Merge branch 'master' of https://github.com/RT-Thread/rt-thread into develop_one

.github/workflows/file_check.yml

@@ -0,0 +1,20 @@
+name: Check File Format and License
+
+on: [pull_request]
+
+jobs:
+  scancode_job:
+    runs-on: ubuntu-latest
+    name: Scan code format and license
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@master
+        with:
+          python-version: 3.8
+      
+      - name: Check Format and License
+        shell: bash
+        run: |
+          pip install click chardet
+          python tools/file_check.py check 'https://github.com/RT-Thread/rt-thread' 'master'

bsp/amebaz/applications/main.c

@@ -1,11 +1,7 @@
 /*
- * File      : startup.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/amebaz/applications/smartconfig_app.c

@@ -1,21 +1,7 @@
 /*
- * File      : smartconfig_demo.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/amebaz/drivers/board.c

@@ -1,11 +1,7 @@
 /*
- * File      : board.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009 RT-Thread Develop Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -44,7 +40,7 @@ void __wrap_rtl_printf(const char *fmt, ...)
      * length. */
     length = rt_vsnprintf(rt_log_buf, sizeof(rt_log_buf) - 1, fmt, args);
     if (length > RT_CONSOLEBUF_SIZE - 1)
-        length = RT_CONSOLEBUF_SIZE - 1;    
+        length = RT_CONSOLEBUF_SIZE - 1;
     rt_kprintf("%s", rt_log_buf);
     va_end(args);
 }
@@ -89,11 +85,11 @@ void rt_hw_board_init(void)
 #ifdef RT_USING_HEAP
         rt_system_heap_init((void*)HEAP_BEGIN, (void*)HEAP_END);
 #endif
-    
+
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
 #endif
-    
+
 #ifdef RT_USING_CONSOLE
     rt_hw_uart_init();
     rt_console_set_device(RT_CONSOLE_DEVICE_NAME);

bsp/amebaz/drivers/board.h

@@ -1,11 +1,7 @@
 /*
- * File      : board.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2009, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/amebaz/drivers/drv_uart.c

@@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -125,7 +111,7 @@ static int ameba_uart_getc (struct rt_serial_device *serial)
 {
     struct device_uart* uart = serial->parent.user_data;
 
-	if(!serial_readable(&uart->serial))
+    if(!serial_readable(&uart->serial))
         return -1;
 
     /* Receive Data Available */
@@ -140,13 +126,13 @@ static rt_size_t ameba_uart_dma_transmit (struct rt_serial_device *serial, rt_ui
 static void ameba_uart_irq(uint32_t id, SerialIrq event)
 {
     struct rt_serial_device *serial = (struct rt_serial_device *)id;
-	if(event == RxIrq)
+    if(event == RxIrq)
     {
         rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
-	}
-	else if(event == TxIrq)
+    }
+    else if(event == TxIrq)
     {
-	}
+    }
 }
 
 static rt_err_t dbg_configure(struct rt_serial_device *serial, struct serial_configure *cfg);
@@ -155,7 +141,7 @@ static int dbg_putc(struct rt_serial_device *serial, char c);
 static int dbg_getc(struct rt_serial_device *serial);
 
 static struct rt_serial_device ameba_dbg_serial;
-const struct rt_uart_ops _ambed_dbg_ops = 
+const struct rt_uart_ops _ambed_dbg_ops =
 {
     dbg_configure,
     dbg_control,
@@ -177,7 +163,7 @@ void dbg_uart_irq_handler(void * data)
     DiagSetIsrEnReg(0);
 
     rt_hw_serial_isr(&ameba_dbg_serial, RT_SERIAL_EVENT_RX_IND);
-    
+
     DiagSetIsrEnReg(IrqEn);
 }
 
@@ -192,9 +178,9 @@ static rt_err_t dbg_control(struct rt_serial_device *serial, int cmd, void *arg)
 
     case RT_DEVICE_CTRL_SET_INT:
         /* install interrupt */
-    	DIAG_UartReInit((IRQ_FUN) dbg_uart_irq_handler);
+        DIAG_UartReInit((IRQ_FUN) dbg_uart_irq_handler);
         /* Enable the UART Interrupt */
-    	NVIC_SetPriority(UART_LOG_IRQ, 10); /* this is rom_code_patch */
+        NVIC_SetPriority(UART_LOG_IRQ, 10); /* this is rom_code_patch */
         break;
     }
 
@@ -214,12 +200,12 @@ static int dbg_getc(struct rt_serial_device *serial)
 
     if(!UART_Readable(UART2_DEV))
         return -1;
-    
+
     c = DiagGetChar(_FALSE);
 
     return c;
 }
- 
+
 /*
  * UART Initiation
  */
@@ -231,7 +217,7 @@ int rt_hw_uart_init(void)
 #ifdef BSP_USING_UART0
     {
         struct device_uart      *uart;
-        
+
         serial  = &serial0;
         uart    = &uart0;
 
@@ -256,7 +242,7 @@ int rt_hw_uart_init(void)
 
         serial->ops = &_ambed_dbg_ops;
         serial->config = config;
-        
+
         rt_hw_serial_register(serial,
                               RT_CONSOLE_DEVICE_NAME,
                               RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,

bsp/amebaz/drivers/drv_uart.h

@@ -1,21 +1,7 @@
 /*
- * File      : drv_uart.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes

bsp/amebaz/drivers/wlan/drv_wifi.c

@@ -1,21 +1,7 @@
 /*
- * File      : drv_wifi.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -115,7 +101,7 @@ void netif_pre_sleep_processing(void)
 }
 
 unsigned char *rltk_wlan_get_ip(int idx)
-{   
+{
     struct ameba_wifi *wifi;
 
     wifi = rthw_wifi_get_dev(idx);
@@ -130,7 +116,7 @@ unsigned char *rltk_wlan_get_ip(int idx)
 
 int netif_is_valid_IP(int idx, unsigned char *ip_dest)
 {
-    LOG_D("F:%s L:%d is run ip: %d:%d:%d:%d", __FUNCTION__, __LINE__, 
+    LOG_D("F:%s L:%d is run ip: %d:%d:%d:%d", __FUNCTION__, __LINE__,
         ip_dest[0], ip_dest[1], ip_dest[2], ip_dest[3]);
     return 1;
 }
@@ -376,9 +362,9 @@ static rt_err_t rthw_wlan_join                 (struct rt_wlan_device *wlan, str
             ssid = &sta_info->ssid.val[0];
         if (sta_info->key.len > 0)
             key = &sta_info->key.val[0];
-            LOG_D("bssid connect bssid: %02x:%02x:%02x:%02x:%02x:%02x ssid:%s ssid_len:%d key:%s key_len%d", 
+            LOG_D("bssid connect bssid: %02x:%02x:%02x:%02x:%02x:%02x ssid:%s ssid_len:%d key:%s key_len%d",
             sta_info->bssid[0],sta_info->bssid[1],sta_info->bssid[2],sta_info->bssid[3],sta_info->bssid[4],sta_info->bssid[5],
-            ssid, 
+            ssid,
             sta_info->ssid.len,
             key,
             sta_info->key.len
@@ -608,7 +594,7 @@ exit:
     return RT_EOK;
 }
 
-static const struct rt_wlan_dev_ops ops = 
+static const struct rt_wlan_dev_ops ops =
 {
     .wlan_init             =     rthw_wlan_init           ,
     .wlan_mode             =     rthw_wlan_mode           ,

bsp/amebaz/drivers/wlan/drv_wifi.h

@@ -1,27 +1,13 @@
 /*
- * File      : drv_wifi.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
  * 2017-5-30      Bernard      the first version
  */
- 
+
 #ifndef __DRV_WIFI_H__
 #define __DRV_WIFI_H__
 

bsp/amebaz/drivers/wlan/drv_wlan.c

@@ -1,21 +1,7 @@
 /*
- * File      : drv_wlan.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -151,20 +137,20 @@ int rthw_wifi_ap_start(char *ssid, char *password, int channel)
         return -1;
     }
 
-    while(1) 
+    while(1)
     {
         char essid[33];
         if(wext_get_ssid(name, (unsigned char *) essid) > 0)
         {
-            if(strcmp((const char *) essid, (const char *)ssid) == 0) 
+            if(strcmp((const char *) essid, (const char *)ssid) == 0)
             {
                 rt_kprintf("%s started\n", ssid);
                 break;
             }
         }
-        if(timeout == 0) 
+        if(timeout == 0)
         {
-            rt_kprintf("Start AP timeout\n");   
+            rt_kprintf("Start AP timeout\n");
             return -1;
         }
         rt_thread_delay(1 * RT_TICK_PER_SECOND);
@@ -183,7 +169,7 @@ static int rthw_wifi_disconnect(char *name)
     if (name == RT_NULL)
         return -1;
 
-    if (wext_get_ssid(name, (unsigned char *) essid) < 0) 
+    if (wext_get_ssid(name, (unsigned char *) essid) < 0)
     {
         rt_kprintf("\nWIFI disconnected!\n");
         return -1;
@@ -203,7 +189,7 @@ static int rthw_wifi_disconnect(char *name)
             break;
         }
 
-        if(timeout == 0) 
+        if(timeout == 0)
         {
             rt_kprintf("ERROR: Deassoc timeout!\n");
             return -1;
@@ -259,7 +245,7 @@ int rthw_wifi_ap_disconnect(void)
 
 int rthw_wifi_rssi_get(void)
 {
-    int rssi = 0;   
+    int rssi = 0;
     wifi_get_rssi(&rssi);
     return rssi;
 }

bsp/amebaz/drivers/wlan/drv_wlan.h

@@ -1,21 +1,7 @@
 /*
- * File      : drv_wlan.h
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2017, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes
@@ -25,14 +11,14 @@
 #ifndef __DRV_WLAN_H__
 #define __DRV_WLAN_H__
 
-typedef enum 
+typedef enum
 {
-	RTHW_MODE_NONE = 0,
-	RTHW_MODE_STA,
-	RTHW_MODE_AP,
-	RTHW_MODE_STA_AP,
-	RTHW_MODE_PROMISC,
-	RTHW_MODE_P2P
+    RTHW_MODE_NONE = 0,
+    RTHW_MODE_STA,
+    RTHW_MODE_AP,
+    RTHW_MODE_STA_AP,
+    RTHW_MODE_PROMISC,
+    RTHW_MODE_P2P
 }rthw_mode_t;
 
 #define SHARED_ENABLED  0x00008000
@@ -66,7 +52,7 @@ typedef enum {
 typedef enum {
     RTHW_WIFI_EVENT_CONNECT = 0,
     RTHW_WIFI_EVENT_DISCONNECT = 1,
-    RTHW_WIFI_EVENT_FOURWAY_HANDSHAKE_DONE = 2,	
+    RTHW_WIFI_EVENT_FOURWAY_HANDSHAKE_DONE = 2,
     RTHW_WIFI_EVENT_SCAN_RESULT_REPORT = 3,
     RTHW_WIFI_EVENT_SCAN_DONE = 4,
     RTHW_WIFI_EVENT_RECONNECTION_FAIL = 5,

bsp/at32/Libraries/rt_drivers/drv_adc.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -17,7 +17,7 @@
 #include <drv_log.h>
 
 struct at32_adc
-{  
+{
     struct rt_adc_device at32_adc_device;
     ADC_Type *ADC_Handler;
     char *name;
@@ -109,9 +109,9 @@ static rt_err_t at32_adc_enabled(struct rt_adc_device *device, rt_uint32_t chann
     ADC_InitType ADC_InitStructure;
     RT_ASSERT(device != RT_NULL);
     at32_adc_handler = device->parent.user_data;
-  
+
     at32_msp_adc_init(at32_adc_handler);
-  
+
     /* ADCx configuration ------------------------------------------------------*/
     ADC_StructInit(&ADC_InitStructure);
     ADC_InitStructure.ADC_Mode              = ADC_Mode_Independent;
@@ -121,14 +121,14 @@ static rt_err_t at32_adc_enabled(struct rt_adc_device *device, rt_uint32_t chann
     ADC_InitStructure.ADC_DataAlign         = ADC_DataAlign_Right;
     ADC_InitStructure.ADC_NumOfChannel      = 1;
     ADC_Init(at32_adc_handler, &ADC_InitStructure);
-  
-    /* ADCx regular channels configuration */ 
-    ADC_RegularChannelConfig(at32_adc_handler, at32_adc_get_channel(channel), 1, ADC_SampleTime_28_5); 
-    
+
+    /* ADCx regular channels configuration */
+    ADC_RegularChannelConfig(at32_adc_handler, at32_adc_get_channel(channel), 1, ADC_SampleTime_28_5);
+
     /* Enable ADCx */
     ADC_Ctrl(at32_adc_handler, ENABLE);
-  
-    /* Enable ADCx reset calibration register */   
+
+    /* Enable ADCx reset calibration register */
     ADC_RstCalibration(at32_adc_handler);
     /* Check the end of ADCx reset calibration register */
     while(ADC_GetResetCalibrationStatus(at32_adc_handler));
@@ -161,7 +161,7 @@ static rt_err_t at32_get_adc_value(struct rt_adc_device *device, rt_uint32_t cha
 
     at32_adc_handler = device->parent.user_data;
 
-    /* Start ADCx Software Conversion */ 
+    /* Start ADCx Software Conversion */
     ADC_SoftwareStartConvCtrl(at32_adc_handler, ENABLE);
 
     /* Wait for the ADC to convert */

bsp/at32/Libraries/rt_drivers/drv_adc.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -19,32 +19,32 @@ extern "C" {
 #endif
 
 #if defined(BSP_USING_ADC1) || defined(BSP_USING_ADC2) || defined(BSP_USING_ADC3)
-  
+
 #ifndef ADC1_CONFIG
 #define ADC1_CONFIG                 \
     {                              \
        .ADC_Handler = ADC1,        \
        .name        = "adc1",      \
-    }  
+    }
 #endif /* ADC1_CONFIG */
-    
+
 #ifndef ADC2_CONFIG
 #define ADC2_CONFIG                \
     {                              \
        .ADC_Handler = ADC2,        \
        .name        = "adc2",      \
-    }  
+    }
 #endif /* ADC2_CONFIG */
-    
+
 #ifndef ADC3_CONFIG
 #define ADC3_CONFIG                \
     {                              \
        .ADC_Handler = ADC3,        \
        .name        = "adc3",      \
-    }  
-#endif /* ADC3_CONFIG */    
-    
-#endif  
+    }
+#endif /* ADC3_CONFIG */
+
+#endif
 
 
 #ifdef __cplusplus

bsp/at32/Libraries/rt_drivers/drv_can.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -311,8 +311,8 @@ static rt_err_t _can_control(struct rt_can_device *can, int cmd, void *arg)
             {
                 can_instance->CanConfig.FilterConfig.CAN_FilterNumber = filter_cfg->items[i].hdr & (0x1fU);
                 can_instance->CanConfig.FilterConfig.CAN_FilterIdHigh = (filter_cfg->items[i].id >> 13) & 0xFFFF;
-                can_instance->CanConfig.FilterConfig.CAN_FilterIdLow = ((filter_cfg->items[i].id << 3) | 
-                                                    (filter_cfg->items[i].ide << 2) | 
+                can_instance->CanConfig.FilterConfig.CAN_FilterIdLow = ((filter_cfg->items[i].id << 3) |
+                                                    (filter_cfg->items[i].ide << 2) |
                                                     (filter_cfg->items[i].rtr << 1)) & 0xFFFF;
                 can_instance->CanConfig.FilterConfig.CAN_FilterMskIdHigh = (filter_cfg->items[i].mask >> 16) & 0xFFFF;
                 can_instance->CanConfig.FilterConfig.CAN_FilterMskIdLow = filter_cfg->items[i].mask & 0xFFFF;
@@ -499,7 +499,7 @@ static int _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
     else
         pmsg->ide = RxMessage.ExtId;
     pmsg->rtr = RxMessage.RTR;
-    
+
     return RT_EOK;
 }
 

bsp/at32/Libraries/rt_drivers/drv_can.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -22,7 +22,7 @@ extern "C" {
 #define CAN_TX_MAILBOX0             (0x00000001U)  /*!< Tx Mailbox 0  */
 #define CAN_TX_MAILBOX1             (0x00000002U)  /*!< Tx Mailbox 1  */
 #define CAN_TX_MAILBOX2             (0x00000004U)  /*!< Tx Mailbox 2  */
-  
+
 struct at32_baud_rate_tab
 {
     rt_uint32_t baud_rate;

bsp/at32/Libraries/rt_drivers/drv_eth.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -28,8 +28,8 @@
 //#define DRV_DEBUG
 #define LOG_TAG             "drv.emac"
 
-#define ETH_RXBUFNB        	4
-#define ETH_TXBUFNB        	2
+#define ETH_RXBUFNB         4
+#define ETH_TXBUFNB         2
 
 #define LINK_THREAD_STACK_SIZE   256
 #define LINK_THREAD_PREORITY     21
@@ -131,14 +131,14 @@ void NVIC_Configuration(void)
     NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);
 
     /* 2 bit for pre-emption priority, 2 bits for subpriority */
-    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); 
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
 
     /* Enable the Ethernet global Interrupt */
     NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn;
     NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
     NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
     NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
-    NVIC_Init(&NVIC_InitStructure);  
+    NVIC_Init(&NVIC_InitStructure);
 }
 
 /**
@@ -173,7 +173,7 @@ void GPIO_Configuration(void)
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
     GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-	/*MII Mode GPIO configuration*/
+    /*MII Mode GPIO configuration*/
 #ifdef MII_MODE
 /**********************MII Tx Pin Define****************************/
     /*
@@ -193,7 +193,7 @@ void GPIO_Configuration(void)
     GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
     GPIO_Init(GPIOC, &GPIO_InitStructure);
-	/**********************MII Rx Pin Define****************************/
+    /**********************MII Rx Pin Define****************************/
 #if MII_RX_REMAP  /*IO PIN remaped*/
     /*
     ETH_MII_RX_DV-->PD8
@@ -208,7 +208,7 @@ void GPIO_Configuration(void)
     */
     GPIO_InitStructure.GPIO_Pins = GPIO_Pins_8 | GPIO_Pins_9 | GPIO_Pins_10 | GPIO_Pins_11 | GPIO_Pins_12;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-    GPIO_Init(GPIOD, &GPIO_InitStructure); 
+    GPIO_Init(GPIOD, &GPIO_InitStructure);
 
     GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_3;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
@@ -233,11 +233,11 @@ void GPIO_Configuration(void)
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
     GPIO_Init(GPIOA, &GPIO_InitStructure);
 
-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;   
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
     GPIO_Init(GPIOC, &GPIO_InitStructure);
 
-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_10;  
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_10;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
     GPIO_Init(GPIOB, &GPIO_InitStructure);
 
@@ -255,8 +255,8 @@ void GPIO_Configuration(void)
     GPIO_InitStructure.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
     GPIO_Init(GPIOB, &GPIO_InitStructure);
-	
-	/**********************RMII Rx Pin Define****************************/
+
+    /**********************RMII Rx Pin Define****************************/
 #if MII_RX_REMAP  /*IO PIN remaped*/
     /*
     ETH_RMII_RX_DV-->PD8
@@ -266,7 +266,7 @@ void GPIO_Configuration(void)
     */
     GPIO_InitStructure.GPIO_Pins = GPIO_Pins_8 | GPIO_Pins_9 | GPIO_Pins_10;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
-    GPIO_Init(GPIOD, &GPIO_InitStructure); 
+    GPIO_Init(GPIOD, &GPIO_InitStructure);
 
     GPIO_InitStructure.GPIO_Pins =  GPIO_Pins_1;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
@@ -282,7 +282,7 @@ void GPIO_Configuration(void)
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
     GPIO_Init(GPIOA, &GPIO_InitStructure);
 
-    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;   
+    GPIO_InitStructure.GPIO_Pins = GPIO_Pins_4 | GPIO_Pins_5;
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
     GPIO_Init(GPIOC, &GPIO_InitStructure);
 
@@ -314,7 +314,7 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)
 
     RCC_AHBPeriphClockCmd(RCC_AHBPERIPH_ETHMAC | RCC_AHBPERIPH_ETHMACTX |
                           RCC_AHBPERIPH_ETHMACRX, ENABLE);
-    
+
     /* MII/RMII Media interface selection ------------------------------------------*/
 #ifdef MII_MODE /* Mode MII with AT32F407-EVAL  */
     GPIO_ETH_MediaInterfaceConfig(GPIO_ETH_MediaInterface_MII);
@@ -361,31 +361,31 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)
     ETH_InitStructure.ETH_ChecksumOffload = ETH_ChecksumOffload_Enable;
 #endif
 
-    /*------------------------   DMA   -----------------------------------*/  
+    /*------------------------   DMA   -----------------------------------*/
 
-    /* When we use the Checksum offload feature, we need to enable the Store and Forward mode: 
-    the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum, 
+    /* When we use the Checksum offload feature, we need to enable the Store and Forward mode:
+    the store and forward guarantee that a whole frame is stored in the FIFO, so the MAC can insert/verify the checksum,
     if the checksum is OK the DMA can handle the frame otherwise the frame is dropped */
-    ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable;//ETH_DropTCPIPChecksumErrorFrame_Enable; 
-    ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;         
-    ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;     
+    ETH_InitStructure.ETH_DropTCPIPChecksumErrorFrame = ETH_DropTCPIPChecksumErrorFrame_Enable;//ETH_DropTCPIPChecksumErrorFrame_Enable;
+    ETH_InitStructure.ETH_ReceiveStoreForward = ETH_ReceiveStoreForward_Enable;
+    ETH_InitStructure.ETH_TransmitStoreForward = ETH_TransmitStoreForward_Enable;
 
-    ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable;       
-    ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable;   
-    ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;                                                          
-    ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;      
-    ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;                
-    ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;          
-    ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;                                                                 
+    ETH_InitStructure.ETH_ForwardErrorFrames = ETH_ForwardErrorFrames_Disable;
+    ETH_InitStructure.ETH_ForwardUndersizedGoodFrames = ETH_ForwardUndersizedGoodFrames_Disable;
+    ETH_InitStructure.ETH_SecondFrameOperate = ETH_SecondFrameOperate_Enable;
+    ETH_InitStructure.ETH_AddressAlignedBeats = ETH_AddressAlignedBeats_Enable;
+    ETH_InitStructure.ETH_FixedBurst = ETH_FixedBurst_Enable;
+    ETH_InitStructure.ETH_RxDMABurstLength = ETH_RxDMABurstLength_32Beat;
+    ETH_InitStructure.ETH_TxDMABurstLength = ETH_TxDMABurstLength_32Beat;
     ETH_InitStructure.ETH_DMAArbitration = ETH_DMAArbitration_RoundRobin_RxTx_2_1;
 
     /* Configure Ethernet, check error */
     if(ETH_Init(&ETH_InitStructure, PHY_ADDRESS) == ((uint32_t)0)) {
         return RT_ERROR;
-    }    
+    }
 
     /* Enable DMA Receive interrupt (need to enable in this case Normal interrupt) */
-    ETH_DMAITConfig(ETH_DMA_INT_NIS | ETH_DMA_INT_R, ENABLE);  
+    ETH_DMAITConfig(ETH_DMA_INT_NIS | ETH_DMA_INT_R, ENABLE);
 
     /* Initialize Tx Descriptors list: Chain Mode */
     ETH_DMATxDescChainInit(DMATxDscrTab, &Tx_Buff[0][0], ETH_TXBUFNB);
@@ -396,7 +396,7 @@ static rt_err_t rt_at32_eth_init(rt_device_t dev)
     ETH_MACAddressConfig(ETH_MAC_Address0, (u8*)&at32_eth_device.dev_addr[0]);
 
     /* Enable ETH transmition and recetion */
-    ETH_Start();    
+    ETH_Start();
 
     return RT_EOK;
 }
@@ -581,7 +581,7 @@ struct pbuf *rt_at32_eth_rx(rt_device_t dev)
             {
                 rt_uint32_t i;
                 rt_uint8_t *ptr = (rt_uint8_t*)(DMARxDescToGet->Buffer1Addr);
-                
+
                 AT32_ETH_PRINTF("rx_dump, len:%d\r\n", p->tot_len);
                 for(i=0; i<p->tot_len; i++)
                 {

bsp/at32/Libraries/rt_drivers/drv_eth.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_flash.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -160,14 +160,14 @@ int at32_flash_erase(rt_uint32_t addr, size_t size)
         addr += FLASH_PAGE_SIZE;
     }
 
-		FLASH_Lock();
-		
-__exit:    
+        FLASH_Lock();
+
+__exit:
     if(result != RT_EOK)
     {
         return result;
     }
-    
+
     return size;
 }
 
@@ -177,7 +177,7 @@ static int fal_flash_read(long offset, rt_uint8_t *buf, size_t size);
 static int fal_flash_write(long offset, const rt_uint8_t *buf, size_t size);
 static int fal_flash_erase(long offset, size_t size);
 
-const struct fal_flash_dev at32_onchip_flash = 
+const struct fal_flash_dev at32_onchip_flash =
 {
     "onchip_flash",
     AT32_FLASH_START_ADRESS,

bsp/at32/Libraries/rt_drivers/drv_flash.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_gpio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -13,7 +13,7 @@
 
 #ifdef RT_USING_PIN
 
-static const struct pin_index pins[] = 
+static const struct pin_index pins[] =
 {
 #if defined(GPIOA)
     __AT32_PIN(0 ,  A, 0 ),
@@ -414,7 +414,7 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         /* Configure GPIO_InitStructure */
         GPIO_StructInit(&GPIO_InitStruct);
         EXTI_StructInit(&EXTI_InitStruct);
-        GPIO_InitStruct.GPIO_Pins = irqmap->pinbit;        
+        GPIO_InitStruct.GPIO_Pins = irqmap->pinbit;
         GPIO_InitStruct.GPIO_MaxSpeed = GPIO_MaxSpeed_50MHz;
         EXTI_InitStruct.EXTI_Line = irqmap->pinbit;
         EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
@@ -462,24 +462,24 @@ static rt_err_t at32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         if (( irqmap->pinbit>=GPIO_Pins_5 )&&( irqmap->pinbit<=GPIO_Pins_9 ))
         {
             if(!(pin_irq_enable_mask&(GPIO_Pins_5|GPIO_Pins_6|GPIO_Pins_7|GPIO_Pins_8|GPIO_Pins_9)))
-            {    
+            {
                 NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
             }
         }
         else if (( irqmap->pinbit>=GPIO_Pins_10 )&&( irqmap->pinbit<=GPIO_Pins_15 ))
         {
             if(!(pin_irq_enable_mask&(GPIO_Pins_10|GPIO_Pins_11|GPIO_Pins_12|GPIO_Pins_13|GPIO_Pins_14|GPIO_Pins_15)))
-            {    
+            {
                 NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
             }
         }
         else
         {
             NVIC_InitStruct.NVIC_IRQChannel = irqmap->irqno;
-        }        
+        }
 
         NVIC_Init(&NVIC_InitStruct);
-        rt_hw_interrupt_enable(level);  
+        rt_hw_interrupt_enable(level);
     }
     else
     {

bsp/at32/Libraries/rt_drivers/drv_gpio.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_hwtimer.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -26,7 +26,7 @@ extern "C" {
         .maxcnt  = 0xFFFF,                      \
         .cntmode = HWTIMER_CNTMODE_UP,          \
     }
-#endif /* TIM_DEV_INFO_CONFIG */  
+#endif /* TIM_DEV_INFO_CONFIG */
 
 #ifdef BSP_USING_HWTMR2
 #ifndef TMR2_CONFIG
@@ -36,9 +36,9 @@ extern "C" {
        .tim_irqn      = TMR2_GLOBAL_IRQn, \
        .name          = "timer2",     \
     }
-#endif /* TMR2_CONFIG */  
-#endif /* BSP_USING_HWTMR2 */ 
-  
+#endif /* TMR2_CONFIG */
+#endif /* BSP_USING_HWTMR2 */
+
 #ifdef BSP_USING_HWTMR3
 #ifndef TMR3_CONFIG
 #define TMR3_CONFIG                   \
@@ -47,8 +47,8 @@ extern "C" {
        .tim_irqn      = TMR3_GLOBAL_IRQn, \
        .name          = "timer3",     \
     }
-#endif /* TMR3_CONFIG */  
-#endif /* BSP_USING_HWTMR3 */  
+#endif /* TMR3_CONFIG */
+#endif /* BSP_USING_HWTMR3 */
 
 #ifdef BSP_USING_HWTMR4
 #ifndef TMR4_CONFIG
@@ -58,9 +58,9 @@ extern "C" {
        .tim_irqn      = TMR4_GLOBAL_IRQn, \
        .name          = "timer4",     \
     }
-#endif /* TMR4_CONFIG */  
+#endif /* TMR4_CONFIG */
 #endif /* BSP_USING_HWTMR4 */
-    
+
 #ifdef BSP_USING_HWTMR5
 #ifndef TMR5_CONFIG
 #define TMR5_CONFIG                   \
@@ -69,9 +69,9 @@ extern "C" {
        .tim_irqn      = TMR5_GLOBAL_IRQn, \
        .name          = "timer5",     \
     }
-#endif /* TMR5_CONFIG */  
-#endif /* BSP_USING_HWTMR5 */    
-    
+#endif /* TMR5_CONFIG */
+#endif /* BSP_USING_HWTMR5 */
+
 #ifdef __cplusplus
 }
 #endif

bsp/at32/Libraries/rt_drivers/drv_log.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_pwm.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -37,52 +37,52 @@ struct at32_pwm
     char *name;
 };
 
-static struct at32_pwm at32_pwm_obj[] = 
+static struct at32_pwm at32_pwm_obj[] =
 {
   #ifdef BSP_USING_TMR1_CH1
     PWM1_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR1_CH2
     PWM2_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR1_CH3
     PWM3_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR1_CH4
     PWM4_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR2_CH1
     PWM5_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR2_CH2
     PWM6_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR2_CH3
     PWM7_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR2_CH4
     PWM8_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR3_CH1
     PWM9_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR3_CH2
     PWM10_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR3_CH3
     PWM11_CONFIG,
   #endif
-  
+
   #ifdef BSP_USING_TMR3_CH4
     PWM12_CONFIG,
   #endif
@@ -97,7 +97,7 @@ static struct rt_pwm_ops drv_ops =
 static rt_err_t drv_pwm_enable(TMR_Type* TMRx, struct rt_pwm_configuration *configuration, rt_bool_t enable)
 {
     /* Get the value of channel */
-    rt_uint32_t channel = configuration->channel;   
+    rt_uint32_t channel = configuration->channel;
 
     if (!enable)
     {
@@ -137,7 +137,7 @@ static rt_err_t drv_pwm_enable(TMR_Type* TMRx, struct rt_pwm_configuration *conf
           TMR_CCxCmd(TMRx, TMR_Channel_1, TMR_CCx_Enable);
         }
     }
-    
+
     /* TMRx enable counter */
     TMR_Cmd(TMRx, ENABLE);
 
@@ -173,7 +173,7 @@ static rt_err_t drv_pwm_get(TMR_Type* TMRx, struct rt_pwm_configuration *configu
       configuration->pulse = (cc3 + 1) * (div + 1) * 1000UL / tim_clock;
     if(channel == 4)
       configuration->pulse = (cc4 + 1) * (div + 1) * 1000UL / tim_clock;
-       
+
     return RT_EOK;
 }
 
@@ -185,15 +185,15 @@ static rt_err_t drv_pwm_set(TMR_Type* TMRx, struct rt_pwm_configuration *configu
     rt_uint64_t psc;
     /* Get the channel number */
     rt_uint32_t channel = configuration->channel;
-    
+
     /* Init timer pin and enable clock */
     at32_msp_tmr_init(TMRx);
-  
+
     /* Convert nanosecond to frequency and duty cycle. */
     period = (unsigned long long)configuration->period ;
     psc = period / MAX_PERIOD + 1;
     period = period / psc;
-  
+
     /* TMRe base configuration */
     TMR_TimeBaseStructInit(&TMR_TMReBaseStructure);
     TMR_TMReBaseStructure.TMR_Period = period;
@@ -204,14 +204,14 @@ static rt_err_t drv_pwm_set(TMR_Type* TMRx, struct rt_pwm_configuration *configu
     TMR_TimeBaseInit(TMRx, &TMR_TMReBaseStructure);
 
     pulse = (unsigned long long)configuration->pulse;
-    
+
     /* PWM1 Mode configuration: Channel1 */
     TMR_OCStructInit(&TMR_OCInitStructure);
     TMR_OCInitStructure.TMR_OCMode = TMR_OCMode_PWM1;
     TMR_OCInitStructure.TMR_OutputState = TMR_OutputState_Enable;
     TMR_OCInitStructure.TMR_Pulse = pulse;
     TMR_OCInitStructure.TMR_OCPolarity = TMR_OCPolarity_High;
-    
+
     if(channel == 1)
     {
       TMR_OC1Init(TMRx, &TMR_OCInitStructure);
@@ -232,7 +232,7 @@ static rt_err_t drv_pwm_set(TMR_Type* TMRx, struct rt_pwm_configuration *configu
       TMR_OC4Init(TMRx, &TMR_OCInitStructure);
       TMR_OC4PreloadConfig(TMRx, TMR_OCPreload_Enable);
     }
-    
+
     TMR_ARPreloadConfig(TMRx, ENABLE);
 
 #if defined (SOC_SERIES_AT32F415)
@@ -271,7 +271,7 @@ static int rt_hw_pwm_init(void)
 {
     int i = 0;
     int result = RT_EOK;
- 
+
     for(i = 0; i < sizeof(at32_pwm_obj) / sizeof(at32_pwm_obj[0]); i++)
     {
         if(rt_device_pwm_register(&at32_pwm_obj[i].pwm_device, at32_pwm_obj[i].name, &drv_ops, at32_pwm_obj[i].tim_handle) == RT_EOK)
@@ -280,9 +280,9 @@ static int rt_hw_pwm_init(void)
         }
         else
         {
-          LOG_D("%s register failed", at32_pwm_obj[i].name); 
-          result = -RT_ERROR; 
-        }            
+          LOG_D("%s register failed", at32_pwm_obj[i].name);
+          result = -RT_ERROR;
+        }
     }
 
     return result;

bsp/at32/Libraries/rt_drivers/drv_pwm.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -28,7 +28,7 @@ extern "C" {
   }
 #endif /* PWM1_CONFIG */
 #endif /* BSP_USING_TMR1_CH1 */
-  
+
 #ifdef BSP_USING_TMR1_CH2
 #ifndef PWM2_CONFIG
 #define PWM2_CONFIG              \
@@ -72,7 +72,7 @@ extern "C" {
   }
 #endif /* PWM5_CONFIG */
 #endif /* BSP_USING_TMR2_CH1 */
-  
+
 #ifdef BSP_USING_TMR2_CH2
 #ifndef PWM6_CONFIG
 #define PWM6_CONFIG              \
@@ -82,8 +82,8 @@ extern "C" {
     .channel      = 2            \
   }
 #endif /* PWM6_CONFIG */
-#endif /* BSP_USING_TMR2_CH2 */  
-  
+#endif /* BSP_USING_TMR2_CH2 */
+
 #ifdef BSP_USING_TMR2_CH3
 #ifndef PWM7_CONFIG
 #define PWM7_CONFIG              \
@@ -93,7 +93,7 @@ extern "C" {
     .channel      = 3            \
   }
 #endif /* PWM7_CONFIG */
-#endif /* BSP_USING_TMR2_CH3 */  
+#endif /* BSP_USING_TMR2_CH3 */
 
 #ifdef BSP_USING_TMR2_CH4
 #ifndef PWM8_CONFIG
@@ -115,7 +115,7 @@ extern "C" {
     .channel      = 1            \
   }
 #endif /* PWM9_CONFIG */
-#endif /* BSP_USING_TMR3_CH1 */   
+#endif /* BSP_USING_TMR3_CH1 */
 
 #ifdef BSP_USING_TMR3_CH2
 #ifndef PWM10_CONFIG
@@ -149,7 +149,7 @@ extern "C" {
   }
 #endif /* PWM12_CONFIG */
 #endif /* BSP_USING_TMR3_CH4 */
-  
+
 #ifdef __cplusplus
 }
 #endif

bsp/at32/Libraries/rt_drivers/drv_rtc.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -79,10 +79,10 @@ static rt_err_t set_rtc_time_stamp(time_t time_stamp)
         return -RT_ERROR;
     }
 #else
-	/* Set the RTC counter value */
-	RTC_SetCounter(time_stamp);
-	/* Wait until last write operation on RTC registers has finished */
-	RTC_WaitForLastTask();
+    /* Set the RTC counter value */
+    RTC_SetCounter(time_stamp);
+    /* Wait until last write operation on RTC registers has finished */
+    RTC_WaitForLastTask();
 #endif /* SOC_SERIES_AT32F415 */
     LOG_D("set rtc time.");
 #ifdef SOC_SERIES_AT32F415
@@ -117,7 +117,7 @@ static rt_err_t rt_rtc_config(struct rt_device *dev)
     ERTC_InitType ERTC_InitStructure;
 #endif
     /* Allow access to BKP Domain */
-    PWR_BackupAccessCtrl(ENABLE); 
+    PWR_BackupAccessCtrl(ENABLE);
 
 #ifdef SOC_SERIES_AT32F415
   #ifdef BSP_RTC_USING_LSI
@@ -148,7 +148,7 @@ static rt_err_t rt_rtc_config(struct rt_device *dev)
 #else
     if (BKP_ReadBackupReg(BKP_DT1) != BKUP_REG_DATA)
 #endif
-  	{
+    {
         LOG_I("RTC hasn't been configured, please use <date> command to config.");
 #ifdef SOC_SERIES_AT32F415
         /* Configure the ERTC data register and ERTC prescaler */

bsp/at32/Libraries/rt_drivers/drv_sdio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_sdio.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_soft_i2c.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -205,10 +205,10 @@ int rt_hw_i2c_init(void)
         result = rt_i2c_bit_add_bus(&i2c_obj[i].i2c_bus, soft_i2c_config[i].bus_name);
         RT_ASSERT(result == RT_EOK);
         at32_i2c_bus_unlock(&soft_i2c_config[i]);
-        
+
         LOG_D("software simulation %s init done, pin scl: %d, pin sda %d",
-        soft_i2c_config[i].bus_name, 
-        soft_i2c_config[i].scl, 
+        soft_i2c_config[i].bus_name,
+        soft_i2c_config[i].scl,
         soft_i2c_config[i].sda);
     }
 

bsp/at32/Libraries/rt_drivers/drv_soft_i2c.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -37,7 +37,7 @@ struct at32_i2c
         .bus_name = "i2c1",                              \
     }
 #endif
-    
+
 #ifdef BSP_USING_I2C2
 #define i2c_bus_CONFIG                                   \
     {                                                    \
@@ -46,7 +46,7 @@ struct at32_i2c
         .bus_name = "i2c2",                              \
     }
 #endif
-    
+
 #ifdef BSP_USING_I2C3
 #define I2C3_BUS_CONFIG                                  \
     {                                                    \
@@ -55,7 +55,7 @@ struct at32_i2c
         .bus_name = "i2c3",                              \
     }
 #endif
-		
+
 #ifdef BSP_USING_I2C4
 #define I2C4_BUS_CONFIG                                  \
     {                                                    \

bsp/at32/Libraries/rt_drivers/drv_spi.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2020-01-09     shelton      first version
  */
- 
+
 #include <board.h>
 #include "drv_spi.h"
 
@@ -24,7 +24,7 @@
 #ifdef DEBUG
 #define DEBUG_PRINTF(...)   rt_kprintf(__VA_ARGS__)
 #else
-#define DEBUG_PRINTF(...)   
+#define DEBUG_PRINTF(...)
 #endif
 
 /* private rt-thread spi ops function */
@@ -81,13 +81,13 @@ rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name,
 static rt_err_t configure(struct rt_spi_device* device,
                           struct rt_spi_configuration* configuration)
 {
-    struct rt_spi_bus * spi_bus = (struct rt_spi_bus *)device->bus;	
+    struct rt_spi_bus * spi_bus = (struct rt_spi_bus *)device->bus;
     struct at32_spi *spi_instance = (struct at32_spi *)spi_bus->parent.user_data;
-    
+
     SPI_InitType SPI_InitStruct;
 
-	  RT_ASSERT(device != RT_NULL);
-	  RT_ASSERT(configuration != RT_NULL);
+      RT_ASSERT(device != RT_NULL);
+      RT_ASSERT(configuration != RT_NULL);
 
     at32_msp_spi_init(spi_instance->config->spix);
 
@@ -162,7 +162,7 @@ static rt_err_t configure(struct rt_spi_device* device,
             SPI_InitStruct.SPI_MCLKP = SPI_MCLKP_256;
         }
     } /* baudrate */
-    
+
     switch(configuration->mode & RT_SPI_MODE_3)
     {
     case RT_SPI_MODE_0:
@@ -172,11 +172,11 @@ static rt_err_t configure(struct rt_spi_device* device,
     case RT_SPI_MODE_1:
         SPI_InitStruct.SPI_CPHA = SPI_CPHA_2EDGE;
         SPI_InitStruct.SPI_CPOL = SPI_CPOL_LOW;
-        break;        
+        break;
     case RT_SPI_MODE_2:
         SPI_InitStruct.SPI_CPHA = SPI_CPHA_1EDGE;
         SPI_InitStruct.SPI_CPOL = SPI_CPOL_HIGH;
-        break;    
+        break;
     case RT_SPI_MODE_3:
         SPI_InitStruct.SPI_CPHA = SPI_CPHA_2EDGE;
         SPI_InitStruct.SPI_CPOL = SPI_CPOL_HIGH;
@@ -200,7 +200,7 @@ static rt_err_t configure(struct rt_spi_device* device,
     /* init SPI */
     SPI_Init(spi_instance->config->spix, &SPI_InitStruct);
     /* Enable SPI_MASTER */
-	  SPI_Enable(spi_instance->config->spix, ENABLE);
+      SPI_Enable(spi_instance->config->spix, ENABLE);
     SPI_CRCEN(spi_instance->config->spix, DISABLE);
 
     return RT_EOK;
@@ -213,9 +213,9 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
     struct rt_spi_configuration * config = &device->config;
     struct at32_spi_cs * at32_spi_cs = device->parent.user_data;
 
-	  RT_ASSERT(device != NULL);
-	  RT_ASSERT(message != NULL);
-	
+      RT_ASSERT(device != NULL);
+      RT_ASSERT(message != NULL);
+
     /* take CS */
     if(message->cs_take)
     {
@@ -229,7 +229,7 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
             const rt_uint8_t * send_ptr = message->send_buf;
             rt_uint8_t * recv_ptr = message->recv_buf;
             rt_uint32_t size = message->length;
-            
+
             DEBUG_PRINTF("spi poll transfer start: %d\n", size);
 
             while(size--)
@@ -240,12 +240,12 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
                 {
                     data = *send_ptr++;
                 }
-                
+
                 // Todo: replace register read/write by at32 lib
                 //Wait until the transmit buffer is empty
                 while(RESET == SPI_I2S_GetFlagStatus(spi_instance->config->spix, SPI_I2S_FLAG_TE));
                 // Send the byte
-				        SPI_I2S_TxData(spi_instance->config->spix, data);
+                        SPI_I2S_TxData(spi_instance->config->spix, data);
 
                 //Wait until a data is received
                 while(RESET == SPI_I2S_GetFlagStatus(spi_instance->config->spix, SPI_I2S_FLAG_RNE));
@@ -277,7 +277,7 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
                 //Wait until the transmit buffer is empty
                 while(RESET == SPI_I2S_GetFlagStatus(spi_instance->config->spix, SPI_I2S_FLAG_TE));
                 // Send the byte
-				        SPI_I2S_TxData(spi_instance->config->spix, data);
+                        SPI_I2S_TxData(spi_instance->config->spix, data);
 
                 //Wait until a data is received
                 while(RESET == SPI_I2S_GetFlagStatus(spi_instance->config->spix, SPI_I2S_FLAG_RNE));
@@ -295,7 +295,7 @@ static rt_uint32_t xfer(struct rt_spi_device* device, struct rt_spi_message* mes
     /* release CS */
     if(message->cs_release)
     {
-		    GPIO_SetBits(at32_spi_cs->GPIOx, at32_spi_cs->GPIO_Pin);
+            GPIO_SetBits(at32_spi_cs->GPIOx, at32_spi_cs->GPIO_Pin);
         DEBUG_PRINTF("spi release cs\n");
     }
 
@@ -306,7 +306,7 @@ static struct at32_spi_config configs[] = {
 #ifdef BSP_USING_SPI1
     {SPI1, "spi1"},
 #endif
-    
+
 #ifdef BSP_USING_SPI2
     {SPI2, "spi2"},
 #endif

bsp/at32/Libraries/rt_drivers/drv_spi.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_sram.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -38,7 +38,7 @@ static int rt_hw_sram_Init(void)
 
     /* Init XMC pin */
     at32_msp_xmc_init(XMC);
-    
+
     /*-- FSMC Configuration ------------------------------------------------------*/
     p.XMC_AdrOpTime         = 0x04;
     p.XMC_AdrHoldTime       = 0x04;
@@ -53,7 +53,7 @@ static int rt_hw_sram_Init(void)
     XMC_NORSRAMInitStructure.XMC_Dev                    = XMC_Dev_SRAM;
     XMC_NORSRAMInitStructure.XMC_BusType                = XMC_BusType_16b;
     XMC_NORSRAMInitStructure.XMC_EnableBurstMode        = XMC_BurstMode_Disable;
-    XMC_NORSRAMInitStructure.XMC_EnableAsynWait         = XMC_AsynWait_Disable;  
+    XMC_NORSRAMInitStructure.XMC_EnableAsynWait         = XMC_AsynWait_Disable;
     XMC_NORSRAMInitStructure.XMC_WaitSignalLv           = XMC_WaitSignalLv_Low;
     XMC_NORSRAMInitStructure.XMC_EnableBurstModeSplit   = XMC_BurstModeSplit_Disable;
     XMC_NORSRAMInitStructure.XMC_WaitSignalConfig       = XMC_WaitSignalConfig_BeforeWaitState;
@@ -63,9 +63,9 @@ static int rt_hw_sram_Init(void)
     XMC_NORSRAMInitStructure.XMC_WriteBurstSyn          = XMC_WriteBurstSyn_Disable;
     XMC_NORSRAMInitStructure.XMC_RWTimingStruct         = &p;
     XMC_NORSRAMInitStructure.XMC_WTimingStruct          = &p;
-    
-    XMC_NORSRAMInit(&XMC_NORSRAMInitStructure); 
-    
+
+    XMC_NORSRAMInit(&XMC_NORSRAMInitStructure);
+
     /*!< Enable FSMC Bank1_SRAM Bank */
     XMC_NORSRAMCmd(XMC_Bank1_NORSRAM3, ENABLE);
 
@@ -73,7 +73,7 @@ static int rt_hw_sram_Init(void)
         /* If RT_USING_MEMHEAP_AS_HEAP is enabled, SRAM is initialized to the heap */
         rt_memheap_init(&system_heap, "sram", (void *)EXT_SRAM_BEGIN, SRAM_LENGTH);
 #endif
-    
+
     return result;
 }
 INIT_BOARD_EXPORT(rt_hw_sram_Init);
@@ -81,11 +81,11 @@ INIT_BOARD_EXPORT(rt_hw_sram_Init);
 #ifdef DRV_DEBUG
 #ifdef FINSH_USING_MSH
 /**
-  * @brief  Writes a Half-word buffer to the FSMC SRAM memory. 
-  * @param  pBuffer : pointer to buffer. 
-  * @param  WriteAddr : SRAM memory internal address from which the data will be 
+  * @brief  Writes a Half-word buffer to the FSMC SRAM memory.
+  * @param  pBuffer : pointer to buffer.
+  * @param  WriteAddr : SRAM memory internal address from which the data will be
   *         written.
-  * @param  NumHalfwordToWrite : number of half-words to write. 
+  * @param  NumHalfwordToWrite : number of half-words to write.
   * @retval None
   */
 static void SRAM_WriteBuffer(uint16_t* pBuffer, uint32_t WriteAddr, uint32_t NumHalfwordToWrite)
@@ -94,15 +94,15 @@ static void SRAM_WriteBuffer(uint16_t* pBuffer, uint32_t WriteAddr, uint32_t Num
   {
     /*!< Transfer data to the memory */
     *(uint16_t *) (EXT_SRAM_BEGIN + WriteAddr) = *pBuffer++;
-    
-    /*!< Increment the address*/  
+
+    /*!< Increment the address*/
     WriteAddr += 2;
-  }   
+  }
 }
 
 /**
   * @brief  Reads a block of data from the FSMC SRAM memory.
-  * @param  pBuffer : pointer to the buffer that receives the data read from the 
+  * @param  pBuffer : pointer to the buffer that receives the data read from the
   *         SRAM memory.
   * @param  ReadAddr : SRAM memory internal address to read from.
   * @param  NumHalfwordToRead : number of half-words to read.
@@ -115,9 +115,9 @@ static void SRAM_ReadBuffer(uint16_t* pBuffer, uint32_t ReadAddr, uint32_t NumHa
     /*!< Read a half-word from the memory */
     *pBuffer++ = *(__IO uint16_t*) (EXT_SRAM_BEGIN + ReadAddr);
 
-    /*!< Increment the address*/  
+    /*!< Increment the address*/
     ReadAddr += 2;
-  }  
+  }
 }
 
 /**
@@ -146,9 +146,9 @@ int sram_test(void)
 
 
     /* Read data from XMC SRAM memory */
-    SRAM_ReadBuffer(RT_RxBuffer, RT_WRITE_READ_ADDR, RT_BUFFER_SIZE);  
+    SRAM_ReadBuffer(RT_RxBuffer, RT_WRITE_READ_ADDR, RT_BUFFER_SIZE);
 
-    /* Read back SRAM memory and check content correctness */   
+    /* Read back SRAM memory and check content correctness */
     for (Index = 0x00; (Index < RT_BUFFER_SIZE) && (WriteReadStatus == 0); Index++)
     {
         if (RT_RxBuffer[Index] != RT_TxBuffer[Index])
@@ -156,7 +156,7 @@ int sram_test(void)
             WriteReadStatus = Index + 1;
         }
     }
-    
+
     if(WriteReadStatus == 0)
     {
         LOG_D("SRAM test success!");
@@ -165,7 +165,7 @@ int sram_test(void)
     {
         LOG_E("SRAM test failed!");
     }
-    
+
     return RT_EOK;
 }
 MSH_CMD_EXPORT(sram_test, sram test)

bsp/at32/Libraries/rt_drivers/drv_sram.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_usart.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2020, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -15,7 +15,7 @@
 #if !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2) && \
     !defined(BSP_USING_UART3)
     #error "Please define at least one BSP_USING_UARTx"
-    /* this driver can be disabled at menuconfig ¡ú RT-Thread Components ¡ú Device Drivers */
+    /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
 #endif
 
 struct at32_usart {

bsp/at32/Libraries/rt_drivers/drv_usart.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/Libraries/rt_drivers/drv_wdt.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/at32f403a-start/applications/main.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/at32f403a-start/board/board.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2018-11-06     balanceTWK   first version
  */
- 
+
 #include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>

bsp/at32/at32f403a-start/board/board.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/at32f403a-start/board/msp/at32_msp.c

@@ -195,34 +195,34 @@ void at32_msp_adc_init(void *Instance)
     GPIO_InitType GPIO_InitStruct;
     ADC_Type *ADCx = (ADC_Type *)Instance;
 
-#ifdef BSP_USING_ADC1  
+#ifdef BSP_USING_ADC1
     if(ADCx == ADC1)
-    {   
+    {
         /* ADC1 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC1 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-		
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
-        
+
     }
 #endif
 
-#ifdef BSP_USING_ADC2  
+#ifdef BSP_USING_ADC2
     if(ADCx == ADC2)
     {
         /* ADC2 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC2 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-      
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
     }
-#endif     
+#endif
 }
 #endif /* BSP_USING_ADC */
 
@@ -237,7 +237,7 @@ void at32_msp_hwtmr_init(void *Instance)
         /* TMR3 clock enable */
         RCC_APB1PeriphClockCmd(RCC_APB1PERIPH_TMR3, ENABLE);
     }
-#endif 
+#endif
 
 #ifdef BSP_USING_HWTMR4
     if(TMRx == TMR4)

bsp/at32/at32f407-start/applications/main.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/at32f407-start/board/board.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,7 +7,7 @@
  * Date           Author       Notes
  * 2018-11-06     balanceTWK   first version
  */
- 
+
 #include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>

bsp/at32/at32f407-start/board/board.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *

bsp/at32/at32f407-start/board/msp/at32_msp.c

@@ -195,34 +195,34 @@ void at32_msp_adc_init(void *Instance)
     GPIO_InitType GPIO_InitStruct;
     ADC_Type *ADCx = (ADC_Type *)Instance;
 
-#ifdef BSP_USING_ADC1  
+#ifdef BSP_USING_ADC1
     if(ADCx == ADC1)
-    {   
+    {
         /* ADC1 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC1 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-		
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
-        
+
     }
 #endif
 
-#ifdef BSP_USING_ADC2  
+#ifdef BSP_USING_ADC2
     if(ADCx == ADC2)
     {
         /* ADC2 & GPIO clock enable */
         RCC_APB2PeriphClockCmd(RCC_APB2PERIPH_ADC2 | RCC_APB2PERIPH_GPIOA | RCC_APB2PERIPH_GPIOB | RCC_APB2PERIPH_GPIOC,ENABLE);
-      
-        /* Configure ADC Channel as analog input */      
+
+        /* Configure ADC Channel as analog input */
         GPIO_StructInit(&GPIO_InitStruct);
         GPIO_InitStruct.GPIO_Pins = GPIO_Pins_0 | GPIO_Pins_1 | GPIO_Pins_2 | GPIO_Pins_3 | GPIO_Pins_4 | GPIO_Pins_5;
         GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_ANALOG;
         GPIO_Init(GPIOC, &GPIO_InitStruct);
     }
-#endif     
+#endif
 }
 #endif /* BSP_USING_ADC */
 
@@ -237,7 +237,7 @@ void at32_msp_hwtmr_init(void *Instance)
         /* TMR3 clock enable */
         RCC_APB1PeriphClockCmd(RCC_APB1PERIPH_TMR3, ENABLE);
     }
-#endif 
+#endif
 
 #ifdef BSP_USING_HWTMR4
     if(TMRx == TMR4)

bsp/bluetrum/libraries/hal_drivers/drv_rtc.c

@@ -182,7 +182,7 @@ static void rt_rtc_init(void)
     hal_rtc_init();
 }
 
-static rt_err_t rt_rtc_control(rt_device_t dev, int cmd, void *args)
+static rt_err_t ab32_rtc_control(rt_device_t dev, int cmd, void *args)
 {
     rt_err_t result = RT_EOK;
     RT_ASSERT(dev != RT_NULL);
@@ -224,7 +224,7 @@ const static struct rt_device_ops rtc_ops =
     RT_NULL,
     RT_NULL,
     RT_NULL,
-    rt_rtc_control
+    ab32_rtc_control
 };
 #endif
 
@@ -241,7 +241,7 @@ static rt_err_t rt_hw_rtc_register(rt_device_t device, const char *name, rt_uint
     device->close       = RT_NULL;
     device->read        = RT_NULL;
     device->write       = RT_NULL;
-    device->control     = rt_rtc_control;
+    device->control     = ab32_rtc_control;
 #endif
     device->type        = RT_Device_Class_RTC;
     device->rx_indicate = RT_NULL;

bsp/efm32/EFM32GG_DK3750/dvk.h

@@ -164,7 +164,7 @@ int  DVK_BRD3600A_usbVBUSGetOCFlagState(void);
 
 /* For "backward compatibility" with DVK */
 /** DVK_enablePeripheral() backward compatibility */
-#define DVK_enablePeripheral(X)     DVK_peripheralAccess(X, true) 
+#define DVK_enablePeripheral(X)     DVK_peripheralAccess(X, true)
 /** DVK_disablePeripheral() backward compatibility */
 #define DVK_disablePeripheral(X)    DVK_peripheralAccess(X, false)
 
@@ -193,7 +193,7 @@ __STATIC_INLINE uint16_t DVK_EBI_readRegister(volatile uint16_t *addr)
 /**************************************************************************//**
  * @brief Read data from 16-bit board control register
  * @param addr Register to read
- * @return Value of board controller register 
+ * @return Value of board controller register
  *****************************************************************************/
 __STATIC_INLINE uint16_t DVK_readRegister(volatile uint16_t *addr)
 {

bsp/efm32/EFM32GG_DK3750/trace.c

@@ -125,7 +125,7 @@ void TRACE_SWOSetup(void)
 /**************************************************************************//**
  * @brief Profiler configuration for EFM32GG990F11024/EFM32GG-DK3750
  * @return true if energyAware Profiler/SWO is enabled, false if not
- * @note If first word of the user page is zero, this will not 
+ * @note If first word of the user page is zero, this will not
  *       enable SWO profiler output
  *****************************************************************************/
 bool TRACE_ProfilerSetup(void)
@@ -141,7 +141,7 @@ bool TRACE_ProfilerSetup(void)
   {
     TRACE_SWOSetup();
     return true;
-  }  
+  }
 }
 
 /** @} (end group BSP) */

bsp/efm32/EFM32GG_DK3750/trace.h

@@ -58,7 +58,7 @@ bool TRACE_ProfilerSetup(void);
  *        for TRACE_ProfilerSetup. If TRACE_ProfilerEnable(false) has been run,
  *        no example project will enable SWO trace.
  * @param[in] enable
- * @note Add "em_msc.c" to build to use this function. 
+ * @note Add "em_msc.c" to build to use this function.
  *****************************************************************************/
 __STATIC_INLINE void TRACE_ProfilerEnable(bool enable)
 {
@@ -69,7 +69,7 @@ __STATIC_INLINE void TRACE_ProfilerEnable(bool enable)
   data = *userpage;
   if(enable)
   {
-    if(data == 0xFFFFFFFF) 
+    if(data == 0xFFFFFFFF)
     {
       return;
     }

bsp/efm32/EFM32_Gxxx_DK/dvk.c

@@ -52,7 +52,7 @@ bool DVK_init(void)
 #endif
 #ifdef DVK_SPI_CONTROL
   ret = DVK_SPI_init();
-#endif  
+#endif
   if ( ret == false )
   {
     /* Board is configured in wrong mode, please restart KIT! */

bsp/efm32/EFM32_Gxxx_DK/dvk_bcregisters.h

@@ -73,7 +73,7 @@
 #define BC_HW_VERSION        ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x14)) /**< HW version */
 #define BC_FW_BUILDNO        ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x15)) /**< FW build number */
 #define BC_FW_VERSION        ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x16)) /**< FW version */
-#define BC_SCRATCH_COMMON    ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x17)) /**< Scratch common */ 
+#define BC_SCRATCH_COMMON    ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x17)) /**< Scratch common */
 #define BC_SCRATCH_EFM0      ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x18)) /**< Scratch EFM0 */
 #define BC_SCRATCH_EFM1      ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x19)) /**< Scratch EFM1 */
 #define BC_SCRATCH_EFM2      ((volatile uint16_t *)(BC_REGISTER_BASE + sizeof(uint16_t) * 0x1A)) /**< Scratch EFM2 */

bsp/efm32/EFM32_Gxxx_DK/dvk_boardcontrol.c

@@ -155,7 +155,7 @@ uint16_t DVK_getPushButtons(void)
   /* Check state */
   aemState = DVK_readRegister(BC_AEMSTATE);
   /* Read pushbutton status */
-  if ( aemState == BC_AEMSTATE_EFM ) 
+  if ( aemState == BC_AEMSTATE_EFM )
   {
     pb = (~(DVK_readRegister(BC_PUSHBUTTON))) & 0x000f;
   }
@@ -174,7 +174,7 @@ uint16_t DVK_getJoystick(void)
   /* Check state */
   aemState = DVK_readRegister(BC_AEMSTATE);
   /* Read pushbutton status */
-  if ( aemState == BC_AEMSTATE_EFM ) 
+  if ( aemState == BC_AEMSTATE_EFM )
   {
     joyStick = (~(DVK_readRegister(BC_JOYSTICK))) & 0x001f;
   }

bsp/efm32/EFM32_Gxxx_DK/dvk_ebi.c

@@ -163,7 +163,7 @@ bool DVK_EBI_init(void)
    * be configured for EBI access */
   ebiMagic = DVK_EBI_readRegister(BC_MAGIC);
   while ((ebiMagic != BC_MAGIC_VALUE) && retry)
-  {    
+  {
     DVK_EBI_disable();
     /* Enable SPI interface */
     DVK_SPI_init();
@@ -172,13 +172,13 @@ bool DVK_EBI_init(void)
     DVK_SPI_writeRegister(BC_CFG, BC_CFG_EBI);
     /* Disable SPI */
     DVK_SPI_disable();
- 
+
     /* Now setup EBI again */
     DVK_EBI_configure();
     /* Wait until ready */
     ebiMagic = DVK_EBI_readRegister(BC_MAGIC);
     if (ebiMagic == BC_MAGIC_VALUE) break;
-    
+
     retry--;
   }
   if ( ! retry ) return false;

bsp/efm32/EFM32_Gxxx_DK/dvk_spi.c

@@ -106,7 +106,7 @@ static void spiInit(void)
   /* Configure SPI bus connect pins, DOUT set to 0, disable EBI */
   GPIO_PinModeSet(PORT_SPIBUS_CONNECT, PIN_SPIBUS_CONNECT, gpioModePushPull, 0);
   GPIO_PinModeSet(PORT_EBIBUS_CONNECT, PIN_EBIBUS_CONNECT, gpioModePushPull, 1);
-  
+
   /* Configure SPI pins */
   GPIO_PinModeSet(PORT_SPI_TX, PIN_SPI_TX, gpioModePushPull, 0);
   GPIO_PinModeSet(PORT_SPI_RX, PIN_SPI_RX, gpioModePushPull, 0);
@@ -164,11 +164,11 @@ static uint16_t spiAccess(uint8_t spiaddr, uint8_t rw, uint16_t spidata)
   /* Just ignore data read back */
   USART_Rx(USART_USED);
 
-  /* SPI data LSB */ 
+  /* SPI data LSB */
   USART_Tx(USART_USED, spidata & 0xFF);
   tmp = (uint16_t)USART_Rx(USART_USED);
 
-  /* SPI data MSB */ 
+  /* SPI data MSB */
   USART_Tx(USART_USED, spidata >> 8);
   tmp |= (uint16_t)USART_Rx(USART_USED) << 8;
 
@@ -213,7 +213,7 @@ bool DVK_SPI_init(void)
   if(spiMagic != BC_MAGIC_VALUE)
   {
     return false;
-  } 
+  }
   else
   {
     return true;

bsp/efm32/EFM32_Gxxx_DK/trace.c

@@ -89,7 +89,7 @@ void TRACE_SWOSetup(void)
 /**************************************************************************//**
  * @brief Profiler configuration
  * @return true if energyAware Profiler/SWO is enabled, false if not
- * @note If first word of the user page is zero, this will not 
+ * @note If first word of the user page is zero, this will not
  *       enable SWO profiler output, see trace.h
  *****************************************************************************/
 bool TRACE_ProfilerSetup(void)
@@ -105,7 +105,7 @@ bool TRACE_ProfilerSetup(void)
   {
     TRACE_SWOSetup();
     return true;
-  }  
+  }
 }
 
 /** @} (end group BSP) */

bsp/efm32/EFM32_Gxxx_DK/trace.h

@@ -58,7 +58,7 @@ bool TRACE_ProfilerSetup(void);
  *        in TRACE_ProfilerSetup. If TRACE_ProfilerEnable(false) has been run,
  *        no example project will enable SWO trace.
  * @param[in] enable
- * @note Add "em_msc.c" to build to use this function. 
+ * @note Add "em_msc.c" to build to use this function.
  *****************************************************************************/
 __STATIC_INLINE void TRACE_ProfilerEnable(bool enable)
 {
@@ -69,7 +69,7 @@ __STATIC_INLINE void TRACE_ProfilerEnable(bool enable)
   data = *userpage;
   if(enable)
   {
-    if(data == 0xFFFFFFFF) 
+    if(data == 0xFFFFFFFF)
     {
       return;
     }
@@ -81,7 +81,7 @@ __STATIC_INLINE void TRACE_ProfilerEnable(bool enable)
       return;
     }
   }
- 
+
   /* Initialize MSC */
   MSC_Init();
 

bsp/efm32/Libraries/CMSIS/Include/arm_common_tables.h

@@ -1,24 +1,24 @@
-/* ---------------------------------------------------------------------- 
-* Copyright (C) 2010 ARM Limited. All rights reserved. 
-* 
-* $Date:        11. November 2010  
-* $Revision: 	V1.0.2  
-* 
-* Project: 	    CMSIS DSP Library 
-* Title:	    arm_common_tables.h 
-* 
-* Description:	This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions 
-* 
+/* ----------------------------------------------------------------------
+* Copyright (C) 2010 ARM Limited. All rights reserved.
+*
+* $Date:        11. November 2010
+* $Revision:    V1.0.2
+*
+* Project:      CMSIS DSP Library
+* Title:        arm_common_tables.h
+*
+* Description:  This file has extern declaration for common tables like Bitreverse, reciprocal etc which are used across different functions
+*
 * Target Processor: Cortex-M4/Cortex-M3
-*  
-* Version 1.0.2 2010/11/11 
-*    Documentation updated.  
-* 
-* Version 1.0.1 2010/10/05  
-*    Production release and review comments incorporated. 
-* 
-* Version 1.0.0 2010/09/20  
-*    Production release and review comments incorporated. 
+*
+* Version 1.0.2 2010/11/11
+*    Documentation updated.
+*
+* Version 1.0.1 2010/10/05
+*    Production release and review comments incorporated.
+*
+* Version 1.0.0 2010/09/20
+*    Production release and review comments incorporated.
 * -------------------------------------------------------------------- */
 
 #ifndef _ARM_COMMON_TABLES_H

bsp/efm32/Libraries/CMSIS/Include/core_cm3.h

@@ -636,14 +636,14 @@ typedef struct
   __IO uint32_t TPR;                     /*!< Offset: 0xE40 (R/W)  ITM Trace Privilege Register              */
        uint32_t RESERVED2[15];
   __IO uint32_t TCR;                     /*!< Offset: 0xE80 (R/W)  ITM Trace Control Register                */
-       uint32_t RESERVED3[29];                                  
+       uint32_t RESERVED3[29];
   __O  uint32_t IWR;                     /*!< Offset: 0xEF8 ( /W)  ITM Integration Write Register            */
   __I  uint32_t IRR;                     /*!< Offset: 0xEFC (R/ )  ITM Integration Read Register             */
   __IO uint32_t IMCR;                    /*!< Offset: 0xF00 (R/W)  ITM Integration Mode Control Register     */
-       uint32_t RESERVED4[43];                                  
+       uint32_t RESERVED4[43];
   __O  uint32_t LAR;                     /*!< Offset: 0xFB0 ( /W)  ITM Lock Access Register                  */
   __I  uint32_t LSR;                     /*!< Offset: 0xFB4 (R/ )  ITM Lock Status Register                  */
-       uint32_t RESERVED5[6];                                   
+       uint32_t RESERVED5[6];
   __I  uint32_t PID4;                    /*!< Offset: 0xFD0 (R/ )  ITM Peripheral Identification Register #4 */
   __I  uint32_t PID5;                    /*!< Offset: 0xFD4 (R/ )  ITM Peripheral Identification Register #5 */
   __I  uint32_t PID6;                    /*!< Offset: 0xFD8 (R/ )  ITM Peripheral Identification Register #6 */

bsp/efm32/Libraries/CMSIS/Include/core_cm4.h

@@ -669,14 +669,14 @@ typedef struct
   __IO uint32_t TPR;                     /*!< Offset: 0xE40 (R/W)  ITM Trace Privilege Register              */
        uint32_t RESERVED2[15];
   __IO uint32_t TCR;                     /*!< Offset: 0xE80 (R/W)  ITM Trace Control Register                */
-       uint32_t RESERVED3[29];                                  
+       uint32_t RESERVED3[29];
   __O  uint32_t IWR;                     /*!< Offset: 0xEF8 ( /W)  ITM Integration Write Register            */
   __I  uint32_t IRR;                     /*!< Offset: 0xEFC (R/ )  ITM Integration Read Register             */
   __IO uint32_t IMCR;                    /*!< Offset: 0xF00 (R/W)  ITM Integration Mode Control Register     */
-       uint32_t RESERVED4[43];                                  
+       uint32_t RESERVED4[43];
   __O  uint32_t LAR;                     /*!< Offset: 0xFB0 ( /W)  ITM Lock Access Register                  */
   __I  uint32_t LSR;                     /*!< Offset: 0xFB4 (R/ )  ITM Lock Status Register                  */
-       uint32_t RESERVED5[6];                                   
+       uint32_t RESERVED5[6];
   __I  uint32_t PID4;                    /*!< Offset: 0xFD0 (R/ )  ITM Peripheral Identification Register #4 */
   __I  uint32_t PID5;                    /*!< Offset: 0xFD4 (R/ )  ITM Peripheral Identification Register #5 */
   __I  uint32_t PID6;                    /*!< Offset: 0xFD8 (R/ )  ITM Peripheral Identification Register #6 */

bsp/efm32/Libraries/CMSIS/Include/core_sc300.h

@@ -607,14 +607,14 @@ typedef struct
   __IO uint32_t TPR;                     /*!< Offset: 0xE40 (R/W)  ITM Trace Privilege Register              */
        uint32_t RESERVED2[15];
   __IO uint32_t TCR;                     /*!< Offset: 0xE80 (R/W)  ITM Trace Control Register                */
-       uint32_t RESERVED3[29];                                  
+       uint32_t RESERVED3[29];
   __O  uint32_t IWR;                     /*!< Offset: 0xEF8 ( /W)  ITM Integration Write Register            */
   __I  uint32_t IRR;                     /*!< Offset: 0xEFC (R/ )  ITM Integration Read Register             */
   __IO uint32_t IMCR;                    /*!< Offset: 0xF00 (R/W)  ITM Integration Mode Control Register     */
-       uint32_t RESERVED4[43];                                  
+       uint32_t RESERVED4[43];
   __O  uint32_t LAR;                     /*!< Offset: 0xFB0 ( /W)  ITM Lock Access Register                  */
   __I  uint32_t LSR;                     /*!< Offset: 0xFB4 (R/ )  ITM Lock Status Register                  */
-       uint32_t RESERVED5[6];                                   
+       uint32_t RESERVED5[6];
   __I  uint32_t PID4;                    /*!< Offset: 0xFD0 (R/ )  ITM Peripheral Identification Register #4 */
   __I  uint32_t PID5;                    /*!< Offset: 0xFD4 (R/ )  ITM Peripheral Identification Register #5 */
   __I  uint32_t PID6;                    /*!< Offset: 0xFD8 (R/ )  ITM Peripheral Identification Register #6 */

bsp/efm32/Libraries/Device/EnergyMicro/EFM32G/Source/IAR/startup_efm32g.c

@@ -39,7 +39,7 @@ extern void __iar_program_start(void);
 extern void SystemInit(void);
 
 /* Auto defined by linker */
-extern unsigned char CSTACK$$Limit; 
+extern unsigned char CSTACK$$Limit;
 
 __weak void Reset_Handler(void)
 {

bsp/efm32/Libraries/Device/EnergyMicro/EFM32G/Source/system_efm32g.c

@@ -64,18 +64,18 @@
 /* Do not define variable if HF crystal oscillator not present */
 #if (EFM32_HFXO_FREQ > 0)
 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
-/** System HFXO clock. */ 
+/** System HFXO clock. */
 static uint32_t SystemHFXOClock = EFM32_HFXO_FREQ;
 /** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
 #endif
 
-#ifndef EFM32_LFXO_FREQ 
+#ifndef EFM32_LFXO_FREQ
 #define EFM32_LFXO_FREQ (EFM32_LFRCO_FREQ)
 #endif
 /* Do not define variable if LF crystal oscillator not present */
 #if (EFM32_LFXO_FREQ > 0)
 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
-/** System LFXO clock. */ 
+/** System LFXO clock. */
 static uint32_t SystemLFXOClock = EFM32_LFXO_FREQ;
 /** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
 #endif
@@ -118,13 +118,13 @@ uint32_t SystemCoreClock;
 uint32_t SystemCoreClockGet(void)
 {
   uint32_t ret;
-  
+
   ret = SystemHFClockGet();
 #if defined (_EFM32_GIANT_FAMILY)
   /* Leopard/Giant Gecko has an additional divider */
   ret =  ret / (1 + ((CMU->CTRL & _CMU_CTRL_HFCLKDIV_MASK)>>_CMU_CTRL_HFCLKDIV_SHIFT));
 #endif
-  ret >>= (CMU->HFCORECLKDIV & _CMU_HFCORECLKDIV_HFCORECLKDIV_MASK) >> 
+  ret >>= (CMU->HFCORECLKDIV & _CMU_HFCORECLKDIV_HFCORECLKDIV_MASK) >>
           _CMU_HFCORECLKDIV_HFCORECLKDIV_SHIFT;
 
   /* Keep CMSIS variable up-to-date just in case */
@@ -147,7 +147,7 @@ uint32_t SystemCoreClockGet(void)
 uint32_t SystemHFClockGet(void)
 {
   uint32_t ret;
-  
+
   switch (CMU->STATUS & (CMU_STATUS_HFRCOSEL | CMU_STATUS_HFXOSEL |
                          CMU_STATUS_LFRCOSEL | CMU_STATUS_LFXOSEL))
   {
@@ -160,11 +160,11 @@ uint32_t SystemHFClockGet(void)
       ret = 0;
 #endif
       break;
-      
+
     case CMU_STATUS_LFRCOSEL:
       ret = EFM32_LFRCO_FREQ;
       break;
-      
+
     case CMU_STATUS_HFXOSEL:
 #if (EFM32_HFXO_FREQ > 0)
       ret = SystemHFXOClock;
@@ -174,7 +174,7 @@ uint32_t SystemHFClockGet(void)
       ret = 0;
 #endif
       break;
-      
+
     default: /* CMU_STATUS_HFRCOSEL */
       switch (CMU->HFRCOCTRL & _CMU_HFRCOCTRL_BAND_MASK)
       {

bsp/efm32/Libraries/Device/EnergyMicro/EFM32GG/Source/IAR/startup_efm32gg.c

@@ -39,7 +39,7 @@ extern void __iar_program_start(void);
 extern void SystemInit(void);
 
 /* Auto defined by linker */
-extern unsigned char CSTACK$$Limit; 
+extern unsigned char CSTACK$$Limit;
 
 __weak void Reset_Handler(void)
 {

bsp/efm32/Libraries/Device/EnergyMicro/EFM32GG/Source/system_efm32gg.c

@@ -64,18 +64,18 @@
 /* Do not define variable if HF crystal oscillator not present */
 #if (EFM32_HFXO_FREQ > 0)
 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
-/** System HFXO clock. */ 
+/** System HFXO clock. */
 static uint32_t SystemHFXOClock = EFM32_HFXO_FREQ;
 /** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
 #endif
 
-#ifndef EFM32_LFXO_FREQ 
+#ifndef EFM32_LFXO_FREQ
 #define EFM32_LFXO_FREQ (EFM32_LFRCO_FREQ)
 #endif
 /* Do not define variable if LF crystal oscillator not present */
 #if (EFM32_LFXO_FREQ > 0)
 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
-/** System LFXO clock. */ 
+/** System LFXO clock. */
 static uint32_t SystemLFXOClock = EFM32_LFXO_FREQ;
 /** @endcond (DO_NOT_INCLUDE_WITH_DOXYGEN) */
 #endif
@@ -118,13 +118,13 @@ uint32_t SystemCoreClock;
 uint32_t SystemCoreClockGet(void)
 {
   uint32_t ret;
-  
+
   ret = SystemHFClockGet();
 #if defined (_EFM32_GIANT_FAMILY)
   /* Leopard/Giant Gecko has an additional divider */
   ret =  ret / (1 + ((CMU->CTRL & _CMU_CTRL_HFCLKDIV_MASK)>>_CMU_CTRL_HFCLKDIV_SHIFT));
 #endif
-  ret >>= (CMU->HFCORECLKDIV & _CMU_HFCORECLKDIV_HFCORECLKDIV_MASK) >> 
+  ret >>= (CMU->HFCORECLKDIV & _CMU_HFCORECLKDIV_HFCORECLKDIV_MASK) >>
           _CMU_HFCORECLKDIV_HFCORECLKDIV_SHIFT;
 
   /* Keep CMSIS variable up-to-date just in case */
@@ -147,7 +147,7 @@ uint32_t SystemCoreClockGet(void)
 uint32_t SystemHFClockGet(void)
 {
   uint32_t ret;
-  
+
   switch (CMU->STATUS & (CMU_STATUS_HFRCOSEL | CMU_STATUS_HFXOSEL |
                          CMU_STATUS_LFRCOSEL | CMU_STATUS_LFXOSEL))
   {
@@ -160,11 +160,11 @@ uint32_t SystemHFClockGet(void)
       ret = 0;
 #endif
       break;
-      
+
     case CMU_STATUS_LFRCOSEL:
       ret = EFM32_LFRCO_FREQ;
       break;
-      
+
     case CMU_STATUS_HFXOSEL:
 #if (EFM32_HFXO_FREQ > 0)
       ret = SystemHFXOClock;
@@ -174,7 +174,7 @@ uint32_t SystemHFClockGet(void)
       ret = 0;
 #endif
       break;
-      
+
     default: /* CMU_STATUS_HFRCOSEL */
       switch (CMU->HFRCOCTRL & _CMU_HFRCOCTRL_BAND_MASK)
       {

bsp/efm32/Libraries/emlib/inc/em_acmp.h

@@ -173,7 +173,7 @@ typedef struct
    *  power used by the VDD and bandgap references. */
   bool                          lowPowerReferenceEnabled;
 
-  /** Vdd reference value. VDD_SCALED = VDD × VDDLEVEL × 50mV/3.8V.
+  /** Vdd reference value. VDD_SCALED = VDD × VDDLEVEL × 50mV/3.8V.
    *  Valid values are in the range 0-63. */
   uint32_t                      vddLevel;
 
@@ -229,7 +229,7 @@ typedef struct
    *  power used by the VDD and bandgap references. */
   bool                         lowPowerReferenceEnabled;
 
-  /** Vdd reference value. VDD_SCALED = VDD × VDDLEVEL × 50mV/3.8V.
+  /** Vdd reference value. VDD_SCALED = VDD × VDDLEVEL × 50mV/3.8V.
    *  Valid values are in the range 0-63. */
   uint32_t                     vddLevel;
 

bsp/efm32/Libraries/emlib/inc/em_burtc.h

@@ -289,8 +289,8 @@ __STATIC_INLINE void BURTC_Enable(bool enable)
   if( enable )
   {
     BITBAND_Peripheral(&BURTC->CTRL, _BURTC_CTRL_RSTEN_SHIFT, 0);
-  } 
-  else 
+  }
+  else
   {
     BITBAND_Peripheral(&BURTC->CTRL, _BURTC_CTRL_RSTEN_SHIFT, 1);
   }

bsp/efm32/Libraries/emlib/inc/em_cmu.h

@@ -432,7 +432,7 @@ typedef enum
 #endif
 
 #if defined(USB_PRESENT)
-  cmuClock_USBC = (CMU_NODIV_REG << CMU_DIV_REG_POS) | 
+  cmuClock_USBC = (CMU_NODIV_REG << CMU_DIV_REG_POS) |
                   (CMU_USBCCLKSEL_REG << CMU_SEL_REG_POS) |
                   (CMU_HFCORECLKEN0_EN_REG << CMU_EN_REG_POS) |
                   (_CMU_HFCORECLKEN0_USBC_SHIFT << CMU_EN_BIT_POS) |
@@ -441,7 +441,7 @@ typedef enum
 #endif
 
 #if defined(USB_PRESENT)
-  cmuClock_USB = (CMU_NODIV_REG << CMU_DIV_REG_POS) | 
+  cmuClock_USB = (CMU_NODIV_REG << CMU_DIV_REG_POS) |
                  (CMU_NOSEL_REG << CMU_SEL_REG_POS) |
                  (CMU_HFCORECLKEN0_EN_REG << CMU_EN_REG_POS) |
                  (_CMU_HFCORECLKEN0_USB_SHIFT << CMU_EN_BIT_POS) |

bsp/efm32/Libraries/emlib/inc/em_dma.h

@@ -251,7 +251,7 @@ typedef struct
   /** Enable repeated loop */
   bool      enable;
   /** Width of transfer, reload value for nMinus1 */
-  uint16_t  nMinus1;  
+  uint16_t  nMinus1;
 } DMA_CfgLoop_TypeDef;
 
 
@@ -335,20 +335,20 @@ typedef struct
    * Pointer to the controlblock in memory holding descriptors (channel
    * control data structures). This memory must be properly aligned
    * according to requirements.
-   * 
+   *
    * Alignment requirements are
    *   a) 5 bits base requirement, bits [4:0]
    *   b) Add the number of bits needed to represent the wanted number
    *      of channels
    *   c) Align structure with this number of bits set to zero
-   *  
+   *
    * Examples: 4 channels, 5 + 2 (channels 0 to 3) = 7 bits
    *           7 bit alignment, 64 byte address alignment
    *           8 channels, 5 + 3 (channels 0 to 7) = 8 bits
    *           8 bit alignment, 256 byte address alignment
    *           12 channels, 5 + 4 (channels 0 to 11) = 9 bits
    *           9 bit alignment, 512 byte address alignment
-   * 
+   *
    * Please refer to the reference manual, DMA chapter for more details.
    *
    * It is possible to provide a smaller memory block, only covering

bsp/efm32/Libraries/emlib/inc/em_ebi.h

@@ -157,7 +157,7 @@ typedef enum
 } EBI_ALow_TypeDef;
 
 /** Adress Pin Enable, high limit - higher limit of pins to enable */
-typedef enum 
+typedef enum
 {
   /** All EBI_A pins are disabled */
   ebiAHighA0 = EBI_ROUTE_APEN_A0,
@@ -218,9 +218,9 @@ typedef enum {
   /** EBI PIN I/O Location 1 */
   ebiLocation1 = EBI_ROUTE_LOCATION_LOC1,
   /** EBI PIN I/O Location 2 */
-  ebiLocation2 = EBI_ROUTE_LOCATION_LOC2,  
+  ebiLocation2 = EBI_ROUTE_LOCATION_LOC2,
   /** EBI PIN I/O Location 3 */
-  // ebiLocation3 = EBI_ROUTE_LOCATION_LOC3,  
+  // ebiLocation3 = EBI_ROUTE_LOCATION_LOC3,
 } EBI_Location_TypeDef;
 #endif
 
@@ -626,7 +626,7 @@ __STATIC_INLINE void EBI_TFTPixelSet(int pixel, uint32_t color)
  ******************************************************************************/
 __STATIC_INLINE void EBI_TFTMaskBlendMode(EBI_TFTMaskBlend_TypeDef maskBlend)
 {
-  EBI->TFTCTRL = (EBI->TFTCTRL & (~_EBI_TFTCTRL_MASKBLEND_MASK))|maskBlend;                  
+  EBI->TFTCTRL = (EBI->TFTCTRL & (~_EBI_TFTCTRL_MASKBLEND_MASK))|maskBlend;
 }
 
 
@@ -676,7 +676,7 @@ __STATIC_INLINE uint32_t EBI_TFTHCount(void)
 
 
 /***************************************************************************//**
- * @brief Set Frame Buffer Trigger  
+ * @brief Set Frame Buffer Trigger
  *   Frame buffer pointer will be updated either on each horizontal line (hsync)
  *   or vertical update (vsync)(
  ******************************************************************************/

bsp/efm32/Libraries/emlib/inc/em_emu.h

@@ -62,8 +62,8 @@ typedef enum
   /** Select ULFRCO as duty oscillator in EM4 */
   emuEM4Osc_ULFRCO = EMU_EM4CONF_OSC_ULFRCO,
   /** Select LFXO as duty oscillator in EM4 */
-  emuEM4Osc_LFXO = EMU_EM4CONF_OSC_LFXO, 
-  /** Select LFRCO as duty oscillator in EM4 */    
+  emuEM4Osc_LFXO = EMU_EM4CONF_OSC_LFXO,
+  /** Select LFRCO as duty oscillator in EM4 */
   emuEM4Osc_LFRCO = EMU_EM4CONF_OSC_LFRCO
 } EMU_EM4Osc_TypeDef;
 
@@ -124,15 +124,15 @@ typedef enum
 
 #if defined(_EFM32_GIANT_FAMILY)
 /** Energy Mode 4 initialization structure  */
-typedef struct 
+typedef struct
 {
   /** Lock configuration of regulator, BOD and oscillator */
   bool               lockConfig;
   /** EM4 duty oscillator */
-  EMU_EM4Osc_TypeDef osc;  
+  EMU_EM4Osc_TypeDef osc;
   /** Wake up on EM4 BURTC interrupt */
   bool               buRtcWakeup;
-  /** Enable EM4 voltage regulator */  
+  /** Enable EM4 voltage regulator */
   bool               vreg;
 } EMU_EM4Init_TypeDef;
 
@@ -145,7 +145,7 @@ typedef struct
   }
 
 /** Backup Power Domain Initialization structure */
-typedef struct 
+typedef struct
 {
   /* Backup Power Domain power configuration */
 
@@ -153,7 +153,7 @@ typedef struct
   EMU_Probe_TypeDef probe;
   /** Enable BOD calibration mode */
   bool              bodCal;
-  /** Enable BU_STAT status pin for active BU mode */ 
+  /** Enable BU_STAT status pin for active BU mode */
   bool              statusPinEnable;
 
   /* Backup Power Domain connection configuration */

bsp/efm32/Libraries/emlib/inc/em_msc.h

@@ -88,7 +88,7 @@ typedef enum
 
 #if defined (_EFM32_GIANT_FAMILY)
 /** Strategy for prioritized bus access */
-typedef enum { 
+typedef enum {
   mscBusStrategyCPU = MSC_READCTRL_BUSSTRATEGY_CPU, /**< Prioritize CPU bus accesses */
   mscBusStrategyDMA = MSC_READCTRL_BUSSTRATEGY_DMA, /**< Prioritize DMA bus accesses */
   mscBusStrategyDMAEM1 = MSC_READCTRL_BUSSTRATEGY_DMAEM1, /**< Prioritize DMAEM1 for bus accesses */

bsp/efm32/Libraries/emlib/inc/em_rmu.h

@@ -59,10 +59,10 @@ typedef enum
 {
 #if defined(_EFM32_GIANT_FAMILY)
   /** Reset control over Backup Power Domain */
-  rmuResetBU = _RMU_CTRL_BURSTEN_SHIFT,        
+  rmuResetBU = _RMU_CTRL_BURSTEN_SHIFT,
 #endif
   /** Allow Cortex-M3 lock up signal */
-  rmuResetLockUp = _RMU_CTRL_LOCKUPRDIS_SHIFT 
+  rmuResetLockUp = _RMU_CTRL_LOCKUPRDIS_SHIFT
 } RMU_Reset_TypeDef;
 
 /*******************************************************************************

bsp/efm32/Libraries/emlib/inc/em_usart.h

@@ -276,7 +276,7 @@ typedef struct
 
 #if defined(_EFM32_TINY_FAMILY) || defined(_EFM32_GIANT_FAMILY)
 /** USART PRS trigger enable */
-typedef struct 
+typedef struct
 {
 #if defined(_EFM32_GIANT_FAMILY)
   /** Enable AUTOTX */

bsp/efm32/Libraries/emlib/src/em_burtc.c

@@ -87,7 +87,7 @@ __STATIC_INLINE uint32_t BURTC_DivToLog2(uint32_t div)
  *    Configures the BURTC peripheral.
  *
  * @note
- *   Before initialization, BURTC module must first be enabled by clearing the 
+ *   Before initialization, BURTC module must first be enabled by clearing the
  *   reset bit in the RMU, i.e.
  * @verbatim
  *   RMU_ResetControl(rmuResetBU, false);
@@ -123,7 +123,7 @@ void BURTC_Init(const BURTC_Init_TypeDef *burtcInit)
   presc = BURTC_DivToLog2(burtcInit->clkDiv);
 
   /* Make sure all registers are updated simultaneously */
-  if (burtcInit->enable) 
+  if (burtcInit->enable)
   {
     BURTC_FreezeEnable(true);
   }
@@ -132,7 +132,7 @@ void BURTC_Init(const BURTC_Init_TypeDef *burtcInit)
   BURTC->LPMODE = (uint32_t)(burtcInit->lowPowerMode);
 
   /* New configuration */
-  ctrl = ((BURTC_CTRL_RSTEN) | 
+  ctrl = ((BURTC_CTRL_RSTEN) |
           (burtcInit->mode) |
           (burtcInit->debugRun << _BURTC_CTRL_DEBUGRUN_SHIFT) |
           (burtcInit->compare0Top << _BURTC_CTRL_COMP0TOP_SHIFT) |

bsp/efm32/Libraries/emlib/src/em_cmu.c

@@ -1377,14 +1377,14 @@ void CMU_ClockSelectSet(CMU_Clock_TypeDef clock, CMU_Select_TypeDef ref)
       /* frequencies above 32MHz */
       if(SystemHFXOClockGet() > CMU_MAX_FREQ_HFLE)
       {
-        CMU->CTRL = (CMU->CTRL & ~_CMU_CTRL_HFXOBUFCUR_MASK) | 
-          CMU_CTRL_HFXOBUFCUR_BOOSTABOVE32MHZ | 
+        CMU->CTRL = (CMU->CTRL & ~_CMU_CTRL_HFXOBUFCUR_MASK) |
+          CMU_CTRL_HFXOBUFCUR_BOOSTABOVE32MHZ |
           /* Must have HFLE enabled to access some LE peripherals >=32MHz */
           CMU_CTRL_HFLE;
       } else {
         /* This can happen if the user configures the EFM32_HFXO_FREQ to */
         /* use another oscillator frequency */
-        CMU->CTRL = (CMU->CTRL & ~_CMU_CTRL_HFXOBUFCUR_MASK) | 
+        CMU->CTRL = (CMU->CTRL & ~_CMU_CTRL_HFXOBUFCUR_MASK) |
           CMU_CTRL_HFXOBUFCUR_BOOSTUPTO32MHZ;
       }
 #endif
@@ -1475,7 +1475,7 @@ void CMU_ClockSelectSet(CMU_Clock_TypeDef clock, CMU_Select_TypeDef ref)
         BITBAND_Peripheral(&(CMU->CTRL), _CMU_CTRL_HFLE_SHIFT, 1);
 
         /* Enable DIV4 factor for peripheral clock */
-        BITBAND_Peripheral(&(CMU->HFCORECLKDIV), 
+        BITBAND_Peripheral(&(CMU->HFCORECLKDIV),
                            _CMU_HFCORECLKDIV_HFCORECLKLEDIV_SHIFT, 1);
       }
 #endif

bsp/efm32/Libraries/emlib/src/em_ebi.c

@@ -105,7 +105,7 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
     ctrl |= (ebiInit->ardyDisableTimeout << _EBI_CTRL_ARDYTODIS_SHIFT);
     ctrl |= (ebiInit->blEnable << _EBI_CTRL_BL_SHIFT);
     ctrl |= (ebiInit->noIdle << _EBI_CTRL_NOIDLE_SHIFT);
-    if ( ebiInit->enable) 
+    if ( ebiInit->enable)
     {
       ctrl |= EBI_CTRL_BANK0EN;
     }
@@ -117,13 +117,13 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
               _EBI_CTRL_ARDY1EN_MASK|
               _EBI_CTRL_ARDYTO1DIS_MASK|
               _EBI_CTRL_NOIDLE1_MASK|
-              _EBI_CTRL_BANK1EN_MASK); 
+              _EBI_CTRL_BANK1EN_MASK);
     ctrl |= (ebiInit->mode << _EBI_CTRL_MODE1_SHIFT);
     ctrl |= (ebiInit->ardyEnable << _EBI_CTRL_ARDY1EN_SHIFT);
     ctrl |= (ebiInit->ardyDisableTimeout << _EBI_CTRL_ARDYTO1DIS_SHIFT);
     ctrl |= (ebiInit->blEnable << _EBI_CTRL_BL1_SHIFT);
     ctrl |= (ebiInit->noIdle << _EBI_CTRL_NOIDLE1_SHIFT);
-    if ( ebiInit->enable) 
+    if ( ebiInit->enable)
     {
       ctrl |= EBI_CTRL_BANK1EN;
     }
@@ -141,7 +141,7 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
     ctrl |= (ebiInit->ardyDisableTimeout << _EBI_CTRL_ARDYTO2DIS_SHIFT);
     ctrl |= (ebiInit->blEnable << _EBI_CTRL_BL2_SHIFT);
     ctrl |= (ebiInit->noIdle << _EBI_CTRL_NOIDLE2_SHIFT);
-    if ( ebiInit->enable) 
+    if ( ebiInit->enable)
     {
       ctrl |= EBI_CTRL_BANK2EN;
     }
@@ -153,13 +153,13 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
               _EBI_CTRL_ARDY3EN_MASK|
               _EBI_CTRL_ARDYTO3DIS_MASK|
               _EBI_CTRL_NOIDLE3_MASK|
-              _EBI_CTRL_BANK3EN_MASK); 
+              _EBI_CTRL_BANK3EN_MASK);
     ctrl |= (ebiInit->mode << _EBI_CTRL_MODE3_SHIFT);
     ctrl |= (ebiInit->ardyEnable << _EBI_CTRL_ARDY3EN_SHIFT);
     ctrl |= (ebiInit->ardyDisableTimeout << _EBI_CTRL_ARDYTO3DIS_SHIFT);
     ctrl |= (ebiInit->blEnable << _EBI_CTRL_BL3_SHIFT);
     ctrl |= (ebiInit->noIdle << _EBI_CTRL_NOIDLE3_SHIFT);
-    if ( ebiInit->enable) 
+    if ( ebiInit->enable)
     {
       ctrl |= EBI_CTRL_BANK3EN;
     }
@@ -172,7 +172,7 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
             _EBI_CTRL_BANK1EN_MASK|
             _EBI_CTRL_BANK2EN_MASK|
             _EBI_CTRL_BANK3EN_MASK);
-  if ( ebiInit->enable) 
+  if ( ebiInit->enable)
   {
     if ( ebiInit->banks & EBI_BANK0 )
     {
@@ -265,7 +265,7 @@ void EBI_Init(const EBI_Init_TypeDef *ebiInit)
   EBI_ChipSelectEnable(ebiInit->csLines, true);
 
   /* Activate new configuration */
-  EBI->CTRL = ctrl;  
+  EBI->CTRL = ctrl;
 }
 
 

bsp/efm32/Libraries/emlib/src/em_emu.c

@@ -402,16 +402,16 @@ void EMU_EM4Init(EMU_EM4Init_TypeDef *em4init)
     _EMU_EM4CONF_OSC_MASK|
     _EMU_EM4CONF_BURTCWU_MASK|
     _EMU_EM4CONF_VREGEN_MASK);
-  
+
   /* Configure new settings */
   em4conf |= (
     (em4init->lockConfig << _EMU_EM4CONF_LOCKCONF_SHIFT)|
     (em4init->osc)|
     (em4init->buRtcWakeup << _EMU_EM4CONF_BURTCWU_SHIFT)|
     (em4init->vreg << _EMU_EM4CONF_VREGEN_SHIFT));
-  
+
   /* Apply configuration. Note that lock can be set after this stage. */
-  EMU->EM4CONF = em4conf;    
+  EMU->EM4CONF = em4conf;
 }
 
 
@@ -432,15 +432,15 @@ void EMU_BUPDInit(EMU_BUPDInit_TypeDef *bupdInit)
     _EMU_PWRCONF_VOUTSTRONG_MASK|
     _EMU_PWRCONF_VOUTMED_MASK|
     _EMU_PWRCONF_VOUTWEAK_MASK);
-  
+
   reg |= (bupdInit->resistor|
          (bupdInit->voutStrong << _EMU_PWRCONF_VOUTSTRONG_SHIFT)|
          (bupdInit->voutMed    << _EMU_PWRCONF_VOUTMED_SHIFT)|
-         (bupdInit->voutWeak   << _EMU_PWRCONF_VOUTWEAK_SHIFT)); 
-  
+         (bupdInit->voutWeak   << _EMU_PWRCONF_VOUTWEAK_SHIFT));
+
   EMU->PWRCONF = reg;
 
-  /* Set backup domain inactive mode configuration */ 
+  /* Set backup domain inactive mode configuration */
   reg = EMU->BUINACT & ~(_EMU_BUINACT_PWRCON_MASK);
   reg |= (bupdInit->inactivePower);
   EMU->BUINACT = reg;
@@ -456,14 +456,14 @@ void EMU_BUPDInit(EMU_BUPDInit_TypeDef *bupdInit)
     _EMU_BUCTRL_BODCAL_MASK|
     _EMU_BUCTRL_STATEN_MASK|
     _EMU_BUCTRL_EN_MASK);
-             
-  /* Note use of ->enable to both enable BUPD, use BU_VIN pin input and 
+
+  /* Note use of ->enable to both enable BUPD, use BU_VIN pin input and
      release reset */
   reg |= (bupdInit->probe|
          (bupdInit->bodCal          << _EMU_BUCTRL_BODCAL_SHIFT)|
          (bupdInit->statusPinEnable << _EMU_BUCTRL_STATEN_SHIFT)|
          (bupdInit->enable          << _EMU_BUCTRL_EN_SHIFT));
-  
+
   /* Enable configuration */
   EMU->BUCTRL = reg;
 
@@ -479,14 +479,14 @@ void EMU_BUPDInit(EMU_BUPDInit_TypeDef *bupdInit)
  * @brief
  *   Configure Backup Power Domain BOD Threshold value
  * @note
- *   These values are precalibrated 
+ *   These values are precalibrated
  * @param[in] mode Active or Inactive mode
  * @param[in] value
  ******************************************************************************/
 void EMU_BUThresholdSet(EMU_BODMode_TypeDef mode, uint32_t value)
 {
   EFM_ASSERT(value<4);
-  
+
   switch(mode)
   {
   case emuBODMode_Active:
@@ -503,7 +503,7 @@ void EMU_BUThresholdSet(EMU_BODMode_TypeDef mode, uint32_t value)
  * @brief
  *  Configure Backup Power Domain BOD Threshold Range
  * @note
- *  These values are precalibrated 
+ *  These values are precalibrated
  * @param[in] mode Active or Inactive mode
  * @param[in] value
  ******************************************************************************/

bsp/efm32/Libraries/emlib/src/em_lesense.c

@@ -533,7 +533,7 @@ void LESENSE_ChannelConfig(LESENSE_ChDesc_TypeDef const *confCh,
   /* Channel specific configuration of clocks, sample mode, excitation pin mode
    * alternate excitation usage and interrupt mode on scan channel chIdx in
    * LESENSE_CHchIdx_INTERACT. */
-  LESENSE->CH[chIdx].INTERACT = ((uint32_t)confCh->exClk << 
+  LESENSE->CH[chIdx].INTERACT = ((uint32_t)confCh->exClk <<
                                  _LESENSE_CH_INTERACT_EXCLK_SHIFT) |
                                 ((uint32_t)confCh->sampleClk <<
                                  _LESENSE_CH_INTERACT_SAMPLECLK_SHIFT) |

bsp/efm32/Libraries/emlib/src/em_msc.c

@@ -55,7 +55,7 @@
  * @brief
  *   Enables the flash controller for writing.
  * @note
- *   IMPORTANT: This function must be called before flash operations when 
+ *   IMPORTANT: This function must be called before flash operations when
  *   AUXHFRCO clock has been changed from default 14MHz band.
  ******************************************************************************/
 void MSC_Init(void)

bsp/efm32/Libraries/emlib/src/em_opamp.c

@@ -243,7 +243,7 @@ void OPAMP_Disable( DAC_TypeDef *dac, OPAMP_TypeDef opa )
 void OPAMP_Enable( DAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef *init )
 {
   uint32_t offset;
-  
+
   EFM_ASSERT( DAC_REF_VALID( dac ) );
   EFM_ASSERT( DAC_OPA_VALID( opa ) );
   EFM_ASSERT( init->bias <= ( _DAC_BIASPROG_BIASPROG_MASK  >>
@@ -267,13 +267,13 @@ void OPAMP_Enable( DAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef
     }
     else
     {
-      EFM_ASSERT( init->offset <= ( _DAC_CAL_CH0OFFSET_MASK >> 
+      EFM_ASSERT( init->offset <= ( _DAC_CAL_CH0OFFSET_MASK >>
                                     _DAC_CAL_CH0OFFSET_SHIFT   ) );
-      
+
       dac->CAL = ( dac->CAL      & ~_DAC_CAL_CH0OFFSET_MASK  ) |
-                 ( init->offset <<  _DAC_CAL_CH0OFFSET_SHIFT );        
+                 ( init->offset <<  _DAC_CAL_CH0OFFSET_SHIFT );
     }
-    
+
     dac->OPA0MUX  = (uint32_t)init->resSel                                |
                     (uint32_t)init->outMode                               |
                     init->outPen                                          |
@@ -315,11 +315,11 @@ void OPAMP_Enable( DAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef
     }
     else
     {
-      EFM_ASSERT( init->offset <= ( _DAC_CAL_CH1OFFSET_MASK >> 
+      EFM_ASSERT( init->offset <= ( _DAC_CAL_CH1OFFSET_MASK >>
                                     _DAC_CAL_CH1OFFSET_SHIFT   ) );
-      
+
       dac->CAL = ( dac->CAL      & ~_DAC_CAL_CH1OFFSET_MASK  ) |
-                 ( init->offset <<  _DAC_CAL_CH1OFFSET_SHIFT );        
+                 ( init->offset <<  _DAC_CAL_CH1OFFSET_SHIFT );
     }
 
     dac->OPA1MUX  = (uint32_t)init->resSel                                |
@@ -370,11 +370,11 @@ void OPAMP_Enable( DAC_TypeDef *dac, OPAMP_TypeDef opa, const OPAMP_Init_TypeDef
     }
     else
     {
-      EFM_ASSERT( init->offset <= ( _DAC_OPAOFFSET_OPA2OFFSET_MASK >> 
+      EFM_ASSERT( init->offset <= ( _DAC_OPAOFFSET_OPA2OFFSET_MASK >>
                                     _DAC_OPAOFFSET_OPA2OFFSET_SHIFT   ) );
-      
+
       dac->CAL = ( dac->CAL      & ~_DAC_OPAOFFSET_OPA2OFFSET_MASK  ) |
-                 ( init->offset <<  _DAC_OPAOFFSET_OPA2OFFSET_SHIFT );        
+                 ( init->offset <<  _DAC_OPAOFFSET_OPA2OFFSET_SHIFT );
     }
 
     dac->OPA2MUX  = (uint32_t)init->resSel                                |

bsp/efm32/Libraries/emlib/src/em_rmu.c

@@ -1,7 +1,7 @@
 /***************************************************************************//**
  * @file
  * @brief Reset Management Unit (RMU) peripheral module peripheral API
- *  
+ *
  * @author Energy Micro AS
  * @version 3.0.0
  *******************************************************************************

bsp/efm32/Libraries/emlib/src/em_timer.c

@@ -136,7 +136,7 @@ void TIMER_Init(TIMER_TypeDef *timer, const TIMER_Init_TypeDef *init)
   {
     timer->CMD = TIMER_CMD_STOP;
   }
-  
+
   /* Reset counter */
   timer->CNT = _TIMER_CNT_RESETVALUE;
 

bsp/efm32/Libraries/emlib/src/em_usart.c

@@ -82,7 +82,7 @@
 #endif
 
 #if (UART_COUNT == 1)
-#define UART_REF_VALID(ref)     ((ref)==UART0) 
+#define UART_REF_VALID(ref)     ((ref)==UART0)
 #elif (UART_COUNT == 2)
 #define UART_REF_VALID(ref)     (((ref)==UART0) || ((ref)==UART1))
 #else
@@ -733,8 +733,8 @@ void USART_InitI2s(USART_TypeDef *usart, USART_InitI2s_TypeDef *init)
  * @brief
  *   Initialize automatic transmissions using PRS channel as trigger
  * @note
- *   Initialize USART with USART_Init() before setting up PRS configuration 
- * 
+ *   Initialize USART with USART_Init() before setting up PRS configuration
+ *
  * @param[in] usart Pointer to USART to configure
  * @param[in] init Pointer to initialization structure
  ******************************************************************************/

bsp/efm32/Libraries/emlib/src/em_vcmp.c

@@ -133,7 +133,7 @@ void VCMP_Init(const VCMP_Init_TypeDef *vcmpInit)
     while(!VCMP_Ready());
     VCMP_LowPowerRefSet(vcmpInit->lowPowerRef);
   }
-  
+
   /* Clear edge interrupt */
   VCMP_IntClear(VCMP_IF_EDGE);
 }

bsp/efm32/dev_accel.h

@@ -1,8 +1,8 @@
 /***************************************************************************//**
- * @file 	dev_accel.h
- * @brief 	Accelerometer driver of RT-Thread RTOS for EFM32
+ * @file    dev_accel.h
+ * @brief   Accelerometer driver of RT-Thread RTOS for EFM32
  *  COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
+ * @author  onelife
  * @version 1.0
  *******************************************************************************
  * @section License
@@ -10,10 +10,10 @@
  * LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
  *******************************************************************************
  * @section Change Logs
- * Date			Author		Notes
- * 2011-07-13	onelife		Initial creation for using EFM32 ADC module to
+ * Date         Author      Notes
+ * 2011-07-13   onelife     Initial creation for using EFM32 ADC module to
  *  interface the Freescale MMA7361L
- * 2011-08-02	onelife		Add digital interface support of using EFM32 IIC
+ * 2011-08-02   onelife     Add digital interface support of using EFM32 IIC
  *  module for the Freescale MMA7455L
  ******************************************************************************/
 #ifndef __DEV_ACCEL_H__
@@ -27,95 +27,95 @@
 /* Exported types ------------------------------------------------------------*/
 struct efm32_accel_result_t
 {
-	rt_int32_t 				x;
-	rt_int32_t 				y;
-	rt_int32_t 				z;
+    rt_int32_t              x;
+    rt_int32_t              y;
+    rt_int32_t              z;
 };
 
 /* Exported constants --------------------------------------------------------*/
 /* Exported macro ------------------------------------------------------------*/
-/* 	MMA7361LC
- 	g-Select 	g-Range 	Sensitivity
- 	0 			1.5 g 		800 mV/g
- 	1 			6 g 		206 mV/g
+/*  MMA7361LC
+    g-Select    g-Range     Sensitivity
+    0           1.5 g       800 mV/g
+    1           6 g         206 mV/g
 
- 	MMA7455L
- 	g-Select 	g-Range 	Sensitivity
- 	0 			2 g 		64 LSB/g
- 	1 			4 g 		32 LSB/g
-	2			8 g 		16 LSB/g
+    MMA7455L
+    g-Select    g-Range     Sensitivity
+    0           2 g         64 LSB/g
+    1           4 g         32 LSB/g
+    2           8 g         16 LSB/g
 */
-#define ACCEL_G_SELECT 			(0)
+#define ACCEL_G_SELECT          (0)
 
-#define ACCEL_CAL_SAMPLES 		(4) 	/* Must be multiple of 2 */
-#define ACCEL_CAL_ROUND 		(50)
-#define ACCEL_CAL_SIMPLE 		(0)
-#define ACCEL_CAL_INTERACT 		(1)
+#define ACCEL_CAL_SAMPLES       (4)     /* Must be multiple of 2 */
+#define ACCEL_CAL_ROUND         (50)
+#define ACCEL_CAL_SIMPLE        (0)
+#define ACCEL_CAL_INTERACT      (1)
 
 #if (EFM32_USING_ACCEL == EFM32_INTERFACE_ADC)
 /* Reading_at_1g = Sensitivity * Max_reading / Refference_voltage */
-#define ACCEL_CAL_1G_VALUE 		{993, 256}
+#define ACCEL_CAL_1G_VALUE      {993, 256}
 
-#define ACCEL_X_ADC_CH 			ADC_SCANCTRL_INPUTMASK_CH2
-#define ACCEL_Y_ADC_CH 			ADC_SCANCTRL_INPUTMASK_CH3
-#define ACCEL_Z_ADC_CH 			ADC_SCANCTRL_INPUTMASK_CH4
+#define ACCEL_X_ADC_CH          ADC_SCANCTRL_INPUTMASK_CH2
+#define ACCEL_Y_ADC_CH          ADC_SCANCTRL_INPUTMASK_CH3
+#define ACCEL_Z_ADC_CH          ADC_SCANCTRL_INPUTMASK_CH4
 #elif (EFM32_USING_ACCEL == EFM32_INTERFACE_IIC)
-#define ACCEL_CAL_1G_VALUE 		{0x3f, 0x1f, 0x0f}
+#define ACCEL_CAL_1G_VALUE      {0x3f, 0x1f, 0x0f}
 #define ACCEL_IIC_SLAVE_ADDRESS (0x1d)
 
-#define ACCEL_INT1_PORT			(gpioPortD)
-#define ACCEL_INT1_PIN			(13)
-#define ACCEL_INT2_PORT 		(gpioPortD)
-#define ACCEL_INT2_PIN 			(12)
+#define ACCEL_INT1_PORT         (gpioPortD)
+#define ACCEL_INT1_PIN          (13)
+#define ACCEL_INT2_PORT         (gpioPortD)
+#define ACCEL_INT2_PIN          (12)
 
-#define ACCEL_MODE_STANDBY 		(1 << 0)
-#define ACCEL_MODE_MEASUREMENT	(1 << 1)
-#define ACCEL_MODE_LEVEL		(1 << 2)
-#define ACCEL_MODE_PULSE 		(1 << 3)
-#define ACCEL_RANGE_8G 			(1 << 4)
-#define ACCEL_RANGE_4G 			(1 << 5)
-#define ACCEL_RANGE_2G 			(1 << 6)
-#define ACCEL_INTPIN_INVERSE 	(1 << 7)
-#define ACCEL_INT_LEVEL_PULSE 	(1 << 8)
-#define ACCEL_INT_PULSE_LEVEL 	(1 << 9)
-#define ACCEL_INT_SINGLE_DOUBLE	(1 << 10)
-#define ACCEL_DISABLE_X 		(1 << 11)
-#define ACCEL_DISABLE_Y 		(1 << 12)
-#define ACCEL_DISABLE_Z 		(1 << 13)
-#define ACCEL_THRESHOLD_INTEGER	(1 << 14) 	/* For level detection only */
-#define ACCEL_BANDWIDTH_125HZ	(1 << 15)
-#define ACCEL_LEVEL_AND			(1 << 16)
-#define ACCEL_PULSE_AND			(1 << 17)
-#define ACCEL_DRIVE_STRONG		(1 << 18)
-#define ACCEL_SOURCE_LEVEL_X 	(1 << 19)
-#define ACCEL_SOURCE_LEVEL_Y 	(1 << 20)
-#define ACCEL_SOURCE_LEVEL_Z 	(1 << 21)
-#define ACCEL_SOURCE_PULSE_X 	(1 << 22)
-#define ACCEL_SOURCE_PULSE_Y 	(1 << 23)
-#define ACCEL_SOURCE_PULSE_Z 	(1 << 24)
+#define ACCEL_MODE_STANDBY      (1 << 0)
+#define ACCEL_MODE_MEASUREMENT  (1 << 1)
+#define ACCEL_MODE_LEVEL        (1 << 2)
+#define ACCEL_MODE_PULSE        (1 << 3)
+#define ACCEL_RANGE_8G          (1 << 4)
+#define ACCEL_RANGE_4G          (1 << 5)
+#define ACCEL_RANGE_2G          (1 << 6)
+#define ACCEL_INTPIN_INVERSE    (1 << 7)
+#define ACCEL_INT_LEVEL_PULSE   (1 << 8)
+#define ACCEL_INT_PULSE_LEVEL   (1 << 9)
+#define ACCEL_INT_SINGLE_DOUBLE (1 << 10)
+#define ACCEL_DISABLE_X         (1 << 11)
+#define ACCEL_DISABLE_Y         (1 << 12)
+#define ACCEL_DISABLE_Z         (1 << 13)
+#define ACCEL_THRESHOLD_INTEGER (1 << 14)   /* For level detection only */
+#define ACCEL_BANDWIDTH_125HZ   (1 << 15)
+#define ACCEL_LEVEL_AND         (1 << 16)
+#define ACCEL_PULSE_AND         (1 << 17)
+#define ACCEL_DRIVE_STRONG      (1 << 18)
+#define ACCEL_SOURCE_LEVEL_X    (1 << 19)
+#define ACCEL_SOURCE_LEVEL_Y    (1 << 20)
+#define ACCEL_SOURCE_LEVEL_Z    (1 << 21)
+#define ACCEL_SOURCE_PULSE_X    (1 << 22)
+#define ACCEL_SOURCE_PULSE_Y    (1 << 23)
+#define ACCEL_SOURCE_PULSE_Z    (1 << 24)
 
-#define ACCEL_SHIFT_MODE 		(0)
-#define ACCEL_SHIFT_RANGE 		(4)
-#define ACCEL_SHIFT_INT 		(8)
-#define ACCEL_SHIFT_DISABLE		(11)
-#define ACCEL_SHIFT_SOURCE		(19)
+#define ACCEL_SHIFT_MODE        (0)
+#define ACCEL_SHIFT_RANGE       (4)
+#define ACCEL_SHIFT_INT         (8)
+#define ACCEL_SHIFT_DISABLE     (11)
+#define ACCEL_SHIFT_SOURCE      (19)
 
-#define ACCEL_MASK_MODE 		(0X0000000f << ACCEL_SHIFT_MODE)
-#define ACCEL_MASK_RANGE 		(0X00000007 << ACCEL_SHIFT_RANGE)
-#define ACCEL_MASK_INT 			(0X00000007 << ACCEL_SHIFT_INT)
-#define ACCEL_MASK_DISABLE 		(0X00000007 << ACCEL_SHIFT_DISABLE)
-#define ACCEL_MASK_SOURCE 		(0X0000003f << ACCEL_SHIFT_SOURCE)
+#define ACCEL_MASK_MODE         (0X0000000f << ACCEL_SHIFT_MODE)
+#define ACCEL_MASK_RANGE        (0X00000007 << ACCEL_SHIFT_RANGE)
+#define ACCEL_MASK_INT          (0X00000007 << ACCEL_SHIFT_INT)
+#define ACCEL_MASK_DISABLE      (0X00000007 << ACCEL_SHIFT_DISABLE)
+#define ACCEL_MASK_SOURCE       (0X0000003f << ACCEL_SHIFT_SOURCE)
 #endif
 
 /* Exported functions ------------------------------------------------------- */
 rt_err_t efm_accel_get_data(struct efm32_accel_result_t *data,
-	rt_bool_t lowResolution);
+    rt_bool_t lowResolution);
 rt_err_t efm_accel_config(rt_uint32_t config,
-	rt_uint8_t level_threshold,
-	rt_uint8_t pulse_threshold,
-	rt_uint8_t pulse_duration,
-	rt_uint8_t pulse_latency,
-	rt_uint8_t pulse_duration2);
+    rt_uint8_t level_threshold,
+    rt_uint8_t pulse_threshold,
+    rt_uint8_t pulse_duration,
+    rt_uint8_t pulse_latency,
+    rt_uint8_t pulse_duration2);
 rt_err_t efm_accel_auto_zero(rt_uint8_t mode, rt_tick_t period);
 rt_err_t efm_accel_init(void);
 

bsp/efm32/dev_keys.c

@@ -1,8 +1,8 @@
 /***************************************************************************//**
- * @file 	dev_keys.c
- * @brief 	Keys driver of RT-Thread RTOS for EFM32
+ * @file    dev_keys.c
+ * @brief   Keys driver of RT-Thread RTOS for EFM32
  *  COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
+ * @author  onelife
  * @version 1.0
  *******************************************************************************
  * @section License
@@ -10,7 +10,7 @@
  *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
  *******************************************************************************
  * @section Change Logs
- * Date			Author		Notes
+ * Date         Author      Notes
  * 2011-12-29   onelife     Initial creation for EFM32GG_DK3750 board
  ******************************************************************************/
 
@@ -48,14 +48,14 @@ static rt_bool_t                            click;
 /* Private functions ---------------------------------------------------------*/
 /***************************************************************************//**
  * @brief
- *	Keys interrupt handler
+ *  Keys interrupt handler
  *
  * @details
  *
  * @note
  *
  * @param[in] device
- *	Pointer to device descriptor
+ *  Pointer to device descriptor
  ******************************************************************************/
 static void efm32_keys_isr(rt_device_t dev)
 {
@@ -158,18 +158,18 @@ static void efm32_keys_isr(rt_device_t dev)
 
 /***************************************************************************//**
  * @brief
- *	Keys timeout handler
+ *  Keys timeout handler
  *
  * @details
  *
  * @note
  *
  * @param[in] param
- *	Parameter
+ *  Parameter
  ******************************************************************************/
 static void efm32_keys_timer_isr(void *param)
 {
-	rt_uint16_t joystick;
+    rt_uint16_t joystick;
 
     joystick = DVK_getJoystick();
 
@@ -277,11 +277,11 @@ void efm32_hw_keys_init(void)
     GPIO_IntConfig(KEYS_INT_PORT, KEYS_INT_PIN, true, true, true);
 
     efm32_irq_hook_init_t hook;
-	hook.type       = efm32_irq_type_gpio;
-	hook.unit       = KEYS_INT_PIN;
-	hook.cbFunc     = efm32_keys_isr;
-	hook.userPtr    = RT_NULL;
-	efm32_irq_hook_register(&hook);
+    hook.type       = efm32_irq_type_gpio;
+    hook.unit       = KEYS_INT_PIN;
+    hook.cbFunc     = efm32_keys_isr;
+    hook.userPtr    = RT_NULL;
+    efm32_irq_hook_register(&hook);
 
     if ((rt_uint8_t)KEYS_INT_PIN % 2)
     {
@@ -299,12 +299,12 @@ void efm32_hw_keys_init(void)
     /* Enable DVK joystick interrupt */
     DVK_enableInterrupt(BC_INTEN_JOYSTICK);
 
-	rt_timer_init(&joy.timer,
-		"joy_tmr",
-		efm32_keys_timer_isr,
-		RT_NULL,
-		KEYS_POLL_TIME,
-		RT_TIMER_FLAG_PERIODIC);
+    rt_timer_init(&joy.timer,
+        "joy_tmr",
+        efm32_keys_timer_isr,
+        RT_NULL,
+        KEYS_POLL_TIME,
+        RT_TIMER_FLAG_PERIODIC);
 
     joy_dev.init        = efm32_keys_init;
     joy_dev.open        = RT_NULL;

bsp/efm32/dev_keys.h

@@ -1,8 +1,8 @@
 /***************************************************************************//**
- * @file 	dev_keys.h
- * @brief 	Keys driver of RT-Thread RTOS for EFM32
+ * @file    dev_keys.h
+ * @brief   Keys driver of RT-Thread RTOS for EFM32
  *  COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
+ * @author  onelife
  * @version 1.0
  *******************************************************************************
  * @section License
@@ -10,7 +10,7 @@
  *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
  *******************************************************************************
  * @section Change Logs
- * Date			Author		Notes
+ * Date         Author      Notes
  * 2011-12-29   onelife     Initial creation for EFM32GG_DK3750 board
  ******************************************************************************/
 #ifndef __DEV_KEYS_H__

bsp/efm32/dev_lcd.c

@@ -1,8 +1,8 @@
 /***************************************************************************//**
- * @file 	dev_lcd.c
- * @brief 	LCD driver of RT-Thread RTOS for EFM32
+ * @file    dev_lcd.c
+ * @brief   LCD driver of RT-Thread RTOS for EFM32
  *  COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
+ * @author  onelife
  * @version 1.0
  *******************************************************************************
  * @section License
@@ -10,7 +10,7 @@
  *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
  *******************************************************************************
  * @section Change Logs
- * Date			Author		Notes
+ * Date         Author      Notes
  * 2011-12-16   onelife     Initial creation of address mapped method (pixel
  *  drive) for EFM32GG_DK3750 board
  * 2011-12-29   onelife     Add direct drive method (frame buffer) support
@@ -451,48 +451,48 @@ rt_err_t efm32_spiLcd_writeRegister(rt_uint8_t reg, rt_uint16_t data)
 
 /***************************************************************************//**
  * @brief
- *	Register LCD device
+ *  Register LCD device
  *
  * @details
  *
  * @note
  *
  * @param[in] device
- *	Pointer to device descriptor
+ *  Pointer to device descriptor
  *
  * @param[in] name
- *	Device name
+ *  Device name
  *
  * @param[in] flag
- *	Configuration flags
+ *  Configuration flags
  *
  * @param[in] iic
- *	Pointer to IIC device descriptor
+ *  Pointer to IIC device descriptor
  *
  * @return
- *	Error code
+ *  Error code
  ******************************************************************************/
 rt_err_t efm32_spiLcd_register(
-	rt_device_t		                device,
-	const char		                *name,
-	rt_uint32_t		                flag,
-	void                            *data)
+    rt_device_t                     device,
+    const char                      *name,
+    rt_uint32_t                     flag,
+    void                            *data)
 {
-	RT_ASSERT(device != RT_NULL);
+    RT_ASSERT(device != RT_NULL);
 
-	device->type 		= RT_Device_Class_Graphic;
-	device->rx_indicate = RT_NULL;
-	device->tx_complete = RT_NULL;
-	device->init 		= RT_NULL;
-	device->open		= RT_NULL;
-	device->close		= RT_NULL;
-	device->read 		= RT_NULL;
-	device->write 		= RT_NULL;
-	device->control 	= efm32_spiLcd_control;
-	device->user_data	= data;
+    device->type        = RT_Device_Class_Graphic;
+    device->rx_indicate = RT_NULL;
+    device->tx_complete = RT_NULL;
+    device->init        = RT_NULL;
+    device->open        = RT_NULL;
+    device->close       = RT_NULL;
+    device->read        = RT_NULL;
+    device->write       = RT_NULL;
+    device->control     = efm32_spiLcd_control;
+    device->user_data   = data;
 
-	/* register a character device */
-	return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
+    /* register a character device */
+    return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
 }
 
 /***************************************************************************//**
@@ -511,18 +511,18 @@ void efm32_spiLcd_init(void)
     DMD_DisplayGeometry         *geometry;
     rt_uint32_t                 ret;
 
-	do
-	{
+    do
+    {
         USART_InitSync_TypeDef init = USART_INITSYNC_DEFAULT;
 
-		/* Find SPI device */
-		lcd = rt_device_find(LCD_USING_DEVICE_NAME);
-		if (lcd == RT_NULL)
-		{
-			lcd_debug("LCD err: Can't find %s!\n", LCD_USING_DEVICE_NAME);
-			break;
-		}
-		lcd_debug("LCD: Find device %s\n", LCD_USING_DEVICE_NAME);
+        /* Find SPI device */
+        lcd = rt_device_find(LCD_USING_DEVICE_NAME);
+        if (lcd == RT_NULL)
+        {
+            lcd_debug("LCD err: Can't find %s!\n", LCD_USING_DEVICE_NAME);
+            break;
+        }
+        lcd_debug("LCD: Find device %s\n", LCD_USING_DEVICE_NAME);
 
         /* Config CS pin */
         usart = (struct efm32_usart_device_t *)(lcd->user_data);
@@ -647,7 +647,7 @@ void efm32_spiLcd_init(void)
         }
 
         /* Init LCD info */
-		flag = RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_DMA_TX;
+        flag = RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_DMA_TX;
         lcd_info.pixel_format       = RTGRAPHIC_PIXEL_FORMAT_RGB565P;
         lcd_info.bits_per_pixel     = 16;
         lcd_info.width              = geometry->xSize;

bsp/efm32/dev_lcd.h

@@ -1,8 +1,8 @@
 /***************************************************************************//**
- * @file 	dev_lcd.h
- * @brief 	LCD driver of RT-Thread RTOS for EFM32
+ * @file    dev_lcd.h
+ * @brief   LCD driver of RT-Thread RTOS for EFM32
  *  COPYRIGHT (C) 2012, RT-Thread Development Team
- * @author 	onelife
+ * @author  onelife
  * @version 1.0
  *******************************************************************************
  * @section License
@@ -10,7 +10,7 @@
  *  LICENSE in this distribution or at http://www.rt-thread.org/license/LICENSE
  *******************************************************************************
  * @section Change Logs
- * Date			Author		Notes
+ * Date         Author      Notes
  * 2011-12-16   onelife     Initial creation of address mapped method (pixel
  *  drive) for EFM32GG_DK3750 board
  ******************************************************************************/

bsp/efm32/dev_sflash.h

@@ -20,85 +20,85 @@
 /* Exported types ------------------------------------------------------------*/
 enum sflash_inst_type_t
 {
-	/* Instruction only */
-	sflash_inst_wren = 0x00,
-	sflash_inst_wrdi,
-	sflash_inst_rdid_l,
-	sflash_inst_rdid_s,
-	sflash_inst_rdsr,
-	sflash_inst_wrsr,
-	sflash_inst_be,
-	sflash_inst_dp,
-	sflash_inst_rdp,
-	/* Instruction and address */
-	sflash_inst_wrlr,
-	sflash_inst_rdlr,
-	sflash_inst_read,
-	sflash_inst_potp,
-	sflash_inst_pp,
-	sflash_inst_difp,
-	sflash_inst_sse,
-	sflash_inst_se,
-	/* Instruction, address and dummy read */
-	sflash_inst_read_f,
-	sflash_inst_dofr,
-	sflash_inst_rotp
+    /* Instruction only */
+    sflash_inst_wren = 0x00,
+    sflash_inst_wrdi,
+    sflash_inst_rdid_l,
+    sflash_inst_rdid_s,
+    sflash_inst_rdsr,
+    sflash_inst_wrsr,
+    sflash_inst_be,
+    sflash_inst_dp,
+    sflash_inst_rdp,
+    /* Instruction and address */
+    sflash_inst_wrlr,
+    sflash_inst_rdlr,
+    sflash_inst_read,
+    sflash_inst_potp,
+    sflash_inst_pp,
+    sflash_inst_difp,
+    sflash_inst_sse,
+    sflash_inst_se,
+    /* Instruction, address and dummy read */
+    sflash_inst_read_f,
+    sflash_inst_dofr,
+    sflash_inst_rotp
 };
 
 /* Exported constants --------------------------------------------------------*/
 /* Exported macro ------------------------------------------------------------*/
-#define SFLASH_SPI_COMMAND_SKIP 	(1)
-#define SFLASH_SPI_READ_SKIP 		(2)
+#define SFLASH_SPI_COMMAND_SKIP     (1)
+#define SFLASH_SPI_READ_SKIP        (2)
 
-#define SFLASH_INST_CODE_WREN 		(0x06)
-#define SFLASH_INST_CODE_WRDI 		(0x04)
-#define SFLASH_INST_CODE_RDID_L 	(0x9F)
-#define SFLASH_INST_CODE_RDID_S 	(0x9E)
-#define SFLASH_INST_CODE_RDSR 		(0x05)
-#define SFLASH_INST_CODE_WRSR 		(0x01)
-#define SFLASH_INST_CODE_WRLR 		(0xE5)
-#define SFLASH_INST_CODE_RDLR 		(0xE8)
-#define SFLASH_INST_CODE_READ 		(0x03)
-#define SFLASH_INST_CODE_READ_F 	(0x0B)
-#define SFLASH_INST_CODE_DOFR 		(0x3B)
-#define SFLASH_INST_CODE_ROTP 		(0x4B)
-#define SFLASH_INST_CODE_POTP 		(0x42)
-#define SFLASH_INST_CODE_PP 		(0x02)
-#define SFLASH_INST_CODE_DIFP 		(0xA2)
-#define SFLASH_INST_CODE_SSE 		(0x20)
-#define SFLASH_INST_CODE_SE 		(0xD8)
-#define SFLASH_INST_CODE_BE 		(0xC7)
-#define SFLASH_INST_CODE_DP 		(0xB9)
-#define SFLASH_INST_CODE_RDP 		(0xAB)
+#define SFLASH_INST_CODE_WREN       (0x06)
+#define SFLASH_INST_CODE_WRDI       (0x04)
+#define SFLASH_INST_CODE_RDID_L     (0x9F)
+#define SFLASH_INST_CODE_RDID_S     (0x9E)
+#define SFLASH_INST_CODE_RDSR       (0x05)
+#define SFLASH_INST_CODE_WRSR       (0x01)
+#define SFLASH_INST_CODE_WRLR       (0xE5)
+#define SFLASH_INST_CODE_RDLR       (0xE8)
+#define SFLASH_INST_CODE_READ       (0x03)
+#define SFLASH_INST_CODE_READ_F     (0x0B)
+#define SFLASH_INST_CODE_DOFR       (0x3B)
+#define SFLASH_INST_CODE_ROTP       (0x4B)
+#define SFLASH_INST_CODE_POTP       (0x42)
+#define SFLASH_INST_CODE_PP         (0x02)
+#define SFLASH_INST_CODE_DIFP       (0xA2)
+#define SFLASH_INST_CODE_SSE        (0x20)
+#define SFLASH_INST_CODE_SE         (0xD8)
+#define SFLASH_INST_CODE_BE         (0xC7)
+#define SFLASH_INST_CODE_DP         (0xB9)
+#define SFLASH_INST_CODE_RDP        (0xAB)
 
-#define SFLASH_REPLY_LEN_WREN 		(0)
-#define SFLASH_REPLY_LEN_WRDI 		(0)
-#define SFLASH_REPLY_LEN_RDID_L 	(20)
-#define SFLASH_REPLY_LEN_RDID_S 	(3)
-#define SFLASH_REPLY_LEN_RDSR 		(1)
-#define SFLASH_REPLY_LEN_WRSR 		(1)
-#define SFLASH_REPLY_LEN_WRLR 		(1)
-#define SFLASH_REPLY_LEN_RDLR 		(1)
-#define SFLASH_REPLY_LEN_READ 		(-1)
-#define SFLASH_REPLY_LEN_READ_F 	(-1)
-#define SFLASH_REPLY_LEN_DOFR 		(-1)
-#define SFLASH_REPLY_LEN_ROTP 		(65)
-#define SFLASH_REPLY_LEN_POTP 		(65)
-#define SFLASH_REPLY_LEN_PP 		(256)
-#define SFLASH_REPLY_LEN_DIFP 		(256)
-#define SFLASH_REPLY_LEN_SSE 		(0)
-#define SFLASH_REPLY_LEN_SE 		(0)
-#define SFLASH_REPLY_LEN_BE 		(0)
-#define SFLASH_REPLY_LEN_DP 		(0)
-#define SFLASH_REPLY_LEN_RDP 		(0)
+#define SFLASH_REPLY_LEN_WREN       (0)
+#define SFLASH_REPLY_LEN_WRDI       (0)
+#define SFLASH_REPLY_LEN_RDID_L     (20)
+#define SFLASH_REPLY_LEN_RDID_S     (3)
+#define SFLASH_REPLY_LEN_RDSR       (1)
+#define SFLASH_REPLY_LEN_WRSR       (1)
+#define SFLASH_REPLY_LEN_WRLR       (1)
+#define SFLASH_REPLY_LEN_RDLR       (1)
+#define SFLASH_REPLY_LEN_READ       (-1)
+#define SFLASH_REPLY_LEN_READ_F     (-1)
+#define SFLASH_REPLY_LEN_DOFR       (-1)
+#define SFLASH_REPLY_LEN_ROTP       (65)
+#define SFLASH_REPLY_LEN_POTP       (65)
+#define SFLASH_REPLY_LEN_PP         (256)
+#define SFLASH_REPLY_LEN_DIFP       (256)
+#define SFLASH_REPLY_LEN_SSE        (0)
+#define SFLASH_REPLY_LEN_SE         (0)
+#define SFLASH_REPLY_LEN_BE         (0)
+#define SFLASH_REPLY_LEN_DP         (0)
+#define SFLASH_REPLY_LEN_RDP        (0)
 
 /* Exported functions ------------------------------------------------------- */
 rt_err_t efm_spiFlash_init(void);
 rt_err_t efm_spiFlash_deinit(void);
 rt_uint32_t efm_spiFlash_cmd(
-	enum sflash_inst_type_t command,
-	rt_uint32_t address,
-	rt_uint8_t *buffer,
-	rt_uint32_t size);
+    enum sflash_inst_type_t command,
+    rt_uint32_t address,
+    rt_uint8_t *buffer,
+    rt_uint32_t size);
 
 #endif /* __DEV_SFLASH_H__ */

bsp/efm32/drv_acmp.h

@@ -23,24 +23,24 @@
 /* Exported types ------------------------------------------------------------*/
 struct efm32_acmp_device_t
 {
-	ACMP_TypeDef 		*acmp_device;
-	efm32_irq_hook_t 	hook;
+    ACMP_TypeDef        *acmp_device;
+    efm32_irq_hook_t    hook;
 };
 
 struct efm32_acmp_output_t
 {
-	rt_uint32_t 		location;
-	rt_bool_t 			enable;
-	rt_bool_t 			invert;
+    rt_uint32_t         location;
+    rt_bool_t           enable;
+    rt_bool_t           invert;
 };
 
 struct efm32_acmp_control_t
 {
-	ACMP_Init_TypeDef			*init;
-	ACMP_Channel_TypeDef		posInput;
-	ACMP_Channel_TypeDef		negInput;
-	struct efm32_acmp_output_t 	*output;
-	efm32_irq_hook_t 			hook;
+    ACMP_Init_TypeDef           *init;
+    ACMP_Channel_TypeDef        posInput;
+    ACMP_Channel_TypeDef        negInput;
+    struct efm32_acmp_output_t  *output;
+    efm32_irq_hook_t            hook;
 };
 
 /* Exported constants --------------------------------------------------------*/