Merge pull request #3706 from guohp1128/guohp

提交nrf5x的gpio驱动

bsp/nrf5x/libraries/drivers/drv_gpio.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author            Notes
+ * 2020-06-16     guohp1128         first version
+ */
+
+#ifndef __DRV_GPIO_H__
+#define __DRV_GPIO_H__
+
+#include <board.h>
+#include <rtdevice.h>
+#include <nrf52840.h>
+#include <hal/nrf_gpio.h>
+#include <drivers/include/nrfx_gpiote.h>
+
+#define __NRF5X_PORT(port)  NRF_P##port##_BASE
+
+#define GET_PIN(PORTx,PIN) (rt_base_t)((32 * ( ((rt_base_t)__NRF5X_PORT(PORTx) - (rt_base_t)NRF_P0_BASE)/(0x0300UL) )) + PIN)
+
+#define __NRF5X_PIN(index, gpio, gpio_index)                                \
+    {                                                                       \
+        index, NRF_P##gpio, gpio_index                                      \
+    }
+
+#define __NRF5X_PIN_RESERVE                                                 \
+    {                                                                       \
+        -1, 0, 0                                                            \
+    }
+
+/* nrf5x GPIO driver */
+struct pin_index
+{
+    int index;
+    NRF_GPIO_Type *gpio;//NRF_P0 or NRF_P1
+    uint32_t pin;
+};
+
+static void nrf5x_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value);
+static int nrf5x_pin_read(rt_device_t dev, rt_base_t pin);
+static void nrf5x_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode);
+static rt_err_t nrf5x_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+                                     rt_uint32_t mode, void (*hdr)(void *args), void *args);
+static rt_err_t nrf5x_pin_dettach_irq(struct rt_device *device, rt_int32_t pin);
+static rt_err_t nrf5x_pin_irq_enable(struct rt_device *device, rt_base_t pin,
+                                     rt_uint32_t enabled);
+int rt_hw_pin_init(void);
+
+#endif /* __DRV_GPIO_H__ */
+

bsp/nrf5x/nrf52840/applications/application.c

@@ -25,25 +25,23 @@
 #include <shell.h>
 #endif
 
-#include <nrf_gpio.h>
+#include <drv_gpio.h>
 #define DK_BOARD_LED_1  13
 
 int main(void)
 {
-    int count = 1;
-    nrf_gpio_cfg_output(DK_BOARD_LED_1);
-
+    int count = 1; 
+    rt_pin_mode(DK_BOARD_LED_1, PIN_MODE_OUTPUT);
+    
     while (count++)
-    {
-        nrf_gpio_pin_set(DK_BOARD_LED_1);
+    {    
+        rt_pin_write(DK_BOARD_LED_1, PIN_HIGH);
         rt_thread_mdelay(500);
         
-        nrf_gpio_pin_clear(DK_BOARD_LED_1);
-        rt_thread_mdelay(500);
-
+        rt_pin_write(DK_BOARD_LED_1, PIN_LOW);
+        rt_thread_mdelay(500);                    
     }
     return RT_EOK;
 }
 
-
 /*@}*/

bsp/nrf5x/nrf52840/board/board.c

@@ -3,6 +3,7 @@
 #include <nrfx_systick.h>
 
 #include "board.h"
+#include "drv_gpio.h"
 #include "drv_uart.h"
 
 void SysTick_Configuration(void)
@@ -47,6 +48,11 @@ void rt_hw_board_init(void)
     rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
 #endif
     
+/* Pin driver initialization is open by default */
+#ifdef RT_USING_PIN
+    rt_hw_pin_init();
+#endif
+	
 #ifdef RT_USING_SERIAL
     rt_hw_uart_init();
 #endif

bsp/nrf5x/nrf52840/board/board.h

@@ -2,7 +2,7 @@
 #define _BOARD_H_
 
 #include <rtthread.h>
-
+#include <rthw.h>
 #include "nrf.h"
 
 #define MCU_FLASH_SIZE MCU_FLASH_SIZE_KB*1024

bsp/nrf5x/nrf52840/board/sdk_config.h

@@ -1898,7 +1898,7 @@
 // <e> NRFX_GPIOTE_ENABLED - nrfx_gpiote - GPIOTE peripheral driver
 //==========================================================
 #ifndef NRFX_GPIOTE_ENABLED
-#define NRFX_GPIOTE_ENABLED 0
+#define NRFX_GPIOTE_ENABLED 1
 #endif
 // <o> NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS - Number of lower power input pins 
 #ifndef NRFX_GPIOTE_CONFIG_NUM_OF_LOW_POWER_EVENTS