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[bsp/ls1cdev]

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1、uart驱动重写，采用uart驱动框架
2、添加并修改勤为本ls1c_uart
3、开启main为用户程序入口，删除application.c和startup.c,并对初始化部分做相应调整更新。
4、开启dhcp
This commit is contained in:
zhuangwei123
2018-05-10 22:20:37 +08:00
parent c136242986
commit 6725dfa598
16 changed files with 821 additions and 567 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bsp/ls1cdev/.config
+40 -2
View File
@@ -57,7 +57,8 @@ CONFIG_RT_CONSOLE_DEVICE_NAME="uart2"
# RT-Thread Components
#
CONFIG_RT_USING_COMPONENTS_INIT=y
# CONFIG_RT_USING_USER_MAIN is not set
CONFIG_RT_USING_USER_MAIN=y
CONFIG_RT_MAIN_THREAD_STACK_SIZE=2048
#
# C++ features
@@ -73,6 +74,7 @@ CONFIG_FINSH_USING_HISTORY=y
CONFIG_FINSH_HISTORY_LINES=5
CONFIG_FINSH_USING_SYMTAB=y
CONFIG_FINSH_USING_DESCRIPTION=y
# CONFIG_FINSH_ECHO_DISABLE_DEFAULT is not set
CONFIG_FINSH_THREAD_PRIORITY=20
CONFIG_FINSH_THREAD_STACK_SIZE=4096
CONFIG_FINSH_CMD_SIZE=80
@@ -168,7 +170,9 @@ CONFIG_RT_LWIP_IGMP=y
CONFIG_RT_LWIP_ICMP=y
# CONFIG_RT_LWIP_SNMP is not set
CONFIG_RT_LWIP_DNS=y
# CONFIG_RT_LWIP_DHCP is not set
CONFIG_RT_LWIP_DHCP=y
CONFIG_IP_SOF_BROADCAST=1
CONFIG_IP_SOF_BROADCAST_RECV=1
#
# Static IPv4 Address
@@ -227,6 +231,13 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
#
# system packages
#
#
# RT-Thread GUI Engine
#
# CONFIG_PKG_USING_GUIENGINE is not set
# CONFIG_PKG_USING_LVGL is not set
# CONFIG_PKG_USING_LWEXT4 is not set
# CONFIG_PKG_USING_PARTITION is not set
# CONFIG_PKG_USING_SQLITE is not set
# CONFIG_PKG_USING_RTI is not set
@@ -239,14 +250,34 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
# CONFIG_PKG_USING_MONGOOSE is not set
# CONFIG_PKG_USING_WEBTERMINAL is not set
# CONFIG_PKG_USING_CJSON is not set
# CONFIG_PKG_USING_LJSON is not set
# CONFIG_PKG_USING_EZXML is not set
# CONFIG_PKG_USING_NANOPB is not set
# CONFIG_PKG_USING_GAGENT_CLOUD is not set
#
# Wi-Fi
#
#
# Marvell WiFi
#
# CONFIG_PKG_USING_WLANMARVELL is not set
#
# Wiced WiFi
#
# CONFIG_PKG_USING_WLAN_WICED is not set
# CONFIG_PKG_USING_COAP is not set
# CONFIG_PKG_USING_NOPOLL is not set
# CONFIG_PKG_USING_NETUTILS is not set
#
# security packages
#
# CONFIG_PKG_USING_MBEDTLS is not set
# CONFIG_PKG_USING_libsodium is not set
# CONFIG_PKG_USING_TINYCRYPT is not set
#
# language packages
@@ -257,19 +288,26 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
#
# multimedia packages
#
# CONFIG_PKG_USING_OPENMV is not set
#
# tools packages
#
# CONFIG_PKG_USING_CMBACKTRACE is not set
# CONFIG_PKG_USING_EASYFLASH is not set
# CONFIG_PKG_USING_EASYLOGGER is not set
# CONFIG_PKG_USING_SYSTEMVIEW is not set
# CONFIG_PKG_USING_IPERF is not set
#
# miscellaneous packages
#
# CONFIG_PKG_USING_FASTLZ is not set
# CONFIG_PKG_USING_MINILZO is not set
# CONFIG_PKG_USING_QUICKLZ is not set
# CONFIG_PKG_USING_MULTIBUTTON is not set
# CONFIG_PKG_USING_SAMPLES is not set
# CONFIG_PKG_USING_CANFESTIVAL is not set
#
# example package: hello
bsp/ls1cdev/applications/application.c
-61
View File
@@ -1,61 +0,0 @@
/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2012, RT-Thread Develop 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
*
* Change Logs:
* Date Author Notes
* 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B
* 2015-07-06 chinesebear modified for Loongson LS1C
* 2018-02-08 sundm75 modified for Loongson LS1C SmartLoongV3
*/
#include <rtthread.h>
#include "net/synopGMAC.h"
#include <lwip/api.h>
void rt_init_thread_entry(void *parameter)
{
#ifdef RT_USING_COMPONENTS_INIT
/* initialization RT-Thread Components */
rt_components_init();
#endif
#if defined(RT_USING_DFS) && defined(RT_USING_DFS_ELMFAT)
/* mount sd card fat partition 1 as root directory */
if( dfs_mount("sd0", "/", "elm", 0, 0) == 0)
{
rt_kprintf("File System initialized!\n");
}
else
{
rt_kprintf("File System initialzation failed!\n");
}
#endif /* RT_USING_DFS && RT_USING_DFS_ELMFAT */
/*网口EMAC初始化*/
rt_hw_eth_init();
#if defined(RT_USING_RTGUI)
/*触摸屏使用SPI总线SPI1 CS0 初始化*/
rtgui_touch_hw_init("spi10");
#endif
}
int rt_application_init(void)
{
rt_thread_t tid;
/* create initialization thread */
tid = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
4096, RT_THREAD_PRIORITY_MAX/3, 20);
if (tid != RT_NULL)
rt_thread_startup(tid);
return 0;
}
bsp/ls1cdev/applications/main.c
+30
View File
@@ -0,0 +1,30 @@
/*
* File : main.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2008 - 2017, 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.
*
* Change Logs:
* Date Author Notes
* 2018-05-10 zhuangwei first version
*/
#include <rtthread.h>
int main(int argc, char** argv)
{
return 0;
}
bsp/ls1cdev/applications/startup.c
-93
View File
@@ -1,93 +0,0 @@
/*
* File : startup.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2012, RT-Thread Develop 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
*
* Change Logs:
* Date Author Notes
* 2010-06-25 Bernard first version
* 2011-08-08 lgnq modified for Loongson LS1B
* 2015-07-06 chinesebear modified for Loongson LS1C
*/
#include <rthw.h>
#include <rtthread.h>
#include "board.h"
#define A_K0BASE 0x80000000
/**
* @addtogroup Loongson LS1B
*/
/*@{*/
extern unsigned char __bss_end;
extern int rt_application_init(void);
extern void tlb_refill_exception(void);
extern void general_exception(void);
extern void irq_exception(void);
extern void rt_hw_cache_init(void);
extern void invalidate_writeback_dcache_all(void);
extern void invalidate_icache_all(void);
/**
* This function will startup RT-Thread RTOS.
*/
void rtthread_startup(void)
{
/* disable interrupt first */
rt_hw_interrupt_disable();
/* init cache */
rt_hw_cache_init();
/* init hardware interrupt */
rt_hw_interrupt_init();
/* copy vector */
rt_memcpy((void *)A_K0BASE, tlb_refill_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x80);
invalidate_writeback_dcache_all();
invalidate_icache_all();
/* init board */
rt_hw_board_init();
/* show version */
rt_show_version();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif
/* init scheduler system */
rt_system_scheduler_init();
/* initialize timer */
rt_system_timer_init();
/* initialize timer thread */
rt_system_timer_thread_init();
/* init idle thread */
rt_thread_idle_init();
/* init application */
rt_application_init();
/* start scheduler */
rt_system_scheduler_start();
/* never reach here */
return;
}
/*@}*/
bsp/ls1cdev/drivers/board.c
+32 -38
View File
@@ -18,9 +18,22 @@
#include <rthw.h>
#include "board.h"
#include "uart.h"
#include "drv_uart.h"
#include "ls1c.h"
#define A_K0BASE 0x80000000
extern unsigned char __bss_end;
extern void tlb_refill_exception(void);
extern void general_exception(void);
extern void irq_exception(void);
extern void rt_hw_cache_init(void);
extern void invalidate_writeback_dcache_all(void);
extern void invalidate_icache_all(void);
/**
* @addtogroup Loongson LS1B
*/
@@ -81,6 +94,24 @@ void rt_hw_fpu_init(void)
*/
void rt_hw_board_init(void)
{
/* init cache */
rt_hw_cache_init();
/* init hardware interrupt */
rt_hw_interrupt_init();
/* copy vector */
rt_memcpy((void *)A_K0BASE, tlb_refill_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x180), general_exception, 0x80);
rt_memcpy((void *)(A_K0BASE + 0x200), irq_exception, 0x80);
invalidate_writeback_dcache_all();
invalidate_icache_all();
#ifdef RT_USING_HEAP
rt_system_heap_init((void*)&__bss_end, (void*)RT_HW_HEAP_END);
#endif
#ifdef RT_USING_SERIAL
/* init hardware UART device */
rt_hw_uart_init();
@@ -105,41 +136,4 @@ void rt_hw_board_init(void)
rt_kprintf("current sr: 0x%08x\n", read_c0_status());
}
#define __raw_out_put(unr) \
while (*ptr) \
{ \
if (*ptr == '\n') \
{ \
/* FIFO status, contain valid data */ \
while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \
/* write data */ \
UART_DAT(UART##unr##_BASE) = '\r'; \
} \
/* FIFO status, contain valid data */ \
while (!(UART_LSR(UART##unr##_BASE) & (UARTLSR_TE | UARTLSR_TFE))); \
/* write data */ \
UART_DAT(UART##unr##_BASE) = *ptr; \
ptr ++; \
}
/* UART line status register value */
#define UARTLSR_ERROR (1 << 7)
#define UARTLSR_TE (1 << 6)
#define UARTLSR_TFE (1 << 5)
#define UARTLSR_BI (1 << 4)
#define UARTLSR_FE (1 << 3)
#define UARTLSR_PE (1 << 2)
#define UARTLSR_OE (1 << 1)
#define UARTLSR_DR (1 << 0)
void rt_hw_console_output(const char *ptr)
{
#if defined(RT_USING_UART0)
__raw_out_put(0);
#elif defined(RT_USING_UART2)
__raw_out_put(2);
#elif defined(RT_USING_UART3)
__raw_out_put(3);
#endif
}
/*@}*/
bsp/ls1cdev/drivers/drv_uart.c
+177
View File
@@ -0,0 +1,177 @@
/*
* File : drv_uart.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2008 - 2016, 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.
*
* Change Logs:
* Date Author Notes
* 2018-05-08 zhuangwei the first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rthw.h>
#include "drv_uart.h"
#include "ls1c_pin.h"
#include "ls1c_uart.h"
/* STM32 uart driver */
struct rt_uart_ls1c
{
ls1c_uart_t UARTx;
rt_uint32_t IRQ;
};
static rt_err_t ls1c_uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
struct rt_uart_ls1c *uart_dev = RT_NULL;
ls1c_uart_info_t uart_info = {0};
RT_ASSERT(serial != RT_NULL);
RT_ASSERT(cfg != RT_NULL);
uart_dev = (struct rt_uart_ls1c *)serial->parent.user_data;
// 初始化串口
uart_info.UARTx = uart_dev->UARTx;
uart_info.baudrate = cfg->baud_rate;
uart_info.rx_enable= TRUE;
uart_init(&uart_info);
return RT_EOK;
}
static rt_err_t ls1c_uart_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct rt_uart_ls1c *uart_dev = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart_dev = (struct rt_uart_ls1c *)serial->parent.user_data;
switch (cmd)
{
case RT_DEVICE_CTRL_CLR_INT: /* disable rx irq */
rt_hw_interrupt_mask(uart_dev->IRQ);
break;
case RT_DEVICE_CTRL_SET_INT: /* enable rx irq */
rt_hw_interrupt_umask(uart_dev->IRQ);
break;
default:
break;
}
return RT_EOK;
}
static int ls1c_uart_putc(struct rt_serial_device *serial, char c)
{
struct rt_uart_ls1c *uart_dev = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart_dev = (struct rt_uart_ls1c *)serial->parent.user_data;
uart_putc(uart_dev->UARTx, c);
return 1;
}
static int ls1c_uart_getc(struct rt_serial_device *serial)
{
struct rt_uart_ls1c *uart_dev = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart_dev = (struct rt_uart_ls1c *)serial->parent.user_data;
void *uart_base = uart_get_base(uart_dev->UARTx);
if(LSR_RXRDY & reg_read_8(uart_base + LS1C_UART_LSR_OFFSET))
{
return reg_read_8(uart_base + LS1C_UART_DAT_OFFSET);
}
return -1;
}
/* UART interrupt handler */
static void uart_irq_handler(int vector, void *param)
{
struct rt_serial_device *serial = (struct rt_serial_device*)param;
struct rt_uart_ls1c *uart_dev = RT_NULL;
RT_ASSERT(serial != RT_NULL);
uart_dev = (struct rt_uart_ls1c *)serial->parent.user_data;
void *uart_base = uart_get_base(uart_dev->UARTx);
unsigned char iir = reg_read_8(uart_base + LS1C_UART_IIR_OFFSET);
// 判断是否为接收超时或接收到有效数据
if ((IIR_RXTOUT & iir) || (IIR_RXRDY & iir))
{
rt_interrupt_enter();
rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
rt_interrupt_leave();
}
}
static const struct rt_uart_ops stm32_uart_ops =
{
ls1c_uart_configure,
ls1c_uart_control,
ls1c_uart_putc,
ls1c_uart_getc,
};
#if defined(RT_USING_UART2)
struct rt_uart_ls1c uart2 =
{
LS1C_UART2,
LS1C_UART2_IRQ,
};
struct rt_serial_device serial2;
#endif /* RT_USING_UART1 */
void rt_hw_uart_init(void)
{
struct rt_uart_ls1c *uart;
struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
#ifdef RT_USING_UART2
uart = &uart2;
serial2.ops = &stm32_uart_ops;
serial2.config = config;
pin_set_purpose(36, PIN_PURPOSE_OTHER);
pin_set_purpose(37, PIN_PURPOSE_OTHER);
pin_set_remap(36, PIN_REMAP_SECOND);
pin_set_remap(37, PIN_REMAP_SECOND);
rt_hw_interrupt_install(uart->IRQ, uart_irq_handler, &serial2, "UART2");
/* register UART1 device */
rt_hw_serial_register(&serial2,
"uart2",
//RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_DMA_RX,
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX,
uart);
#endif /* RT_USING_UART1 */
}
bsp/ls1cdev/drivers/uart.h → bsp/ls1cdev/drivers/drv_uart.h
+7 -7
View File
@@ -1,20 +1,19 @@
/*
* File : uart.h
* File : drv_uart.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006-2012, RT-Thread Develop Team
* COPYRIGHT (C) 2009, 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
*
* Change Logs:
* Date Author Notes
* 2011-08-08 lgnq first version for LS1B
* 2015-07-06 chinesebear modified for loongson 1c
* Date Author Notes
* 2018-05-08 zhuangwei the first version
*/
#ifndef __UART_H__
#define __UART_H__
#ifndef __DRV_UART_H__
#define __DRV_UART_H__
#include "ls1c.h"
@@ -100,4 +99,5 @@
void rt_hw_uart_init(void);
#endif
bsp/ls1cdev/drivers/net/synopGMAC.c
+6 -1
View File
@@ -860,7 +860,7 @@ void eth_rx_irq(int irqno,void *param)
return;
}
void rt_hw_eth_init(void)
int rt_hw_eth_init(void)
{
u64 base_addr = Gmac_base;
struct synopGMACNetworkAdapter * synopGMACadapter;
@@ -925,4 +925,9 @@ void rt_hw_eth_init(void)
eth_dev.parent.eth_rx = rt_eth_rx;
eth_device_init(&(eth_dev.parent), "e0");
return 0;
}
INIT_DEVICE_EXPORT(rt_hw_eth_init);
bsp/ls1cdev/drivers/net/synopGMAC.h
+1 -1
View File
@@ -32,6 +32,6 @@
#include "mii.h"
#include "synopGMAC_types.h"
void rt_hw_eth_init(void);
int rt_hw_eth_init(void);
#endif /*__SYNOPGMAC__H*/
bsp/ls1cdev/drivers/net/synopGMAC_plat.h
+2 -2
View File
@@ -117,8 +117,8 @@ typedef int bool;
*/
//sw: nothing to display
#define TR0(fmt, args...) rt_kprintf(fmt, ##args)
#define TR(fmt, args...) rt_kprintf(fmt, ##args)
#define TR0(fmt, args...) //rt_kprintf(fmt, ##args)
#define TR(fmt, args...) //rt_kprintf(fmt, ##args)
//#define TR rt_kprintf
//typedef int bool;
bsp/ls1cdev/drivers/uart.c
-286
View File
File diff suppressed because it is too large Load Diff
bsp/ls1cdev/kconfig
+2 -2
View File
@@ -16,8 +16,8 @@ config $PKGS_DIR
option env="PKGS_ROOT"
default "packages"
source "$RTT_DIR/KConfig"
source "$PKGS_DIR/KConfig"
source "$RTT_DIR/Kconfig"
source "$PKGS_DIR/Kconfig"
if RT_USING_SERIAL
config RT_USING_UART2
bsp/ls1cdev/libraries/ls1c_regs.h
+12 -1
View File
@@ -125,9 +125,20 @@
// 串口寄存器
#define LS1C_UART0_BASE (0xbfe40000)
#define LS1C_UART00_BASE (0xbfe40000)
#define LS1C_UART01_BASE (0xbfe41000)
#define LS1C_UART1_BASE (0xbfe44000)
#define LS1C_UART2_BASE (0xbfe48000)
#define LS1C_UART3_BASE (0xbfe4c000)
#define LS1C_UART4_BASE (0xbfe4c400)
#define LS1C_UART5_BASE (0xbfe4c500)
#define LS1C_UART6_BASE (0xbfe4c600)
#define LS1C_UART7_BASE (0xbfe4c700)
#define LS1C_UART8_BASE (0xbfe4c800)
#define LS1C_UART9_BASE (0xbfe4c900)
#define LS1C_UART10_BASE (0xbfe4ca00)
#define LS1C_UART11_BASE (0xbfe4cb00)
#endif
bsp/ls1cdev/libraries/ls1c_uart.c
+316
View File
File diff suppressed because it is too large Load Diff
bsp/ls1cdev/libraries/ls1c_uart.h
+180
View File
@@ -0,0 +1,180 @@
// 串口相关头文件
#ifndef __OPENLOONGSON_UART_H
#define __OPENLOONGSON_UART_H
#include "ls1c_public.h"
// 串口各寄存器相对基地址的偏移
#define LS1C_UART_DAT_OFFSET (0)
#define LS1C_UART_IER_OFFSET (1)
#define LS1C_UART_IIR_OFFSET (2)
#define LS1C_UART_FCR_OFFSET (2)
#define LS1C_UART_LCR_OFFSET (3)
#define LS1C_UART_MCR_OFFSET (4)
#define LS1C_UART_LSR_OFFSET (5)
#define LS1C_UART_MSR_OFFSET (6)
#define LS1C_UART_LSB_OFFSET (0) // 分频锁存器1
#define LS1C_UART_MSB_OFFSET (1) // 分频锁存器2
/* interrupt enable register */
#define IER_IRxE 0x1 /* 接收有效数据中断使能 */
#define IER_ITxE 0x2 /* 传输保存寄存器为空中断使能 */
#define IER_ILE 0x4 /* 接收器线路状态中断使能 */
#define IER_IME 0x8 /* Modem状态中断使能 */
/* interrupt identification register */
#define IIR_IMASK 0xf /* mask */
#define IIR_RXTOUT 0xc /* receive timeout */
#define IIR_RLS 0x6 /* receive line status */
#define IIR_RXRDY 0x4 /* receive ready */
#define IIR_TXRDY 0x2 /* transmit ready */
#define IIR_NOPEND 0x1 /* nothing */
#define IIR_MLSC 0x0 /* modem status */
#define IIR_FIFO_MASK 0xc0 /* set if FIFOs are enabled */
/* fifo control register */
#define FIFO_ENABLE 0x01 /* enable fifo */
#define FIFO_RCV_RST 0x02 /* reset receive fifo */
#define FIFO_XMT_RST 0x04 /* reset transmit fifo */
#define FIFO_DMA_MODE 0x08 /* enable dma mode */
#define FIFO_TRIGGER_1 0x00 /* trigger at 1 char */
#define FIFO_TRIGGER_4 0x40 /* trigger at 4 chars */
#define FIFO_TRIGGER_8 0x80 /* trigger at 8 chars */
#define FIFO_TRIGGER_14 0xc0 /* trigger at 14 chars */
// 线路控制寄存器
/* character format control register */
#define CFCR_DLAB 0x80 /* divisor latch */
#define CFCR_SBREAK 0x40 /* send break */
#define CFCR_PZERO 0x30 /* zero parity */
#define CFCR_PONE 0x20 /* one parity */
#define CFCR_PEVEN 0x10 /* even parity */
#define CFCR_PODD 0x00 /* odd parity */
#define CFCR_PENAB 0x08 /* parity enable */
#define CFCR_STOPB 0x04 /* 2 stop bits */
#define CFCR_8BITS 0x03 /* 8 data bits */
#define CFCR_7BITS 0x02 /* 7 data bits */
#define CFCR_6BITS 0x01 /* 6 data bits */
#define CFCR_5BITS 0x00 /* 5 data bits */
/* modem control register */
#define MCR_LOOPBACK 0x10 /* loopback */
#define MCR_IENABLE 0x08 /* output 2 = int enable */
#define MCR_DRS 0x04 /* output 1 = xxx */
#define MCR_RTS 0x02 /* enable RTS */
#define MCR_DTR 0x01 /* enable DTR */
/* line status register */
#define LSR_RCV_FIFO 0x80 /* error in receive fifo */
#define LSR_TSRE 0x40 /* transmitter empty */
#define LSR_TXRDY 0x20 /* transmitter ready */
#define LSR_BI 0x10 /* break detected */
#define LSR_FE 0x08 /* framing error */
#define LSR_PE 0x04 /* parity error */
#define LSR_OE 0x02 /* overrun error */
#define LSR_RXRDY 0x01 /* receiver ready */
#define LSR_RCV_MASK 0x1f
// 串口模块编号
typedef enum
{
LS1C_UART00 = 0, // 全功能串口UART0可以分为两个四线串口UART00和UART01
LS1C_UART01,
LS1C_UART1,
LS1C_UART2,
LS1C_UART3,
LS1C_UART4,
LS1C_UART5,
LS1C_UART6,
LS1C_UART7,
LS1C_UART8,
LS1C_UART9,
LS1C_UART10,
LS1C_UART11
}ls1c_uart_t;
// 串口信息
typedef struct
{
ls1c_uart_t UARTx; // 串口模块编号
unsigned int baudrate; // 波特率
BOOL rx_enable; // 是否需要使用串口接收数据(使能接收中断)，发送默认使能
}ls1c_uart_info_t;
/*
* 获取指定串口模块的基地址
* @UARTx 串口编号
* @ret 基地址
*/
void *uart_get_base(ls1c_uart_t UARTx);
/*
* 初始化指定的串口模块
* @uart_info_p 串口模块信息
*/
void uart_init(ls1c_uart_info_t *uart_info_p);
/*
* 初始化串口2
*/
void uart2_init(void);
/*
* 在串口2上打印字符串
* @str 待打印的字符串
*/
void uart2_print(const char *str);
/*
* 在调试串口打印字符串
* @str 待打印的字符串
*/
void uart_debug_print(const char *str);
/*
* 在调试串口打印一个字符
* @ch 待打印的字符
*/
void uart_debug_putc(unsigned char ch);
/*
* 把中断号转换为串口号
* @IRQn 中断号
* @ret 串口号
*/
ls1c_uart_t uart_irqn_to_uartx(int IRQn);
/*
* 发送一个字节
* @uartx 串口号
* @ch 待发送的字符串
*/
void uart_putc(ls1c_uart_t uartx, unsigned char ch);
/*
* 打印一个字符串到指定串口
* @uartx 串口号
* @str 待打印的字符串
*/
void uart_print(ls1c_uart_t uartx, const char *str);
#endif
bsp/ls1cdev/rtconfig.h
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