shoe_mcu/bsp/bsp_uart.h

#ifndef __bsp_uart_h__
#define __bsp_uart_h__
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "sdk_common.h"
#include "SEGGER_RTT.h"
#include "usr_config.h"

void UART0_Init(uint32_t baud);
void UART0_SendStr(char *p);//发送字符串
void UART0_SendBuff(unsigned char *p,int L);//发送缓存
void UART0_SendChar(unsigned char ch);//发送一位数锯
void UART0_Discard(unsigned short n); //丢弃RX数据几位  
unsigned char UART0_CheckByte(unsigned short n); //看RX中数锯,地指不变, 
unsigned char UART0_ReadByte(void);   //读RX中数锯,地指加一,和丢弃
unsigned int UART0_CheckLen(void); //检查RX接收了多少数据
void UART0_Test(void);

#endif