Files
SM-1000M/IAPV1.1/Driver/usart/usart4.h
2026-04-23 10:50:18 +08:00

41 lines
984 B
C

#ifndef _usart4_H
#define _usart4_H
#include "bsp.h"
#include "general_type.h"
#include "stm32l1xx_usart.h"
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#if defined ( __CC_ARM )
#pragma anon_unions
#endif
#define USART4_MAX_RECV_LEN 1 //最大接收缓存字节数
#define USART4_MAX_SEND_LEN 512 //最大发送缓存字节数
void USART4_Configuration(u32 baund);
void Usart4_ReceiveBuff_Clear(void);
void u4_printf(char* fmt,...);
u8 USART4_Recieve_Ide(void);
void timer4_init(void);
void TIM4_Set(unsigned char sta);
typedef struct STRUCT_USART4_Fram //数据帧结构体
{
char Usart4_RX_BUF[USART4_MAX_RECV_LEN];
union
{
__IO u16 InfAll;
struct
{
__IO u16 FramLength :15; // 14:0
__IO u16 FramFinishFlag :1; // 15
}InfBit;
};
}Usart4_Fram_Record_Struct;
//extern Usart4_Fram_Record_Struct Usart4_Fram_Record_Structs;
#endif