TrainCamp_fubowen_Modbus/modbus/modbus_rec_send.h

#ifndef __MODBUS_REC_SEND_H
#define __MODBUS_REC_SEND_H

#include "stm32f4xx.h"
#include "modbus_parse.h"

typedef enum ModbusRxStateType
{
    MODBUS_RX_RECEIVING = 0,        /*正在正常接收*/
    MODBUS_RX_CHECK_T15,            /*等待第一次DMA检查，判断新字符是否在t1.5前开始*/
    MODBUS_RX_CHECK_T35,            /*等待第二次DMA检查，判断t1.5～t3.5是否出现字符*/
    MODBUS_RX_DISCARD,              /*当前帧已经确认错误，继续丢弃后续数据*/
    MODBUS_RX_DISCARD_CHECK_T35     /*已收到错误帧的IDLE，等待连续t3.5静默*/
}MODBUS_RX_STATE;



int8_t ChcekCrc16(uint16_t recCrc16, uint8_t *data, uint16_t length);
void AddCrc16(uint8_t *data, uint16_t length);
void ModbusSend(uint8_t *txBuf, uint16_t len);
void TimOff(void);
void TimRestart(uint32_t timArr);
void ModbusParseWakeUp(void);
void ModbusDmaRestart(void);

#endif