#ifndef _MODBUS_H
#define _MODBUS_H
#include<stdint.h>
//#define uint8_t unsigned char
//#define uint16_t unsigned short
//#define uint32 unsigned int

#define setBit(Add) gBitVar[(Add)>>3] |= (1<<((Add)&0x07))
#define clrBit(Add) gBitVar[(Add)>>3] &= ~(1<<((Add)&0x07))
//#define ModBusTxData uart1_tx

extern uint16_t crc16(uint8_t *puchMsg, uint16_t usDataLen);
extern int ModbusSlaveProcess(uint8_t *txbuf, uint8_t *rxbuf, uint16_t rxLen, int is_crc);




int isBitHI(uint16_t Add);
void xorBit(uint16_t Add);

void WriteBit(uint16_t Add,uint8_t bit_value);
#define gBIT_SIZE	128
#define	gWORD_SIZE	1024
extern uint8_t gBitVar[(gBIT_SIZE+7)/8];
extern uint16_t gWordVar[gWORD_SIZE];
extern uint16_t modbus_addr;

// #include "usart.h"
// #include "gpio.h"
// #include "main.h"
#define BUFFER_SIZE 2000
extern uint8_t rx_buffer[256];
extern uint8_t tx_buffer[256];
extern uint16_t rx_buff_len;
// extern __IO uint8_t recv_end_flag;
extern  uint8_t recv_end_flag;
extern void modbus_recv_mode(void);
extern void usart2_dma_recv_start(void);
extern void modbus_send(uint8_t *buf, uint8_t len);
// extern void save_flow_cfg(void);	
extern int check_mastrt_recv(void);

void ModBusWordWriteHook(uint16_t addr, uint16_t length);
	
#endif