#ifndef _MODBUS_H
#define _MODBUS_H

#include <stdint.h>
#include "gwordvar.h"

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

#define BUFFER_SIZE 2000
#define gBIT_SIZE	128
#define MODBUS_SALVE_ADDRESS	0x01


extern uint8_t gBitVar[(gBIT_SIZE+7)/8];

extern uint8_t rx_buffer[256];
extern uint8_t tx_buffer[256];
extern uint16_t rx_buff_len;

extern int ModbusSlaveProcess(uint8_t *txbuf, uint8_t *rxbuf, uint16_t rxLen, int is_crc);
void ModBusWordWriteHook(uint16_t addr, uint16_t length);
	
#endif