#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 gBIT_SIZE 128
#define gWORD_SIZE 12288

extern uint8_t gBitVar[(gBIT_SIZE + 7) / 8];
extern uint16_t gWordVar[gWORD_SIZE];

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

#endif