#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 12288
extern uint8_t gBitVar[(gBIT_SIZE + 7) / 8];
extern uint16_t gWordVar[gWORD_SIZE];

void modbus(void);
void rs485_send(void *buf, uint16_t len);

#endif