30 lines
765 B
C
30 lines
765 B
C
#ifndef _MODBUS_H
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#define _MODBUS_H
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#include <stdint.h>
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#define uint8_t unsigned char
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#define uint16_t unsigned short
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#define uint32 unsigned int
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#define setBit(Add) gBitVar[(Add) >> 3] |= (1 << ((Add)&0x07))
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#define clrBit(Add) gBitVar[(Add) >> 3] &= ~(1 << ((Add)&0x07))
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//#define ModBusTxData uart1_tx
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extern uint16_t crc16(uint8_t *puchMsg, uint16_t usDataLen);
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extern int ModbusSlaveProcess(uint8_t *txbuf, uint8_t *rxbuf, uint16_t rxLen, int is_crc);
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int isBitHI(uint16_t Add);
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void xorBit(uint16_t Add);
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void WriteBit(uint16_t Add, uint8_t bit_value);
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#define gBIT_SIZE 128
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#define gWORD_SIZE 12288
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extern uint8_t gBitVar[(gBIT_SIZE + 7) / 8];
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extern uint16_t gWordVar[gWORD_SIZE];
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void modbus(void);
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void rs485_send(void *buf, uint16_t len);
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#endif
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