#ifndef MODBUS_H #define MODBUS_H //继电器控制板modbus 地址 #define RELAY_ADDRESS (0x01) //比例调节阀modbus 地址 #define ADJUSTVALVE_ADDRESS (0x03) //压力传感器modbus地址 #define PRESSURESENSOR_ADDRESS (0x02) unsigned short CRC16_MODBUS(unsigned char *puchMsg, unsigned int usDataLen); #endif // MODBUS_H