SHT-标准MODBUS协议-湿度

MODBUSRTU通讯协议波特率9600数据格式：8位校验位无停止位1位数据默认1位小数，例如10表示1.01．读测量值（温度、湿度、开关状态）命令：主机读数据格式：开始从机地址命令寄存器地址寄存器个数CRC校验5ms延迟1字节0x03高字节低字节0x0022高字节低字节0x0003高字节低字节0xXXXX从机返回数据格式：开始从机地址命令字节数数据CRC校验5ms延迟1字节0x036温度高位温度低位湿度高位湿度低位状态高位状态低位高字节低字节0xXXXX注意：状态：0x8000表示温度为负，0x0000表示温度为正例如：命令：010300220000e5c0返回：010306012102E380000d2d2．读继电器设定值（温度上限、温度下限、湿度上限、湿度下限、温度回滞、湿度）命令：主机读数据格式：开始从机地址命令寄存器起始地址寄存器个数CRC校验5ms延迟1字节(0x01)0x03高字节低字节0x000x33高字节低字节0x000x00高字节低字节从机返回数据格式：开始从机地址命令字节数数据CRC校验5ms延迟1字节(0x01)0x0310温度上限高位温度上限低位温度下限高位温度下限低位湿度上限高位湿度上限低位湿度下限高位湿度下限低位温度回滞湿度回滞高字节低字节例如：命令：010300330000b5c5返回：01030A010500A1025601C30A32C5B23．读补偿状态及温湿度补偿数值：主机读数据格式：开始从机地址命令寄存器起始地址寄存器个数CRC校验5ms延迟1字节(0x01)0x03高字节低字节0x000x44高字节低字节0x000x00高字节低字节从机返回数据格式：开始从机地址命令字节数数据CRC校验5ms延迟1字节(0x01)0x035补偿状态温度补偿高字节温度补偿低字节湿度补偿高字节湿度补偿低字节高字节低字节例如：命令：01030044000005df返回：0103050000040008F295注意：补偿状态=0x00表示关补偿=0x11表示开补偿补偿高字节=0x00表示正补偿=0x11表示负补偿3．写继电器设定值命令：主机写数据格式：开始从机地址命令寄存器起始地址寄存器个数写入字节数数据CRC校验10ms1字节(0x01)0x10高字节低字节0x000x33高字节低字节0x000x0010字节温度上限高位温度上限低位温度下限高位温度下限低位湿度上限高位湿度上限低位湿度下限高位湿度下限低位温度回滞湿度回滞高字节低字节从机返回数据格式：开始从机地址命令寄存器起始地址寄存器个数CRC校验10ms1字节(0x01)0x10高字节低字节0x000x33高字节低字节0x000x00高字节低字节例如：命令：0110003300000a019300cd032001960505684f返回：01100033000030063．写温度补偿设定值命令：主机写数据格式：开始从机地址命令寄存器起始地址寄存器个数写入字节数数据CRC校验10ms1字节(0x01)0x10高字节低字节0x00044高字节低字节0x000x005字节补偿状态温度补偿高字节温度补偿低字节湿度补偿高字节湿度补偿低字节高字节低字节从机返回数据格式：开始从机地址命令寄存器起始地址寄存器个数CRC校验10ms1字节(0x01)0x10高字节低字节0x000x44高字节低字节0x000x00高字节低字节例如：命令：0110004400000511000511036e04返回：011000440000801C4．写IP地址：主机写数据格式：01100055000001021c5b开始从机地址命令寄存器起始地址寄存器个数写入字节数数据CRC校验10ms1字节(0x01)0x10高字节低字节0x00055高字节低字节0x000x00字节数0x010x02（IP地址）0x1c(高字节)0x5b低字节从机返回数据格式：021000550000D02A开始从机地址命令寄存器起始地址寄存器个数CRC校验10ms0x020x10高字节低字节0x000x55高字节低字节0x000x00高字节低字节0x2b0x9cIP改后测试：读新地址数据：命令：020300220000e5f3返回：02030500D1015D00A2EB附件：读数命令（1-10）：010300220000e5c0020300220000e5f3030300220000e422040300220000e595050300220000e444060300220000e477070300220000e5a6080300220000e559090300220000e4880a0300220000e4bb0b0300220000e56a0c0300220000e4dd0d0300220000e50c0e0300220000e53f0f0300220000e4ee改IP命令（1-10）01100055000001021c5b0110005500000103dd9b01100055000001049c5901100055000001055d9901100055000001061d980110005500000107dc5801100055000001089c5c01100055000001095d9c011000550000010a1d9d011000550000010bdc5d011000550000010c9d9f011000550000010d5c5f011000550000010e1c5e011000550000010fdd9eCRC校验：unsignedcharcodeauchCRCHi[]={0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40,0x01,0xC0,0x80,0x41,0x01,0xC0,0x80,0x41,0x00,0xC1,0x81,0x40};unsignedcharcodeauchCRCLo[]={0x00,0xC0,0xC1,0x01,0xC3,0x03,0x02,0xC2,0xC6,0x06,0x07,0xC7,0x05,0xC5,0xC4,0x04,0xCC,0x0C,0x0D,0xCD,0x0F,0xCF,0xCE,0x0E,0x0A,0xCA,0xCB,0x0B,0xC9,0x09,0x08,0xC8,0xD8,0x18,0x19,0xD9,0x1B,0xDB,0xDA,0x1A,0x1E,0xDE,0xDF,0x1F,0xDD,0x1D,0x1C,0xDC,0x14,0xD4,0xD5,0x15,0xD7,0x17,0x16,0xD6,0xD2,0x12,0x13,0xD3,0x11,0xD1,0xD0,0x10,0xF0,0x30,0x31,0xF1,0x33,0xF3,0xF2,0x32,0x36,0xF6,0xF7,0x37,0xF5,0x35,0x34,0xF4,0x3C,0xFC,0xFD,0x3D,0xFF,0x3F,0x3E,0xFE,0xFA,0x3A,0x3B,0xFB,0x39,0xF9,0xF8,0x38,0x28,0xE8,0xE9,0x29,0xEB,0x2B,0x2A,0xEA,0xEE,0x2E,0x2F,0xEF,0x2D,0xED,0xEC,0x2C,0xE4,0x24,0x25,0xE5,0x27,0xE7,0xE6,0x26,0x22,0xE2,0xE3,0x23,0xE1,0x21,0x20,0xE0,0xA0,0x60,0x61,0xA1,0x63,0xA3,0xA2,0x62,0x66,0xA6,0xA7,0x67,0xA5,0x65,0x64,0xA4,0x6C,0xAC,0xAD,0x6D,0xAF,0x6F,0x6E,0xAE,0xAA,0x6A,0x6B,0xAB,0x69,0xA9,0xA8,0x68,0x78,0xB8,0xB9,0x79,0xBB,0x7B,0x7A,0xBA,0xBE,0x7E,0x7F,0xBF,0x7D,0xBD,0xBC,0x7C,0xB4,0x74,0x75,0xB5,0x77,0xB7,0xB6,0x76,0x72,0xB2,0xB3,0x73,0xB1,0x71,0x70,0xB0,0x50,0x90,0x91,0x51,0x93,0x53,0x52,0x92,0x96,0x56,0x57,0x97,0x55,0x95,0x94,0x54,0x9C,0x5C,0x5D,0x9D,0x5F,0x9F,0x9E,0x5E,0x5A,0x9A,0x9B,0x5B,0x99,0x59,0x58,0x98,0x88,0x48,0x49,0x89,0x4B,0x8B,0x8A,0x4A,0x4E,0x8E,0x8F,0x4F,0x8D,0x4D,0x4C,0x8C,0x44,0x84,0x85,0x45,0x87,0x47,0x46,0x86,0x82,0x42,0x43,0x83,0x41,0x81,0x80,0x40};unsignedintcalcrc16(unsignedchar*puchMsgg,unsignedi