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373 lines
14 KiB
373 lines
14 KiB
2 days ago
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#include "bsp_MB_host.h"
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#include "stdio.h"
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#include "bsp_UART.h"
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//__IO uint8_t Rx_Buf[256]; // 接收缓存,最大256字节
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__IO uint8_t Tx_Buf[256]; // 发送缓存,最大256字节
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__IO uint8_t tmp_Rx_Buf; // 临时接收缓存
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__IO uint16_t RxCount = 0; // 接收字符计数
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uint8_t MB_rx_flag = 0;
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uint16_t Read_Reg_Num;
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uint8_t Read_Slave_ID = 0;
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/* 私有类型定义 --------------------------------------------------------------*/
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/* 私有宏定义 ----------------------------------------------------------------*/
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/* 私有变量 ------------------------------------------------------------------*/
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// CRC 高位字节值表
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static const uint8_t auchCRCHi[] =
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{ 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01,
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0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01,
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0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00,
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0xC1, 0x81, 0x40 };
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// CRC 低位字节值表
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static const uint8_t auchCRCLo[] =
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{ 0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 0x07, 0xC7, 0x05,
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0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 0x0F, 0xCF, 0xCE, 0x0E, 0x0A,
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0xCA, 0xCB, 0x0B, 0xC9, 0x09, 0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B,
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0xDB, 0xDA, 0x1A, 0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14,
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0xD4, 0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 0x11,
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0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36,
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0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF,
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0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28,
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0xE8, 0xE9, 0x29, 0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D,
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0xED, 0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 0x22,
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0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 0x61, 0xA1, 0x63,
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0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 0xA5, 0x65, 0x64, 0xA4, 0x6C,
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0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69,
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0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE,
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0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77,
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0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 0x70, 0xB0, 0x50,
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0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 0x96, 0x56, 0x57, 0x97, 0x55,
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0x95, 0x94, 0x54, 0x9C, 0x5C, 0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A,
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0x9A, 0x9B, 0x5B, 0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B,
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0x8B, 0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, 0x44,
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0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 0x43, 0x83, 0x41,
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0x81, 0x80, 0x40 };
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/**
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* 函数功能: Modbus CRC16 校验计算函数
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* 输入参数: pushMsg:待计算的数据首地址,usDataLen:数据长度
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* 返 回 值: CRC16 计算结果
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* 说 明: 计算结果是高位在前,需要转换才能发送
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*/
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uint16_t MB_CRC16(uint8_t *pushMsg, uint16_t usDataLen)
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{
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uint8_t uchCRCHi = 0xFF;
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uint8_t uchCRCLo = 0xFF;
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uint16_t uIndex;
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while (usDataLen--)
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{
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uIndex = uchCRCLo ^ *pushMsg++;
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uchCRCLo = uchCRCHi ^ auchCRCHi[uIndex];
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uchCRCHi = auchCRCLo[uIndex];
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}
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return (uchCRCHi << 8 | uchCRCLo);
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}
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/**
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* 函数功能: 读N个线圈状态(CoilStatue)
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* 输入参数: _addr:从站地址,_reg:寄存器地址,_num:待读取的数量
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* 返 回 值: 无
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* 说 明: 填充数据发送缓存区,然后发送
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*/
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void MB_ReadCoil(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
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uint16_t _reg, uint16_t _num)
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{
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uint16_t TxCount = 0;
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uint16_t crc = 0;
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Tx_Buf[TxCount++] = _addr; /* 从站地址 */
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Tx_Buf[TxCount++] = 0x01; /* 功能码 */
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Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
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Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
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Tx_Buf[TxCount++] = _num >> 8; /* 线圈(bit)个数 高字节 */
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Tx_Buf[TxCount++] = _num; /* 线圈(bit)个数 低字节 */
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crc = MB_CRC16(Tx_Buf, TxCount);
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Tx_Buf[TxCount++] = crc; /* crc 低字节 */
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Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
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*TxCount_t = TxCount;
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//uartHandler->UART_Tx(uartHandler,(uint8_t *)&Tx_Buf,TxCount);
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//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
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}
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/**
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* 函数功能: 写单个线圈状态(CoilStatue)
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* 输入参数: _addr:从站地址,_reg:寄存器地址,_sta:待写入的线圈状态(0,1)
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* 返 回 值: 无
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* 说 明: 填充数据发送缓存区,然后发送
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*/
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void MB_WriteCoil(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
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uint16_t _reg, uint16_t _sta)
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{
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uint16_t TxCount = 0;
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uint16_t crc = 0;
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Tx_Buf[TxCount++] = _addr; /* 从站地址 */
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Tx_Buf[TxCount++] = 0x05; /* 功能码 */
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Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
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Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
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Tx_Buf[TxCount++] = _sta >> 8; /* 线圈(bit)个数 高字节 */
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Tx_Buf[TxCount++] = _sta; /* 线圈(bit)个数 低字节 */
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crc = MB_CRC16(Tx_Buf, TxCount);
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Tx_Buf[TxCount++] = crc; /* crc 低字节 */
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Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
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*TxCount_t = TxCount;
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//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
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//uartHandler->UART_Tx(uartHandler,(uint8_t *)&Tx_Buf,TxCount);
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}
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void MB_WriteNumCoil(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
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uint16_t _reg, uint16_t _num, uint8_t *_databuf)
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{
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uint16_t i;
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uint16_t TxCount = 0;
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uint16_t crc = 0;
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Tx_Buf[TxCount++] = _addr; /* 从站地址 */
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Tx_Buf[TxCount++] = 0x0F; /* 功能码 */
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Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
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Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
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Tx_Buf[TxCount++] = _num >> 8; /* 寄存器(16bits)个数 高字节 */
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Tx_Buf[TxCount++] = _num; /* 低字节 */
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if(_num%8==0)
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{
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Tx_Buf[TxCount++] = _num / 8;
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}else
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{
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Tx_Buf[TxCount++] = _num / 8 + 1;
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}
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/* 数据个数 */
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uint16_t ij=TxCount++;
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for (i = 0; i < _num; i++)
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{
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Tx_Buf[ij]|= _databuf[i]<<i; /* 后面的数据长度 */
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}
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crc = MB_CRC16(Tx_Buf, TxCount);
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Tx_Buf[TxCount++] = crc; /* crc 低字节 */
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Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
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//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
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*TxCount_t = TxCount;
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}
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/**
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* 函数功能: 读输入状态状态(InputStatue)
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* 输入参数: _addr:从站地址,_reg:寄存器地址,_num:待读取的输入数量
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* 返 回 值: 无
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* 说 明: 填充数据发送缓存区,然后发送
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*/
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void MB_ReadInput(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
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uint16_t _reg, uint16_t _num)
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{
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uint16_t TxCount = 0;
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uint16_t crc = 0;
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Tx_Buf[TxCount++] = _addr; /* 从站地址 */
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Tx_Buf[TxCount++] = 0x02; /* 功能码 */
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Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
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Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
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Tx_Buf[TxCount++] = _num >> 8; /* 开关(Input)个数 高字节 */
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Tx_Buf[TxCount++] = _num; /* 开关(Input)个数 低字节 */
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crc = MB_CRC16(Tx_Buf, TxCount);
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Tx_Buf[TxCount++] = crc; /* crc 低字节 */
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Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
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*TxCount_t = TxCount;
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//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
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//uartHandler->UART_Tx(uartHandler,(uint8_t *)&Tx_Buf,TxCount);
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}
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/**
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* 函数功能: 读保持寄存器(HoldingRegister)
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* 输入参数: _addr:从站地址,_reg:寄存器地址,_num:待读取的寄存器数量
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* 返 回 值: 无
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* 说 明: 填充数据发送缓存区,然后发送
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*/
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void MB_ReadHoldingReg(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
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uint16_t _reg, uint16_t _num)
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{
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MB_rx_flag = 2;
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Read_Reg_Num = _num;
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Read_Slave_ID = _addr;
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uint16_t TxCount = 0;
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uint16_t crc = 0;
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Tx_Buf[TxCount++] = _addr; /* 从站地址 */
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Tx_Buf[TxCount++] = 0x03; /* 功能码 */
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Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
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Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
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Tx_Buf[TxCount++] = _num >> 8; /* 寄存器(16bits)个数 高字节 */
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Tx_Buf[TxCount++] = _num; /* 低字节 */
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crc = MB_CRC16(Tx_Buf, TxCount);
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Tx_Buf[TxCount++] = crc; /* crc 低字节 */
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Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
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*TxCount_t = TxCount;
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//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
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//uartHandler->UART_Tx(uartHandler,(uint8_t *)&Tx_Buf,TxCount);
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}
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/**
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* 函数功能: 读N个输入寄存器(InputRegister)
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* 输入参数: _addr:从站地址,_reg:寄存器地址,_num:待读取的寄存器数量
|
||
|
|
* 返 回 值: 无
|
||
|
|
* 说 明: 填充数据发送缓存区,然后发送.
|
||
|
|
*/
|
||
|
|
void MB_ReadInputReg(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
|
||
|
|
uint16_t _reg, uint16_t _num)
|
||
|
|
{
|
||
|
|
uint16_t TxCount = 0;
|
||
|
|
uint16_t crc = 0;
|
||
|
|
Tx_Buf[TxCount++] = _addr; /* 从站地址 */
|
||
|
|
Tx_Buf[TxCount++] = 0x04; /* 功能码 */
|
||
|
|
Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = _num >> 8; /* 寄存器(16bits)个数 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _num; /* 低字节 */
|
||
|
|
|
||
|
|
crc = MB_CRC16(Tx_Buf, TxCount);
|
||
|
|
Tx_Buf[TxCount++] = crc; /* crc 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
|
||
|
|
*TxCount_t = TxCount;
|
||
|
|
//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 函数功能: 写单个保持寄存器(HoldingRegister)
|
||
|
|
* 输入参数: _addr:从站地址,_reg:寄存器地址,_data:待写入的寄存器数据
|
||
|
|
* 返 回 值: 无
|
||
|
|
* 说 明: 填充数据发送缓存区,然后发送
|
||
|
|
*/
|
||
|
|
void MB_WriteHoldingReg(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
|
||
|
|
uint16_t _reg, uint16_t _data)
|
||
|
|
{
|
||
|
|
uint16_t TxCount = 0;
|
||
|
|
uint16_t crc = 0;
|
||
|
|
Tx_Buf[TxCount++] = _addr; /* 从站地址 */
|
||
|
|
Tx_Buf[TxCount++] = 0x06; /* 功能码 */
|
||
|
|
Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = _data >> 8; /* 寄存器(16bits)个数 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _data; /* 低字节 */
|
||
|
|
|
||
|
|
crc = MB_CRC16(Tx_Buf, TxCount);
|
||
|
|
Tx_Buf[TxCount++] = crc; /* crc 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
|
||
|
|
*TxCount_t = TxCount;
|
||
|
|
//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
|
||
|
|
//uartHandler->UART_Tx(uartHandler,(uint8_t *)&Tx_Buf,TxCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 函数功能: 写N个保持寄存器(HoldingRegister)
|
||
|
|
* 输入参数: _addr:从站地址,_reg:寄存器地址,_num:待写入的寄存器数量,_databuf:待写入的寄存器数据
|
||
|
|
* 返 回 值: 无
|
||
|
|
* 说 明: 填充数据发送缓存区,然后发送._databuf的长度需 >= _num*2
|
||
|
|
*/
|
||
|
|
void MB_WriteNumHoldingReg(uint8_t *Tx_Buf, uint8_t *TxCount_t, uint8_t _addr,
|
||
|
|
uint16_t _reg, uint16_t _num, uint8_t *_databuf)
|
||
|
|
{
|
||
|
|
|
||
|
|
uint16_t i;
|
||
|
|
uint16_t TxCount = 0;
|
||
|
|
uint16_t crc = 0;
|
||
|
|
Tx_Buf[TxCount++] = _addr; /* 从站地址 */
|
||
|
|
Tx_Buf[TxCount++] = 0x10; /* 功能码 */
|
||
|
|
Tx_Buf[TxCount++] = _reg >> 8; /* 寄存器地址 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _reg; /* 寄存器地址 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = _num >> 8; /* 寄存器(16bits)个数 高字节 */
|
||
|
|
Tx_Buf[TxCount++] = _num; /* 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = _num << 1; /* 数据个数 */
|
||
|
|
|
||
|
|
for (i = 0; i < 2 * _num; i++)
|
||
|
|
{
|
||
|
|
Tx_Buf[TxCount++] = _databuf[i]; /* 后面的数据长度 */
|
||
|
|
}
|
||
|
|
crc = MB_CRC16(Tx_Buf, TxCount);
|
||
|
|
Tx_Buf[TxCount++] = crc; /* crc 低字节 */
|
||
|
|
Tx_Buf[TxCount++] = crc >> 8; /* crc 高字节 */
|
||
|
|
//UART_Tx((uint8_t *)&Tx_Buf,TxCount);
|
||
|
|
*TxCount_t = TxCount;
|
||
|
|
}
|
||
|
|
/**
|
||
|
|
* 函数功能: 解析读取Read_Reg_Num个保持寄存器的值 (HoldingRegister)
|
||
|
|
* 输入参数: buffer:数据值,length:数据长度, Read_Reg_Num 读取几个保持寄存器, 将解析出来的数据存入 Decoded_Reg_Value 这个16进制的数据中
|
||
|
|
* 返 回 值: 1 表示解析正确，0 表示解析错误 CRC验证错误
|
||
|
|
* 说 明:
|
||
|
|
*/
|
||
|
|
uint8_t MB_Decode_HoldingRegs(uint8_t buffer[], uint16_t length,uint16_t Read_Reg_Num,uint16_t* Decoded_Reg_Value)
|
||
|
|
{
|
||
|
|
/* CRC 校验 */
|
||
|
|
uint16_t crc_check = ((buffer[length - 1] << 8) | buffer[length - 2]);
|
||
|
|
/* CRC 校验正确 */
|
||
|
|
if (crc_check == MB_CRC16(buffer, length - 2))
|
||
|
|
{
|
||
|
|
int i = 0;
|
||
|
|
for (i = 0; i < Read_Reg_Num; i++)
|
||
|
|
{
|
||
|
|
|
||
|
|
Decoded_Reg_Value[ i] =
|
||
|
|
(buffer[3 + 2 * i] << 8) + buffer[4 + 2 * i];
|
||
|
|
}
|
||
|
|
return 1; //Decoded successfully
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return 0; //Decode Error；
|
||
|
|
}
|
||
|
|
}
|
||
|
|
uint8_t MB_Decode_InputRegs(uint8_t buffer[], uint16_t length,uint16_t Read_Reg_Num,uint16_t* Decoded_Reg_Value)
|
||
|
|
{
|
||
|
|
/* CRC 校验 */
|
||
|
|
uint16_t crc_check = ((buffer[length - 1] << 8) | buffer[length - 2]);
|
||
|
|
/* CRC 校验正确 */
|
||
|
|
if (crc_check == MB_CRC16(buffer, length - 2))
|
||
|
|
{
|
||
|
|
int i = 0;
|
||
|
|
for (i = 0; i < Read_Reg_Num; i++)
|
||
|
|
{
|
||
|
|
|
||
|
|
Decoded_Reg_Value[ i] =
|
||
|
|
(buffer[3 + 2 * i] << 8) + buffer[4 + 2 * i];
|
||
|
|
}
|
||
|
|
return 1; //Decoded successfully
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
|
||
|
|
return 0; //Decode Error；
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|