package com.hdl.sdk.ttl.HDLDeviceManger.Core; import com.hdl.sdk.ttl.Config.MCUConstants; import com.hdl.sdk.ttl.Utils.LogUtils.HDLLog; /** * Modify by JLChen on 2019/6/26 */ public class Crc { private static int[] crctab = new int[]{0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7, 0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef, 0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6, 0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de, 0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485, 0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d, 0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4, 0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc, 0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823, 0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b, 0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12, 0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a, 0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41, 0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49, 0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70, 0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78, 0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f, 0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e, 0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256, 0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d, 0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c, 0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634, 0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab, 0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3, 0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a, 0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92, 0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9, 0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1, 0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8, 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0}; public byte[] addBytes; public int command = 0; //当前APP设备子网号 public static int localSubnetID = 254; //当前APP设备设备号 public static int localDeviceID = 80; public int desSubnetID = 0; public int desDeviceID = 0; // Device type public static int DeviceType = 424; // public int port = 0; // public String ipAddress = ""; public int count = 0;//权宜之计，后续删掉 public boolean isCtrlSuccess;//权宜之计，后续删掉 public Crc(int command, int desSubnetID, int desDeviceID, byte[] addBytes) { this.command = command; this.desSubnetID = desSubnetID; this.desDeviceID = desDeviceID; this.addBytes = addBytes; } public Crc(int command, int sourceSubID, int sourceDeviceID, int desSubnetID, int desDeviceID, byte[] addBytes) { localSubnetID = sourceSubID; localDeviceID = sourceDeviceID; this.command = command; this.desSubnetID = desSubnetID; this.desDeviceID = desDeviceID; this.addBytes = addBytes; } private static int xcrc(int crc, byte cp) { int t1, t2, t3, t4, t5, t6; t1 = (crc >> 8); t2 = (t1 & 0xff); t3 = (cp & 0xff); t4 = (crc << 8); t5 = (t2 ^ t3); t6 = (crctab[t5] ^ t4); return t6; } public static void ConCRC(byte[] bufin, int n) { int crc16 = 0; int i; for (i = 0; i < n; i++) { crc16 = xcrc(crc16, bufin[i]); } bufin[i] = (byte) (crc16 >> 8); bufin[i + 1] = (byte) (crc16 & 0xff); } public static boolean checkCRC(byte[] bufin) { try { int crc16 = 0; int i; //去掉AAAA头 for ( i = 2; i < bufin.length - 2; i++) { crc16 = xcrc(crc16, bufin[i]); } return (bufin[i] == (byte) (crc16 >> 8)) && (bufin[i + 1] == (byte) (crc16 & 0xff)); } catch (Exception e) { e.printStackTrace(); return false; } } /** * 旧协议 * @return */ public byte[] GetSendBytes() { byte[] crcBytes = new byte[9 + this.addBytes.length + 2]; byte[] sendBytes = new byte[2 + crcBytes.length]; //Boot code sendBytes[0] = (byte) 0xAA; sendBytes[1] = (byte) 0xAA; crcBytes[0] = (byte) crcBytes.length; crcBytes[1] = (byte) localSubnetID; crcBytes[2] = (byte) localDeviceID; crcBytes[3] = (byte) (DeviceType / 256); crcBytes[4] = (byte) (DeviceType % 256); crcBytes[5] = (byte) (this.command / 256); crcBytes[6] = (byte) (this.command % 256); crcBytes[7] = (byte) this.desSubnetID; crcBytes[8] = (byte) this.desDeviceID; System.arraycopy(this.addBytes, 0, crcBytes, 9, this.addBytes.length); ConCRC(crcBytes, crcBytes.length - 2); System.arraycopy(crcBytes, 0, sendBytes, 2, crcBytes.length); return sendBytes; } private static int[] Modbus_crc_tab = new int[] { 0x0000, 0xCC01, 0xD801, 0x1400, 0xF001, 0x3C00, 0x2800, 0xE401, 0xA001, 0x6C00, 0x7800, 0xB401, 0x5000, 0x9C01, 0x8801, 0x4400, }; public static void CRC16_MODBUS(byte[] buffer, int len) { int crc; byte dat; int i; crc = 0XFFFF; for (i = 0; i < len - 2; i++) { dat = buffer[i]; crc = Modbus_crc_tab[(dat ^ crc) & 15] ^ (crc >> 4); crc = Modbus_crc_tab[((dat >> 4) ^ crc) & 15] ^ (crc >> 4); } buffer[i] = (byte) (crc & 0xff); buffer[i + 1] = (byte) (crc >> 8); } public static boolean CRC16_MODBUS_MATCH(byte[] buffer, int len) { int crc; byte dat; int i; crc = 0XFFFF; for (i = 0; i < len - 2; i++) { dat = buffer[i]; crc = Modbus_crc_tab[(dat ^ crc) & 15] ^ (crc >> 4); crc = Modbus_crc_tab[((dat >> 4) ^ crc) & 15] ^ (crc >> 4); } return (buffer[i] & 0xFF) == (crc & 0xff) && (buffer[i + 1] & 0xFF) == (crc >> 8); } // // // 2.通信协议 //// 引导头 控制域 数据长度 数据 校验码 //// 168[1byte] 0-255[1byte] 0-1500[2byte] [Nbyte] [1byte] // /** // * 魔镜MCU协议 // * @return // */ // public byte[] GetSendBytes() { // byte[] busBytes = GetHDLSendBytes(); // byte[] sendBytes = new byte[5 + busBytes.length]; // // //Boot code // sendBytes[0] = (byte) MCUConstants.MCU_BOOT_HEAD; // sendBytes[1] = (byte) MCUConstants.MCU_COMMAND_SEND; // sendBytes[2] = (byte) ((busBytes.length) / 256); //数据长度：去除引导头的长度 // sendBytes[3] = (byte) ((busBytes.length) % 256); //数据长度：去除引导头的长度 // // System.arraycopy(busBytes, 0, sendBytes, 4, busBytes.length); // // sendBytes[sendBytes.length-1] = MCUCrc.getMcuChecksum(sendBytes); //设置校验码 // // return sendBytes; // } // /** // * 校验码计算 // * @param packet // * @return // * 头引导码和尾校验码不检验 所以i=1，开始 i < (packet.length - 2) // */ // public static byte getMcuChecksum(byte[] packet) // { // byte mSum = 0; // for(int i = 1; i < (packet.length - 2); i++) // { // mSum += (byte)packet[i]; // } // mSum = (byte) ((~mSum) + 1); // return mSum; // // } }