huohuoh
Dependencies: NetServices mbed C027_Supports mbed-rpcx
Diff: AruFraming.cpp
- Revision:
- 0:64967b7043c2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/AruFraming.cpp Tue Aug 06 12:59:05 2019 +0000 @@ -0,0 +1,156 @@ +#include "mbed.h" +#include "AruFraming.h" +//#include <stdio.h> +//#include <algorithm> + +AruFraming::AruFraming() +{ + +} + +AruFraming::~AruFraming() +{ + +} + +std::string ConvertInt(int data) +{ + char c[8]; + sprintf(c,"%X", data); + return c; +} + +void AruFraming::ProcessFromAru(const std::vector<int> &stream) +{ + AruFrm f; + if(stream[0] != 0x02)return; + + f.Identifier = stream[1]; + + switch(f.Identifier) + { + case 'e': + case 'i': + case 'r': + case 'v': + case 'n': { + unsigned int byteCnt = find(stream.begin(), stream.end(), /*'*'*/0x03) - stream.begin(); + + if (byteCnt < stream.size()) + { + for(unsigned int i=2; i<byteCnt; i++) + { + f.Data.push_back(stream[i]); + } + } + else + { + return; + } + break; + } + case 'a': + case 'c': + case 't': + case 's':{ + f.Data.clear(); + break; + } + default : + return; + } + RCV_QUE.push(f); +} + +std::vector<int> AruFraming::CreateFrame(const AruFrm &f) +{ + std::vector<int> result; + + result.push_back(0x02); + result.push_back(f.Identifier); + + int sz = f.Data.size(); + if(sz > 0) + { + for(int i=0; i<sz; i++) + { + result.push_back(f.Data[i] & 0x0FF); + } + } + + result.push_back(0x03); + + unsigned int LRC = CRC16(result); + std::string ret = ConvertInt(LRC); + std::string res = ConvertInt(LRC); + + result.push_back((int)res[2] & 0x0FF); + result.push_back((int)res[3] & 0x0FF); + result.push_back((int)res[0] & 0x0FF); + result.push_back((int)res[1] & 0x0FF); + + return result; +} + +/* Table of CRC values for high–order byte */ +unsigned int AruFraming::auchCRCHi[] = { +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 +} ; + +/* Table of CRC values for low–order byte */ +unsigned int AruFraming::auchCRCLo[] = { +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 +} ; + +unsigned int AruFraming::CRC16(const std::vector<int> &puchMsg) +{ + unsigned int uchCRCHi = 0x0FF ; /* high byte of CRC initialized */ + unsigned int uchCRCLo = 0x0FF ; /* low byte of CRC initialized */ + unsigned int uIndex ; /* will index into CRC lookup table */ + + int ptr = 0; + int usDataLen = (int)puchMsg.size(); + while (usDataLen > 0) /* pass through message buffer */ + { + usDataLen--; + + uIndex = uchCRCHi ^ (unsigned int)puchMsg[ptr++] ; /* calculate the CRC */ + uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex]; + uchCRCLo = auchCRCLo[uIndex]; + } + return (uchCRCHi << 8 | uchCRCLo); +}