| 提交 | 用户 | age | ||
| bfc108 | 1 | /** |
| Q | 2 | ****************************************************************************** |
| 3 | * @file : KLink.c | |
| 4 | * @brief : K-Link Protocol program body | |
| 5 | ****************************************************************************** | |
| 6 | */ | |
| 7 | #include "KLink.h" | |
| 8 | #include "functions.h" | |
| 9 | #include "string.h" | |
| 10 | #include "PLCFunctions.h" | |
| 11 | #include "stm32f0xx_hal.h" | |
| 12 | ||
| 13 | unsigned char KLPacketBuf1[256]; | |
| 14 | unsigned char KLPacketBuf2[256]; | |
| 15 | ||
| 16 | unsigned char KLBufferIn[16]={0}; | |
| 17 | unsigned char KLBufferOut[16]={0}; | |
| 18 | ||
| 19 | unsigned char nKLAddr=1; | |
| 20 | unsigned char nKLSeq=0; | |
| 21 | ||
| 22 | unKLStat nKLStatus ={0}; | |
| 23 | ||
| 24 | int KLThisuS=0; | |
| 25 | int KLRecvTimeuS=0; | |
| 26 | ||
| 27 | unsigned char KLBCC(void * pData, int nSize) | |
| 28 | { | |
| 29 | unsigned char k; | |
| 30 | k=0; | |
| 31 | for (int i=0;i<nSize;i++) | |
| 32 | { | |
| 33 | k^=((unsigned char *)pData)[i]; | |
| 34 | } | |
| 35 | return k; | |
| 36 | } | |
| 37 | int KLMakeRplyPacket(void * pBuf, uchar dst, uchar Status, uchar nCmd, uchar DataLen,void * pData ) | |
| 38 | { | |
| 39 | pKLRplyPktHdr p1 = (pKLRplyPktHdr)pBuf; | |
| 40 | int PacketLenth=0; | |
| 41 | p1->RplyStSgn=KLSignReply; | |
| 42 | p1->DstAddr=dst; | |
| 43 | p1->nStatus=Status; | |
| 44 | p1->nRplyCMD=nCmd; | |
| 45 | p1->nSize1=DataLen; | |
| 46 | memcpy(p1->Datas,pData,DataLen); | |
| 47 | p1->Datas[DataLen]=BCC(p1,sizeof(stKLRplyPktHdr)+DataLen-1); | |
| 48 | PacketLenth=sizeof(stKLRplyPktHdr)+DataLen; | |
| 49 | ||
| 50 | ||
| 51 | switch (nCmd) | |
| 52 | { | |
| 53 | case KLCmdNone: | |
| 54 | PacketLenth=0; | |
| 55 | break; | |
| 56 | case KLCmdPing: | |
| 57 | // case KLCmdPingReply: | |
| 58 | //p1->data[DataLen+1]=KLEndSign; | |
| 59 | //PacketLenth=sizeof(stKLPacket)+DataLen+1; | |
| 60 | break; | |
| 61 | case KLCmdRead: | |
| 62 | // case KLCmdReadReply: | |
| 63 | //p1->data[DataLen+1]=KLEndSign; | |
| 64 | //PacketLenth=sizeof(stPacket)+DataLen+1; | |
| 65 | break; | |
| 66 | case KLCmdWrite: | |
| 67 | // case KLCmdWriteReply: | |
| 68 | break; | |
| 69 | case KLCmdErrRply: | |
| 70 | ||
| 71 | break; | |
| 72 | default: | |
| 73 | break; | |
| 74 | } | |
| 75 | ||
| 76 | return PacketLenth; | |
| 77 | } | |
| 78 | ||
| 79 | int KLCheckPacket(void * pBuf,int nLen1) | |
| 80 | { | |
| 81 | pKLReqPktHdr p1 = (pKLReqPktHdr) pBuf; | |
| 82 | if (p1->ReqStSgn != KLSignStart) | |
| 83 | { | |
| 84 | return 1; | |
| 85 | } | |
| 86 | ||
| 87 | int DataLen=0; //p1->LoadLen; | |
| 88 | if (DataLen>KLMaxPacketLength) | |
| 89 | { | |
| 90 | return 2; | |
| 91 | } | |
| 92 | if (nLen1<DataLen+sizeof(stKLReqPktHdr)) | |
| 93 | { | |
| 94 | //len4=sprintf(str3,"%d < %d + %d \r\n",len2,DataLen,sizeof(stPacket)); | |
| 95 | //PutStr(str3,len4); | |
| 96 | return 3; //not long enough | |
| 97 | } | |
| 98 | // if (p1->data[DataLen+1] != EndSign) | |
| 99 | // { | |
| 100 | // ChnStats[nCurPollId].NoEndErr++; | |
| 101 | // Uart2Stat.LengthErr++; | |
| 102 | // return -2; | |
| 103 | // } | |
| 104 | unsigned char thisBCC=KLBCC(p1,nLen1-1); | |
| 105 | if (thisBCC != ((uchar *)pBuf)[nLen1-1]) | |
| 106 | {//BCC Error; | |
| 107 | return 4; | |
| 108 | } | |
| 109 | return 0; | |
| 110 | } | |
| 111 | ||
| 112 | inline void SetAddrBit(unsigned short * pW, unsigned char bitAddr) | |
| 113 | { | |
| 114 | (*pW)|=bitMasks[bitAddr&0xf]; | |
| 115 | } | |
| 116 | ||
| 117 | inline void ResetBit(unsigned short * pW, unsigned char bitAddr) | |
| 118 | { | |
| 119 | (*pW)&=~bitMasks[bitAddr&0xf]; | |
| 120 | } | |
| 121 | ||
| 122 | static inline void SetBitValue(unsigned short * pW, unsigned char bitAddr, unsigned char Value) | |
| 123 | { | |
| 124 | if (Value) { SetAddrBit(pW, bitAddr);} | |
| 125 | else {ResetBit(pW, bitAddr);} | |
| 126 | } | |
| 127 | int KLParseReqPacket(void * pBuf,int Len1) | |
| 128 | { | |
| 129 | pKLReqPktHdr p1 = (pKLReqPktHdr)pBuf; | |
| 130 | ||
| 131 | int nDstAddr=p1->DstAddr; | |
| 132 | KLRecvTimeuS=KLThisuS; | |
| 133 | int nDataType=p1->nType1; | |
| 134 | int nAddr=0; | |
| 135 | int DataLen=0; //p1->LoadLen; | |
| 136 | //int nSrcAddr=p1->SrcAddr; | |
| 137 | ||
| 138 | nKLStatus.nSEQ = ((pKLStat)(&(p1->Stat)))->nSEQ;; | |
| 139 | ||
| 140 | void * pData=0; | |
| 141 | pKLRplyPktHdr p2=(pKLRplyPktHdr)KLPacketBuf2; | |
| 142 | char rData[4]; | |
| 143 | ||
| 144 | int PacketLen=0; | |
| 145 | KLRecvTimeuS=KLThisuS; | |
| 146 | if (nDstAddr==nKLAddr || nDstAddr==0xff) | |
| 147 | { | |
| 148 | switch (p1->nCMD) | |
| 149 | { | |
| 150 | case KLCmdNone: | |
| 151 | break; | |
| 152 | case KLCmdPing: | |
| 153 | DataLen=nDataType; | |
| 154 | // KLBufferIn[0]=p1->Params[0]; | |
| 155 | // p1->Params[0]=KLBufferOut[0]; | |
| 156 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdPing,DataLen,p1->Params); | |
| 157 | SendPacket1(p2,PacketLen); | |
| 158 | break; | |
| 159 | // case KLCmdPingReply: | |
| 160 | // break; | |
| 161 | case KLCmdInfo: | |
| 162 | //if (nDataType == KLDataTypeDT) | |
| 163 | DataLen= 4; | |
| 164 | pData=&KMem.nEventCount; | |
| 165 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,p1->nCMD,DataLen,pData); | |
| 166 | SendPacket1(p2,PacketLen); | |
| 167 | break; | |
| 168 | case KLCmdRead: | |
| 169 | case KLCmdReadDataByte: | |
| 170 | nAddr=p1->Params[0]+ (p1->Params[1]<<8); | |
| 171 | DataLen= p1->Params[2]; | |
| 172 | if (nDataType ==KLDataTypeDT) { pData=KMem.DT+nAddr; } | |
| 173 | else if (nDataType == KLDataTypeSDT) { pData=KMem.SDT+nAddr; } | |
| 174 | else if (nDataType == KLDataTypeWX) { pData=KMem.WX+nAddr; } | |
| 175 | else if (nDataType == KLDataTypeWY) { pData=KMem.WY+nAddr; } | |
| 176 | else if (nDataType == KLDataTypeWR) { pData=KMem.WR+nAddr; } | |
| 177 | else if (nDataType == KLDataTypeWLX) { pData=KMem.WLX+nAddr; } | |
| 178 | else if (nDataType == KLDataTypeWLY) { pData=KMem.WLY+nAddr; } | |
| 179 | else if (nDataType == KLDataTypeSV) { pData=KMem.SDT+nAddr; } | |
| 180 | else if (nDataType == KLDataTypeEV) { pData=KMem.SDT+nAddr; } | |
| 181 | else if (nDataType == KLDataTypeTest) { pData=KMem.SDT+nAddr; } | |
| 182 | else if (nDataType == KLDataSysCfg) { pData = (unsigned short *)&KMSysCfg + nAddr;} | |
| 183 | else if (nDataType == KLDataTypeFlash) { pData = (unsigned short *)FLASH_BASE + nAddr;} | |
| 184 | else { pData=KLBufferOut+nAddr; } | |
| 185 | ||
| 186 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,p1->nCMD,DataLen,pData); | |
| 187 | SendPacket1(p2,PacketLen); | |
| 188 | ||
| 189 | break; | |
| 190 | // case KLCmdReadReply: | |
| 191 | // break; | |
| 192 | case KLCmdWrite: | |
| 193 | case KLCmdWriteDataByte: | |
| 194 | ||
| 195 | //memcpy(DispBuf,p1->data,DataLen); | |
| 196 | nAddr=p1->Params[0]+ (p1->Params[1]<<8); | |
| 197 | DataLen= p1->Params[2]; | |
| 198 | if (nDataType ==KLDataTypeDT) { pData=KMem.DT+nAddr; } | |
| 199 | else if (nDataType == KLDataTypeSDT) { pData=KMem.SDT+nAddr; } | |
| 200 | else if (nDataType == KLDataTypeWX) { pData=KMem.WX+nAddr; } | |
| 201 | else if (nDataType == KLDataTypeWY) { pData=KMem.WY+nAddr; } | |
| 202 | else if (nDataType == KLDataTypeWR) { pData=KMem.WR+nAddr; } | |
| 203 | else if (nDataType == KLDataTypeWLX) { pData=KMem.WLX+nAddr; } | |
| 204 | else if (nDataType == KLDataTypeWLY) { pData=KMem.WLY+nAddr; } | |
| 205 | else if (nDataType == KLDataTypeSV) { pData=KMem.SDT+nAddr; DataLen=0;} | |
| 206 | else if (nDataType == KLDataTypeEV) { pData=KMem.SDT+nAddr; DataLen=0;} | |
| 207 | else if (nDataType == KLDataTypeTest) { pData=KMem.SDT+nAddr; DataLen=0;} | |
| 208 | else if (nDataType == KLDataSysCfg) { pData = (unsigned short *)&KMSysCfg + nAddr;} | |
| 209 | else if (nDataType == KLDataTypeFlash) { pData = (unsigned short *)FLASH_BASE + nAddr;} | |
| 210 | else { pData=KLBufferOut+nAddr; DataLen=0; } | |
| 211 | ||
| 212 | memcpy(pData,p1->Params+4,DataLen); | |
| 213 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,p1->nCMD,0,0); | |
| 214 | SendPacket1(p2,PacketLen); | |
| 215 | break; | |
| 216 | // case KLCmdWriteReply: | |
| 217 | // break; | |
| 218 | ||
| 219 | case KLCmdRead1Bit: | |
| 220 | nAddr=p1->Params[0]+ (p1->Params[1]<<8); | |
| 221 | DataLen = 1; | |
| 222 | if (nDataType == KLCoilTypeX) { rData[0] = ((KMem.WX[nAddr>>4]&bitMasks[nAddr&0x0f])>0);} | |
| 223 | else if (nDataType == KLCoilTypeY) { rData[0] = ((KMem.WY[nAddr>>4]&bitMasks[nAddr&0x0f])>0);} | |
| 224 | else if (nDataType == KLCoilTypeR) { rData[0] = ((KMem.WR[nAddr>>4]&bitMasks[nAddr&0x0f])>0);} | |
| 225 | else if (nDataType == KLCoilTypeLX) { rData[0] = ((KMem.WLX[nAddr>>4]&bitMasks[nAddr&0x0f])>0);} | |
| 226 | else if (nDataType == KLCoilTypeLY) { rData[0] = ((KMem.WLY[nAddr>>4]&bitMasks[nAddr&0x0f])>0);} | |
| 227 | else if (nDataType == KLCoilTypeT) { rData[0] = PLCMem.Timers[nAddr].bTon;} | |
| 228 | else if (nDataType == KLCoilTypeC) { rData[0] = PLCMem.Timers[nAddr].bTon;} | |
| 229 | else if (nDataType == KLCoilTypeLR) { rData[0] = 0;} | |
| 230 | else {rData[0]=0;} | |
| 231 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdRead1Bit,DataLen,rData); | |
| 232 | SendPacket1(p2,PacketLen); | |
| 233 | break; | |
| 234 | case KLCmdWrite1Bit: | |
| 235 | nAddr=p1->Params[0]+ (p1->Params[1]<<8); | |
| 236 | if (nDataType == KLCoilTypeX) { SetBitValue( &KMem.WX[nAddr>>4],nAddr&0x0f,p1->Params[2]);} | |
| 237 | else if (nDataType == KLCoilTypeY) { SetBitValue( &KMem.WY[nAddr>>4],nAddr&0x0f,p1->Params[2]);} | |
| 238 | else if (nDataType == KLCoilTypeR) { SetBitValue( &KMem.WR[nAddr>>4],nAddr&0x0f,p1->Params[2]);} | |
| 239 | else if (nDataType == KLCoilTypeLX) {SetBitValue( &KMem.WLX[nAddr>>4],nAddr&0x0f,p1->Params[2]);} | |
| 240 | else if (nDataType == KLCoilTypeLY) {SetBitValue( &KMem.WLY[nAddr>>4],nAddr&0x0f,p1->Params[2]);} | |
| 241 | else if (nDataType == KLCoilTypeT) { PLCMem.Timers[nAddr].bTon = p1->Params[2];} | |
| 242 | else if (nDataType == KLCoilTypeC) { PLCMem.Timers[nAddr].bTon = p1->Params[2];} | |
| 243 | else if (nDataType == KLCoilTypeLR) { ;} | |
| 244 | else {rData[0]=0;} | |
| 245 | DataLen=0; | |
| 246 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdWrite1Bit,DataLen,rData); | |
| 247 | SendPacket1(p2,PacketLen); | |
| 248 | break; | |
| 249 | case KLCmdReadBits: | |
| 250 | break; | |
| 251 | case KLCmdWriteBits: | |
| 252 | break; | |
| 253 | case KLCmdSaveSysCfg: | |
| 254 | WriteSysCfgToFlash(&KMSysCfg); | |
| 255 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdSaveSysCfg,0,0); | |
| 256 | SendPacket1(p2,PacketLen); | |
| 257 | break; | |
| 258 | case KLCmdSaveRunStat: | |
| 259 | SaveRunStat(&KMRunStat); | |
| 260 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdSaveRunStat,0,0); | |
| 261 | SendPacket1(p2,PacketLen); | |
| 262 | break; | |
| 263 | case KLCmdGetEventLogCount: | |
| 264 | DataLen= 4; | |
| 265 | pData=&KMem.nEventCount; | |
| 266 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,p1->nCMD,DataLen,pData); | |
| 267 | SendPacket1(p2,PacketLen); | |
| 268 | break; | |
| 269 | case KLCmdGetEventLog: | |
| 270 | nAddr=p1->Params[0]+ (p1->Params[1]<<8); | |
| 271 | DataLen= p1->Params[2] * sizeof(stEventLog); | |
| 272 | pData=GetEventLogAddr(nAddr); | |
| 273 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,p1->nCMD,DataLen,pData); | |
| 274 | SendPacket1(p2,PacketLen); | |
| 275 | break; | |
| 276 | case KLCmdClearEventLog: | |
| 277 | ClearEventLog(); | |
| 278 | PacketLen=KLMakeRplyPacket(p2,nDstAddr,nKLStatus.StatByte,KLCmdClearEventLog,0,0); | |
| 279 | SendPacket1(p2,PacketLen); | |
| 280 | break; | |
| 281 | default: | |
| 282 | DataLen=1; | |
| 283 | rData[0]=KL_UNKNOWN; | |
| 284 | PacketLen=KLMakeRplyPacket(p2,nKLAddr,nKLStatus.StatByte,KLCmdErrRply,DataLen,rData); | |
| 285 | SendPacket1(p2,PacketLen); | |
| 286 | break; | |
| 287 | } | |
| 288 | } | |
| 289 | return 0; | |
| 290 | } | |
| 291 | int KLParsePacket(void * pBuf,int Len1) | |
| 292 | { | |
| 293 | pKLReqPktHdr p1 = (pKLReqPktHdr)pBuf; | |
| 294 | KLThisuS=GetuS(); | |
| 295 | pKLRplyPktHdr p2=(pKLRplyPktHdr)KLPacketBuf2; | |
| 296 | int PacketLen=Len1; | |
| 297 | int Result=KLCheckPacket(p1,Len1); | |
| 298 | if (Result != KL_OK) | |
| 299 | { | |
| 300 | int DataLen=4; | |
| 301 | char rData[4]; | |
| 302 | rData[0]=Result; | |
| 303 | ||
| 304 | PacketLen=KLMakeRplyPacket(p2,nKLAddr,nKLStatus.StatByte,KLCmdErrRply,DataLen,rData); | |
| 305 | // PacketLen=KLMakePacket(p2,0,nAddr,cmdKLPing,p1->nSEQ,DataLen,rData); | |
| 306 | SendPacket1(p2,PacketLen); | |
| 307 | return Result; | |
| 308 | } | |
| 309 | // if (bMaster) Result=ParseMasterPacket(p1,Len1); | |
| 310 | // memcpy(KLPacketBuf2,pBuf,Len1); | |
| 311 | // SendPacket1(p2,PacketLen); | |
| 312 | ||
| 313 | Result=KLParseReqPacket(p1,Len1); | |
| 314 | ||
| 315 | //int len1=p1->PacketLen; | |
| 316 | // if (p1->DstAddr!=255&&p1->DstAddr!=2) return -3; | |
| 317 | // pPacket p2=(pPacket)PacketBuf2; | |
| 318 | // Uart2Stat.OKPacket++; | |
| 319 | ||
| 320 | return Result; | |
| 321 | } | |
| 322 | ||
