📄 main.lst
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1160 1 return status;
1161 1 }
1162
1163 ////////////////////////////////////////////////////////////////
1164 // Read the mifare card
1165 // 读卡
1166 ////////////////////////////////////////////////////////////////
1167 char M500PiccRead(uchar addr,uchar *_data)
1168 {
1169 1 char idata status = MI_OK;
1170 1 char idata tmp = 0;
1171 1
C51 COMPILER V6.12 MAIN 08/18/2007 23:20:49 PAGE 20
1172 1 FlushFIFO();
1173 1
1174 1 M500PcdSetTmo(3);
1175 1 WriteIO(RegChannelRedundancy,0x0F);
1176 1 ResetInfo(MInfo);
1177 1 SerBuffer[0] = PICC_READ;
1178 1 SerBuffer[1] = addr;
1179 1 MInfo.nBytesToSend = 2;
1180 1 status = M500PcdCmd(PCD_TRANSCEIVE,SerBuffer,&MInfo);
1181 1
1182 1 if (status != MI_OK)
1183 1 {
1184 2 if (status != MI_NOTAGERR )
1185 2 {
1186 3 if (MInfo.nBitsReceived == 4)
1187 3 {
1188 4 SerBuffer[0] &= 0x0f;
1189 4 if ((SerBuffer[0] & 0x0a) == 0)
1190 4 {
1191 5 status = MI_NOTAUTHERR;
1192 5 }
1193 4 else
1194 4 {
1195 5 status = MI_CODEERR;
1196 5 }
1197 4 }
1198 3 }
1199 2 memcpy(_data,"0000000000000000",16);
1200 2 }
1201 1 else // Response Processing
1202 1 {
1203 2 if (MInfo.nBytesReceived != 16)
1204 2 {
1205 3 status = MI_BYTECOUNTERR;
1206 3 memcpy(_data,"0000000000000000",16);
1207 3 }
1208 2 else
1209 2 {
1210 3 memcpy(_data,SerBuffer,16);
1211 3 }
1212 2 }
1213 1 M500PcdSetTmo(1);
1214 1 return status;
1215 1 }
1216
1217 ////////////////////////////////////////////////////////////////
1218 // Write the mifare card
1219 // 写卡 下载密码
1220 ////////////////////////////////////////////////////////////////
1221 char M500PiccWrite( uchar addr,uchar *_data)
1222 {
1223 1 char idata status = MI_OK;
1224 1
1225 1 ResetInfo(MInfo);
1226 1 SerBuffer[0] = PICC_WRITE;
1227 1 SerBuffer[1] = addr;
1228 1 MInfo.nBytesToSend = 2;
1229 1 status = M500PcdCmd(PCD_TRANSCEIVE,SerBuffer,&MInfo);
1230 1
1231 1 if (status != MI_NOTAGERR)
1232 1 {
1233 2 if (MInfo.nBitsReceived != 4)
C51 COMPILER V6.12 MAIN 08/18/2007 23:20:49 PAGE 21
1234 2 {
1235 3 status = MI_BITCOUNTERR;
1236 3 }
1237 2 else
1238 2 {
1239 3 SerBuffer[0] &= 0x0f;
1240 3 if ((SerBuffer[0] & 0x0a) == 0)
1241 3 {
1242 4 status = MI_NOTAUTHERR;
1243 4 }
1244 3 else
1245 3 {
1246 4 if (SerBuffer[0] == 0x0a)
1247 4 {
1248 5 status = MI_OK;
1249 5 }
1250 4 else
1251 4 {
1252 5 status = MI_CODEERR;
1253 5 }
1254 4 }
1255 3 }
1256 2 }
1257 1
1258 1 if ( status == MI_OK)
1259 1 {
1260 2 M500PcdSetTmo(3);
1261 2
1262 2 ResetInfo(MInfo);
1263 2 memcpy(SerBuffer,_data,16);
1264 2 MInfo.nBytesToSend = 16;
1265 2 status = M500PcdCmd(PCD_TRANSCEIVE,SerBuffer,&MInfo);
1266 2
1267 2 if (status & 0x80)
1268 2 {
1269 3 status = MI_NOTAGERR;
1270 3 }
1271 2 else
1272 2 {
1273 3 if (MInfo.nBitsReceived != 4)
1274 3 {
1275 4 status = MI_BITCOUNTERR;
1276 4 }
1277 3 else
1278 3 {
1279 4 SerBuffer[0] &= 0x0f;
1280 4 if ((SerBuffer[0] & 0x0a) == 0)
1281 4 {
1282 5 status = MI_WRITEERR;
1283 5 }
1284 4 else
1285 4 {
1286 5 if (SerBuffer[0] == 0x0a)
1287 5 {
1288 6 status = MI_OK;
1289 6 }
1290 5 else
1291 5 {
1292 6 status = MI_CODEERR;
1293 6 }
1294 5 }
1295 4 }
C51 COMPILER V6.12 MAIN 08/18/2007 23:20:49 PAGE 22
1296 3 }
1297 2 M500PcdSetTmo(1);
1298 2 }
1299 1 return status;
1300 1 }
1301
1302 ///////////////////////////////////////////////////////////////////////
1303 // Reset Rf Card
1304 ///////////////////////////////////////////////////////////////////////
1305 char M500PcdRfReset(uchar ms)
1306 {
1307 1 char idata status = MI_OK;
1308 1
1309 1 if(ms)
1310 1 {
1311 2 ClearBitMask(RegTxControl,0x03);
1312 2 delay_1ms(2);
1313 2 SetBitMask(RegTxControl,0x03);
1314 2 }
1315 1 else
1316 1 {
1317 2 ClearBitMask(RegTxControl,0x03);
1318 2 }
1319 1 return status;
1320 1 }
1321
1322 #pragma noaregs
1323
1324 ///////////////////////////////////////////////////////////////////////
1325 // Delay 50us
1326 ///////////////////////////////////////////////////////////////////////
1327 void delay_50us(uchar _50us)
1328 {
1329 1 RCAP2LH = RCAP2_50us;
1330 1 T2LH = RCAP2_50us;
1331 1 ET2 = 0; // Disable timer2 interrupt
1332 1 T2CON = 0x04; // 16-bit auto-reload, clear TF2, start timer
1333 1
1334 1 while (_50us--)
1335 1 {
1336 2 while (!TF2);
1337 2 TF2 = FALSE;
1338 2 }
1339 1
1340 1 TR2 = FALSE;
1341 1
1342 1 }
1343
1344 ///////////////////////////////////////////////////////////////////////
1345 // Delay 1ms
1346 ///////////////////////////////////////////////////////////////////////
1347 void delay_1ms(uchar _1ms)
1348 {
1349 1 RCAP2LH = RCAP2_1ms;
1350 1 T2LH = RCAP2_1ms;
1351 1 ET2 = 0; // Disable timer2 interrupt
1352 1 T2CON = 0x04; // 16-bit auto-reload, clear TF2, start timer
1353 1
1354 1 while (_1ms--)
1355 1 {
1356 2 while (!TF2);
1357 2 TF2 = FALSE;
C51 COMPILER V6.12 MAIN 08/18/2007 23:20:49 PAGE 23
1358 2 }
1359 1 TR2 = FALSE;
1360 1 }
1361
1362 ///////////////////////////////////////////////////////////////////////
1363 // Delay 10ms
1364 ///////////////////////////////////////////////////////////////////////
1365 void delay_10ms(uint _10ms)
1366 {
1367 1 RCAP2LH = RCAP2_10ms;
1368 1 T2LH = RCAP2_10ms;
1369 1 ET2 = 0; // Disable timer2 interrupt
1370 1 T2CON = 0x04; // 16-bit auto-reload, clear TF2, start timer
1371 1
1372 1 while (_10ms--)
1373 1 {
1374 2 while (!TF2)
1375 2 {
1376 3 if (bCmd)
1377 3 {
1378 4 TR2 = FALSE;
1379 4 TF2 = FALSE;
1380 4 return;
1381 4 }
1382 3 }
1383 2 TF2 = FALSE;
1384 2 }
1385 1 TR2 = FALSE;
1386 1
1387 1 }
1388
1389 ///////////////////////////////////////////////////////////////////////
1390 ///////////////////////////////////////////////////////////////////////
1391 void RC500ISR (void) interrupt 0 using 1
1392 {
1393 1 static uchar idata irqBits;
1394 1 static uchar idata irqMask;
1395 1 static uchar idata nbytes;
1396 1 static uchar idata cnt;
1397 1
1398 1 IE0 = 0;
1399 1 WriteRawIO(0,0x80);
1400 1 if (MpIsrInfo && MpIsrOut)
1401 1 {
1402 2 while( ReadRawIO(RegPrimaryStatus) & 0x08)
1403 2 {
1404 3 irqMask = ReadRawIO(RegInterruptEn);
1405 3 irqBits = ReadRawIO(RegInterruptRq) & irqMask;
1406 3 MpIsrInfo->irqSource |= irqBits;
1407 3 if (irqBits & 0x01)
1408 3 {
1409 4 nbytes = 64 - ReadRawIO(RegFIFOLength);
1410 4 if ((MpIsrInfo->nBytesToSend - MpIsrInfo->nBytesSent) <= nbytes)
1411 4 {
1412 5 nbytes = MpIsrInfo->nBytesToSend - MpIsrInfo->nBytesSent;
1413 5 WriteRawIO(RegInterruptEn,0x01);
1414 5 }
1415 4 for ( cnt = 0;cnt < nbytes;cnt++)
1416 4 {
1417 5 WriteRawIO(RegFIFOData,MpIsrOut[MpIsrInfo->nBytesSent]);
1418 5 MpIsrInfo->nBytesSent++;
1419 5 }
C51 COMPILER V6.12 MAIN 08/18/2007 23:20:49 PAGE 24
1420 4 WriteRawIO(RegInterruptRq,0x01);
1421 4 }
1422 3 if (irqBits & 0x10)
1423 3 {
1424 4 WriteRawIO(RegInterruptRq,0x10);
1425 4 WriteRawIO(RegInterruptEn,0x82);
1426 4 if (MpIsrInfo->cmd == PICC_ANTICOLL1)
1427 4 {
1428 5 WriteIO(RegChannelRedundancy,0x02);
1429 5 WriteRawIO(0,0x80);
1430 5 }
1431 4 }
1432 3 if (irqBits & 0x0E)
1433 3 {
1434 4 nbytes = ReadRawIO(RegFIFOLength);
1435 4 for ( cnt = 0; cnt < nbytes; cnt++)
1436 4 {
1437 5 MpIsrOut[MpIsrInfo->nBytesReceived] = ReadRawIO(RegFIFOData);
1438 5 MpIsrInfo->nBytesReceived++;
1439 5 }
1440 4 WriteRawIO(RegInterruptRq,0x0A & irqBits);
1441 4 }
1442 3 if (irqBits & 0x04)
1443 3 {
1444 4 WriteRawIO(RegInterruptEn,0x20);
1445 4 WriteRawIO(RegInterruptRq,0x20);
1446 4 irqBits &= ~0x20;
1447 4 MpIsrInfo->irqSource &= ~0x20;
1448 4 WriteRawIO(RegInterruptRq,0x04);
1449 4 }
1450 3 if (irqBit⌨️ 快捷键说明
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