📄 main.lst
字号:
1066 1
1067 1 e2addrbuf = (uchar *)&e2addr;
1068 1 if (auth_mode == PICC_AUTHENT1B)
1069 1 {
1070 2 e2addr += 12;
1071 2 }
1072 1 FlushFIFO();
1073 1 ResetInfo(MInfo);
1074 1
1075 1 memcpy(SerBuffer,e2addrbuf,2);
1076 1 SerBuffer[2] = SerBuffer[0];
1077 1 SerBuffer[0] = SerBuffer[1];
1078 1 SerBuffer[1] = SerBuffer[2];
1079 1 MInfo.nBytesToSend = 2;
1080 1 if ((status=M500PcdCmd(PCD_LOADKEYE2,SerBuffer,&MInfo)) == MI_OK)
1081 1 {
1082 2 status = M500PiccAuthState(auth_mode,snr,block);
1083 2 }
1084 1 return status;
1085 1 }
1086
1087 ///////////////////////////////////////////////////////////////////////
1088 // Authentication key coding
1089 ///////////////////////////////////////////////////////////////////////
1090 char M500HostCodeKey( uchar *uncoded, uchar *coded)
1091 {
1092 1 char idata status = MI_OK;
1093 1 uchar idata cnt = 0;
1094 1 uchar idata ln = 0;
1095 1 uchar idata hn = 0;
1096 1 for (cnt = 0; cnt < 6; cnt++)
1097 1 {
1098 2 ln = uncoded[cnt] & 0x0F;
1099 2 hn = uncoded[cnt] >> 4;
1100 2 coded[cnt * 2 + 1] = (~ln << 4) | ln;
1101 2 coded[cnt * 2 ] = (~hn << 4) | hn;
1102 2 }
1103 1 return MI_OK;
1104 1 }
1105
1106 ///////////////////////////////////////////////////////////////////////
1107 //校验状态
1108 ///////////////////////////////////////////////////////////////////////
1109 char M500PiccAuthState( uchar auth_mode,uchar *snr,uchar block)
C51 COMPILER V6.23a MAIN 08/14/2006 14:40:24 PAGE 19
1110 {
1111 1 char idata status = MI_OK;
1112 1 uchar idata i = 0;
1113 1
1114 1 status = ReadIO(RegErrorFlag);
1115 1 if (status != MI_OK)
1116 1 {
1117 2 if (status & 0x40)
1118 2 {
1119 3 status = MI_KEYERR;
1120 3 }
1121 2 else
1122 2 {
1123 3 status = MI_AUTHERR;
1124 3 }
1125 2 }
1126 1 else
1127 1 {
1128 2 SerBuffer[0] = auth_mode;
1129 2
1130 2 SerBuffer[1] = block;
1131 2 memcpy(SerBuffer + 2,snr,4);
1132 2 ResetInfo(MInfo);
1133 2 MInfo.nBytesToSend = 6;
1134 2 if ((status = M500PcdCmd(PCD_AUTHENT1,SerBuffer,&MInfo)) == MI_OK)
1135 2 {
1136 3 if (ReadIO(RegSecondaryStatus) & 0x07)
1137 3 {
1138 4 status = MI_BITCOUNTERR;
1139 4 }
1140 3 else
1141 3 {
1142 4 ResetInfo(MInfo);
1143 4 MInfo.nBytesToSend = 0;
1144 4 if ((status = M500PcdCmd(PCD_AUTHENT2,
1145 4 SerBuffer,
1146 4 &MInfo)) == MI_OK)
1147 4 {
1148 5 if ( ReadIO(RegControl) & 0x08 )
1149 5 {
1150 6 status = MI_OK;
1151 6 }
1152 5 else
1153 5 {
1154 6 status = MI_AUTHERR;
1155 6 }
1156 5 }
1157 4 }
1158 3 }
1159 2 }
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 V6.23a MAIN 08/14/2006 14:40:24 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 V6.23a MAIN 08/14/2006 14:40:24 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 V6.23a MAIN 08/14/2006 14:40:24 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⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -