📄 main.lst
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246 3 break;
247 3 /*
248 3 case 0x80 :
249 3 ReadWordToPC(); //读卡
250 3 break;
251 3 case 0x81 :
252 3 WriteWordtoCard(); //写卡
253 3 break;
254 3 case 0x82 :
255 3 Login(); //
256 3 break;
257 3 case 0x83 :
258 3 Disable();
259 3 break;
260 3 case 0x84 :
261 3 PCLinkReader(); //PC要求与读卡器连接
262 3 break;
263 3 case 0x85 :
264 3 //DefaultRead(); //
265 3 break;
266 3 case 0x86 :
267 3 Readonly_autodetection(); //只读，自动检测，可读4100，配置4469，读4469
268 3 break;
269 3 case 0xFB :
270 3 GetReaderConfiguration(); //读取读卡器的配置参数
271 3 break;
272 3 case 0xFC :
273 3 SetReaderConfiguration(); //设置读卡器的配置参数
274 3 break;
275 3 case 0xFD :
276 3 ReadStatusToPC(); //读卡
277 3 break;
278 3 case 0xFE :
279 3 FieldSwitch();
280 3 break;
281 3 */
282 3 default :
283 3 break;
284 3 }
285 2 }
286 1 }
287 /*
288 //读卡数据,区地址＝rx_buff[3]，发送到PC，本版本支持的PC演示软件可以看到相应的数据
289 void ReadWordToPC(void)
290 {
291 uchar fwd_bit_count;
292 fwd_bit_count = Prepare_Cmd( FWD_CMD_READ );
293 fwd_bit_count += Prepare_Addr(rx_buff[1]);
294 SendForward(fwd_bit_count);
295 Wait(tpp_period);
296 maxCaptureTimeLow = maxTRead; //=3880
297 maxCaptureTimeHi = 0;
298 ManchesterRead();
299 tx_buff[0]=0x02; //帧头
300 tx_buff[1]=0x09; //帧信息长度，从tx_buff[2]开始计算，到tx_buff[10]=0x03结束
301 tx_buff[2]=0x80; //命令字
302 tx_buff[3]=check_stat;
C51 COMPILER V7.50 MAIN 08/14/2006 15:15:34 PAGE 6
303 tx_buff[4]= rx_buff[3]; //地址
304 tx_buff[5]=capture_data[0]; //数据
305 tx_buff[6]=capture_data[1]; //数据
306 tx_buff[7]=capture_data[2]; //数据
307 tx_buff[8]=capture_data[3]; //数据
308 tx_buff[9]=(tx_buff[1]^tx_buff[2]^tx_buff[3]^tx_buff[4]^tx_buff[5]^tx_buff[6]^tx_buff[7]^tx_buff[8]);
309 //tx_buff[9]是校验和
310 tx_buff[10]=0x03; //帧结束标志
311 trace(tx_buff,11); //发送到PC 11个字节
312 }
313
314 //写PC传过来的数据到ID卡上
315 void WriteWordtoCard(void)
316 {
317 uchar fwd_bit_count;
318
319 fwd_bit_count = Prepare_Cmd( FWD_CMD_WRITE );
320 fwd_bit_count += Prepare_Addr(rx_buff[1]);
321 fwd_bit_count += Prepare_Data(( ((uint)rx_buff[5] << 8) + rx_buff[4]), ( ((uint)rx_buff[7] << 8) + rx_b
-uff[6]));
322 if (rx_buff[3] == 0x04)
323 { //32位配置字
324
325 halfDataRate = 32;// datarate = RF/64
326 MaxCaptureHalfDateRate = halfDataRate + (halfDataRate >> 1); //=48
327 MaxCaptureDateRate = halfDataRate + halfDataRate + (halfDataRate >> 1); //=80
328 lwr = config_lwr;
329 delayed = config_delayed;
330 raw = config_raw;
331 //forward_link_type = 0x01;
332 maxTLogin = 4 + (4 + 9) * 2 * (uint)halfDataRate;
333 maxTWrite = 1144 + (4 + 8) * 2 * (uint)halfDataRate;
334 maxTWriteRaw = 1144 + (4 + 5 + 54) * 2 * (uint)halfDataRate;
335 maxTRead = (100) + 4 + (5 + 54) * 2 * (uint)halfDataRate;
336 maxTDisable = maxTLogin;
337 maxTDefaultRead = 2*((lwr-4)*4*8)*2*((uint32)halfDataRate);
338 tpp_period = 4 + 2 * (uint)halfDataRate - 4;
339 twr_period = (68 + 64 + 896 + 116) + 2 * (uint)halfDataRate - 4;
340 }
341
342 SendForward(fwd_bit_count);
343 Wait(twr_period);
344 maxCaptureTimeHi = 0;
345 maxCaptureTimeLow = maxTWrite;
346
347 ManchesterWrite();
348
349 tx_buff[0]=0x02;
350 tx_buff[1]=0x04;
351 tx_buff[2]=0x81;
352 tx_buff[3]=check_stat;
353 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]);
354 tx_buff[5]=0x03;
355 trace(tx_buff,6);
356 }
357
358 //控制天线命令
359 void FieldSwitch(void)
360 {
361 if (rx_buff[3] & 1 )
362 {
363 SHD=0; //打开天线
C51 COMPILER V7.50 MAIN 08/14/2006 15:15:34 PAGE 7
364 }
365 else
366 {
367 SHD=1; // 关闭天线
368 }
369 tx_buff[0]=0x02; //帧头
370 tx_buff[1]=0x04; //长度
371 tx_buff[2]=0xfe; //命令
372 tx_buff[3]=0;
373 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]); //检验和
374 tx_buff[5]=0x03; //帧结束
375 trace(tx_buff,6);
376 }
377
378 //不可用，匹配PC演示程序，直接返回 设置成功
379 void SetReaderConfiguration(void)
380 {
381 tx_buff[0]=0x02;
382 tx_buff[1]=0x04;
383 tx_buff[2]=0xfc;
384 tx_buff[3]=0;
385 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]);
386 tx_buff[5]=0x03;
387 trace(tx_buff,6);
388 }
389
390 //读取DEMO读卡器的配置参数
391 void GetReaderConfiguration(void)
392 {
393 uchar q;
394 q = 1;
395 get_settings_low = (q<<6) | (halfDataRate - 1);
396 q = (q >> 2) | (delayed << 4) | ((lwr & 3) << 6);
397 get_settings_low |= (uint)q << 8;
398 get_settings_hi = ((raw << 6) | (lwr >> 2));// | (forward_link_type >> 1);
399
400 tx_buff[0]=0x02;
401 tx_buff[1]=0x08;
402 tx_buff[2]=0xfb;
403 tx_buff[3]=0;
404 tx_buff[4]=(uchar)get_settings_low;
405 tx_buff[5]=get_settings_low>>8;
406 tx_buff[6]=(uchar)get_settings_hi;
407 tx_buff[7]=get_settings_hi>>8;
408 tx_buff[8]=(tx_buff[1]^tx_buff[2]^tx_buff[3]^tx_buff[4]^tx_buff[5]^tx_buff[6]^tx_buff[7]);
409 tx_buff[9]=0x03;
410 trace(tx_buff,10);
411 }
412
413 void Disable(void)
414 {
415 uchar fwd_bit_count;
416 fwd_bit_count = Prepare_Cmd( FWD_CMD_DISABLE );
417 fwd_bit_count += Prepare_Data( 0xFFFF, 0xFFFF );
418 SendForward(fwd_bit_count);
419 Wait(tpp_period);
420 maxCaptureTimeLow = maxTDisable;
421 maxCaptureTimeHi = 0;
422
423 ManchesterRead();
424
425 tx_buff[0]=0x02;
C51 COMPILER V7.50 MAIN 08/14/2006 15:15:34 PAGE 8
426 tx_buff[1]=0x04;
427 tx_buff[2]=0x83;
428 tx_buff[3]=check_stat;
429 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]);
430 tx_buff[5]=0x03;
431 trace(tx_buff,6);
432 }
433
434 void Login(void)
435 {
436 uchar fwd_bit_count;
437 fwd_bit_count = Prepare_Cmd( FWD_CMD_LOGIN );
438 fwd_bit_count += Prepare_Data(( ((uint)rx_buff[4] << 8) + rx_buff[3]), ( ((uint)rx_buff[6] << 8) + rx_buf
-f[5]));
439 SendForward(fwd_bit_count);
440 Wait(tpp_period);
441 maxCaptureTimeLow = maxTLogin;
442 maxCaptureTimeHi = 0;
443 ManchesterWrite();
444 tx_buff[0]=0x02;
445 tx_buff[1]=0x04;
446 tx_buff[2]=0x82;
447 tx_buff[3]=check_stat;
448 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]);
449 tx_buff[5]=0x03;
450 trace(tx_buff,6);
451 }
452
453
454 void PCLinkReader(void)
455 {
456 tx_buff[3]=UART_MESSAGE_OK;
457 tx_buff[0]=0x02;
458 tx_buff[1]=0x04;
459 tx_buff[2]=0x84;
460 tx_buff[4]=(tx_buff[1]^tx_buff[2]^tx_buff[3]);
461 tx_buff[5]=0x03;
462 trace(tx_buff,6);
463 speak_on();
464 }
465
466 void Readonly_autodetection(void)
467 {
468 uchar i,j,k,l;
469
470 uchar idata autodection_data[32];
471 uchar array_subscript; //小标
472 uchar bit_subscript;
473 uint capt;
474 uint icr;
475 bit flag_RO_last_capt_half=0;
476 uchar count_autodection_bit=0;
477 bit flag_header_found=0;
478 bit flag_stop_found=0;
479 bit flag_line_check=0;
480 bit flag_column_check=0;
481 uchar check=0;
482 uchar custID=0;
483 uchar idata DataItem[4]={0,0,0,0};
484 uchar bit_number;
485 bit flag_tag_datarate_bigger;
486 bit flag_invalid_edge_manchester;
C51 COMPILER V7.50 MAIN 08/14/2006 15:15:34 PAGE 9
487 uchar times_capture_manchester;
488
489 //halfDataRate = 32;//config_data_rate+1;
490 MaxCaptureHalfDateRate = 48;//halfDataRate+(halfDataRate>>1);
491 MaxCaptureDateRate = 80;//halfDataRate+halfDataRate+(halfDataRate>>1);
492 //lwr = 7;//config_lwr;
493 //maxTDefaultRead = 0x3000;//2*((lwr-4)*4*8)*2*((uint32)halfDataRate);
494 maxCaptureTimeLow = 0x3000;//(uint)maxTDefaultRead;
495 maxCaptureTimeHi = 0x30;//(uchar)(maxTDefaultRead >> 16);
496 last_capture = 0xcfff;//~maxCaptureTimeLow;
497 TF2 = 0;
498 TR2 = 0;
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