?? fm1715.lst
字號:
264 1 }
265
266 //********************************************************************
267 //name:Clear_FIFO
268 //function: Clear the data in FIFO
269 //input:N/A
270 //output: TRUE, FIFO has been cleared
271 // FALSE, FIFO hasn't beend cleared
272 //********************************************************************
273 uchar Clear_FIFO(void)
274 {
275 1 uchar temp;
276 1 uint i;
277 1
278 1 temp=Control; //Clear FIFO
279 1 temp=(temp|0x01);
280 1 Control=temp;
281 1 for(i=0;i<RF_TimeOut;i++) //檢查FIFO是否為空
282 1 {
283 2 temp=FIFO_Length;
284 2 if(temp==0)
285 2 {
286 3 return TRUE;
287 3 }
288 2 }
289 1 return FALSE;
290 1 }
291
292 //******************************************************************
293 //name: Write_FIFO
294 //function: write n bytes to FM1715's FIFO
295 //input: count , the data's length
296 // buff, point to the data that to be writen
297 //output: N/A
298 //******************************************************************
299 void Write_FIFO(uchar count,uchar idata *buff)
300 {
301 1 uchar i;
302 1 for(i=0;i<count;i++)
303 1 {
C51 COMPILER V7.07 FM1715 02/28/2007 14:01:52 PAGE 6
304 2 FIFO=*(buff+i);
305 2 }
306 1 }
307
308 //*****************************************************************
309 //name: Read_FIFO
310 //function: read data from FM1715's FIFO
311 //input: buff, 指向讀出數(shù)據(jù)的指針
312 //output: N/A
313 //*****************************************************************
314 uchar Read_FIFO(uchar idata *buff)
315 {
316 1 uchar temp;
317 1 uchar i;
318 1
319 1 temp=FIFO_Length;
320 1 if(temp==0)
321 1 {
322 2 return 0;
323 2 }
324 1 if(temp>=24) //temp=255,會進入死循環(huán),因此增加FIFO_length越界判斷
325 1 {
326 2 temp=24;
327 2 }
328 1 for(i=0;i<temp;i++)
329 1 {
330 2 *(buff+i)=FIFO;
331 2 }
332 1 return temp;
333 1 }
334
335
336 //******************************************************************
337 //name: Command_Send
338 //function: send command to FM1715
339 //input: count, the length of command
340 // buff, point to the data that ready to send
341 // Comm_Set, command code
342 //output: TRUE , running command succeed
343 // FALSE, running command error
344 //******************************************************************
345 uchar Command_Send(uchar count,uchar idata *buff,uchar Comm_Set)
346 {
347 1 uint j;
348 1 uchar idata temp,temp1;
349 1 Command=0x00;
350 1 Clear_FIFO();
351 1 Write_FIFO(count,buff);
352 1 // temp=MFOUTSelect;
353 1 Command=Comm_Set; //running command
354 1 for(j=0;j<RF_TimeOut;j++)
355 1 {
356 2 // temp=MFOUTSelect;
357 2 temp=Command;
358 2 temp1=Int_Req&0x80;
359 2 if((temp==0x00)||(temp1==0x80))
360 2 {
361 3 Green=!Green;
362 3 return TRUE;
363 3 }
364 2 }
365 1 return FALSE;
C51 COMPILER V7.07 FM1715 02/28/2007 14:01:52 PAGE 7
366 1 }
367
368
369 //*****************************************************************
370 //name: MIF_Halt
371 //function: halt the mifare card
372 //input: N/A
373 //output: FM1715_OK : ack succeed
374 // FM1715_PARITYERR: parity verify error
375 // FM1715_CRCERR: CRC verify error
376 // FM1715_NOTAGERR: na card
377 //*****************************************************************
378 uchar MIF_Halt(void)
379 {
380 1 uchar temp;
381 1 CRCPresetLSB=0x63;
382 1 CWConductance=0x3f;
383 1 ChannelRedundancy=0x03;
384 1 *buffer=RF_CMD_HALT;
385 1 *(buffer+1)=0x00;
386 1 temp=Command_Send(2,buffer,Transceive);
387 1 if(temp == FALSE)
388 1 {
389 2 return FM1715_OK;
390 2 }
391 1 else
392 1 {
393 2 temp = ErrorFlag;
394 2 if((temp&0x02)==0x02)
395 2 {
396 3 return(FM1715_PARITYERR);
397 3 }
398 2 if((temp&0x04)==0x04)
399 2 {
400 3 return(FM1715_FRAMINGERR);
401 3 }
402 2 return(FM1715_NOTAGERR);
403 2 }
404 1 }
405
406 //********************************************************************
407 //name: Load_key_CPY
408 //function: save E2's password to FM1715's keybuffer
409 //input: keybuffer: save key to this buffer
410 //output: TRUE: load key succeed
411 // FLASE: load key fail
412 //********************************************************************
413 uchar Load_key_CPY(void)
414 {
415 1 uchar temp,i;
416 1 uchar ln=0;
417 1 uchar hn=0;
418 1
419 1 for(i=0;i<6;i++) //change the key to RC531 format
420 1 {
421 2 ln=keybuffer[i]&0x0f; //low four bit
422 2 hn=keybuffer[i]>>4; //high four bit
423 2 buffer[i*2+1]=(~ln<<4)|ln;
424 2 buffer[i*2]=(~hn<<4)|hn;
425 2 }
426 1 temp=Command_Send(12,buffer,LoadKey);
427 1 temp=ErrorFlag&0x40;
C51 COMPILER V7.07 FM1715 02/28/2007 14:01:52 PAGE 8
428 1 if(temp==0x40)
429 1 {
430 2 return FALSE;
431 2 }
432 1 return TRUE;
433 1 }
434
435
436 //***********************************************************************
437 //name: delay
438 //function:
439 void delay(uchar i)
440 {
441 1 int j;
442 1 while(i)
443 1 {
444 2 for(j=0x00;j<0x1000;j++);
445 2 i--;
446 2 }
447 1 }
448
449 //***********************************************************************
450 //name: Request
451 //function: response the card's request in FM1715's control range
452 //input: mode: ALL(monitor card in FM1715 control range)
453 // STD:(monitor the halt card in FM1715's control range)
454 //output: FM1715_NOTAGERR: no card
455 // FM1715_OK: ack succeed
456 // FM1715_REQERR: ack error
457 //************************************************************************
458 uchar Request(uchar mode)
459 {
460 1 uchar temp;
461 1 TxControl=0x58;
462 1 delay(1);
463 1 TxControl=0x5b;
464 1 CRCPresetLSB=0x63;
465 1 CWConductance=0x3f;
466 1 buffer[0]=mode; //select Request mode
467 1 Bit_Frame=0x07; //send 7 bit
468 1 ChannelRedundancy=0x03; //closed CRC
469 1 TxControl=0x5b;
470 1 Control=0x01; //mask CRYPT01 bit
471 1
472 1 temp=Command_Send(1,buffer,Transceive);
473 1
474 1 if(temp==FALSE)
475 1 {
476 2 return FM1715_NOTAGERR;
477 2 }
478 1
479 1 Read_FIFO(buffer); //read ack information from FIFO
480 1 tagtype[0]=buffer[0];
481 1 tagtype[1]=buffer[1];
482 1
483 1 return FM1715_OK;
484 1 }
485
486 //**************************************************************************
487 //name: AntiColl(void)
488 //function: anticollision for the card in FM1715's control range
489 //input: N/A
C51 COMPILER V7.07 FM1715 02/28/2007 14:01:52 PAGE 9
490 //output: FM1715_NOTAGERR: no card
491 // FM1715_BYTECOUNTERR: receive byte error
492 // FM1715_SERNRERR: card's serial ack error
493 // FM1715_OK: card ack succeed
494 //**************************************************************************
495 uchar AntiColl(void)
496 {
497 1 uchar temp;
498 1 uchar i;
499 1 uchar row,col;
500 1 uchar pre_row;
501 1
502 1 row=0;
503 1 col=0;
504 1 pre_row=0;
505 1
506 1 CRCPresetLSB=0x63;
507 1 CWConductance=0x3f;
508 1 ModConductance=0x3f;
509 1 // ChannelRedundancy=0x03; //closed CRC,start parity
510 1
511 1 buffer[0]=RF_CMD_ANTICOL;
512 1 buffer[1]=0x20;
513 1 ChannelRedundancy=0x03; //closed CRC,start parity
514 1 temp=Command_Send(2,buffer,Transceive);
515 1
516 1 while(1)
517 1 {
518 2 if(temp==FALSE)
519 2 {
520 3 return(FM1715_NOTAGERR);
521 3 }
522 2 temp = ErrorFlag;
523 2 if((temp & 0x02)==0x02)
524 2 return(FM1715_PARITYERR);
525 2 if((temp & 0x04)==0x04)
526 2 return(FM1715_FRAMINGERR);
527 2 temp=FIFO_Length;
528 2 if (temp==0)
529 2 {
530 3 return FM1715_BYTECOUNTERR;
531 3 }
532 2 Read_FIFO(buffer);
533 2 Save_UID(row, col, temp); //將收到的UID 放入UID 數(shù)組中
534 2 // Show_UID(); //顯示UID
535 2 temp=ErrorFlag; //
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -