📄 r6c.lst
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252 1 }
253
254 void _sendfifocmd(void)
255 {
256 1 bit flag;
257 1 uchar Bytecnt,nrofBytes ,bitcnt,nbBit,ISOcmd;
258 1 uint i;
259 1
260 1 ISOcmd = ReflectBYTE(pcdata[5]);
261 1 /*
262 1 pcdata[1] = pcdata[1]&0x07;
263 1 if (pcdata[2]==0x16)
264 1 nrofBytes = pcdata[0]-3-2; //last 2 bytes are for CRC.
265 1 else if (pcdata[2]==0x18)
266 1 {
267 1 nrofBytes = 1; // send only command nr
268 1 pcdata[1] = 0;
269 1 }
270 1 else
271 1 nrofBytes = pcdata[0]-3;
272 1 */
273 1 nrofBytes = pcdata[0]-3;
274 1
275 1 _startBit();
276 1
277 1 for(Bytecnt=0;Bytecnt<nrofBytes ;Bytecnt++)
278 1 {
279 2 if(Bytecnt<nrofBytes-1)
280 2 nbBit = 8;
281 2 else if(!pcdata[1])
282 2 nbBit = 8;
283 2 else
284 2 nbBit = pcdata[1];
285 2 for(bitcnt=0;bitcnt<nbBit;bitcnt++)
286 2 {
287 3 //_setTimer(2);
288 3 while ((DOUT)&&(!TIMERINT)); //FIFO Management
289 3 clrTimer();
290 3 pcdata[Bytecnt+3] = pcdata[Bytecnt+3] << 1;
291 3 flag = CY;
292 3 _sendBit(flag);
293 3 }
294 2 if(Bytecnt == 0)
295 2 {
296 3 for(i=0;i<0x5FF;i++);
297 3 }
298 2 }
299 1 /*
300 1 switch (ISOcmd)
301 1 {
302 1 case 0x21: case 0x22: case 0x24:
303 1 case 0x27: case 0x28: case 0x29: case 0x2A:
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 6
304 1 case 0xA2: case 0xA3: case 0xa4: case 0xa5:
305 1 {
306 1 _setTimer(2);
307 1 while((DOUT)&&(!TIMERINT)); _stopBit();
308 1
309 1 _clrTimer();
310 1 for(i=0;i<0xbff;i++); break;
311 1 }
312 1 }
313 1 */
314 1 }
315
316 bit b_collision;
317 bit userCardOk;
318 #define TIME_OUT_ASICRDY 3 //30 ms
319 #define TIME_OUT_TAGRDY 3 //30 ms
320 #define TIME_OUT_READDATA 10 //80 ms
321
322 void _gettagresponse(uchar responseaftercmd, char SID)
323 {
324 1 uchar Bytecnt,bitcnt, ASICRDY, TAGRDY, TAGDONE, bitval, temp;
325 1 bit b_col = 0;
326 1 b_collision = 0;
327 1 ASICRDY = 0; TAGRDY = 0;
328 1 while((DOUT)); _stopBit(); _nop_(); _nop_();
329 1 while((DOUT));
330 1 _trans1();
331 1 if (responseaftercmd) // wait for buffer to empty before cont.
332 1 {
333 2 TH0 = 0x63; TL0 = 0xc0; //12ms
334 2 _setTimer(TIME_OUT_ASICRDY); //wait for ERR-pulse
335 2 while ((!M_ERR)&&(!TIMERINT));
336 2 if (M_ERR)
337 2 {
338 3 while ((M_ERR)&&(!TIMERINT));
339 3 if (!M_ERR)
340 3 { //err pulse (typ. 18us) detected
341 4 ASICRDY = 1;
342 4 TH0 = 0x63; TL0 = 0xc0; //12ms
343 4 _setTimer(TIME_OUT_TAGRDY);
344 4 }
345 3 }
346 2 }
347 1 /*
348 1 else
349 1 {
350 1 ASICRDY=1;
351 1 TH0 = 0x63; TL0 = 0xc0; //12ms
352 1 _setTimer(TIME_OUT_TAGRDY);
353 1 }
354 1 */
355 1 if(ASICRDY)
356 1 { // wait for tag to respond; wait for S2 signal.
357 2 while((!TAGRDY)&&(!TIMERINT))
358 2 {
359 3 if (_findS2())
360 3 {
361 4 TAGRDY=1;
362 4 TH0 = 0x63; TL0 = 0xc0; //12ms
363 4 _setTimer(TIME_OUT_READDATA);
364 4 }
365 3 }
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 7
366 2 }
367 1 if(TAGRDY)
368 1 {
369 2 TAGDONE=0;
370 2 bitcnt=0;
371 2 Bytecnt=3; //It's value is nr of bytes -1 (i.e. the value in [o])
372 2
373 2 temp= 0;
374 2 while ((!TAGDONE)&&(!TIMERINT))
375 2 {
376 3 bitval =_readbit();
377 3 switch (bitval)
378 3 {
379 4 case 0x02:
380 4 b_col = 1;
381 4 break;
382 4
383 4 case 0x03:
384 4 TAGDONE =1; //received ES2
385 4 pcdata[Bytecnt] = temp;
386 4 pcdata[0] = Bytecnt;
387 4 pcdata[1] = bitcnt;
388 4 if(chkCRC(pcdata+3,Bytecnt-3))
389 4 {
390 5 userCardOk = 1;
391 5 }
392 4 break;
393 4
394 4 case 0x04: //timeout
395 4 break;
396 4
397 4 default:
398 4 if (bitcnt==8) //start new byte
399 4 {
400 5 if(Bytecnt <100)
401 5 {
402 6 pcdata[Bytecnt] = temp;
403 6 temp=0;
404 6 bitcnt =0;
405 6 Bytecnt++;
406 6 }
407 5 }
408 4 bitcnt++;
409 4 temp = temp*2 + bitval;
410 4 break;
411 4 }
412 3 }
413 2 }
414 1 /*
415 1 else if (SID) //no tag in slot, doesn't mean timeout
416 1 TIMERINT=0;//TIFR = TIFR|0x10; //reset TIMERINT
417 1 */
418 1
419 1 b_collision = b_col;
420 1 _trans2(); //uctrl becomes again master of clock
421 1 _clrTimer();
422 1 }
*** WARNING C280 IN LINE 322 OF R6C.C: 'SID': unreferenced local variable
423 uchar rd_ConReg(void)
424 {
425 1 uchar j,bitval;
426 1 bit flag;
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 8
427 1
428 1 pcdata[2]=0;
429 1 _startBit();
430 1 pcdata[0] =4;
431 1 pcdata[1] =0;
432 1 pcdata[2] =0;
433 1 pcdata[3]=0x71; /* send command */
434 1 for(j=0;j<8;j++)
435 1 {
436 2 pcdata[3] = pcdata[3] << 1;
437 2 flag = CY;
438 2 _sendBit(flag);
439 2 }
440 1 for(j=0;j<8;j++) /*get regCfg*/
441 1 {
442 2 bitval = _rwbit(0);
443 2 pcdata[2] = pcdata[2]*2 + bitval;
444 2 }
445 1 _stopBit(); /*send ES1*/
446 1 pcdata[0] = 0x03;
447 1 pcdata[1] = 0x00;
448 1 return(pcdata[2]);
449 1 }
450
451
452 void switchon(void)
453 {
454 1 _startBit();
455 1 _sendBit(1);
456 1 _stopBit();
457 1 }
458
459 uchar xx = 0x30;
460 uchar _commandrd(void)
461 {
462 1 uchar i;
463 1 pcdata[1] = 0;
464 1 pcdata[2] = 0x00;
465 1 pcdata[3] = 0x39; /* 通讯参数设置：调制100%、低数据率、FM调制、无曼彻斯特解调*/
466 1
467 1
468 1 //if(++xx>0x3F) xx = 0x30;
469 1
470 1
471 1 for(i= 4;i<pcdata[0];i++)
472 1 {
473 2 pcdata[i] = ReflectBYTE(pcdata[i]); /*数据倒序*/
474 2 }
475 1 _sendfifocmd();
476 1 _gettagresponse(1,0);
477 1 if (TIMERINT) { return(0); }
478 1 else { return(1); }
479 1 }
480
481 void send_ISO_cmd(uchar flags,uchar cmd,uchar dataPstion,uchar paraLength)
482 {
483 1 uint crc_val;
484 1
485 1 pcdata[4] = flags;
486 1 pcdata[5] = cmd;
487 1
488 1 crc_val = crc16Calculate(pcdata+4,2+paraLength);
C51 COMPILER V8.08 R6C 01/18/2009 20:00:52 PAGE 9
489 1 pcdata[6+paraLength] = LOBYTE(crc_val);
490 1 pcdata[7+paraLength] = HIBYTE(crc_val);
491 1 pcdata[0] = 8+paraLength;
492 1 _commandrd();
493 1 }
*** WARNING C280 IN LINE 481 OF R6C.C: 'dataPstion': unreferenced local variable
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 946 ----
CONSTANT SIZE = 16 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 5 15
IDATA SIZE = 140 ----
BIT SIZE = 5 5
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 2 WARNING(S), 0 ERROR(S)
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