📄 mainloop.lst
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262 /*Receive = Enabled */
263 /*Auto Addressing = Disabled */
264 void init_serial(void)
265 {
266 1 #ifdef __C51__
267 1 SCON = 0X52;
268 1 PCON = 0X80 | PCON;
269 1 TMOD = 0X20;
270 1 TCON = 0x69; /* TCON */
271 1 TH1 = 0xF3;
272 1 #endif
273 1 }
274
275 void on_exit(void)
276 {
277 1 #ifndef __C51__
unsigned char c;
disable();
c = inportb(0x21);
c |= 0x20;
outportb(0x21, c);
setvect(0xD, OldUsbIsr);
setvect(0x8, OldTimerIsr);
disconnect_USB();
enable();
C51 COMPILER V8.02 MAINLOOP 07/27/2007 11:10:49 PAGE 20
farfree(privateBuffer);
#endif
296 1 }
297
298 void main(void)
299 {
300 1
301 1 BOOL in_loop = TRUE;
302 1 unsigned char key, i;
303 1 #ifndef __C51__
unsigned long ClockSec, last_clk;
#endif
306 1
307 1 init_port();
308 1
309 1 init_serial();
310 1
311 1 init_timer0();
312 1
313 1 init_special_interrupts();
314 1
315 1 printf("\nPDIUSBD12 evaluation board firmware V2.2.\n");
316 1 printf("Copyright (c) Philips Semiconductors, 1998.\n");
317 1
318 1 /* Power on reset, lightup LEDs for 1 sec,
319 1 disconnect and reconnect Soft-Connect */
320 1 printf("Re-connect PDIUSBD12 evaluation board to USB.\n");
321 1 reconnect_USB();
322 1
323 1 /* Main program loop */
324 1
325 1 while( in_loop ){
326 2
327 2 #ifdef __C51__
328 2 if (bEPPflags.bits.timer){
329 3 DISABLE;
330 3 bEPPflags.bits.timer = 0;
331 3 ENABLE;
332 3
333 3 if(bEPPflags.bits.configuration)
334 3 check_key_LED();
335 3 }
336 2
337 2 if(RI) {
338 3 key = _getkey();
339 3 #else
if (bEPPflags.bits.timer){
DISABLE;
bEPPflags.bits.timer = 0;
ENABLE;
if(bEPPflags.bits.configuration)
check_key_LED();
ClockSec = ClockTicks*10/182;
if(ClockSec != last_clk) {
printf("Idle time = %ld sec.\r", (ClockTicks - ClockIsr)*10/182);
last_clk = ClockSec;
}
}
if( bioskey(1) ) {
C51 COMPILER V8.02 MAINLOOP 07/27/2007 11:10:49 PAGE 21
key = bioskey(0);
key &= 0xff;
#endif
359 3 switch(key) {
360 4 case 0x1b: /* ESC */
361 4 #ifndef __C51__
in_loop = FALSE;
#endif
364 4 break;
365 4 case 'r':
366 4 D12_SendResume();
367 4 break;
368 4 case 'i':
369 4 if(bEPPflags.bits.control_state == USB_IDLE)
370 4 printf("Control state = USB_IDLE.");
371 4 else if(bEPPflags.bits.control_state == USB_RECEIVE)
372 4 printf("Control state = USB_RECEIVE.");
373 4 else if(bEPPflags.bits.control_state == USB_TRANSMIT)
374 4 printf("Control state = USB_TRANSMIT.");
375 4 printf(" ControlData.wCount = %x.\n", ControlData.wCount);
376 4 #ifndef __C51__
printf("Endpoint 4 (Bulk Out) Status = %x, Endpoint 5 (Bulk In) Status = %x.\n",
D12_ReadEndpointStatus(4), D12_ReadEndpointStatus(5));
printf("ioSize = %x, ioCount = %x.\n", ioSize, ioCount);
#else
381 4 printf("Endpoint 4 (Bulk Out) Status = %bx, Endpoint 5 (Bulk In) Status = %bx.\n",
382 4 D12_ReadEndpointStatus(4), D12_ReadEndpointStatus(5));
383 4 #endif
384 4 if(bEPPflags.bits.dma_state == DMA_IDLE)
385 4 printf("DMA_State = DMA_IDLE.\n");
386 4 else if(bEPPflags.bits.dma_state == DMA_RUNNING)
387 4 printf("DMA_State = DMA_RUNNING.\n");
388 4 else if(bEPPflags.bits.dma_state == DMA_PENDING)
389 4 printf("DMA_State = DMA_PENDING.\n");
390 4
391 4 #ifndef __C51__
printf("Last Device Request: bmRequestType = 0x%x, bRequest= 0x%x, wValue = 0x%x, wLength = 0x%x, wIn
-dex = 0x%x.\n",
ControlData.DeviceRequest.bmRequestType,
ControlData.DeviceRequest.bRequest,
ControlData.DeviceRequest.wValue,
ControlData.DeviceRequest.wLength,
ControlData.DeviceRequest.wIndex);
#else
399 4 MCU_HOSTDACK = 1;
400 4 printf("CPLD counter read back = 0x%bx, 0x%bx.\n", inportb(CPLD_CNT0),
401 4 inportb(CPLD_CNT1));
402 4 MCU_HOSTDACK = 0;
403 4 printf("Last Device Request: bmRequestType = 0x%bx, bRequest= 0x%bx, wValue = 0x%x, wLength = 0x%x, w
-Index = 0x%x.\n",
404 4
405 4 ControlData.DeviceRequest.bmRequestType,
406 4 ControlData.DeviceRequest.bRequest,
407 4 ControlData.DeviceRequest.wValue,
408 4 ControlData.DeviceRequest.wLength,
409 4 ControlData.DeviceRequest.wIndex);
410 4 #endif
411 4
412 4 printf("Data: ");
413 4 for(i = 0; i < ControlData.DeviceRequest.wLength; i ++)
414 4 #ifndef __C51__
printf("0x%x, ", *((ControlData.dataBuffer)+i));
C51 COMPILER V8.02 MAINLOOP 07/27/2007 11:10:49 PAGE 22
#else
417 4 printf("0x%bx, ", *((ControlData.dataBuffer)+i));
418 4 #endif
419 4 printf("\n");
420 4
421 4 break;
422 4 case '\r':
423 4 reconnect_USB();
424 4 break;
425 4
426 4 case 'v':
427 4 if(bEPPflags.bits.verbose == 0) {
428 5 printf("Verbose Mode = ON.\n");
429 5 DISABLE;
430 5 bEPPflags.bits.verbose = 1;
431 5 ENABLE;
432 5 }
433 4 else {
434 5 printf("Verbose Mode = OFF.\n");
435 5 DISABLE;
436 5 bEPPflags.bits.verbose = 0;
437 5 ENABLE;
438 5 }
439 4 break;
440 4 default:
441 4 break;
442 4 }
443 3 }
444 2
445 2
446 2 if (bEPPflags.bits.bus_reset) {
447 3 DISABLE;
448 3 bEPPflags.bits.bus_reset = 0;
449 3 ENABLE;
450 3 printf("Bus reset!\n");
451 3 } // if bus reset
452 2
453 2 if (bEPPflags.bits.suspend) {
454 3 DISABLE;
455 3 bEPPflags.bits.suspend= 0;
456 3 ENABLE;
457 3 suspend_change();
458 3 printf("Suspend change!\n");
459 3 } // if suspend change
460 2
461 2 if (bEPPflags.bits.setup_packet){
462 3 DISABLE;
463 3 bEPPflags.bits.setup_packet = 0;
464 3 ENABLE;
465 3 control_handler();
466 3 } // if setup_packet
467 2
468 2 if(bEPPflags.bits.setup_dma) {
469 3 DISABLE;
470 3 bEPPflags.bits.setup_dma = 0;
471 3 ENABLE;
472 3 setup_dma();
473 3 } // if setup_dma
474 2
475 2 } // Main Loop
476 1
477 1 on_exit();
C51 COMPILER V8.02 MAINLOOP 07/27/2007 11:10:49 PAGE 23
478 1 }
479
480 void suspend_change(void)
481 {
482 1 }
483
484 void stall_ep0(void)
485 {
486 1 D12_SetEndpointStatus(0, 1);
487 1 D12_SetEndpointStatus(1, 1);
488 1 }
489
490 void disconnect_USB(void)
491 {
492 1 // Initialize D12 configuration
493 1 D12_SetMode(D12_NOLAZYCLOCK|D12_CLOCKRUNNING, D12_SETTOONE | D12_CLOCK_12M);
494 1 }
495
496 void connect_USB(void)
497 {
498 1 // reset event flags
499 1 DISABLE;
500 1 bEPPflags.value = 0;
501 1 ENABLE;
502 1
503 1 // V2.1 enable normal+sof interrupt
504 1 D12_SetDMA(D12_ENDP4INTENABLE | D12_ENDP5INTENABLE);
505 1
506 1 // Initialize D12 configuration
507 1 D12_SetMode(D12_NOLAZYCLOCK|D12_CLOCKRUNNING|D12_SOFTCONNECT, D12_SETTOONE | D12_CLOCK_12M);
508 1 }
509
510
511 void reconnect_USB(void)
512 {
513 1 unsigned long clk_cnt;
514 1
515 1 #ifndef __C51__
D12Eval_outportb(0xF, 0xF);
#else
518 1 MCU_LED0 = 0;
519 1 MCU_LED1 = 0;
520 1 #endif
521 1 disconnect_USB();
522 1
523 1 printf("Wait for 1 second ...\n");
524 1
525 1 clk_cnt = ClockTicks;
526 1 while(ClockTicks < clk_cnt + 20)
527 1 ;
528 1
529 1 connect_USB();
530 1
531 1 #ifndef __C51__
D12Eval_outportb(0x0, 0xF);
#else
534 1 MCU_LED0 = 1;
535 1 MCU_LED1 = 1;
536 1 #endif
537 1 }
538
539 void init_unconfig(void)
C51 COMPILER V8.02 MAINLOOP 07/27/2007 11:10:49 PAGE 24
540 {
541 1 unsigned char i;
542 1
543 1 D12_SetE⌨️ 快捷键说明
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