📄 usbddriver.lst
字号:
388 //? N?is used to indicate N occurrences of a string of bits or symbols.)
389 //A port in Test_Packet mode must send this packet repetitively. The inter-packet timing
390 //must be no less than the minimum allowable inter-packet gap as defined in Section 7.1.18 and
391 //no greater than 125 us.
392 // Send ZLP
393 USBD_Test(USBFeatureRequest_TESTSENDZLP);
394 // Tst PACKET
395 USBD_Test(USBFeatureRequest_TESTPACKET);
396 while (1);
397 break;
398
399 case USBFeatureRequest_TESTJ:
400 //Test mode Test_J:
401 //Upon command, a port抯 transceiver must enter the high-speed J state and remain in that
402 //state until the exit action is taken. This enables the testing of the high output drive
403 //level on the D+ line.
404 // Send ZLP
405 USBD_Test(USBFeatureRequest_TESTSENDZLP);
406 // Tst J
407 USBD_Test(USBFeatureRequest_TESTJ);
408 while (1);
409 break;
410
411 case USBFeatureRequest_TESTK:
412 //Test mode Test_K:
413 //Upon command, a port抯 transceiver must enter the high-speed K state and remain in
414 //that state until the exit action is taken. This enables the testing of the high output drive
415 //level on the D- line.
416 // Send a ZLP
417 USBD_Test(USBFeatureRequest_TESTSENDZLP);
418 USBD_Test(USBFeatureRequest_TESTK);
419 while (1);
420 break;
421
422 case USBFeatureRequest_TESTSE0NAK:
423 //Test mode Test_SE0_NAK:
424 //Upon command, a port抯 transceiver must enter the high-speed receive mode
425 //and remain in that mode until the exit action is taken. This enables the testing
426 //of output impedance, low level output voltage, and loading characteristics.
427 //In addition, while in this mode, upstream facing ports (and only upstream facing ports)
428 //must respond to any IN token packet with a NAK handshake (only if the packet CRC is
429 //determined to be correct) within the normal allowed device response time. This enables testing of
430 //the device squelch level circuitry and, additionally, provides a general purpose stimulus/response
431 //test for basic functional testing.
432 USBD_Test(USBFeatureRequest_TESTSE0NAK);
433 // Send a ZLP
434 USBD_Test(USBFeatureRequest_TESTSENDZLP);
435 while (1);
436 break;
437
438 default:
439 USBD_Stall( 0 );
440 break;
441
442 }
443 // The exit action is to power cycle the device.
444 // The device must be disconnected from the host
445 }
446 #endif
447
448 //------------------------------------------------------------------------------
449 // Exported functions
450 //------------------------------------------------------------------------------
451
452 //------------------------------------------------------------------------------
453 /// Initializes a USBDDriver instance with a list of descriptors. If
454 /// interfaces can have multiple alternate settings, an array to store the
455 /// current setting for each interface must be provided.
456 /// \param pDriver Pointer to a USBDDriver instance.
457 /// \param pDescriptors Pointer to a USBDDriverDescriptors instance.
458 /// \param pInterfaces Pointer to an array for storing the current alternate
459 /// setting of each interface (optional).
460 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
461 void USBDDriver_Initialize(
462 USBDDriver *pDriver,
463 const USBDDriverDescriptors *pDescriptors,
464 unsigned char *pInterfaces)
465 {
\ USBDDriver_Initialize:
\ 00000000 70402DE9 PUSH {R4-R6,LR}
\ 00000004 0040B0E1 MOVS R4,R0
\ 00000008 0150B0E1 MOVS R5,R1
\ 0000000C 0260B0E1 MOVS R6,R2
466
467 pDriver->cfgnum = 0;
\ 00000010 0000A0E3 MOV R0,#+0
\ 00000014 0800C4E5 STRB R0,[R4, #+8]
468 #if (BOARD_USB_BMATTRIBUTES == USBConfigurationDescriptor_SELFPOWERED_RWAKEUP) \
469 || (BOARD_USB_BMATTRIBUTES == USBConfigurationDescriptor_BUSPOWERED_RWAKEUP)
470 pDriver->isRemoteWakeUpEnabled = 1;
471 #else
472 pDriver->isRemoteWakeUpEnabled = 0;
\ 00000018 0000A0E3 MOV R0,#+0
\ 0000001C 0900C4E5 STRB R0,[R4, #+9]
473 #endif
474
475 pDriver->pDescriptors = pDescriptors;
\ 00000020 005084E5 STR R5,[R4, #+0]
476 pDriver->pInterfaces = pInterfaces;
\ 00000024 046084E5 STR R6,[R4, #+4]
477
478 // Initialize interfaces array if not null
479 if (pInterfaces != 0) {
\ 00000028 000056E3 CMP R6,#+0
\ 0000002C 0300000A BEQ ??USBDDriver_Initialize_0
480
481 memset(pInterfaces, sizeof(pInterfaces), 0);
\ 00000030 0020A0E3 MOV R2,#+0
\ 00000034 0410A0E3 MOV R1,#+4
\ 00000038 0600B0E1 MOVS R0,R6
\ 0000003C ........ BL memset
482 }
483 }
\ ??USBDDriver_Initialize_0:
\ 00000040 7040BDE8 POP {R4-R6,LR}
\ 00000044 1EFF2FE1 BX LR ;; return
484
485 //------------------------------------------------------------------------------
486 /// Handles the given request if it is standard, otherwise STALLs it.
487 /// \param pDriver Pointer to a USBDDriver instance.
488 /// \param pRequest Pointer to a USBGenericRequest instance.
489 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
490 void USBDDriver_RequestHandler(
491 USBDDriver *pDriver,
492 const USBGenericRequest *pRequest)
493 {
\ USBDDriver_RequestHandler:
\ 00000000 F14F2DE9 PUSH {R0,R4-R11,LR}
\ 00000004 0040B0E1 MOVS R4,R0
\ 00000008 0150B0E1 MOVS R5,R1
494 unsigned char cfgnum;
495 unsigned char infnum;
496 unsigned char eptnum;
497 unsigned char setting;
498 unsigned char type;
499 unsigned char index;
500 unsigned int length;
501 unsigned int address;
502
503 trace_LOG(trace_INFO, "Std ");
\ 0000000C 84039FE5 LDR R0,??USBDDriver_RequestHandler_1 ;; `?<Constant "Std ">`
\ 00000010 ........ BL printf
504
505 // Check request code
506 switch (USBGenericRequest_GetRequest(pRequest)) {
\ 00000014 0500B0E1 MOVS R0,R5
\ 00000018 ........ BL USBGenericRequest_GetRequest
\ 0000001C 0B0050E3 CMP R0,#+11
\ 00000020 D200008A BHI ??USBDDriver_RequestHandler_2
\ 00000024 04108FE2 ADR R1,??USBDDriver_RequestHandler_0
\ 00000028 0010D1E7 LDRB R1,[R1, R0]
\ 0000002C 01F18FE0 ADD PC,PC,R1, LSL #+2
\ ??USBDDriver_RequestHandler_0:
\ 00000030 3857CF87 DC8 +56,+87,+207,+135
\ 00000034 CF1502CF DC8 +207,+21,+2,+207
\ 00000038 332AC5B6 DC8 +51,+42,+197,+182
507
508 case USBGenericRequest_GETDESCRIPTOR:
509 trace_LOG(trace_INFO, "Get Descriptor\n");
\ ??USBDDriver_RequestHandler_3:
\ 0000003C 58039FE5 LDR R0,??USBDDriver_RequestHandler_1+0x4 ;; `?<Constant "Get Descriptor\\n">`
\ 00000040 ........ BL printf
510
511 // Send the requested descriptor
512 type = USBGetDescriptorRequest_GetDescriptorType(pRequest);
\ 00000044 0500B0E1 MOVS R0,R5
\ 00000048 ........ BL USBGetDescriptorRequest_GetDescriptorType
\ 0000004C 0080B0E1 MOVS R8,R0
513 index = USBGetDescriptorRequest_GetDescriptorIndex(pRequest);
\ 00000050 0500B0E1 MOVS R0,R5
\ 00000054 ........ BL USBGetDescriptorRequest_GetDescriptorIndex
\ 00000058 0090B0E1 MOVS R9,R0
514 length = USBGenericRequest_GetLength(pRequest);
\ 0000005C 0500B0E1 MOVS R0,R5
\ 00000060 ........ BL USBGenericRequest_GetLength
\ 00000064 00A0B0E1 MOVS R10,R0
515 GetDescriptor(pDriver, type, index, length);
\ 00000068 0A30B0E1 MOVS R3,R10
\ 0000006C 0920B0E1 MOVS R2,R9
\ 00000070 FF2012E2 ANDS R2,R2,#0xFF ;; Zero extend
\ 00000074 0810B0E1 MOVS R1,R8
\ 00000078 FF1011E2 ANDS R1,R1,#0xFF ;; Zero extend
\ 0000007C 0400B0E1 MOVS R0,R4
\ 00000080 ........ BL GetDescriptor
\ 00000084 C10000EA B ??USBDDriver_RequestHandler_4
516 break;
517
518 case USBGenericRequest_SETADDRESS:
519 trace_LOG(trace_INFO, "set address\n");
\ ??USBDDriver_RequestHandler_5:
\ 00000088 10039FE5 LDR R0,??USBDDriver_RequestHandler_1+0x8 ;; `?<Constant "set address\\n">`
\ 0000008C ........ BL printf
520
521 // Sends a zero-length packet and then set the device address
522 address = USBSetAddressRequest_GetAddress(pRequest);
\ 00000090 0500B0E1 MOVS R0,R5
\ 00000094 ........ BL USBSetAddressRequest_GetAddress
\ 00000098 00B0B0E1 MOVS R11,R0
523
524 if( USBD_IsHighSpeed() ) {
\ 0000009C ........ BL USBD_IsHighSpeed
\ 000000A0 000050E3 CMP R0,#+0
\ 000000A4 0300000A BEQ ??USBDDriver_RequestHandler_6
525
526 USBD_SetAddress( address );
\ 000000A8 0B00B0E1 MOVS R0,R11
\ 000000AC FF0010E2 ANDS R0,R0,#0xFF ;; Zero extend
\ 000000B0 ........ BL USBD_SetAddress
\ 000000B4 B50000EA B ??USBDDriver_RequestHandler_4
527 }
528 else {
529 USBD_Write(0, 0, 0, (TransferCallback) USBD_SetAddress, (void *) address);
\ ??USBDDriver_RequestHandler_6:
\ 000000B8 08D04DE2 SUB SP,SP,#+8
\ 000000BC 00B08DE5 STR R11,[SP, #+0]
\ 000000C0 DC329FE5 LDR R3,??USBDDriver_RequestHandler_1+0xC ;; USBD_SetAddress
\ 000000C4 0020A0E3 ⌨️ 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 + -