📄 usbddriver.lst
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254
255 // Adjust length and send descriptor
256 if (length > USBGenericDescriptor_GetLength((USBGenericDescriptor *) pQualifier)) {
\ 0000010C 0A00A0E1 MOV R0,R10
\ 00000110 ........ BL USBGenericDescriptor_GetLength
\ 00000114 060050E1 CMP R0,R6
\ 00000118 0200002A BCS ??GetDescriptor_13
257
258 length = USBGenericDescriptor_GetLength((USBGenericDescriptor *) pQualifier);
\ 0000011C 0A00A0E1 MOV R0,R10
\ 00000120 ........ BL USBGenericDescriptor_GetLength
\ 00000124 0060A0E1 MOV R6,R0
259 }
260 USBD_Write(0, pQualifier, length, 0, 0);
\ ??GetDescriptor_13:
\ 00000128 08D04DE2 SUB SP,SP,#+8
\ 0000012C 0000A0E3 MOV R0,#+0
\ 00000130 00008DE5 STR R0,[SP, #+0]
\ 00000134 0030A0E3 MOV R3,#+0
\ 00000138 0620A0E1 MOV R2,R6
\ 0000013C 0A10A0E1 MOV R1,R10
\ 00000140 100000EA B ??GetDescriptor_7
261 }
262 break;
263
264 case USBGenericDescriptor_OTHERSPEEDCONFIGURATION:
265 TRACE_INFO_WP("OSC ");
\ ??GetDescriptor_14:
\ 00000144 C0009FE5 LDR R0,??GetDescriptor_9+0x8 ;; `?<Constant "OSC ">`
\ 00000148 ........ BL printf
266
267 // Check if descriptor exists
268 if (!pOtherSpeed) {
\ 0000014C 00005BE3 CMP R11,#+0
\ 00000150 2800000A BEQ ??GetDescriptor_12
269
270 USBD_Stall(0);
271 }
272 else {
273
274 // Adjust length and send descriptor
275 if (length > USBConfigurationDescriptor_GetTotalLength(pOtherSpeed)) {
\ 00000154 0B00A0E1 MOV R0,R11
\ 00000158 ........ BL USBConfigurationDescriptor_GetTotalLength
\ 0000015C 060050E1 CMP R0,R6
\ 00000160 0200002A BCS ??GetDescriptor_15
276
277 length = USBConfigurationDescriptor_GetTotalLength(pOtherSpeed);
\ 00000164 0B00A0E1 MOV R0,R11
\ 00000168 ........ BL USBConfigurationDescriptor_GetTotalLength
\ 0000016C 0060A0E1 MOV R6,R0
278 }
279 USBD_Write(0, pOtherSpeed, length, 0, 0);
\ ??GetDescriptor_15:
\ 00000170 08D04DE2 SUB SP,SP,#+8
\ 00000174 0000A0E3 MOV R0,#+0
\ 00000178 00008DE5 STR R0,[SP, #+0]
\ 0000017C 0030A0E3 MOV R3,#+0
\ 00000180 0620A0E1 MOV R2,R6
\ 00000184 0B10A0E1 MOV R1,R11
\ ??GetDescriptor_7:
\ 00000188 ........ BL USBD_Write
\ 0000018C 08D08DE2 ADD SP,SP,#+8 ;; stack cleaning
\ 00000190 F84FBDE8 POP {R3-R11,LR}
\ 00000194 1EFF2FE1 BX LR
280 }
281 break;
282
283 case USBGenericDescriptor_STRING:
284 TRACE_INFO_WP("Str%d ", index);
\ ??GetDescriptor_16:
\ 00000198 0510A0E1 MOV R1,R5
\ 0000019C 6C009FE5 LDR R0,??GetDescriptor_9+0xC ;; `?<Constant "Str%d ">`
\ 000001A0 ........ BL printf
285
286 // Check if descriptor exists
287 if (index > numStrings) {
\ 000001A4 050057E1 CMP R7,R5
\ 000001A8 1200003A BCC ??GetDescriptor_12
288
289 USBD_Stall(0);
290 }
291 else {
292
293 pString = pStrings[index];
\ 000001AC 00009DE5 LDR R0,[SP, #+0]
\ 000001B0 054190E7 LDR R4,[R0, +R5, LSL #+2]
294
295 // Adjust length and send descriptor
296 if (length > USBGenericDescriptor_GetLength(pString)) {
\ 000001B4 0400A0E1 MOV R0,R4
\ 000001B8 ........ BL USBGenericDescriptor_GetLength
\ 000001BC 060050E1 CMP R0,R6
\ 000001C0 0200002A BCS ??GetDescriptor_17
297
298 length = USBGenericDescriptor_GetLength(pString);
\ 000001C4 0400A0E1 MOV R0,R4
\ 000001C8 ........ BL USBGenericDescriptor_GetLength
\ 000001CC 0060A0E1 MOV R6,R0
299 }
300 USBD_Write(0, pString, length, 0, 0);
\ ??GetDescriptor_17:
\ 000001D0 08D04DE2 SUB SP,SP,#+8
\ 000001D4 0000A0E3 MOV R0,#+0
\ 000001D8 00008DE5 STR R0,[SP, #+0]
\ 000001DC 0030A0E3 MOV R3,#+0
\ 000001E0 0620A0E1 MOV R2,R6
\ 000001E4 0410A0E1 MOV R1,R4
\ 000001E8 E6FFFFEA B ??GetDescriptor_7
301 }
302 break;
303
304 default:
305 TRACE_WARNING(
306 "USBDDriver_GetDescriptor: Unknown descriptor type (%d)\n\r",
307 type);
\ ??GetDescriptor_3:
\ 000001EC 0410A0E1 MOV R1,R4
\ 000001F0 1C009FE5 LDR R0,??GetDescriptor_9+0x10 ;; `?<Constant "-W- USBDDriver_GetDes...">`
\ 000001F4 ........ BL printf
308 USBD_Stall(0);
\ ??GetDescriptor_12:
\ 000001F8 0000A0E3 MOV R0,#+0
309 }
310 }
\ 000001FC F84FBDE8 POP {R3-R11,LR}
\ 00000200 ........ B USBD_Stall ;; tailcall
\ ??GetDescriptor_9:
\ 00000204 ........ DC32 `?<Constant "Cfg ">`
\ 00000208 ........ DC32 `?<Constant "Qua ">`
\ 0000020C ........ DC32 `?<Constant "OSC ">`
\ 00000210 ........ DC32 `?<Constant "Str%d ">`
\ 00000214 ........ DC32 `?<Constant "-W- USBDDriver_GetDes...">`
311
312 //------------------------------------------------------------------------------
313 /// Sets the active setting of the given interface if the configuration supports
314 /// it; otherwise, the control pipe is STALLed. If the setting of an interface
315 /// changes.
316 /// \parma pDriver Pointer to a USBDDriver instance.
317 /// \parma infnum Interface number.
318 /// \parma setting New active setting for the interface.
319 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
320 static void SetInterface(
321 USBDDriver *pDriver,
322 unsigned char infnum,
323 unsigned char setting)
324 {
\ SetInterface:
\ 00000000 01402DE9 PUSH {R0,LR}
\ 00000004 0130A0E1 MOV R3,R1
\ 00000008 0210A0E1 MOV R1,R2
325 // Make sure alternate settings are supported
326 if (!pDriver->pInterfaces) {
\ 0000000C 042090E5 LDR R2,[R0, #+4]
\ 00000010 000052E3 CMP R2,#+0
\ 00000014 0000001A BNE ??SetInterface_0
327
328 USBD_Stall(0);
\ 00000018 ........ B ?Subroutine1
329 }
330 else {
331
332 // Change the current setting of the interface and trigger the callback
333 // if necessary
334 if (pDriver->pInterfaces[infnum] != setting) {
\ ??SetInterface_0:
\ 0000001C 02C0A0E1 MOV R12,R2
\ 00000020 0C20D3E7 LDRB R2,[R3, +R12]
\ 00000024 010052E1 CMP R2,R1
335
336 pDriver->pInterfaces[infnum] = setting;
\ 00000028 0C10C317 STRBNE R1,[R3, +R12]
337 USBDDriverCallbacks_InterfaceSettingChanged(infnum, setting);
\ 0000002C 0300A011 MOVNE R0,R3
\ 00000030 ........ BLNE USBDDriverCallbacks_InterfaceSettingChanged
338 }
339
340 // Acknowledge the request
341 USBD_Write(0, 0, 0, 0, 0);
\ 00000034 08D04DE2 SUB SP,SP,#+8
\ 00000038 0000A0E3 MOV R0,#+0
\ 0000003C 00008DE5 STR R0,[SP, #+0]
\ 00000040 0030A0E3 MOV R3,#+0
\ 00000044 0020A0E1 MOV R2,R0
\ 00000048 0010A0E1 MOV R1,R0
\ 0000004C ........ B ??Subroutine0_0
342 }
343 }
\ In section .text, align 4, keep-with-next
\ ?Subroutine1:
\ 00000000 0000A0E3 MOV R0,#+0
\ 00000004 0050BDE8 POP {R12,LR}
\ 00000008 ........ B USBD_Stall ;; tailcall
344
345 //------------------------------------------------------------------------------
346 /// Sends the currently active setting of the given interface to the USB
347 /// host. If alternate settings are not supported, this function STALLs the
348 /// control pipe.
349 /// \param pDriver Pointer to a USBDDriver instance.
350 /// \param infnum Interface number.
351 //------------------------------------------------------------------------------
\ In section .text, align 4, keep-with-next
352 static void GetInterface(
353 const USBDDriver *pDriver,
354 unsigned char infnum)
355 {
\ GetInterface:
\ 00000000 01402DE9 PUSH {R0,LR}
356 // Make sure alternate settings are supported, or STALL the control pipe
357 if (!pDriver->pInterfaces) {
\ 00000004 042090E5 LDR R2,[R0, #+4]
\ 00000008 000052E3 CMP R2,#+0
\ 0000000C 0000001A BNE ??GetInterface_0
358
359 USBD_Stall(0);
\ 00000010 ........ B ?Subroutine1
360 }
361 else {
362
363 // Sends the current interface setting to the host
364 USBD_Write(0, &(pDriver->pInterfaces[infnum]), 1, 0, 0);
\ ??GetInterface_0:
\ 00000014 08D04DE2 SUB SP,SP,#+8
\ 00000018 0020A0E3 MOV R2,#+0
\ 0000001C 00208DE5 STR R2,[SP, #+0]
\ 00000020 0030A0E3 MOV R3,#+0
\ 00000024 0120A0E3 MOV R2,#+1
\ 00000028 040090E5 LDR R0,[R0, #+4]
\ 0000002C 001081E0 ADD R1,R1,R0
\ 00000030 ........ B ?Subroutine0
365 }
366 }
367
368 #ifdef BOARD_USB_UDPHS
369 //------------------------------------------------------------------------------
370 // Performs the selected test on the USB device (high-speed only).
371 // \param test Test selector value.
372 //------------------------------------------------------------------------------
373 static void USBDDriver_Test(unsigned char test)
374 {
375 TRACE_DEBUG("UDPHS_Test\n\r");
376
377 // the lower byte of wIndex must be zero
378 // the most significant byte of wIndex is used to specify the specific test mode
379 switch (test) {
380 case USBFeatureRequest_TESTPACKET:
381 //Test mode Test_Packet:
382 //Upon command, a port must repetitively transmit the following test packet until
383 //the exit action is taken. This enables the testing of rise and fall times, eye
384 //patterns, jitter, and any other dynamic waveform specifications.
385 //The test packet is made up by concatenating the following strings.
386 //(Note: For J/K NRZI data, and for NRZ data, the bit on the left is the first one
387 //transmitted. 揝⌨️ 快捷键说明
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