static void USB_Device_GetDescriptor(void)
{
const void* DescriptorPointer;
uint16_t DescriptorSize;
#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
!(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
uint8_t DescriptorAddressSpace;
#endif
#if !defined(NO_INTERNAL_SERIAL) && (USE_INTERNAL_SERIAL != NO_DESCRIPTOR)
if (USB_ControlRequest.wValue == ((DTYPE_String << 8) | USE_INTERNAL_SERIAL))
{
USB_Device_GetInternalSerialDescriptor();
return;
}
#endif
if ((DescriptorSize = CALLBACK_USB_GetDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
&DescriptorPointer
#if defined(ARCH_HAS_MULTI_ADDRESS_SPACE) && \
!(defined(USE_FLASH_DESCRIPTORS) || defined(USE_EEPROM_DESCRIPTORS) || defined(USE_RAM_DESCRIPTORS))
, &DescriptorAddressSpace
#endif
)) == NO_DESCRIPTOR)
{
return;
}
Endpoint_ClearSETUP();
#if defined(USE_RAM_DESCRIPTORS) || !defined(ARCH_HAS_MULTI_ADDRESS_SPACE)
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
#elif defined(USE_EEPROM_DESCRIPTORS)
Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
#elif defined(USE_FLASH_DESCRIPTORS)
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
#else
if (DescriptorAddressSpace == MEMSPACE_FLASH)
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
else if (DescriptorAddressSpace == MEMSPACE_EEPROM)
Endpoint_Write_Control_EStream_LE(DescriptorPointer, DescriptorSize);
else
Endpoint_Write_Control_Stream_LE(DescriptorPointer, DescriptorSize);
#endif
Endpoint_ClearOUT();
}
void EVENT_USB_Device_UnhandledControlRequest(void)
{
/* Process UFI specific control requests */
switch (USB_ControlRequest.bRequest)
{
case REQ_GetOSFeatureDescriptor:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))
{
void* DescriptorPointer;
uint16_t DescriptorSize;
if (!(USB_GetOSFeatureDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
&DescriptorPointer, &DescriptorSize)))
{
return;
}
Endpoint_ClearSETUP();
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
Endpoint_ClearOUT();
}
break;
}
}
void EVENT_USB_Device_ControlRequest(void){
void* buffer = NULL;
uint16_t length = 0;
if(change != NULL) {
usb_set_device(change, 1);
Endpoint_ClearSETUP();
Endpoint_ClearIN();
Endpoint_ClearOUT();
} else {
Endpoint_ClearSETUP();
}
uart_print("Type: %x, req: %x, val: %x, idx: %x, len: %d\n",
USB_ControlRequest.bmRequestType,
USB_ControlRequest.bRequest,
USB_ControlRequest.wValue,
USB_ControlRequest.wIndex,
USB_ControlRequest.wLength);
device->handle_configuration( device,
USB_ControlRequest.bmRequestType,
USB_ControlRequest.bRequest,
USB_ControlRequest.wValue,
USB_ControlRequest.wIndex,
USB_ControlRequest.wLength,
&buffer,
&length);
if(buffer) {
if(length == 0xFFFF) {
return;
}
if(length) {
if(length & CONST_PTR) {
Endpoint_Write_Control_PStream_LE(buffer, length & ~CONST_PTR);
} else {
Endpoint_Write_Control_Stream_LE(buffer, length);
}
}
Endpoint_ClearStatusStage();
if(deferred_addr >= 0) {
_usb_set_addr(deferred_addr);
uart_print("Setting addr to %d\n", deferred_addr);
deferred_addr = -1;
}
} else {
Endpoint_StallTransaction();
uart_print("STALLED!\n");
}
}
void EVENT_USB_Device_UnhandledControlRequest(void)
{
switch (USB_ControlRequest.bRequest)
{
case REQ_GetOSFeatureDescriptor:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE))
{
void* DescriptorPointer;
uint16_t DescriptorSize = USB_GetOSFeatureDescriptor(USB_ControlRequest.wValue, USB_ControlRequest.wIndex,
&DescriptorPointer);
if (DescriptorSize == NO_DESCRIPTOR)
return;
Endpoint_ClearSETUP();
Endpoint_Write_Control_PStream_LE(DescriptorPointer, DescriptorSize);
Endpoint_ClearOUT();
}
break;
}
}