Ejemplo n.º 1
0
void USB_Device_ProcessControlRequest(void)
{
	uint8_t* RequestHeader  = (uint8_t*)&USB_ControlRequest;

	for (uint8_t RequestHeaderByte = 0; RequestHeaderByte < sizeof(USB_Request_Header_t); RequestHeaderByte++)
	  *(RequestHeader++) = Endpoint_Read_Byte();

	EVENT_USB_Device_ControlRequest();

	if (Endpoint_IsSETUPReceived())
	{
		uint8_t bmRequestType = USB_ControlRequest.bmRequestType;

		switch (USB_ControlRequest.bRequest)
		{
			case REQ_GetStatus:
				if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
				{
					USB_Device_GetStatus();
				}

				break;
			case REQ_ClearFeature:
			case REQ_SetFeature:
				if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
				{
					USB_Device_ClearSetFeature();
				}

				break;
			case REQ_SetAddress:
				if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_SetAddress();

				break;
			case REQ_GetDescriptor:
				if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
				{
					USB_Device_GetDescriptor();
				}

				break;
			case REQ_GetConfiguration:
				if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_GetConfiguration();

				break;
			case REQ_SetConfiguration:
				if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_SetConfiguration();

				break;
		}
	}

	if (Endpoint_IsSETUPReceived())
	{
		Endpoint_StallTransaction();
		Endpoint_ClearSETUP();
	}
}
void USB_Device_ProcessControlRequest(void)
{
//	USB_ControlRequest.bmRequestType = Endpoint_Read_8();
//	USB_ControlRequest.bRequest      = Endpoint_Read_8();
//	USB_ControlRequest.wValue        = Endpoint_Read_16_LE();
//	USB_ControlRequest.wIndex        = Endpoint_Read_16_LE();
//	USB_ControlRequest.wLength       = Endpoint_Read_16_LE();

	Endpoint_GetSetupPackage( (uint8_t*) &USB_ControlRequest);

	EVENT_USB_Device_ControlRequest();

	if (Endpoint_IsSETUPReceived())
	{
		uint8_t bmRequestType = USB_ControlRequest.bmRequestType;

		switch (USB_ControlRequest.bRequest)
		{
			case REQ_GetStatus:
				if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_ENDPOINT)))
				{
					USB_Device_GetStatus();
				}

				break;
			case REQ_ClearFeature:
			case REQ_SetFeature:
				if ((bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT)))
				{
					USB_Device_ClearSetFeature();
				}

				break;
			case REQ_SetAddress:
				if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_SetAddress();

				break;
			case REQ_GetDescriptor:
				if ((bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE)) ||
					(bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE)))
				{
					USB_Device_GetDescriptor();
				}

				break;
			case REQ_GetConfiguration:
				if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_GetConfiguration();

				break;
			case REQ_SetConfiguration:
				if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE))
				  USB_Device_SetConfiguration();

				break;
		}
	}

	if (Endpoint_IsSETUPReceived())
	{
		Endpoint_ClearSETUP();
		Endpoint_StallTransaction();
	}
}