C++ (Cpp) EVENT_CDC_Device_LineEncodingChanged Examples

Example #1

File: CDC.c Project: 123jefferson/MiniBloq-Sparki

void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
	if (!(Endpoint_IsSETUPReceived()))
	  return;
	  
	if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
	  return;

	switch (USB_ControlRequest.bRequest)
	{
		case CDC_REQ_GetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_Write_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
				Endpoint_ClearOUT();
			}
			
			break;
		case CDC_REQ_SetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_Read_Control_Stream_LE(&CDCInterfaceInfo->State.LineEncoding, sizeof(CDCInterfaceInfo->State.LineEncoding));
				Endpoint_ClearIN();

				EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
			}
	
			break;
		case CDC_REQ_SetControlLineState:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{				
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;

				EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
			}
	
			break;
		case CDC_REQ_SendBreak:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{				
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue);
			}

			break;
	}
}

Example #2

File: CDCClassDevice.c Project: dougg3/mac-rom-simm-programmer

void CDC_Device_ProcessControlRequest(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
{
	if (!(Endpoint_IsSETUPReceived()))
	  return;

	if (USB_ControlRequest.wIndex != CDCInterfaceInfo->Config.ControlInterfaceNumber)
	  return;

	switch (USB_ControlRequest.bRequest)
	{
		case CDC_REQ_GetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				while (!(Endpoint_IsINReady()));

				Endpoint_Write_32_LE(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS);
				Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.CharFormat);
				Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.ParityType);
				Endpoint_Write_8(CDCInterfaceInfo->State.LineEncoding.DataBits);

				Endpoint_ClearIN();
				Endpoint_ClearStatusStage();
			}

			break;
		case CDC_REQ_SetLineEncoding:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();

				while (!(Endpoint_IsOUTReceived()))
				{
					if (USB_DeviceState == DEVICE_STATE_Unattached)
						return;
				}

				CDCInterfaceInfo->State.LineEncoding.BaudRateBPS = Endpoint_Read_32_LE();
				CDCInterfaceInfo->State.LineEncoding.CharFormat  = Endpoint_Read_8();
				CDCInterfaceInfo->State.LineEncoding.ParityType  = Endpoint_Read_8();
				CDCInterfaceInfo->State.LineEncoding.DataBits    = Endpoint_Read_8();

				Endpoint_ClearOUT();
				Endpoint_ClearStatusStage();

				EVENT_CDC_Device_LineEncodingChanged(CDCInterfaceInfo);
			}

			break;
		case CDC_REQ_SetControlLineState:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				CDCInterfaceInfo->State.ControlLineStates.HostToDevice = USB_ControlRequest.wValue;

				EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
			}

			break;
		case CDC_REQ_SendBreak:
			if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
			{
				Endpoint_ClearSETUP();
				Endpoint_ClearStatusStage();

				EVENT_CDC_Device_BreakSent(CDCInterfaceInfo, (uint8_t)USB_ControlRequest.wValue);
			}

			break;
	}
}