Esempio n. 1
0
/*******************************************************************
 * Function:        BOOL USER_USB_CALLBACK_EVENT_HANDLER(
 *                        USB_EVENT event, void *pdata, WORD size)
 *
 * PreCondition:    None
 *
 * Input:           USB_EVENT event - the type of event
 *                  void *pdata - pointer to the event data
 *                  WORD size - size of the event data
 *
 * Output:          None
 *
 * Side Effects:    None
 *
 * Overview:        This function is called from the USB stack to
 *                  notify a user application that a USB event
 *                  occured.  This callback is in interrupt context
 *                  when the USB_INTERRUPT option is selected.
 *
 * Note:            None
 *******************************************************************/
BOOL USER_USB_CALLBACK_EVENT_HANDLER(USB_EVENT event, void *pdata, WORD size)
{
    switch(event)
    {
        case EVENT_CONFIGURED: 
            USBCBInitEP();
            break;
        case EVENT_SET_DESCRIPTOR:
            USBCBStdSetDscHandler();
            break;
        case EVENT_EP0_REQUEST:
            USBCBCheckOtherReq();
            break;
        case EVENT_SOF:
            USBCB_SOF_Handler();
            break;
        case EVENT_SUSPEND:
            USBCBSuspend();
            break;
        case EVENT_RESUME:
            USBCBWakeFromSuspend();
            break;
        case EVENT_BUS_ERROR:
            USBCBErrorHandler();
            break;
        case EVENT_TRANSFER:
            Nop();
            break;
        default:
            break;
    }      
    return TRUE; 
}
Esempio n. 2
0
BOOL USER_USB_CALLBACK_EVENT_HANDLER(int event, void *pdata, WORD size)
{
    switch( event )
    {
        case EVENT_TRANSFER:
            //Add application specific callback task or callback function here if desired.
            break;
        case EVENT_SOF:
            USBCB_SOF_Handler();
            break;
        case EVENT_SUSPEND:
            USBCBSuspend();
            break;
        case EVENT_RESUME:
            //USBCBWakeFromSuspend();
            break;
        case EVENT_CONFIGURED:
            USBCBInitEP();
            break;
        case EVENT_SET_DESCRIPTOR:
            USBCBStdSetDscHandler();
            break;
        case EVENT_EP0_REQUEST:
            USBCBCheckOtherReq();
            break;
        case EVENT_BUS_ERROR:
            USBCBErrorHandler();
            break;
        case EVENT_TRANSFER_TERMINATED:
            break;
        default:
            break;
    }
    return TRUE;
}
Esempio n. 3
0
BOOL USER_USB_CALLBACK_EVENT_HANDLER( USB_EVENT event, void * pdata, WORD size )
{
    switch ( event )
    {
        case EVENT_TRANSFER: {
            // Add application specific callback task or callback function here if desired.
            break;
		}
        case EVENT_SOF: {
            USBCB_SOF_Handler();
            break;
		}
        case EVENT_SUSPEND: {
            USBCBSuspend();
            break;
		}
        case EVENT_RESUME: {
            USBCBWakeFromSuspend();
            break;
		}
        case EVENT_CONFIGURED: {
            USBCBInitEP();
            break;
		}
        case EVENT_SET_DESCRIPTOR: {
            USBCBStdSetDscHandler();
            break;
		}
        case EVENT_EP0_REQUEST: {
            USBCBCheckOtherReq();
            break;
		}
        case EVENT_BUS_ERROR: {
            USBCBErrorHandler();
            break;
		}
        case EVENT_TRANSFER_TERMINATED: {
            /*
             * Add application specific callback task or callback function here if desired.
             * The EVENT_TRANSFER_TERMINATED event occurs when the host performs a CLEAR
             * FEATURE (endpoint halt) request on an application endpoint which was 
             * previously armed (UOWN was = 1). Here would be a good place to:
             * 1. Determine which endpoint the transaction that just got terminated was 
             *    on, by checking the handle value in the *pdata.
             * 2. Re-arm the endpoint if desired (typically would be the case for OUT 
             *    endpoints).
             */
            break;
		}
        default: {
            break;
		}
    }      
    return TRUE; 
}
Esempio n. 4
0
bool USER_USB_CALLBACK_EVENT_HANDLER(USB_EVENT event, void *pdata, uint16_t size) {
    switch (event) {
        case EVENT_TRANSFER:
            //Add application specific callback task or callback function here if desired.
            break;
        case EVENT_SOF:
            USBCB_SOF_Handler();
            break;
        case EVENT_SUSPEND:
            USBCBSuspend();
            break;
        case EVENT_RESUME:
            USBCBWakeFromSuspend();
            break;
        case EVENT_CONFIGURED:
            // enable the HID endpoint
            USBEnableEndpoint(HID_EP_SNES, USB_IN_ENABLED | USB_HANDSHAKE_ENABLED | USB_DISALLOW_SETUP);
            USBEnableEndpoint(HID_EP_CFG, USB_OUT_ENABLED | USB_IN_ENABLED | USB_HANDSHAKE_ENABLED | USB_DISALLOW_SETUP);
            USBOutHandleCfg = HIDRxPacket(HID_EP_CFG, usbOutBuffer, sizeof (usbOutBuffer));

			break;
        case EVENT_SET_DESCRIPTOR:
            USBCBStdSetDscHandler();
            break;
        case EVENT_EP0_REQUEST:
            USBCheckHIDRequest();
			break;
        case EVENT_BUS_ERROR:
            USBCBErrorHandler();
            break;
        case EVENT_TRANSFER_TERMINATED:
            break;
        default:
            break;
    }
    return true;
}
Esempio n. 5
0
/*******************************************************************
 * Function:        BOOL USER_USB_CALLBACK_EVENT_HANDLER(
 *                        USB_EVENT event, void *pdata, WORD size)
 *
 * PreCondition:    None
 *
 * Input:           USB_EVENT event - the type of event
 *                  void *pdata - pointer to the event data
 *                  WORD size - size of the event data
 *
 * Output:          None
 *
 * Side Effects:    None
 *
 * Overview:        This function is called from the USB stack to
 *                  notify a user application that a USB event
 *                  occured.  This callback is in interrupt context
 *                  when the USB_INTERRUPT option is selected.
 *
 * Note:            None
 *******************************************************************/
BOOL USER_USB_CALLBACK_EVENT_HANDLER(USB_EVENT event, void *pdata, WORD size)
{
	switch ((INT)event)
	{
		case EVENT_TRANSFER:
			//Add application specific callback task or callback function here if desired.
			break;
		case EVENT_SOF:
			USBCB_SOF_Handler();
			break;
		case EVENT_SUSPEND:
			USBCBSuspend();
			break;
		case EVENT_RESUME:
			USBCBWakeFromSuspend();
			break;
		case EVENT_CONFIGURED:
			USBCBInitEP();
			break;
		case EVENT_SET_DESCRIPTOR:
			USBCBStdSetDscHandler();
			break;
		case EVENT_EP0_REQUEST:
			USBCBCheckOtherReq();
			break;
		case EVENT_BUS_ERROR:
			USBCBErrorHandler();
			break;
		case EVENT_TRANSFER_TERMINATED:
			// Add application specific callback task or callback function here if desired.
			// The EVENT_TRANSFER_TERMINATED event occurs when the host performs a CLEAR
			// FEATURE (endpoint halt) request on an application endpoint which was 
			// previously armed (UOWN was = 1).  Here would be a good place to:
			// 1.  Determine which endpoint the transaction that just got terminated was 
			//     on, by checking the handle value in the *pdata.
			// 2.  Re-arm the endpoint if desired (typically would be the case for OUT 
			//     endpoints).

			// Check if the host recently did a clear endpoint halt on the MSD OUT endpoint.
			// In this case, we want to re-arm the MSD OUT endpoint, so we are prepared
			// to receive the next CBW that the host might want to send.
			// Note: If however the STALL was due to a CBW not valid condition, 
			// then we are required to have a persistent STALL, where it cannot 
			// be cleared (until MSD reset recovery takes place).  See MSD BOT 
			// specs v1.0, section 6.6.1.
			if (MSDWasLastCBWValid() == FALSE)
			{
				// Need to re-stall the endpoints, for persistent STALL behavior.
				USBStallEndpoint(MSD_DATA_IN_EP, IN_TO_HOST);
				USBStallEndpoint(MSD_DATA_OUT_EP, OUT_FROM_HOST);
			}
			else
			{
				// Check if the host cleared halt on the bulk out endpoint.  In this
				// case, we should re-arm the endpoint, so we can receive the next CBW.
				if ((USB_HANDLE)pdata == USBGetNextHandle(MSD_DATA_OUT_EP, OUT_FROM_HOST))
				{
					USBMSDOutHandle = USBRxOnePacket(MSD_DATA_OUT_EP, (BYTE*)&msd_cbw, MSD_OUT_EP_SIZE);
				}
			}
			break;
		default:
			break;
	}
	return TRUE;
}