bool USER_USB_CALLBACK_EVENT_HANDLER(USB_EVENT event, void *pdata, uint16_t size) {
switch ((int) event) {
case EVENT_TRANSFER:
break;
case EVENT_SOF:
/* We are using the SOF as a timer to time the LED indicator. Call
* the LED update function here. */
//APP_LEDUpdateUSBStatus();
break;
case EVENT_SUSPEND:
/* Update the LED status for the suspend event. */
//APP_LEDUpdateUSBStatus();
break;
case EVENT_RESUME:
/* Update the LED status for the resume event. */
//APP_LEDUpdateUSBStatus();
break;
case EVENT_CONFIGURED:
/* When the device is configured, we can (re)initialize the
* demo code. */
APP_DeviceCDCBasicDemoInitialize();
break;
case EVENT_SET_DESCRIPTOR:
break;
case EVENT_EP0_REQUEST:
/* We have received a non-standard USB request. The HID driver
* needs to check to see if the request was for it. */
USBCheckCDCRequest();
break;
case EVENT_BUS_ERROR:
break;
case EVENT_TRANSFER_TERMINATED:
break;
default:
break;
}
return true;
}
/*******************************************************************
* Function: bool USER_USB_CALLBACK_EVENT_HANDLER(
* USB_EVENT event, void *pdata, uint16_t size)
*
* PreCondition: None
*
* Input: USB_EVENT event - the type of event
* void *pdata - pointer to the event data
* uint16_t 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, uint16_t size)
{
switch( (int) event )
{
case EVENT_TRANSFER:
break;
case EVENT_SOF:
/* We are using the SOF as a timer to time the LED indicator. Call
* the LED update function here. */
APP_LEDUpdateUSBStatus();
break;
case EVENT_SUSPEND:
/* Update the LED status for the suspend event. */
APP_LEDUpdateUSBStatus();
//Call the hardware platform specific handler for suspend events for
//possible further action (like optionally going reconfiguring the application
//for lower power states and going to sleep during the suspend event). This
//would normally be done in USB compliant bus powered applications, although
//no further processing is needed for purely self powered applications that
//don't consume power from the host.
SYSTEM_Initialize(SYSTEM_STATE_USB_SUSPEND);
break;
case EVENT_RESUME:
/* Update the LED status for the resume event. */
APP_LEDUpdateUSBStatus();
//Call the hardware platform specific resume from suspend handler (ex: to
//restore I/O pins to higher power states if they were changed during the
//preceding SYSTEM_Initialize(SYSTEM_STATE_USB_SUSPEND) call at the start
//of the suspend condition.
SYSTEM_Initialize(SYSTEM_STATE_USB_RESUME);
break;
case EVENT_CONFIGURED:
/* When the device is configured, we can (re)initialize the
* demo code. */
APP_DeviceCDCBasicDemoInitialize();
break;
case EVENT_SET_DESCRIPTOR:
break;
case EVENT_EP0_REQUEST:
/* We have received a non-standard USB request. The HID driver
* needs to check to see if the request was for it. */
USBCheckCDCRequest();
break;
case EVENT_BUS_ERROR:
break;
case EVENT_TRANSFER_TERMINATED:
break;
default:
break;
}
return true;
}
