void APP_USBDeviceEventHandler ( USB_DEVICE_EVENT event,
USB_DEVICE_EVENT_DATA * eventData )
{
switch ( event )
{
case USB_DEVICE_EVENT_RESET:
case USB_DEVICE_EVENT_DECONFIGURED:
// USB device is reset or device is deconfigured.
// This means that USB device layer is about to deininitialize
// all function drivers.
// Also turn ON LEDs to indicate reset/deconfigured state.
/* Switch on red and orange, switch off green */
BSP_SwitchONLED ( LED_9 );
BSP_SwitchONLED ( LED_6 );
BSP_SwitchOFFLED ( LED_5 );
appData.isConfigured = false;
break;
case USB_DEVICE_EVENT_CONFIGURED:
/* check the configuration */
if ( eventData->eventConfigured.configurationValue == 1)
{
/* the device is in configured state */
/* Switch on green and switch off red and orange */
BSP_SwitchOFFLED ( LED_9 );
BSP_SwitchOFFLED ( LED_6 );
BSP_SwitchONLED ( LED_5 );
/* Register the CDC Device application event handler here.
* Note how the appData object pointer is passed as the
* user data */
USB_DEVICE_CDC_EventHandlerSet(USB_DEVICE_CDC_INDEX_0,
APP_USBDeviceCDCEventHandler, (uintptr_t)&appData);
/* mark that set configuration is complete */
appData.isConfigured = true;
}
break;
case USB_DEVICE_EVENT_SUSPENDED:
/* Switch on green and orange, switch off red */
BSP_SwitchOFFLED ( LED_9 );
BSP_SwitchONLED ( LED_6 );
BSP_SwitchONLED ( LED_5 );
break;
case USB_DEVICE_EVENT_RESUMED:
case USB_DEVICE_EVENT_ATTACHED:
case USB_DEVICE_EVENT_DETACHED:
case USB_DEVICE_EVENT_ERROR:
default:
break;
}
}
/***********************************************
* Application USB Device Layer Event Handler.
***********************************************/
void APP_USBDeviceEventHandler ( USB_DEVICE_EVENT event, void * eventData, uintptr_t context )
{
USB_DEVICE_EVENT_DATA_CONFIGURED *configuredEventData;
static bool led;
switch ( event )
{
case USB_DEVICE_EVENT_SOF:
app2Data.sofEventHasOccurred = true;
break;
case USB_DEVICE_EVENT_RESET:
app2Data.isConfigured = false;
break;
case USB_DEVICE_EVENT_CONFIGURED:
/* Set the USBID pin to output (LED control) after configuration is done */
PLIB_PORTS_PinDirectionOutputSet(PORTS_ID_0, PORT_CHANNEL_F, PORTS_BIT_POS_3);
(led) ? PLIB_PORTS_PinSet(PORTS_ID_0, PORT_CHANNEL_F, PORTS_BIT_POS_3) : PLIB_PORTS_PinClear(PORTS_ID_0, PORT_CHANNEL_F, PORTS_BIT_POS_3);
/* Check the configuration. We only support configuration 1 */
configuredEventData = (USB_DEVICE_EVENT_DATA_CONFIGURED*)eventData;
if ( configuredEventData->configurationValue == 1)
{
/* Register the CDC Device application event handler here.
* Note how the app2Data object pointer is passed as the
* user data */
USB_DEVICE_CDC_EventHandlerSet(USB_DEVICE_CDC_INDEX_0, APP_USBDeviceCDCEventHandler, (uintptr_t)&app2Data);
/* Mark that the device is now configured */
app2Data.isConfigured = true;
}
break;
case USB_DEVICE_EVENT_POWER_DETECTED:
led = PLIB_PORTS_PinGetLatched(PORTS_ID_0, PORT_CHANNEL_F, PORTS_BIT_POS_3);
/* Set the USBID pin to input (floating) so that it will be configured as DEVICE */
PLIB_PORTS_PinDirectionInputSet(PORTS_ID_0, PORT_CHANNEL_F, PORTS_BIT_POS_3);
/* VBUS was detected. We can attach the device */
USB_DEVICE_Attach(app2Data.deviceHandle);
break;
case USB_DEVICE_EVENT_POWER_REMOVED:
/* VBUS is not available any more. Detach the device. */
USB_DEVICE_Detach(app2Data.deviceHandle);
break;
case USB_DEVICE_EVENT_SUSPENDED:
break;
case USB_DEVICE_EVENT_RESUMED:
case USB_DEVICE_EVENT_ERROR:
default:
break;
}
}
void APP_USBDeviceEventHandler ( USB_DEVICE_EVENT event, void * eventData, uintptr_t context)
{
uint8_t configurationValue;
switch ( event )
{
case USB_DEVICE_EVENT_RESET:
case USB_DEVICE_EVENT_DECONFIGURED:
/* USB device is reset or device is deconfigured.
* This means that USB device layer is about to deininitialize
* all function drivers. Update LEDs to indicate
* reset/deconfigured state. */
BSP_LEDOn ( APP_USB_LED_1 );
BSP_LEDOn ( APP_USB_LED_2 );
BSP_LEDOff( APP_USB_LED_3 );
appData.isConfigured = false;
break;
case USB_DEVICE_EVENT_CONFIGURED:
/* Check the configuration */
configurationValue = ((USB_DEVICE_EVENT_DATA_CONFIGURED *)eventData)->configurationValue;
if (configurationValue == 1)
{
/* The device is in configured state. Update LED indication */
BSP_LEDOff( APP_USB_LED_1 );
BSP_LEDOff( APP_USB_LED_2 );
BSP_LEDOn( APP_USB_LED_3 );
/* Register the CDC Device application event handler here.
* Note how the appData object pointer is passed as the
* user data */
USB_DEVICE_CDC_EventHandlerSet(USB_DEVICE_CDC_INDEX_0,
APP_USBDeviceCDCEventHandler, (uintptr_t)&appData);
/* mark that set configuration is complete */
appData.isConfigured = true;
}
break;
case USB_DEVICE_EVENT_SUSPENDED:
/* Update LEDs */
BSP_LEDOff ( APP_USB_LED_1 );
BSP_LEDOn ( APP_USB_LED_2 );
BSP_LEDOn( APP_USB_LED_3 );
break;
case USB_DEVICE_EVENT_POWER_DETECTED:
/* VBUS was detected. Connect the device */
USB_DEVICE_Attach (appData.deviceHandle);
break;
case USB_DEVICE_EVENT_POWER_REMOVED:
/* VBUS was removed. Disconnect the device */
USB_DEVICE_Detach(appData.deviceHandle);
break;
/* These events are not used in this demo */
case USB_DEVICE_EVENT_RESUMED:
case USB_DEVICE_EVENT_ERROR:
default:
break;
}
}
