/*!
* @brief USB device callback function.
*
* This function handles the usb device specific requests.
*
* @param handle The USB device handle.
* @param event The USB device event type.
* @param param The parameter of the device specific request.
*
* @return A USB error code or kStatus_USB_Success.
*/
usb_status_t USB_DeviceCallback(usb_device_handle handle, uint32_t event, void *param)
{
usb_status_t error = kStatus_USB_Error;
uint8_t *temp8 = (uint8_t *)param;
switch (event)
{
case kUSB_DeviceEventBusReset:
{
/* USB bus reset signal detected */
/* Initialize the control IN and OUT pipes */
USB_DeviceControlPipeInit(handle);
g_composite.attach = 0U;
g_InterfaceIsSet = 0U;
#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)
if (kStatus_USB_Success == USB_DeviceGetStatus(handle, kUSB_DeviceStatusSpeed, &g_composite.speed))
{
USB_DeviceSetSpeed(g_composite.speed);
}
#endif
}
break;
case kUSB_DeviceEventSetConfiguration:
if (USB_COMPOSITE_CONFIGURE_INDEX == (*temp8))
{
g_composite.attach = 1U;
g_composite.currentConfiguration = *temp8;
USB_DeviceAudioGeneratorSetConfigure(handle, *temp8);
USB_DeviceHidMouseSetConfigure(handle, *temp8);
error = kStatus_USB_Success;
}
break;
case kUSB_DeviceEventSetInterface:
if (g_composite.attach)
{
uint8_t interface = (uint8_t)(*temp8);
uint8_t alternateSetting = (uint8_t)g_UsbDeviceInterface[interface];
if (interface < USB_DEVICE_INTERFACE_COUNT)
{
if (USB_AUDIO_GENERATOR_STREAM_INTERFACE_INDEX == interface)
{
USB_DeviceAudioGeneratorSetInterface(handle, interface, alternateSetting);
}
error = kStatus_USB_Success;
}
}
break;
default:
break;
}
return error;
}
/*!
* @brief USB device callback function.
*
* This function handles the usb device specific requests.
*
* @param handle The USB device handle.
* @param event The USB device event type.
* @param param The parameter of the device specific request.
*
* @return A USB error code or kStatus_USB_Success.
*/
usb_status_t USB_DeviceCallback(usb_device_handle handle, uint32_t event, void *param)
{
usb_status_t error = kStatus_USB_Error;
uint16_t *temp16 = (uint16_t *)param;
uint8_t *temp8 = (uint8_t *)param;
switch (event)
{
case kUSB_DeviceEventBusReset:
{
g_composite.attach = 0U;
error = kStatus_USB_Success;
#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U)
if (kStatus_USB_Success == USB_DeviceClassGetSpeed(CONTROLLER_ID, &g_composite.speed))
{
USB_DeviceSetSpeed(handle, g_composite.speed);
}
#endif
}
break;
case kUSB_DeviceEventSetConfiguration:
if (param)
{
g_composite.attach = 1U;
g_composite.currentConfiguration = *temp8;
USB_DeviceAudioGeneratorSetConfigure(g_composite.audioGenerator.audioHandle, *temp8);
USB_DeviceHidMouseSetConfigure(g_composite.hidMouse.hidHandle, *temp8);
error = kStatus_USB_Success;
}
break;
case kUSB_DeviceEventSetInterface:
if (g_composite.attach)
{
uint8_t interface = (uint8_t)((*temp16 & 0xFF00U) >> 0x08U);
uint8_t alternateSetting = (uint8_t)(*temp16 & 0x00FFU);
if (interface < USB_DEVICE_INTERFACE_COUNT)
{
g_composite.currentInterfaceAlternateSetting[interface] = alternateSetting;
USB_DeviceHidMouseSetInterface(g_composite.hidMouse.hidHandle, interface, alternateSetting);
USB_DeviceAudioGeneratorSetInterface(g_composite.audioGenerator.audioHandle, interface,
alternateSetting);
error = kStatus_USB_Success;
}
}
break;
case kUSB_DeviceEventGetConfiguration:
if (param)
{
*temp8 = g_composite.currentConfiguration;
error = kStatus_USB_Success;
}
break;
case kUSB_DeviceEventGetInterface:
if (param)
{
uint8_t interface = (uint8_t)((*temp16 & 0xFF00U) >> 0x08U);
if (interface < USB_DEVICE_INTERFACE_COUNT)
{
*temp16 = (*temp16 & 0xFF00U) | g_composite.currentInterfaceAlternateSetting[interface];
error = kStatus_USB_Success;
}
else
{
error = kStatus_USB_InvalidRequest;
}
}
break;
case kUSB_DeviceEventGetDeviceDescriptor:
if (param)
{
error = USB_DeviceGetDeviceDescriptor(handle, (usb_device_get_device_descriptor_struct_t *)param);
}
break;
case kUSB_DeviceEventGetConfigurationDescriptor:
if (param)
{
error = USB_DeviceGetConfigurationDescriptor(handle,
(usb_device_get_configuration_descriptor_struct_t *)param);
}
break;
case kUSB_DeviceEventGetStringDescriptor:
if (param)
{
error = USB_DeviceGetStringDescriptor(handle, (usb_device_get_string_descriptor_struct_t *)param);
}
break;
case kUSB_DeviceEventGetHidReportDescriptor:
if (param)
{
error =
USB_DeviceGetHidReportDescriptor(handle, (usb_device_get_hid_report_descriptor_struct_t *)param);
}
break;
default:
break;
}
