/* Device callback */ usb_status_t USB_DeviceCallback(usb_device_handle handle, uint32_t event, void *param) { usb_status_t error = kStatus_USB_Success; 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_UsbDeviceComposite.attach = 0U; #if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U) /* Get USB speed to configure the device, including max packet size and interval of the endpoints. */ if (kStatus_USB_Success == USB_DeviceGetStatus(handle, kUSB_DeviceStatusSpeed, &g_UsbDeviceComposite.speed)) { USB_DeviceSetSpeed(g_UsbDeviceComposite.speed); } #endif } break; case kUSB_DeviceEventSetConfiguration: if (USB_COMPOSITE_CONFIGURE_INDEX == (*temp8)) { /* If the confguration is valid, set HID keyboard */ USB_DeviceHidKeyboardSetConfigure(handle, (*temp8)); /* If the confguration is valid, set HID mouse */ USB_DeviceHidMouseSetConfigure(handle, (*temp8)); } else { } g_UsbDeviceComposite.attach = 1U; break; default: break; } return error; }
/* The Device callback */ static 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: { /* USB bus reset signal detected */ g_UsbDeviceComposite.attach = 0U; error = kStatus_USB_Success; #if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0U) /* Get USB speed to configure the device, including max packet size and interval of the endpoints. */ if (kStatus_USB_Success == USB_DeviceClassGetSpeed(CONTROLLER_ID, &g_UsbDeviceComposite.speed)) { USB_DeviceSetSpeed(handle, g_UsbDeviceComposite.speed); } #endif } break; case kUSB_DeviceEventSetConfiguration: if (param) { /* Set device configuration request */ g_UsbDeviceComposite.attach = 1U; g_UsbDeviceComposite.currentConfiguration = *temp8; USB_DeviceHidMouseSetConfigure(g_UsbDeviceComposite.hidMouseHandle, *temp8); USB_DeviceHidKeyboardSetConfigure(g_UsbDeviceComposite.hidKeyboardHandle, *temp8); error = kStatus_USB_Success; } break; case kUSB_DeviceEventSetInterface: if (g_UsbDeviceComposite.attach) { /* Set device interface request */ uint8_t interface = (uint8_t)((*temp16 & 0xFF00U) >> 0x08U); uint8_t alternateSetting = (uint8_t)(*temp16 & 0x00FFU); if (interface < USB_COMPOSITE_INTERFACE_COUNT) { g_UsbDeviceComposite.currentInterfaceAlternateSetting[interface] = alternateSetting; USB_DeviceHidMouseSetInterface(g_UsbDeviceComposite.hidMouseHandle, interface, alternateSetting); USB_DeviceHidKeyboardSetInterface(g_UsbDeviceComposite.hidKeyboardHandle, interface, alternateSetting); error = kStatus_USB_Success; } } break; case kUSB_DeviceEventGetConfiguration: if (param) { /* Get current configuration request */ *temp8 = g_UsbDeviceComposite.currentConfiguration; error = kStatus_USB_Success; } break; case kUSB_DeviceEventGetInterface: if (param) { /* Get current alternate setting of the interface request */ uint8_t interface = (uint8_t)((*temp16 & 0xFF00U) >> 0x08U); if (interface < USB_COMPOSITE_INTERFACE_COUNT) { *temp16 = (*temp16 & 0xFF00U) | g_UsbDeviceComposite.currentInterfaceAlternateSetting[interface]; error = kStatus_USB_Success; } else { error = kStatus_USB_InvalidRequest; } } break; case kUSB_DeviceEventGetDeviceDescriptor: if (param) { /* Get device descriptor request */ error = USB_DeviceGetDeviceDescriptor(handle, (usb_device_get_device_descriptor_struct_t *)param); } break; case kUSB_DeviceEventGetConfigurationDescriptor: if (param) { /* Get device configuration descriptor request */ error = USB_DeviceGetConfigurationDescriptor(handle, (usb_device_get_configuration_descriptor_struct_t *)param); } break; case kUSB_DeviceEventGetStringDescriptor: if (param) { /* Get device string descriptor request */ error = USB_DeviceGetStringDescriptor(handle, (usb_device_get_string_descriptor_struct_t *)param); } break; case kUSB_DeviceEventGetHidDescriptor: if (param) { /* Get hid descriptor request */ error = USB_DeviceGetHidDescriptor(handle, (usb_device_get_hid_descriptor_struct_t *)param); } break; case kUSB_DeviceEventGetHidReportDescriptor: if (param) { /* Get hid report descriptor request */ error = USB_DeviceGetHidReportDescriptor(handle, (usb_device_get_hid_report_descriptor_struct_t *)param); } break; case kUSB_DeviceEventGetHidPhysicalDescriptor: if (param) { /* Get hid physical descriptor request */ error = USB_DeviceGetHidPhysicalDescriptor(handle, (usb_device_get_hid_physical_descriptor_struct_t *)param); } break; default: break; }