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Use a switch statement

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This commit is contained in:
Eric Tang
2018-06-28 16:10:26 -07:00
parent 5d621880ec
commit 1bd8c7dca8
1 changed files with 23 additions and 17 deletions
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40
right/src/usb_descriptors/usb_descriptor_hid.c
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@@ -12,23 +12,29 @@ usb_status_t USB_DeviceGetHidDescriptor(
usb_status_t USB_DeviceGetHidReportDescriptor(
usb_device_handle handle, usb_device_get_hid_report_descriptor_struct_t *hidReportDescriptor)
{
if (USB_GENERIC_HID_INTERFACE_INDEX == hidReportDescriptor->interfaceNumber) {
hidReportDescriptor->buffer = UsbGenericHidReportDescriptor;
hidReportDescriptor->length = USB_GENERIC_HID_REPORT_DESCRIPTOR_LENGTH;
} else if (USB_BASIC_KEYBOARD_INTERFACE_INDEX == hidReportDescriptor->interfaceNumber) {
hidReportDescriptor->buffer = UsbBasicKeyboardReportDescriptor;
hidReportDescriptor->length = USB_BASIC_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
} else if (USB_MEDIA_KEYBOARD_INTERFACE_INDEX == hidReportDescriptor->interfaceNumber) {
hidReportDescriptor->buffer = UsbMediaKeyboardReportDescriptor;
hidReportDescriptor->length = USB_MEDIA_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
} else if (USB_SYSTEM_KEYBOARD_INTERFACE_INDEX == hidReportDescriptor->interfaceNumber) {
hidReportDescriptor->buffer = UsbSystemKeyboardReportDescriptor;
hidReportDescriptor->length = USB_MEDIA_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
} else if (USB_MOUSE_INTERFACE_INDEX == hidReportDescriptor->interfaceNumber) {
hidReportDescriptor->buffer = UsbMouseReportDescriptor;
hidReportDescriptor->length = USB_MOUSE_REPORT_DESCRIPTOR_LENGTH;
} else {
return kStatus_USB_InvalidRequest;
switch (hidReportDescriptor->interfaceNumber) {
case USB_GENERIC_HID_INTERFACE_INDEX:
hidReportDescriptor->buffer = UsbGenericHidReportDescriptor;
hidReportDescriptor->length = USB_GENERIC_HID_REPORT_DESCRIPTOR_LENGTH;
break;
case USB_BASIC_KEYBOARD_INTERFACE_INDEX:
hidReportDescriptor->buffer = UsbBasicKeyboardReportDescriptor;
hidReportDescriptor->length = USB_BASIC_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
break;
case USB_MEDIA_KEYBOARD_INTERFACE_INDEX:
hidReportDescriptor->buffer = UsbMediaKeyboardReportDescriptor;
hidReportDescriptor->length = USB_MEDIA_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
break;
case USB_SYSTEM_KEYBOARD_INTERFACE_INDEX:
hidReportDescriptor->buffer = UsbSystemKeyboardReportDescriptor;
hidReportDescriptor->length = USB_MEDIA_KEYBOARD_REPORT_DESCRIPTOR_LENGTH;
break;
case USB_MOUSE_INTERFACE_INDEX:
hidReportDescriptor->buffer = UsbMouseReportDescriptor;
hidReportDescriptor->length = USB_MOUSE_REPORT_DESCRIPTOR_LENGTH;
break;
default:
return kStatus_USB_InvalidRequest;
}
return kStatus_USB_Success;
}