Files
firmware/right/usb_interface_keyboard.c
2016-02-29 20:44:53 +01:00

69 lines
2.0 KiB
C

#include "include/board/board.h"
#include "fsl_gpio.h"
#include "usb_device_config.h"
#include "usb.h"
#include "usb_device.h"
#include "include/usb/usb_device_class.h"
#include "include/usb/usb_device_hid.h"
#include "include/usb/usb_device_ch9.h"
#include "composite.h"
#include "scancodes.h"
#include "usb_interface_keyboard.h"
#include "usb_class_keyboard.h"
#include "usb_descriptor_configuration.h"
static usb_device_hid_keyboard_struct_t UsbKeyboardDevice;
static usb_status_t UsbKeyboardAction(void)
{
UsbKeyboardDevice.buffer[2] = 0x00U;
if (!GPIO_ReadPinInput(BOARD_SW3_GPIO, BOARD_SW3_GPIO_PIN)) {
UsbKeyboardDevice.buffer[2] = KEY_A;
}
return USB_DeviceHidSend(UsbCompositeDevice.keyboardHandle, USB_KEYBOARD_ENDPOINT_ID,
UsbKeyboardDevice.buffer, USB_KEYBOARD_REPORT_LENGTH);
}
usb_status_t UsbKeyboardCallback(class_handle_t handle, uint32_t event, void *param)
{
usb_status_t error = kStatus_USB_Error;
switch (event) {
case kUSB_DeviceHidEventSendResponse:
if (UsbCompositeDevice.attach) {
return UsbKeyboardAction();
}
break;
case kUSB_DeviceHidEventGetReport:
case kUSB_DeviceHidEventSetReport:
case kUSB_DeviceHidEventRequestReportBuffer:
error = kStatus_USB_InvalidRequest;
break;
case kUSB_DeviceHidEventGetIdle:
case kUSB_DeviceHidEventGetProtocol:
case kUSB_DeviceHidEventSetIdle:
case kUSB_DeviceHidEventSetProtocol:
break;
default:
break;
}
return error;
}
usb_status_t UsbKeyboardSetConfiguration(class_handle_t handle, uint8_t configuration)
{
if (USB_COMPOSITE_CONFIGURATION_INDEX == configuration) {
return UsbKeyboardAction();
}
return kStatus_USB_Error;
}
usb_status_t UsbKeyboardSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
{
if (USB_KEYBOARD_INTERFACE_INDEX == interface) {
return UsbKeyboardAction();
}
return kStatus_USB_Error;
}