75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
#include "include/board/board.h"
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#include "fsl_gpio.h"
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#include "usb_device_config.h"
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#include "usb.h"
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#include "usb_device.h"
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#include "include/usb/usb_device_class.h"
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#include "include/usb/usb_device_hid.h"
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#include "include/usb/usb_device_ch9.h"
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#include "composite.h"
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#include "include/lufa/HIDClassCommon.h"
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#include "usb_interface_keyboard.h"
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#include "usb_class_keyboard.h"
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#include "usb_descriptor_configuration.h"
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static usb_keyboard_report_t UsbKeyboardReport;
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static usb_status_t UsbKeyboardAction(void)
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{
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UsbKeyboardReport.modifiers = 0;
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UsbKeyboardReport.reserved = 0;
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for (uint8_t scancode_idx=0; scancode_idx<USB_KEYBOARD_MAX_KEYS; scancode_idx++) {
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UsbKeyboardReport.scancodes[scancode_idx] = 0;
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}
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if (!GPIO_ReadPinInput(BOARD_SW3_GPIO, BOARD_SW3_GPIO_PIN)) {
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UsbKeyboardReport.scancodes[0] = HID_KEYBOARD_SC_A;
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}
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return USB_DeviceHidSend(UsbCompositeDevice.keyboardHandle, USB_KEYBOARD_ENDPOINT_ID,
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(uint8_t*)&UsbKeyboardReport, USB_KEYBOARD_REPORT_LENGTH);
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}
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usb_status_t UsbKeyboardCallback(class_handle_t handle, uint32_t event, void *param)
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{
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usb_status_t error = kStatus_USB_Error;
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switch (event) {
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case kUSB_DeviceHidEventSendResponse:
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if (UsbCompositeDevice.attach) {
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return UsbKeyboardAction();
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}
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break;
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case kUSB_DeviceHidEventGetReport:
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case kUSB_DeviceHidEventSetReport:
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case kUSB_DeviceHidEventRequestReportBuffer:
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error = kStatus_USB_InvalidRequest;
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break;
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case kUSB_DeviceHidEventGetIdle:
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case kUSB_DeviceHidEventGetProtocol:
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case kUSB_DeviceHidEventSetIdle:
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case kUSB_DeviceHidEventSetProtocol:
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break;
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default:
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break;
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}
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return error;
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}
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usb_status_t UsbKeyboardSetConfiguration(class_handle_t handle, uint8_t configuration)
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{
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if (USB_COMPOSITE_CONFIGURATION_INDEX == configuration) {
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return UsbKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t UsbKeyboardSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
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{
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if (USB_KEYBOARD_INTERFACE_INDEX == interface) {
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return UsbKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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