96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
#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 "usb_device_descriptor.h"
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#include "composite.h"
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#include "hid_keyboard.h"
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static usb_status_t USB_DeviceHidKeyboardAction(void);
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static usb_device_composite_struct_t *s_UsbDeviceComposite;
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static usb_device_hid_keyboard_struct_t s_UsbDeviceHidKeyboard;
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static usb_status_t USB_DeviceHidKeyboardAction(void)
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{
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static int x = 0U;
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enum {
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DOWN,
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UP
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};
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static uint8_t dir = DOWN;
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s_UsbDeviceHidKeyboard.buffer[2] = 0x00U;
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switch (dir) {
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case DOWN:
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x++;
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if (x > 200U) {
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dir++;
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s_UsbDeviceHidKeyboard.buffer[2] = KEY_PAGEUP;
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}
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break;
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case UP:
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x--;
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if (x < 1U) {
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dir = DOWN;
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s_UsbDeviceHidKeyboard.buffer[2] = KEY_PAGEDOWN;
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}
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break;
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default:
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break;
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}
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return USB_DeviceHidSend(s_UsbDeviceComposite->hidKeyboardHandle, USB_HID_KEYBOARD_ENDPOINT_IN,
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s_UsbDeviceHidKeyboard.buffer, USB_HID_KEYBOARD_REPORT_LENGTH);
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}
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usb_status_t USB_DeviceHidKeyboardCallback(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 (s_UsbDeviceComposite->attach) {
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return USB_DeviceHidKeyboardAction();
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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 USB_DeviceHidKeyboardSetConfigure(class_handle_t handle, uint8_t configure)
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{
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if (USB_COMPOSITE_CONFIGURE_INDEX == configure) {
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return USB_DeviceHidKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t USB_DeviceHidKeyboardSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
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{
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if (USB_HID_KEYBOARD_INTERFACE_INDEX == interface) {
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return USB_DeviceHidKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t USB_DeviceHidKeyboardInit(usb_device_composite_struct_t *deviceComposite)
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{
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s_UsbDeviceComposite = deviceComposite;
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return kStatus_USB_Success;
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}
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