Files
firmware/right/src/usb_interfaces/usb_interface_basic_keyboard.c
Kristian Sloth Lauszus 6c895988de Merge branch 'Lauszus-dev' into dev
# Conflicts:
#	right/src/usb_interfaces/usb_interface_basic_keyboard.c
#	right/src/usb_interfaces/usb_interface_media_keyboard.c
#	right/src/usb_interfaces/usb_interface_mouse.c
#	right/src/usb_interfaces/usb_interface_system_keyboard.c
#	right/src/usb_report_updater.c
2018-06-30 22:23:32 +02:00

100 lines
3.5 KiB
C

#include "led_display.h"
#include "usb_composite_device.h"
#include "usb_report_updater.h"
static usb_basic_keyboard_report_t usbBasicKeyboardReports[2];
uint32_t UsbBasicKeyboardActionCounter;
usb_basic_keyboard_report_t* ActiveUsbBasicKeyboardReport = usbBasicKeyboardReports;
static uint8_t usbBasicKeyboardInBuffer[USB_BASIC_KEYBOARD_REPORT_LENGTH];
usb_basic_keyboard_report_t* GetInactiveUsbBasicKeyboardReport(void)
{
return ActiveUsbBasicKeyboardReport == usbBasicKeyboardReports ? usbBasicKeyboardReports+1 : usbBasicKeyboardReports;
}
static void SwitchActiveUsbBasicKeyboardReport(void)
{
ActiveUsbBasicKeyboardReport = GetInactiveUsbBasicKeyboardReport();
}
void ResetActiveUsbBasicKeyboardReport(void)
{
bzero(ActiveUsbBasicKeyboardReport, USB_BASIC_KEYBOARD_REPORT_LENGTH);
}
usb_status_t UsbBasicKeyboardAction(void)
{
if (!UsbCompositeDevice.attach) {
return kStatus_USB_Error; // The device is not attached
}
SwitchActiveUsbBasicKeyboardReport(); // Switch the active report
usb_status_t usb_status = USB_DeviceHidSend(
UsbCompositeDevice.basicKeyboardHandle, USB_BASIC_KEYBOARD_ENDPOINT_INDEX,
(uint8_t*)GetInactiveUsbBasicKeyboardReport(), USB_BASIC_KEYBOARD_REPORT_LENGTH);
if (usb_status == kStatus_USB_Success) {
UsbBasicKeyboardActionCounter++;
} else {
SwitchActiveUsbBasicKeyboardReport(); // Switch back, as the command failed
}
return usb_status;
}
usb_status_t UsbBasicKeyboardCallback(class_handle_t handle, uint32_t event, void *param)
{
usb_status_t error = kStatus_USB_Error;
switch (event) {
// This report is received when the report has been sent
case kUSB_DeviceHidEventSendResponse:
UsbReportUpdateSemaphore &= ~(1 << USB_BASIC_KEYBOARD_INTERFACE_INDEX);
if (UsbCompositeDevice.attach) {
error = kStatus_USB_Success;
}
break;
case kUSB_DeviceHidEventRecvResponse:
case kUSB_DeviceHidEventGetReport:
error = kStatus_USB_InvalidRequest;
break;
case kUSB_DeviceHidEventSetReport: {
usb_device_hid_report_struct_t *report = (usb_device_hid_report_struct_t*)param;
if (report->reportType == USB_DEVICE_HID_REQUEST_GET_REPORT_TYPE_OUPUT && report->reportId == 0 && report->reportLength == 1) {
LedDisplay_SetIcon(LedDisplayIcon_CapsLock, report->reportBuffer[0] & HID_KEYBOARD_LED_CAPSLOCK);
error = kStatus_USB_Success;
} else {
error = kStatus_USB_InvalidRequest;
}
break;
}
case kUSB_DeviceHidEventRequestReportBuffer: {
usb_device_hid_report_struct_t *report = (usb_device_hid_report_struct_t*)param;
if (report->reportLength <= USB_BASIC_KEYBOARD_REPORT_LENGTH) {
report->reportBuffer = usbBasicKeyboardInBuffer;
error = kStatus_USB_Success;
} else {
error = kStatus_USB_AllocFail;
}
break;
}
case kUSB_DeviceHidEventGetIdle:
case kUSB_DeviceHidEventGetProtocol:
case kUSB_DeviceHidEventSetIdle:
case kUSB_DeviceHidEventSetProtocol:
break;
default:
break;
}
return error;
}
usb_status_t UsbBasicKeyboardSetConfiguration(class_handle_t handle, uint8_t configuration)
{
return kStatus_USB_Error;
}
usb_status_t UsbBasicKeyboardSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
{
return kStatus_USB_Error;
}