qmk-firmware/tmk_core/protocol/lufa/usb_util.c

37 lines
1.1 KiB
C

/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <LUFA/Drivers/USB/USB.h>
#include "usb_util.h"
#include "wait.h"
void usb_disconnect(void) {
USB_Disable();
USB_DeviceState = DEVICE_STATE_Unattached;
}
bool usb_connected_state(void) {
return USB_Device_IsAddressSet();
}
#if defined(OTGPADE)
bool usb_vbus_state(void) {
USB_OTGPAD_On(); // enables VBUS pad
wait_us(5);
return USB_VBUS_GetStatus(); // checks state of VBUS
}
#endif