- /* 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 "quantum.h"
- #include "usb_util.h"
-
- __attribute__((weak)) void usb_disconnect(void) {}
- __attribute__((weak)) bool usb_connected_state(void) { return true; }
- __attribute__((weak)) bool usb_vbus_state(void) {
- #ifdef USB_VBUS_PIN
- setPinInput(USB_VBUS_PIN);
- wait_us(5);
- return readPin(USB_VBUS_PIN);
- #else
- return true;
- #endif
- }
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