36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* Copyright 2021 QMK
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "usb_util.h"
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#include "gpio.h"
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#include "wait.h"
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__attribute__((weak)) void usb_disconnect(void) {}
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__attribute__((weak)) bool usb_connected_state(void) {
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return true;
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}
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__attribute__((weak)) bool usb_vbus_state(void) {
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#ifdef USB_VBUS_PIN
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gpio_set_pin_input(USB_VBUS_PIN);
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wait_us(5);
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return gpio_read_pin(USB_VBUS_PIN);
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#else
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return true;
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#endif
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}
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