mirror of
https://github.com/betaflight/betaflight.git
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77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
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* This file is part of Cleanflight.
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*
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* Cleanflight 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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* Cleanflight 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 Cleanflight. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "sdcard.h"
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#include <stdlib.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "platform.h"
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#include "io.h"
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#include "system.h"
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#include "usb_io.h"
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#ifdef USB_IO
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static IO_t usbDetectPin = IO_NONE;
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void usbCableDetectDeinit(void)
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{
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#ifdef USB_DETECT_PIN
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IOInit(usbDetectPin, OWNER_FREE, RESOURCE_NONE);
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IOConfigGPIO(usbDetectPin, IOCFG_IN_FLOATING);
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usbDetectPin = IO_NONE;
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#endif
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}
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void usbCableDetectInit(void)
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{
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#ifdef USB_DETECT_PIN
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usbDetectPin = IOGetByTag(IO_TAG(USB_DETECT_PIN));
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IOInit(usbDetectPin, OWNER_USB, RESOURCE_INPUT);
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IOConfigGPIO(usbDetectPin, IOCFG_OUT_PP);
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#endif
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}
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bool usbCableIsInserted(void)
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{
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bool result = false;
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#ifdef USB_DETECT_PIN
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result = IORead(usbDetectPin) != 0;
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#endif
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return result;
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}
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void usbGenerateDisconnectPulse(void)
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{
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/* Pull down PA12 to create USB disconnect pulse */
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IO_t usbPin = IOGetByTag(IO_TAG(PA12));
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IOConfigGPIO(usbPin, IOCFG_OUT_OD);
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IOHi(usbPin);
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delay(200);
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IOLo(usbPin);
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}
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#endif
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