ardupilot/libraries/AP_Notify/AP_BoardLED.h

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/*
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/>.
*/
#pragma once
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#include <AP_Common/AP_Common.h>
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#include <AP_HAL/AP_HAL_Boards.h>
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#include "NotifyDevice.h"
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class AP_BoardLED: public NotifyDevice
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{
public:
// initialise the LED driver
bool init(void) override;
// should be called at 50Hz
void update(void) override;
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private:
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#if (defined(HAL_GPIO_A_LED_PIN) && defined(HAL_GPIO_B_LED_PIN) && \
defined(HAL_GPIO_C_LED_PIN))
// counter incremented at 50Hz
uint8_t _counter;
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#endif
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};