mirror of https://github.com/ArduPilot/ardupilot
49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
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ToshibaLED PX4 driver
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*/
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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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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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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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#ifndef __TOSHIBA_LED_PX4_H__
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#define __TOSHIBA_LED_PX4_H__
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#include "ToshibaLED.h"
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#include <AP_Math/AP_Math.h>
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#include <AP_Math/vectorN.h>
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class ToshibaLED_PX4 : public ToshibaLED
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{
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public:
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bool hw_init(void);
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bool hw_set_rgb(uint8_t r, uint8_t g, uint8_t b);
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private:
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int _rgbled_fd;
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void update_timer(void);
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// use a union so that updates can be of a single 32 bit value,
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// making it atomic on PX4
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union rgb_value {
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struct {
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uint8_t r;
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uint8_t g;
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uint8_t b;
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};
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volatile uint32_t v;
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};
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union rgb_value last, next;
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};
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#endif // __TOSHIBA_LED_PX4_H__
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