ardupilot/libraries/AP_Notify/ToshibaLED_PX4.h

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/*
ToshibaLED PX4 driver
*/
/*
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/>.
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*/
#pragma once
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#include <AP_Math/AP_Math.h>
#include <AP_Math/vectorN.h>
#include "ToshibaLED.h"
class ToshibaLED_PX4 : public ToshibaLED
{
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public:
bool hw_init(void);
bool hw_set_rgb(uint8_t r, uint8_t g, uint8_t b);
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private:
int _rgbled_fd;
void update_timer(void);
// use a union so that updates can be of a single 32 bit value,
// making it atomic on PX4
union rgb_value {
struct {
uint8_t r;
uint8_t g;
uint8_t b;
};
volatile uint32_t v;
};
union rgb_value last, next;
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};