ardupilot/libraries/AP_Notify/DiscoLED.cpp

66 lines
1.8 KiB
C++

/*
Copyright (C) 2016 Mathieu Othacehe. All rights reserved.
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/>.
*/
#include <AP_HAL/AP_HAL.h>
#if CONFIG_HAL_BOARD == HAL_BOARD_LINUX
#include <AP_HAL_Linux/PWM_Sysfs.h>
#include "DiscoLED.h"
#define RED_PWM_INDEX 9
#define GREEN_PWM_INDEX 8
#define BLUE_PWM_INDEX 15
#define DISCO_LED_LOW 0x33
#define DISCO_LED_MEDIUM 0x7F
#define DISCO_LED_HIGH 0xFF
#define DISCO_LED_OFF 0x00
DiscoLED::DiscoLED():
RGBLed(DISCO_LED_OFF, DISCO_LED_HIGH, DISCO_LED_MEDIUM, DISCO_LED_LOW),
red_pwm(RED_PWM_INDEX),
green_pwm(GREEN_PWM_INDEX),
blue_pwm(BLUE_PWM_INDEX)
{
}
bool DiscoLED::hw_init()
{
red_pwm_period = red_pwm.get_period();
green_pwm_period = green_pwm.get_period();
blue_pwm_period = blue_pwm.get_period();
red_pwm.init();
green_pwm.init();
blue_pwm.init();
red_pwm.enable(true);
green_pwm.enable(true);
blue_pwm.enable(true);
return true;
}
bool DiscoLED::hw_set_rgb(uint8_t red, uint8_t green, uint8_t blue)
{
red_pwm.set_duty_cycle(red / UINT8_MAX * red_pwm_period);
green_pwm.set_duty_cycle(green / UINT8_MAX * green_pwm_period);
blue_pwm.set_duty_cycle(blue / UINT8_MAX * blue_pwm_period);
return true;
}
#endif