ardupilot/libraries/AP_Notify/DiscreteRGBLed.cpp
2016-02-27 03:06:50 -03:00

65 lines
1.8 KiB
C++

/*
DiscreteRGBLed 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/>.
*/
#include "DiscreteRGBLed.h"
#define NAVIO_LED_BRIGHT 1 // full brightness
#define NAVIO_LED_MEDIUM 1 // medium brightness
#define NAVIO_LED_DIM 1 // dim brightness
#define NAVIO_LED_OFF 0 // off
# define GREEN_PIN 27
# define BLUE_PIN 6
# define RED_PIN 4
extern const AP_HAL::HAL& hal;
DiscreteRGBLed::DiscreteRGBLed()
: RGBLed(NAVIO_LED_OFF, NAVIO_LED_BRIGHT, NAVIO_LED_MEDIUM, NAVIO_LED_DIM)
{
}
#include <unistd.h>
bool DiscreteRGBLed::hw_init(void)
{
red_pin = hal.gpio->channel(RED_PIN);
green_pin = hal.gpio->channel(GREEN_PIN);
blue_pin = hal.gpio->channel(BLUE_PIN);
red_pin->mode(HAL_GPIO_OUTPUT);
green_pin->mode(HAL_GPIO_OUTPUT);
blue_pin->mode(HAL_GPIO_OUTPUT);
red_pin->write(0);
green_pin->write(0);
blue_pin->write(0);
return true;
}
// set_rgb - set color as a combination of red, green and blue values
bool DiscreteRGBLed::hw_set_rgb(uint8_t red, uint8_t green, uint8_t blue)
{
/* We fix the GPIO polarity right here */
red_pin->write(!red);
green_pin->write(!green);
blue_pin->write(!blue);
return true;
}