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betaflight/src/main/drivers/light_led.c
2016-07-16 07:54:58 +01:00

118 lines
2.3 KiB
C

/*
* This file is part of Cleanflight.
*
* Cleanflight 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.
*
* Cleanflight 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 Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include "platform.h"
#include "io.h"
#include "io_impl.h"
#include "light_led.h"
static const IO_t leds[] = {
#ifdef LED0
DEFIO_IO(LED0),
#else
DEFIO_IO(NONE),
#endif
#ifdef LED1
DEFIO_IO(LED1),
#else
DEFIO_IO(NONE),
#endif
#ifdef LED2
DEFIO_IO(LED2),
#else
DEFIO_IO(NONE),
#endif
#if defined(LED0_A) || defined(LED1_A) || defined(LED2_A)
#ifdef LED0_A
DEFIO_IO(LED0_A),
#else
DEFIO_IO(NONE),
#endif
#ifdef LED1_A
DEFIO_IO(LED1_A),
#else
DEFIO_IO(NONE),
#endif
#ifdef LED2_A
DEFIO_IO(LED2_A),
#else
DEFIO_IO(NONE),
#endif
#endif
};
uint8_t ledPolarity = 0
#ifdef LED0_INVERTED
| BIT(0)
#endif
#ifdef LED1_INVERTED
| BIT(1)
#endif
#ifdef LED2_INVERTED
| BIT(2)
#endif
#ifdef LED0_A_INVERTED
| BIT(3)
#endif
#ifdef LED1_A_INVERTED
| BIT(4)
#endif
#ifdef LED2_A_INVERTED
| BIT(5)
#endif
;
static uint8_t ledOffset = 0;
void ledInit(bool alternative_led)
{
#if defined(LED0_A) || defined(LED1_A) || defined(LED2_A)
if (alternative_led) {
ledOffset = LED_NUMBER;
}
#else
UNUSED(alternative_led);
#endif
LED0_OFF;
LED1_OFF;
LED2_OFF;
for (int i = 0; i < LED_NUMBER; i++) {
if (leds[i + ledOffset]) {
IOInit(leds[i + ledOffset], OWNER_LED, RESOURCE_OUTPUT, RESOURCE_INDEX(i));
IOConfigGPIO(leds[i + ledOffset], IOCFG_OUT_PP);
}
}
LED0_OFF;
LED1_OFF;
LED2_OFF;
}
void ledToggle(int led)
{
IOToggle(leds[led + ledOffset]);
}
void ledSet(int led, bool on)
{
const bool inverted = (1 << (led + ledOffset)) & ledPolarity;
IOWrite(leds[led + ledOffset], on ? inverted : !inverted);
}