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betaflight/src/main/drivers/light_led.c
2017-02-02 10:41:19 +00:00

59 lines
1.5 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 IO_t leds[LED_NUMBER];
static uint8_t ledPolarity = 0;
void ledInit(const statusLedConfig_t *statusLedConfig)
{
LED0_OFF;
LED1_OFF;
LED2_OFF;
ledPolarity = statusLedConfig->polarity;
for (int i = 0; i < LED_NUMBER; i++) {
if (statusLedConfig->ledTags[i]) {
leds[i] = IOGetByTag(statusLedConfig->ledTags[i]);
IOInit(leds[i], OWNER_LED, RESOURCE_INDEX(i));
IOConfigGPIO(leds[i], IOCFG_OUT_PP);
} else {
leds[i] = IO_NONE;
}
}
LED0_OFF;
LED1_OFF;
LED2_OFF;
}
void ledToggle(int led)
{
IOToggle(leds[led]);
}
void ledSet(int led, bool on)
{
const bool inverted = (1 << (led)) & ledPolarity;
IOWrite(leds[led], on ? inverted : !inverted);
}