47 lines
971 B
C
47 lines
971 B
C
/*
|
|
* Copyright (c) 2020 The ZMK Contributors
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <zephyr.h>
|
|
#include <device.h>
|
|
#include <devicetree.h>
|
|
#include <drivers/gpio.h>
|
|
|
|
#define PWR_LED_NODE DT_ALIAS(led1-blue)
|
|
|
|
#if DT_NODE_HAS_STATUS(PWR_LED_NODE, okay)
|
|
#define PWR_LED DT_GPIO_LABEL(PWR_LED_NODE, gpios)
|
|
#define PWR_LED_PIN DT_GPIO_PIN(PWR_LED_NODE, gpios)
|
|
#else
|
|
/* A build error here means your board isn't set up to blink an LED. */
|
|
#error "Unsupported board: pwr_led devicetree alias is not defined"
|
|
#define PWR_LED ""
|
|
#define PIN 0
|
|
#define FLAGS 0
|
|
#endif
|
|
|
|
static int pwr_led_init(const struct device *_arg) {
|
|
ARG_UNUSED(_arg);
|
|
|
|
const struct device *dev;
|
|
int ret;
|
|
|
|
dev = device_get_binding(PWR_LED);
|
|
if (dev == NULL) {
|
|
return;
|
|
}
|
|
|
|
ret = gpio_pin_configure(dev, PWR_LED_PIN, GPIO_OUTPUT_ACTIVE);
|
|
if (ret < 0) {
|
|
return;
|
|
}
|
|
|
|
gpio_pin_set(dev, PIN, (int)true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
SYS_INIT(pwr_led_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);
|