/* * Copyright (c) 2020 The ZMK Contributors * * SPDX-License-Identifier: MIT */ #include #include #include #include #define PWR_LED_NODE DT_ALIAS(powerled) #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 *dev) { dev = device_get_binding(PWR_LED); if (dev == NULL) { return -EIO; } if (gpio_pin_configure(dev, PWR_LED_PIN, GPIO_OUTPUT) < 0) { return -EIO; } return gpio_pin_set(dev, PIN, (int)true); } SYS_INIT(pwr_led_init, APPLICATION, CONFIG_APPLICATION_INIT_PRIORITY);