63 lines
2 KiB
C
63 lines
2 KiB
C
#include <init.h>
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#include <device.h>
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#include <devicetree.h>
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//#include <drivers/led.h>
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#include <drivers/gpio.h>
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#include <logging/log.h>
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LOG_MODULE_DECLARE(zmk, CONFIG_ZMK_LOG_LEVEL);
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#include <zmk/keymap.h>
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#include <zmk/event_manager.h>
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#include <zmk/events/layer_state_changed.h>
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/* The devicetree node identifier for the "led0" alias. */
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#define LED1_NODE DT_ALIAS(led1)
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#define LED2_NODE DT_ALIAS(led2)
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#define LED3_NODE DT_ALIAS(led3)
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#if DT_NODE_HAS_STATUS(LED1_NODE, okay)
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#define LED1 DT_GPIO_LABEL(LED1_NODE, gpios)
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#define PIN1 DT_GPIO_PIN(LED1_NODE, gpios)
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#define FLAGS1 DT_GPIO_FLAGS(LED1_NODE, gpios)
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#else
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#error "Unsupported board: led1 devicetree alias is not defined"
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#endif
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#if DT_NODE_HAS_STATUS(LED2_NODE, okay)
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#define LED2 DT_GPIO_LABEL(LED2_NODE, gpios)
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#define PIN2 DT_GPIO_PIN(LED2_NODE, gpios)
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#define FLAGS2 DT_GPIO_FLAGS(LED2_NODE, gpios)
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#else
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#error "Unsupported board: led2 devicetree alias is not defined"
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#endif
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#if DT_NODE_HAS_STATUS(LED3_NODE, okay)
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#define LED3 DT_GPIO_LABEL(LED3_NODE, gpios)
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#define PIN3 DT_GPIO_PIN(LED3_NODE, gpios)
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#define FLAGS3 DT_GPIO_FLAGS(LED3_NODE, gpios)
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#else
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#error "Unsupported board: led3 devicetree alias is not defined"
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#endif
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int led_event_handler(const zmk_event_t *eh) {
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const struct zmk_layer_state_changed *ev = as_zmk_layer_state_changed(eh);
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if (ev == NULL) {
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return -ENOTSUP;
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}
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const struct device *dev = device_get_binding(LED1);
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gpio_pin_configure(dev, PIN1, GPIO_OUTPUT_ACTIVE | FLAGS1);
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gpio_pin_configure(dev, PIN2, GPIO_OUTPUT_ACTIVE | FLAGS2);
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gpio_pin_configure(dev, PIN3, GPIO_OUTPUT_ACTIVE | FLAGS3);
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const uint8_t layer_active = zmk_keymap_highest_layer_active();
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gpio_pin_set(dev, PIN3, layer_active == 3 /* Nav */);
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gpio_pin_set(dev, PIN2, layer_active == 7 /* Symbol */);
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gpio_pin_set(dev, PIN1, layer_active == 6 /* Num */);
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return 0;
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}
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ZMK_LISTENER(led_foo, led_event_handler);
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ZMK_SUBSCRIPTION(led_foo, zmk_layer_state_changed);
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