58 lines
961 B
Plaintext
58 lines
961 B
Plaintext
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/* --------------------------- */
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/* LED */
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/* --------------------------- */
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/* Imports / Declarations */
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#include <zephyr/kernel.h>
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#include <zephyr/drivers/gpio.h>
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/* The devicetree node identifier for the "led0" alias. */
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#define LED0_NODE DT_ALIAS(led0)
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/*
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* A build error on this line means your board is unsupported.
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* See the sample documentation for information on how to fix this.
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*/
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static const struct gpio_dt_spec led = GPIO_DT_SPEC_GET(LED0_NODE, gpios);
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/* Functions */
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int initialize_led(void) {
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int ret;
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if (!gpio_is_ready_dt(&led)) {
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return 0;
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}
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ret = gpio_pin_configure_dt(&led, GPIO_OUTPUT_ACTIVE);
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if (ret < 0) {
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return 0;
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}
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}
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int blink_led(int blink_delay) {
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int ret;
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while (1) {
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ret = gpio_pin_toggle_dt(&led);
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if (ret < 0) {
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return 0;
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}
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k_msleep(blink_delay);
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}
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return 0;
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}
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/*
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Example:
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int main(void)
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{
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initialize_led();
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blink_led(10000); # Millis
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return 0;
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}
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*/ |