samples: boards: nrf: system_off: use standard GPIO API (1f40012c) · Commits · Wenxi XU / zephyr

samples/boards/nrf/system_off/src/main.c

+15 −8

Changes for samples/boards/nrf/system_off/src/main.c: 15 added lines, 8 removed lines.
Original line number	Diff line number	Diff line
		@@ -10,13 +10,13 @@
		#include <stdio.h>

		#include <zephyr/device.h>
		#include <zephyr/drivers/gpio.h>
		#include <zephyr/kernel.h>
		#include <zephyr/pm/device.h>
		#include <zephyr/sys/poweroff.h>
		#include <zephyr/sys/util.h>

		#include <hal/nrf_gpio.h>
		#include <soc.h>
		static const struct gpio_dt_spec sw0 = GPIO_DT_SPEC_GET(DT_ALIAS(sw0), gpios);

		#define BUSY_WAIT_S 2U
		#define SLEEP_S 2U
		@@ -48,11 +48,12 @@ int main(void)
		printf("Retained data not supported\n");
		}

		/* Configure to generate PORT event (wakeup) on button 1 press. */
		nrf_gpio_cfg_input(NRF_DT_GPIOS_TO_PSEL(DT_ALIAS(sw0), gpios),
		NRF_GPIO_PIN_PULLUP);
		nrf_gpio_cfg_sense_set(NRF_DT_GPIOS_TO_PSEL(DT_ALIAS(sw0), gpios),
		NRF_GPIO_PIN_SENSE_LOW);
		/* configure sw0 as input, interrupt as level active to allow wake-up */
		rc = gpio_pin_configure_dt(&sw0, GPIO_INPUT);
		if (rc < 0) {
		printf("Could not configure sw0 GPIO (%d)\n", rc);
		return 0;
		}

		printf("Busy-wait %u s\n", BUSY_WAIT_S);
		k_busy_wait(BUSY_WAIT_S * USEC_PER_SEC);
		@@ -70,7 +71,13 @@ int main(void)
		k_sleep(K_SECONDS(SLEEP_S));
		rc = pm_device_action_run(cons, PM_DEVICE_ACTION_RESUME);

		printf("Entering system off; press BUTTON1 to restart\n");
		rc = gpio_pin_interrupt_configure_dt(&sw0, GPIO_INT_LEVEL_ACTIVE);
		if (rc < 0) {
		printf("Could not configure sw0 GPIO interrupt (%d)\n", rc);
		return 0;
		}

		printf("Entering system off; press sw0 to restart\n");

		if (IS_ENABLED(CONFIG_APP_RETENTION)) {
		/* Update the retained state */