samples: Using new GPIO API callbacks (8386a499) · Commits · Wenxi XU / zephyr

samples/drivers/button/src/main.c

+9 −2

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#include <zephyr.h>
		#include <device.h>
		#include <gpio.h>
		#include <misc/util.h>

		#if defined(CONFIG_STDOUT_CONSOLE)
		#include <stdio.h>
		@@ -36,11 +37,14 @@
		#define EDGE (GPIO_INT_EDGE \| GPIO_INT_ACTIVE_LOW)


		void button_pressed(struct device *gpiob, uint32_t pin)
		void button_pressed(struct device *gpiob,
		struct gpio_callback *cb, uint32_t pins)
		{
		PRINT("Button pressed at %d\n", sys_tick_get_32());
		}

		static struct gpio_callback gpio_cb;

		void main(void)
		{
		struct device *gpiob;
		@@ -51,7 +55,10 @@ void main(void)
		GPIO_DIR_IN \| GPIO_INT
		\| EDGE
		\| PULL_UP);
		gpio_set_callback(gpiob, button_pressed);

		gpio_init_callback(&gpio_cb, button_pressed, BIT(PIN));

		gpio_add_callback(gpiob, &gpio_cb);
		gpio_pin_enable_callback(gpiob, PIN);

		while (1) {

+9 −3

Original line number	Diff line number	Diff line
		@@ -121,6 +121,7 @@
		#include <device.h>
		#include <gpio.h>
		#include <sys_clock.h>
		#include <misc/util.h>

		#define SLEEPTICKS SECONDS(1)

		@@ -152,11 +153,14 @@
		#error "Unsupported GPIO driver"
		#endif

		void gpio_callback(struct device *port, uint32_t pin)
		void gpio_callback(struct device *port,
		struct gpio_callback *cb, uint32_t pins)
		{
		PRINT(GPIO_NAME "%d triggered\n", pin);
		PRINT(GPIO_NAME "%d triggered\n", GPIO_INT_PIN);
		}

		static struct gpio_callback gpio_cb;

		void main(void)
		{
		struct nano_timer timer;
		@@ -186,7 +190,9 @@ void main(void)
		PRINT("Error configuring " GPIO_NAME "%d!\n", GPIO_INT_PIN);
		}

		ret = gpio_set_callback(gpio_dev, gpio_callback);
		gpio_init_callback(&gpio_cb, gpio_callback, BIT(GPIO_INT_PIN));

		ret = gpio_add_callback(gpio_dev, &gpio_cb);
		if (ret) {
		PRINT("Cannot setup callback!\n");
		}