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samples: blinky: update to use new GPIO API

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Update gpio_pin_configure() to take into account GPIO flags defined by
the devicetree.

Signed-off-by: Piotr Mienkowski <piotr.mienkowski@gmail.com>
This commit is contained in:
Piotr Mienkowski 2019-01-29 00:33:10 +01:00 • committed by Carles Cufí
commit ebc5bc62b0
1 changed files with 20 additions and 12 deletions
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32
samples/basic/blinky/src/main.c
View file

@ -8,25 +8,33 @@
#include <device.h>
#include <drivers/gpio.h>
#define LED_PORT DT_ALIAS_LED0_GPIOS_CONTROLLER
#define LED DT_ALIAS_LED0_GPIOS_PIN
/* 1000 msec = 1 sec */
#define SLEEP_TIME 1000
#define SLEEP_TIME_MS 1000
#ifndef DT_ALIAS_LED0_GPIOS_FLAGS
#define DT_ALIAS_LED0_GPIOS_FLAGS 0
#endif
void main(void)
{
u32_t cnt = 0;
struct device *dev;
bool led_is_on = false;
int ret;
dev = device_get_binding(LED_PORT);
/* Set LED pin as output */
gpio_pin_configure(dev, LED, GPIO_DIR_OUT);
dev = device_get_binding(DT_ALIAS_LED0_GPIOS_CONTROLLER);
if (dev == NULL) {
return;
}
ret = gpio_pin_configure(dev, DT_ALIAS_LED0_GPIOS_PIN, GPIO_OUTPUT |
DT_ALIAS_LED0_GPIOS_FLAGS);
if (ret < 0) {
return;
}
while (1) {
/* Set pin to HIGH/LOW every 1 second */
gpio_pin_write(dev, LED, cnt % 2);
cnt++;
k_sleep(SLEEP_TIME);
gpio_pin_set(dev, DT_ALIAS_LED0_GPIOS_PIN, (int)led_is_on);
led_is_on = !led_is_on;
k_sleep(SLEEP_TIME_MS);
}
}