test_led.c

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/**
 * @file test_led.c
 * Tests for led functionality.
 */

#include <px4_platform_common/time.h>
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/posix.h>

#include <sys/types.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

#include <arch/board/board.h>

#include <drivers/drv_board_led.h>

#include "tests_main.h"


int test_led(int argc, char *argv[])
{
    int     fd;
    int     ret = 0;

    fd = px4_open(LED0_DEVICE_PATH, 0);

    if (fd < 0) {
        printf("\tLED: open fail\n");
        return ERROR;
    }

    if (px4_ioctl(fd, LED_ON, LED_BLUE) ||
        px4_ioctl(fd, LED_ON, LED_AMBER)) {

        printf("\tLED: ioctl fail\n");
        return ERROR;
    }

    /* let them blink for fun */

    int i;
    uint8_t ledon = 1;

    for (i = 0; i < 10; i++) {
        if (ledon) {
            px4_ioctl(fd, LED_ON, LED_BLUE);
            px4_ioctl(fd, LED_OFF, LED_AMBER);

        } else {
            px4_ioctl(fd, LED_OFF, LED_BLUE);
            px4_ioctl(fd, LED_ON, LED_AMBER);
        }

        ledon = !ledon;
        px4_usleep(60000);
    }

    /* Go back to default */
    px4_ioctl(fd, LED_ON, LED_BLUE);
    px4_ioctl(fd, LED_OFF, LED_AMBER);

    printf("\t LED test completed, no errors.\n");

    return ret;
}