px4-firmware/apps/px4/tests/test_led.c

135 lines
4.3 KiB
C

/****************************************************************************
* px4/sensors/test_gpio.c
*
* Copyright (C) 2012 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <debug.h>
#include <arch/board/board.h>
#include <arch/board/drv_led.h>
#include "tests.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: test_led
****************************************************************************/
int test_led(int argc, char *argv[])
{
int fd;
int ret = 0;
fd = open("/dev/led", O_RDONLY | O_NONBLOCK);
if (fd < 0) {
printf("\tLED: open fail\n");
return ERROR;
}
if (ioctl(fd, LED_ON, LED_BLUE) ||
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) {
ioctl(fd, LED_ON, LED_BLUE);
ioctl(fd, LED_OFF, LED_AMBER);
} else {
ioctl(fd, LED_OFF, LED_BLUE);
ioctl(fd, LED_ON, LED_AMBER);
}
ledon = !ledon;
usleep(60000);
}
/* Go back to default */
ioctl(fd, LED_ON, LED_BLUE);
ioctl(fd, LED_OFF, LED_AMBER);
printf("\t LED test completed, no errors.\n");
return ret;
}