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/****************************************************************************
*
* 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 PX4 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 <nuttx/arch.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/spi.h>
#include "tests.h"
#include <nuttx/analog/adc.h>
#include <drivers/drv_adc.h>
#include <systemlib/err.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: test_gpio
****************************************************************************/
int test_jig_voltages(int argc, char *argv[])
{
int fd = open(ADC_DEVICE_PATH, O_RDONLY);
int ret = OK;
if (fd < 0) {
warnx("can't open ADC device");
return 1;
}
/* make space for a maximum of eight channels */
struct adc_msg_s data[8];
/* read all channels available */
ssize_t count = read(fd, data, sizeof(data));
if (count < 0) {
close(fd);
warnx("can't read from ADC driver. Forgot 'adc start' command?");
return 1;
}
unsigned channels = count / sizeof(data[0]);
for (unsigned j = 0; j < channels; j++) {
printf("%d: %u ", data[j].am_channel, data[j].am_data);
}
printf("\n");
warnx("\t ADC operational.\n");
/* Expected values */
int16_t expected_min[] = {2800, 2800, 1800, 800};
int16_t expected_max[] = {3100, 3100, 2100, 1100};
char *check_res[channels];
if (channels < 4) {
close(fd);
warnx("not all four test channels available, aborting.");
return 1;
} else {
/* Check values */
check_res[0] = (expected_min[0] < data[0].am_data && expected_max[0] > data[0].am_data) ? "OK" : "FAIL";
check_res[1] = (expected_min[1] < data[1].am_data && expected_max[1] > data[1].am_data) ? "OK" : "FAIL";
check_res[2] = (expected_min[2] < data[2].am_data && expected_max[2] > data[2].am_data) ? "OK" : "FAIL";
check_res[3] = (expected_min[3] < data[3].am_data && expected_max[3] > data[3].am_data) ? "OK" : "FAIL";
/* Accumulate result */
ret += (expected_min[0] > data[0].am_data || expected_max[0] < data[0].am_data) ? 1 : 0;
ret += (expected_min[1] > data[1].am_data || expected_max[1] < data[1].am_data) ? 1 : 0;
ret += (expected_min[2] > data[2].am_data || expected_max[2] < data[2].am_data) ? 1 : 0;
ret += (expected_min[3] > data[3].am_data || expected_max[3] < data[3].am_data) ? 1 : 0;
message("Sample:");
message("channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n",
data[0].am_channel, (int)(data[0].am_data), expected_min[0], expected_max[0], check_res[0]);
message("channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n",
data[1].am_channel, (int)(data[1].am_data), expected_min[1], expected_max[1], check_res[1]);
message("channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n",
data[2].am_channel, (int)(data[2].am_data), expected_min[2], expected_max[2], check_res[2]);
message("channel: %d value: %d (allowed min: %d, allowed max: %d), result: %s\n",
data[3].am_channel, (int)(data[3].am_data), expected_min[3], expected_max[3], check_res[3]);
if (ret != OK) {
printf("\t JIG voltages test FAILED. Some channels where out of allowed range. Check supply voltages.\n");
goto errout_with_dev;
}
}
printf("\t JIG voltages test successful.\n");
errout_with_dev:
if (fd != 0) close(fd);
return ret;
}
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