test_adc.cpp
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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.
*
****************************************************************************/
/**
* @file test_adc.c
* Test for the analog to digital converter.
*/
#include <px4_platform_common/time.h>
#include <px4_platform_common/log.h>
#include "tests_main.h"
#include <drivers/drv_adc.h>
#include <uORB/Subscription.hpp>
#include <uORB/topics/adc_report.h>
int test_adc(int argc, char *argv[])
{
uORB::Subscription _adc_sub{ORB_ID(adc_report)};
adc_report_s adc;
px4_usleep(50000); // sleep 50ms and wait for adc report
if (_adc_sub.update(&adc)) {
PX4_INFO_RAW("DeviceID: %d\n", adc.device_id);
PX4_INFO_RAW("Resolution: %d\n", adc.resolution);
PX4_INFO_RAW("Voltage Reference: %f\n", adc.v_ref);
for (int i = 0; i < PX4_MAX_ADC_CHANNELS; ++i) {
PX4_INFO_RAW("%d: %d ", adc.channel_id[i], adc.raw_data[i]);
}
PX4_INFO_RAW("\n");
PX4_INFO_RAW("\t ADC test successful.\n");
return OK;
} else {
return 1;
}
}