test_param.c 2.88 KB
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/**
 * @file test_param.c
 * Tests related to the parameter system.
 */

#include <px4_platform_common/defines.h>
#include <stdio.h>
#include "systemlib/err.h"
#include <parameters/param.h>
#include "tests_main.h"

#define PARAM_MAGIC1 12345678
#define PARAM_MAGIC2 0xa5a5a5a5

int
test_param(int argc, char *argv[])
{
	param_t		p;

	p = param_find("TEST_PARAMS");

	if (p == PARAM_INVALID) {
		warnx("test parameter not found");
		return 1;
	}

	if (param_reset(p) != OK) {
		warnx("failed param reset");
		return 1;
	}

	param_type_t t = param_type(p);

	if (t != PARAM_TYPE_INT32) {
		warnx("test parameter type mismatch (got %u)", (unsigned)t);
		return 1;
	}

	int32_t	val = -1;

	if (param_get(p, &val) != OK) {
		warnx("failed to read test parameter");
		return 1;
	}

	if (val != PARAM_MAGIC1) {
		warnx("parameter value mismatch");
		return 1;
	}

	val = PARAM_MAGIC2;

	if (param_set(p, &val) != OK) {
		warnx("failed to write test parameter");
		return 1;
	}

	if (param_get(p, &val) != OK) {
		warnx("failed to re-read test parameter");
		return 1;
	}

	if ((uint32_t)val != PARAM_MAGIC2) {
		warnx("parameter value mismatch after write");
		return 1;
	}

	warnx("parameter test PASS");

	return 0;
}