mirror of
https://github.com/RIOT-OS/RIOT.git
synced 2024-12-29 04:50:03 +01:00
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2018 Eistec AB
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU Lesser
|
|
* General Public License v2.1. See the file LICENSE in the top level
|
|
* directory for more details.
|
|
*/
|
|
|
|
#include "embUnit.h"
|
|
#include "tests-phydat.h"
|
|
|
|
#include "phydat.h"
|
|
|
|
#define ENABLE_DEBUG (0)
|
|
#include "debug.h"
|
|
|
|
static void test_phydat_fit(void)
|
|
{
|
|
/* verify that these big numbers are scaled to fit in phydat_t::val which is int16_t */
|
|
long val0 = 100445;
|
|
long val1 = 2000954;
|
|
long val2 = 30000455;
|
|
long val4 = 1234567;
|
|
phydat_t dat;
|
|
dat.scale = -6;
|
|
dat.unit = UNIT_V;
|
|
uint8_t res = phydat_fit(&dat, val0, 0, 0);
|
|
/* Check that the result was rescaled to 10044e-5 */
|
|
/* The scaled number is rounded toward zero */
|
|
TEST_ASSERT_EQUAL_INT(1, res);
|
|
TEST_ASSERT_EQUAL_INT(UNIT_V, dat.unit);
|
|
TEST_ASSERT_EQUAL_INT(-5, dat.scale);
|
|
TEST_ASSERT_EQUAL_INT( 10044, dat.val[0]);
|
|
/* Fit the next value in the phydat vector */
|
|
res = phydat_fit(&dat, val1, 1, res);
|
|
TEST_ASSERT_EQUAL_INT(2, res);
|
|
TEST_ASSERT_EQUAL_INT(UNIT_V, dat.unit);
|
|
TEST_ASSERT_EQUAL_INT(-4, dat.scale);
|
|
TEST_ASSERT_EQUAL_INT( 1004, dat.val[0]);
|
|
TEST_ASSERT_EQUAL_INT( 20009, dat.val[1]);
|
|
/* Fit the third value in the phydat vector */
|
|
res = phydat_fit(&dat, val2, 2, res);
|
|
TEST_ASSERT_EQUAL_INT(3, res);
|
|
TEST_ASSERT_EQUAL_INT(UNIT_V, dat.unit);
|
|
TEST_ASSERT_EQUAL_INT(-3, dat.scale);
|
|
TEST_ASSERT_EQUAL_INT( 100, dat.val[0]);
|
|
TEST_ASSERT_EQUAL_INT( 2000, dat.val[1]);
|
|
TEST_ASSERT_EQUAL_INT( 30000, dat.val[2]);
|
|
/* Overwrite the second value in the phydat vector */
|
|
res = phydat_fit(&dat, val4, 1, res);
|
|
TEST_ASSERT_EQUAL_INT(3, res);
|
|
TEST_ASSERT_EQUAL_INT(UNIT_V, dat.unit);
|
|
TEST_ASSERT_EQUAL_INT(-3, dat.scale);
|
|
TEST_ASSERT_EQUAL_INT( 100, dat.val[0]);
|
|
TEST_ASSERT_EQUAL_INT( 1234, dat.val[1]);
|
|
TEST_ASSERT_EQUAL_INT( 30000, dat.val[2]);
|
|
}
|
|
|
|
Test *tests_phydat_tests(void)
|
|
{
|
|
EMB_UNIT_TESTFIXTURES(fixtures) {
|
|
new_TestFixture(test_phydat_fit),
|
|
};
|
|
|
|
EMB_UNIT_TESTCALLER(phydat_tests, NULL, NULL, fixtures);
|
|
|
|
return (Test *)&phydat_tests;
|
|
}
|
|
|
|
void tests_phydat(void)
|
|
{
|
|
TESTS_RUN(tests_phydat_tests());
|
|
}
|