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RIOT/tests/unittests/tests-analog_util/tests-analog_util.c
2020-10-23 11:27:48 +02:00

73 lines
2.3 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-analog_util.h"
#include "analog_util.h"
#define ENABLE_DEBUG 0
#include "debug.h"
typedef struct {
int32_t expected;
int sample;
int32_t min;
int32_t max;
adc_res_t res;
} test_values_t;
/* Arbitrarily chosen test vectors */
/* TODO: Choose test vectors in a more qualified manner to catch any edge cases */
static test_values_t test_data[] = {
{ 0L, 0, 0L, 10000L, ADC_RES_16BIT},
{ 1000L, 0, 1000L, 0L, ADC_RES_16BIT},
{ 65535L, 65535, 0L, 65536L, ADC_RES_16BIT},
{ 32768L, 128, 0L, 65536L, ADC_RES_8BIT},
{ 8192L, 128, 0L, 65536L, ADC_RES_10BIT},
{ 256L, 1, 0L, 65536L, ADC_RES_8BIT},
{ 65280L, 255, 0L, 65536L, ADC_RES_8BIT},
{ 1039L, 10, 1000L, 2000L, ADC_RES_8BIT},
{ 17324L, 3000, 10000L, 20000L, ADC_RES_12BIT},
{ 11831L, 3000, 10000L, 20000L, ADC_RES_14BIT},
{ 2301L, 3000, 13L, 50000L, ADC_RES_16BIT},
{ -134L, 56789, -1000L, 0L, ADC_RES_16BIT},
{ 16062L, 45671, 30000L, 10000L, ADC_RES_16BIT},
{ -2535L, 30000, -30000L, 30000L, ADC_RES_16BIT},
{ 0L, 65535, 65535L, 0L, ADC_RES_16BIT},
{ 65534L, 1, 65535L, 0L, ADC_RES_16BIT},
{ 3972L, 9876, 10000L, 0L, ADC_RES_14BIT},
};
#define TEST_DATA_NUMOF ARRAY_SIZE(test_data)
static void test_adc_util_map(void)
{
for (unsigned int k = 0; k < TEST_DATA_NUMOF; ++k) {
test_values_t *testp = &test_data[k];
int32_t res = adc_util_map(testp->sample, testp->res, testp->min, testp->max);
TEST_ASSERT_EQUAL_INT(testp->expected, res);
}
}
Test *tests_adc_util_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_adc_util_map),
};
EMB_UNIT_TESTCALLER(adc_util_tests, NULL, NULL, fixtures);
return (Test *)&adc_util_tests;
}
void tests_analog_util(void)
{
TESTS_RUN(tests_adc_util_tests());
}