a752c7ab
 elopes
add first test an...
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/*
* Copyright (C) 2017 Freie Universitรคt Berlin
*
* 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.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Test application for the DS1307 RTC driver
*
* @author Martine Lenders <m.lenders@fu-berlin.de>
*
* @}
*/
#include <stdio.h>
#include "ds1307.h"
#include "ds1307_params.h"
#include "embUnit.h"
#include "embUnit/embUnit.h"
#include "timex.h"
#include "xtimer.h"
#define TEST_STRING "This is a test"
static ds1307_t dev;
static struct tm init = { /* Wed Sep 22 15:10:42 2010 is the author date of
* RIOT's initial commit ;-) */
.tm_sec = 42,
.tm_min = 10,
.tm_hour = 15,
.tm_wday = 3,
.tm_mday = 22,
.tm_mon = 8,
.tm_year = 110
};
static int _tm_cmp(struct tm *a, struct tm *b)
{
if (a->tm_year == b->tm_year) {
if (a->tm_mon == b->tm_mon) {
if (a->tm_mday == b->tm_mday) {
/* ignoring week day */
if (a->tm_hour == b->tm_hour) {
if (a->tm_min == b->tm_min) {
return a->tm_sec - b->tm_sec;
}
return a->tm_min - b->tm_min;
}
return a->tm_hour - b->tm_hour;
}
return a->tm_mday - b->tm_mday;
}
return a->tm_mon - b->tm_mon;
}
return a->tm_year - b->tm_year;
}
static void set_up(void)
{
ds1307_set_time(&dev, &init);
}
static void test_nvram(void)
{
struct tm time;
uint8_t buf[DS1307_NVRAM_MAX_SIZE] = { 0 };
ds1307_halt(&dev);
TEST_ASSERT_NOT_NULL(dev.nvram.read);
TEST_ASSERT_NOT_NULL(dev.nvram.write);
TEST_ASSERT(dev.nvram.read(&dev.nvram, buf, 0, DS1307_NVRAM_MAX_SIZE + 1) < 0);
TEST_ASSERT(dev.nvram.write(&dev.nvram, buf, 0, DS1307_NVRAM_MAX_SIZE + 1) < 0);
TEST_ASSERT(dev.nvram.read(&dev.nvram, buf, 1, DS1307_NVRAM_MAX_SIZE) < 0);
TEST_ASSERT(dev.nvram.write(&dev.nvram, buf, 1, DS1307_NVRAM_MAX_SIZE) < 0);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING),
dev.nvram.write(&dev.nvram, (uint8_t *)TEST_STRING, 0,
sizeof(TEST_STRING)));
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING),
dev.nvram.read(&dev.nvram, buf, 0,
sizeof(TEST_STRING)));
TEST_ASSERT_EQUAL_STRING(TEST_STRING, (char *)buf);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING) - 1,
dev.nvram.read(&dev.nvram, buf, 5,
sizeof(TEST_STRING) - 1));
TEST_ASSERT_EQUAL_STRING("is a test", (char *)buf);
ds1307_get_time(&dev, &time);
TEST_ASSERT_EQUAL_INT(0, _tm_cmp(&init, &time));
}
static void test_get_time(void)
{
for (int i = 0; i < 5; i++) {
struct tm time;
xtimer_sleep(1);
ds1307_get_time(&dev, &time);
TEST_ASSERT(_tm_cmp(&init, &time) <= 0);
}
}
static void test_halt(void)
{
ds1307_halt(&dev);
for (int i = 0; i < 3; i++) {
struct tm time;
xtimer_sleep(1);
ds1307_get_time(&dev, &time);
TEST_ASSERT_EQUAL_INT(0, _tm_cmp(&init, &time));
}
}
static Test *tests_ds1307(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_nvram),
new_TestFixture(test_get_time),
/* set tested in set_up */
new_TestFixture(test_halt),
};
EMB_UNIT_TESTCALLER(tests, set_up, NULL, fixtures);
return (Test *)&tests;
}
int main(void)
{
int res;
puts("DS1307 RTC test\n");
/* initialize the device */
res = ds1307_init(&dev, (&ds1307_params[0]));
if (res != 0) {
puts("error: unable to initialize RTC [I2C initialization error]");
return 1;
}
TESTS_START();
TESTS_RUN(tests_ds1307());
TESTS_END();
return 0;
}
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