mbed-os/TESTS/mbed_hal/lp_ticker/main.cpp

153 lines
4.3 KiB
C++

/* mbed Microcontroller Library
* Copyright (c) 2016 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !DEVICE_LOWPOWERTIMER
#error [NOT_SUPPORTED] Low power timer not supported for this target
#endif
#include "utest/utest.h"
#include "unity/unity.h"
#include "greentea-client/test_env.h"
#include "mbed.h"
#include "us_ticker_api.h"
#include "lp_ticker_api.h"
using namespace utest::v1;
volatile static bool complete;
static ticker_event_t delay_event;
static const ticker_data_t *lp_ticker_data = get_lp_ticker_data();
/* Timeouts are quite arbitrary due to large number of boards with varying level of accuracy */
#define LONG_TIMEOUT (100000)
#define SHORT_TIMEOUT (600)
void cb_done(uint32_t id) {
complete = true;
}
void lp_ticker_delay_us(uint32_t delay_us, uint32_t tolerance)
{
complete = false;
uint32_t delay_ts;
ticker_set_handler(lp_ticker_data, cb_done);
ticker_remove_event(lp_ticker_data, &delay_event);
delay_ts = lp_ticker_read() + delay_us;
timestamp_t start = us_ticker_read();
ticker_insert_event(lp_ticker_data, &delay_event, delay_ts, (uint32_t)&delay_event);
while (!complete);
timestamp_t end = us_ticker_read();
TEST_ASSERT_UINT32_WITHIN(tolerance, delay_us, end - start);
TEST_ASSERT_TRUE(complete);
}
#if DEVICE_SLEEP
void lp_ticker_1s_deepsleep()
{
complete = false;
uint32_t delay_ts;
ticker_set_handler(lp_ticker_data, cb_done);
ticker_remove_event(lp_ticker_data, &delay_event);
delay_ts = lp_ticker_read() + 1000000;
/*
* We use here lp_ticker_read() instead of us_ticker_read() for start and
* end because the microseconds timer might be disable during deepsleep.
*/
timestamp_t start = lp_ticker_read();
ticker_insert_event(lp_ticker_data, &delay_event, delay_ts, (uint32_t)&delay_event);
deepsleep();
while (!complete);
timestamp_t end = lp_ticker_read();
TEST_ASSERT_UINT32_WITHIN(LONG_TIMEOUT, 1000000, end - start);
TEST_ASSERT_TRUE(complete);
}
void lp_ticker_1s_sleep()
{
complete = false;
uint32_t delay_ts;
ticker_set_handler(lp_ticker_data, cb_done);
ticker_remove_event(lp_ticker_data, &delay_event);
delay_ts = lp_ticker_read() + 1000000;
timestamp_t start = us_ticker_read();
ticker_insert_event(lp_ticker_data, &delay_event, delay_ts, (uint32_t)&delay_event);
sleep();
while (!complete);
timestamp_t end = us_ticker_read();
TEST_ASSERT_UINT32_WITHIN(LONG_TIMEOUT, 1000000, end - start);
TEST_ASSERT_TRUE(complete);
}
#endif /* DEVICE_SLEEP */
void lp_ticker_500us(void)
{
lp_ticker_delay_us(500, SHORT_TIMEOUT);
}
void lp_ticker_1ms(void)
{
lp_ticker_delay_us(1000, SHORT_TIMEOUT);
}
void lp_ticker_1s(void)
{
lp_ticker_delay_us(1000000, LONG_TIMEOUT);
}
void lp_ticker_5s(void)
{
lp_ticker_delay_us(5000000, LONG_TIMEOUT);
}
status_t greentea_failure_handler(const Case *const source, const failure_t reason) {
greentea_case_failure_abort_handler(source, reason);
return STATUS_CONTINUE;
}
Case cases[] = {
Case("500us lp_ticker", lp_ticker_500us, greentea_failure_handler),
Case("1ms lp_ticker", lp_ticker_1ms, greentea_failure_handler),
Case("1s lp_ticker", lp_ticker_1s, greentea_failure_handler),
Case("5s lp_ticker", lp_ticker_5s, greentea_failure_handler),
#if DEVICE_SLEEP
Case("1s lp_ticker sleep", lp_ticker_1s_sleep, greentea_failure_handler),
Case("1s lp_ticker deepsleep", lp_ticker_1s_deepsleep, greentea_failure_handler),
#endif /* DEVICE_SLEEP */
};
status_t greentea_test_setup(const size_t number_of_cases) {
GREENTEA_SETUP(20, "default_auto");
lp_ticker_data->interface->init();
return greentea_test_setup_handler(number_of_cases);
}
Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
int main() {
Harness::run(specification);
}