mbed-os/TESTS/mbed_drivers/timeout/main.cpp

68 lines
1.8 KiB
C++

/*
* Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* 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.
*/
#include "mbed.h"
#include "greentea-client/test_env.h"
#include "utest/utest.h"
using namespace utest::v1;
Timeout timeout;
DigitalOut led(LED1);
volatile int ticker_count = 0;
volatile bool print_tick = false;
static const int total_ticks = 10;
const int ONE_SECOND_US = 1000000;
void send_kv_tick() {
if (ticker_count <= total_ticks) {
timeout.attach_us(send_kv_tick, ONE_SECOND_US);
print_tick = true;
}
}
void wait_and_print() {
while(ticker_count <= total_ticks) {
if (print_tick) {
print_tick = false;
greentea_send_kv("tick", ticker_count++);
led = !led;
}
}
}
void test_case_ticker() {
timeout.attach_us(send_kv_tick, ONE_SECOND_US);
wait_and_print();
}
// Test cases
Case cases[] = {
Case("Timers: toggle on/off", test_case_ticker),
};
utest::v1::status_t greentea_test_setup(const size_t number_of_cases) {
GREENTEA_SETUP(total_ticks + 5, "timing_drift_auto");
return greentea_test_setup_handler(number_of_cases);
}
Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
int main() {
Harness::run(specification);
}