main.cpp

00001 /*
00002  * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00006  * not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  * http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00013  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 #include "mbed.h"
00018 #include "greentea-client/test_env.h"
00019 #include "utest/utest.h"
00020 
00021 using namespace utest::v1;
00022 
00023 Timeout timeout;
00024 DigitalOut led(LED1);
00025 volatile int ticker_count = 0;
00026 volatile bool print_tick = false;
00027 static const int total_ticks = 10;
00028 const int ONE_SECOND_US = 1000000;
00029 
00030 void send_kv_tick() {
00031     if (ticker_count <= total_ticks) {
00032         timeout.attach_us(send_kv_tick, ONE_SECOND_US);
00033         print_tick = true;
00034     }
00035 }
00036 
00037 void wait_and_print() {
00038     while(ticker_count <= total_ticks) {
00039         if (print_tick) {
00040             print_tick = false;
00041             greentea_send_kv("tick", ticker_count++);
00042             led = !led;
00043         }
00044     }
00045 }
00046 
00047 void test_case_ticker() {
00048     timeout.attach_us(send_kv_tick, ONE_SECOND_US);
00049     wait_and_print();
00050 }
00051 
00052 // Test cases
00053 Case cases[] = {
00054     Case("Timers: toggle on/off", test_case_ticker),
00055 };
00056 
00057 utest::v1::status_t  greentea_test_setup(const size_t number_of_cases) {
00058     GREENTEA_SETUP(total_ticks + 5, "timing_drift_auto");
00059     return greentea_test_setup_handler(number_of_cases);
00060 }
00061 
00062 Specification specification(greentea_test_setup, cases, greentea_test_teardown_handler);
00063 
00064 int main() {
00065     Harness::run(specification);
00066 }
00067