kopia lustrzana https://github.com/espressif/esp-idf
123 wiersze
3.3 KiB
C++
123 wiersze
3.3 KiB
C++
// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifdef __cpp_exceptions
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#include "unity.h"
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#include "unity_cxx.hpp"
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#include <limits>
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#include <stdio.h>
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#include <iostream>
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#include "test_utils.h" // ref clock
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "esp_timer_cxx.hpp"
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#include "esp_exception.hpp"
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using namespace std;
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using namespace idf;
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using namespace idf::esp_timer;
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struct RefClock {
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RefClock()
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{
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ref_clock_init();
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};
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~RefClock()
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{
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ref_clock_deinit();
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}
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};
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TEST_CASE("ESPTimer produces correct delay", "[ESPTimer]")
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{
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int64_t t_end;
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RefClock ref_clock;
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function<void()> timer_cb = [&t_end]() {
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t_end = ref_clock_get();
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};
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ESPTimer timer(timer_cb, "timer1");
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const int delays_ms[] = {20, 100, 200, 250};
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const size_t delays_count = sizeof(delays_ms)/sizeof(delays_ms[0]);
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for (size_t i = 0; i < delays_count; ++i) {
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t_end = 0;
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int64_t t_start = ref_clock_get();
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timer.start(chrono::microseconds(delays_ms[i] * 1000));
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vTaskDelay(delays_ms[i] * 2 / portTICK_PERIOD_MS);
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TEST_ASSERT(t_end != 0);
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int32_t ms_diff = (t_end - t_start) / 1000;
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printf("%d %d\n", delays_ms[i], ms_diff);
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TEST_ASSERT_INT32_WITHIN(portTICK_PERIOD_MS, delays_ms[i], ms_diff);
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}
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}
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TEST_CASE("ESPtimer produces correct periodic delays", "[ESPTimer]")
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{
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const size_t NUM_INTERVALS = 3u;
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size_t cur_interval = 0;
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int intervals[NUM_INTERVALS];
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int64_t t_start;
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SemaphoreHandle_t done;
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const int DELAY_MS = 100;
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function<void()> timer_cb = [&]() {
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int64_t t_end = ref_clock_get();
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int32_t ms_diff = (t_end - t_start) / 1000;
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printf("timer #%d %dms\n", cur_interval, ms_diff);
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if (cur_interval < NUM_INTERVALS) {
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intervals[cur_interval++] = ms_diff;
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}
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// Deliberately make timer handler run longer.
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// We check that this doesn't affect the result.
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esp_rom_delay_us(10*1000);
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if (cur_interval == NUM_INTERVALS) {
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printf("done\n");
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xSemaphoreGive(done);
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}
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};
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ESPTimer timer(timer_cb, "timer1");
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RefClock ref_clock;
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t_start = ref_clock_get();
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done = xSemaphoreCreateBinary();
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timer.start_periodic(chrono::microseconds(DELAY_MS * 1000));
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TEST_ASSERT(xSemaphoreTake(done, DELAY_MS * NUM_INTERVALS * 2));
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timer.stop();
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TEST_ASSERT_EQUAL_UINT32(NUM_INTERVALS, cur_interval);
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for (size_t i = 0; i < NUM_INTERVALS; ++i) {
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TEST_ASSERT_INT32_WITHIN(portTICK_PERIOD_MS, (i + 1) * DELAY_MS, intervals[i]);
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}
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TEST_ESP_OK(esp_timer_dump(stdout));
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vSemaphoreDelete(done);
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#undef NUM_INTERVALS
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}
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#endif // __cpp_exceptions
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