129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*
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* Tests of functionality within extras/timekeeping
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*/
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/*-
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* Copyright (c) 2018, Jeff Kletsky
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <FreeRTOS.h>
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#include <task.h>
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#include <espressif/esp_common.h>
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#include <espressif/esp_wifi.h>
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#include <esp8266.h>
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#include <esp/uart.h>
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/* espressif/esp_system.h uses "bool" but fails to #include */
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#include <stdbool.h>
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#include <espressif/esp_system.h>
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#define BLUE_LED 2
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#define LED_ON 0
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#define LED_OFF 1
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#define WAIT_FOR_UART_SECS 5 /* 2 might be OK */
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/* For sdk_system_restart_in_nmi() */
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#include <esplibs/libmain.h>
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/* Not defined in espressif/esp_wifi.h */
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extern bool
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sdk_wifi_set_opmode_current(uint8_t opmode);
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#define TV2LD(TV) ((long double)TV.tv_sec + (long double)TV.tv_usec * 1.e-6)
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void
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testTask(void *pvParameters)
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{
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struct timeval tv;
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TickType_t base_ticks;
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TickType_t increment_ticks;
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int idx;
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long num_runs;
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int seconds_per_report;
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gpio_enable(BLUE_LED, GPIO_OUTPUT);
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gpio_write(BLUE_LED, LED_OFF);
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vTaskDelay(WAIT_FOR_UART_SECS * 1000 / portTICK_PERIOD_MS);
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gpio_write(BLUE_LED, LED_ON);
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printf("\n");
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printf("settimeofday to 1000000000\n");
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tv.tv_sec = 1000000000;
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tv.tv_usec = 0;
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settimeofday(&tv, NULL);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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printf("\n===== 4500-second (75 min) time-display run =====\n");
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printf(" 2^32 = 4294967296; ~4295 seconds\n");
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num_runs = 450;
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seconds_per_report = 10;
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increment_ticks = (seconds_per_report * 1000) / portTICK_PERIOD_MS;
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base_ticks = xTaskGetTickCount();
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for (idx = 0; idx <= num_runs; idx++) {
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gettimeofday(&tv, NULL);
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printf("%20.6Lf at %8.3lf sec elapsed; %10lu system clock\n",
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TV2LD(tv), (double)(xTaskGetTickCount() - base_ticks)/100, (long unsigned int)sdk_system_get_time());
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vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1)));
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}
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printf("\n");
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printf("All done; reboot imminent\n");
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gpio_write(BLUE_LED, LED_OFF);
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sdk_system_restart_in_nmi();
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}
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void
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user_init(void)
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{
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uart_set_baud(0, 115200);
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sdk_wifi_set_opmode_current(NULL_MODE); /* Temporarily disable */
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xTaskCreate(testTask, "testTask", 512, NULL, 2, NULL);
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}
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