/* * Tests of functionality within extras/timekeeping */ /*- * Copyright (c) 2018, Jeff Kletsky * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * * Neither the name of the copyright holder nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include /* espressif/esp_system.h uses "bool" but fails to #include */ #include #include #include #include /* Not defined in espressif/esp_wifi.h */ extern bool sdk_wifi_set_opmode_current(uint8_t opmode); /* For sdk_system_restart_in_nmi() */ #include #include #include #define BLUE_LED 2 #define LED_ON 0 #define LED_OFF 1 #define WAIT_FOR_UART_SECS 5 /* 2 might be OK */ #define TV2LD(TV) ((long double)TV.tv_sec + (long double)TV.tv_usec * 1.e-6) void testTask(void *pvParameters) { struct timeval tv; long num_runs; long idx; TickType_t base_ticks; TickType_t increment_ticks; int seconds_per_report; struct timeval delta; struct timeval olddelta; gpio_enable(BLUE_LED, GPIO_OUTPUT); gpio_write(BLUE_LED, LED_OFF); vTaskDelay(WAIT_FOR_UART_SECS * 1000 / portTICK_PERIOD_MS); gpio_write(BLUE_LED, LED_ON); printf("\n"); printf("settimeofday to 1000000000\n"); tv.tv_sec = 1000000000; tv.tv_usec = 0; settimeofday(&tv, NULL); printf("\n===== time-display runs =====\n"); num_runs = 10; seconds_per_report = 1; increment_ticks = (seconds_per_report * 1000) / portTICK_PERIOD_MS; base_ticks = xTaskGetTickCount(); for (idx = 0; idx <= num_runs; idx++) { gettimeofday(&tv, NULL); printf("%20.6Lf at %ld ticks\n", TV2LD(tv), (long)(xTaskGetTickCount() - base_ticks)); vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1))); } num_runs = 15; seconds_per_report = 1; increment_ticks = (seconds_per_report * 1000) / portTICK_PERIOD_MS; delta.tv_sec = 0; delta.tv_usec = 5000; /* 5 ms -- should take 10 seconds */ printf("\n"); printf("with +5 ms slew requested\n"); adjtime(&delta, NULL); base_ticks = xTaskGetTickCount(); for (idx = 0; idx <= num_runs; idx++) { gettimeofday(&tv, NULL); adjtime(NULL, &olddelta); printf("%20.6Lf at %ld ticks; %0.6Lf olddelta\n", TV2LD(tv), (long)(xTaskGetTickCount() - base_ticks), TV2LD(olddelta)); vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1))); } delta.tv_sec = 0; delta.tv_usec = -5000; /* -5 ms -- should take 10 seconds */ printf("\n"); printf("with -5 ms slew requested\n"); adjtime(&delta, NULL); base_ticks = xTaskGetTickCount(); for (idx = 0; idx <= num_runs; idx++) { gettimeofday(&tv, NULL); adjtime(NULL, &olddelta); printf("%20.6Lf at %ld ticks; %0.6Lf olddelta\n", TV2LD(tv), (long)(xTaskGetTickCount() - base_ticks), TV2LD(olddelta)); vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1))); } num_runs = 15; seconds_per_report = 20; increment_ticks = (seconds_per_report * 1000) / portTICK_PERIOD_MS; delta.tv_sec = 0; delta.tv_usec = 130 * 1000; /* 130 ms -- 128 ms needed for NTP */ printf("\n"); printf("with 130 ms slew requested (20-s reporting period)\n"); adjtime(&delta, NULL); base_ticks = xTaskGetTickCount(); for (idx = 0; idx <= num_runs; idx++) { gettimeofday(&tv, NULL); adjtime(NULL, &olddelta); printf("%20.6Lf at %ld ticks; %0.6Lf olddelta\n", TV2LD(tv), (long)(xTaskGetTickCount() - base_ticks), TV2LD(olddelta)); vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1))); } delta.tv_sec = 0; delta.tv_usec = -130 * 1000; /* -130 ms -- 128 ms needed for NTP */ printf("\n"); printf("with -130 ms slew requested\n"); adjtime(&delta, NULL); base_ticks = xTaskGetTickCount(); for (idx = 0; idx <= num_runs; idx++) { gettimeofday(&tv, NULL); adjtime(NULL, &olddelta); printf("%20.6Lf at %ld ticks; %0.6Lf olddelta\n", TV2LD(tv), (long)(xTaskGetTickCount() - base_ticks), TV2LD(olddelta)); vTaskDelay((base_ticks - xTaskGetTickCount()) + (increment_ticks * (idx + 1))); } printf("\n"); printf("All done; reboot imminent\n"); gpio_write(BLUE_LED, LED_OFF); sdk_system_restart_in_nmi(); } void user_init(void) { uart_set_baud(0, 115200); sdk_wifi_set_opmode_current(NULL_MODE); /* Temporarily disable */ xTaskCreate(testTask, "testTask", 512, NULL, 2, NULL); }