kopia lustrzana https://github.com/espressif/esp-idf
42 wiersze
1.1 KiB
C
42 wiersze
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include "sdkconfig.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "esp_attr.h"
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#include "test_pulse_cnt_board.h"
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// helper function to simulate several rising edges on gpio
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IRAM_ATTR void test_gpio_simulate_rising_edge(int gpio_sig, size_t times)
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{
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while (times--) {
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gpio_set_level(gpio_sig, 0);
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gpio_set_level(gpio_sig, 1);
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}
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}
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// helper function to simulate several groups of quadrature signals
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IRAM_ATTR void test_gpio_simulate_quadrature_signals(int gpio_sig_a, int gpio_sig_b, size_t times)
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{
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while (times--) {
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gpio_set_level(gpio_sig_a, 1);
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gpio_set_level(gpio_sig_b, 0);
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vTaskDelay(1);
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gpio_set_level(gpio_sig_a, 0);
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gpio_set_level(gpio_sig_b, 0);
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vTaskDelay(1);
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gpio_set_level(gpio_sig_a, 0);
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gpio_set_level(gpio_sig_b, 1);
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vTaskDelay(1);
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gpio_set_level(gpio_sig_a, 1);
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gpio_set_level(gpio_sig_b, 1);
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vTaskDelay(1);
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}
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}
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