mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-31 13:09:38 +00:00
76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Unlicense OR CC0-1.0
|
|
*/
|
|
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "unity.h"
|
|
#include "driver/gpio.h"
|
|
|
|
|
|
/**
|
|
* NOTE: To run this special feature test case, a slope analog signal is needed.
|
|
* A simple RC circuit used here to formate pin switches to continuos slop signal.
|
|
*
|
|
* +---------+
|
|
* | |
|
|
* | (intr)26|----------------+ C:1000uF
|
|
* | | | ++ +
|
|
* | (wave)27|______+-----+___+___|| |_____
|
|
* | | +-----+ || | |
|
|
* | ESP32 | R:10k ++ + |
|
|
* | | |
|
|
* | GND|------------------------------+
|
|
* +---------+
|
|
*
|
|
* or you can connect your slop signals from signal generator to ESP32 pin
|
|
* which enabled the hysteresis feature directly to have a test.
|
|
**/
|
|
|
|
|
|
static void test_gpio_hysteresis_intr_handler(void *args)
|
|
{
|
|
esp_rom_printf("%d\n", ++*((uint32_t *)args));
|
|
}
|
|
|
|
// This case is now tested only manually
|
|
TEST_CASE("GPIO Input hysteresis filter", "[gpio_filter][timeout=50][ignore]")
|
|
{
|
|
const gpio_num_t TEST_HYS_IO = 26;
|
|
const gpio_num_t TEST_WAVE_IO = 27;
|
|
uint32_t intr_cnt=0;
|
|
|
|
gpio_config_t gpio_cfg = {
|
|
.pin_bit_mask = 1 << TEST_WAVE_IO,
|
|
.mode = GPIO_MODE_OUTPUT,
|
|
.pull_down_en = GPIO_PULLDOWN_ENABLE,
|
|
};
|
|
TEST_ESP_OK(gpio_config(&gpio_cfg));
|
|
|
|
gpio_cfg.pin_bit_mask = 1 << TEST_HYS_IO;
|
|
gpio_cfg.mode = GPIO_MODE_INPUT;
|
|
gpio_cfg.intr_type = GPIO_INTR_ANYEDGE;
|
|
gpio_cfg.hys_ctrl_mode = GPIO_HYS_SOFT_ENABLE;
|
|
TEST_ESP_OK(gpio_config(&gpio_cfg));
|
|
|
|
gpio_install_isr_service(0);
|
|
gpio_isr_handler_add(TEST_HYS_IO, test_gpio_hysteresis_intr_handler, &intr_cnt);
|
|
|
|
// generate 5 rising and falling slopes to test gpio interrupt
|
|
for (uint8_t i=0; i<5; i++) {
|
|
printf("----falling %dth\n", i);
|
|
gpio_set_level(TEST_WAVE_IO, 0);
|
|
vTaskDelay(1500);
|
|
printf("----rising %dth\n", i);
|
|
gpio_set_level(TEST_WAVE_IO, 1);
|
|
vTaskDelay(1500);
|
|
}
|
|
|
|
gpio_isr_handler_remove(TEST_HYS_IO);
|
|
gpio_uninstall_isr_service();
|
|
// should shot ISR exactly 10 times
|
|
TEST_ASSERT_UINT32_WITHIN(1, 10, intr_cnt);
|
|
}
|