esp-idf/components/driver/test/test_gpio.c

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/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
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/**
* About test environment UT_T1_GPIO:
* Please connect GPIO18 and GPIO19
*/
#include <stdio.h>
#include <string.h>
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#include "esp_system.h"
#include "esp_sleep.h"
#include "unity.h"
#include "driver/gpio.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
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#include "sdkconfig.h"
#include "esp_rom_uart.h"
#include "esp_rom_sys.h"
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#define WAKE_UP_IGNORE 1 // gpio_wakeup function development is not completed yet, set it deprecated.
#if CONFIG_IDF_TARGET_ESP32
#define TEST_GPIO_EXT_OUT_IO 18 // default output GPIO
#define TEST_GPIO_EXT_IN_IO 19 // default input GPIO
#define TEST_GPIO_OUTPUT_PIN 23
#define TEST_GPIO_INPUT_ONLY_PIN 34
#define TEST_GPIO_OUTPUT_MAX GPIO_NUM_34
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#elif CONFIG_IDF_TARGET_ESP32S2
// ESP32_S2 DEVKIC uses IO19 and IO20 as USB functions, so it is necessary to avoid using IO19, otherwise GPIO io pull up/down function cannot pass
// Also the first version of ESP32-S2-Saola has pullup issue on GPIO18, which is tied to 3V3 on the
// runner. Also avoid using GPIO18.
#define TEST_GPIO_EXT_OUT_IO 17 // default output GPIO
#define TEST_GPIO_EXT_IN_IO 21 // default input GPIO
#define TEST_GPIO_OUTPUT_PIN 12
#define TEST_GPIO_INPUT_ONLY_PIN 46
#define TEST_GPIO_OUTPUT_MAX GPIO_NUM_46
#elif CONFIG_IDF_TARGET_ESP32S3
#define TEST_GPIO_EXT_OUT_IO 19 // default output GPIO
#define TEST_GPIO_EXT_IN_IO 20 // default input GPIO
#define TEST_GPIO_OUTPUT_PIN 12
#define TEST_GPIO_INPUT_ONLY_PIN 46
#define TEST_GPIO_OUTPUT_MAX GPIO_NUM_MAX
#elif CONFIG_IDF_TARGET_ESP32C3
#define TEST_GPIO_EXT_OUT_IO 2 // default output GPIO
#define TEST_GPIO_EXT_IN_IO 3 // default input GPIO
#define TEST_GPIO_OUTPUT_PIN 1
#define TEST_GPIO_OUTPUT_MAX GPIO_NUM_21
#endif
// define public test io on all boards(esp32, esp32s2, esp32s3, esp32c3)
#define TEST_IO_9 GPIO_NUM_9
#define TEST_IO_10 GPIO_NUM_10
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static volatile int disable_intr_times = 0; // use this to calculate how many times it go into interrupt
static volatile int level_intr_times = 0; // use this to get how many times the level interrupt happened
static volatile int edge_intr_times = 0; // use this to get how many times the edge interrupt happened
#if !WAKE_UP_IGNORE
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static bool wake_up_result = false; // use this to judge the wake up event happen or not
#endif
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/**
* do some initialization operation in this function
* @param num: it is the destination GPIO wanted to be initialized
*
*/
static gpio_config_t init_io(gpio_num_t num)
{
TEST_ASSERT(num < TEST_GPIO_OUTPUT_MAX);
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gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
io_conf.pin_bit_mask = (1ULL << num);
io_conf.pull_down_en = 0;
io_conf.pull_up_en = 0;
return io_conf;
}
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
//No runners
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// edge interrupt event
static void gpio_isr_edge_handler(void* arg)
{
uint32_t gpio_num = (uint32_t) arg;
esp_rom_printf("GPIO[%d] intr, val: %d\n", gpio_num, gpio_get_level(gpio_num));
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edge_intr_times++;
}
// level interrupt event with "gpio_intr_disable"
static void gpio_isr_level_handler(void* arg)
{
uint32_t gpio_num = (uint32_t) arg;
disable_intr_times++;
esp_rom_printf("GPIO[%d] intr, val: %d, disable_intr_times = %d\n", gpio_num, gpio_get_level(gpio_num), disable_intr_times);
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gpio_intr_disable(gpio_num);
}
// level interrupt event
static void gpio_isr_level_handler2(void* arg)
{
uint32_t gpio_num = (uint32_t) arg;
level_intr_times++;
esp_rom_printf("GPIO[%d] intr, val: %d\n", gpio_num, gpio_get_level(gpio_num));
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if(gpio_get_level(gpio_num)) {
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
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}else{
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
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}
esp_rom_printf("GPIO[%d] intr, val: %d, level_intr_times = %d\n", TEST_GPIO_EXT_OUT_IO, gpio_get_level(TEST_GPIO_EXT_OUT_IO), level_intr_times);
esp_rom_printf("GPIO[%d] intr, val: %d, level_intr_times = %d\n", gpio_num, gpio_get_level(gpio_num), level_intr_times);
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}
#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
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#if !WAKE_UP_IGNORE
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// get result of waking up or not
static void sleep_wake_up(void *arg)
{
gpio_config_t io_config = init_io(TEST_GPIO_EXT_IN_IO);
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io_config.mode = GPIO_MODE_INPUT;
gpio_config(&io_config);
TEST_ESP_OK(gpio_wakeup_enable(TEST_GPIO_EXT_IN_IO, GPIO_INTR_HIGH_LEVEL));
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esp_light_sleep_start();
wake_up_result = true;
}
// wake up light sleep event
static void trigger_wake_up(void *arg)
{
gpio_config_t io_config = init_io(TEST_GPIO_EXT_OUT_IO);
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gpio_config(&io_config);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
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gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_OUT_IO, gpio_isr_level_handler, (void*) TEST_GPIO_EXT_IN_IO);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
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vTaskDelay(100 / portTICK_RATE_MS);
}
#endif //!WAKE_UP_IGNORE
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static void prompt_to_continue(const char* str)
{
printf("%s , please press \"Enter\" to go on!\n", str);
char sign[5] = {0};
while(strlen(sign) == 0) {
/* Flush anything already in the RX buffer */
while(esp_rom_uart_rx_one_char((uint8_t *) sign) == ETS_OK) {
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}
/* Read line */
esp_rom_uart_rx_string((uint8_t*) sign, sizeof(sign) - 1);
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}
}
static void drive_capability_set_get(gpio_num_t num, gpio_drive_cap_t capability)
{
gpio_config_t pad_io = init_io(num);
TEST_ESP_OK(gpio_config(&pad_io));
TEST_ASSERT(gpio_set_drive_capability(num, GPIO_DRIVE_CAP_MAX) == ESP_ERR_INVALID_ARG);
gpio_drive_cap_t cap;
TEST_ESP_OK(gpio_set_drive_capability(num, capability));
TEST_ESP_OK(gpio_get_drive_capability(num, &cap));
TEST_ASSERT_EQUAL_INT(cap, capability);
}
// test the basic configuration function with right parameters and error parameters
TEST_CASE("GPIO config parameters test", "[gpio]")
{
//error param test
//ESP32 test 41 bit, ESP32-S2 test 48 bit, ESP32-S3 test 49 bit
gpio_config_t io_config = { 0 };
io_config.intr_type = GPIO_INTR_DISABLE;
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io_config.pin_bit_mask = ((uint64_t)1<<(GPIO_NUM_MAX+1));
TEST_ASSERT(gpio_config(&io_config) == ESP_ERR_INVALID_ARG);
// test 0
io_config.pin_bit_mask = 0;
TEST_ASSERT(gpio_config(&io_config) == ESP_ERR_INVALID_ARG);
//ESP32 test 40 bit, ESP32-S2 test 47 bit, ESP32-S3 test 48 bit
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io_config.pin_bit_mask = ((uint64_t)1<<GPIO_NUM_MAX);
TEST_ASSERT(gpio_config(&io_config) == ESP_ERR_INVALID_ARG);
io_config.pin_bit_mask = ((uint64_t)1<<TEST_GPIO_OUTPUT_PIN);
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TEST_ESP_OK(gpio_config(&io_config));
//This IO is just used for input, C3 doesn't have input only pin.
#if !CONFIG_IDF_TARGET_ESP32C3
io_config.pin_bit_mask = ((uint64_t)1 << TEST_GPIO_INPUT_ONLY_PIN);
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io_config.mode = GPIO_MODE_INPUT;
TEST_ESP_OK(gpio_config(&io_config));
io_config.mode = GPIO_MODE_OUTPUT;
// The pin is input only, once set as output should log something
TEST_ASSERT(gpio_config(&io_config) == ESP_ERR_INVALID_ARG);
#endif //!CONFIG_IDF_TARGET_ESP32C3
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}
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
//No runners
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TEST_CASE("GPIO rising edge interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
edge_intr_times = 0; // set it as 0 prepare to test
//init input and output gpio
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
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//rising edge intr
TEST_ESP_OK(gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_POSEDGE));
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TEST_ESP_OK(gpio_install_isr_service(0));
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_edge_handler, (void*)TEST_GPIO_EXT_IN_IO);
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1));
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TEST_ASSERT_EQUAL_INT(edge_intr_times, 1);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
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gpio_uninstall_isr_service();
}
TEST_CASE("GPIO falling edge interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
edge_intr_times = 0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1));
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gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_NEGEDGE);
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gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_edge_handler, (void*) TEST_GPIO_EXT_IN_IO);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT(edge_intr_times, 1);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
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gpio_uninstall_isr_service();
}
TEST_CASE("GPIO both rising and falling edge interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
edge_intr_times = 0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
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int level = 0;
gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_ANYEDGE);
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gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_edge_handler, (void*) TEST_GPIO_EXT_IN_IO);
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// for rising edge in GPIO_INTR_ANYEDGE
while(1) {
level = level + 1;
gpio_set_level(TEST_GPIO_EXT_OUT_IO, level*0.2);
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if(level > 10) {
break;
}
vTaskDelay(100 / portTICK_RATE_MS);
}
vTaskDelay(100 / portTICK_RATE_MS);
// for falling rdge in GPIO_INTR_ANYEDGE
while(1) {
level = level - 1;
gpio_set_level(TEST_GPIO_EXT_OUT_IO, level/5);
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if(level < 0) {
break;
}
vTaskDelay(100 / portTICK_RATE_MS);
}
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT(edge_intr_times, 2);
vTaskDelay(100 / portTICK_RATE_MS);
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
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gpio_uninstall_isr_service();
}
TEST_CASE("GPIO input high level trigger, cut the interrupt source exit interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
level_intr_times=0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
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gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_HIGH_LEVEL);
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gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_level_handler2, (void*) TEST_GPIO_EXT_IN_IO);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(level_intr_times, 1, "go into high-level interrupt more than once with cur interrupt source way");
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
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gpio_uninstall_isr_service();
}
TEST_CASE("GPIO low level interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
disable_intr_times=0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1));
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gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_LOW_LEVEL);
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gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_level_handler, (void*) TEST_GPIO_EXT_IN_IO);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
printf("get level:%d\n",gpio_get_level(TEST_GPIO_EXT_IN_IO));
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(disable_intr_times, 1, "go into low-level interrupt more than once with disable way");
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
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gpio_uninstall_isr_service();
}
TEST_CASE("GPIO multi-level interrupt test, to cut the interrupt source exit interrupt ", "[gpio][test_env=UT_T1_GPIO]")
{
level_intr_times=0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_HIGH_LEVEL);
gpio_install_isr_service(0);
gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_level_handler2, (void*) TEST_GPIO_EXT_IN_IO);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(level_intr_times, 1, "go into high-level interrupt more than once with cur interrupt source way");
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
vTaskDelay(200 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(level_intr_times, 2, "go into high-level interrupt more than once with cur interrupt source way");
gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO);
gpio_uninstall_isr_service();
}
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TEST_CASE("GPIO enable and disable interrupt test", "[gpio][test_env=UT_T1_GPIO]")
{
disable_intr_times = 0;
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0)); // Because of GPIO_INTR_HIGH_LEVEL interrupt, 0 must be set first
TEST_ESP_OK(gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_HIGH_LEVEL));
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TEST_ESP_OK(gpio_install_isr_service(0));
TEST_ESP_OK(gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_level_handler, (void*) TEST_GPIO_EXT_IN_IO));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1));
TEST_ESP_OK(gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
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TEST_ASSERT_EQUAL_INT_MESSAGE(disable_intr_times, 1, "go into high-level interrupt more than once with disable way");
// not install service now
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_intr_disable(TEST_GPIO_EXT_IN_IO));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1));
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TEST_ASSERT_EQUAL_INT_MESSAGE(disable_intr_times, 1, "disable interrupt does not work, still go into interrupt!");
gpio_uninstall_isr_service(); //uninstall the service
TEST_ASSERT(gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_level_handler, (void*) TEST_GPIO_EXT_IN_IO) == ESP_ERR_INVALID_STATE);
TEST_ASSERT(gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO) == ESP_ERR_INVALID_STATE);
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}
#endif //DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
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// ESP32 Connect GPIO18 with GPIO19, ESP32-S2 Connect GPIO17 with GPIO21,
// ESP32-S3 Connect GPIO19 with GPIO20, ESP32C3 Connect GPIO2 with GPIO3
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// use multimeter to test the voltage, so it is ignored in CI
TEST_CASE("GPIO set gpio output level test", "[gpio][ignore]")
{
gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_DISABLE;
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io_conf.mode = GPIO_MODE_OUTPUT;
io_conf.pin_bit_mask = ((uint64_t)1<<TEST_GPIO_EXT_OUT_IO);
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io_conf.pull_down_en = 0;
io_conf.pull_up_en = 0;
gpio_config(&io_conf);
io_conf.pin_bit_mask = ((uint64_t)1<<TEST_GPIO_EXT_IN_IO);
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io_conf.mode = GPIO_MODE_INPUT;
gpio_config(&io_conf);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
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// tested voltage is around 0v
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "get level error! the level should be low!");
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vTaskDelay(1000 / portTICK_RATE_MS);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
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// tested voltage is around 3.3v
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 1, "get level error! the level should be high!");
//This IO is just used for input, C3 doesn't have input only pin.
#if !CONFIG_IDF_TARGET_ESP32C3
io_conf.pin_bit_mask = ((uint64_t)1<<TEST_GPIO_INPUT_ONLY_PIN);
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io_conf.mode = GPIO_MODE_OUTPUT;
gpio_config(&io_conf);
TEST_ASSERT(gpio_config(&io_conf) == ESP_ERR_INVALID_ARG);
#endif //!CONFIG_IDF_TARGET_ESP32C3
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}
// gpio17 connects to 3.3v pin, gpio19 connects to the GND pin
// use multimeter to test the voltage, so it is ignored in CI
TEST_CASE("GPIO get input level test", "[gpio][ignore]")
{
gpio_num_t num = 17;
int level = gpio_get_level(num);
printf("gpio17's level is: %d\n", level);
TEST_ASSERT_EQUAL_INT_MESSAGE(level, 1, "get level error! the level should be high!");
gpio_num_t num2 = 19;
int level2 = gpio_get_level(num2);
printf("gpio19's level is: %d\n", level2);
TEST_ASSERT_EQUAL_INT_MESSAGE(level2, 0, "get level error! the level should be low!");
printf("the memory get: %d\n", esp_get_free_heap_size());
//when case finish, get the result from multimeter, the pin17 is 3.3v, the pin19 is 0.00v
}
TEST_CASE("GPIO io pull up/down function", "[gpio]")
{
// First, ensure that the output IO will not affect the level
gpio_config_t io_conf = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config(&io_conf);
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT);
io_conf = init_io(TEST_GPIO_EXT_IN_IO);
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gpio_config(&io_conf);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_INPUT);
TEST_ESP_OK(gpio_pullup_en(TEST_GPIO_EXT_IN_IO)); // pull up first
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 1, "gpio_pullup_en error, it can't pull up");
TEST_ESP_OK(gpio_pulldown_dis(TEST_GPIO_EXT_IN_IO)); //can't be pull down
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 1, "gpio_pulldown_dis error, it can pull down");
TEST_ESP_OK(gpio_pulldown_en(TEST_GPIO_EXT_IN_IO)); // can be pull down now
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "gpio_pulldown_en error, it can't pull down");
TEST_ESP_OK(gpio_pullup_dis(TEST_GPIO_EXT_IN_IO)); // can't be pull up
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "gpio_pullup_dis error, it can pull up");
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}
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
//No runners
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TEST_CASE("GPIO output and input mode test", "[gpio][test_env=UT_T1_GPIO]")
{
//ESP32 connect io18 and io19, ESP32-S2 connect io17 and io21, ESP32-S3 connect io19 and io20, ESP32C3 Connect GPIO2 with GPIO3
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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gpio_config(&output_io);
gpio_config(&input_io);
int level = gpio_get_level(TEST_GPIO_EXT_IN_IO);
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//disable mode
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_DISABLE);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_OUTPUT);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, !level);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), level, "direction GPIO_MODE_DISABLE set error, it can output");
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//input mode and output mode
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_INPUT);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 1, "direction GPIO_MODE_OUTPUT set error, it can't output");
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "direction GPIO_MODE_OUTPUT set error, it can't output");
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// open drain mode(output), can just output low level
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT_OD);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_INPUT);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "direction GPIO_MODE_OUTPUT set error, it can't output");
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "direction GPIO_MODE_OUTPUT set error, it can't output");
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// open drain mode(output and input), can just output low level
// output test
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT_OD);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_INPUT);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "direction GPIO_MODE_OUTPUT set error, it can't output");
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), 0, "direction GPIO_MODE_OUTPUT set error, it can't output");
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// GPIO_MODE_INPUT_OUTPUT mode
// output test
level = gpio_get_level(TEST_GPIO_EXT_IN_IO);
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT);
gpio_set_direction(TEST_GPIO_EXT_IN_IO, GPIO_MODE_INPUT);
gpio_set_level(TEST_GPIO_EXT_OUT_IO, !level);
TEST_ASSERT_EQUAL_INT_MESSAGE(gpio_get_level(TEST_GPIO_EXT_IN_IO), !level, "direction set error, it can't output");
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}
TEST_CASE("GPIO repeate call service and isr has no memory leak test","[gpio][test_env=UT_T1_GPIO][timeout=90]")
{
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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input_io.intr_type = GPIO_INTR_POSEDGE;
input_io.mode = GPIO_MODE_INPUT;
input_io.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&output_io));
TEST_ESP_OK(gpio_config(&input_io));
TEST_ESP_OK(gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0));
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//rising edge
uint32_t size = esp_get_free_heap_size();
for(int i=0;i<1000;i++) {
TEST_ESP_OK(gpio_set_intr_type(TEST_GPIO_EXT_IN_IO, GPIO_INTR_POSEDGE));
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TEST_ESP_OK(gpio_install_isr_service(0));
TEST_ESP_OK(gpio_isr_handler_add(TEST_GPIO_EXT_IN_IO, gpio_isr_edge_handler, (void*)TEST_GPIO_EXT_IN_IO));
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
TEST_ESP_OK(gpio_isr_handler_remove(TEST_GPIO_EXT_IN_IO));
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 0);
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gpio_uninstall_isr_service();
}
TEST_ASSERT_INT32_WITHIN(size, esp_get_free_heap_size(), 100);
}
#endif //DISABLED_FOR_TARGETS(ESP32S2, ESP32S3, ESP32C3)
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#if !WAKE_UP_IGNORE
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//this function development is not completed yet, set it ignored
TEST_CASE("GPIO wake up enable and disenable test", "[gpio][ignore]")
{
xTaskCreate(sleep_wake_up, "sleep_wake_up", 4096, NULL, 5, NULL);
xTaskCreate(trigger_wake_up, "trigger_wake_up", 4096, NULL, 5, NULL);
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_TRUE(wake_up_result);
wake_up_result = false;
TEST_ESP_OK(gpio_wakeup_disable(TEST_GPIO_EXT_IN_IO));
gpio_set_level(TEST_GPIO_EXT_OUT_IO, 1);
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vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT_FALSE(wake_up_result);
}
#endif // !WAKE_UP_IGNORE
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// this case need the resistance to pull up the voltage or pull down the voltage
// ignored because the voltage needs to be tested with multimeter
TEST_CASE("GPIO verify only the gpio with input ability can be set pull/down", "[gpio][ignore]")
{
gpio_config_t output_io = init_io(TEST_GPIO_EXT_OUT_IO);
gpio_config_t input_io = init_io(TEST_GPIO_EXT_IN_IO);
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gpio_config(&output_io);
input_io.mode = GPIO_MODE_INPUT;
gpio_config(&input_io);
printf("pull up test!\n");
// pull up test
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY));
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prompt_to_continue("mode: GPIO_MODE_OUTPUT");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT_OD);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY));
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// open drain just can output low level
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT_OD);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY));
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prompt_to_continue("mode: GPIO_MODE_OUTPUT_OD");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY));
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prompt_to_continue("mode: GPIO_MODE_INPUT_OUTPUT");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLUP_ONLY));
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prompt_to_continue("mode: GPIO_MODE_INPUT");
// after pull up the level is high now
// pull down test
printf("pull down test!\n");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY));
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prompt_to_continue("mode: GPIO_MODE_OUTPUT");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_OUTPUT_OD);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY));
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prompt_to_continue("mode: GPIO_MODE_OUTPUT_OD");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT_OD);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY));
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prompt_to_continue("mode: GPIO_MODE_INPUT_OUTPUT_OD");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT_OUTPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY));
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prompt_to_continue("mode: GPIO_MODE_INPUT_OUTPUT");
gpio_set_direction(TEST_GPIO_EXT_OUT_IO, GPIO_MODE_INPUT);
TEST_ESP_OK(gpio_set_pull_mode(TEST_GPIO_EXT_OUT_IO, GPIO_PULLDOWN_ONLY));
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prompt_to_continue("mode: GPIO_MODE_INPUT");
}
/**
* There are 5 situation for the GPIO drive capability:
* 1. GPIO drive weak capability test
* 2. GPIO drive stronger capability test
* 3. GPIO drive default capability test
* 4. GPIO drive default capability test2
* 5. GPIO drive strongest capability test
*
* How to test:
* when testing, use the sliding resistor and a multimeter
* adjust the resistor from low to high, 0-10k
* watch the current change
* the current test result:
* weak capability: (0.32-10.1)mA
* stronger capability: (0.32-20.0)mA
* default capability: (0.33-39.8)mA
* default capability2: (0.33-39.9)mA
* strongest capability: (0.33-64.2)mA
*
* the data shows:
* weak capability<stronger capability<default capability=default capability2<strongest capability
*
* all of these cases should be ignored that it will not run in CI
*/
// drive capability test
TEST_CASE("GPIO drive capability test", "[gpio][ignore]")
{
printf("weak capability test! please view the current change!\n");
drive_capability_set_get(TEST_GPIO_EXT_OUT_IO, GPIO_DRIVE_CAP_0);
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prompt_to_continue("If this test finishes");
printf("stronger capability test! please view the current change!\n");
drive_capability_set_get(TEST_GPIO_EXT_OUT_IO, GPIO_DRIVE_CAP_1);
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prompt_to_continue("If this test finishes");
printf("default capability test! please view the current change!\n");
drive_capability_set_get(TEST_GPIO_EXT_OUT_IO, GPIO_DRIVE_CAP_2);
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prompt_to_continue("If this test finishes");
printf("default capability2 test! please view the current change!\n");
drive_capability_set_get(TEST_GPIO_EXT_OUT_IO, GPIO_DRIVE_CAP_DEFAULT);
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prompt_to_continue("If this test finishes");
printf("strongest capability test! please view the current change!\n");
drive_capability_set_get(TEST_GPIO_EXT_OUT_IO, GPIO_DRIVE_CAP_3);
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prompt_to_continue("If this test finishes");
}
#if !CONFIG_FREERTOS_UNICORE
#if !TEMPORARY_DISABLED_FOR_TARGETS(ESP32S3)
void gpio_enable_task(void *param)
{
int gpio_num = (int)param;
TEST_ESP_OK(gpio_intr_enable(gpio_num));
vTaskDelete(NULL);
}
/** Test the GPIO Interrupt Enable API with dual core enabled. The GPIO ISR service routine is registered on one core.
* When the GPIO interrupt on another core is enabled, the GPIO interrupt will be lost.
* First on the core 0, Do the following steps:
* 1. Configure the GPIO9 input_output mode, and enable the rising edge interrupt mode.
* 2. Trigger the GPIO9 interrupt and check if the interrupt responds correctly.
* 3. Disable the GPIO9 interrupt
* Then on the core 1, Do the following steps:
* 1. Enable the GPIO9 interrupt again.
* 2. Trigger the GPIO9 interrupt and check if the interrupt responds correctly.
*
*/
TEST_CASE("GPIO Enable/Disable interrupt on multiple cores", "[gpio][ignore]")
{
gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_NEGEDGE;
io_conf.mode = GPIO_MODE_INPUT_OUTPUT;
io_conf.pin_bit_mask = (1ULL << TEST_IO_9);
io_conf.pull_down_en = 0;
io_conf.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&io_conf));
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 0));
TEST_ESP_OK(gpio_install_isr_service(0));
TEST_ESP_OK(gpio_isr_handler_add(TEST_IO_9, gpio_isr_edge_handler, (void*) TEST_IO_9));
vTaskDelay(1000 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 1));
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 0));
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_intr_disable(TEST_IO_9));
TEST_ASSERT(edge_intr_times == 1);
xTaskCreatePinnedToCore(gpio_enable_task, "gpio_enable_task", 1024*4, (void*)TEST_IO_9, 8, NULL, (xPortGetCoreID() == 0));
vTaskDelay(1000 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 1));
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 0));
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_intr_disable(TEST_IO_9));
TEST_ESP_OK(gpio_isr_handler_remove(TEST_IO_9));
gpio_uninstall_isr_service();
TEST_ASSERT(edge_intr_times == 2);
}
#endif //!TEMPORARY_DISABLED_FOR_TARGETS(ESP32S3)
#endif //!CONFIG_FREERTOS_UNICORE
typedef struct {
int gpio_num;
int isr_cnt;
} gpio_isr_param_t;
static void gpio_isr_handler(void* arg)
{
gpio_isr_param_t *param = (gpio_isr_param_t *)arg;
esp_rom_printf("GPIO[%d] intr, val: %d\n", param->gpio_num, gpio_get_level(param->gpio_num));
param->isr_cnt++;
}
/** The previous GPIO interrupt service routine polls the interrupt raw status register to find the GPIO that triggered the interrupt.
* But this will incorrectly handle the interrupt disabled GPIOs, because the raw interrupt status register can still be set when
* the trigger signal arrives, even if the interrupt is disabled.
* First on the core 0:
* 1. Configure the GPIO9 and GPIO10(ESP32, ESP32C3)/GPIO21(ESP32-S2) input_output mode.
* 2. Enable GPIO9 dual edge triggered interrupt, enable GPIO10(ESP32, ESP32C3)/GPIO21(ESP32-S2) falling edge triggered interrupt.
* 3. Trigger GPIO9 interrupt, than disable the GPIO18 interrupt, and than trigger GPIO18 again(This time will not respond to the interrupt).
* 4. Trigger GPIO10(ESP32, ESP32C3)/GPIO21(ESP32-S2) interrupt.
* If the bug is not fixed, you will see, in the step 4, the interrupt of GPIO9 will also respond.
*/
TEST_CASE("GPIO ISR service test", "[gpio][ignore]")
{
static gpio_isr_param_t io9_param = {
.gpio_num = TEST_IO_9,
.isr_cnt = 0,
};
static gpio_isr_param_t io10_param = {
.gpio_num = TEST_IO_10,
.isr_cnt = 0,
};
gpio_config_t io_conf;
io_conf.intr_type = GPIO_INTR_DISABLE;
io_conf.mode = GPIO_MODE_INPUT_OUTPUT;
io_conf.pin_bit_mask = (1ULL << TEST_IO_9) | (1ULL << TEST_IO_10);
io_conf.pull_down_en = 0;
io_conf.pull_up_en = 1;
TEST_ESP_OK(gpio_config(&io_conf));
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 0));
TEST_ESP_OK(gpio_set_level(TEST_IO_10, 0));
TEST_ESP_OK(gpio_install_isr_service(0));
TEST_ESP_OK(gpio_set_intr_type(TEST_IO_9, GPIO_INTR_ANYEDGE));
TEST_ESP_OK(gpio_set_intr_type(TEST_IO_10, GPIO_INTR_NEGEDGE));
TEST_ESP_OK(gpio_isr_handler_add(TEST_IO_9, gpio_isr_handler, (void*)&io9_param));
TEST_ESP_OK(gpio_isr_handler_add(TEST_IO_10, gpio_isr_handler, (void*)&io10_param));
printf("Triggering the interrupt of GPIO9\n");
vTaskDelay(1000 / portTICK_RATE_MS);
//Rising edge
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 1));
printf("Disable the interrupt of GPIO9\n");
vTaskDelay(100 / portTICK_RATE_MS);
//Disable GPIO9 interrupt, GPIO18 will not respond to the next falling edge interrupt.
TEST_ESP_OK(gpio_intr_disable(TEST_IO_9));
vTaskDelay(100 / portTICK_RATE_MS);
//Falling edge
TEST_ESP_OK(gpio_set_level(TEST_IO_9, 0));
printf("Triggering the interrupt of GPIO10\n");
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_set_level(TEST_IO_10, 1));
vTaskDelay(100 / portTICK_RATE_MS);
//Falling edge
TEST_ESP_OK(gpio_set_level(TEST_IO_10, 0));
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ESP_OK(gpio_isr_handler_remove(TEST_IO_9));
TEST_ESP_OK(gpio_isr_handler_remove(TEST_IO_10));
gpio_uninstall_isr_service();
TEST_ASSERT((io9_param.isr_cnt == 1) && (io10_param.isr_cnt == 1));
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}