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esp32 temperature node

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Alex B.
2025-10-04 01:10:10 -04:00
parent 83af845fb6
commit fe1e4e1494
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9
ESP32-IDF_Temperture-Node-v2/managed_components/espressif__i2c_bus/test_apps/CMakeLists.txt Normal file
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# The following lines of boilerplate have to be in your project's CMakeLists
# in this exact order for cmake to work correctly
cmake_minimum_required(VERSION 3.5)
set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components"
"../../i2c_bus")
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(i2c_bus_test)

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ESP32-IDF_Temperture-Node-v2/managed_components/espressif__i2c_bus/test_apps/main/CMakeLists.txt Normal file
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idf_component_register(SRC_DIRS "."
PRIV_INCLUDE_DIRS "."
PRIV_REQUIRES unity i2c_bus test_utils)

595
ESP32-IDF_Temperture-Node-v2/managed_components/espressif__i2c_bus/test_apps/main/test_i2c_bus.c Normal file
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/*
* SPDX-FileCopyrightText: 2024-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdio.h>
#include <string.h>
#include "unity.h"
#include "unity_config.h"
#include "i2c_bus.h"
#include "esp_system.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0)
#include "driver/i2c_slave.h"
#include "test_utils.h"
#endif
#define TEST_MEMORY_LEAK_THRESHOLD (-460)
static size_t before_free_8bit;
static size_t before_free_32bit;
#define I2C_MASTER_SCL_IO (gpio_num_t)4 /*!< gpio number for I2C master clock */
#define I2C_MASTER_SDA_IO (gpio_num_t)5 /*!< gpio number for I2C master data */
#define DATA_LENGTH 512 /*!<Data buffer length for test buffer*/
#define RW_TEST_LENGTH 129 /*!<Data length for r/w test, any value from 0-DATA_LENGTH*/
#define DELAY_TIME_BETWEEN_ITEMS_MS 1234 /*!< delay time between different test items */
#define I2C_SLAVE_SCL_IO (gpio_num_t)4 /*!<gpio number for i2c slave clock */
#define I2C_SLAVE_SDA_IO (gpio_num_t)5 /*!<gpio number for i2c slave data */
#define I2C_MASTER_NUM I2C_NUM_0 /*!<I2C port number for master dev */
#define I2C_MASTER_FREQ_HZ 100000 /*!< I2C master clock frequency */
#define I2C_SLAVE_NUM I2C_NUM_0 /*!<I2C port number for slave dev */
#define I2C_SLAVE_TX_BUF_LEN (2*DATA_LENGTH) /*!<I2C slave tx buffer size */
#define I2C_SLAVE_RX_BUF_LEN (2*DATA_LENGTH) /*!<I2C slave rx buffer size */
#define I2C_SCAN_ADDR_NUM (100) /*!< Number of slave addresses scanned by I2C */
#define ESP_SLAVE_ADDR 0x28 /*!< ESP32 slave address, you can set any 7bit value */
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
static QueueHandle_t s_receive_queue;
static IRAM_ATTR bool test_i2c_rx_done_callback(i2c_slave_dev_handle_t channel, const i2c_slave_rx_done_event_data_t *edata, void *user_data)
{
BaseType_t high_task_wakeup = pdFALSE;
QueueHandle_t receive_queue = (QueueHandle_t)user_data;
xQueueSendFromISR(receive_queue, edata, &high_task_wakeup);
return high_task_wakeup == pdTRUE;
}
#endif
void i2c_bus_init_deinit_test()
{
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus_1 = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
/** configs not change**/
i2c0_bus_1 = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
/** configs change**/
conf.master.clk_speed *= 2;
i2c0_bus_1 = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus_1));
TEST_ASSERT(i2c0_bus_1 == NULL);
}
void i2c_bus_device_add_test()
{
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus_1 = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c0_bus_1, 0x01, 400000);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_device_handle_t i2c_device2 = i2c_bus_device_create(i2c0_bus_1, 0x01, 100000);
TEST_ASSERT(i2c_device2 != NULL);
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
i2c_bus_device_delete(&i2c_device2);
TEST_ASSERT(i2c_device2 == NULL);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus_1));
TEST_ASSERT(i2c0_bus_1 == NULL);
}
// print the reading buffer
static void disp_buf(uint8_t *buf, int len)
{
int i;
for (i = 0; i < len; i++) {
printf("%02x ", buf[i]);
if ((i + 1) % 16 == 0) {
printf("\n");
}
}
printf("\n");
}
static void i2c_master_write_test(void)
{
uint8_t *data_wr = (uint8_t *) malloc(DATA_LENGTH);
int i;
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
TEST_ASSERT(i2c0_bus != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c0_bus, ESP_SLAVE_ADDR, 0);
TEST_ASSERT(i2c_device1 != NULL);
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
unity_wait_for_signal("i2c slave init finish");
unity_send_signal("master write");
#endif
for (i = 0; i < DATA_LENGTH / 2; i++) {
data_wr[i] = i;
}
i2c_bus_write_bytes(i2c_device1, NULL_I2C_MEM_ADDR, DATA_LENGTH / 2, data_wr);
disp_buf(data_wr, i);
free(data_wr);
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
unity_wait_for_signal("ready to delete");
#endif
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus));
TEST_ASSERT(i2c0_bus == NULL);
}
static void i2c_slave_read_test(void)
{
uint8_t *data_rd = (uint8_t *) malloc(DATA_LENGTH);
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0) || CONFIG_I2C_BUS_BACKWARD_CONFIG
int len = 0;
int size_rd = 0;
i2c_config_t conf_slave = {
.mode = I2C_MODE_SLAVE,
.sda_io_num = I2C_SLAVE_SDA_IO,
.scl_io_num = I2C_SLAVE_SCL_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.slave.addr_10bit_en = 0,
.slave.slave_addr = ESP_SLAVE_ADDR,
};
TEST_ESP_OK(i2c_param_config(I2C_SLAVE_NUM, &conf_slave));
TEST_ESP_OK(i2c_driver_install(I2C_SLAVE_NUM, I2C_MODE_SLAVE,
I2C_SLAVE_RX_BUF_LEN,
I2C_SLAVE_TX_BUF_LEN, 0));
while (1) {
len = i2c_slave_read_buffer(I2C_SLAVE_NUM, data_rd + size_rd, DATA_LENGTH, 10000 / portTICK_RATE_MS);
if (len == 0) {
break;
}
size_rd += len;
}
disp_buf(data_rd, size_rd);
for (int i = 0; i < size_rd; i++) {
TEST_ASSERT(data_rd[i] == i);
}
free(data_rd);
TEST_ESP_OK(i2c_driver_delete(I2C_SLAVE_NUM));
#else
i2c_slave_config_t i2c_slv_config = {
.addr_bit_len = I2C_ADDR_BIT_LEN_7,
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_SLAVE_NUM,
.send_buf_depth = 256,
.scl_io_num = I2C_SLAVE_SCL_IO,
.sda_io_num = I2C_SLAVE_SDA_IO,
.slave_addr = ESP_SLAVE_ADDR,
};
i2c_slave_dev_handle_t slave_handle;
TEST_ESP_OK(i2c_new_slave_device(&i2c_slv_config, &slave_handle));
s_receive_queue = xQueueCreate(1, sizeof(i2c_slave_rx_done_event_data_t));
i2c_slave_event_callbacks_t cbs = {
.on_recv_done = test_i2c_rx_done_callback,
};
ESP_ERROR_CHECK(i2c_slave_register_event_callbacks(slave_handle, &cbs, s_receive_queue));
i2c_slave_rx_done_event_data_t rx_data;
TEST_ESP_OK(i2c_slave_receive(slave_handle, data_rd, DATA_LENGTH / 2));
unity_send_signal("i2c slave init finish");
unity_wait_for_signal("master write");
xQueueReceive(s_receive_queue, &rx_data, pdMS_TO_TICKS(1000));
disp_buf(data_rd, DATA_LENGTH / 2);
for (int i = 0; i < DATA_LENGTH / 2; i++) {
TEST_ASSERT(data_rd[i] == i);
}
vQueueDelete(s_receive_queue);
unity_send_signal("ready to delete");
free(data_rd);
TEST_ESP_OK(i2c_del_slave_device(slave_handle));
#endif
}
TEST_CASE_MULTIPLE_DEVICES("I2C master write slave test", "[i2c_bus]", i2c_master_write_test, i2c_slave_read_test);
static void master_read_slave_test(void)
{
uint8_t *data_rd = (uint8_t *) malloc(DATA_LENGTH);
memset(data_rd, 0, DATA_LENGTH);
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
TEST_ASSERT(i2c0_bus != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c0_bus, ESP_SLAVE_ADDR, 0);
TEST_ASSERT(i2c_device1 != NULL);
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
unity_send_signal("i2c master init finish");
unity_wait_for_signal("slave write");
#endif
i2c_bus_read_bytes(i2c_device1, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_rd);
vTaskDelay(100 / portTICK_RATE_MS);
disp_buf(data_rd, RW_TEST_LENGTH);
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
unity_send_signal("ready to delete");
#endif
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus));
TEST_ASSERT(i2c0_bus == NULL);
free(data_rd);
}
static void slave_write_buffer_test(void)
{
uint8_t *data_wr = (uint8_t *) malloc(RW_TEST_LENGTH);
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0) || CONFIG_I2C_BUS_BACKWARD_CONFIG
i2c_config_t conf_slave = {
.mode = I2C_MODE_SLAVE,
.sda_io_num = I2C_SLAVE_SDA_IO,
.scl_io_num = I2C_SLAVE_SCL_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.slave.addr_10bit_en = 0,
.slave.slave_addr = ESP_SLAVE_ADDR,
};
TEST_ESP_OK(i2c_param_config(I2C_SLAVE_NUM, &conf_slave));
TEST_ESP_OK(i2c_driver_install(I2C_SLAVE_NUM, I2C_MODE_SLAVE,
I2C_SLAVE_RX_BUF_LEN,
I2C_SLAVE_TX_BUF_LEN, 0));
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
i2c_slave_write_buffer(I2C_SLAVE_NUM, data_wr, RW_TEST_LENGTH, 2000 / portTICK_RATE_MS);
#else
i2c_slave_config_t i2c_slv_config = {
.addr_bit_len = I2C_ADDR_BIT_LEN_7,
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_SLAVE_NUM,
.send_buf_depth = 256,
.scl_io_num = I2C_SLAVE_SCL_IO,
.sda_io_num = I2C_SLAVE_SDA_IO,
.slave_addr = ESP_SLAVE_ADDR,
};
i2c_slave_dev_handle_t slave_handle;
TEST_ESP_OK(i2c_new_slave_device(&i2c_slv_config, &slave_handle));
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
unity_wait_for_signal("i2c master init finish");
unity_send_signal("slave write");
i2c_slave_transmit(slave_handle, data_wr, RW_TEST_LENGTH, 100 / portTICK_PERIOD_MS);
#endif
disp_buf(data_wr, RW_TEST_LENGTH);
free(data_wr);
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0) || CONFIG_I2C_BUS_BACKWARD_CONFIG
i2c_driver_delete(I2C_SLAVE_NUM);
#else
unity_wait_for_signal("ready to delete");
TEST_ESP_OK(i2c_del_slave_device(slave_handle));
#endif
}
TEST_CASE_MULTIPLE_DEVICES("I2C master read slave test", "[i2c_bus]", master_read_slave_test, slave_write_buffer_test);
TEST_CASE("I2C master write under different frequency test", "[i2c_bus]")
{
uint8_t *data_wr = (uint8_t *) malloc(RW_TEST_LENGTH);
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c_bus != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c_bus, 0x01, I2C_MASTER_FREQ_HZ);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_write_bytes(i2c_device1, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
vTaskDelay(300 / portTICK_RATE_MS);
conf.master.clk_speed = 40 * 100;
i2c_bus = i2c_bus_create(I2C_NUM_0, &conf);
i2c_bus_device_handle_t i2c_device2 = i2c_bus_device_create(i2c_bus, 0x02, 40 * 100);
TEST_ASSERT(i2c_device2 != NULL);
i2c_bus_write_bytes(i2c_device2, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
i2c_bus_device_delete(&i2c_device2);
TEST_ASSERT(i2c_device2 == NULL);
free(data_wr);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
TEST_ASSERT(i2c_bus == NULL);
}
TEST_CASE("i2c bus init-deinit test", "[bus][i2c_bus]")
{
i2c_bus_init_deinit_test();
i2c_bus_device_add_test();
}
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 3, 0) && !CONFIG_I2C_BUS_BACKWARD_CONFIG
TEST_CASE("I2C bus uses external bus handle test", "[bus][i2c_bus]")
{
uint8_t *data_wr = (uint8_t *) malloc(RW_TEST_LENGTH);
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
i2c_master_bus_config_t i2c_mst_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_MASTER_NUM,
.scl_io_num = I2C_MASTER_SCL_IO,
.sda_io_num = I2C_MASTER_SDA_IO,
.flags.enable_internal_pullup = true,
};
i2c_master_bus_handle_t bus_handle;
TEST_ESP_OK(i2c_new_master_bus(&i2c_mst_config, &bus_handle));
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c_bus, 0x01, 400000);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_write_bytes(i2c_device1, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
i2c_bus_device_delete(&i2c_device1);
free(data_wr);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
TEST_ASSERT(i2c_bus == NULL);
}
#endif
TEST_CASE("I2C bus scan test", "[i2c_bus][scan]")
{
uint8_t addrs[I2C_SCAN_ADDR_NUM] = {0};
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_MASTER_NUM, &conf);
i2c_bus_scan(i2c_bus, addrs, I2C_SCAN_ADDR_NUM);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
TEST_ASSERT(i2c_bus == NULL);
}
TEST_CASE("I2C bus register address restriction test", "[i2c_bus][NULL_I2C_MEM_ADDR]")
{
uint8_t *data_wr = (uint8_t *) malloc(RW_TEST_LENGTH);
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_NUM_0, &conf);
TEST_ASSERT(i2c_bus != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c_bus, 0x01, I2C_MASTER_FREQ_HZ);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_write_bytes(i2c_device1, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
free(data_wr);
TEST_ASSERT(i2c_bus == NULL);
}
#if CONFIG_I2C_BUS_SUPPORT_SOFTWARE
TEST_CASE("I2C soft bus init-deinit test", "[soft][bus][i2c_bus]")
{
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus_1 = i2c_bus_create(I2C_NUM_SW_1, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
/** configs not change**/
i2c0_bus_1 = i2c_bus_create(I2C_NUM_SW_1, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
/** configs change**/
conf.master.clk_speed *= 2;
i2c0_bus_1 = i2c_bus_create(I2C_NUM_SW_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
vTaskDelay(100 / portTICK_RATE_MS);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus_1));
TEST_ASSERT(i2c0_bus_1 == NULL);
}
TEST_CASE("I2C soft bus device add test", "[soft][bus][device][i2c_bus]")
{
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c0_bus_1 = i2c_bus_create(I2C_NUM_SW_0, &conf);
TEST_ASSERT(i2c0_bus_1 != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c0_bus_1, 0x01, 400000);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_device_handle_t i2c_device2 = i2c_bus_device_create(i2c0_bus_1, 0x01, 100000);
TEST_ASSERT(i2c_device2 != NULL);
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
i2c_bus_device_delete(&i2c_device2);
TEST_ASSERT(i2c_device2 == NULL);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c0_bus_1));
TEST_ASSERT(i2c0_bus_1 == NULL);
}
TEST_CASE("I2C soft bus scan test", "[soft][i2c_bus][scan]")
{
uint8_t addrs[I2C_SCAN_ADDR_NUM] = {0};
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_NUM_SW_0, &conf);
i2c_bus_scan(i2c_bus, addrs, I2C_SCAN_ADDR_NUM);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
TEST_ASSERT(i2c_bus == NULL);
}
TEST_CASE("I2C soft bus write under different frequency test", "[soft][i2c_bus]")
{
uint8_t *data_wr = (uint8_t *) malloc(RW_TEST_LENGTH);
for (int i = 0; i < RW_TEST_LENGTH; i++) {
data_wr[i] = i;
}
i2c_config_t conf = {
.mode = I2C_MODE_MASTER,
.sda_io_num = I2C_MASTER_SDA_IO,
.sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_io_num = I2C_MASTER_SCL_IO,
.scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ,
};
i2c_bus_handle_t i2c_bus = i2c_bus_create(I2C_NUM_SW_0, &conf);
TEST_ASSERT(i2c_bus != NULL);
i2c_bus_device_handle_t i2c_device1 = i2c_bus_device_create(i2c_bus, 0x01, I2C_MASTER_FREQ_HZ);
TEST_ASSERT(i2c_device1 != NULL);
i2c_bus_write_bytes(i2c_device1, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
vTaskDelay(300 / portTICK_RATE_MS);
i2c_bus_device_handle_t i2c_device2 = i2c_bus_device_create(i2c_bus, 0x02, 40 * 100);
TEST_ASSERT(i2c_device2 != NULL);
i2c_bus_write_bytes(i2c_device2, NULL_I2C_MEM_ADDR, RW_TEST_LENGTH, data_wr);
i2c_bus_device_delete(&i2c_device1);
TEST_ASSERT(i2c_device1 == NULL);
i2c_bus_device_delete(&i2c_device2);
TEST_ASSERT(i2c_device2 == NULL);
free(data_wr);
TEST_ASSERT(ESP_OK == i2c_bus_delete(&i2c_bus));
TEST_ASSERT(i2c_bus == NULL);
}
#endif
static void check_leak(size_t before_free, size_t after_free, const char *type)
{
ssize_t delta = after_free - before_free;
printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta);
TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak");
}
void setUp(void)
{
before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
}
void tearDown(void)
{
size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT);
check_leak(before_free_8bit, after_free_8bit, "8BIT");
check_leak(before_free_32bit, after_free_32bit, "32BIT");
}
void app_main(void)
{
#if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(5, 3, 0) || CONFIG_I2C_BUS_BACKWARD_CONFIG
printf("I2C BUS TEST \n");
#else
printf("I2C BUS V2 TEST \n");
#endif
unity_run_menu();
}

30
ESP32-IDF_Temperture-Node-v2/managed_components/espressif__i2c_bus/test_apps/pytest_i2c_bus.py Normal file
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# SPDX-FileCopyrightText: 2024Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
'''
Steps to run these cases:
- Build
- . ${IDF_PATH}/export.sh
- pip install idf_build_apps
- python tools/build_apps.py components/sensors/i2c_bus/test_apps -t esp32
- Test
- pip install -r tools/requirements/requirement.pytest.txt
- pytest components/sensors/i2c_bus/test_apps --target esp32
'''
import pytest
from pytest_embedded import Dut
@pytest.mark.target('esp32')
@pytest.mark.target('esp32c3')
@pytest.mark.target('esp32c6')
@pytest.mark.target('esp32s3')
@pytest.mark.env('generic')
@pytest.mark.parametrize(
'config',
[
'defaults',
],
)
def test_i2c_bus(dut: Dut)-> None:
dut.run_all_single_board_cases()

10
ESP32-IDF_Temperture-Node-v2/managed_components/espressif__i2c_bus/test_apps/sdkconfig.defaults Normal file
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# For IDF 5.0
CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_240=y
CONFIG_FREERTOS_HZ=1000
CONFIG_ESP_TASK_WDT_EN=n
CONFIG_FREERTOS_TIMER_TASK_STACK_DEPTH=4096
# For IDF4.4
CONFIG_ESP32S2_DEFAULT_CPU_FREQ_240=y
CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240=y
CONFIG_ESP_TASK_WDT=n