aZholtikov/zh_aht
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feat!: main structure of handle changed to double pointer

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aZholtikov committed 2026-07-07 13:48:37 +03:00
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README.md
+3 -106
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@@ -14,7 +14,7 @@
## Features
1. Support of AHT10/AHT15/AHT20/AHT21/AHT25/AHT30.
1. Support of AHT10/AHT15/AHT20/AHT21/AHT25/AHT30/AHT40.
2. Support some sensors on one device with [zh_pca9548a](https://github.com/aZholtikov/zh_pca9548a).
## Attention
@@ -41,109 +41,6 @@ In the application, add the component:
#include "zh_aht.h"
```
## Example
## Examples
Reading the sensor:
```c
#include "zh_aht.h"
#define I2C_PORT (I2C_NUM_MAX - 1)
zh_aht_handle_t aht_handle = {0};
void app_main(void)
{
esp_log_level_set("zh_aht", ESP_LOG_ERROR);
i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_PORT,
.scl_io_num = GPIO_NUM_22,
.sda_io_num = GPIO_NUM_21,
.glitch_ignore_cnt = 7,
.flags.enable_internal_pullup = true,
};
i2c_master_bus_handle_t i2c_bus_handle = NULL;
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
zh_aht_init_config_t config = ZH_AHT_INIT_CONFIG_DEFAULT();
config.i2c_handle = i2c_bus_handle;
zh_aht_init(&config, &aht_handle);
float humidity = 0.0;
float temperature = 0.0;
for (;;)
{
zh_aht_read(&aht_handle, &humidity, &temperature);
printf("Humidity %0.2f\n", humidity);
printf("Temperature %0.2f\n", temperature);
const zh_aht_stats_t *stats = zh_aht_get_stats();
printf("Number of i2c driver error: %ld.\n", stats->i2c_driver_error);
vTaskDelay(5000 / portTICK_PERIOD_MS);
}
}
```
3 sensor on one device:
```c
#include "zh_pca9548a.h"
#include "zh_aht.h"
#define I2C_PORT (I2C_NUM_MAX - 1)
zh_pca9548a_handle_t pca9548a_handle = {0};
zh_aht_handle_t aht_handle_chan_0 = {0};
zh_aht_handle_t aht_handle_chan_1 = {0};
zh_aht_handle_t aht_handle_chan_2 = {0};
void app_main(void)
{
esp_log_level_set("zh_pca9548a", ESP_LOG_ERROR);
esp_log_level_set("zh_aht", ESP_LOG_ERROR);
i2c_master_bus_config_t i2c_bus_config = {
.clk_source = I2C_CLK_SRC_DEFAULT,
.i2c_port = I2C_PORT,
.scl_io_num = GPIO_NUM_22,
.sda_io_num = GPIO_NUM_21,
.glitch_ignore_cnt = 7,
.flags.enable_internal_pullup = true,
};
i2c_master_bus_handle_t i2c_bus_handle = NULL;
i2c_new_master_bus(&i2c_bus_config, &i2c_bus_handle);
zh_pca9548a_init_config_t config = ZH_PCA9548A_INIT_CONFIG_DEFAULT();
config.i2c_handle = i2c_bus_handle;
config.i2c_address = 0x70;
zh_pca9548a_init(&config, &pca9548a_handle);
zh_aht_init_config_t aht_config = ZH_AHT_INIT_CONFIG_DEFAULT();
aht_config.i2c_handle = i2c_bus_handle;
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_0);
zh_aht_init(&aht_config, &aht_handle_chan_0);
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_1);
zh_aht_init(&aht_config, &aht_handle_chan_1);
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_2);
zh_aht_init(&aht_config, &aht_handle_chan_2);
float humidity = 0.0;
float temperature = 0.0;
for (;;)
{
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_0);
zh_aht_read(&aht_handle_chan_0, &humidity, &temperature);
printf("Sensor 1. Humidity %0.2f\n", humidity);
printf("Sensor 1. Temperature %0.2f\n", temperature);
humidity = 0.0;
temperature = 0.0;
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_1);
zh_aht_read(&aht_handle_chan_1, &humidity, &temperature);
printf("Sensor 2. Humidity %0.2f\n", humidity);
printf("Sensor 2. Temperature %0.2f\n", temperature);
humidity = 0.0;
temperature = 0.0;
zh_pca9548a_set(&pca9548a_handle, ZH_PCA9548A_CHAN_NUM_2);
zh_aht_read(&aht_handle_chan_2, &humidity, &temperature);
printf("Sensor 3. Humidity %0.2f\n", humidity);
printf("Sensor 3. Temperature %0.2f\n", temperature);
humidity = 0.0;
temperature = 0.0;
vTaskDelay(5000 / portTICK_PERIOD_MS);
}
}
```
See Wiki [EN](WIKI_EN.md#usage-examples) | [RU](WIKI_RU.md#примеры-использования)