diff --git a/include/zh_aht.h b/include/zh_aht.h index cb809b2..e034f02 100644 --- a/include/zh_aht.h +++ b/include/zh_aht.h @@ -10,11 +10,9 @@ #include "freertos/FreeRTOS.h" #include "freertos/task.h" -#define ZH_AHT_INIT_CONFIG_DEFAULT() \ - { \ - .sensor_type = ZH_AHT2X, \ - .i2c_address = ZH_I2C_ADDRESS_LOW, \ - .i2c_port = 0 \ +#define ZH_AHT_INIT_CONFIG_DEFAULT() \ + { \ + .i2c_port = 0 \ } #ifdef __cplusplus @@ -24,16 +22,6 @@ extern "C" typedef struct // Structure for initial initialization of AHT sensor. { - enum // Sensor type. - { - ZH_AHT1X, // AHT10/AHT15. - ZH_AHT2X // AHT20/AHT21/AHT25/AHT30. - } sensor_type; - enum // Sensor I2C address. - { - ZH_I2C_ADDRESS_HIGH = 0x39, // Address pin connected to VCC. AHT10 only. - ZH_I2C_ADDRESS_LOW = 0x38 // AHT15/AHT20/AHT21/AHT25/AHT30. AHT10 address pin connected to GND. - } i2c_address; bool i2c_port; // I2C port. #ifndef CONFIG_IDF_TARGET_ESP8266 i2c_master_bus_handle_t i2c_handle; // Unique I2C bus handle. diff --git a/version.txt b/version.txt index 1cc5f65..8cfbc90 100644 --- a/version.txt +++ b/version.txt @@ -1 +1 @@ -1.1.0 \ No newline at end of file +1.1.1 \ No newline at end of file diff --git a/zh_aht.c b/zh_aht.c index 70cfb1a..387d82f 100644 --- a/zh_aht.c +++ b/zh_aht.c @@ -3,6 +3,7 @@ #define I2C_MAX_DATA_SIZE 7 // Sensor maximum data size (in bytes). #define MEASUREMENT_TIME 80 // Sensor measurement time (in milliseconds). #define RESET_TIME 20 // Sensor reset time (in milliseconds). +#define I2C_ADDRESS 0x38 // Sensor I2C address. #define I2C_DATA_READ_COMMAND 0xAC, 0x33, 0x00 // Command for read sensor data (temperature and humidity). #define I2C_RESET_COMMAND 0xBA // Command for reset sensor. #define I2C_INIT_COMMAND 0x00, 0x08, 0x00 // Command for initialize sensor. First byte is depend of sensor type. @@ -32,11 +33,11 @@ esp_err_t zh_aht_init(const zh_aht_init_config_t *config) #ifndef CONFIG_IDF_TARGET_ESP8266 i2c_device_config_t aht_config = { .dev_addr_length = I2C_ADDR_BIT_LEN_7, - .device_address = _init_config.i2c_address, + .device_address = I2C_ADDRESS, .scl_speed_hz = 100000, }; i2c_master_bus_add_device(_init_config.i2c_handle, &aht_config, &_aht_handle); - if (i2c_master_probe(_init_config.i2c_handle, _init_config.i2c_address, 1000 / portTICK_PERIOD_MS) != ESP_OK) + if (i2c_master_probe(_init_config.i2c_handle, I2C_ADDRESS, 1000 / portTICK_PERIOD_MS) != ESP_OK) { ESP_LOGE(TAG, "AHT initialization fail. Sensor not connected or not responded."); return ESP_ERR_NOT_FOUND; @@ -48,7 +49,7 @@ esp_err_t zh_aht_init(const zh_aht_init_config_t *config) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle_t i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_WRITE, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_WRITE, true); i2c_master_write_byte(i2c_cmd_handle, command, true); i2c_master_stop(i2c_cmd_handle); esp_err = i2c_master_cmd_begin(_init_config.i2c_port, i2c_cmd_handle, 1000 / portTICK_PERIOD_MS); @@ -64,7 +65,7 @@ esp_err_t zh_aht_init(const zh_aht_init_config_t *config) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_READ, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_READ, true); i2c_master_read_byte(i2c_cmd_handle, &sensor_data, I2C_MASTER_NACK); i2c_master_stop(i2c_cmd_handle); esp_err = i2c_master_cmd_begin(_init_config.i2c_port, i2c_cmd_handle, 1000 / portTICK_PERIOD_MS); @@ -91,7 +92,7 @@ esp_err_t zh_aht_init(const zh_aht_init_config_t *config) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle_t i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_WRITE, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_WRITE, true); i2c_master_write_byte(i2c_cmd_handle, command[0], true); i2c_master_write_byte(i2c_cmd_handle, command[1], true); i2c_master_write_byte(i2c_cmd_handle, command[2], true); @@ -131,7 +132,7 @@ esp_err_t zh_aht_read(float *humidity, float *temperature) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle_t i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_WRITE, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_WRITE, true); i2c_master_write_byte(i2c_cmd_handle, command[0], true); i2c_master_write_byte(i2c_cmd_handle, command[1], true); i2c_master_write_byte(i2c_cmd_handle, command[2], true); @@ -150,7 +151,7 @@ esp_err_t zh_aht_read(float *humidity, float *temperature) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_READ, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_READ, true); for (uint8_t i = 0; i < sizeof(sensor_data); ++i) { i2c_master_read_byte(i2c_cmd_handle, &sensor_data[i], i == (sizeof(sensor_data) - 1) ? I2C_MASTER_NACK : I2C_MASTER_ACK); @@ -171,7 +172,7 @@ esp_err_t zh_aht_read(float *humidity, float *temperature) ESP_LOGE(TAG, "AHT read fail. Timeout exceeded."); return ESP_ERR_TIMEOUT; } - if (_init_config.sensor_type != ZH_AHT1X) + if (sensor_data[6] != 0x00 || sensor_data[6] != 0xFF) { if (_calc_crc(sensor_data, I2C_MAX_DATA_SIZE - 1) != sensor_data[6]) { @@ -198,7 +199,7 @@ esp_err_t zh_aht_reset(void) #ifdef CONFIG_IDF_TARGET_ESP8266 i2c_cmd_handle_t i2c_cmd_handle = i2c_cmd_link_create(); i2c_master_start(i2c_cmd_handle); - i2c_master_write_byte(i2c_cmd_handle, _init_config.i2c_address << 1 | I2C_MASTER_WRITE, true); + i2c_master_write_byte(i2c_cmd_handle, I2C_ADDRESS << 1 | I2C_MASTER_WRITE, true); i2c_master_write_byte(i2c_cmd_handle, command, true); i2c_master_stop(i2c_cmd_handle); esp_err = i2c_master_cmd_begin(_init_config.i2c_port, i2c_cmd_handle, 1000 / portTICK_PERIOD_MS);