fix(aht20): fixed minor changes

 On branch update_aht20

 Changes to be committed:
	modified:   components/sensors/humiture/aht20/CHANGELOG.md
	modified:   components/sensors/humiture/aht20/README.md
	modified:   components/sensors/humiture/aht20/aht20.c
	modified:   components/sensors/humiture/aht20/idf_component.yml
	modified:   components/sensors/humiture/aht20/priv_include/aht20_reg.h
	modified:   components/sensors/humiture/aht20/test_apps/CMakeLists.txt
	modified:   components/sensors/humiture/aht20/test_apps/main/Kconfig.projbuild
	deleted:    components/sensors/humiture/aht20/test_apps/main/aht20_test.c
	modified:   components/sensors/humiture/aht20/test_apps/main/aht20_test_app.c
	modified:   examples/sensors/aht20_demo/main/CMakeLists.txt

Author: jeetrohan

components/sensors/humiture/aht20/CHANGELOG.md

@@ -1,7 +1,7 @@
 # ChangeLog
 
 ## v1.1.1 (2025-05-02)
-* replace the i2c interface with i2c_bus
+* Replace the i2c interface with i2c_bus
 
 ## v1.0.0 (2024-08-09)
 

components/sensors/humiture/aht20/README.md

@@ -1,4 +1,4 @@
-# aht20
+# Component: AHT20
 I2C driver for Aosong AHT20 humidity and temperature sensor using esp-idf.
 Tested with AHT20 using ESP32 and ESP32-S3 devkits.
 
@@ -47,23 +47,23 @@ Tested with AHT20 using ESP32 and ESP32-S3 devkits.
 
 This driver includes a demo example project.
 
-    Follow the example to learn how to initialize the driver and read the sensor data.
+Follow the example to learn how to initialize the driver and read the sensor data.
 
-    All public APIs are documented in aht20.h.
+All public APIs are documented in aht20.h.
 
 
 
-However, following are the general guiedlines.
+Following are the general guidelines.
 ```c
     //create a AHT20 device object and receive a device handle for it
     // my_i2c_bus_handle is a preintialized i2c_bus_handle_t object
-    aht20_handle_t aht20_handle =  aht20_create( my_i2c_bus_handle, AHT20_ADDRESS_LOW ); //addresses are in aht.h
+    aht20_handle_t aht20_handle =  aht20_create( my_i2c_bus_handle, AHT20_ADDRESS_LOW ); //addresses are in aht20.h
 
     //use the previously created AHT20 device handle for initializing the associated device
     aht20_init(aht20_handle);
 
     //read both humidity and temperature at once from device, using AHT20 device handle
-    aht20_read_humiture(aht20_handle); //Other public APIs are documented in AHT20.h.
+    aht20_read_humiture(aht20_handle); //Other public APIs are documented in aht20.h.
 
     //access the results stored in AHT20 device object, using the AHT20 device handle
     //other apis require user to explicitly pass variable address to hold data
@@ -77,7 +77,7 @@ However, following are the general guiedlines.
 
 
 # How to Configure CRC and I2C clock speed
-Additionally, select in menuconfig under Component Config → AHT20,; to use CRC(default is not used)
+Additionally, select in menuconfig under Component Config → AHT20; to use CRC(default is not used)
 or change the clock speed of device (default is 100KHz). 
 
 Note : It is recommended to use clock speeds in upper ranges of 100kHz to 200kHz.

components/sensors/humiture/aht20/aht20.c

@@ -59,7 +59,7 @@ static esp_err_t aht20_Start_Init(aht20_handle_t aht20_handle);
 * @param[in] addr AHT20 internal register, undocumented in datasheet
 *
 */
-static esp_err_t aht_JH_Reset_REG(aht20_handle_t aht20_handle, uint8_t addr);
+static esp_err_t aht20_JH_Reset_REG(aht20_handle_t aht20_handle, uint8_t addr);
 
 /**
 * @brief check crc validity of response received
@@ -217,7 +217,7 @@ esp_err_t aht20_busy_status(aht20_handle_t aht20_handle, bool *busy)
     return ESP_OK;
 }
 
-static esp_err_t aht_JH_Reset_REG(aht20_handle_t aht20_handle, uint8_t addr)
+static esp_err_t aht20_JH_Reset_REG(aht20_handle_t aht20_handle, uint8_t addr)
 {
 
     uint8_t reset_cmd[] = {addr, 0x00, 0x00}, read_bytes[3];
@@ -241,9 +241,9 @@ static esp_err_t aht_JH_Reset_REG(aht20_handle_t aht20_handle, uint8_t addr)
 
 static esp_err_t aht20_Start_Init(aht20_handle_t aht20_handle)
 {
-    ESP_RETURN_ON_ERROR(aht_JH_Reset_REG(aht20_handle, 0x1b), "", "");
-    ESP_RETURN_ON_ERROR(aht_JH_Reset_REG(aht20_handle, 0x1c), "", "");
-    ESP_RETURN_ON_ERROR(aht_JH_Reset_REG(aht20_handle, 0x1e), "", "");
+    ESP_RETURN_ON_ERROR(aht20_JH_Reset_REG(aht20_handle, 0x1b), "", "");
+    ESP_RETURN_ON_ERROR(aht20_JH_Reset_REG(aht20_handle, 0x1c), "", "");
+    ESP_RETURN_ON_ERROR(aht20_JH_Reset_REG(aht20_handle, 0x1e), "", "");
 
     return ESP_OK;
 }

components/sensors/humiture/aht20/idf_component.yml

@@ -20,6 +20,9 @@ dependencies:
 
   idf: ">=4.0"
 
+examples:
+  - path: ../../../examples/sensors/aht20_demo
+
 targets:
   - esp32
   - esp32c2

components/sensors/humiture/aht20/priv_include/aht20_reg.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -14,11 +14,3 @@
 #define SUPPLY_VOLTAGE_MAX                  (5.5f)          /**< chip max supply voltage */
 #define TEMPERATURE_MIN                     (-40.0f)        /**< chip min operating temperature */
 #define TEMPERATURE_MAX                     (125.0f)        /**< chip max operating temperature */
-
-#define AHT20_START_MEASURMENT_CMD          0xAC            /* start measurement command */
-
-#define AT581X_STATUS_CMP_INT               (2)             /* 1 --Out threshold range; 0 --In threshold range */
-#define AT581X_STATUS_Calibration_Enable    (3)             /* 1 --Calibration enable; 0 --Calibration disable */
-#define AT581X_STATUS_CRC_FLAG              (4)             /* 1 --CRC ok; 0 --CRC failed */
-#define AT581X_STATUS_MODE_STATUS           (5)             /* 00 -NOR mode; 01 -CYC mode; 1x --CMD mode */
-#define AT581X_STATUS_BUSY_INDICATION       (7)             /* 1 --Equipment is busy; 0 --Equipment is idle */

components/sensors/humiture/aht20/test_apps/CMakeLists.txt

@@ -1,7 +1,9 @@
 # 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 3.16)
+cmake_minimum_required(VERSION 3.5)
 
 set(COMPONENTS main)
+set(EXTRA_COMPONENT_DIRS "$ENV{IDF_PATH}/tools/unit-test-app/components")
+
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(aht20_test)

components/sensors/humiture/aht20/test_apps/main/Kconfig.projbuild

@@ -2,13 +2,13 @@ menu "Example Configuration"
 
     config I2C_MASTER_SCL
         int "SCL GPIO Num"
-        default 22
+        default 40
         help
             GPIO number for I2C Master clock line.
 
     config I2C_MASTER_SDA
         int "SDA GPIO Num"
-        default 21
+        default 41
         help
             GPIO number for I2C Master data line.
 

components/sensors/humiture/aht20/test_apps/main/aht20_test.c

@@ -55,6 +55,8 @@ void tearDown(void)
 {
     after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT);
     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");
 }
 
 /************************** Memory Leak Checks Completed********************/
@@ -97,6 +99,7 @@ esp_err_t aht20_init_test()
 void aht20_deinit_test(void)
 {
     aht20_remove(&aht20_handle);
+    i2c_del_master_bus(my_i2c_bus_handle);
 }
 /*******************************AHT20 Device Deinitializtion Over****************************/
 

components/sensors/humiture/aht20/test_apps/main/aht20_test_app.c

@@ -1,2 +1,3 @@
 idf_component_register(SRCS "aht20_demo.c"
-                       INCLUDE_DIRS ".")
+                       INCLUDE_DIRS "."
+                       REQUIRES "aht20")