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Ai-WB2-12F Click

Ai-WB2-12F Click is a compact add-on board for easy integration into the Internet of Things (IoT) and smart home applications. This board features the Ai-WB2-12F, a WiFi and BLE module from Ai-Thinker Technology, powered by the BL602 chip supporting WiFi 802.11b/g/n and BLE 5.0 protocols.

Click Product page

Click library

  • Author : Stefan Ilic
  • Date : Nov 2023.
  • Type : UART type

Software Support

We provide a library for the Ai-WB2-12F Click as well as a demo application (example), developed using MikroElektronika compilers. The demo can run on all the main MikroElektronika development boards.

Package can be downloaded/installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for Ai-WB2-12F Click driver.

Standard key functions :

  • aiwb212f_cfg_setup Config Object Initialization function.
void aiwb212f_cfg_setup ( aiwb212f_cfg_t *cfg );
  • aiwb212f_init Initialization function.
err_t aiwb212f_init ( aiwb212f_t *ctx, aiwb212f_cfg_t *cfg );

Example key functions :

  • aiwb212f_send_cmd Ai-WB2-12F send command function.
void aiwb212f_send_cmd ( aiwb212f_t *ctx, uint8_t *at_cmd_buf );
  • aiwb212f_send_cmd_with_par Ai-WB2-12F send command with parameter function.
void aiwb212f_send_cmd_with_par ( aiwb212f_t *ctx, uint8_t *at_cmd_buf, uint8_t *param_buf );
  • aiwb212f_send_cmd_check Ai-WB2-12F send command check function.
void aiwb212f_send_cmd_check ( aiwb212f_t *ctx, uint8_t *at_cmd_buf );

Example Description

This example demonstrates the use of Ai-WB2-12F Click board by processing the incoming data and displaying them on the USB UART.

The demo application is composed of two sections :

Application Init

Initializes the driver, tests the communication, and after that restarts the device, and performs example configuration.

void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    aiwb212f_cfg_t aiwb212f_cfg;  /**< Click config object. */

    /** 
     * Logger initialization.
     * Default baud rate: 115200
     * Default log level: LOG_LEVEL_DEBUG
     * @note If USB_UART_RX and USB_UART_TX 
     * are defined as HAL_PIN_NC, you will 
     * need to define them manually for log to work. 
     * See @b LOG_MAP_USB_UART macro definition for detailed explanation.
     */
    LOG_MAP_USB_UART( log_cfg );
    log_init( &logger, &log_cfg );
    log_info( &logger, " Application Init " );

    // Click initialization.
    aiwb212f_cfg_setup( &aiwb212f_cfg );
    AIWB212F_MAP_MIKROBUS( aiwb212f_cfg, MIKROBUS_1 );
    if ( UART_ERROR == aiwb212f_init( &aiwb212f, &aiwb212f_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    aiwb212f_process( );
    aiwb212f_clear_app_buf( );

    aiwb212f_hw_reset( &aiwb212f );
    error_flag = aiwb212f_rsp_check( AIWB212F_RSP_READY );
    aiwb212f_error_check( error_flag );

    // Check communication
    aiwb212f_send_cmd( &aiwb212f, AIWB212F_CMD_AT );
    error_flag = aiwb212f_rsp_check( AIWB212F_RSP_OK );
    aiwb212f_error_check( error_flag );

    // Restart device
    aiwb212f_send_cmd( &aiwb212f, AIWB212F_CMD_AT_SW_RESET );
    error_flag = aiwb212f_rsp_check( AIWB212F_RSP_READY );
    aiwb212f_error_check( error_flag );

    aiwb212f_configure_for_example( );

    log_info( &logger, " Application Task " );
}

Application Task

Depending on the selected demo example, it sends a TCP/UDP echo server message and receives it or creates BLE Client which receives the messages from the connected device.

void application_task ( void ) 
{
    aiwb212f_example( );
}

Note

We have used the BLE Scanner Android application for the BLE Example test and you can find it at the link: https://play.google.com/store/apps/details?id=com.macdom.ble.blescanner

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.AiWB212F

Additional notes and informations

Depending on the development board you are using, you may need USB UART Click, USB UART 2 Click or RS232 Click to connect to your PC, for development systems with no UART to USB interface available on the board. UART terminal is available in all MikroElektronika compilers.