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mikroSDK Library

AudioAMP 12 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.7

mikroSDK Library: 2.0.0.0

Category: Amplifier

Downloaded: 140 times

Not followed.

License: MIT license  

AudioAMP 12 Click is a compact add-on board that can reproduce input signals with desired volume and power levels at sound-producing output elements. This board features the TS2007FC, a filter-free class-D audio amplifier from STMicroelectronics. This amplifier can drive up to 1.4W into an 8Ω load at 5V, achieving better efficiency than a typical class AB audio power amplifier. In addition, it can drive up to 2.3W but into a 4Ω load at 3V and with a 1% THD+N at maximum.

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mikroSDK Library Blog


AudioAMP 12 Click

AudioAMP 12 Click is a compact add-on board that can reproduce input signals with desired volume and power levels at sound-producing output elements. This board features the TS2007FC, a filter-free class-D audio amplifier from STMicroelectronics. This amplifier can drive up to 1.4W into an 8Ω load at 5V, achieving better efficiency than a typical class AB audio power amplifier. In addition, it can drive up to 2.3W but into a 4Ω load at 3V and with a 1% THD+N at maximum.

audioamp12_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Jun 2023.
  • Type : GPIO type

Software Support

We provide a library for the AudioAMP 12 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 AudioAMP 12 Click driver.

Standard key functions :

  • audioamp12_cfg_setup Config Object Initialization function.

    void audioamp12_cfg_setup ( audioamp12_cfg_t *cfg );
  • audioamp12_init Initialization function.

    err_t audioamp12_init ( audioamp12_t *ctx, audioamp12_cfg_t *cfg );
  • audioamp12_default_cfg Click Default Configuration function.

    void audioamp12_default_cfg ( audioamp12_t *ctx );

Example key functions :

  • audioamp12_change_gain AudioAMP 12 changes the gain function.

    void audioamp12_change_gain ( audioamp12_t *ctx );
  • audioamp12_gain_select AudioAMP 12 select gain level function.

    void audioamp12_gain_select ( audioamp12_t *ctx, audioamp12_gain_select_t sel_gain );
  • audioamp12_set_mode_operation AudioAMP 12 set operation mode function.

    void audioamp12_set_mode_operation ( audioamp12_t *ctx );

Example Description

This example demonstrates the use of AudioAMP 12 Click board™. The library contains an API for switching between two gain settings and device control selection between operation and standby mode.

The demo application is composed of two sections :

Application Init

Initialization of GPIO module and log UART. After driver initialization, the app sets default settings performs a power-up sequence, and sets the sound volume to 6 dB.

void application_init ( void ) 
{
    log_cfg_t log_cfg;                  /**< Logger config object. */
    audioamp12_cfg_t audioamp12_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.
    audioamp12_cfg_setup( &audioamp12_cfg );
    AUDIOAMP12_MAP_MIKROBUS( audioamp12_cfg, MIKROBUS_1 );
    if ( DIGITAL_OUT_UNSUPPORTED_PIN == audioamp12_init( &audioamp12, &audioamp12_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    audioamp12_default_cfg ( &audioamp12 );
    log_info( &logger, " Application Task " );
}

Application Task

The app performs circles the volume switch between two gain settings, 6 dB or 12 dB, every 5 seconds. Results are being sent to the UART Terminal, where you can track their changes.

void application_task ( void ) 
{
    audioamp12_gain_select( &audioamp12, AUDIOAMP12_GAIN_6_DB );
    log_printf( &logger, " Gain set to 6 dB.\r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    audioamp12_gain_select( &audioamp12, AUDIOAMP12_GAIN_12_DB );
    log_printf( &logger, " Gain set to 12 dB.\r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

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.AudioAMP12

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.


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