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mikroSDK Library

2x30W Amp Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.22

mikroSDK Library: 2.0.0.0

Category: Amplifier

Downloaded: 266 times

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License: MIT license  

2x30W Amp Click is a class-D audio amplifier with a tremendous output power, considering its size and lack of huge heatsinks, usually associated with the audio amplifiers.

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  • mikroSDK Library 1.0.0.0
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2x30W Amp Click

2x30W Amp Click is a class-D audio amplifier with a tremendous output power, considering its size and lack of huge heatsinks, usually associated with the audio amplifiers.

2x30wamp_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : GPIO type

Software Support

We provide a library for the c2x30wAmp 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 form compilers IDE(recommended way), or downloaded from our LibStock, or found on mikroE github account.

Library Description

This library contains API for c2x30wAmp Click driver.

Standard key functions :

  • Config Object Initialization function.

    void c2x30wamp_cfg_setup ( c2x30wamp_cfg_t *cfg );

  • Initialization function.

    C2X30WAMP_RETVAL c2x30wamp_init ( c2x30wamp_t ctx, c2x30wamp_cfg_t cfg );

Example key functions :

  • Device Enable function

    void c2x30wamp_enable ( c2x30wamp_t *ctx, uint8_t state );

  • Device Mute function

    void c2x30wamp_mute ( c2x30wamp_t *ctx, uint8_t state );

  • Diagnostic Check function

    uint8_t c2x30wamp_check_diagnostic ( c2x30wamp_t *ctx );

Examples Description

This application is audio amplifier.

The demo application is composed of two sections :

Application Init

Initializes GPIO driver and enables the device.


void application_init ( void )
{
    log_cfg_t log_cfg;
    c2x30wamp_cfg_t cfg;

    /** 
     * 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.

    c2x30wamp_cfg_setup( &cfg );
    C2X30WAMP_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    c2x30wamp_init( &c2x30wamp, &cfg );

    c2x30wamp_enable( &c2x30wamp, C2X30WAMP_ENABLE );
    log_printf( &logger, "2x30W AMP is initialized \r\n" );
    Delay_ms ( 200 );
}

Application Task

Mute output for a period of 3 seconds, then keep it unmuted for a period of 10 seconds. After that, checks if over current fault, over temperature fault or too high DC offset fault occurred.


void application_task ( void )
{
    c2x30wamp_mute( &c2x30wamp, C2X30WAMP_MUTE );
    log_printf( &logger, "---------------------- \r\n" );
    log_printf( &logger, "MUTE \r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    c2x30wamp_mute( &c2x30wamp, C2X30WAMP_UNMUTE );
    log_printf( &logger, "---------------------- \r\n" );
    log_printf( &logger, "UNMUTE \r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    uint8_t fault_check = c2x30wamp_check_diagnostic( &c2x30wamp );

    if ( fault_check == 0 )
    {
        log_printf( &logger, "Fault condition! \r\n" );
    }
} 

Note

When under or over voltage condition occurres the output goes to high impedance state, but the FAULT pin will not be asserted.

The full application code, and ready to use projects can be installed directly form compilers IDE(recommneded) or found on LibStock page or mikroE GitHub accaunt.

Other mikroE Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.2x30wAmp

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. The terminal available in all Mikroelektronika compilers, or any other terminal application of your choice, can be used to read the message.


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