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mikroSDK Library

DSP Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.15

mikroSDK Library: 2.0.0.0

Category: Signal processing

Downloaded: 301 times

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License: MIT license  

DSP Click is a compact add-on board that contains a multi-effects digital signal processor. This board features the V1000, a complete multi-effects audio DSP with ultra-high quality audio performance in a rapid ‘time-to-market’ solution from Coolaudio. The V1000 includes its integrated RAM with 16 built-in multi-effects and reverb controlled via I/O pins or I2C interface. Combined with a low-cost A/D-D/A codec like the V4220, this Click board™ provides an ultra-low cost FX solution. This Click board™ is suitable for applications as a standalone audio player, PC accessories, and Hi-Tech toys, conventional consumer electronic devices, and many more.

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mikroSDK Library Blog


DSP Click

DSP Click is a compact add-on board that contains a multi-effects digital signal processor. This board features the V1000, a complete multi-effects audio DSP with ultra-high quality audio performance in a rapid ‘time-to-market’ solution from Coolaudio. The V1000 includes its integrated RAM with 16 built-in multi-effects and reverb controlled via I/O pins or I2C interface. Combined with a low-cost A/D-D/A codec like the V4220, this Click board™ provides an ultra-low cost FX solution.

dsp_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Nov 2020.
  • Type : GPIO type

Software Support

We provide a library for the Dsp 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 Dsp Click driver.

Standard key functions :

Config Object Initialization function.

void dsp_cfg_setup ( dsp_cfg_t *cfg );

Initialization function.

err_t dsp_init ( dsp_t *ctx, dsp_cfg_t *cfg );

Click Default Configuration function.

void dsp_default_cfg ( dsp_t *ctx );

Example key functions :

DSP reverb and multi-effects setting function.

dsp_retval_t dsp_set_effect ( dsp_t *ctx, uint8_t effects );

DSP power on the device function.

void dsp_power_on ( dsp_t *ctx );

DSP reset the device function.

void dsp_reset ( dsp_t *ctx );

Examples Description

This application controls reverb and multi-effects Digital Multi-Effects DSP provides different sound performance of the DSP Click.

The demo application is composed of two sections :

Application Init

Initializes GPIO driver, set the default configuration and start to write log.

void application_init ( void ) {
    log_cfg_t log_cfg;  /**< Logger config object. */
    dsp_cfg_t dsp_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_printf( &logger, "\r\n" );
    log_info( &logger, " Application Init " );

    // Click initialization.

    dsp_cfg_setup( &dsp_cfg );
    DSP_MAP_MIKROBUS( dsp_cfg, MIKROBUS_1 );
    if ( dsp_init( &dsp, &dsp_cfg ) == DIGITAL_OUT_UNSUPPORTED_PIN ) {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }
    dsp_default_cfg ( &dsp );   
    log_info( &logger, " Application Task \r\n" );
    Delay_ms ( 100 );

    log_printf( &logger, "-------------------------------\r\n" );
    log_printf( &logger, "           DSP Click           \r\n" );
    log_printf( &logger, "-------------------------------\r\n" );
    log_printf( &logger, "     Digital Multi-Effects     \r\n" );
}

Application Task

This is an example that shows the use of a DSP Click board. In this example, we change different sound effects such as multiple reverbs, echo, phaser, chorus, flanger, etc. every 10 sec. Results are being sent to the Usart Terminal where you can track their changes.

void application_task ( void ) {
    log_printf( &logger, "-------------------------------\r\n" );
    dsp_set_effect( &dsp, effects );
    display_effects( );

    effects++;
    if ( effects > DSP_SET_EFFECT_DELAY1 ) {
        effects = DSP_SET_EFFECT_MEDIUM;
    }

    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 );  
}

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.Dsp

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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