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mikroSDK Library

Rec N Play 2 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.2

mikroSDK Library: 2.0.0.0

Category: Signal processing

Downloaded: 57 times

Not followed.

License: MIT license  

Rec&Play 2 Click is a compact add-on board for voice recording and playback applications. It is based on the ISD1616B, a single-message voice record and playback IC from Nuvoton. The board features an on-chip oscillator, a microphone preamplifier with Automatic Gain Control (AGC), an omnidirectional microphone, and a speaker driver for high-quality audio recording and playback. Voice data is stored in onboard Flash memory without digital compression, ensuring clear and reliable sound. It supports both manual and digital control, as well as flexible message durations from 10 to 26 seconds.

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mikroSDK Library Blog


Rec N Play 2 Click

Rec&Play 2 Click is a compact add-on board for voice recording and playback applications. It is based on the ISD1616B, a single-message voice record and playback IC from Nuvoton. The board features an on-chip oscillator, a microphone preamplifier with Automatic Gain Control (AGC), an omnidirectional microphone, and a speaker driver for high-quality audio recording and playback. Voice data is stored in onboard Flash memory without digital compression, ensuring clear and reliable sound. It supports both manual and digital control, as well as flexible message durations from 10 to 26 seconds.

recplay2_click.png

Click Product page


Click library

  • Author : Stefan Ilic
  • Date : Jan 2024.
  • Type : GPIO type

Software Support

We provide a library for the Rec N Play 2 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 Rec N Play 2 Click driver.

Standard key functions :

  • recnplay2_cfg_setup Config Object Initialization function.

    void recnplay2_cfg_setup ( recnplay2_cfg_t *cfg );
  • recnplay2_init Initialization function.

    err_t recnplay2_init ( recnplay2_t *ctx, recnplay2_cfg_t *cfg );
  • recnplay2_default_cfg Click Default Configuration function.

    void recnplay2_default_cfg ( recnplay2_t *ctx );

Example key functions :

  • recnplay2_set_pl_pin This function sets the PL pin on the selected level of Rec N Play 2 Click board.

    void recnplay2_set_pl_pin ( recnplay2_t *ctx, uint8_t pin_state );
  • recnplay2_record_sound This function is used to record sound with Rec N Play 2 Click board.

    err_t recnplay2_record_sound ( recnplay2_t *ctx, uint16_t rec_len );
  • recnplay2_play_sound This function is used to play recorded sounds with Rec N Play 2 Click board.

    err_t recnplay2_play_sound ( recnplay2_t *ctx, uint16_t play_len );

Example Description

This example demonstrates the use of Rec N Play 2 Click board by recording and then playing recorded sound.

The demo application is composed of two sections :

Application Init

Initializes the driver, performs the Click default configuration.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    recnplay2_cfg_t recnplay2_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.
    recnplay2_cfg_setup( &recnplay2_cfg );
    RECNPLAY2_MAP_MIKROBUS( recnplay2_cfg, MIKROBUS_1 );
    if ( DIGITAL_OUT_UNSUPPORTED_PIN == recnplay2_init( &recnplay2, &recnplay2_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    recnplay2_default_cfg ( &recnplay2 );

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

Application Task

Recording sound for 5 seconds, then playing it back.

void application_task ( void ) 
{
    log_printf( &logger, " Recording... \r\n" );
    recnplay2_record_sound( &recnplay2, RECORDING_LEN );
    Delay_ms ( 1000 );

    log_printf( &logger, " Playing... \r\n" );
    recnplay2_play_sound( &recnplay2, RECORDING_LEN );
    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.RecNPlay2

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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