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mikroSDK Library

MUX 3 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.16

mikroSDK Library: 2.0.0.0

Category: DAC

Downloaded: 294 times

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License: MIT license  

MUX 3 Click is the general purpose multiplexer which offers multiplexing one input channel to eight single-ended output channels.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


MUX 3 Click

MUX 3 Click is the general purpose multiplexer which offers multiplexing one input channel to eight single-ended output channels.

mux3_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Feb 2020.
  • Type : GPIO type

Software Support

We provide a library for the Mux3 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 Mux3 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void mux3_cfg_setup ( mux3_cfg_t *cfg );

  • Initialization function.

    MUX3_RETVAL mux3_init ( mux3_t ctx, mux3_cfg_t cfg );

Example key functions :

  • Set active MUX channel function

    void mux3_set_channel ( mux3_t *ctx, uint8_t select_channel );

Examples Description

This application sets multiplexing one input channel to eight single-ended output channels.

The demo application is composed of two sections :

Application Init

Initialization driver enable's - GPIO, also write log.


void application_init ( void )
{
    log_cfg_t log_cfg;
    mux3_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.

    mux3_cfg_setup( &cfg );
    MUX3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    mux3_init( &mux3, &cfg );
}

Application Task

This is an example which demonstrates the use of MUX 3 Click board. Sets the current active and changes the channel every 1 sec. Results are being sent to the Usart Terminal where you can track their changes. All data logs write on Usart Terminal changes for every 1 sec.


void application_task ( void )
{
    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S1 );
    log_printf( &logger, "Active channel: S1\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S2 );
    log_printf( &logger, "Active channel: S2\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S3 );
    log_printf( &logger, "Active channel: S3\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S4 );
    log_printf( &logger, "Active channel: S4\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S5 );
    log_printf( &logger, "Active channel: S5\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S6 );
    log_printf( &logger, "Active channel: S6\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S7 );
    log_printf( &logger, "Active channel: S7\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_ENABLE_CHANNEL_S8 );
    log_printf( &logger, "Active channel: S8\r\n" );
    Delay_1sec( );

    mux3_set_channel( &mux3, MUX3_DISABLE_ALL_CHANNELS );
    log_printf( &logger, "Active channel: none\r\n" );
    log_printf( &logger, "-------------------\r\n" );
    Delay_1sec( );
}  

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.Mux3

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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