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mikroSDK Library

DAC 6 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.14

mikroSDK Library: 2.0.0.0

Category: DAC

Downloaded: 194 times

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License: MIT license  

DAC 6 Click is a compact add-on board that contains a fully-featured, general-purpose voltage-output digital-to-analog converter.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


DAC 6 Click

DAC 6 Click is a compact add-on board that contains a fully-featured, general-purpose voltage-output digital-to-analog converter.

dac6_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : jul 2020.
  • Type : SPI type

Software Support

We provide a library for the Dac6 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 Dac6 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void dac6_cfg_setup ( dac6_cfg_t *cfg );

  • Initialization function.

    DAC6_RETVAL dac6_init ( dac6_t ctx, dac6_cfg_t cfg );

Example key functions :

  • Function is used to set operation mode output channel and level.

    float dac6_set_output ( dac6_t *ctx );

  • Sends 16-bit data to the device's input shift register.

    void dac6_write_data ( dac6_t *ctx, uint16_t wr_data );

Examples Description

DAC 6 Click carries 12-bit buffered Digital-to-Analog Converter. It converts digital value to the corresponding voltage level using external voltage reference.

The demo application is composed of two sections :

Application Init

Initalizes SPI driver.


void application_init ( void )
{
    log_cfg_t log_cfg;
    dac6_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.

    dac6_cfg_setup( &cfg );
    DAC6_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    dac6_init( &dac6, &cfg );
}

Application Task

This example shows capabilities of DAC 6 Click by changeing output values from 0 to the maximum output range on all four channels. Output voltage is calculated by using the equation : Vout = Vrefin * (set_out / 4095).


void application_task ( void )
{
    for ( n_cnt = 0; n_cnt < 4096; n_cnt += 315 )
    {
        dac6.chan    = DAC6_CHANNEL_A;
        dac6.op_mod  = DAC6_WRITE_SPEC_UPDATE_OUTPUT;
        dac6.v_ref   = DAC6_V_REF_2048;
        dac6.set_out = n_cnt;

        v_out = dac6_set_output( &dac6 );

        log_printf( &logger, " Channel  A : VOUT ~ %.2f mV\r\n", v_out );
        log_printf( &logger, "--------------------\r\n" );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
    }

    for ( n_cnt = 0; n_cnt < 4096; n_cnt += 315 )
    {
        dac6.chan    = DAC6_CHANNEL_B;
        dac6.op_mod  = DAC6_WRITE_SPEC_UPDATE_OUTPUT;
        dac6.v_ref   = DAC6_V_REF_2048;
        dac6.set_out = n_cnt;

        v_out = dac6_set_output( &dac6 );

        log_printf( &logger, " Channel  B : VOUT ~ %.2f mV\r\n", v_out );
        log_printf( &logger, "--------------------\r\n" );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
    }

    for ( n_cnt = 0; n_cnt < 4096; n_cnt += 315 )
    {
        dac6.chan    = DAC6_CHANNEL_C;
        dac6.op_mod  = DAC6_WRITE_SPEC_UPDATE_OUTPUT;
        dac6.v_ref   = DAC6_V_REF_2048;
        dac6.set_out = n_cnt;

        v_out = dac6_set_output( &dac6 );

        log_printf( &logger, " Channel  C : VOUT ~ %.2f mV\r\n", v_out );
        log_printf( &logger, "--------------------\r\n" );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
        Delay_ms ( 1000 );
    }

    for ( n_cnt = 0; n_cnt < 4096; n_cnt += 315 )
    {
        dac6.chan    = DAC6_CHANNEL_D;
        dac6.op_mod  = DAC6_WRITE_SPEC_UPDATE_OUTPUT;
        dac6.v_ref   = DAC6_V_REF_2048;
        dac6.set_out = n_cnt;

        v_out = dac6_set_output( &dac6 );

        log_printf( &logger, " Channel  D : VOUT ~ %.2f mV\r\n", v_out );
        log_printf( &logger, "--------------------\r\n" );
        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 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.Dac6

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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