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mikroSDK Library

ADC 4 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.22

mikroSDK Library: 2.0.0.0

Category: ADC

Downloaded: 501 times

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License: MIT license  

ADC 4 Click is an advanced analog to digital multichannel converter, which can sample inputs from 16 single-ended channels or 8 differential input channel pairs.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


ADC 4 Click

ADC 4 Click is an advanced analog to digital multichannel converter, which can sample inputs from 16 single-ended channels or 8 differential input channel pairs.

adc4_click.png

Click Product page


Click library

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

Software Support

We provide a library for the Adc4 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 Adc4 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void adc4_cfg_setup ( adc4_cfg_t *cfg );

  • Initialization function.

    ADC4_RETVAL adc4_init ( adc4_t ctx, adc4_cfg_t cfg );

  • Click Default Configuration function.

    void adc4_default_cfg ( adc4_t *ctx );

Example key functions :

  • Error check function

    uint8_t adc4_get_err_pin ( adc4_t *ctx );

  • Get configuration function

    void adc4_get_config ( adc4_t ctx, uint8_t reg_address, uint16_t value );

  • Get voltage function

    uint16_t adc4_get_voltage ( adc4_t *ctx, const float ref_voltage );

Examples Description

This application is a converter from analog to digital multichannel

The demo application is composed of two sections :

Application Init

Initializes ADC 4 driver and setups working mode.


void application_init ( void )
{
    log_cfg_t log_cfg;
    adc4_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.

    adc4_cfg_setup( &cfg );
    ADC4_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    adc4_init( &adc4, &cfg );

    Delay_ms ( 100 );

    adc4_default_cfg( &adc4 );

    voltage = 0;
}

Application Task

Sequential read of voltage. Information about current voltage is logget to UART. Operation is repeated each second. Settings are set to calculate and convert input voltage from CH0 with external referent voltage set by VREF jumper on the Click board.


void application_task ( )
{
    voltage = adc4_get_voltage( &adc4, ADC4_VREF_4000MV);

    if ( adc4.sing_bit == 1 )
    {
        log_printf( &logger, "Voltage at CH0 : %d mV \r\n", voltage );
    }
    else
    {
        log_printf( &logger, "Voltage at CH0 : - %d mV \r\n", voltage );
    }

    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.Adc4

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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