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mikroSDK Library

ADC 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: ADC

Downloaded: 229 times

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License: MIT license  

ADC 3 Click represent 16-bit multichannel analog-to-digital converter. The Click has four pairs of screw terminals onboard, letting you access the chip’s four differential input channels.

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  • mikroSDK Library 1.0.0.0
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ADC 3 Click

ADC 3 Click represent 16-bit multichannel analog-to-digital converter. The Click has four pairs of screw terminals onboard, letting you access the chip’s four differential input channels.

adc3_click.png

Click Product page


Click library

  • Author : Mihajlo Djordjevic
  • Date : Dec 2019.
  • Type : I2C type

Software Support

We provide a library for the Adc3 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 Adc3 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void adc3_cfg_setup ( adc3_cfg_t *cfg );

  • Initialization function.

    ADC3_RETVAL adc3_init ( adc3_t ctx, adc3_cfg_t cfg );

  • Click Default Configuration function.

    void adc3_default_cfg ( adc3_t *ctx );

Example key functions :

  • This function is used to initiate general call reset.

    void adc3_default_cfg ( adc3_t *ctx );

  • This function is used to read ADC value and calculate voltage.

    float adc3_read_voltage ( adc3_t *ctx, uint8_t channel, uint8_t resolution, uint8_t gain );

Examples Description

ADC 3 example code shows usage of analog-to-digital converter.

The demo application is composed of two sections :

Application Init

Application Init performs Logger and Click initialization.


void application_init ( void )
{
    log_cfg_t log_cfg;
    adc3_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_printf( &logger, "--------------------------\r\n" );
    log_printf( &logger, "     Application  Init\r\n" );
    Delay_ms ( 100 );

    //  Click initialization.

    adc3_cfg_setup( &cfg );
    ADC3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    adc3_init( &adc3, &cfg );

    log_printf( &logger, "--------------------------\r\n" );
    log_printf( &logger, " ------ ADC 3 Click ----- \r\n" );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 1000 );

    adc3_default_cfg( &adc3 );
    Delay_ms ( 100 );

    log_printf( &logger, " -- Initialization done --\r\n" );
    log_printf( &logger, "--------------------------\r\n" );
    Delay_ms ( 1000 );
}

Application Task

This is an example that shows the capabilities of the ADC 3 Click by taking voltage measurements from all four channel. Results are being sent to the UART Terminal where you can track their changes. All data logs write on USB UART and changes for every 1 sec.


void application_task ( void )
{
    read_volt = adc3_read_voltage( &adc3, ADC3_SELECT_CHANNEL_1, ADC3_SAMPLE_RATE_12, ADC3_PGA_GAIN_X1 );
    Delay_ms ( 100 );
    log_printf( &logger, "Channel 1 : %0.2f  V \r\n", read_volt );

    read_volt = adc3_read_voltage( &adc3, ADC3_SELECT_CHANNEL_2, ADC3_SAMPLE_RATE_12, ADC3_PGA_GAIN_X1 );
    Delay_ms ( 100 );
    log_printf( &logger, "Channel 2 : %0.2f  V \r\n", read_volt );

    read_volt = adc3_read_voltage( &adc3, ADC3_SELECT_CHANNEL_3, ADC3_SAMPLE_RATE_12, ADC3_PGA_GAIN_X1 );
    Delay_ms ( 100 );
    log_printf( &logger, "Channel 3 : %0.2f  V \r\n", read_volt );

    read_volt = adc3_read_voltage( &adc3, ADC3_SELECT_CHANNEL_4, ADC3_SAMPLE_RATE_12, ADC3_PGA_GAIN_X1 );
    Delay_ms ( 100 );
    log_printf( &logger, "Channel 4 : %0.2f  V \r\n", read_volt );

    log_printf( &logger, "--------------------------\r\n" );
    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.Adc3

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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