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mikroSDK Library

ADC 17 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.11

mikroSDK Library: 2.0.0.0

Category: ADC

Downloaded: 229 times

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License: MIT license  

ADC 17 Click is a compact add-on board that contains a high-performance data converter. This board features the MAX11645, a low-power two-channel 12-bit analog-to-digital converter from Analog Devices. The MAX11645 measures two single-ended or one differential input. The fully differential analog inputs are software configurable (I2C interface) for unipolar or bipolar, and single-ended or differential operation. The 2.048V internal reference determines its full-scale analog input range. This Click board™ offers complete, high accuracy solutions for the most demanding applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more.

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mikroSDK Library Blog


ADC 17 Click

ADC 17 Click is a compact add-on board that contains a high-performance data converter. This board features the MAX11645, a low-power two-channel 12-bit analog-to-digital converter from Analog Devices. The MAX11645 measures two single-ended or one differential input. The fully differential analog inputs are software configurable (I2C interface) for unipolar or bipolar, and single-ended or differential operation. The 2.048V internal reference determines its full-scale analog input range. This Click board™ offers complete, high accuracy solutions for the most demanding applications from energy-harvesting sensors to portable consumer electronics, point-of-load monitoring (voltage, current, and temperature), and more.

adc17_click.png

Click Product page


Click library

  • Author : Stefan Filipovic
  • Date : Jan 2022.
  • Type : I2C type

Software Support

We provide a library for the ADC 17 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 ADC 17 Click driver.

Standard key functions :

  • adc17_cfg_setup Config Object Initialization function.

    void adc17_cfg_setup ( adc17_cfg_t *cfg );
  • adc17_init Initialization function.

    err_t adc17_init ( adc17_t *ctx, adc17_cfg_t *cfg );
  • adc17_default_cfg Click Default Configuration function.

    err_t adc17_default_cfg ( adc17_t *ctx );

Example key functions :

  • adc17_set_channel This function sets the selected channel active by modifying the config byte.

    err_t adc17_set_channel ( adc17_t *ctx, uint8_t channel );
  • adc17_get_voltage This function reads the voltage from the previously selected channel by using I2C serial interface.

    err_t adc17_get_voltage ( adc17_t *ctx, float *voltage );
  • adc17_write_setup_byte This function writes a setup byte to the ADC chip by using I2C serial interface.

    err_t adc17_write_setup_byte ( adc17_t *ctx, uint8_t setup_byte );

Example Description

This example demonstrates the use of ADC 17 Click board by reading the voltage from the two analog input channels.

The demo application is composed of two sections :

Application Init

Initializes the driver and performs the Click default configuration which sets the input channels to single-ended unipolar mode.


void application_init ( void )
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    adc17_cfg_t adc17_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.
    adc17_cfg_setup( &adc17_cfg );
    ADC17_MAP_MIKROBUS( adc17_cfg, MIKROBUS_1 );
    if ( I2C_MASTER_ERROR == adc17_init( &adc17, &adc17_cfg ) ) 
    {
        log_error( &logger, " Communication init." );
        for ( ; ; );
    }

    if ( ADC17_ERROR == adc17_default_cfg ( &adc17 ) )
    {
        log_error( &logger, " Default configuration." );
        for ( ; ; );
    }

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

Application Task

Reads and displays the voltage from the two analog input channels on the USB UART approximately every 500ms.

void application_task ( void )
{
    float voltage;
    if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_0 ) )
    {
        if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) )
        {
            log_printf ( &logger, " AIN0 voltage: %.3f V \r\n\n", voltage );
        }
    }
    if ( ADC17_OK == adc17_set_channel ( &adc17, ADC17_CHANNEL_1 ) )
    {
        if ( ADC17_OK == adc17_get_voltage ( &adc17, &voltage ) )
        {
            log_printf ( &logger, " AIN1 voltage: %.3f V \r\n\n", voltage );
        }
    }
    Delay_ms ( 500 );
}

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.ADC17

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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