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mikroSDK Library

Current 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: Current sensor

Downloaded: 266 times

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License: MIT license  

Current Click is an add-on board used for measurement of electric current. It features INA196 current shunt monitor, MCP3201 12-bit ADC, MAX6106 voltage reference as well as two screw terminals.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Current Click

Current Click is an add-on board used for measurement of electric current. It features INA196 current shunt monitor, MCP3201 12-bit ADC, MAX6106 voltage reference as well as two screw terminals.

current_click.png

Click Product page


Click library

  • Author : Jovan Stajkovic
  • Date : Dec 2019.
  • Type : SPI type

Software Support

We provide a library for the Current 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 Current Click driver.

Standard key functions :

  • Config Object Initialization function.

    void current_cfg_setup ( current_cfg_t *cfg );

  • Initialization function.

    CURRENT_RETVAL current_init ( current_t ctx, current_cfg_t cfg );

Example key functions :

  • Function is used to calculate current in mA.

    float current_get_current_data ( current_t *ctx, float r_hunt );

Examples Description

This is an example that shows the capabilities of the Current Click board by measuring current in miliampers. Current Click board can be used to safely measure DC current in the range of 2-2048mA depending on shunt resistor.

The demo application is composed of two sections :

Application Init

Initalizes SPI, LOG and Click drivers.


void application_init ( void )
{
    log_cfg_t log_cfg;
    current_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.

    current_cfg_setup( &cfg );
    CURRENT_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    current_init( &current, &cfg );
    log_printf( &logger, "-----------------------\r\n" );
    log_printf( &logger, "    Current  Click     \r\n" );
    log_printf( &logger, "-----------------------\r\n" );
}

Application Task

Measures DC current and displays the results on USB UART each second.


void application_task ( void )
{
    curr = current_get_current_data( &current, CURRENT_RSHUNT_0_05 );

    if ( curr == CURRENT_OUT_OF_RANGE )
    {
        log_printf( &logger, "Out of range!\r\n" );
    }
    else
    {
       log_printf( &logger, " Current: %.2f mA\r\n", curr );
    }

    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.Current

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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