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mikroSDK Library

Hall Current 9 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.17

mikroSDK Library: 2.0.0.0

Category: Current sensor

Downloaded: 310 times

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License: MIT license  

Hall Current 9 Click is a compact add-on board that contains the coreless current sensor corresponding to the safety standards. This board features the CQ3300, a high-speed response coreless current sensor using a Hall sensor that outputs the analog voltage proportional to the AC/DC from AKM Semiconductor.

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mikroSDK Library Blog


Hall Current 9 Click

Hall Current 9 Click is a compact add-on board that contains the coreless current sensor corresponding to the safety standards. This board features the CQ3300, a high-speed response coreless current sensor using a Hall sensor that outputs the analog voltage proportional to the AC/DC from AKM Semiconductor.

hall_current_9_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : Dec 2020.
  • Type : I2C type

Software Support

We provide a library for the HallCurrent9 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 Hall Current 9 Click driver.

Standard key functions :

  • hallcurrent9_cfg_setup Config Object Initialization function.

    void hallcurrent9_cfg_setup ( hallcurrent9_cfg_t *cfg );
  • hallcurrent9_init Initialization function.

    HALLCURRENT9_RETVAL hallcurrent9_init ( hallcurrent9_t *ctx, hallcurrent9_cfg_t *cfg );
  • hallcurrent9_default_cfg Click Default Configuration function.

    void hallcurrent9_default_cfg ( hallcurrent9_t *ctx );

Example key functions :

  • hallcurrent9_read_adc Hall Current 9 I2C ADC reading function.

    err_t hallcurrent9_read_adc ( hallcurrent9_t *ctx, uint16_t *read_adc );
  • hallcurrent9_set_calibration Hall Current 9 set calibration function.

    err_t hallcurrent9_set_calibration ( hallcurrent9_t *ctx, hallcurrent9_calibration_data_t *adc_val );
  • hallcurrent9_get_current Hall Current 9 get current function.

    float hallcurrent9_get_current ( hallcurrent9_t *ctx, hallcurrent9_calibration_data_t *adc_val );

Examples Description

This library contains API for Hall Current 9 Click driver. The library contains drivers for measuring ADC values and for calculation current.

The demo application is composed of two sections :

Application Init

Initializes I2C driver and triggers the built-in calibration.

void application_init ( void ) {
    log_cfg_t log_cfg;                    /**< Logger config object. */
    hallcurrent9_cfg_t hallcurrent9_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_printf( &logger, "\r\n" );
    log_printf( &logger, "--------------------------\r\n" );
    log_printf( &logger, "   Hall Current 9 Click   \r\n" );
    log_printf( &logger, "--------------------------\r\n" );
    log_info( &logger, " Application Init " );

    // Click initialization.

    hallcurrent9_cfg_setup( &hallcurrent9_cfg );
    HALLCURRENT9_MAP_MIKROBUS( hallcurrent9_cfg, MIKROBUS_1 );
    err_t init_flag = hallcurrent9_init( &hallcurrent9, &hallcurrent9_cfg );
    if ( init_flag == I2C_MASTER_ERROR ) {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    log_printf( &logger, "---------------------------\r\n" );
    log_printf( &logger, "        Calibration        \r\n" );
    log_printf( &logger, "- - - - - - - - - - - - - -\r\n" );
    log_printf( &logger, "> Turn OFF the Power unit <\r\n" );
    log_printf( &logger, "- - - - - - - - - - - - - -\r\n" );
    log_printf( &logger, "  In the following 5 sec.  \r\n" );
    log_printf( &logger, " turn OFF the Power Supply \r\n" );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );

    log_printf( &logger, "-------------------------\r\n" );
    log_printf( &logger, "    Start calibration    \r\n" );

    if ( hallcurrent9_set_calibration( &hallcurrent9, &avg_adc_data ) == HALLCURRENT9_OK ) {
        log_printf( &logger, "---------------------------\r\n" );
        log_printf( &logger, "    Calibration  Done    \r\n" );
        Delay_ms ( 1000 );    
    }

    log_printf( &logger, "---------------------------\r\n" );
    log_printf( &logger, "    Start measurements :   \r\n" );
    log_printf( &logger, "---------------------------\r\n" );
}

Application Task

This is an example that demonstrates the use of the Hall Current 9 Click board. In this example, we read and display the ADC and current ( mA ) data. Results are being sent to the Usart Terminal where you can track their changes.

void application_task ( void ) {   
    log_printf( &logger, "--------------------------\r\n", adc_data );
    hallcurrent9_read_adc( &hallcurrent9, &adc_data );
    log_printf( &logger, "   ADC     : %d \r\n", adc_data );

    current = hallcurrent9_get_current( &hallcurrent9, &avg_adc_data );
    log_printf( &logger, "   Current : %.2f mA \r\n", current );
    Delay_ms ( 1000 );
    Delay_ms ( 1000 );
}

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.HallCurrent9

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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