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mikroSDK Library

3D Hall 7 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.19

mikroSDK Library: 2.0.0.0

Category: Magnetic

Downloaded: 209 times

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License: MIT license  

3D Hall 7 Click is a very accurate, magnetic field sensing Click board™, used to measure the intensity of the magnetic field across three perpendicular axes.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


3D Hall 7 Click

3D Hall 7 Click is a very accurate, magnetic field sensing Click board™, used to measure the intensity of the magnetic field across three perpendicular axes.

3dhall7_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Nov 2019.
  • Type : I2C/SPI type

Software Support

We provide a library for the 3dHall7 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 3dHall7 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void c3dhall7_cfg_setup ( c3dhall7_cfg_t *cfg );

  • Initialization function.

    C3DHALL7_RETVAL c3dhall7_init ( c3dhall7_t ctx, c3dhall7_cfg_t cfg );

  • Click Default Configuration function.

    void c3dhall7_default_cfg ( c3dhall7_t *ctx );

Example key functions :

  • Get Axis data function.

    void c3dhall7_get_axis_data( c3dhall7_t ctx, T_C3DHALL7_AXIS axis)

  • Measurement status function.

    void c3dhall7_get_status ( c3dhall7_t ctx, T_C3DHALL7_STATUS status );

  • Measurement status function.

    void c3dhall7_get_status ( c3dhall7_t ctx, T_C3DHALL7_STATUS status );

Examples Description

Read magnet positions.

The demo application is composed of two sections :

Application Init

Initializes driver init, test communication and configuration device for measurement.


void application_init ( c3dhall7_t *ctx, void )
{
    c3dhall7_dev_info_t info;

    log_cfg_t log_cfg;
    c3dhall7_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.

    c3dhall7_cfg_setup( &cfg );
    C3DHALL7_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    c3dhall7_init( &c3dhall7, &cfg );

    c3dhall7_device_reset( &c3dhall7 );
    Delay_ms ( 1000 );
    c3dhall7_read_data( &c3dhall7, 0x01, &red_data, 1 );

    Delay_100ms( );

    for ( ; ; );
    // Test communication 
    c3dhall7_deviceInfo( &info );
    if ( info.device_id == C3DHALL7_DEVICE_ID )
    {
        mikrobus_logW_write( "---- Communication [ OK ]!!! ----", LOG_LINE );
    }
    else
    {
        mikrobus_log_write( "---- Communication [ ERROR ]!!! ----", LOG_LINE );

        for ( ; ; );
    }

    // Configuration 

    c3dhall7_default_cfg ( &c3dhall7 );
}

Application Task

Reads 3 Axis of the magnetic sensor and logs this data to USBUART every 500ms.


void application_task ( void )
{
    c3dhall7_axix_t axis;

    char demo_text[ 50 ];

    c3dhall7_get_axis_data( &axis );

    mikrobus_log_write( "---- Measurement data of magnetic sensor ----", LOG_LINE );

    log_printf( &logger, "X axis: %d \r\n", axis.x );

    log_printf( &logger, "Y axis: %d \r\n", axis.y );

    log_printf( &logger, "Z axis: %d \r\n", axis.z );

    mikrobus_log_write( "---------------------------------------------", LOG_LINE);
    Delay_ms ( 500 );
}

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.3dHall7

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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