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mikroSDK Library

3D Hall 7 click

Rating:

5

Author: MIKROE

Last Updated: 2019-06-27

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Magnetic

Downloaded: 3350 times

Not followed.

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 2.0.0.0
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mikroSDK Library Blog

3D Hall 7 click

3D Hall 7 click

Native view of the 3D Hall 7 click board.

View full image
3D Hall 7 click

3D Hall 7 click

Front and back view of the 3D Hall 7 click board.

View full image

Library Description

The library initializes and defines the I2C bus or SPI bus driver and drivers that offer a choice for writing data in register and reads data from register. The library includes function for read magnetics X/Y/Z axis data, configuration device, reads interrupt states and device info(company ID and device ID).

Key functions:

  • void c3dhall7_getAxisData( T_C3DHALL7_AXIS *axis) - Get Axis data.
  • void c3dhall7_configuration(uint8_t reg, uint16_t dataIn) - Configuration function.

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes I2C or SPI module and all the necessary GPIO pins.
  • Application Initialization - Initializes driver init, test communication and configuration device for measurement.
  • Application Task - Reads 3 Axis of the magnetic sensor and logs this data to USBUART every 500ms.
void applicationTask()
{
    char demoText[ 50 ];
    
    c3dhall7_getAxisData(&axis);
    
    mikrobus_logWrite("---- Measurement data of magnetic sensor ----", _LOG_LINE);
    IntToStr(axis.x, demoText);
    mikrobus_logWrite("** X axis: ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    IntToStr(axis.y, demoText);
    mikrobus_logWrite("** Y axis: ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    IntToStr(axis.z, demoText);
    mikrobus_logWrite("** Z axis: ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    mikrobus_logWrite("---------------------------------------------", _LOG_LINE);
    Delay_ms( 500 );
}

Other mikroE Libraries used in the example:

  • SPI Library
  • I2C Library
  • UART Library
  • Conversions Library

Additional notes and informations

Depending on the development board you are using, you may need USB UART clickUSB 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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