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mikroSDK Library

3D Hall 3 click

Rating:

5

Author: MIKROE

Last Updated: 2019-02-19

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Magnetic

Downloaded: 3656 times

Not followed.

License: MIT license  

3D Hall 3 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 3 click

3D Hall 3 click

Native view of the 3D Hall 3 click board.

View full image
3D Hall 3 click

3D Hall 3 click

Front and back view of the 3D Hall 3 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 registers and reading data from registers. The library includes function for read X/Y/Z axis data, set offset, read interrupt state. The user also has the function for configuration chip.

Key functions:

  • void c3dhall3_readXYZ( int16_t *OUT_XYZ ) - Reading X Y Z - axes values
  • void c3dhall3_configuration( void ) - Click default configuration
  • void c3dhall3_writeOffset(uint8_t axis, uint16_t offset ) - Writing X Y or Z-axis offset

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes I2C communication, INT pin as input, RST pin as output and CS pin as output
  • Application Initialization - Initializes I2C driver and 3D Hall 3 to basic settings
  • Application Task - Reads and logs XYZ axes values
void applicationTask( )
{
    c3dhall3_readXYZ( &axes_xyz[0] );

    mikrobus_logWrite( " X:", _LOG_TEXT );
    IntToStr( axes_xyz[0], text );
    mikrobus_logWrite( text, _LOG_TEXT );
    mikrobus_logWrite( " Y:", _LOG_TEXT );
    IntToStr( axes_xyz[1], text );
    mikrobus_logWrite( text, _LOG_TEXT );
    mikrobus_logWrite( " Z:", _LOG_TEXT );
    IntToStr( axes_xyz[2], text );
    mikrobus_logWrite( text, _LOG_LINE );
    
    Delay_ms(100);
}

Other mikroE Libraries used in the example:

  • I2C
  • SPI
  • UART

Additional notes and information

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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