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mikroSDK Library

LDC 1101 Click

Rating:

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.17

mikroSDK Library: 2.0.0.0

Category: Inductance

Downloaded: 560 times

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License: MIT license  

LDC1101 Click is an inductance-to-digital converter Click Board. It is designed for a range of different applications, based on the inductivity measurements.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


LDC 1101 Click

LDC1101 Click is an inductance-to-digital converter Click Board™. It is designed for a range of different applications, based on the inductivity measurements.

ldc1101_click.png

Click Product page


Click library

  • Author : Nenad Filipovic
  • Date : nov 2019.
  • Type : SPI type

Software Support

We provide a library for the Ldc1101 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 Ldc1101 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void ldc1101_cfg_setup ( ldc1101_cfg_t *cfg );

  • Initialization function.

    LDC1101_RETVAL ldc1101_init ( ldc1101_t ctx, ldc1101_cfg_t cfg );

  • Click Default Configuration function.

    void ldc1101_default_cfg ( ldc1101_t *ctx );

Example key functions :

  • Functions for reads RP data

    uint16_t ldc1101_get_rp_data ( ldc1101_t *ctx );

  • Functions for reads L data

    uint16_t ldc1101_get_l_data ( ldc1101_t *ctx );

  • Functions for get interrupt pin status

    uint8_t ldc1101_get_interrupt( ldc1101_t *ctx );

Examples Description

Example demonstrates measurement of inductance change depending on the linear motion of the metal object. Induction of the linear metal position depends on the type of metal and the configuration.

The demo application is composed of two sections :

Application Init

Initializes I2C module and sets CS pin as OUTPUT and PWM and INT pin sa INPUT. Driver intialization, standard configurations and start measurement.

void application_init ( void )
{
    log_cfg_t log_cfg;
    ldc1101_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.

    ldc1101_cfg_setup( &cfg );
    LDC1101_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    ldc1101_init( &ldc1101, &cfg );

    log_printf( &logger, "     LDC1101 Click\r\n" );
    log_printf( &logger, "------------------------\r\n" );

    ldc1101_default_cfg ( &ldc1101 );
    Delay_ms ( 100 );
}

Application Task

Reads RP data and logs data to USBUART every 1 sec.

void application_task ( void )
{
    uint16_t rp_data;

    rp_data = ldc1101_get_rp_data( &ldc1101 );
    log_printf( &logger, " Inductive Linear Position : %u\r\n", rp_data );

    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.Ldc1101

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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