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mikroSDK Library

Pedometer 3 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.13

mikroSDK Library: 2.0.0.0

Category: Motion

Downloaded: 408 times

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License: MIT license  

Pedometer 3 Click is a three-axis acceleration sensing Click board which utilizes the KX126-1063.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Pedometer 3 Click

Pedometer 3 Click is a three-axis acceleration sensing Click board which utilizes the KX126-1063. An advanced tri-axis acceleration sensor, KX126-1063 includes the pedometer algorithm support.

pedometer3_click.png

Click Product page


Click library

  • Author : Katarina Perendic
  • Date : okt 2019.
  • Type : I2C/SPI type

Software Support

We provide a library for the Pedometer3 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 Pedometer3 Click driver.

Standard key functions :

  • pedometer3_cfg_setup Config Object Initialization function.

    void pedometer3_cfg_setup ( pedometer3_cfg_t *cfg ); 
  • pedometer3_init Initialization function.

    err_t pedometer3_init ( pedometer3_t *ctx, pedometer3_cfg_t *cfg );
  • pedometer3_default_cfg Click Default Configuration function.

    void pedometer3_default_cfg ( pedometer3_t *ctx );

Example key functions :

  • pedometer3_get_hp_accel_axis High Pass Accel axis data

    void pedometer3_get_hp_accel_axis ( pedometer3_t *ctx, pedometer3_axis_t *axis );
  • pedometer3_get_accel_axis Accel axis data

    void pedometer3_get_accel_axis ( pedometer3_t *ctx, pedometer3_axis_t *axis );
  • pedometer3_get_step_counter Pedometer step counter

    uint16_t pedometer3_get_step_counter ( pedometer3_t *ctx );

Examples Description

The demo application displays measuring 2 accelerometers (normal accel and high pass accel), counting steps and displaying tilt positions. The sensor includes additional feature and setups that you can look up in the library.

The demo application is composed of two sections :

Application Init

Configuring clicks and log objects. Settings the Click in the default configuration.

void application_init ( void )
{
    log_cfg_t log_cfg;
    pedometer3_cfg_t cfg;
    uint8_t tmp;

    /** 
     * 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.
    pedometer3_cfg_setup( &cfg );
    PEDOMETER3_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    pedometer3_init( &pedometer3, &cfg );

    // Default Click configurations
    pedometer3_default_cfg( &pedometer3 );

    tmp = PEDOMETER3_CNTL1_MODE_LOW_POWER | PEDOMETER3_CNTL1_MODE_LOW_POWER |
          PEDOMETER3_CNTL1_RES_MODE_LOWER_NOISE | PEDOMETER3_CNTL1_DATA_READY_DISABLE |
          PEDOMETER3_CNTL1_G_RANGE_2g | PEDOMETER3_CNTL1_TAP_ENABLE |
          PEDOMETER3_CNTL1_PEDOMETER_ENABLE | PEDOMETER3_CNTL1_TILT_ENABLE;

    pedometer3_generic_write( &pedometer3, PEDOMETER3_REG_CONTROL_1, &tmp, 1 );
}

Application Task

Reads Accel and High Pass Accel X/Y/Z axis and detect Tilt Position. All data logs on the USBUART every 400 ms.

void application_task ( void )
{
    static uint16_t ped_step = 0;
    pedometer3_axis_t accel_axis;
    pedometer3_axis_t highpass_axis;
    pedometer3_tilt_position_t tilt;

    pedometer3_get_accel_axis( &pedometer3, &accel_axis );
    pedometer3_get_hp_accel_axis( &pedometer3, &highpass_axis );
    ped_step += pedometer3_get_step_counter( &pedometer3 );

    log_printf( &logger, "___________ Pedometer 3 Click _____________\r\n");

    log_printf( &logger, "--  Accel : [ X ]: %d / [ Y ]: %d / [ Z ]: %d \r\n", 
                accel_axis.x, accel_axis.y, accel_axis.z );
    log_printf( &logger, "--  HP Accel : [ X ]: %d / [ Y ]: %d / [ Z ]: %d \r\n", 
                highpass_axis.x, highpass_axis.y, highpass_axis.z );

    log_printf( &logger, "--  Step counter : [ STEP ]: %d \r\n", ped_step );

    pedometer3_get_tilt_position( &pedometer3, &tilt);

    switch ( tilt.current_pos )
    {
        case PEDOMETER3_TILT_POSITION_LEFT:
        {
            log_printf( &logger, "--  Current Tilt Position: [ LEFT ] \r\n" );
            break;
        }
        case PEDOMETER3_TILT_POSITION_RIGHT:
        {
            log_printf( &logger, "--  Current Tilt Position: [ RIGHT ] \r\n" );
            break;
        }
        case PEDOMETER3_TILT_POSITION_DOWN:
        {
            log_printf( &logger, "--  Current Tilt Position: [ DOWN ] \r\n" );
            break;
        }
        case PEDOMETER3_TILT_POSITION_UP:
        {
            log_printf( &logger, "--  Current Tilt Position: [ UP ] \r\n" );
            break;
        }
        case PEDOMETER3_TILT_POSITION_FACE_DOWN:
        {
            log_printf( &logger, "--  Current Tilt Position: [ FACE DOWN ] \r\n" );
            break;
        }
        case PEDOMETER3_TILT_POSITION_FACE_UP:
        {
            log_printf( &logger, "--  Current Tilt Position: [ FACE UP ] \r\n" );
            break;
        }
    }

    Delay_ms ( 400 );
}

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.Pedometer3

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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