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mikroSDK Library

LightRanger 2 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.19

mikroSDK Library: 2.0.0.0

Category: Optical

Downloaded: 387 times

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License: MIT license  

LightRanger 2 Click carries VL53L0X IC from STMicroelectronics, the worlds smallest Time-of-Flight ranging and gesture detector sensor.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


LightRanger 2 Click

LightRanger 2 Click carries VL53L0X IC from STMicroelectronics, the world's smallest Time-of-Flight ranging and gesture detector sensor.

lightranger2_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Dec 2019.
  • Type : I2C type

Software Support

We provide a library for the LightRanger2 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 LightRanger2 Click driver.

Standard key functions :

  • Config Object Initialization function.

    void lightranger2_cfg_setup ( lightranger2_cfg_t *cfg );

  • Initialization function.

    LIGHTRANGER2_RETVAL lightranger2_init ( lightranger2_t ctx, lightranger2_cfg_t cfg );

  • Click Default Configuration function.

    void lightranger2_default_cfg ( lightranger2_t *ctx );

Example key functions :

  • This function writes a byte of data to the targeted 8-bit register board.

    void lightranger2_write_byte ( lightranger2_t* ctx, uint8_t reg_address, uint8_t write_data );

  • Function read a sequential data starting from the targeted 8-bit register.

    void lightranger2_read_bytes ( lightranger2_t ctx, uint8_t reg_address, uint8_t read_data, uint8_t n_bytes );

  • Function gets a range measurement in millimeters when continuous mode is active.

    uint16_t lightranger2_get_range_continuous ( lightranger2_t* ctx );

Examples Description

This example measures the distance of the object from the sensor.

The demo application is composed of two sections :

Application Init

Initialization driver,enable Vl6180X sensor and sets default configuration for Vl6180X.


void application_init ( void )
{
    log_cfg_t log_cfg;
    lightranger2_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.

    lightranger2_cfg_setup( &cfg );
    LIGHTRANGER2_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    lightranger2_init( &lightranger2, &cfg );
    lightranger2_default_cfg( &lightranger2 );

    lightranger2_start_continuous( &lightranger2, 0 );
    Delay_ms ( 100 );
}

Application Task

Measures the distance of the object from the sensor and logs on terminal.


void application_task ( void )
{
    uint16_t distance;

    distance = lightranger2_get_range_continuous( &lightranger2 );
    Delay_ms ( 10 );

    if ( distance )
    {
        log_printf( &logger, "Distance: %u mm \r\n", distance );
        Delay_ms ( 100 );
    }
}

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.LightRanger2

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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