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mikroSDK Library

Color 14 Click

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Author: MIKROE

Last Updated: 2024-10-31

Package Version: 2.1.0.14

mikroSDK Library: 2.0.0.0

Category: Optical

Downloaded: 274 times

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License: MIT license  

Color 14 Click is a compact add-on board that represents an accurate color sensing solution. This board features the APDS-9151, an integrated RGB, ambient light sensing, IR LED, and a complete proximity detection system from Broadcom Limited.

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mikroSDK Library Blog


Color 14 Click

Color 14 Click is a compact add-on board that represents an accurate color sensing solution. This board features the APDS-9151, an integrated RGB, ambient light sensing, IR LED, and a complete proximity detection system from Broadcom Limited.

color_14_click.png

Click Product page


Click library

  • Author : Luka Filipovic
  • Date : Aug 2021.
  • Type : I2C type

Software Support

We provide a library for the Color14 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 from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Library Description

This library contains API for Color14 Click driver.

Standard key functions :

  • color14_cfg_setup Config Object Initialization function.

    void color14_cfg_setup ( color14_cfg_t *cfg );
  • color14_init Initialization function.

    err_t color14_init ( color14_t *ctx, color14_cfg_t *cfg );

Example key functions :

  • color14_get_rgb_ir Read color data from device.

    err_t color14_get_rgb_ir ( color14_t *ctx, color14_color_t *color_data );
  • color14_get_als Read lux data from device.

    err_t color14_get_als ( color14_t *ctx, float *als_data );
  • color14_get_proximity Read proximity data from device.

    err_t color14_get_proximity ( color14_t *ctx, uint16_t *ps_data );

Example Description

This application showcases ability of Click board to read RGB and IR data from device. Also it can be configured to read proximity data and ALS data in lux units.

The demo application is composed of two sections :

Application Init

Application Init

Initialization of host communication modules (UART, I2C) and additonal pin. Read and check device ID, selects example and configures device for it.


void application_init ( void ) 
{
    log_cfg_t log_cfg;  /**< Logger config object. */
    color14_cfg_t color14_cfg;  /**< Click config object. */

    /** 
     * 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.
    color14_cfg_setup( &color14_cfg );
    COLOR14_MAP_MIKROBUS( color14_cfg, MIKROBUS_1 );
    err_t init_flag = color14_init( &color14, &color14_cfg );
    if ( I2C_MASTER_ERROR == init_flag ) 
    {
        log_error( &logger, " Application Init Error. " );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    uint8_t temp_data = 0;
    init_flag = color14_generic_read( &color14, COLOR14_REG_PART_ID, &temp_data, 1 );
    log_printf( &logger, " > ID: 0x%.2X\r\n", ( uint16_t )temp_data );

    if ( ( COLOR14_OK != init_flag ) && ( COLOR14_ID != temp_data ) )
    {
        log_error( &logger, " ID" );
        log_info( &logger, " Please, run program again... " );

        for ( ; ; );
    }

    //Select example
    example_type = COLOR14_EXAMPLE_RGB;
    color14_generic_write( &color14, COLOR14_REG_MAIN_CTRL, &example_type, 1 );

    if ( COLOR14_EXAMPLE_PS_LS == example_type )
    {
        //Configure proximity data to 11 bit
        color14_generic_read( &color14, COLOR14_REG_PS_MEASRATE, &temp_data, 1 );
        temp_data |= 0x18;
        color14_generic_write( &color14, COLOR14_REG_PS_MEASRATE, &temp_data, 1 );
    }

    Delay_ms ( 1000 );
    log_info( &logger, " Application Task " );
}

Application Task

Depending of selected example in task proximity and als data will be read from device, or it will show ADC value for red, green, blue and ir data from device.


void application_task ( void ) 
{
    switch ( example_type )
    {
        case COLOR14_EXAMPLE_PS_LS:
        {
            color14_proximity_als_example( );
            break;
        }
        case COLOR14_EXAMPLE_RGB:
        {
            color14_rgb_example( );
            break;
        }
        default:
        {
            log_error( &logger, " Select example!" );
            break;
        }
    }
    Delay_ms ( 500 );
}

The full application code, and ready to use projects can be installed directly from NECTO Studio Package Manager(recommended way), downloaded from our LibStock™ or found on Mikroe github account.

Other Mikroe Libraries used in the example:

  • MikroSDK.Board
  • MikroSDK.Log
  • Click.Color14

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. UART terminal is available in all MikroElektronika compilers.


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