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mikroSDK Library

Color 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: 252 times

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License: MIT license  

Color Click is a color light sensing Click board™, featuring the popular TSC3471 integrated color sensor. It is capable of sensing red, green, and blue light components, as well as the clear light.

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  • mikroSDK Library 1.0.0.0
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mikroSDK Library Blog


Color Click

Color Click is a color light sensing Click board™, featuring the popular TSC3471 integrated color sensor. It is capable of sensing red, green, and blue light components, as well as the clear light.

color_click.png

Click Product page


Click library

  • Author : MikroE Team
  • Date : Jan 2020.
  • Type : I2C type

Software Support

We provide a library for the Color 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 Color Click driver.

Standard key functions :

  • Config Object Initialization function.

    void color_cfg_setup ( color_cfg_t *cfg );

  • Initialization function.

    COLOR_RETVAL color_init ( color_t ctx, color_cfg_t cfg );

  • Click Default Configuration function.

    void color_default_cfg ( color_t *ctx );

Example key functions :

  • This function reads desired color ratio from register.

    float color_read_color_ratio ( color_t *ctx, uint8_t color );

  • This function reads 3 color filters and clear filters and converts the resulting color from RGBC to HSL.

    float color_get_color_value ( color_t *ctx );

  • This function determines which color is read by Click sensor function has been invoked previously.

    uint8_t color_get_color ( float color_value );

Examples Description

The following code demonstrates color detection/recognition functionality of the Click.

The demo application is composed of two sections :

Application Init

Initializes device and driver.


void application_init ( void )
{
    log_cfg_t log_cfg;
    color_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.

    color_cfg_setup( &cfg );
    COLOR_MAP_MIKROBUS( cfg, MIKROBUS_1 );
    color_init( &color, &cfg );
    color_default_cfg( &color );
    is_color = 0;
}

Application Task

Checks which color is detected by the sensor. The name of the detected color is logged on the USBUART.


void application_task ( void )
{
    color_value = color_get_color_value( &color );
    is_color = color_get_color( color_value );

    switch( is_color )
    {
        case ORANGE_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: ORANGE\r\n" );
            break;
        }
        case RED_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: RED\r\n" );
            break;
        }
        case PINK_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: PINK\r\n" );
            break;
        }
        case PURPLE_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: PURPLE\r\n" );
            break;
        }
        case BLUE_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: BLUE\r\n" );
            break;
        }
        case CYAN_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: CYAN\r\n" );
            break;
        }
        case GREEN_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: GREEN\r\n" );
            break;
        }
        case YELLOW_COLOR_FLAG:
        {
            log_printf( &logger, "--- Color: YELLOW\r\n" );
            break;
        }
        default:
        {
            break;
        }
    }

    Delay_ms ( 300 );
}

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.Color

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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