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mikroSDK Library

Color 8 click

Rating:

5

Author: MIKROE

Last Updated: 2018-10-29

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Optical

Downloaded: 4784 times

Not followed.

License: MIT license  

Color 8 click is a color-sensing Click board™, a part of our sensor Click board line. Sensing the color by utilizing ROHM’s BH1749NUC, an integrated color sensor IC, it comes in the package which also includes the mikroSDK software, a library with all the functions.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Color 8 click

Color 8 click

Native view of the Color 8 click board.

View full image
Color 8 click

Color 8 click

Front and back view of the Color 8 click board.

View full image

Library Description

The library initializes and defines the I2C bus driver and drivers that offer a choice for writing data in register and reads data from register. The library includes function for configuration chip for measurement, function for reads one color and functions for light color value is received by calculating RGB value and conversions in HSL value. The user also has the function color8_getColor() which checks the color of the light.

Key functions:

  • void float color8_getColorValue() - Functions for read color value in HSL
  • void uint8_t color8_getColor(float color_value) - Function for set output voltage

Examples description

The application is composed of the three sections :

  • System Initialization - Initializes I2C module and sets INT pin as INPUT
  • Application Initialization - Initialization driver init and device configuration for start measurement
  • Application Task - (code snippet) - Reads RED, GREEEN, BLUE and IR data. Converts data to HSL value and return detect color. For a successful color test, place a click near the color of the monitor and detect the color on the screen.
void applicationTask()
{
    RED_data = color8_readData(_COLOR8_REG_RED_DATA);
    IntToStr(RED_data, demoText);
    mikrobus_logWrite(" RED data : ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    GREEN_data = color8_readData(_COLOR8_REG_GREEN_DATA);
    IntToStr(GREEN_data, demoText);
    mikrobus_logWrite(" GREEN data : ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    BLUE_data = color8_readData(_COLOR8_REG_BLUE_DATA);
    IntToStr(BLUE_data, demoText);
    mikrobus_logWrite(" BLUE data : ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    IR_data = color8_readData(_COLOR8_REG_IR_DATA);
    IntToStr(IR_data, demoText);
    mikrobus_logWrite(" IR data : ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    colorValue = color8_getColorValue();
    FloatToStr(colorValue, demoText);
    mikrobus_logWrite(" HSL color value : ", _LOG_TEXT);
    mikrobus_logWrite(demoText, _LOG_LINE);
    
    isColor = color8_getColor(colorValue);
    
    switch(isColor)
    {
        case 1:
        {
            mikrobus_logWrite("--- Color: ORANGE ", _LOG_LINE);
            break;
        }
        case 2:
        {
            mikrobus_logWrite("--- Color: RED ", _LOG_LINE);
            break;
        }
        case 3:
        {
            mikrobus_logWrite("--- Color: PINK ", _LOG_LINE);
            break;
        }
        case 4:
        {
            mikrobus_logWrite("--- Color: PURPLE ", _LOG_LINE);
            break;
        }
        case 5:
        {
            mikrobus_logWrite("--- Color: BLUE ", _LOG_LINE);
            break;
        }
        case 6:
        {
            mikrobus_logWrite("--- Color: CYAN ", _LOG_LINE);
            break;
        }
        case 7:
        {
            mikrobus_logWrite("--- Color: GREEN ", _LOG_LINE);
            break;
        }
        case 8:
        {
            mikrobus_logWrite("--- Color: YELLOW ", _LOG_LINE);
            break;
        }
        default:
        {
            break;
        }
    }
    Delay_100ms();
    
    mikrobus_logWrite("  ", _LOG_LINE);
    Delay_ms( 1000 );
}


Other mikroE Libraries used in the example:

  • I2C

Additional notes and information

Depending on the development board you are using, you may need USB UART clickUSB 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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