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mikroSDK Library

Color click

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Author: MikroElektronika Team

Last Updated: 2018-04-27

Category: Measurement

Downloaded: 2940 times

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Simple demonstration of using TCS3471 color sensor.

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mikroSDK Library Blog

Color click

Color click

Native view of the Color click board.

View full image
Color click board

Color click board

Front and back side appearance of the Color 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 the register. The library includes a function for configuration chip for measurement, the function reads one color ratio and functions for light color value is received by calculating RGBC value and conversions in HSL value. The user also has the function color_getColor() which checks the color of the light and functions to enable or disable RGB LED.Key functions:

  • void color_setLED(uint8_t red, uint8_t green, uint8_t blue) - Functions for set Led lights
  • float color_getColorValue() - Functions for reading the color value in HSL
  • uint8_t color_getColor(float color_value) - Functions for detect colors
  • float color_readColorRatio(uint8_t color) - Functions for reading color ratio

Example description

The application is composed of three sections :

  • System Initialization - Initializes I2C module
  • Application Initialization - Initializes driver init and configuration chip for measurement
  • Application Task - (code snippet) - Read color and check which color is detected by the sensor. If the color is detected, the detected color message is logged on the USB UART.
void applicationTask()
{
 colorValue = color_getColorValue();
 isColor = color_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();
}


Other MikroElektronika libraries used in the example:

  • I2C
  • UART

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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