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mikroSDK Library

Light mix-sens click

Rating:

5

Author: MIKROE

Last Updated: 2020-07-14

Package Version: 1.0.0.0

mikroSDK Library: 1.0.0.0

Category: Optical

Downloaded: 2948 times

Not followed.

License: MIT license  

Light mix-sens Click is carrying TMD37253, an advanced proximity measurement, color sense (RGBC+IR), and digital ambient light sensing (ALS) device. The TMD37253 slim module package has been designed to accommodate a “single hole” aperture approach that incorporates an IR LED and factory calibrated LED driver.

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  • mikroSDK Library 2.0.0.0
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mikroSDK Library Blog

Light mix-sens Click

Light mix-sens Click

Native view of the Light mix-sens Click board.

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Light mix-sens Click

Light mix-sens Click

Front and back view of the Light mix-sens Click board.

View full image

Library Description

This library allows user to perform a communication with the Light mix-sens Click board. The user can measure the full spectral of light together with proximity measurement. By switching an IR diode, one of two possible IR measurements can be executed, the level of IR light can be measured, or the proximity, together with the all other channels. For more details, please, check the full documentation.

Key functions:

  • lightmixsens_err_t lightmixsens_write_byte( uint8_t reg_addr, uint8_t data_in ); - This function writes data byte to the selected register.
  • lightmixsens_err_t lightmixsens_read_byte( uint8_t reg_addr, uint8_t *data_out ); - This function reads data byte from the selected register.
  • void lightmixsens_switch_ir_to_green( void ); - This function switches the IR light to be measured in the Green channel (GDATA) register.

Examples description

The application is composed of three sections :

  • System Initialization - Initializes all necessary peripherals and pins.
  • Application Initialization - Initializes I2C driver and performs the Click board default configuration to allow ALS/Color and Proximity measurements.
  • Application Task - (code snippet) - Waits until ALS/Color integration cycle was done and then reads the entire measurement. The all results will be sent to the selected UART terminal.
void application_task( )
{
    lightmixsens_wait_atime( );
    
    lightmixsens_read_word( LIGHTMIXSENS_REG_CDATA, &lightmixsens_cdata );
    lightmixsens_read_word( LIGHTMIXSENS_REG_RDATA, &lightmixsens_rdata );
    lightmixsens_read_word( LIGHTMIXSENS_REG_GDATA_IRDATA, &lightmixsens_gdata );
    lightmixsens_read_word( LIGHTMIXSENS_REG_BDATA, &lightmixsens_bdata );
    lightmixsens_read_byte( LIGHTMIXSENS_REG_PDATA, &lightmixsens_pdata );
    
    WordToStr( lightmixsens_cdata, log_txt );
    Ltrim( log_txt );
    mikrobus_logWrite( "- Clear light:  ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_TEXT );
    mikrobus_logWrite( " lx", _LOG_LINE );
    
    WordToStr( lightmixsens_rdata, log_txt );
    Ltrim( log_txt );
    mikrobus_logWrite( "- Red light:    ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_TEXT );
    mikrobus_logWrite( " lx", _LOG_LINE );
    
    WordToStr( lightmixsens_gdata, log_txt );
    Ltrim( log_txt );
    mikrobus_logWrite( "- Green light:  ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_TEXT );
    mikrobus_logWrite( " lx", _LOG_LINE );
    
    WordToStr( lightmixsens_bdata, log_txt );
    Ltrim( log_txt );
    mikrobus_logWrite( "- Blue light:   ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_TEXT );
    mikrobus_logWrite( " lx", _LOG_LINE );
    
    prox_app( );
    mikrobus_logWrite( "** Proximity:   ", _LOG_TEXT );
    mikrobus_logWrite( log_txt, _LOG_LINE );
    
    mikrobus_logWrite( "", _LOG_LINE );
}


Additional Functions :

  • prox_app - This is application function which determines the proximity results.

Other mikroE Libraries used in the example:

  • Conversions
  • C_String
  • I2C
  • UART

Additional notes and informations

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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