User guide
TSL2541 EVM
TSL2541 ALS, Light-to-Digital Sensor Evaluation Kit
Version 1.0
Page 1: ...User guide TSL2541 EVM TSL2541 ALS Light to Digital Sensor Evaluation Kit Version 1 0 ...
Page 2: ...s 3 2 Getting Started 3 3 Hardware Description 3 4 Software Description 4 4 1 Connect Software to Hardware 4 4 2 System Menus 5 4 3 System Level Controls 6 4 4 Auto Polling 6 4 5 Device ID Information 7 4 6 Log Status and Control Information 7 4 7 ALS Tab 8 5 Resources 10 ...
Page 3: ...oads the required driver for the USB interface and also the device s graphical user interface GUI The balance of this document identifies and describes the controls available on the GUI In combination with the TSL2541 datasheet the QSG and application notes available on the ams website www ams com there should be enough information to allow evaluation of the TSL2541 device 3 Hardware Description T...
Page 4: ...he software automatically connects to the hardware On successful initialization the software displays a main window containing controls pertinent to the connected device If the software detects an error an error window appears If Device not found or is unsupported appears verify the correct daughterboard is properly connected to the EVM controller board If Cannot connect to EVM board appears verif...
Page 5: ...ALS Lux Coefficients section for more details Click on the Exit command to close the main window and terminate the application Any unsaved log data is cleared from memory The application can also be close by clicking the red X in the upper right hand corner 4 2 2 Log Menu The Log menu is used to control the logging function and to save the log data to a file Log data is accumulated in memory until...
Page 6: ...plays a dialog box Figure 7 showing the version and copyright information for the application and library Click the OK button to close this window and continue Figure 7 About Widow 4 3 System Level Controls Immediately below the top menu bar there are checkboxes used to control the system level functions of the TSL2541 device The Power On checkbox controls the PON function of the TSL2541 When this...
Page 7: ...e default log file name is based on these values at the time the log file is written If nothing is entered in these boxes they default to a period Sample default file name TSL2541_1 2 3_Log_HH_MM_SS csv From Application From User Input The Count value displayed is a count of the number of samples currently in the log buffer The Elapsed Time value indicates the elapsed time since data logging was s...
Page 8: ...ues of WTIME and WLONG are ignored The WTIME control sets the time to wait between ALS cycles WTIME can be adjusted in 2 778ms steps The WLONG checkbox controls sets the WTIME factor When this box is checked the wait time between ALS cycles is extended by a factor of 12x 4 7 2 ALS Lux Coefficients The TSL2541 ALS supplies information that is used to calculate Lux unit of illumination The Lux equat...
Page 9: ...e 145 006 coef name CoefB value 0 14 coef name CoefC value 1 078 coef name CoefD value 0 156 eq_values luxeq 4 7 3 ALS Output Data The top right corner of the ALS tab displays the output data This data is continuously read The polling interval is shown above the tab Visible displays the data counts for the Visible channel multiplied by the adjustment factor IR displays the data counts for the IR c...
Page 10: ...d but the actual plot will not be updated until the plot function is re enabled 5 Resources For additional information regarding the TSL2541 please refer to the datasheet For information regarding the installation of the TSL2541 EVM host application software please refer to the TSL2541 EVM Quick Start Guide Designer s Notebooks dealing with various aspects of optical measurement and optical measur...
Page 11: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information ams TSL2541 DB TSL2541 EVM ...
