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Osram AS7056, Quick Start Manual

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Osram AS7056 Quick Start Manual Download Page 19

19

AS7056/57 AAOC

How to do the AAOC calibration

•

After pressing the “

Start Calibration

” button, the calibration 

process starts and the progress is displayed in the status bar. 
Depending on the settings used, the calibration can only take 
a few seconds. The result of the calibration is a table of 15 
values that are used to reconstruct the AAOC sample value in 
the software.

Fig. 18: AAOC Calibration

Summary of Contents for AS7056

Page 1: ...1 Sensing is life AS7056 57 Evaluation Kit 08 02 2022 Quick Start Guide...

Page 2: ...2 AS7056 57 Evaluation Kit Quick Start Guide AS7056 57 EVK Install Software How to Use AS7056 57 PC Software Logging Data FW Upgrade...

Page 3: ...ensor board 4 AS7057 Sensor board 5 Optical Barrier Cover Glass 6 Optical Barrier Cover Glass 7 Micro USB cable included in the box Fig 1 AS705x Evaluation Kit out of the box 1 2 3 4 5 6 SFH2201 SFH70...

Page 4: ...ey 1 AS7056 AFE 2 Optical Module 3 VCSEL laser diode 4 AS7056 Sensor board with Optical Module 5 AS705x EVK Mainboard 6 BLE Controller Board 7 EVK power supply On Off button 8 Power Supply Test Interf...

Page 5: ...ller executable and follow the instructions as shown in Fig 4 below left to right Fig 4 AS7056 57 Software Installation steps Note The EVK software is available for download please contact the ams OSR...

Page 6: ...d 3 The green LED on the Bluetooth Microcontroller module and USB connector board will light up as soon as the board is powered 4 The green LED H1 on the mainboard will light up as soon as the board i...

Page 7: ...list option load and save configuration file save the log file with the timestamp enable moving average filter if needed and update the firmware The one is the middle has control functions with three...

Page 8: ...the user know which measurements could be done using these 3 Block diagram of the AS7056 57 Blue color shows which sub blocks are is enabled and grey color shows which sub blocks are disabled in a par...

Page 9: ...nformation about the setting configurations which can be found in the Overview tab 2 Which parameter value is set for a specific measurement configuration can be seen in each parameter block For examp...

Page 10: ...PD offset and LED current and algorithms like HRM and SpO2 The parameters related to HRM SpO2 applications can be individually reviewed and adjusted on this tab by enabling or disabling the Accelerom...

Page 11: ...serve the Chip Events Application Output AGC Status 2 Start Measurement button 3 Proximity VCSEL MOD1 2 Sequence runtime conditions can be observed 4 Heart Rate SpO2 values will be displayed 5 AGC sta...

Page 12: ...surface Rest forearms and hands on the table and let the finger tips rest Keep a light touch on the optical adapter no need to squeeze or press down too firmly Abrupt movement vibration during measure...

Page 13: ...th module will start to blink as soon as the board connects with the GUI 6 After connecting Select the right configuration file from the provided configuration presets AS7057 HRM 200 Hz on finger usin...

Page 14: ...module will start to blink as soon as the board connects with the GUI 6 After connecting Select the right configuration file from the provided configuration presets AS7057 SpO2 200 Hz on finger using...

Page 15: ...as the board connects with the GUI 6 After connecting Select the right configuration file from the provided configuration presets AS7056 PPG 100 Hz Proximity 10 Hz for PPG signal using sequencer 1 wit...

Page 16: ...to blink as soon as the board connects with the GUI 6 After connecting Select the right configuration file from the provided configuration presets AS7056 57 PPG 100Hz with MOD1 SUB1 3 for 3 channel P...

Page 17: ...nning of the measurement in order to use the AAOC function 1 After connecting Select the right configuration file from the provided configuration presets AS7057 PPG Green AAOC to use the AAOC feature...

Page 18: ...available ADC and DAC FSRs The number of subsamples used for calibration should be higher than 10 and in this example 50 samples are used for each calibration step The sampling frequency is set to 100...

Page 19: ...calibration process starts and the progress is displayed in the status bar Depending on the settings used the calibration can only take a few seconds The result of the calibration is a table of 15 va...

Page 20: ...ration table opens the copy dialog and the calibration table for DAC can be copied into the Modulator 1 Sequence 1 text field To enable AAOC signal reconstruction the Advanced AOC checkbox must be che...

Page 21: ...y The display area can plot a maximum of three plots By default the plot area displays all the signals into one plot Left clicking on the channel name in the legend opens a dialog window to display th...

Page 22: ...rent register Map click on the tab File Register Map Fig 21 In the Register Map window oThe register values can be updated oNew register values can be entered oNew register values can be saved with a...

Page 23: ...log box Select the json configuration file you want to load and click Open To save the current configuration settings click on the tab File Save Configuration Fig 23 This will open the Save Configurat...

Page 24: ...e data is saved in csv format Optionally the logging with timestamp can be selected This enables the saving to subsequent measurements results automatically with file names that has timestamp in it If...

Page 25: ...2 Click on the tab Help Firmware Update to navigate to the dfu file latest firmware file 3 During the update process the green LED on the Bluetooth module will turn to red 4 After a successful update...

Page 26: ...Sensing is life...

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