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User Guide
SiRad Simple
Evaluation Kit
Status:
Date:
Release
24 Apr. 17
Version:
Document number:
2.2
®
Author:
Silicon Radar GmbH
Filename:
UserGuide_SiRad_Simple
- 1 -
Silicon Radar GmbH
Im Technologiepark 1
15236 Frankfurt (Oder)
fon +49.335.557 17 60
fax +49.335.557 10 50
http://www.siliconradar.com
support@siliconradar.com
®
Germany
Page:
1 of 34
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Table of Contents
Summary of Contents for Silicon Radar SiRad Simple
- Page 1 Silicon Radar GmbH Im Technologiepark 1 15236 Frankfurt (Oder) Germany fon +49.335.557 17 60 fax +49.335.557 10 50 http://www.siliconradar.com support@siliconradar.com User Guide ® SiRad Simple Evaluation Kit Status: Date: Author: Release 24 Apr. 17 Silicon Radar GmbH Version: Document number:...
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Page 2: Table Of Contents
2.2.3 Connecting to the Board via WiFi .................... 11 2.2.4 Starting the Graphical User Interface (Silicon Radar WebGUI) ..........11 Getting Started with the Silicon Radar WebGUI ..................12 Understanding the User Interface ...................... 12 Using the Control Panel (Sensor Settings) ..................13 3.2.1... - Page 3 Where can I get the driver to connect the SiRad Simple® ? ........... 26 4.1.2 I installed the FTDI driver for the SiRad Simple® but it does not show up......26 4.1.3 The FTDI driver for the SiRad Simple® does not work properly..........26 WebGUI .............................
- Page 4 Figure 7: Terminal output of the sensor (left) and COM2WebSocket tool (right) ......10 Figure 8: Silicon Radar WebGUI after start (left) and connected to a sensor (right) ......11 Figure 9: Main panels of the Silicon Radar WebGUI ..............12 Figure 10: Control panel with its different tabs ................
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Page 5: Overview And Package Contents
The SiRad Simple® Evaluation Kit consists of one 122 GHz sensor board and one lens assembly as shown in Figure 1 (left). The SiRad Simple® Evaluation Kit comes with a free graphical user interface for user-friendly parametrization of the sensor and multiple visualization modes for radar data, shown in Figure 1 (right). -
Page 6: Overview
DC-DC conversion to provide single supply from USB or an external DC supply. 1.3 Application The SiRad Simple® Evaluation Kit is supposed to be used for short-term evaluation purposes in laboratory environments only. All regulations of the according Silicon Radar Evaluation Agreement may apply. -
Page 7: Installation
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Installation 2.1 Hardware Setup 2.1.1 Understanding the External Header (J1) The external header in Figure 2 is used to connect to the sensor board in different operating modes. In UART mode, the external header is used to connect a UART cable with RX/TX lines and power supply to the sensor board. -
Page 8: Wireless Data Connection Via Wifi (Wifi Mode)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Make sure that both DIP switches are in their OFF positions and the power jumper (J2) for the WiFi module is open (switched off). Please proceed to Section 2.1.4 to install the lens (optional) or to Section 2.2 for running the Evaluation Kit software. -
Page 9: Software Installation
2.2 Software Installation 2.2.1 Software requirements The SiRad Simple® Evaluation Kit software for PC is available from the Silicon Radar webpage upon request. There are two possibilities to connect the sensor to the Evaluation Kit software, either using a UART-USB connection provided by a virtual COM port – explained in Section 2.2.2 –... -
Page 10: Connecting To The Board Via Usb
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 2.2.2 Connecting to the Board via USB If you want to connect to the sensor via WiFi instead of USB, please directly continue with Section 2.2.3. The sensor board can be connected to a PC via USB through an FTDI cable (delivered with the evaluation kit), which provides a virtual COM port. -
Page 11: Connecting To The Board Via Wifi
2.2.4 Starting the Graphical User Interface (Silicon Radar WebGUI) You can find the Silicon Radar WebGUI in the Install Package in the ‘Software’ folder. It is portable and can be copied to a path of your choice on your PC. The user interface is started by opening the ‘startSimple.html’... -
Page 12: Getting Started With The Silicon Radar Webgui
WebGUI 3.1 Understanding the User Interface The SiRad Simple® Evaluation Kit is developed to demonstrate the functionality of Silicon Radar’s transceiver chips as millimeter-wave distance and velocity sensor frontends. Once the WebGUI is launched, the main window is displayed like shown in Figure 9. -
Page 13: Using The Control Panel (Sensor Settings)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 3.2 Using the Control Panel (Sensor Settings) The control panel on the left side of the WebGUI provides the controls for the user interface. It is used to connect to the sensor, to send commands and to change the data view. The control panel contains the sections shown in Figure 10. -
Page 14: System Settings (System Configuration Tab)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Save own settings: To save your settings, click the ‘New’ button. The dialog in Figure 13 appears. Enter a preset name and description for your settings and click ‘Save’. All settings are stored as cookies in your browser so that they are available next time when you open the browser. - Page 15 User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 3.2.3.1 Triggering measurements You can choose between the two triggering modes ‘Self-triggering’ and ‘Manual triggering’. You can find the steps to set them in Table 2. Table 2: Triggering modes...
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Page 16: Radar Frontend Settings (Rf Parameters Tab)
There are 4 gain modes, which depend on the hardware version of the sensors due to adaptations in the attenuation network and ADC lines of the baseband amplifier. The gain settings for the latest SiRad Simple® sensor (v2.2) are 8, 21, 43, 56 dB (left to right). 3.2.3.5 LED control LED: switches the LED on or off. -
Page 17: Baseband Processing Settings (Bb Processing Tab)
Frontend: switches the presets for the used radar frontend. Only the 122 GHz option is useful for the SiRad Simple® sensor. The other presets can lead to undefined behavior. VCO Divider: is hardware dependent per frontend type. The VCO divider for the SiRad Simple® sensor (v2.2) is 64, fixed. -
Page 18: Target Recognition Settings (Target Recognition Tab)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Ramp time: is reported back by the sensor. The ramp time t is calculated using the selected sampling time t , the number of samples n and the clock frequency of the ADCs, like t [us] = t [clock cycles] * 1.04 * n... -
Page 19: Scene Control Options (Scene Controls Tab)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Setting Description adjust the number of guard cells CFAR guard before and after the cell under test adjust the number of FFT bins used CFAR size on either side of the guard cells... -
Page 20: Radar Hardware Information (System Info Tab)
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 3.2.8 Radar Hardware Information (System Info Tab) The ‘System Info’ tab in Figure 20 (left) shows the unique hardware identification number of the sensor. You can press the ‘Update system info’ button to refresh this information from the sensor. -
Page 21: Status Field And Target List
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Figure 22: 2D view of the FFT data Figure 23: 3D view of the FFT data 3.3.2 Status Field and Target List The ‘Status’ field shown in Figure 24, top, displays a couple of useful information about the current measurements. -
Page 22: Target-Timeline
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 3.3.3 Target-Timeline The ‘Target-Timeline’ in Figure 25 shows the magnitudes of past targets. The x-axis shows the distances of the targets and the y-axis shows the magnitudes of the targets in dB. The z-axis shows the timeline of the data. -
Page 23: Understanding The Configuration Info Field
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Figure 29: Phase coloring Figure 30: No color 3.4 Understanding the Configuration Info Field The ‘config’ field shows the configuration that was send by the WebGUI to the sensor on connect. -
Page 24: Understanding The Error Info Field
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit 3.6 Understanding the Error Info Field The ‘Error’ info field is located in the top left of the WebGUI, see Figure 33. Error flag Description UART transmission CRC checksum errors... - Page 25 User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Targets: The first ceiling echo is around 200 cm, which should be quite high versus the neighboring noise floor. Using a lens will make this target peak thinner and higher and more easily detectable by the CFAR operator.
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Page 26: Troubleshooting
4.2.2 I cannot see any output in the WebGUI window. Please first set the SiRad Simple ® up for the USB connection. For that, check if the two dip switches on the SiRad Simple® are set to the off position and if the jumpers are set according to Section 2.1. -
Page 27: How Does The Auto Gain Control (Agc)-Mode Work
This is because the WebGUI sends a different configuration to the sensor when it is connected. The LED will light again when the proper serial port (SER1 for the SiRad Simple®) is set in the ‘System Configuration’ tab and the LED mode is changed from off to 1 target rainbow. -
Page 28: There Are Too Many Targets. The Cfar Operator Does Not Work
Increasing the number of guard cells may help in such a scenario. 4.2.15 How is the distance information calculated? All calculations are done on the microcontroller on the SiRad Simple® sensor, so that the reported target distance is already in millimeters. The distance formula used is d = n... -
Page 29: How Is The Field Of View Of The Sirad Simple
4.5.2 Where can I get the source code for the SiRad Simple®? The firmware on the SiRad Simple® sensor is not freely available but we are working on the SiRad library with a user friendly C programming API that we may provide to our customers. We do, however, provide the source code for the WebGUI and the Com2WebSocket tool. -
Page 30: Firmware Update
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Firmware Update Please be careful when following this section. Silicon Radar is not responsible for any damages to your hardware or software that occurred during the flashing process. 5.1 Microcontroller To update or change the microcontroller firmware, the board has to be set in bootloader mode, as shown in Figure 35. - Page 31 User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Find and install the esptool in the Firmware folder of the provided Install Package. Copy the firmware from the ‘Firmware\WiFi_Module\websocket_mini’ folder of the Install Package into the esptool folder. Edit the batch file esptool.bat and replace the COM port with the COM port of your USB to UART cable and the firmware name with the desired firmware, marked here: esptool -bz 1M -cp COMx -cf websocket_mini.ino.generic.bin...
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Page 32: Mechanical Drawing
User Guide (Version 2.2) of the SiRad Simple® Evaluation Kit Mechanical Drawing Figure 37: Mechanical drawing of the SiRad Simple® Evaluation Kit - 32 -... -
Page 33: Disclaimer / License
The information contained in this document is subject to change at any time without notice. Silicon Radar GmbH assumes no responsibility or liability for any loss, damage or defect of a product that is caused in whole or in part by...
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