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Teledyne Lecroy Envision X14 User Manual

C-phy/d-phy for csi/dsi analyzer/generator
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Envision X14 CSI/DSI Analyzer/Generator - User Guide
Rev. 1
Envision X14 C-Phy/D-Phy for CSI/DSI Analyzer/Generator
User Guide
Rev: 1
Page 1
March 14, 2025

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Summary of Contents for Teledyne Lecroy Envision X14

  • Page 1 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Envision X14 C-Phy/D-Phy for CSI/DSI Analyzer/Generator User Guide Rev: 1 Page 1 March 14, 2025...

  • Page 2: Table Of Contents

    Connecting a D-Phy Source Device with the Solder-Down Probes Connecting a D-Phy or C-Phy Source Device for Analysis without the Solder-Down Probes Connecting a MIPI D-Phy Source Device Under Test using the Envision X14 10 Analyzing MIPI D-Phy CSI-2 or DSI-2 Sources 10.1 Viewing Captures in the Capture Viewer...

  • Page 3: About The Envision X14

    Analyzer/Generator) for updates to this User Guide. 1.1 About the Envision X14 The Envision X14 is a compact feature-rich test instrument for testing D-PHY, C-Phy, CSI-2, DSI-2 application processors, cameras for analysis and D-Phy and C-Phy SOCs and display devices with video generation.

  • Page 4: Envision X14 Test Applications

    2.1 Analysis – Emulation for either CSI or DSI In the emulation analysis mode for either CSI or DSI (and either C-Phy or D-Phy, the Envision X14 is emulating either a CSI Application Processor or a DSI Display Peripheral. Note that in these applications the solder-down probes are not used. These applications are depicted in the diagrams below for CSI and DSI respectively.

  • Page 5: Generation - Transmitting Csi Or Dsi Image Or Video/Pixel Data

    2.3 Generation – Transmitting CSI or DSI Image or Video/Pixel Data In the generator mode, the Envision X14 is transmitting CSI image sensor data or DSI video pixel data. Note that in these generator applications the solder-down probes are not used. These applications are depicted in the diagrams below.

  • Page 6: About The Vps Gui Application

    3 About the VPS GUI Application The Envision X14 can be operated either through the embedded GUI running on the Envision X14 or through an external GUI hosted on a PC. The GUI is the Video Protocol Suite (VPS). When using the embedded VPS GUI you will need an external display connected to an HDMI port on the rear of the unit.

  • Page 7: Getting Started

    Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 4 Getting Started This chapter explains what is involved in getting your Envision X14 up and operating. 4.1 What is in the Envision X14 Shipping Box? The Teledyne LeCroy Envision X14 is shipped with the following items: •...

  • Page 8: Front Panel Lcd

    Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 4.3 Front Panel LCD The Teledyne LeCroy Envision X14 front panel has a 4 line by 16 character LCD display. Currently the LCD displays the following information: Network Information: IP address, gateware and netmask.
  • Page 9 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Connect a mouse and keyboard (optional) to the USB ports on the front (or rear) panel of the Envision X14 as shown below. Note: Using a connected mouse, you can also utilize the virtual keyboards that present themselves in the VPS GUI.
  • Page 10 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 4.4.1 Changing the VPS GUI Display Resolution You can change the resolution of the connected monitor that the VPS GUI is being displayed using the Mint Linux utilities. Follow these steps: Minimize the VPS GUI using the minimize button at the top right of the window.

  • Page 11: Managing The Envision X14 With Vps Gui From A Pc

    The Envision X14 can be operated from the VPS GUI application installed on a host Windows PC. The VPS GUI application will have to be downloaded and installed on your Windows PC and you will need to connect your PC to the Envision X14 over an Ethernet IP connection.
  • Page 12 VPS GUI Running on PC Host Connected thru Corporate LAN Set the IP address of the Envision X14 Instrument Network Settings of the embedded VPS GUI from the Tester screen by clicking the three horizontal bar menu icon at the top right corner of the Dashboard.
  • Page 13 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Select System Settings and select Instrument Network Settings. A dialog box appears enabling you to set DHCP or specify an IP address. Ensure the Netmask and Gateway are properly configured. Sample screen shots are shown below.
  • Page 14 Note: If using DHCP for IP address assignment, check for the resulting IP address at the bottom left of the embedded GUI after rebooting, as shown below. To add your Envision X14 to the VPS Application, begin by clicking Device Selection on the system menu as shown below.
  • Page 15 Click the ADD INSTRUMENT button in the top right corner. 10. You will be prompted to enter a name (any suitable name) and IP address (obtained in Step 6) of the Envision X14 that you want to connect to in the ADD INSTRUMENT dialog box and click on the ADD DEVICE activation button.

  • Page 16: Setting The Instrument Date And Time

    11. You should be taken to the Instrument Dashboard of the VPS GUI. (If not, select the CONNECT button at the bottom right of the Select instrument screen). Select the Envision X14 that you want to connect to. Typically you will only have one Envision X14 in your lab, the example below is not typical.

  • Page 17: Viewing The Instrument Information

    Select the correct Time Zone. Click APPLY (see below). 5.3 Viewing the Instrument Information This procedure describes how to view the Envision X14’s software release information. Within your profile main screen (e.g. Tester) About menu, select Instrument Information. Page 17...
  • Page 18 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 The screen below appears: Page 18 March 21, 2025...

  • Page 19: Running A D-Phy Self-Test

    6 Running a D-Phy Self-Test This chapter describes how to run a self-test on the D-Phy connectors. A self-test is useful to verify that the Envision X14 is operating properly and the cables and connectors have not been damaged. When you receive the Envision X14 you might want to run a self-test to verify that the ports and cables are functioning properly.

  • Page 20: Connecting And Managing The Envision X14 Through Vnc

    RealVNC is one suitable virtual terminal application that you can use. Download the application and install it on your host PC. Provide a name for the Envision X14 and enter the IP address to connect. You will connect to the Envision X14 embedded VPS GUI and see the home screen.

  • Page 21: Connecting A D-Phy Or C-Phy Source Device For Analysis Without The Solder-Down Probes

    Down Probes This chapter describes how to connect a MIPI D-Phy or C-Phy source device to the Envision X14 for analysis when the device under test is a connectorized test board. The source device under test could either be a camera module for CSI-2 or an Application Processor (SoC) for DSI-2.

  • Page 22: Analyzing Mipi D-Phy Csi-2 Or Dsi-2 Sources

    10 Analyzing MIPI D-Phy CSI-2 or DSI-2 Sources This chapter provides procedures for capturing D-Phy CSI-2 or DSI-2 data. These procedures assume that you have made the connections from the D-Phy CSI-2 or DSI-2 source device to the Envision X14. 10.1 Viewing Captures in the Capture Viewer This procedure describes how to view the captured data through the Capture Viewer.
  • Page 23 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Selecting Capture will bring you to the New Capture screen as shown below. From the New Capture screen: Protocol – This defines which protocol CSI or DSI is being analyzed. Auto – If Auto is selected, this means the analyzer will automatically detect which protocol is coming in.
  • Page 24 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 There will be a dialog box appear that shows the status of the capture. If you are capturing from the external VPS GUI, the status will indicate that the capture is zipped up and transfer to the Host PC.
  • Page 25 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 There are three panels in the Capture Viewer. The Event Plot is the graphical timeline on the top. The Data Decode is the table presentation of the date below the Event Plot. The Data Decode Details Panel on the right. When you select a protocol element or record, the Details Panel shows the decoded data along with the raw hex data.
  • Page 26 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Page 26 March 21, 2025...
  • Page 27 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Page 27 March 21, 2025...

  • Page 28: Analyzing Mipi C-Phy Csi-2 Or Dsi-2 Sources

    This chapter provides procedures for capturing C-Phy CSI-2 or DSI-2 data. These procedures assume that you have made the connections from the C-Phy CSI-2 or DSI-2 source device to the Envision X14. 11.1 Viewing C-Phy Captures in the Capture Viewer This procedure describes how to view the captured data through the Capture Viewer.
  • Page 29 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Selecting Capture will bring you to the New Capture screen as shown below. From the New Capture screen: Protocol – This defines which protocol CSI or DSI is being analyzed. Auto – If Auto is selected, this means the analyzer will automatically detect which protocol is coming in.
  • Page 30 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 There will be a dialog box appear that shows the status of the capture. If you are capturing from the external VPS GUI, the status will indicate that the capture is zipped up and transfer to the Host PC.
  • Page 31 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 There are three panels in the Capture Viewer. The Event Plot is the graphical timeline on the top. The Data Decode is the table presentation of the date below the Event Plot. The Data Decode Details Panel on the right. When you select a protocol element or record, the Details Panel shows the decoded data along with the raw hex data.

  • Page 32: Working With D-Phy And C-Phy Captured Data

    Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 12 Working with D-Phy and C-Phy Captured Data This procedure describes how to view ad search for protocol elements in the captured data in the Capture Viewer. 12.1 Viewing the Captured Video Frames This procedure describes how to view the captured frames through the Capture Viewer shown below.
  • Page 33 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 The capture frames are shown below. The thumbnails are shown and you can select any of the frames to view by selecting the thumbnail. Note that you can select any pixel on the frame that is selected. You can also scroll over any area to view the pixel values of the position of the mouse.
  • Page 34 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 To Measure Data in the Capture with Markers: You can set Markers to measure the distance between two locations on the Event Plot. You can use the Markers incrementally in either direction and you can deselect the check boxes to remove the Markers.

  • Page 35: Filtering The Captured Protocol Data

    Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Enter a text string in either HS (High Speed) or LP (Low Power). You can advance to the next instance of the protocol element category using the blue arrows on the bottom. In the example above the search is for a high speed (HS) short packet.

  • Page 36: Saving And Viewing Existing Captures

    Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 12.3 Saving and Viewing Existing Captures This procedure describes how to view existing stored captures. To Open an existing capture: From the VPS Home screen, select Capture & Viewer as indicated below.

  • Page 37: Capturing C-Phy Or D-Phy Dsi Streams With Display Stream Compression (Dsc)

    This procedure describes how to capture DSI streams that are compressed with Display Stream Compression (DSC). To View DSI Captures with Display Stream Compression (DSC): A new tab labeled DSC is available when the Envision X14 is set to analyzer mode. Fill in the PPS parameters in accordance with your specifications.
  • Page 38 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 DSC Parameters can be entered on this tab when DSC compressed DSI video data is being analyzed. You can now execute a capture in the usual manner. The screen below shows a sample of the DSC capture. Notice the indication of Compressed Pixel data.

  • Page 39: Transfering Captures Between The Host Pc And The Envision X14

    12.5 Transfering Captures Between the Host PC and the Envision X14 This procedure describes how to transfer captures from the Envision X14 and the host PC running the VPS application. To Transfer files to and from your Host PC: From the VPS Home screen, select Capture &...
  • Page 40 PC. If you are using the embedded GUI, the captures you are viewing are the captures stored on the Envision X14 instrument. This function can transfer files in either direction. You first have to export the capture using the three dot menu as shown below.
  • Page 41 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 You will be asked to browse to a location on your PC where the exported zip file is stored (below). Page 41 March 21, 2025...
  • Page 42 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 The word “Local” is for the host PC. The word “Instrument” is for the Envision X14. The following screens show examples of the file transfer dialog boxes. And going the other way, Instrument to Local (PC) enables you to distribute captures taken on the X14 and dissemintating them to other collegues.

  • Page 43: Importing Captures

    12.6 Importing Captures This procedure describes how to import a capture taken from an Envision X14 onto your PC using the VPS application. Note that your VPS application does not have to be connected to an Envision X14 in order to import a capture.
  • Page 44 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 The new capture will appear in the capture collection screen. Page 44 March 21, 2025...

  • Page 45: Using The Envision X14 D-Phy Generator

    To activate the CSI-2 Generator on the Envision X14: Click on the Generator icon on the Main window. If the Envision X14 is not already in the Generator mode, you will get a notification that a new FPGA image “Gateware” has to be reloaded.
  • Page 46 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 To Send D-Phy Data from the Envision X14: View the MIPI Generator View screen shown below: Page 46 March 21, 2025...
  • Page 47 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Basic Link Configuration The following selection items are under the Basic Link Configuration Section of the Generator View panel. Make your selections from the following parameters and options. Lanes – This is the number of D-Phy lanes that are going to be transmitted in the stream.
  • Page 48 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Page 48 March 21, 2025...
  • Page 49 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Select a format from the Format List. 10. Select a Test Pattern from the Test Pattern List. Page 49 March 21, 2025...

  • Page 50: About The Envision X14 C-Phy Csi-2/Dsi-2 Video Generator

    13.3 About the Envision X14 C-Phy CSI-2/DSI-2 Video Generator The Envision X14 supports both a video generator and video analyzer function. However, only one or the other can be active at any one time. Therefore, you have to select whether you want to activate the video analyzer or generator.
  • Page 51 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 The “Dashboard” area at the top of the screen, circled in yellow, shows the current configuration for the generator. There are two tabs along the left side, circled in red, to set Link and Video parameters.
  • Page 52 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 Video patterns can be selected by choosing the Pattern sub-tab, and can be added to My Favorites list by selecting the star element by each pattern. In CSI, a 3 -level tab labeled RAW is available, and selections are available to either generator a counting pattern or to encode any of the chosen Standard patterns in RAW Bayer format with 4 different Bayer patterns.
  • Page 53 Envision X14 CSI/DSI Analyzer/Generator - User Guide Rev. 1 There are various options available on the Options sub-tab which differ depending on the link mode setting of CSI or DSI. The video encoding is selected at the right-hand side of the Options sub-tab.

  • Page 54: Upgrading The Vps Gui Application And System Software

    This chapter provides information about upgrading your Envision X14 VPS GUI App. Detailed procedures are not provided in this document. Please be sure to refer to the Teledyne LeCroy Release Notes on the Teledyne Envision X14 webpage for a specific release for detailed upgrade instructions.

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