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AN-013-A OPS241 Code Update OmniPreSense Corporation 1

AN-013 OPS241 Code Update

From time to time, OmniPreSense provides code updates with new features and/or fixes for its radar

sensors. The embedded code in the OPS241 short range radar sensor can be easily updated to take

advantage of these enhancements. This application note describes how to update the code on the

OPS241 radar sensors.

Update Tools

To update the code on the OPS241 radar sensor the user will need a JTAG programmer and a PC based

code flashing tool. An example of a low cost JTAG programmer is the miniWiggler (Figure 1) available

from Infineon. Other models are available from Seggar.

Figure 1. miniWiggler JTAG Programmer

The code flashing tool used by OmniPreSense is Memtool (Figure 2) also provided by Infineon. This free

tool is available here.

Summary of content (8 pages)

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AN-013 OPS241 Code Update From time to time, OmniPreSense provides code updates with new features and/or fixes for its radar sensors. The embedded code in the OPS241 short range radar sensor can be easily updated to take advantage of these enhancements. This application note describes how to update the code on the OPS241 radar sensors. Update Tools To update the code on the OPS241 radar sensor the user will need a JTAG programmer and a PC based code flashing tool.
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Figure 2. Memtool Programming Tool Code Updating To update the code in the OPS241, follow the step by step instructions which follow. You should have a JTAG programming tool like the miniWiggler or Seggar noted above. Step 1. Download and install the Memtool programming tool from the Infineon website. Follow the installation instructions that come with the download. Step 2.
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Figure 4. USB and JTAG Connections to PC Step 4. Start Memtool on the PC to get a window similar to that shown in Figure 2. Press the Connect button. A message will appear to the right of the Connect button indicating the connection is in progress. If successful, the message will change to “Ready for Memtool Command” (Figure 5). Figure 5.
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Figure 6. Hex File Selection Step 5. Several address files should appear in the window on the left. Press the Select All button in the middle left of the window to select all the files to program and then press Add Set>> (Figure 1Figure 7). Figure 7. Select All Files and Add Sel>> Window Step 6. Pressing Add Set>> will add the files to the window on the right side. The Program all button on the far right will now be available to press (Figure 8).
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Figure 8. Files Ready to Program Step 7. Press the Program all button and the programming process will start. It will take 3-5 seconds to flash the new files into the OPS241. A progress window will appear as shown in Figure 9. Upon completion the window will stay present but in the Result box it will say “success” (Figure 10). Press the Exit button to exit the window. The board is now successfully reprogrammed. Figure 9.
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Figure 10. Completed Programming Step 8. Once the board is reprogrammed it’s ready to use. The Memtool will leave the board in a reset state. Unplug the board from the USB port and disconnect the JTAG connector on J6. You can check the programming was successful by plugging the board back into the USB port on the PC and using Tera Term to validate the new code is programmed and runs. Start Tera Term and it will automatically detect which port the board is connected to.
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Additional Notes There are other tools which may be used for programming boards. Besides the miniWiggler, Seggar has many programmers which can also be used. Infineon has also released a new programming tool called XMC Flasher. This tool works with Seggar programmers but does not look to work with the miniWiggler.
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Revision History Version A Date Nov. 13, 2017 AN-013-A OPS241 Code Update Description Initial release.