Error starting USRP E310 using communication toolbox

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Ivan Zakhartchuk
Ivan Zakhartchuk 2021-5-10
回答： Gavin Grant 2021-6-2
Hello. Problem when launching sd card USRP E310 after burning USB stick using toolbox. The console output looks like this:
U-Boot SPL 2017.01 (Jan 22 2020 - 17:58:15)
mmc boot
Trying to boot from MMC1
** Partition 1 not valid on device 0 **
spl_register_fat_device: fat register err - -1
spl_load_image_fat: error reading image fpga.bin, err - -1
spl: error reading image fpga.bin, err - 1
** Partition 1 not valid on device 0 **
spl_register_fat_device: fat register err - -1
** Partition 1 not valid on device 0 **
spl_register_fat_device: fat register err - -1
spl_load_image_fat: error reading image u-boot.img, err - -1
SPL: failed to boot from all boot devices
### ERROR ### Please RESET the board ###
TRX-B Led is off. The board responds but fails to read the data. Tell me how to solve this problem. Flash drive format FAT32
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Gavin Grant
Gavin Grant 2021-5-12
Great, glad to hear that you managed to get it working. Please let us know if you have any further questions that come up as you explore with the USRP Embedded support package.
Ivan Zakhartchuk
Ivan Zakhartchuk 2021-5-16
I also want to ask you if there are any examples for creating receiver projects based on USRP E310. I want to make an amplitude direction finder.
FPGA: Window FFT GPIO Finding the maximum with N switches
ARM: Spectrogram reading and post-processing and display of azimuth and spectrum on a PC
PC: Display
Tell me what examples and documentation you need to study for this. I am new to this and have previously worked with GNUradio. Thanks in advance.

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回答（2 个）

Gavin Grant
Gavin Grant 2021-6-2
Ivan,
Apologies for the delayed reply. As a recommendation for the future, it's best to start a new thread when asking separate questions, since we might miss replies to the original one.
With respect to your question, the best place to start would be the Hardware-Software Co-Design examples. Specifically, Target an ADS-B Airplane Tracker Using USRP E3xx and HW/SW Co-Design Workflow demonstrates how to partition an ADS-B decoder algorithm between the FPGA and ARM. You could use the Receiver algorithm as a starting point, implementing your:
  • FFT on the FPGA
  • Post-processing and UDP Send on the ARM
  • UDP Receive and visualisation on the host PC
Best regards,
Gavin
Gavin Grant
Gavin Grant 2021-6-2
Your SD card should have 1 partition formatted with a FAT32 or FAT16 filesystem.
To manage SD card disk partitions, try
  • Linux: fdisk
  • Windows: Disk Management tool
If making any modifications, ensure you have selected the correct disk (SD card).
Best regards,
Gavin

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