wouldn't post with dtbo attached, reattached as zip On Wednesday, January 20, 2021 at 6:59:37 AM UTC+10 Yendor wrote:
> Hi Robert, > Seeed have not open sourced the board or software so I don't have any > schematic, and in my excitement to find the standard image booting I flash > it to the emmc with out working how to back it up first, so no default > image for me (for now, if I get this to work, the unit fits my needs > perfectly and I'll be getting more and more chance to get the default > image). > > My next challenge is to get the LoRa card working (top mPCIe connect on > the side with the two mPCIe connetors). What I know is that the card is a > RAK2247 SPI Concentrator module and I need to be able to drive pin 22 of > the mPCIe to reset the card. > > So I need to find the SPI bus that it is connected to, any Ideas? > I was thinking of finding/designing a mPCIe proto board and looping the rx > and tx and doing some echo test. But the only one I can find with google is > https://twinind.com/index.php/products/pci-express-products/mini-pci-express-adaptors/sh09mpe-pb1-pcb/ > > but that will end up costing me around $150USD by time I got it shipped to > me. On the other hand seeed are able to make and ship to me 10 units for > under $30USD, so just need to R&D (ripoff and deploy) a design and get in > made. > > Then I need to work out what GPIO is driving PIN 22 of the LoRa mPCIe > connector maybe to dtbo can give us some clues, I managed to decompile it > with dtc (don't know if I did it correctly) and am still working out what > it all means. But I am guessing it just the setup of all the pins, but how > to drive them and what I'm going to let the smoke out of if I do is another > question. But my current idea here is to drive the pins one by one till I > see a change at PIN22 on the LoRa mPCIe connector (proto board would help > here to, as well as some educated guessing). > > dtbo and decompiled dts attached > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/7f715e57-e57f-4040-a5dc-f969a8bda82an%40googlegroups.com.
<<attachment: SeeedStudioGateway.zip>>
