Just fixing a type error: "...of Rhizomatica I express..."
On 1/13/19 9:00 AM, Rafael Diniz wrote: > Hi Mychaela, > > This is very good news - wonderful! In the name of Rhizomatica T express > our gratitude for the donation - thank you! > > Rafael Diniz > Rhizomatica > > On 1/12/19 7:59 PM, Mychaela Falconia wrote: >> Hello FreeCalypso community, >> >> I am overjoyed to announce that our FCDEV3B V2 boards are finally here: >> last night I have tested the first batch of 8 boards which I picked up >> from Technotronix on Thursday. Here are the findings: >> >> Yield: out of the total of 8 boards in this batch, 5 are good and 3 >> have defects. Out of the 3 defective boards, one has perfectly working >> RF but is unable to talk to the SIM in the socket, while the other two >> have RF defects: one has totally dead RF (both Rx and Tx, all 3 bands), >> the other exhibits a bad Rx path for the low band, but the rest works. >> In the case of the board on which only the SIM interface doesn't work, >> we have previously encountered the same symptoms in one of our earlier >> FCDEV3B V1 batches, and replacing the SIM socket made it work, hence I >> am going to try the same on this board. In the case of the two boards >> with different RF defects, I will have a discussion with Technotronix >> about failure analysis. But even if we are not able to fix any of >> those 3 defective boards, we still have 5 perfectly good ones from >> this batch. >> >> V2 changes: unlike our previous FCDEV3B V1 boards, these new V2 boards >> have perfectly working sleep while keeping our high-capacity Spansion >> S71PL129NC0HFW4B flash+pSRAM chip! Thus we now have proof that my >> innovative (not from TI, not from OM, not from Pirelli) flash reset >> circuit change is working as I intended. With my recent changes to >> the firmware we have regained flash chip type autodetection, thus we >> can now populate either this big Spansion flash+pSRAM chip or the >> smaller Samsung flash+RAM chip that was used by Openmoko and have the >> same fw build work with both, but for our development boards we are >> keeping the big version for the obvious reason: large flash and RAM >> capacity is very handy for development. If anyone ever pays for the >> development of a commercial FreeCalypso modem module in a small SMT >> form factor, that version can use the smaller memory capacity more >> appropriate for a production modem. >> >> Out of the 5 defect-free boards in this batch, the availability is as >> follows: one board I need to keep for myself, one more board is >> earmarked for Rafael (Rhizomatica), and the other 3 are now available >> for commercial users at the regular price of $500 USD each. If the >> latter 3 boards are not bought quickly by the people I have in mind, >> at least one of them will be reallocated to FreeCalypso marketing >> outreach purposes: I would like to offer a free board to anyone from >> the ofono developer community who would be willing to get our FC modem >> product family properly supported in ofono. Aside from the 3 defective >> boards which may or may not be repairable, I still have 3 unpopulated >> PCB panels, enough for 12 more boards before needing another PCB fab >> run - but I will need to do a thorough round of failure analysis with >> Technotronix before we assemble that next batch. >> >> The next steps for me are: >> >> * I need to add the new sleep mode configuration I mentioned before, >> the one that enables big and small sleep, but not deep sleep, for >> those users who would rather not be burdened with making their host >> interface software sleep-aware, and who are willing to live with >> greater power draw in return for interface simplicity - engineering is >> all about trade-offs and compromises. >> >> * I need to test one of those 8 ohm 0.5 W speakers I bought from >> SparkFun and see if they perform as well as the similar-looking >> unknown-origin speaker that was donated to me by a member of my local >> LUG. If these SparkFun speakers work well, I'll be able to recommend >> them as an official choice for FCDEV3B lab bench setups, otherwise I >> will have to go back on the hunt for a suitable speaker. >> >> * I will need to write a sleep-aware userspace implementation of the >> GSM 07.10 MUX (which our FC modem supports) to serve as an exerciser >> for this feature of our modems, and add it to our FC host tools suite. >> >> * Once all of the above are done, I will need to make an updated >> version of the user's manual for the FCDEV3B, and only then the >> current iteration of our modem product development will be considered >> complete. >> >> * After all of the above, I will need to get back to the project of >> bringing up my BeagleBoard-xM and interfacing it to our FCDEV3B, for >> the purpose of exercising digital voice over MCSI and making it work. >> If anyone else has a need for this digital voice interface and has >> something else (othen than BB-xM) to connect to it for testing, feel >> free to beat me to it! >> >> Hasta la Victoria, Siempre, >> Mychaela aka The Mother > > _______________________________________________ > Community mailing list > Community@freecalypso.org > https://www.freecalypso.org/mailman/listinfo/community > _______________________________________________ Community mailing list Community@freecalypso.org https://www.freecalypso.org/mailman/listinfo/community