simtrace

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347 discussions

Simtrace prototype progress
by Harald Welte 21 Jun '11

21 Jun '11

Hi all, Kevin and I have been making great progress today, spending about 12 hours with debugging, re-working and re-designign simtrace. The previous malfanction seemed to be caused by attachign the Vcc from the phone to the AD7 input of the SAM7. Apparently the Vcc of the phone was >= 50mV higher than the Vcc of the SAM7, and this caused the phone (/smartcard reader) to give up as it could not raise the power line to the level it wanted to raise it, even before switching on clock to the card. Aside from the one prototype, we have also received 5 units made by some friends of K2 in china, who unfortunately used a previous gerber that had even more bugs. Nonetheless, three out of those 5 units have been re-worked, and are now functional, too. We will do a very quick 2nd prototype spin with the following changes * fix all the bugs as per the trac tickets * use the new bus switch with lower resistance * use a LDO with two outputs (and two enable inputs) so we can use a GPIO to supply the SIM card with voltage ourselves * add a power distribution switch with < 1Ohm Rds-on so we can alternatively switch through the Vcc from the phone to the SIM * add a resistive divider between VCC_phone and the ADC input * use angled jumpers so the overall unit remains flat The gerber will be sent off tomorrow for a '3 working days' quick PCB, the corresponding digikey order, too. Kevin has offered to solder the next prototype. If everything works well, we will immediately go into production of something like 100 units to make sure they're ready before the CCC Camp (where some people might be interested in obtaining one). Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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SIMtrace hardware update
by Harald Welte 20 Jun '11

20 Jun '11

Hi all, unfortunately the number of hardware bugs is quite numerous. for those interested in the details, feel free to read the ticket list in trac. None of the bugs that I've found so far is too serious for a manual re-work of the prototype. My device is now already enumerating its SAM-BA loader on the USB. JTAG is working, too: I can set the red/green LED via JTAG. I'll do some further testing (SPI, SIM card interface) as soon as I find time... -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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SIMtrace PCBs / prototype progress
by Harald Welte 15 Jun '11

15 Jun '11

Hi all! Today the PCBs have arrived and I spent some tiem building the first prototype. Soldering after a long time was quite fun but worked great. However, I got stuck for way too long due to two pin-out problems: * the voltage regulator pinout is completely mixed up * the reset switch pinout is wrong and causes the device to be in nRESET all the time I've now applied some re-work and the CPU seems running. However, due to some unknown (probably USB pull-up related) problem, I cannot see it enumerate on USB yet. Will keep you posted about my further progress. I've created tickets for the bugs in our trac (http://bb.osmocom.org/trac/query) Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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prototype PCBs have been drilled
by Harald Welte 08 Jun '11

08 Jun '11

See the attached image... -- - Harald Welte <hwelte(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Schivelbeiner Str. 5 * 10439 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Directors: Holger Freyther, Harald Welte

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SIMTRACE components have arrived
by Harald Welte 05 Jun '11

05 Jun '11

Hi all, JFYI: The components for the SIMTRACE prototypes have arrived. The PCB will be shipping on June 9, so I guess it will arrive after the whitsunday holidays and we should be able to build the first unit[s] on June 14 or 15. Kevin: Do you have some time around those dates? Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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FPC SIM adapters
by Harald Welte 03 Jun '11

03 Jun '11

Hi! It really seems like the FPCB (Flexible PCB) SIM card adapters have been removed from the rebelsimcard.com store. A couple of months ago, you could buy them separately from their "Hex Scanner". I have sent them an inquiry indicating my interest in buying bulk quantities (100 pieces). Let's see if that works. IF not, we may have to develop a 'plan B' in this area :( Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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SIMtrace PCB and components have been ordered
by Harald Welte 29 May '11

29 May '11

Hi Kevin and others, I've just ordered 4 prototype PCBs as well as components for at least 10 units. I'll keep you posted about the progress. We should have them in less than two weeks. Regards, Harald -- - Harald Welte <laforge(a)gnumonks.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)

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SIMtrace v0.9+
by Kevin Redon 22 May '11

22 May '11

Hi, The BOM (bill of material) is ready. I finished the netlist, footprint drawing, and footprint selection. all available at : https://gsm.tsaitgaist.info/SIMtrace/v0.9+/ next task : place the components on the board (i'll try smart card size) and route the lines. Kevin

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softSIM
by Kevin Redon 13 May '11

13 May '11

Hi, softSIM is out : http://bb.osmocom.org/trac/wiki/softSIM It's not fully implemented but already working (I hope). The osmocomBB use/cooperation will come out soon. Other tools are coming next week (I need to clean them). Have fun, tsaitgaist

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Osmocom project vs. sysmocom GmbH
by Harald Welte 13 May '11

13 May '11

Hi all! As some of you already know, Holger and I have recently started a new company called "sysmocom - systems for mobile communications GmbH". The process of establishing the new company has now formally concluded. Before some rumours start to spread, we would like to clarify some points and make sure there is mutual understanding between the Osmocom community and the sysmocom company. sysmocom is intended to provide commercial offerings related to the Osmocom projects. This is not entirely new. Especially on the network side, people like Holger and I have been doing quite a lot of paid development to bring those projects forward. We would not have many of the features we have today, if it wasn't for customers who actually pay us for development of OpenBSC, OsmoBSC, OsmoSGSN and the various side projects more targetted at a real network operator like cellmgr-ng, bsc-nat, gb_proxy - just to name a few. However, this has always only been freelancing development of Software. With sysmocom, we want to go one step further and work on hardware products related to the various Free Software projects. Right now I don't want to talk too much about unfinished products, but we are working towards an inexpensive BTS product, we are funding the prototypes for Osmocom SIMtrace, and we will likely also see stuff like OpenBSC appliances. Given our past involvement and exposure into other projects that share a split Free Software / business set-up, we think we understand very well where potential issues of conflict between the two sides may be. Let me make some more clarification what this is not about: * sysmocom is not about creating proprietary derivates of Osmocom software. We work on Free Software which is publicly available under OSI approved and FSF endorsed licenses. We may offer proprietary hardware and sometimes software - but those are independent projects from existing Osmocom software. * we specifically will not have a public and a non-public version of the same program with differences in features. * sysmocom is not a VC-funded startup. It's a very small company run out of personal funds with no intention to take external funding or grow rapidly. Nobody but Holger and I determine where it goes and what it does. * sysmocom does not hold any copyright on the Free Software projects. The copyrights stay distributed with the major authors such as Holger, Onwaves, Sylvain, Dieter, Andreas and myself. None of the others have any affiliation with sysmocom. I have (personally, unrelated to sysmocom) asked some of the smaller contributors for a copyright transfer to make sure we could do the AGPLv3 transition, or future re-licensing decisions without having to ask dozens and dozens of people. sysmocom does not seek to control the Free Software projects. * we will maintain a strict separation between the community side of things and the business side. Unlike some other popular projects, we will not end up in a situation where the osmocom.org websites will be full of advertisements and hidden links that lure you on the company website. * we will keep a strict separation of naming. Osmocom is for the FOSS projects, sysmocom for the business. The company will use the term "Osmocom" only in descriptive context, not as a product name, brand or for advertisement. If you do have any concerns, please feel free to share them. However, I'd like to avoid cross-posting them throguh different mailing lists. Please follow-up-to openbsc(a)lists.osmocom.org Regards, Harald -- - Harald Welte <hwelte(a)sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Schivelbeiner Str. 5 * 10439 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Directors: Holger Freyther, Harald Welte

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