On 20 May 2016 at 15:53, <jic23@xxxxxxxxxxxxxxxxxxxxx> wrote: > On 19.05.2016 22:12, Jonathan Cameron wrote: >> >> On 19 May 2016 19:14:52 BST, Lasse Schuirmann >> <lasse.schuirmann@xxxxxxxxx> wrote: >>> >>> Hi, >>> >>> I'm trying to use Linux on a Lenovo Yoga 300 and can't get the >>> accelerometer running. It was suggested at >>> >>> https://github.com/hadess/iio-sensor-proxy/issues/83#issuecomment-220399560 >>> that I contact this mailing list as no driver seems to exist yet. >>> >>> The device in question is an accelerometer from "Bitland Corporation" >>> with the APCI ID "DUAL250E". >>> >>> Windows drivers seem to be available at >>> http://driverlibs.com/download/Dual-Accelerometer. >>> >>> I wonder if somebody possibly has the same problem and/or would be >>> interested in helping getting this to work. >>> >>> Sincerely, >>> >>> Lasse Schuirmann >> >> >> Hmm long shot but any idea if it could be a rebadged bma250e which is a >> Bosch >> sensortech part? Not sure what the dual bit would be about though. >> >> Digging in those windows drivers may give us more info. They are on >> lenovos >> website as well. >> >> On phone right now but will have a look tomorrow. >> > > Hmm. The driver in question is based on Microsoft's example accelerometer > driver > for an ADXL345. > > https://msdn.microsoft.com/en-us/library/windows/hardware/dn760713(v=vs.85).aspx > > Not sure this is going to get us much further though... > > No usefully named function names that I can get out of the > DualSPDAccelerometer.dll > Not sure where to go next on reverse engineering this. Are you willing to > open things up to take a look at what is on the board? This is not my device so I can't say definitely but I may well be able to open it up once if you tell me what you're looking for as I'm not much of a hardware person. > Few times I've gotten involved with doing this it's always been a case of > getting > some probes on the chip. There probably are other ways of doing it but > I've no idea how in windows! > > My gut feeling is that Bitland don't make Mems devices so are getting it > from > someone else. Could be wrong, but it's someway from what their core > business > seems to be (putting generic stuff together to make machines for other > people). > > Jonathan -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
