Dear Bernhard Kraft, 2015-05-18 18:53 GMT+02:00 Bernhard Kraft <kraftb@xxxxxxxxxxxxx>: > Hi, > > On 2015-05-18 15:00, Alex Beregszaszi wrote: > >> There are many cheap I2C adapter projects (mostly USB though). One of >> the simple ones (i2c-tiny-usb) is included in the kernel [...] > > > I knew of the OpenSource project i2c-tiny-usb. But sadly the hardware ist > not sold anywhere (At least I didn't find vendors). > > >> As regarding to cheap serial line based adapters, there are two I have >> seen before [...] > > > None of them seems to have kernel drivers available. So I could stick to my > own homebrewn Arduino solution. > > >> I am afraid handling serial devices within a i2c kernel driver might be >> tricky and purists probably dislike the idea. > > > Currently there is at least one driver for such a case already in the > kernel: drivers/i2c/busses/i2c-taos-evm.c > > I found it by "grep serio.h" in i2c/busses/. But this driver rather only > supports SMBus which is kind of subset of I2C. Or you could call it I2C with > more strict requirements upon timing and protocol. > > In fact this would have been the driver I would have based my work on if > someone said: Go on, this is a good thing to include in the kernel. Personally, I find the idea very interesting, Arduino is so common that using it a usb/i2c bridge could benefit really a lot of people. Actually I'm think also to spi! > But for now I think I will just publish the Arduino sketch and a sample > implementation on how to access I2C devices with it. Probably we should stick to other protocol driver implementation, but from a rapid analisys, this will be the second in kernel serial to i2c adapter, so I think there is not such a string standard protocol in this field. Please publish your sketch, I think making the driver is really not a complex matter! Count on me for any help, I really like the idea to have my name on such an interesting project! Sincerely, Angelo > > greetings, > Bernhard > -- > Wer nicht gelegentlich auch einmal kausalwidrige Dinge zu denken vermag, > wird seine Wissenschaft nie um eine neue Idee bereichern können. > Max Planck (1858-1947) > _______________________________________________ > devel mailing list > devel@xxxxxxxxxxxxxxxxxxxxxx > http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel -- Profile: http://it.linkedin.com/in/compagnucciangelo _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
