please post the code you use to read from the chip John
--- In [email protected], "kaffbeemer" <[EMAIL PROTECTED]> wrote: > > Hi all, > > after having found the sample i2c in apps/i2c i can communicate with > the chip. I also get the initial 0x80 byte after reset of the chip. > But the measured values returned from the chip are invalid. They > randomly vary between 0x00 and 0xff. > Is this a known issue and the reason why acme is using bit banging > from user space to interface the PCF8591? (timing problems?) > > Regards Klaus >
