i2c start and stop conditions

Joel Sherrill joel.sherrill at OARcorp.com
Fri Jan 23 22:12:51 UTC 2009


Hi,

Paul Evans passed this information to me
privately and I wanted to get it out to the
list as a whole.

> he i2c "start" and "stop" conditions are manually controlled by the 
> RTEMS libi2c code, unfortunatly our i2c controller like most I guess-- 
> generates these conditions itself as part of normal framing. Our device 
> driver has to queue up a "start/data/stop" sequence and strip off the 
> start and stop before activating the hardware. This reminds me of trying 
> to use termios to control a UART that does packeting operations..
How can we best handle this? 

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel.sherrill at OARcorp.com        On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985





More information about the users mailing list