Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread
???
03/21/09 01:57
Read: times


 
#163724 - Hal, Good catch, but my code....
Responding to: ???'s previous message
Shifts all the bits to the left by 1 to puts in the read or write bit before transmission. It is sending out A0 and A1 for Read and Write respectively.

I did come to report that I found the problem is completely in my receive routine. While the simulator shows that it should be working, in hardware there is a true problem.

I got around to putting my Beagle I2C analyzer on the bus and started scrolling the 3 buttons. I found that it is saving, but receiving, the 51 is timing out with a NACK.

Here is a screenshot, there are 250 repeating lines:



Damn, the code looks right, I hope to get this resolved soon.....anyone have the time to look at the entire code???????

LMK and I'll post it up.

Thanks

List of 16 messages in thread
TopicAuthorDate
I appear to be doing it right, but doesn't work!            01/01/70 00:00      
   try another manufacturer            01/01/70 00:00      
      Hardware            01/01/70 00:00      
         single byte            01/01/70 00:00      
            no..........            01/01/70 00:00      
               what I meant            01/01/70 00:00      
                  I try the byte write            01/01/70 00:00      
                  This is drivng me out of my tree!!!!!            01/01/70 00:00      
                     Can you publish your schematics?            01/01/70 00:00      
                        Yes, as soon as I get my laptop up, in about 2 hours            01/01/70 00:00      
                           Here is EEPROM section attached to MPU            01/01/70 00:00      
                              decoupling caps            01/01/70 00:00      
                                 Power supply is quite            01/01/70 00:00      
                              Using the wrong address?            01/01/70 00:00      
                                 Hal, Good catch, but my code....            01/01/70 00:00      
      Looking at datasheet for Atmel            01/01/70 00:00      

Back to Subject List