I2C Slave not functioning on newer version of CCS

[johanpret]

I have implemented I2C slave code very simular to the example. It works perfect if compiled with version 4.064 but if I compile with version 4.077 or 4.076 it causes the master to "hang" look like disabling all interupts on the master. I have posted to CCS support to tell me what changed because they state that :

"4.077 Some problems with slave I2C have been fixed, see the newest EX_SLAVE.C"

Did not get an answer yet.

Does anyone on the forum know what was "fixed" I saw something about clock streaching is now the default for chips that support it. I added the option of "NO_STRETCH" to the I2C definition with no effect. The slave compiled with the newest version still have an effect on the master.

For now I am using the older version of the compiler but I don't like the effect of upgrading causing previous working code not to work.

Johan
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Johan Pretorius