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Thanks, I'm glad someone was able to duplicate what I was seeing.

My interrupt functions do call built in functions, which would explain the need for 2 stack levels by the interrupt functions.

I ...

I've got an unusual result in my statistics output file:

ROM used: 2585 (32%)
2982 (36%) including unused fragments

2 Average locations per line
6 Average locatio ...

If you are trying to set up your PIC as master of an I2C bus using SW implementation, and slave of an altogether different bus (or even the same bus I suppose) using the HW SSP module, here is some co ...

swapping the order of the two #use i2c statements seems to do the trick and solve all my problems.

I believe i2c_isr_state() was somehow getting the state from the master i2c which was always 0, be ...

First thing I tried may shed some light:

Uncommenting the #use i2c(master) and compiling creates a very different hex file from the above source.

But uncommenting the #use i2c(master) and placin ...

Thanks PCM Programmer and Ttelmah for the ideas. It appears that whether I have "slow" or "stream=I2CS" in the #use i2c for the slave, the compiler generates the same hex file (I'm ...

http://www.imagehosting.com/out.php/i1615920_print000.png

There's an example of what I'm seeing on the scope. Note the address shown on the scope, "30" is the 7 bit address display. If I ...

For a question like this, you've got to post the slave program, the master
program, and the compiler version. The programs must be complete, and
compilable with no errors.

I was afraid you'd ask ...

Hello, I'm new to CCS C and I2C but so far I have been able to get several things working. I am having problems implementing the SLAVE hardware on my 16f877A. The chip is also being used as the master ...