Compiler Issues with fuses on 18F4431

[dmccric]

I have been invoking the ccs compiler from the MPLAB IDE on my current project and have run into some compiler issues, I have set my fuses to what I want but the compiler will not use them and puts in its own in, when I do this on another computer it works ok.

I have all the latest versions of the compiler & MPLAB plug-ins but I cant seem to find the cause of this, I cant use the '#rom' directive to change the fuses directly but this is not good.

[PCM programmer]

Some fuses are not allowed in Debug mode. See this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=38429&highlight=debug+mode

If that doesn't help, then post a very small test program that shows the
shows the problem (and compiles without errors).

Also post your compiler version.

[ckielstra]

Also check your MPLAB. Maybe you have an option set to ignore or clear the configuration bits.
For example in MPLAB 8.46 with PicKit3: Programmer - Settings - Program Memory

[dmccric]

This also happens when not in debug mode, the compiler version is 4.108.
I have checked the program settings in MPLAB and the ICD3 is set to automatically set the memory ranges.

When I compile the same code on another machine with the same compiler version and I then import that hex file into MPLAB on my machine and the configuration fuses change to what they should be but if I simply compile it on mine then they are messed up.

If the fuses are not setting correctly it doesn't give me confidence when writing code as I spend more time debugging errors that should not be there.

[dmccric]

Also I forgot to mention that when I wrote the code it was working in debug mode as normal then simply changed for no reason (they must be a reason), once I write code that works I dont go around changing it later.

[Ttelmah]

Do a re-install on the problem machine.
A corruption in the device database, can cause silly fuse values.

Best Wishes