I'm working on a project that uses 3 UARTS on a EK- TM4C123GXL with a TM4C123GH6PM processor. I keep getting errors like this for each of the registers when using the debugger:
*** error 65: access violation at 0x400FE070 : no 'write' permission
The debugger memory map does not show read or write access for these registers. I have gone through adding ranges for each of the register blocks I'm using. As soon as I get out of the debugger to make changes to my code all the blocks I've added to the memory map disappear. Is there something I need to do to make my changes permanent?
I'm using Keil uVision v5.14, with TM4C123GH6PM set as the project target. I have Stellaris ICDI Selected in the Project Options -> Utilities menu with no init file. I've tried both the current and legacy database versions. Shouldn't the registers already be Mapped?