Hi,
I have generated a new project using Processor Expert using the KSDK 1.1. and I have added the MQX standard component plus others. I have then connected this to an IAR project and built it.
After getting what I believe are the correct pre-processor settings etc. have got it to compile but was getting random Hard fault interrupts.
Eventually I have tracked this down to the a bad heap settings.
In bsp_config.h there is the following:
| #define __HEAP_START Image$$ARM_LIB_HEAP$$Base |
| #define __HEAP_END Image$$ARM_LIB_STACK$$ZI$$Limit |
In the icf file the following is generated:
place in DATA_region { readwrite, block CSTACK, block HEAP};
This means the heap end is before the heap start and the lwmem thinks the heap is huge and incorrectly placed so memory allocations overwrite the kernel_data. I have unchecked the option to generate the icf file and changed the line as follows:
place in DATA_region { readwrite, block HEAP, block CSTACK };
Now the heap size and location is correct and all works well.
I believe this is a bug in the processor Expert but if anyone knows that I am doing something wrong then I would like to know.
Best regards,
Adrian.
