I have an application, for an 8051 device, that accepts commands, acts on them, and provides a reply.  I want to implement a command that will load code (for an new function) into a reserved section of Code memory so that the code will run when a different…

Hi. I have an INVPC exception that I am trying to debug on a Cortex M4 STM32. The stack contains the following values:

0x08003555 xPSR
0x08006824 PC
0x08006824 LR
0x00000000 R12
0x08003341 R3
0x08006824 R2
0xFFFFFFFD R2
0x0000FFFF R0

The PC and LR both point…

Hi, 

I'm using keil5 MDK ARM for my project development. 

I want to use custom scatter file for placing my constitution variable and function in pre defined memory section. 

Please provide step by step procedure for this application and give some example…

Hi everyone.

i'm building some prototype devices based on a reference design from a client of mine. 

The reference design uses an AP8064 Audio SoC which has a Cortex M3 core.

The AP8064 does not have any on-board flash. The dev-kit and the reference…

I am having some issues trying to debug what appear to be some very strange behaviors. For example, we have:

static const char* LOG_FORMAT = "0x%02x,%.5f,";

and the pointer changes for no obvious reason. Sometimes to garbage, sometimes to other…