Synchronization primitives, do I need CLREX?

Hi all, I'm trying to understand the LDREX/STREX commands in an ARM Cortex M3 MCU to implement atomic access to various variables (the goal is to implement semaphores/mutexes or increment/decrement shared...
Synchronization primitives, do I need CLREX?

Hi all, I'm trying to understand the LDREX/STREX commands in an ARM Cortex M3 MCU to implement atomic access to various variables (the goal is to implement semaphores/mutexes or increment/decrement shared...
Modify Exception handler

Note: This was originally posted on 6th April 2012 at http://forums.arm.com Hello everyone, I want to run a SW-emulated coprocessor: when the ARM processor generates an "Undefined Instruction", I launch...
OVERWRITE EXCEPTION HANDLER

Hello, I use the NXP LPC 2368 and want to write a function to save the exceptions Data Abort Error, Undefined Instruction Error and Pre-fetch Abort Error in a seriel EEPROM and after reset the CPU...
exception handler problem.

hello, first sorry for my bad english. I want to light up 4 leds on stm32f4 discovery board. I am able to do that without using interrupt in 4-5 lines. But when i try to do that inside exception...