• __fiq not recognized
    Hello all, i attempte to execute the following code: ===================================================== #include <LPC21xx.H> void FIQ_Handler (void) __fiq; //declare FIQ ISR void initFiq...
  • __irq keyword
    Hi all, I use a STR912 device from ST. In the examples from their library, the interrupt functions are not preceeded with the __irq keyword. 2 questions : What is the difference between a...
  • SAM7SE512: __irq sends my interrupts into a loop
    I have an interrupt routine to trigger when a PIO pin changes. It triggers when it should, but never seems to clear - it just keeps recurring thereafter. void vbusDetIRQHandler(void) __irq { ULONG...
  • use of __irq with Coretx M3 devices (Luminary)
    Hi I see that the Luminary examples of interrupt functions do not use the __irq keyword attribute on the interrupt functions. Any reason why? (is the __irq not needed when using M3 devices ?...
  • ARM Compiler 5.06 Cannot Handle __irq
    Below code for Cortex-R5 CPU, __irq void Foo( void ) With ARM 5.05, it compiles OK as PUSH     {r0-r12,lr} ... POP      {r0-r12,lr} SUBS     pc,lr,#4 With ARM 5.06, it compiles  NOT OK as PUSH     {r4...