• AT91SAM7X256 interrupt pending
    Im using irq0 to generate an interrupt. when i debug the code, the values for SMR and SVR register are correct (as i can see in the AIC window). But the ISR is never serviced. and the pending flag for...
  • Clear pending interrupt for AT89C51CC03
    We are having a problem in that we are disabling external interrupt 1 (EX1) in order to prevent a task from happening, but, when we re-enable EX1, a pending IRQ is serviced. We would like to be able...
  • Clear of External Interrupt Pending bit
    Hi, I'm using Keil MDK-ARM 4.22a RTX OS on a STM3220G Eval board. I added RTX and FS to the "Memory" example and everything is working fine. I have tasks that read a file while another one is...
  • timer interrupt disable & enable - pending interrupts
    Hi, working with a LPC1758 I´ve installed a timer. In the interrupt routine I've several values which will be updated according to the current state. Is it the right approach to disable the timer...
  • Raw Interrupt Status
    Can someone tell me the difference between the "raw interrupt status register" and the ordinary "interrupt status register" in ARM processor? Many on-chip peripherals have these raw interrupt status...