• Interrupt Enable
    Hello, here's a question about the interrupt handling of a Siemens 80C165: I use the external interrupt 5, which works like it should. Sometimes, I want to disable that interrupt, so that the controller...
  • Interrupt Enable?
    Study the traffic example bout RTX-51 and interrupt. I was so confused. Since I can not find any file called the function os_enable_isr(). And the serial file use the standard C51 interrupt function...
  • Problem in Interrupt Enable process
    since working with RTX, to enable interrupt should be operated by os_enable_isr(), and directly setting bit in IE is no useful......but, the problem is why it failed to call os_enable_isr(4) to enable...
  • Single stepping while interrupts are enabled
    Is there a setting in uVision 4 for the Silabs C51 processors that allow single stepping over interrupts while interrupts are enabled? I have the ADC sampling 7 channels every 30mSec and when I put...
  • Why timer interrupts are getting enabled?
    Hi, I am using P89V51RD2 Micro controller for my project(Which is having 64k Program memory and 1024bytes data RAM and I am programming in C ).I am disabling interrupts (making EA=0)before calling a...