When a timer expires, an interrupt occurs. The handler needs to complete quickly so it does nothing but set a flag. Another routine blocks on the flag and then does the actual work required.

Defining device drivers Discussing the difference between architecture-specific and board-specific drivers Providing several examples of different types of device drivers Most embedded hardware ...

When an interrupt fires, the interrupt handler will contain a reference to the function that should be executed. In order to set the called function in a reusable manner, it can be helpful to create ...

One pro-Palestine protester was arrested and several were escorted from Chelsea Handler's comedy show after interrupting.

Beyond this, interrupts along with interrupt handlers provide for a convenient way to respond to both external and internal events.

In “ Handler Migration and Direct Interrupt Scheduling,” Jupyung Lee and Kyu Ho Park of the Korea Advanced Institute of Science and Technology describe two techniques to minimize the scheduling ...

Test for silicon revision 0. */ ustat1 = astat; /* astat kept across vectoring */ r0 = mode2; /* get silicon rev. (simulator is 0)*/ r1 = 0x30000000; /* value for silicon rev. 0 */ r0 = r0 and r1; /* ...

For example, a serial port might issue an interrupt request when a new character arrives. The processor responds to the request by transferring control to an interrupt handler or interrupt service ...

For most UNIX systems, Linux included, device drivers typically divide the work of processing interrupts into two parts or halves. The first part, the top half, is the familiar interrupt handler, ...

This paper will discuss design practices and guidelines that will maximize the efficiency of interrupts and interrupt handling in an embedded system IC. These practices can result in a smaller code ...