3 月 2020

General Interrupt Controller Polling: keep waiting, waste of resources Interrupt: keep doing other things until interruption Manual:ftp://192.198.164.82/pub/fpgaup/pub/Intel_Material/15.0/Tutorials/Using_GIC.pdf ICCICR: must be set to 1 so that interrupt can happen ICCPMR: priority: 0 has the highest priority;Only if the hardware has a priority level higher than ICCPMR, this interrupt would be triggered. 阅读更多…