类似于需要排队的中断,仅次于ISR
eCos uses a split interrupt handling scheme where the interrupt processing is divided into two parts. The first part is the ISR, and the second part is the Deferred Service Routine (DSR). This scheme allows for the minimal amount of interrupt latency in the system by reducing the amount of time spent inside interrupt service routines. The idea is to keep the processing done in the ISR to a bare minimum. In this scheme, the DSR is executed with interrupts enabled, allowing other higher priority interrupts to occur and be processed in the midst of servicing a lower priority interrupt. eCos uses a split interrup
eCos uses a split interrupt handling scheme where the interrupt processing is divided into two parts. The first part is the ISR, and the second part is the Deferred Service Routine (DSR). This scheme allows for the minimal amount of interrupt latency in the system by reducing the amount of time spent inside interrupt service routines. The idea is to keep the processing done in the ISR to a bare minimum. In this scheme, the DSR is executed with interrupts enabled, allowing other higher priority interrupts to occur and be processed in the midst of servicing a lower priority interrupt. eCos uses a split interrup
