I would suggest putting in logs in the interrupt handling logic to debug issues.
我建议把在日志中的中断处理逻辑调试的问题。
2
It is mainly composed of DMA controller (82c37), interrupt controller (82c59), programmable interval timers (82c54), DRAM refresh control, wait state generator and system reset logic.
The principal of imaging system is introduced. Three parts is expounded in details, such as construction of acquisition part, control logic of FPGA, DSP control and Interrupt respond.