Follow me is a large-scale development board experience event jointly initiated by DigiKey and EEWorld. In each issue, technical experts recommend development boards/instrument kits that are easy to play and learn, and take everyone to actually operate. Participants can return JD.com cards after completing the tasks. There are four events in this season, and this event is the second one.
I am using sangsun2440, which is claimed to be the development board of WINCE5.0 BSP. Now I am confused because of processing a key interrupt (corresponding to EINT19). The OEMinit function in BSP is
This video uses animation to explain the concepts of oscilloscope triggering, storage depth, sampling rate, etc. Although this video is not perfect, for example, when it first talks about triggering,