2812 has a three-level interrupt mechanism, namely the peripheral level, PIE level and CPU level. For a specific peripheral interrupt request, if any level is not allowed, the CPU will not execute the
[size=4][color=#000000][backcolor=white]The number of cloud data centers is growing rapidly. According to some analysts, by 2020, the installed base of major cloud providers will triple. This growth i
There is a problem when adding USB CDC function in the official demo application SDDataLog. When sensorile is plugged into the PC USB port, the virtual serial port can be recognized normally at first.
A: If I just connect a speaker to control the sound, is that OK? B: This is an audio decoding module. The sound can only be played when the CPU's I2S interface is connected to the audio decoding modul