I followed the steps in the technical manual to add the SPI driver module to SEED-DVS8168 of Hezhongda. When executing insmod omap2_mcspi.ko, the error insmod: error inserting 'omap2_mcspi.ko': -1 Dev
The on-site temperature and humidity are collected through PLC, and the water valve is adjusted according to the temperature PID and humidity PID to maintain the temperature and humidity of the worksh
Dear experts, I have been debugging the ARM board these days and found a problem. The system was running smoothly after booting up, but after a while, I found that the system time became 0:00. So I op