B. Application Programming
It should to operate the command on the PCV to using
data acquisition devices WI-FI, as in figure 5. Open
acquisition instrument, when the system has finished loading,
it will ask whether to open WI-FI mode, if not open, then
enter the cable connection mode for data collection status. If
WI-FI mode is opened, AP mode or STATION mode will be
asked to select, If choose AP mode, the operating system will
Close WI-FI, free hardware resources, load the driver ap.ko,
set the IP address of the wireless network, open UDHCP
functions, and the status word will be written into the