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这是一个LINUX下多串口驱动程序

Install step:
step 1:
	make
step 2:
	make install
step 3:
	cp rc.jpt /etc/rc.d
step 4:
	edit /etc/inittab by vi, add following in last line,
	
	jpt::sysinit:/etc/rc.d/rc.jpt

step 5:
	reboot linux, and check if jpt activated by command "lsmod | grep jpt"

note: ttynames are assigned as follow example,
      1st card : ttyn0  --- ttyn15
      2nd card : ttyn16 --- ttyn31
      3rd card : ttyn32 --- ttyn47
      4th card : ttyn48 --- ttyn63
      5th card : ttyn64 --- ttyn79