serial

Usage: ./serial [option]

 -b baudrate, Set baudrate(9600,115200 etc.) 
 -p ttySx, Set port name to  ttySx
 -P string, Set pattern from file if string happened being a file, 
	or as "x:nn:nn:..." to start with"x:" to input hex,
	otherwise ascii text 
 -t, no sending at start
 -n, no new_line
 -i, no id number
 -c count, send times before stop 
 -d, no device name
 -v, no CRC&packet 
 -?h, this usage