#!/usr/bin/ruby

system "stty 19200 raw -crtscts cs7 -echo < /dev/com1"
rs232c = open("/dev/com1", "r")

def hoge(x)
	printf "%x %x %x %x %x\n", x[0], x[1], x[2], x[3], x[4]
end

def hoge2(x)
	x[0, 127].each {|y|
		z = y + 64
		print z.chr
	}
	print "\n"
end

c = Array.new

loop {
	IO.select([rs232c], nil, nil, 5) or raise("Timeout occurred.");
	x = rs232c.getc
	c.push(x)
	if(x > 0x6f) 
		if(c.length == 1)
			c.clear
		elsif(c.length == 5)
			hoge(c[0, 4])
			c.clear
		elsif(c.length == 134)
			hoge2(c[0, 133])
			c.clear
		elsif(c.length == 138)
			hoge(c[0, 4])
			hoge2(c[4, 133])
			c.clear
		else
			print "====protocol error====\n"
			c.clear
		end
	end
}