#!/usr/bin/env python

import sys, string

print "Serial uploader"
if len(sys.argv) < 2:
	print "usage: uploader.py <file.srec>"
	sys.exit(0)

print "Reading file..."
f = open(sys.argv[1], "r")
lines = string.split(f.read(), "\r\n")

print "Starting upload..."
com = open("/dev/ttyS0", "w")
cnt = 0
for i in lines:
	if not (cnt % 10):
		sys.stdout.write("%d%%    \r" % (cnt * 100 / len(lines)))
		sys.stdout.flush()
	cnt = cnt + 1
	com.write(i + "\r\n")

print "Upload complete."