import ROOT

import sys

import binascii

import struct

import os

file = open(sys.argv[1],'rb')

size = os.path.getsize(sys.argv[1])

print size

adcs = ROOT.TH2F("all","all",9000,0,9000,300,-20,280)

wordSize = 4

bytes = file.read(wordSize)

bin = 0

channel = 0

flip = 0

#for byte in range(0,size,4):

"""while bytes != "":

	if (bin > 255): # if the last bin has been reached,

		bin = 0 # reset and increment channel

		channel += 1

		#hist = run.getChannelRun(channel).adcHist

	word = struct.unpack('i',bytes)[0]

	print bytes, word

	bytes = file.read(wordSize) # read the next word

	if (word): # if the bin value is not zero, add to the histogram

		adcs.Fill(channel, bin, word)

		bin += 1

		print channel, bin

"""

f =  open(sys.argv[1], "rb")

byte = f.read(4)

while byte:

	#print int(byte)

	word = struct.unpack('I',byte)[0]

	#print word

	adcs.Fill(channel,bin,word)

	bin += 1

	if (bin == 256):

		bin = 0

		channel += 1

        # Do stuff with byte.

	if (channel > 2000 and channel < 3000 and word > 0):

		print channel, bin, word

	#print channel, bin

        byte = f.read(4)

c = ROOT.TCanvas()

adcs.Draw()

c.SaveAs("adcs.C")