i2c-eeprom.py

i2c-eeprom.py

#!/usr/bin/python

import sys
import time
import os

bus = sys.argv[1] # /dev/i2c-X
addr = sys.argv[2] # 0x50
filename = sys.argv[3]
offset = 0

file = open(filename,"r")

while True:
    chunk = file.read(16)
    if not chunk:
        break
    data = " ".join("0x{:02x}".format(ord(c)) for c in chunk)
    chlen = len(chunk)
    cmd = "i2ctransfer -y %s w%d@%s 0x%X %s" % (bus, chlen + 1, addr, offset, data)
    print cmd
    os.system(cmd)
    time.sleep(0.1)
    offset += chlen

file.close()

cmd = "i2cdump -y %s %s" % (bus, addr)
print cmd
os.system(cmd)