read temperature from one i2c device and send it as string to another

i2c/ds1621_lcd.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import smbus
+import time
+
+bus = smbus.SMBus(1)
+address = 0x49
+
+def getTemp():
+    bus.read_byte_data(address, 0xEE)
+    tempFull = bus.read_byte_data(address, 0xAA)
+    counter = bus.read_word_data(address, 0xA8)
+    slope = bus.read_word_data(address, 0xA9)
+    temp = tempFull - 0.25 + float(slope - counter) / slope
+    bus.read_byte_data(address, 0x22)
+    return temp
+
+while True:
+    for c in '%9.1f' % round(getTemp(), 1) + ' C':
+        bus.write_byte(0x23, ord(c))    
+    time.sleep(1)