Write Onewire data toa I2C memory / read ASCI

[Eugeniu]

Hi !

Here is some informations about DS 1820 "

TEMPERATURE/DATA RELATIONSHIP Table 2
TEMPERATURE DIGITAL OUTPUT DIGITAL OUTPUT
_______________(Binary)_____________(Hex)

+85.0°C*____ 0000 0000 1010 1010___00AAh
+25.0°C ____ 0000 0000 0011 0010___0032h
+0.5°C______ 0000 0000 0000 0001 __0001h
0°C_________0000 0000 0000 0000___0000h
-0.5°C______1111 1111 1111 1111____FFFFh
-25.0°C_____1111 1111 1100 1110____FFCEh
-55.0°C_____1111 1111 1001 0010____FF92h

only right byte I use , but I must to conver it in decimal . The left byte I use only to put "-" sign when it is = FFh .For right side of comma , I use byte 6 from sensor - COUNT REMAIN- . Tell me how convert right byte in decimal