The temperature value how to converted to hex as the follow:
-
if the temperature value MSByte bit
D11 = 0, then
The temperature is positive and value (℃) =+(temperature value) / 16 -
if the temperature value MSByte bit
D11 = 1, then
The temperature is negative and value (℃) =~(2's complement of temperature value) / 16
| 12 bit binary | value | value | ℃ |
|---|---|---|---|
0111 1111 0000 |
7F0 |
2032 |
127.000 |
0111 1110 1110 |
7FE |
2030 |
126.875 |
0111 1110 0010 |
7F2 |
2018 |
126.125 |
0111 1101 0000 |
7D0 |
2000 |
125.000 |
0001 1001 0000 |
190 |
400 |
25.000 |
0000 0000 0010 |
002 |
2 |
0.125 |
0000 0000 0000 |
000 |
0 |
0.000 |
1111 1111 1110 |
FFE |
-2 |
-0.125 |
1110 1111 0000 |
E72 |
-400 |
-25.000 |
1100 1001 0010 |
C92 |
-878 |
-54.875 |
1100 1001 0000 |
C90 |
-880 |
-55.000 |
from GDEH0213B1 (page 10 of 29)