Adeunis RF SIGFOX-EUROPE Gebruikershandleiding - Pagina 8

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ADEUNIS RF - SIGFOX EUROPE demonstrator - USER GUIDE V1.1
5.2. Decoding frame with GPS – 12 Bytes (example : 9C 12 45 15 07 80 00 55 39 80 38 00)
Bytes N°
11
9C
Value
Example Decoding
byte N°11
Bit N°
7
6
1
0
Value
Hex Binary
Bytes N°
1
0
0
9C
1
11
1
1
0
0
12
10
45
9
15
8
98
7
20
6
00
5
55
4
34
3
40
2
38
38
1
00
0
10
9
8
7
12
45
15
98
5
4
3
2
1
0
1
1
1
0
Bit N°
7
Presence of T°C info
6
Accelerometer triggered
5
Triggering via BP1
4
Presence GPS info
3
Frame reception counter present
2
Frame transmission counter present
1

Reserved

0
Reserved
Temperature in °C (Signed two's-complement temperature in °C)
7..4
BCD coding of the integer part of the degrees latitude (tens of a degree)
3..0
BCD coding of the integer part of the degrees latitude (degree units)
7..4
BCD coding of the integer part of the minutes latitude (tens of minutes)
3..0
BCD coding of the integer part of the minutes latitude (units of minutes)
7..4
BCD coding of the decimal part of the minutes latitude (tenths)
3..0
BCD coding of the decimal part of the minutes latitude (hundredths)
7..4
BCD coding of the decimal part of the minutes latitude (thousandths)
3...1
Reserved
0
Coding of the hemisphere :
7..4
BCD coding of the integer part of the degrees longitude (hundreds of a degree)
3..0
BCD coding of the integer part of the degrees longitude (tens of a degree)
7..4
BCD coding of the integer part of the degrees longitude (degree units)
3..0
BCD coding of the integer part of the minutes longitude (tens of minutes)
7..4
BCD coding of the integer part of the minutes longitude (units of minutes)
3..0
BCD coding of the decimal part of the minutes longitude (tenths)
7..4
BCD coding of the decimal part of the minutes longitude (hundredths)
3..1
Reserved
0
Coding of the hemisphere :
In bidirectional mode: Frame transmission counter on 8 bits
In unidirectional mode: MSB of the frame transmission counter on 16 bits
In bidirectional mode: Frame transmission counter on 8 bits
In unidirectional mode: LSB of the frame transmission counter on 16 bits
6
5
4
3
20
00
55
34
0
0
Comment
2
1
0
40
38
00
0 : Present
1 : Non present
0 : Yes
1 : No
0 : Yes
1 : No
0 : Present
1 : Non present
0 : Present
1 : Non present
0 : Present
1 : Non present
45°15,9820
45°15,9820
45°15,9820
45°15,9820
45°15,9820
45°15,9820
45°15,9820
0 : North
1 : South
005°53,440
005°53,440
005°53,440
005°53,440
005°53,440
005°53,440
005°53,440
0 : East
1 : West
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Value
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