User's Manual

-61-
Services
Byte 0 has always the same format in all frames and it is compulsory to start with it in order to know which frame
type is.
byte 0
0 2
16
0 0 1 0
2
0 0 1 0
2
byte 7 6 5 4 3 2 1 0
value 0 0 0 0 0 0 1 0
The information obtained in this step is:
• Parking slot (bit 7) 0 ® free
• Battery state (bit 6) 0 ® normal
• Frame type (bits 0-3) 0010 2 = 2 ® Frame type 2, daily update frame
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remote node service explained in the section “How to create your own dashboard”). In this case, the value is
615d01991642. Then two bytes (6 and 7) have to be added following the instructions:
In byte 6, bits from 0 to 4 are booked for the hour of the current time, in this case, 18. The rest bits have no value.
A conversion of the hour value to binary is needed to put all values according to the byte pattern: 18
10
= 10010
2
byte 6
byte 7 6 5 4 3 2 1 0
value 0 0 0 1 0 0 1 0
Convert the entire binary byte to hexadecimal format: 00010010
2
= 1216. And this is the result for byte 6.
In byte 7, bits from 0 to 5 are reserved for the minutes of the current time, in this case, 45. Then, bit 6 is the reset
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where all the dashboard parameters are saved. In this case, the values are 0 and 1 respectively.
Change the minute value to binary to generate this byte: 45
10
= 101101
2
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their values: 10101101
2
.
byte 7
byte 7 6 5 4 3 2 1 0
value 1 0 1 0 1 1 0 1
A conversion from this binary value to hexadecimal format is needed to get byte 7: 10101101
2
= AD
16
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the node. The result of the whole process is: 615D0199164212AD.