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Administrator
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FRAM |
density |
4Mb |
(512Kx8) |
0x000000 |
0x3E8000 |
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The Web download will have an
Address and a packet of data. This would enable data to be downloaded for 1
items structure or several limited by the MQTT packet size |
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Memory Map Concept |
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Description |
Starting @ |
Ending @ |
#ofBytes |
QTY |
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Setup Config Data |
0x000000 |
0x0003E8 |
1000 |
1000 characters |
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GAP |
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500 |
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Tag Structure (12 Bytes) |
0x0001FA |
0x0034BC |
12000 |
1000 Tags |
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GAP |
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50 |
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Attendant info |
0x0034EE |
0x003782 |
660 |
30 Attendant |
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GAP |
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50 |
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Driver info |
0x0037B4 |
0x004114 |
2400 |
100 Drivers |
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GAP |
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50 |
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Vehicle info |
0x004146 |
0x00BE46 |
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1000 Vehicles |
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GAP |
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50 |
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Stock items |
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GAP |
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50 |
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Transaction Queue |
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Tag Structure (sample) |
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Tag CRC (1 byte) |
Tag # (6Bytes) |
TagType (1 Byte) |
Status (1Byte) |
Total Bytes |
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0x8C |
00006545BC30 |
A,D,V |
Active/ Blocked |
12Byte |
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Att info |
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Att name (12 Bytes) |
Employer # (6 Bytes) |
Rights (1byte) |
Total Bytes |
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John Smith |
123456 |
1 |
20 |
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Driver info |
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Driver name (12 Bytes) |
Employer # (6 Bytes) |
Rights (1byte) |
PIN (2Bytes) |
Total Bytes |
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Harry Smith |
123456 |
1 |
1234 |
21 |
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Vehicle Info |
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Veh Reg (10Bytes) |
Description (15Bytes) |
Fueling Mode(1byte) |
Rights(1byte) |
Fuel Grade(1byte) |
Fuel type(1byte) |
Total bytes |
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GFH456GP |
Blue Nissan Van |
1 |
1 |
0 |
1 |
29 |
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Stock items |
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Stock Code(6ytes) |
BarCode (14Bytes) |
Description (20Bytes) |
Price (6 bytes) |
VatCode (1byte) |
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123456 |
04009900376570 |
Fanta Orange 330ml |
12.55 |
A |
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Transaction Queue |
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Datetime(8 Bytes) |
Transaction#(4Bytes) |
Item (code) 14Byte |
Amount (6Byte) |
Vat Amount (4Bytes) |
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4CB1 |
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Locked
Memory Map Concept.xlsx (15K)