Difference between revisions of "Iridium Edge Communication Protocol"
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| rowspan="1" style="text-align: center; style=" width: 150px; background: white; color: black;" |Limit to save user from exceeding the monthly plan. Max limit of 30000 due to 30KB plan. If set to 0 – limit will be off. | | rowspan="1" style="text-align: center; style=" width: 150px; background: white; color: black;" |Limit to save user from exceeding the monthly plan. Max limit of 30000 due to 30KB plan. If set to 0 – limit will be off. | ||
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Revision as of 11:13, 19 December 2022
Main Page > Accessories > Iridium Edge > Iridium Edge Communication ProtocolCommunication Protocol
| SBD Packet structure | ||||||
|---|---|---|---|---|---|---|
| Timestamp | Longitude | Latitude | SBD AVL ID and flags | DIN/DOUT info | Reserved | Speed |
| 4 bytes | 3 bytes | 3 bytes | 1 bytes | 1 bytes | 1 bytes | 1 bytes |
Definitions
- Timestamp – Indicates when record was generated
- Longitude - encoded in 3 bytes data. Server which gets this data should divide result from 46603,375 and subtract 180 in order to get actual longitude value. This coefficient is got in following way: 16777215(maximum 3 bytes value) divided from 360 (maximum longitude value then 180 is added). This calculation is used to fit negative and positive values to 3 bytes width variable.
- Latitude - Latitude is calculated in same way as longitude but since latitude maximum value is two times smaller than longitude it can produce a bit more accurate data. Coefficient for latitude is 93206,75. This coefficient is got in following way: 16777215(maximum 3 bytes value) divided from 180 (maximum latitude value then 90 is added). This calculation is used to fit negative and positive values to 3 bytes width variable.
- SBD AVL ID and flags – Custom id that will indicate what caused the record to be generated (as only periodic records are generated, id is not used)
- Din/Dout info - Displays configured IO elements in parameter id 99422
- Reserved - Not used anywhere, but left due to compatibility with fm6 project.
- Speed – Indicates the speed of the vehicle if configured. If not (or in case of no gps) – will display 255
Data Sending Parameters
Information here includes the data sending parameters which identifies the naming of the parameter in accordance to it's number.
| Parameter ID | Parameter name | Min values | Max values | Default values | Description |
|---|---|---|---|---|---|
| 99420 | Iridium Edge | 0 | 1 | 0 | This parameter enables or disables Iridium Edge functionality |
| 99421 | Save/Send period | 0 | 1440 | 1440 | This parameter lets to configure Iridium Edge sending period |
| 99422 | SBD IO source | 0 | 6 | 0 | SBD IO elements which when enabled are included into the SBD record |
| 151 | RS232 Mode | 0 | 26 | 0 | Implement ability to select "Sattelite backup" |
| 99423 | SBD Upload Limit | 0 | 30000 | 8000 | Limit to save user from exceeding the monthly plan. Max limit of 30000 due to 30KB plan. If set to 0 – limit will be off. |
