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- ACOMMS_RECEIVED_DATA - binary string type - contains all the received data. Data from multiple frames is concatenated together, even if frames in the middle are missing.
- ACOMMS_BAD_FRAMES - string type - comma delimited list of bad frame indices
- ACOMMS_SOURCE_ID - double type - integer ID of the transmitting modem
- ACOMMS_DEST_ID - double type - integer ID of the destination modem (0 = broadcast)
- ACOMMS_RATE - double type - integer rate of the transmission
- ACOMMS_RECEIVED_STATUS - double type - integer indicated status. 0=good, 1=partial, 2=bad
Unified Interface
Sometimes the simple interface is cumbersome because applications have to subscribe to many variable to get enough information about incoming acomms transmissions. With the unified interface, only one variable is required to send or receive data.
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Enabled using the "enable_ranging" process config, this option syncs all transmissions to a PPS pulse provided by PPS. Both sending and receiving modems must have this option enabled to work. If the legacy option is enabled the travel time will be posted to ACOMMS_ONE_WAY_TRAVEL_TIME, otherwise the travel time will be contained in the AcommsReception object.
Other Variables
Publications
- ACOMMS_DRIVER_WARNING - string - debug warnings
- SYSTEM_TIME_SECONDS - double - time of system clock from midnight, used for synchronization purposes.
- VIEW_RANGE_PULSE - blue for transmissions; green, yellow, or red for receptions depending on status.
Subscriptions