scottp
295abb37ee
Firmware for an autonomous wave-measurement buoy (ATmega2560-based WII5 v2 board). Reads wave motion from a Sparton AHRS-M1/M2 IMU, samples GPS and battery state, and reports back over Iridium SBD satellite telemetry. Originally developed 2012-2024. This is the first public release. Code, documentation, and field-tested operating modes (Capture, Sleep, Position, ManualTest, SelfTest, LowBattery) are licensed under Apache 2.0 — see LICENSE and NOTICE. See README.md for an overview and build instructions, CONTRIBUTING.md for how to contribute, and DEPLOYMENTS.md for the field-deployment log.
46 lines
1.6 KiB
Markdown
46 lines
1.6 KiB
Markdown
# External References
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Vendor documentation that the WII5 buoy firmware was developed against.
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These documents are not redistributed in this repository (their licensing is
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unclear); refer to the vendor sites for current copies.
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## Iridium 9602 / 9603 SBD modems
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Used for satellite telemetry. Key reference is the **Iridium 9602 / 9603
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SBD Transceiver Developer's Guide** (AT-command set, SBD message lifecycle,
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binary message framing for `+SBDWB` / `+SBDI`).
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- Iridium developer portal: https://www.iridium.com/services/iridium-sbd/
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- Search the Iridium partner network for the current "9602/9603 Developer
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Guide" PDF.
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Relevant code: `WII5Iridium.cpp`, `WII5SerialManager.cpp` (`+SBDWB`,
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`+SBDI`, `+CSQ` parsing), `WII5BinData.*` (340-byte message format).
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## Sparton AHRS-M1 / AHRS-M2
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Used as the primary IMU / wave-motion sensor. Key references:
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- AHRS-M1 / AHRS-M2 Software Interface Control Document
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- AHRS-M1 / AHRS-M2 Hardware ICD
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- NorthTek Programming Manual (Sparton's Forth-like configuration language;
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the `programLine()` helpers in `WII5SerialManager.cpp` emit NorthTek
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commands).
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- Sparton (now Bel Power Solutions / part of Bel Fuse) documentation:
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https://www.belfuse.com/
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Relevant code: `WII5Sparton.cpp`, `WII5Setup.cpp` (compass/AHRS init).
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## Other components
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- **Dallas DS18B20** — temperature sensor:
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https://www.analog.com/en/products/ds18b20.html
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(Used in `WII5Weather_18B20.cpp` via the OneWire / DallasTemperature
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Arduino libraries.)
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- **TinyGPS++** — NMEA parser library:
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https://github.com/mikalhart/TinyGPSPlus
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- **u-blox NEO-6M / NEO-7M** — GPS module datasheets (NMEA reference):
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https://www.u-blox.com/
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