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.
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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// Copyright (c) 2012-2024 Scott Penrose <scottp@dd.com.au> and WII5 Buoy contributors
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//
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// This file is part of WII5 Buoy firmware.
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// See LICENSE for full terms.
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/**
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* @file WII5ModeLowBattery.h
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* @brief Declares WII5ModePosition (position mode).
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*
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* @note The WII5ModePosition.h / WII5ModeLowBattery.h header pair are
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* swapped relative to their filenames in this codebase: this file
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* (WII5ModeLowBattery.h) declares class WII5ModePosition, and
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* WII5ModePosition.h declares class WII5ModeLowBattery. The corresponding
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* .cpp files match their filenames. TODO: untangle and rename.
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*/
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#ifndef WII5ModePosition_h
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#define WII5ModePosition_h
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#include <Arduino.h>
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#include <WII5.h>
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#include <TimeLib.h>
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enum WII5POSITION_STEPS {
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WII5POSITION_START,
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WII5POSITION_STROBE,
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WII5POSITION_TIME,
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WII5POSITION_GPS_START,
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WII5POSITION_GPS_WAIT,
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WII5POSITION_IRIDIUM_WAIT,
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WII5POSITION_END
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};
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/**
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* @brief Position mode: periodic GPS + Iridium telemetry only.
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*
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* Lower-power than full Capture mode: turns on GPS, gets a fix, sends
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* a position via Iridium SBD, then idles until the next position window.
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* No IMU capture, no SD writes.
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*/
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class WII5ModePosition : public WII5Mode {
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public:
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WII5ModePosition() {}
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/** @brief Reset to WII5POSITION_START. */
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void reset();
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/** @brief One-time bring-up. */
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void begin();
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/** @brief State-machine tick. */
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void loop();
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/** @brief Begin a position acquisition cycle. */
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void start();
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/** @brief Abort the current cycle. */
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void stop();
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protected:
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bool first;
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elapsedMillis displayWait;
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elapsedMillis wait;
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WII5POSITION_STEPS step;
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WII5POSITION_STEPS lastStep;
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uint32_t minutes; // since midnight.
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};
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extern WII5ModePosition wii5ModePosition;
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#endif
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