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.
143 lines
4.1 KiB
C++
143 lines
4.1 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.cpp
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* @brief Low-battery mode: degraded operation when supply is depleted.
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*/
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/*
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LowBattery mode - a simple repeatign mode that will capture position data and send it.
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*/
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#include <Arduino.h>
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#include <TimeLib.h>
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#include <WII5.h>
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void WII5ModeLowBattery::reset() {
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step = WII5LOWBATTERY_START;
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wait = 0;
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}
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void WII5ModeLowBattery::begin() {
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}
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void WII5ModeLowBattery::start() {
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step = WII5LOWBATTERY_GPS_START; wait = 0;
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}
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void WII5ModeLowBattery::stop() {
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step = WII5LOWBATTERY_END; wait = 0;
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}
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void WII5ModeLowBattery::loop() {
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bool first = (lastStep != step);
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lastStep = step;
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switch (step) {
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case WII5LOWBATTERY_START:
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if (first) {
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// TODO This seems bad, perhaps only if next is 10 minutes?
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// First time in, turn off devices we don't need.
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// Can we turn off Maths.
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sh3dNodeIO.led1Set( LED_TRIPPLE_GAP );
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wii5Controller.setSDOff();
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wii5Gps.off();
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wii5Iridium.stop();
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wii5Sparton.stop();
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wii5Controller.shared5Off();
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console.log(LOG_INFO, F("LowBattery: Waiting for %lu minutes"),
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wii5Display.minutesUntilNext(40)
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);
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}
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else if (wait > (WII5TIME_1DAY * 1000)) {
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console.log(LOG_ERROR, F("LowBattery: Timeout - over 24 hours, moving on to do a location and data send"));
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step = WII5LOWBATTERY_GPS_START; wait = 0;
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}
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else {
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// TODO - reduce this complicated task ? Lots of maths, being run at full speed
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minutes = (hour() * 60) + minute();
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if ( (minutes % 40) == 0) {
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console.log(LOG_INFO, F("LowBattery: Starting minutes match period min=%lu, period=%lu"), minutes, 40);
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step = WII5LOWBATTERY_GPS_START; wait = 0;
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sh3dNodeIO.led1Set( LED_TRIPPLE_GAP );
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}
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}
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break;
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case WII5LOWBATTERY_GPS_START:
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// Ask the GPS for accurate data
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console.log(LOG_DEBUG, F("LowBattery: Starting GPS, Battery, Temperature"));
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#ifdef WII5_GPS
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wii5Gps.autoAccurate();
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#endif
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wii5Battery.start();
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wii5Weather_18B20.temperatureRead();
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step = WII5LOWBATTERY_GPS_WAIT; wait = 0;
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break;
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case WII5LOWBATTERY_GPS_WAIT:
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if (first) {
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displayWait = 0;
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}
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else if (wii5Gps.ready()) {
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if (wii5Gps.isError()) {
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console.log(LOG_ERROR, F("LowBattery: GPS Finished with ERROR"));
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}
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wii5Gps.off();
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step = WII5LOWBATTERY_IRIDIUM_WAIT; wait = 0;
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}
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else if (wait > 120000) {
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console.log(LOG_ERROR, F("LowBattery: GPS Timed out after 300 seconds"));
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step = WII5LOWBATTERY_IRIDIUM_WAIT; wait = 0;
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}
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break;
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case WII5LOWBATTERY_IRIDIUM_WAIT:
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if (first) {
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console.log(LOG_INFO, F("LowBattery: Communications start"));
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wii5Communications.setSimpleMode();
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// Increment updateRecordCount for each save to SD OR send to Iridium
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wii5Communications.sendBinModeType(1, wii5Config.getRecordCount());
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wii5Communications.start();
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}
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else if (!wii5Communications.isRunning()) {
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console.log(LOG_INFO, F("LowBattery: Communications end"));
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step = WII5LOWBATTERY_END; wait = 0;
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}
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// TODO 10 minutes ok
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else if (wait > 600000) {
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console.log(LOG_FATAL, F("LowBattery: Communications timeout"));
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step = WII5LOWBATTERY_END; wait = 0;
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}
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break;
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case WII5LOWBATTERY_END:
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if (first) {
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console.log(LOG_DEBUG, F("LowBattery: End"));
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}
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wii5Communications.stop();
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wii5Gps.off();
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// Stop everything
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wii5Controller.setSDOff();
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wii5Sparton.stop();
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wii5Controller.shared5Off();
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step = WII5LOWBATTERY_START; wait = 0;
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break;
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default:
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console.log(LOG_FATAL, F("LOWBATTERY: Default step... step=%d"), step);
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step = WII5LOWBATTERY_START;
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}
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}
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WII5ModeLowBattery wii5ModeLowBattery;
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