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41 lines
1.2 KiB
41 lines
1.2 KiB
#pragma once
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#include <Mesh.h>
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#include <Arduino.h>
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class VolatileRTCClock : public mesh::RTCClock {
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uint32_t base_time;
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uint64_t accumulator;
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unsigned long prev_millis;
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public:
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VolatileRTCClock() { base_time = 1715770351; accumulator = 0; prev_millis = millis(); } // 15 May 2024, 8:50pm
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uint32_t getCurrentTime() override { return base_time + accumulator/1000; }
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void setCurrentTime(uint32_t time) override { base_time = time; accumulator = 0; prev_millis = millis(); }
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void tick() override {
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unsigned long now = millis();
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accumulator += (now - prev_millis);
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prev_millis = now;
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}
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};
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class ArduinoMillis : public mesh::MillisecondClock {
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public:
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unsigned long getMillis() override { return millis(); }
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};
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// Wrap-safe millis deadline check. Handles the 49-day millis() overflow
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// using signed comparison (2's complement). Use instead of millis() >= target.
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inline bool millis_passed(unsigned long target) {
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return (long)(millis() - target) > 0;
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}
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class StdRNG : public mesh::RNG {
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public:
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void begin(long seed) { randomSeed(seed); }
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void random(uint8_t* dest, size_t sz) override {
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for (int i = 0; i < sz; i++) {
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dest[i] = (::random(0, 256) & 0xFF);
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}
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}
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};
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