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100 lines
2.4 KiB
Plaintext
100 lines
2.4 KiB
Plaintext
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NAME
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UpTime.h - Arduino uptime and events in seconds
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SYNOPSIS
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#include <Arduino.h>
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#include <UpTime.h> // https://github.com/jozef/Arduino-UpTime
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uptime_interval fire2(2);
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uptime_interval fire5(5,UPTIME_RIGHT_AWAY);
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void setup () {
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Serial.begin(9600);
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}
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void loop () {
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Serial.println("uptime: "+uptime_as_string()+" or "+uptime()+"s");
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if (fire2.check()) Serial.println("2s elapsed");
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if (fire5.check()) Serial.println("5s elapsed");
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delay(1400);
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}
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will output:
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uptime: 00:00:00 or 0s
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5s elapsed
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uptime: 00:00:01 or 1s
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uptime: 00:00:02 or 2s
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2s elapsed
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uptime: 00:00:04 or 4s
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2s elapsed
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uptime: 00:00:05 or 5s
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5s elapsed
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uptime: 00:00:07 or 7s
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2s elapsed
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uptime: 00:00:08 or 8s
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2s elapsed
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uptime: 00:00:09 or 9s
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uptime: 00:00:11 or 11s
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2s elapsed
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5s elapsed
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…
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uptime: 04:41:23 or 16883s
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uptime: 04:41:25 or 16885s
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2s elapsed
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5s elapsed
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uptime: 04:41:26 or 16886s
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2s elapsed
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uptime: 04:41:28 or 16888s
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2s elapsed
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uptime: 04:41:29 or 16889s
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uptime: 04:41:30 or 16890s
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2s elapsed
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5s elapsed
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DESCRIPTION
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Uptime class is made to to track uptime of Arduino in seconds. The
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uptime() or check() functions has to be called at least once for 0xFFFF
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seconds (once in 18h) to work. Seconds will be counted even after
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Arduinos millis() overrun and the seconds of unsigned long are enough
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to not overrun sooner then in 136+ years. Once 0xFFFF0000 seconds is
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elapsed, will trigger reset so that Arduino program clearly starts all
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over again.
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METHODS
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bool check()
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Returns true/false if the interval elapset.
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void reset(bool postpone = true)
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Will reset the time to count from current moment in until interval. If
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postpone is set to false, check() will return true with next call.
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INSTALL
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git clone https://github.com/jozef/Arduino-UpTime sketchbook/libraries/UpTime
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EXAMPLES
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examples/UpTime_tick/UpTime_synopsis.ino
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synopsis section example
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examples/UpTime_tick/UpTime_tick.ino
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print formatted and raw uptime in seconds und 4x interval
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LICENSE
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This is free software, licensed under the MIT License.
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AUTHOR
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Jozef Kutej
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