72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// main.cpp
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// Lets Arduino RadioHead sketches run within a simulator on Linux as a single process
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// Copyright (C) 2014 Mike McCauley
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// $Id: simMain.cpp,v 1.3 2020/08/05 04:32:19 mikem Exp mikem $
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#include <RadioHead.h>
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#if (RH_PLATFORM == RH_PLATFORM_UNIX)
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#include <stdio.h>
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#include <RHutil/simulator.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <time.h>
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SerialSimulator Serial;
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// Functions we expect to find in the sketch
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extern void setup();
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extern void loop();
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// Millis at the start of the process
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unsigned long start_millis;
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int _simulator_argc;
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char** _simulator_argv;
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// Returns milliseconds since beginning of day
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unsigned long time_in_millis()
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{
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struct timeval te;
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gettimeofday(&te, NULL); // get current time
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unsigned long milliseconds = te.tv_sec*1000LL + te.tv_usec/1000; // caclulate milliseconds
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return milliseconds;
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}
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// Run the Arduino standard functions in the main loop
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int main(int argc, char** argv)
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{
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// Let simulated program have access to argc and argv
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_simulator_argc = argc;
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_simulator_argv = argv;
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start_millis = time_in_millis();
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// Seed the random number generator
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srand(getpid() ^ (unsigned) time(NULL)/2);
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setup();
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while (1)
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loop();
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}
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void delay(unsigned long ms)
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{
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usleep(ms * 1000);
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}
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// Arduino equivalent, milliseconds since process start
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unsigned long millis()
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{
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return time_in_millis() - start_millis;
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}
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long random(long from, long to)
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{
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return from + (random() % (to - from));
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}
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long random(long to)
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{
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return random(0, to);
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}
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#endif
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