mirror of
https://github.com/meshtastic/firmware.git
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121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
#include "OSThread.h"
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#include "configuration.h"
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#include <assert.h>
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namespace concurrency
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{
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/// Show debugging info for disabled threads
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bool OSThread::showDisabled;
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/// Show debugging info for threads when we run them
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bool OSThread::showRun = false;
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/// Show debugging info for threads we decide not to run;
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bool OSThread::showWaiting = false;
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const OSThread *OSThread::currentThread;
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ThreadController mainController, timerController;
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InterruptableDelay mainDelay;
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void OSThread::setup()
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{
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mainController.ThreadName = "mainController";
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timerController.ThreadName = "timerController";
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}
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OSThread::OSThread(const char *_name, uint32_t period, ThreadController *_controller)
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: Thread(NULL, period), controller(_controller)
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{
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assertIsSetup();
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ThreadName = _name;
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if (controller) {
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bool added = controller->add(this);
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assert(added);
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}
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}
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OSThread::~OSThread()
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{
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if (controller)
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controller->remove(this);
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}
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/**
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* Wait a specified number msecs starting from the current time (rather than the last time we were run)
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*/
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void OSThread::setIntervalFromNow(unsigned long _interval)
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{
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// Save interval
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interval = _interval;
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// Cache the next run based on the last_run
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_cached_next_run = millis() + interval;
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}
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bool OSThread::shouldRun(unsigned long time)
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{
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bool r = Thread::shouldRun(time);
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if (showRun && r)
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DEBUG_MSG("Thread %s: run\n", ThreadName.c_str());
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if (showWaiting && enabled && !r)
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DEBUG_MSG("Thread %s: wait %lu\n", ThreadName.c_str(), interval);
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if (showDisabled && !enabled)
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DEBUG_MSG("Thread %s: disabled\n", ThreadName.c_str());
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return r;
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}
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void OSThread::run()
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{
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currentThread = this;
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auto newDelay = runOnce();
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runned();
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if (newDelay >= 0)
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setInterval(newDelay);
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currentThread = NULL;
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}
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/**
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* This flag is set **only** when setup() starts, to provide a way for us to check for sloppy static constructor calls.
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* Call assertIsSetup() to force a crash if someone tries to create an instance too early.
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*
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* it is super important to never allocate those object statically. instead, you should explicitly
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* new them at a point where you are guaranteed that other objects that this instance
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* depends on have already been created.
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*
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* in particular, for OSThread that means "all instances must be declared via new() in setup() or later" -
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* this makes it guaranteed that the global mainController is fully constructed first.
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*/
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bool hasBeenSetup;
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void assertIsSetup()
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{
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/**
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* Dear developer comrade - If this assert fails() that means you need to fix the following:
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*
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* This flag is set **only** when setup() starts, to provide a way for us to check for sloppy static constructor calls.
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* Call assertIsSetup() to force a crash if someone tries to create an instance too early.
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*
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* it is super important to never allocate those object statically. instead, you should explicitly
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* new them at a point where you are guaranteed that other objects that this instance
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* depends on have already been created.
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*
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* in particular, for OSThread that means "all instances must be declared via new() in setup() or later" -
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* this makes it guaranteed that the global mainController is fully constructed first.
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*/
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assert(hasBeenSetup);
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}
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} // namespace concurrency
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