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setFrequency restarts the already running timer after chaniging the f… #81

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setFrequency restarts the already running timer after chaniging the f… #81

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7 changes: 7 additions & 0 deletions DueTimer.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,8 @@ DueTimer& DueTimer::start(double microseconds){
NVIC_EnableIRQ(Timers[timer].irq);

TC_Start(Timers[timer].tc, Timers[timer].channel);

_running = 1;

return *this;
}
Expand All @@ -139,6 +141,8 @@ DueTimer& DueTimer::stop(void){
NVIC_DisableIRQ(Timers[timer].irq);

TC_Stop(Timers[timer].tc, Timers[timer].channel);

_running = 0;

return *this;
}
Expand Down Expand Up @@ -237,6 +241,9 @@ DueTimer& DueTimer::setFrequency(double frequency){
// ... and disable all others.
t.tc->TC_CHANNEL[t.channel].TC_IDR=~TC_IER_CPCS;

if (_running)
start();

return *this;
}

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2 changes: 2 additions & 0 deletions DueTimer.h
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Expand Up @@ -44,6 +44,8 @@ class DueTimer
// Represents the timer id (index for the array of Timer structs)
const unsigned short timer;

int _running = 0;

// Stores the object timer frequency
// (allows to access current timer period and frequency):
static double _frequency[NUM_TIMERS];
Expand Down