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speeduino
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Low res (1ms) timer enabled for Teensy

This commit is contained in:
Josh Stewart 2016-10-10 22:38:40 +11:00
parent 7e6f102a5a
commit 241314e42d
4 changed files with 10 additions and 5 deletions
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2
globals.h
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@ -147,7 +147,7 @@ struct statuses {
unsigned int PW; //In uS
volatile byte runSecs; //Counter of seconds since cranking commenced (overflows at 255 obviously)
volatile byte secl; //Continous
volatile int loopsPerSecond;
volatile unsigned int loopsPerSecond;
boolean launchingSoft; //True when in launch control soft limit mode
boolean launchingHard; //True when in launch control hard limit mode
int freeRAM;

4
reference/speeduino.ini
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@ -1196,7 +1196,7 @@ menuDialog = main
gaugeCategory = "Other"
clockGauge = secl, "Clock", "Seconds", 0, 255, 10, 10, 245, 245, 0, 0
deadGauge = deadValue, "---", "", 0, 1, -1, -1, 2, 2, 0, 0
loopGauge = loopsPerSecond,"Main loop speed", "Loops/S" , 0, 20000, -1, 500,1800, 4000, 0, 0
loopGauge = loopsPerSecond,"Main loop speed", "Loops/S" , 0, 70000, -1, 500,1800, 4000, 0, 0
memoryGauge = freeRAM, "Free memory", "bytes" , 0, 8000, -1, 1000,8000, 1000, 0, 0
;-------------------------------------------------------------------------------
@ -1363,7 +1363,7 @@ menuDialog = main
TPSdot = scalar, U08, 21, "%/s", 10.00, 0.000
advance = scalar, U08, 22, "deg", 1.000, 0.000
tps = scalar, U08, 23, "%", 1.000, 0.000
loopsPerSecond = scalar, S16, 24, "loops", 1.000, 0.000
loopsPerSecond = scalar, U16, 24, "loops", 1.000, 0.000
freeRAM = scalar, S16, 26, "bytes", 1.000, 0.000
batCorrection = scalar, U08, 28, "%", 1.000, 0.000
spark = scalar, U08, 29, "bits", 1.000, 0.000

4
timers.h
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@ -24,7 +24,9 @@ volatile int loopSec;
volatile unsigned long targetOverdwellTime;
volatile unsigned long targetTachoPulseTime;
#if defined (CORE_TEENSY)
IntervalTimer lowResTimer;
#endif
void initialiseTimers();
#endif // TIMERS_H

5
timers.ino
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@ -26,6 +26,9 @@ void initialiseTimers()
/* Now configure the prescaler to CPU clock divided by 128 = 125Khz */
TCCR2B |= (1<<CS22) | (1<<CS20); // Set bits
TCCR2B &= ~(1<<CS21); // Clear bit
#elif defined (CORE_TEENSY)
//Uses the PIT timer on Teensy.
lowResTimer.begin(oneMSInterval, 1000);
#endif
}
@ -35,7 +38,7 @@ void initialiseTimers()
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) //AVR chips use the ISR for this
ISR(TIMER2_OVF_vect, ISR_NOBLOCK)
#elif defined (CORE_TEENSY)
void timer2Overflowinterrupt() //Most ARM chips can simply call a function
void oneMSInterval() //Most ARM chips can simply call a function
#endif
{