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added code to monitor time spent in interrupt handlers

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This commit is contained in:
Youen Toupin 2015-04-25 00:19:47 +02:00
parent c0250f685b
commit cf3f309ade
1 changed files with 26 additions and 4 deletions
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30
OneWireIO.ino
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@ -44,12 +44,22 @@ void owPullLow()
{
owPin.outputMode();
owPin.writeLow();
owOutTestPin.writeLow();
//owOutTestPin.writeLow();
}
void owRelease()
{
owPin.inputMode();
//owOutTestPin.writeHigh();
}
void onEnterInterrupt()
{
owOutTestPin.writeLow();
}
void onLeaveInterrupt()
{
owOutTestPin.writeHigh();
}
@ -166,9 +176,9 @@ void owHandleReset()
void onewireInterrupt()
{
//owOutTestPin.writeLow();
onEnterInterrupt();
onewireInterruptImpl();
//owOutTestPin.writeHigh();
onLeaveInterrupt();
}
//bool debugState = false;
@ -230,6 +240,8 @@ bool ignoreNextFallingEdge = false;
void owSearchSendBit()
{
onEnterInterrupt();
// wait for a falling edge (active wait is more reliable than interrupts to send the bit fast enough)
while (!owPin.read());
while (owPin.read());
@ -276,13 +288,18 @@ void owSearchSendBit()
delayMicroseconds(SendBitDuration - (micros() - sendBitStart));
owRelease();
onLeaveInterrupt();
}
void onewireInterruptSearchROM()
{
onEnterInterrupt();
if (ignoreNextFallingEdge)
{
ignoreNextFallingEdge = false;
onLeaveInterrupt();
return;
}
@ -295,6 +312,7 @@ void onewireInterruptSearchROM()
debug.SC_APPEND_STR("Master didn't send our bit, leaving ROM search");
status = OS_WaitReset;
attachInterrupt(InterruptNumber, onewireInterrupt, FALLING);
onLeaveInterrupt();
return;
}
@ -304,7 +322,7 @@ void onewireInterruptSearchROM()
{
++searchROMCurrentByte;
searchROMCurrentBit = 0;
debug.SC_APPEND_STR("sent another ROM byte");
//debug.SC_APPEND_STR("sent another ROM byte");
}
if (searchROMCurrentByte == 8)
@ -313,6 +331,7 @@ void onewireInterruptSearchROM()
status = OS_WaitReset;
debug.SC_APPEND_STR("ROM sent entirely");
attachInterrupt(InterruptNumber, onewireInterrupt, FALLING);
onLeaveInterrupt();
return;
}
@ -322,6 +341,7 @@ void onewireInterruptSearchROM()
setTimerEvent(10, owSearchSendBit);
detachInterrupt(InterruptNumber);
onLeaveInterrupt();
return;
}
else
@ -346,6 +366,8 @@ void onewireInterruptSearchROM()
byte currentByte = owROM[searchROMCurrentByte];
searchRomNextBit = bitRead(currentByte, searchROMCurrentBit);
searchRomNextBitToSend = searchROMSendingInverse ? !searchRomNextBit : searchRomNextBit;
onLeaveInterrupt();
}
bool readBit()