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only pragma -O3 critical functions

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This commit is contained in:
Harald Barth 2021-08-01 11:56:12 +02:00
parent f8fb08e331
commit 6d7c1925b0
1 changed files with 10 additions and 3 deletions
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13
DCCWaveform.cpp
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@ -17,7 +17,7 @@
* You should have received a copy of the GNU General Public License * You should have received a copy of the GNU General Public License
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>. * along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
*/ */
#pragma GCC optimize ("-O3")
#include <Arduino.h> #include <Arduino.h>
#include "DCCWaveform.h" #include "DCCWaveform.h"
@ -58,6 +58,8 @@ void DCCWaveform::loop(bool ackManagerActive) {
progTrack.checkPowerOverload(ackManagerActive); progTrack.checkPowerOverload(ackManagerActive);
} }
#pragma GCC push_options
#pragma GCC optimize ("-O3")
void DCCWaveform::interruptHandler() { void DCCWaveform::interruptHandler() {
// call the timer edge sensitive actions for progtrack and maintrack // call the timer edge sensitive actions for progtrack and maintrack
// member functions would be cleaner but have more overhead // member functions would be cleaner but have more overhead
@ -79,7 +81,7 @@ void DCCWaveform::interruptHandler() {
else if (progTrack.ackPending) progTrack.checkAck(); else if (progTrack.ackPending) progTrack.checkAck();
} }
#pragma GCC push_options
// An instance of this class handles the DCC transmissions for one track. (main or prog) // An instance of this class handles the DCC transmissions for one track. (main or prog)
// Interrupts are marshalled via the statics. // Interrupts are marshalled via the statics.
@ -197,6 +199,8 @@ const bool DCCWaveform::signalTransform[]={
/* WAVE_LOW_0 -> */ LOW, /* WAVE_LOW_0 -> */ LOW,
/* WAVE_PENDING (should not happen) -> */ LOW}; /* WAVE_PENDING (should not happen) -> */ LOW};
#pragma GCC push_options
#pragma GCC optimize ("-O3")
void DCCWaveform::interrupt2() { void DCCWaveform::interrupt2() {
// calculate the next bit to be sent: // calculate the next bit to be sent:
// set state WAVE_MID_1 for a 1=bit // set state WAVE_MID_1 for a 1=bit
@ -252,7 +256,7 @@ void DCCWaveform::interrupt2() {
} }
} }
} }
#pragma GCC pop_options
// Wait until there is no packet pending, then make this pending // Wait until there is no packet pending, then make this pending
@ -306,6 +310,8 @@ byte DCCWaveform::getAck() {
return(0); // pending set off but not detected means no ACK. return(0); // pending set off but not detected means no ACK.
} }
#pragma GCC push_options
#pragma GCC optimize ("-O3")
void DCCWaveform::checkAck() { void DCCWaveform::checkAck() {
// This function operates in interrupt() time so must be fast and can't DIAG // This function operates in interrupt() time so must be fast and can't DIAG
if (sentResetsSincePacket > 6) { //ACK timeout if (sentResetsSincePacket > 6) { //ACK timeout
@ -355,3 +361,4 @@ void DCCWaveform::checkAck() {
} }
ackPulseStart=0; // We have detected a too-short or too-long pulse so ignore and wait for next leading edge ackPulseStart=0; // We have detected a too-short or too-long pulse so ignore and wait for next leading edge
} }
#pragma GCC pop_options