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better variable name & docs

This commit is contained in:
rusefi 2020-01-19 00:16:19 -05:00
parent 94e30b0b38
commit 7927f7c035
2 changed files with 13 additions and 14 deletions
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21
firmware/hw_layer/microsecond_timer.cpp
View File

@ -67,23 +67,24 @@ extern bool hasFirmwareErrorFlag;
* sets the alarm to the specified number of microseconds from now. * sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts. * This function should be invoked under kernel lock which would disable interrupts.
*/ */
void setHardwareUsTimer(int32_t timeUs) { void setHardwareUsTimer(int32_t deltaTimeUs) {
enginePins.debugSetTimer.setValue(1); enginePins.debugSetTimer.setValue(1);
efiAssertVoid(OBD_PCM_Processor_Fault, hwStarted, "HW.started"); efiAssertVoid(OBD_PCM_Processor_Fault, hwStarted, "HW.started");
setHwTimerCounter++; setHwTimerCounter++;
/** /**
* #259 BUG error: not positive timeUs * #259 BUG error: not positive deltaTimeUs
* Once in a while we night get an interrupt where we do not expect it * Once in a while we night get an interrupt where we do not expect it
*/ */
if (timeUs <= 0) { if (deltaTimeUs <= 0) {
timerFreezeCounter++; timerFreezeCounter++;
warning(CUSTOM_OBD_LOCAL_FREEZE, "local freeze cnt=%d", timerFreezeCounter); warning(CUSTOM_OBD_LOCAL_FREEZE, "local freeze cnt=%d", timerFreezeCounter);
} }
if (timeUs < 2) if (deltaTimeUs < 2)
timeUs = 2; // for some reason '1' does not really work deltaTimeUs = 2; // for some reason '1' does not really work
efiAssertVoid(CUSTOM_ERR_6681, timeUs > 0, "not positive timeUs"); efiAssertVoid(CUSTOM_ERR_6681, deltaTimeUs > 0, "not positive deltaTimeUs");
if (timeUs >= 10 * US_PER_SECOND) { if (deltaTimeUs >= 10 * US_PER_SECOND) {
firmwareError(CUSTOM_ERR_TIMER_OVERFLOW, "setHardwareUsTimer() too long: %d", timeUs); // we are trying to set callback for too far into the future. This does not look right at all
firmwareError(CUSTOM_ERR_TIMER_OVERFLOW, "setHardwareUsTimer() too long: %d", deltaTimeUs);
// let's make this look special and NOT toggle enginePins.debugSetTimer // let's make this look special and NOT toggle enginePins.debugSetTimer
return; return;
} }
@ -100,10 +101,10 @@ void setHardwareUsTimer(int32_t timeUs) {
// let's make this look special and NOT toggle enginePins.debugSetTimer // let's make this look special and NOT toggle enginePins.debugSetTimer
return; return;
} }
gptStartOneShotI(&GPTDEVICE, timeUs); gptStartOneShotI(&GPTDEVICE, deltaTimeUs);
lastSetTimerTimeNt = getTimeNowNt(); lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs; lastSetTimerValue = deltaTimeUs;
isTimerPending = TRUE; isTimerPending = TRUE;
timerRestartCounter++; timerRestartCounter++;
enginePins.debugSetTimer.setValue(0); enginePins.debugSetTimer.setValue(0);

6
firmware/hw_layer/microsecond_timer.h
View File

@ -5,8 +5,7 @@
* @author Andrey Belomutskiy, (c) 2012-2020 * @author Andrey Belomutskiy, (c) 2012-2020
*/ */
#ifndef SIGNAL_TEMP_H_ #pragma once
#define SIGNAL_TEMP_H_
#ifdef __cplusplus #ifdef __cplusplus
extern "C" extern "C"
@ -14,10 +13,9 @@ extern "C"
#endif /* __cplusplus */ #endif /* __cplusplus */
void initMicrosecondTimer(void); void initMicrosecondTimer(void);
void setHardwareUsTimer(int32_t timeUs); void setHardwareUsTimer(int32_t deltaTimeUs);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif /* __cplusplus */ #endif /* __cplusplus */
#endif /* SIGNAL_TEMP_H_ */