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This commit is contained in:
rusEfi 2014-10-02 23:02:57 -05:00
parent 9d856fd770
commit 1bd2cd8867
5 changed files with 19 additions and 7 deletions
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3
firmware/controllers/math/efitime.h
View File

@ -39,6 +39,9 @@ extern "C"
*
* By using 64 bit, we can achieve a very precise timestamp which does not overflow.
* The primary implementation counts the number of CPU cycles from MCU reset.
*
* WARNING: you should use getTimeNowNt where possible for performance reasons.
* The heaviest part is '__aeabi_ildivmod' - non-native 64 bit division
*/
uint64_t getTimeNowUs(void);

1
firmware/controllers/trigger/main_trigger_callback.cpp
View File

@ -225,6 +225,7 @@ void showMainHistogram(void) {
#endif
}
// todo: eliminate this 'extern'
extern Engine engine;
/**

4
firmware/controllers/trigger/rpm_calculator.cpp
View File

@ -102,17 +102,17 @@ bool isCranking(void) {
* This callback is invoked on interrupt thread.
*/
void rpmShaftPositionCallback(trigger_event_e ckpSignalType, uint32_t index, RpmCalculator *rpmState) {
uint64_t nowUs = getTimeNowUs();
if (index != 0) {
#if EFI_ANALOG_CHART || defined(__DOXYGEN__)
if (engineConfiguration->analogChartMode == AC_TRIGGER)
acAddData(getCrankshaftAngle(getTimeNowUs()), 1000 * ckpSignalType + index);
acAddData(getCrankshaftAngle(nowUs), 1000 * ckpSignalType + index);
#endif
return;
}
rpmState->revolutionCounter++;
uint64_t nowUs = getTimeNowUs();
bool hadRpmRecently = rpmState->isRunning();

10
firmware/hw_layer/microsecond_timer.c
View File

@ -22,7 +22,7 @@
#define GPTDEVICE GPTD5
static volatile uint64_t lastSetTimerTime;
static volatile uint64_t lastSetTimerTimeNt;
static int lastSetTimerValue;
static volatile bool isTimerPending = FALSE;
@ -45,7 +45,7 @@ void setHardwareUsTimer(int32_t timeUs) {
gptStopTimerI(&GPTDEVICE);
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTime = getTimeNowUs();
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
@ -85,7 +85,7 @@ static msg_t mwThread(int param) {
while (TRUE) {
chThdSleepMilliseconds(1000); // once a second is enough
if (getTimeNowUs() >= lastSetTimerTime + 2 * US_PER_SECOND) {
if (getTimeNowNt() >= lastSetTimerTimeNt + 2 * CORE_CLOCK) {
strcpy(buff, "no_event");
itoa10(&buff[8], lastSetTimerValue);
firmwareError(buff);
@ -94,7 +94,7 @@ static msg_t mwThread(int param) {
msg = isTimerPending ? "No_cb too long" : "Timer not awhile";
// 2 seconds of inactivity would not look right
efiAssert(getTimeNowUs() < lastSetTimerTime + 2 * US_PER_SECOND, msg, -1);
efiAssert(getTimeNowNt() < lastSetTimerTimeNt + 2 * CORE_CLOCK, msg, -1);
}
#if defined __GNUC__
return -1;
@ -111,7 +111,7 @@ void initMicrosecondTimer(void) {
gptStart(&GPTDEVICE, &gpt5cfg);
lastSetTimerTime = getTimeNowUs();
lastSetTimerTimeNt = getTimeNowNt();
#if EFI_EMULATE_POSITION_SENSORS
chThdCreateStatic(mwThreadStack, sizeof(mwThreadStack), NORMALPRIO, (tfunc_t) mwThread, NULL);
#endif /* EFI_ENGINE_EMULATOR */

8
unit_tests/test_trigger_decoder.cpp
View File

@ -339,11 +339,16 @@ void testGY6_139QMB(void) {
extern EventQueue schedulingQueue;
// this is a very dirty and sad hack. todo: eliminate
extern Engine engine;
static void testRpmCalculator(void) {
printf("*************************************************** testRpmCalculator\r\n");
EngineTestHelper eth(FORD_INLINE_6_1995);
efiAssertVoid(eth.engine.engineConfiguration!=NULL, "null config in engine");
initThermistors(&eth.engine);
engine_configuration_s *ec = &eth.persistentConfig.engineConfiguration;
@ -354,6 +359,9 @@ static void testRpmCalculator(void) {
ec->globalFuelCorrection = 3;
eth.initTriggerShapeAndRpmCalculator();
// this is a very dirty and sad hack. todo: eliminate
engine.engineConfiguration = eth.engine.engineConfiguration;
configuration_s configuration = { ec, ec2 };
timeNow = 0;
assertEquals(0, eth.rpmState.rpm());