/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_42, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "not positive timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
efiAssertVoid(GPTDEVICE.state == GPT_READY, "hw timer");
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
setHwTimerCounter++;
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_LOCAL_FREEZE, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(CUSTOM_ERR_6681, timeUs > 0, "not positive timeUs");
if (timeUs >= 10 * US_PER_SECOND) {
firmwareError(CUSTOM_ERR_TIMER_OVERFLOW, "setHardwareUsTimer() too long: %d", timeUs);
return;
}
if (GPTDEVICE.state == GPT_ONESHOT) {
gptStopTimerI(&GPTDEVICE);
}
if (GPTDEVICE.state != GPT_READY) {
firmwareError(CUSTOM_HW_TIMER, "HW timer state %d/%d", GPTDEVICE.state, setHwTimerCounter);
return;
}
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void
vMBPortTimersDisable( )
{
if (bMBPortIsWithinException() == TRUE)
gptStopTimerI (&GPTDRIVER);
else
gptStopTimer (&GPTDRIVER);
}
/*
* EXTI callback.
* Triggered when echo signal is received.
*/
static void ext6cb(EXTDriver *extp, expchannel_t channel) {
uint32_t tmp;
(void)extp;
(void)channel;
chSysLockFromIsr();
tmp = (&GPT_DRIVER)->tim->CNT;
if (tmp > 1500) {
measure = tmp;
gptStopTimerI(&GPT_DRIVER);
}
chSysUnlockFromIsr();
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
if (timeUs == 1)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "neg timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTime = getTimeNowUs();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void
vMBPortTimersEnable( )
{
#ifdef DEBUG_MB
palClearPad (BOARD_LED2_P, BOARD_LED2);
tmStartMeasurement (&tm);
#endif
if (bMBPortIsWithinException() == TRUE) {
gptStopTimerI (&GPTDRIVER);
gptStartOneShotI(&GPTDRIVER, timerout);
} else {
gptStopTimer (&GPTDRIVER);
gptStartOneShot(&GPTDRIVER, timerout);
}
}
/**
* @brief Stops the timer.
*
* @param[in] gptp pointer to the @p GPTDriver object
*
* @api
*/
void gptStopTimer(GPTDriver *gptp) {
osalSysLock();
gptStopTimerI(gptp);
osalSysUnlock();
}
/**
* @brief Stops the timer.
*
* @param[in] gptp pointer to the @p GPTDriver object
*
* @api
*/
void gptStopTimer(GPTDriver *gptp) {
chSysLock();
gptStopTimerI(gptp);
chSysUnlock();
}
