DigitalInfinity/ESP32-PaxCounter
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Merge pull request #864 from cyberman54/development

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Verkehrsrot 2022-03-05 19:09:11 +01:00 committed by GitHub
commit 2dd01b6bbc
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3 changed files with 31 additions and 11 deletions
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5
include/timekeeper.h
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@ -24,7 +24,12 @@ extern Ticker timesyncer;
extern timesource_t timeSource;
extern TaskHandle_t ClockTask;
extern DRAM_ATTR bool TimePulseTick; // 1sec pps flag set by GPS or RTC
#ifdef GPS_INT
extern DRAM_ATTR unsigned long lastPPS;
#endif
#ifdef RTC_INT
extern DRAM_ATTR unsigned long lastRTCpulse;
#endif
extern hw_timer_t *ppsIRQ;
void setTimeSyncIRQ(void);

20
src/rtctime.cpp
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@ -52,9 +52,6 @@ uint8_t set_rtctime(time_t t) { // t is sec epoch time
ESP_LOGI(TAG, "RTC time synced");
return 1; // success
// failure
// return 0
} // set_rtctime()
time_t get_rtctime(uint16_t *msec) {
@ -65,15 +62,18 @@ time_t get_rtctime(uint16_t *msec) {
RtcDateTime tt = Rtc.GetDateTime();
t = tt.Epoch32Time(); // sec2000 -> epoch
}
/*
// if we have a RTC pulse, we calculate msec
#ifdef RTC_INT
// adjust time to top of next second by waiting TimePulseTick to flip
bool lastTick = TimePulseTick;
while (TimePulseTick == lastTick) {
};
t++;
uint16_t ppsDiff = millis() - lastRTCpulse;
if (ppsDiff < 1000)
*msec = ppsDiff;
else {
ESP_LOGD(TAG, "no pulse from RTC");
return 0;
}
#endif
*/
return t;
} // get_rtctime()

17
src/timekeeper.cpp
View File

@ -12,7 +12,13 @@ static const char TAG[] = __FILE__;
const char timeSetSymbols[] = {'G', 'R', 'L', '*', '?'};
DRAM_ATTR bool TimePulseTick = false;
#ifdef GPS_INT
DRAM_ATTR unsigned long lastPPS = millis();
#endif
#ifdef RTC_INT
DRAM_ATTR unsigned long lastRTCpulse = millis();
#endif
timesource_t timeSource = _unsynced;
TaskHandle_t ClockTask = NULL;
hw_timer_t *ppsIRQ = NULL;
@ -31,6 +37,7 @@ Ticker timesyncer;
void setTimeSyncIRQ() { xTaskNotify(irqHandlerTask, TIMESYNC_IRQ, eSetBits); }
#ifdef GPS_INT
// interrupt service routine triggered by GPS PPS
void IRAM_ATTR GPSIRQ(void) {
@ -43,6 +50,7 @@ void IRAM_ATTR GPSIRQ(void) {
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
}
#endif
// interrupt service routine triggered by esp32 hardware timer
void IRAM_ATTR CLOCKIRQ(void) {
@ -60,6 +68,11 @@ void IRAM_ATTR CLOCKIRQ(void) {
TimePulseTick = !TimePulseTick; // flip global variable pulse ticker
#endif
// take timestamp if we have RTC pulse
#ifdef RTC_INT
lastRTCpulse = millis(); // last time of RTC pulse
#endif
// yield only if we should
if (xHigherPriorityTaskWoken)
portYIELD_FROM_ISR();
@ -190,8 +203,10 @@ void timepulse_init(void) {
#endif
// get time if we don't have one
if (timeSource != _set)
if (timeSource != _set) {
delay(1000); // wait for first PPS time stamp to arrive
setTimeSyncIRQ(); // init systime by RTC or GPS or LORA
}
// start cyclic time sync
timesyncer.attach(TIME_SYNC_INTERVAL * 60, setTimeSyncIRQ);