DigitalInfinity/ESP32-PaxCounter
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fix for RTC syncing (experimental)

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This commit is contained in:
cyberman54 2022-03-05 18:49:50 +01:00
parent 01989320e0
commit f74f103e80
3 changed files with 22 additions and 10 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);

14
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 +62,12 @@ 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++;
*msec = lastRTCpulse % 1000;
#endif
*/
return t;
} // get_rtctime()

13
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();