DigitalInfinity/ESP32-PaxCounter
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Verkehrsrot 2019-03-24 16:28:14 +01:00
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README.md
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@ -162,11 +162,11 @@ Output of sensor and peripheral data is internally switched by a bitmask registe
# Time sync # Time sync
Paxcounter can keep it's time-of-day synced with an external time source. Set *#define TIME_SYNC_INTERVAL* in paxcounter.conf to enable time sync. Supported external time sources are GPS, LORAWAN network time and LORAWAN application timeserver time. An on board DS3231 RTC is kept sycned as fallback time source. Precision of time-of-day depends on local time base which generates the pulse per second. Supported are GPS PPS, SQW output of RTC, and internal ESP32 hardware timer. Time base is selected by #defines in the board's hal file, see example in [**generic.h**](src/hal/generic.h). If your LORAWAN network does not support network time, you can run a timeserver application with Node-Red using the [**Timeserver code**](/src/TTN/Nodered-Timeserver.json) in TTN subdirectory. Connect the MQTT nodes in Node-Red to the same LORAWAN application as the paxocunter device. Paxcounter can keep it's time-of-day synced with an external time source. Set *#define TIME_SYNC_INTERVAL* in paxcounter.conf to enable time sync. Supported external time sources are GPS, LORAWAN network time and LORAWAN application timeserver time. An on board DS3231 RTC is kept sycned as fallback time source. Time accuracy depends on board's time base which generates the pulse per second. Supported are GPS PPS, SQW output of RTC, and internal ESP32 hardware timer. Time base is selected by #defines in the board's hal file, see example in [**generic.h**](src/hal/generic.h). If your LORAWAN network does not support network time, you can run a Node-Red timeserver application using the [**Timeserver code**](/src/TTN/Nodered-Timeserver.json) in TTN subdirectory. Configure MQTT nodes in Node-Red to the same LORAWAN application as paxocunter device is using.
# Wall clock controller # Wall clock controller
Paxcounter can be used to sync a wall clock which has a DCF77 or IF482 time telegram input. Set *#define HAS_IF482* or *#define HAS_DCF77* in board's hal file to setup clock controller. Use case of this function is to integrate paxcounter and clock, to use it for both counting of pax and controlling the clock. Precision of the synthetic DCF77 signal depends on precision of on board available time base (seetTime sync). Paxcounter can be used to sync a wall clock which has a DCF77 or IF482 time telegram input. Set *#define HAS_IF482* or *#define HAS_DCF77* in board's hal file to setup clock controller. Use case of this function is to integrate paxcounter and clock. Accurary of the synthetic DCF77 signal depends on accuracy of on board's time base, see above.
# Payload format # Payload format