DigitalInfinity/ESP32-PaxCounter
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IF482 bugfix (i2c lock during rtc setup)

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This commit is contained in:
Klaus K Wilting 2019-02-10 16:43:24 +01:00
parent 9177d5c062
commit 87378738d2
5 changed files with 20 additions and 8 deletions
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2
include/if482.h
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@ -6,5 +6,7 @@
int if482_init(void);
void if482_loop(void *pvParameters);
TickType_t tx_time(unsigned long baud, uint32_t config, int8_t rxPin,
int8_t txPins);
#endif

3
src/dcf77.cpp
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@ -39,6 +39,7 @@ int dcf77_init(void) {
pinMode(HAS_DCF77, OUTPUT);
set_DCF77_pin(dcf_low);
timepulse_init(PPS); // setup timepulse
xTaskCreatePinnedToCore(dcf77_loop, // task function
"dcf77loop", // name of task
@ -49,8 +50,6 @@ int dcf77_init(void) {
0); // CPU core
assert(ClockTask); // has clock task started?
timepulse_init(PPS); // setup pulse
DCF_Out(sync_clock(now())); // sync DCF time on next second
timepulse_start(); // start pulse

17
src/if482.cpp
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@ -107,6 +107,8 @@ int if482_init(void) {
// open serial interface
IF482.begin(HAS_IF482);
// setup timepulse
timepulse_init(PPS);
// start if482 serial output feed task
xTaskCreatePinnedToCore(if482_loop, // task function
@ -118,8 +120,6 @@ int if482_init(void) {
0); // CPU core
assert(ClockTask); // has clock task started?
timepulse_init(PPS); // setup pulse
timepulse_start(); // start pulse
return 1; // success
@ -161,7 +161,7 @@ void if482_loop(void *pvParameters) {
TickType_t wakeTime;
const TickType_t timeOffset =
pdMS_TO_TICKS(IF482_OFFSET); // duration of telegram transmit
tx_time(HAS_IF482); // duration of telegram transmit
const TickType_t startTime = xTaskGetTickCount(); // now
sync_clock(now()); // wait until begin of a new second
@ -196,4 +196,15 @@ void if482_loop(void *pvParameters) {
}
} // if482_loop()
// helper function to calculate IF482 telegram serial tx time from serial
// settings
TickType_t tx_time(unsigned long baud, uint32_t config, int8_t rxPin,
int8_t txPins) {
uint32_t datenbits = ((config & 0x0c) >> 2) + 5;
uint32_t startbits = ((config & 0x20) >> 5) + 1;
return pdMS_TO_TICKS(
round(((datenbits + startbits + 1) * IF482_FRAME_SIZE * 1000.0 / baud)));
}
#endif // HAS_IF482

3
src/paxcounter.conf
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@ -82,12 +82,11 @@
#define RESPONSE_TIMEOUT_MS 60000 // firmware binary server connection timeout [milliseconds]
// settings for syncing time of node and external time sources
#define TIME_SYNC_INTERVAL_GPS 60 // sync time each .. minutes from source GPS [default = 60], comment out means off
#define TIME_SYNC_INTERVAL_GPS 5 // sync time each .. minutes from source GPS [default = 5], comment out means off
#define TIME_SYNC_INTERVAL_RTC 60 // sync time each .. minutes from RTC [default = 60], comment out means off
#define TIME_WRITE_INTERVAL_RTC 60 // write time each .. minutes from GPS/LORA to RTC [default = 60], comment out means off
//#define TIME_SYNC_INTERVAL_LORA 60 // sync time each .. minutes from LORA network [default = 60], comment out means off
#define TIME_SYNC_INTERVAL_DCF 60 // sync DCF signal time each .. minutes from internal time [default = 60], comment out means off
#define IF482_OFFSET 16 // IF482 serial transmit time [ms]: e.g. 9 bits * 17 bytes * 1/9600 bps = 16ms
// time zone, see https://github.com/JChristensen/Timezone/blob/master/examples/WorldClock/WorldClock.ino
#define DAYLIGHT_TIME {"CEST", Last, Sun, Mar, 2, 120} // Central European Summer Time

1
src/rtctime.cpp
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@ -136,6 +136,7 @@ int timepulse_init(uint32_t pulse_period_ms) {
Rtc.SetSquareWavePinClockFrequency(DS3231SquareWaveClock_1kHz);
break;
default:
I2C_MUTEX_UNLOCK();
goto pulse_period_error;
}
Rtc.SetSquareWavePin(DS3231SquareWavePin_ModeClock);