DigitalInfinity/ESP32-PaxCounter
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send timediff with ms after time sync

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This commit is contained in:
Marius Gripp 2019-05-07 18:20:59 +02:00
parent 26c1cb0aaa
commit fdc971be04
3 changed files with 49 additions and 6 deletions
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1
include/payload.h
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@ -55,6 +55,7 @@ public:
void addButton(uint8_t value);
void addSensor(uint8_t[]);
void addTime(time_t value);
void addTimeDiff(int32_t value);
#if (PAYLOAD_ENCODER == 1) // format plain

9
src/payload.cpp
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@ -16,7 +16,14 @@ uint8_t *PayloadConvert::getBuffer(void) { return buffer; }
/* ---------------- plain format without special encoding ---------- */
#if (PAYLOAD_ENCODER == 1)
void PayloadConvert::addTimeDiff(int32_t value) {
buffer[cursor++] = (byte)((value & 0xFF000000) >> 24);
buffer[cursor++] = (byte)((value & 0x00FF0000) >> 16);
buffer[cursor++] = (byte)((value & 0x0000FF00) >> 8);
buffer[cursor++] = (byte)((value & 0x000000FF));
}
#if PAYLOAD_ENCODER == 1
void PayloadConvert::addByte(uint8_t value) { buffer[cursor++] = (value); }

37
src/timesync.cpp
View File

@ -240,7 +240,42 @@ void IRAM_ATTR setMyTime(uint32_t t_sec, uint16_t t_msec,
CLOCKIRQ(); // fire clock pps, this advances time 1 sec
#endif
setTime(time_to_set); // set the time on top of second
struct timeval tv;
struct timezone tz;
if(gettimeofday(&tv, &tz) != 0) {
ESP_LOGI(TAG, "ERROR gettimeofday");
}
struct timeval before = tv;
struct timeval now;
now.tv_sec = t_sec;
now.tv_usec = t_msec;
if(settimeofday(&tv, &tz) != 0) {
ESP_LOGE(TAG, "ERROR settimeofday");
}
struct timeval diff;
diff.tv_sec = now.tv_sec-before.tv_sec;
diff.tv_usec = now.tv_usec-before.tv_usec;
// sum up diff_s and diff_ms to one ms value
int32_t diff_s = diff.tv_sec;
int32_t diff_ms = diff.tv_usec/1000;
int32_t diff_ms_remain = diff_ms / 1000;
diff_s += diff_ms_remain;
diff_ms += -1000*diff_ms_remain;
if(diff_ms < 0) {
diff_s --;
diff_ms += 1000;
}
// cap diff at 24h (= 86,400s)
diff_s = diff_s % 86400;
int32_t timediff_ms = diff_s * 1000 + diff_ms;
// send diffTime
payload.reset();
payload.addTimeDiff(timediff_ms);
SendPayload(TIMEDIFFPORT, prio_high);
timeSource = mytimesource; // set global variable
timesyncer.attach(TIME_SYNC_INTERVAL * 60, timeSync);