Merge 0713a08686 into ca79760372

The new code does the same thing, for all devices.

src/gps/GPS.cpp

@@ -843,9 +843,6 @@ void GPS::setPowerState(GPSPowerState newState, uint32_t sleepTime)
         setPowerPMU(true);                                        // Power (PMU): on
         writePinStandby(false);                                   // Standby (pin): awake (not standby)
         setPowerUBLOX(true);                                      // Standby (UBLOX): awake
-#ifdef GNSS_AIROHA
-        lastFixStartMsec = 0;
-#endif
         break;
 
     case GPS_SOFTSLEEP:
@@ -863,9 +860,7 @@ void GPS::setPowerState(GPSPowerState newState, uint32_t sleepTime)
         writePinStandby(true);                                      // Standby (pin): asleep (not awake)
         setPowerUBLOX(false, sleepTime);                            // Standby (UBLOX): asleep, timed
 #ifdef GNSS_AIROHA
-        if (config.position.gps_update_interval * 1000 >= GPS_FIX_HOLD_TIME * 2) {
-            digitalWrite(PIN_GPS_EN, LOW);
-        }
+        digitalWrite(PIN_GPS_EN, LOW);
 #endif
         break;
 
@@ -877,9 +872,7 @@ void GPS::setPowerState(GPSPowerState newState, uint32_t sleepTime)
         writePinStandby(true);                                      // Standby (pin): asleep
         setPowerUBLOX(false, 0);                                    // Standby (UBLOX): asleep, indefinitely
 #ifdef GNSS_AIROHA
-        if (config.position.gps_update_interval * 1000 >= GPS_FIX_HOLD_TIME * 2) {
-            digitalWrite(PIN_GPS_EN, LOW);
-        }
+        digitalWrite(PIN_GPS_EN, LOW);
 #endif
         break;
     }
@@ -1062,6 +1055,8 @@ void GPS::down()
         }
         // If update interval long enough (or softsleep unsupported): hardsleep instead
         setPowerState(GPS_HARDSLEEP, sleepTime);
+        // Reset the fix quality to 0, since we're off.
+        fixQual = 0;
     }
 }
 
@@ -1121,11 +1116,19 @@ int32_t GPS::runOnce()
         shouldPublish = true;
     }
 
+    bool prev_fixQual = fixQual;
     bool gotLoc = lookForLocation();
     if (gotLoc && !hasValidLocation) { // declare that we have location ASAP
         LOG_DEBUG("hasValidLocation RISING EDGE");
         hasValidLocation = true;
         shouldPublish = true;
+        // Hold for 20secs after getting a lock to download ephemeris etc
+        fixHoldEnds = millis() + 20000;
+    }
+
+    if (gotLoc && prev_fixQual == 0) { // just got a lock after turning back on.
+        fixHoldEnds = millis() + 20000;
+        shouldPublish = true; // Publish immediately, since next publish is at end of hold
     }
 
     bool tooLong = scheduling.searchedTooLong();
@@ -1135,7 +1138,7 @@ int32_t GPS::runOnce()
     // Once we get a location we no longer desperately want an update
     if ((gotLoc && gotTime) || tooLong) {
 
-        if (tooLong) {
+        if (tooLong && !gotLoc) {
             // we didn't get a location during this ack window, therefore declare loss of lock
             if (hasValidLocation) {
                 LOG_DEBUG("hasValidLocation FALLING EDGE");
@@ -1143,9 +1146,13 @@ int32_t GPS::runOnce()
             p = meshtastic_Position_init_default;
             hasValidLocation = false;
         }
-
-        down();
-        shouldPublish = true; // publish our update for this just finished acquisition window
+        if (millis() > fixHoldEnds) {
+            shouldPublish = true; // publish our update at the end of the lock hold
+            publishUpdate();
+            down();
+        } else {
+            LOG_DEBUG("Holding for GPS data download: %d ms (numSats=%d)", fixHoldEnds - millis(), p.sats_in_view);
+        }
     }
 
     // If state has changed do a publish
@@ -1508,24 +1515,6 @@ static int32_t toDegInt(RawDegrees d)
  */
 bool GPS::lookForTime()
 {
-
-#ifdef GNSS_AIROHA
-    uint8_t fix = reader.fixQuality();
-    if (fix >= 1 && fix <= 5) {
-        if (lastFixStartMsec > 0) {
-            if (Throttle::isWithinTimespanMs(lastFixStartMsec, GPS_FIX_HOLD_TIME)) {
-                return false;
-            } else {
-                clearBuffer();
-            }
-        } else {
-            lastFixStartMsec = millis();
-            return false;
-        }
-    } else {
-        return false;
-    }
-#endif
     auto ti = reader.time;
     auto d = reader.date;
     if (ti.isValid() && d.isValid()) { // Note: we don't check for updated, because we'll only be called if needed
@@ -1564,25 +1553,6 @@ The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of s
  */
 bool GPS::lookForLocation()
 {
-#ifdef GNSS_AIROHA
-    if ((config.position.gps_update_interval * 1000) >= (GPS_FIX_HOLD_TIME * 2)) {
-        uint8_t fix = reader.fixQuality();
-        if (fix >= 1 && fix <= 5) {
-            if (lastFixStartMsec > 0) {
-                if (Throttle::isWithinTimespanMs(lastFixStartMsec, GPS_FIX_HOLD_TIME)) {
-                    return false;
-                } else {
-                    clearBuffer();
-                }
-            } else {
-                lastFixStartMsec = millis();
-                return false;
-            }
-        } else {
-            return false;
-        }
-    }
-#endif
     // By default, TinyGPS++ does not parse GPGSA lines, which give us
     //   the 2D/3D fixType (see NMEAGPS.h)
     // At a minimum, use the fixQuality indicator in GPGGA (FIXME?)

src/gps/GPS.h

@@ -159,7 +159,7 @@ class GPS : private concurrency::OSThread
     uint8_t fixType = 0;      // fix type from GPGSA
 #endif
 
-    uint32_t lastWakeStartMsec = 0, lastSleepStartMsec = 0, lastFixStartMsec = 0;
+    uint32_t fixHoldEnds = 0;
     uint32_t rx_gpio = 0;
     uint32_t tx_gpio = 0;
 

variants/nrf52840/tracker-t1000-e/variant.h

@@ -124,8 +124,7 @@ extern "C" {
 #define GPS_RTC_INT (0 + 15)     // P0.15, normal is LOW, wake by HIGH
 #define GPS_RESETB_OUT (32 + 14) // P1.14, always input pull_up
 
-#define GPS_FIX_HOLD_TIME 15000 // ms
-#define BATTERY_PIN 2           // P0.02/AIN0, BAT_ADC
+#define BATTERY_PIN 2 // P0.02/AIN0, BAT_ADC
 #define BATTERY_IMMUTABLE
 #define ADC_MULTIPLIER (2.0F)
 // P0.04/AIN2 is VCC_ADC, P0.05/AIN3 is CHARGER_DET, P1.03 is CHARGE_STA, P1.04 is CHARGE_DONE

variants/nrf52840/wio-t1000-s/variant.h

@@ -123,7 +123,6 @@ extern "C" {
 #define GPS_RESETB_OUT (32 + 14) // P1.14, awlays input pull_up
 
 // #define GPS_THREAD_INTERVAL 50
-#define GPS_FIX_HOLD_TIME 15000 // ms
 
 #define BATTERY_PIN 2
 // #define ADC_CHANNEL ADC1_GPIO2_CHANNEL
@@ -157,4 +156,4 @@ extern "C" {
  *        Arduino objects - C++ only
  *----------------------------------------------------------------------------*/
 
-#endif // _VARIANT_WIO_SDK_WM1110_
+#endif // _VARIANT_WIO_SDK_WM1110_