Adding an option to use autoPVT when logging GNSS data

Author: PaulZC

Firmware/OpenLog_Artemis/OpenLog_Artemis.ino

@@ -73,6 +73,7 @@
   (done) Add IMU accelerometer and gyro full scale and digital low pass filter settings to menuIMU
   (done) Add a fix to make sure the MS8607 is detected correctly: https://github.com/sparkfun/OpenLog_Artemis/issues/54
   (done) Add logMicroseconds: https://github.com/sparkfun/OpenLog_Artemis/issues/49
+  (done) Add an option to use autoPVT when logging GNSS data: https://github.com/sparkfun/OpenLog_Artemis/issues/50
 */
 
 const int FIRMWARE_VERSION_MAJOR = 1;

Firmware/OpenLog_Artemis/autoDetect.ino

@@ -576,8 +576,8 @@ void configureDevice(node * temp)
 
         sensor->saveConfigSelective(VAL_CFG_SUBSEC_IOPORT); //Save (only) the current ioPortsettings to flash and BBR
 
-        //sensor->setAutoPVT(true); //Tell the GPS to "send" each solution
-        sensor->setAutoPVT(false); //We will poll the device for PVT solutions
+        sensor->setAutoPVT(nodeSetting->useAutoPVT); // Use autoPVT as required
+        
         if (1000000ULL / settings.usBetweenReadings <= 1) //If we are slower than 1Hz logging rate
           // setNavigationFrequency expects a uint8_t to define the number of updates per second
           // So the slowest rate we can set with setNavigationFrequency is 1Hz

Firmware/OpenLog_Artemis/menuAttachedDevices.ino

@@ -907,13 +907,17 @@ void menuConfigure_uBlox(void *configPtr)
       if (sensorSetting->logpDOP == true) Serial.println(F("Enabled"));
       else Serial.println(F("Disabled"));
 
-      Serial.flush();
-
       Serial.print(F("13) Log Interval Time Of Week (iTOW): "));
       if (sensorSetting->logiTOW == true) Serial.println(F("Enabled"));
       else Serial.println(F("Disabled"));
 
       Serial.printf("14) Set I2C Interface Speed (u-blox modules have pullups built in. Remove *all* I2C pullups to achieve 400kHz): %d\r\n", sensorSetting->i2cSpeed);
+
+      Serial.print(F("15) Use autoPVT: "));
+      if (sensorSetting->useAutoPVT == true) Serial.println(F("Yes"));
+      else Serial.println(F("No"));
+
+      Serial.flush();
     }
     Serial.println(F("x) Exit"));
 
@@ -956,6 +960,8 @@ void menuConfigure_uBlox(void *configPtr)
         else
           sensorSetting->i2cSpeed = 100000;
       }
+      else if (incoming == 15)
+        sensorSetting->useAutoPVT ^= 1;
       else if (incoming == STATUS_PRESSED_X)
         break;
       else if (incoming == STATUS_GETNUMBER_TIMEOUT)

Firmware/OpenLog_Artemis/nvm.ino

@@ -474,6 +474,7 @@ void recordDeviceSettingsToFile()
             settingsFile.println((String)base + "logpDOP=" + nodeSetting->logpDOP);
             settingsFile.println((String)base + "logiTOW=" + nodeSetting->logiTOW);
             settingsFile.println((String)base + "i2cSpeed=" + nodeSetting->i2cSpeed);
+            settingsFile.println((String)base + "useAutoPVT=" + nodeSetting->useAutoPVT);
           }
           break;
         case DEVICE_PROXIMITY_VCNL4040:
@@ -869,6 +870,8 @@ bool parseDeviceLine(char* str) {
             nodeSetting->logiTOW = d;
           else if (strcmp(deviceSettingName, "i2cSpeed") == 0)
             nodeSetting->i2cSpeed = d;
+          else if (strcmp(deviceSettingName, "useAutoPVT") == 0)
+            nodeSetting->useAutoPVT = d;
           else
             Serial.printf("Unknown device setting: %s\r\n", deviceSettingName);
         }

Firmware/OpenLog_Artemis/settings.h

@@ -128,6 +128,7 @@ struct struct_uBlox {
   bool logiTOW = false;
   uint32_t i2cSpeed = 100000; //Default to 100kHz for least number of CRC issues
   unsigned long powerOnDelayMillis = 1000; // Wait for at least this many millis before communicating with this device
+  bool useAutoPVT = false; // Use autoPVT - to allow data collection at rates faster than GPS
 };
 
 #define VL53L1X_DISTANCE_MODE_SHORT 0