Disable NMEA sentences on I2C, UART, and SPI port. Add more checks for SD presence before checking semaphore.

NMEA is already turned off on I2C port in general, but turn off specific sentences to try to reduce ZED-F9x module processing.

Author: nseidle

Firmware/RTK_Surveyor/Form.ino

@@ -142,6 +142,12 @@ void startConfigAP()
 #ifdef COMPILE_WIFI
 static void handleFirmwareFileUpload(AsyncWebServerRequest *request, String fileName, size_t index, uint8_t *data, size_t len, bool final)
 {
+  if(online.microSD == false)
+  {
+    Serial.println(F("No SD card available"));
+    return;
+  }
+  
   //Attempt to write to file system. This avoids collisions with file writing in F9PSerialReadTask()
   if (xSemaphoreTake(xFATSemaphore, fatSemaphore_longWait_ms) != pdPASS) {
     Serial.println(F("Failed to get file system lock on firmware file"));

Firmware/RTK_Surveyor/System.ino

@@ -211,13 +211,15 @@ bool configureUbloxModule()
 
   response &= configureGNSSMessageRates(COM_PORT_UART1, settings.ubxMessages); //Make sure the appropriate messages are enabled
 
+  response &= disableNMEASentences(COM_PORT_I2C); //Disable NMEA messages on all but UART1
+  response &= disableNMEASentences(COM_PORT_UART2);
+  response &= disableNMEASentences(COM_PORT_SPI);
+
   response &= i2cGNSS.setAutoPVT(true, false); //Tell the GPS to "send" each solution, but do not update stale data when accessed
   response &= i2cGNSS.setAutoHPPOSLLH(true, false); //Tell the GPS to "send" each high res solution, but do not update stale data when accessed
 
   if (zedModuleType == PLATFORM_F9R)
-  {
     response &= i2cGNSS.setAutoESFSTATUS(true, false); //Tell the GPS to "send" each ESF Status, but do not update stale data when accessed
-  }
 
   if (getSerialRate(COM_PORT_UART1) != settings.dataPortBaud)
   {
@@ -248,8 +250,6 @@ bool configureUbloxModule()
   return (response);
 }
 
-
-
 //Disable all the NMEA sentences on a given com port
 bool disableNMEASentences(uint8_t portType)
 {
@@ -597,6 +597,12 @@ bool createTestFile()
   SdFile testFile;
   char testFileName[40] = "testfile.txt";
 
+  if(online.microSD == false)
+  {
+    Serial.println(F("SD card offline"));
+    return(false);
+  }
+
   //Attempt to write to file system. This avoids collisions with file writing from other functions like recordSystemSettingsToFile() and F9PSerialReadTask()
   if (xSemaphoreTake(xFATSemaphore, fatSemaphore_shortWait_ms) == pdPASS)
   {

Firmware/RTK_Surveyor/menuMain.ino

@@ -107,17 +107,20 @@ void factoryReset()
   eepromErase();
 
   //Assemble settings file name
-  char settingsFileName[40]; //SFE_Surveyor_Settings.txt
+  char settingsFileName[40]; //SFE_Express_Plus_Settings.txt
   strcpy(settingsFileName, platformFilePrefix);
   strcat(settingsFileName, "_Settings.txt");
 
   //Attempt to write to file system. This avoids collisions with file writing from other functions like recordSystemSettingsToFile() and F9PSerialReadTask()
-  if (xSemaphoreTake(xFATSemaphore, fatSemaphore_longWait_ms) == pdPASS)
+  if (settings.enableSD && online.microSD)
   {
-    if (sd.exists(settingsFileName))
-      sd.remove(settingsFileName);
-    xSemaphoreGive(xFATSemaphore);
-  } //End xFATSemaphore
+    if (xSemaphoreTake(xFATSemaphore, fatSemaphore_longWait_ms) == pdPASS)
+    {
+      if (sd.exists(settingsFileName))
+        sd.remove(settingsFileName);
+      xSemaphoreGive(xFATSemaphore);
+    } //End xFATSemaphore
+  }
 
   i2cGNSS.factoryReset(); //Reset everything: baud rate, I2C address, update rate, everything.