Firmware v1.4 - add soft reset to clear "Ready for SUF Download"

Author: PaulZC

.github/workflows/build-for-release.yml

@@ -6,7 +6,7 @@ on:
 env:
   FILENAME_PREFIX: GNSSDO_Firmware
   FIRMWARE_VERSION_MAJOR: 1
-  FIRMWARE_VERSION_MINOR: 3
+  FIRMWARE_VERSION_MINOR: 4
   CORE_VERSION: 3.0.7
 
 jobs:

Firmware/GNSSDO_Firmware/GNSS.ino

@@ -101,8 +101,25 @@ void beginGNSS()
 
     if (retries == 0)
     {
-        systemPrintln("GNSS FAIL (SBFOnce)");
-        return;
+        systemPrintln("GNSS FAIL (SBFOnce). Attempting soft reset...");
+
+        // Module could be stuck in "Ready for SUF Download ...". Send a soft reset to unstick it
+        sendWithResponse("erst,soft,none\n\r", "ResetReceiver");
+
+        retries = 20;
+
+        while (!sendWithResponse("esoc, COM1, IPStatus\n\r", "SBFOnce") && (retries > 0))
+        {
+            systemPrintln("No response from mosaic. Retrying - with escape sequence...");
+            sendWithResponse("SSSSSSSSSSSSSSSSSSSS\n\r", "COM4>"); // Send escape sequence
+            retries--;
+        }
+
+        if (retries == 0)
+        {
+            systemPrintln("GNSS FAIL (SBFOnce)");
+            return;
+        }
     }
 
     if (!inMainMenu)