Add getProfileCount()

Author: nseidle

Firmware/RTK_Everywhere/NVM.ino

@@ -1424,6 +1424,20 @@ int8_t getProfileNumberFromUnit(uint8_t profileUnit)
     return (-1);
 }
 
+// Returns the number of available profiles
+// https://stackoverflow.com/questions/8871204/count-number-of-1s-in-binary-representation
+uint8_t getProfileCount()
+{
+    int count = 0;
+    uint8_t n = activeProfiles;
+    while (n != 0)
+    {
+        n = n & (n - 1);
+        count++;
+    }
+    return (count);
+}
+
 // Record large character blob to file
 void recordFile(const char *fileID, char *fileContents, uint32_t fileSize)
 {

Firmware/RTK_Everywhere/States.ino

@@ -1230,9 +1230,9 @@ void constructSetupDisplay(std::vector<setupButton> *buttons)
     }
     addSetupButton(buttons, "E-Pair", STATE_ESPNOW_PAIRING_NOT_STARTED);
     // If only one active profile do not show any profiles
-    if (getProfileNumberFromUnit(1) >= 0)
+    if (getProfileCount() > 1)
     {
-        for (int x = 0; x < MAX_PROFILE_COUNT; x++)
+        for (int x = 0; x < getProfileCount(); x++)
         {
             int profile = getProfileNumberFromUnit(x);
             if (profile >= 0)