Add sd card volume format to log.txt

src/BlueSCSI.cpp

@@ -678,6 +678,18 @@ void initFileLog(int success_mhz) {
   LOG_FILE.println(SDFAT_FILE_TYPE);
   LOG_FILE.print("SdFat version: ");
   LOG_FILE.println(SD_FAT_VERSION_STR);
+  LOG_FILE.print("SD Format: ");
+  switch(SD.vol()->fatType()) {
+    case FAT_TYPE_EXFAT:
+    LOG_FILE.println("exFAT");
+    break;
+    case FAT_TYPE_FAT32:
+    LOG_FILE.print("FAT32");
+    case FAT_TYPE_FAT16:
+    LOG_FILE.print("FAT16");
+    default:
+    LOG_FILE.println(" - Consider formatting the SD Card with exFAT for improved performance.");
+  }
   LOG_FILE.print("SPI speed: ");
   LOG_FILE.print(success_mhz);
   LOG_FILE.println("Mhz");