feat: add SDClass fatType method

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

keywords.txt

@@ -31,6 +31,7 @@ setCMD	KEYWORD2
 setCKIN	KEYWORD2
 setCDIR	KEYWORD2
 setDxDIR	KEYWORD2
+fatType	KEYWORD2
 
 #######################################
 # Constants (LITERAL1)

src/STM32SD.h

@@ -153,6 +153,11 @@ class SDClass {
 
     friend class File;
 
+    uint8_t fatType()
+    {
+      return _fatFs.fatType();
+    }
+
   private:
     Sd2Card _card;
     SdFatFs _fatFs;