added comment

interfaces/spich.hpp

@@ -36,6 +36,7 @@ struct SPICH
                    uint8_t* buffer,
                    const uint8_t& len)
     {
+        // spiHwCH.takeMutex();
         chipSelect.write(false);
 
         spiHwCH.tx(address);
@@ -45,6 +46,7 @@ struct SPICH
         };
 
         chipSelect.write(true);
+        // spiHwCH.releaseMutex();
     }