diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
index 863c43adb67..7891c4164b1 100644
--- a/libraries/SPI/src/SPI.cpp
+++ b/libraries/SPI/src/SPI.cpp
@@ -214,6 +214,11 @@ void SPIClass::writeBytes(uint8_t * data, uint32_t size)
     spiEndTransaction(_spi);
 }
 
+void SPIClass::transfer(uint8_t * data, uint32_t size) 
+{ 
+	transferBytes(data, data, size); 
+}
+
 /**
  * @param data void *
  * @param size uint32_t
diff --git a/libraries/SPI/src/SPI.h b/libraries/SPI/src/SPI.h
index 783a0a394ca..6007cce8f2d 100644
--- a/libraries/SPI/src/SPI.h
+++ b/libraries/SPI/src/SPI.h
@@ -65,10 +65,11 @@ class SPIClass
 
     void beginTransaction(SPISettings settings);
     void endTransaction(void);
-
+    void transfer(uint8_t * data, uint32_t size);
     uint8_t transfer(uint8_t data);
     uint16_t transfer16(uint16_t data);
     uint32_t transfer32(uint32_t data);
+  
     void transferBytes(uint8_t * data, uint8_t * out, uint32_t size);
     void transferBits(uint32_t data, uint32_t * out, uint8_t bits);