libraries/SPI/src/SPI.h

@@ -57,6 +57,8 @@ public:
     // save values from arguments
     SPISettings(uint32_t clock, uint8_t bitOrder, uint8_t mode)
         : speedMaximum(clock), newDataOrder(bitOrder), newDataMode(mode) {}
+    SPISettings() 
+        : speedMaximum(4000000), newDataOrder(MSBFIRST), newDataMode(SPI_MODE0){}  
 };