+#define SPIOUT P3OUT
+#define SPIDIR P3DIR
+#define SPIIN P3IN
+#define SPIREN P3REN
+
+#define P5OUT P3OUT
+#define P5DIR P3DIR
+#define P5IN P3IN
+#define P5REN P3REN
+
+
+/* For the radio to be used:
+ 4.6 (!RST) must be low
+ 4.5 (VREF_EN) must be high
+ 4.2 (!CS) must be low for the transaction.
+*/
+
+#define INITPLATFORM \
+ P4DIR|=BIT6+BIT5+BIT2+BIT7+BIT4; \
+ P4OUT=BIT5;
+