#include <io.h>
#endif
-
-//LED on P1.0
+//LED on P5.4
#define PLEDOUT P5OUT
#define PLEDDIR P5DIR
#define PLEDPIN BIT4
+#define SPIOUT P3OUT
+#define SPIDIR P3DIR
+#define SPIIN P3IN
+#define SPIREN 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 \
+ P1DIR = 0xe0;\
+ P1OUT = 0x00;\
+ P2DIR = 0x7b;\
+ P2OUT = 0x10;\
+ P3DIR = 0xf1;\
+ P3OUT = 0x00;\
+ P4DIR = 0xfd;\
+ P4OUT = 0xFd;\
+ P5DIR = 0xff;\
+ P5OUT = 0xff;\
+ P6DIR = 0xff;\
+ P6OUT = 0x00;
+
//Radio CS is P4.2
#define SETSS P4OUT|=BIT2
#define CLRSS P4OUT&=~BIT2
-#define DIRSS P4DIR|=BIT2;
+#define DIRSS P4DIR|=BIT2
-//CC2420 Chip Reset. Need to document this.
+//Flash CS is P4.4, redefine only for the SPI app.
+#ifdef SPIAPPLICATION
+#undef SETSS
+#undef CLRSS
+#undef DIRSS
+#define SETSS P4OUT|=BIT4
+#define CLRSS P4OUT&=~BIT4
+#define DIRSS P4DIR|=BIT4
+#endif
+
+//CC2420 Chip Enable
#define SETCE P4OUT|=BIT6
#define CLRCE P4OUT&=~BIT6
#define DIRCE P4DIR|=BIT6