added boostc files

boostc/spi.c

@@ -0,0 +1,17 @@
+#include <system.h>
+#include "spi.h"
+
+
+void spi_init(){
+	while(!osccon.IOFS){}		//wait for osc stable
+	sspstat = 0b00000000;		//SMP(7)=0, CKE(6)=0 (clock edge idle to active)
+	sspcon1 = 0b00010010;		//CKP(4)=1 clock polarity (idle high)
+								//SSPM3:SSPM0(3:0)=010 spi clock FOSC/64 (<400kHz)
+	sspcon1.SSPEN=1;			//SSPEN(5)=1 enable SPI
+}
+
+unsigned char spi_putc(unsigned char send){
+	sspbuf=send;
+	while(!sspstat.BF){}
+	return sspbuf;
+}