/*    SPI Communication for LPC2148 SPI0.	2/1/2008	Ryan Owens	NOTES:	SCLK_PINSEL, MISO_PINSEL and MOSI_PINSEL must be defined in an external header file.  The definitions should	correspond to the value that needs to be set in the PINSEL0 register.*/#include "spi0.h"#include "LPC214x.h"#include <stdio.h>void SPI0_Init(void)		//This function needs to go in bootup() of Main.c{	PINSEL0 = (PINSEL0 & ~(3 << 8)) | (1 << 8); // Enable SCLK0 on P0.4   - Serial Clock	PINSEL0 = (PINSEL0 & ~(3 << 10)) | (1 << 10); // Enable MISO0 on P0.5 - Master In Slave Out	PINSEL0 = (PINSEL0 & ~(3 << 12)) | (1 << 12); // Enable MOSI0 on P0.6 - Master Out Slave In}void SPI0_send(char c){    SPI0_send_recv(c);}char SPI0_recv(void){    return SPI0_send_recv(0xff);}char SPI0_send_recv(char c){    int in;    S0SPDR = c;						//Place data to be sent into SPI data register    while(!(S0SPSR & SPIF));			//Wait for transfer to complete    in = S0SPDR&0xff;				//Return the character placed in the SPI data register by the slave    return in;}