////  $Id: spi.c 331 2008-11-09 16:59:47Z jcw $//  $Revision: 331 $//  $Author: jcw $//  $Date: 2008-11-09 11:59:47 -0500 (Sun, 09 Nov 2008) $//  $HeadURL: http://tinymicros.com/svn_public/arm/lpc2148_demo/trunk/spi/spi.c $//#include "FreeRTOS.h"#include "spi.h"//////void spiInit (void){  U32 spsr;  //  //  Setup SCK0, MISO0 and MOSI0.  SSEL0 (P0.7) is GPIO  //  PCB_PINSEL0 = (PCB_PINSEL0 & ~(PCB_PINSEL0_P04_MASK | PCB_PINSEL0_P05_MASK | PCB_PINSEL0_P06_MASK | PCB_PINSEL0_P07_MASK)) | (PCB_PINSEL0_P04_SCK0 | PCB_PINSEL0_P05_MISO0 | PCB_PINSEL0_P06_MOSI0 | PCB_PINSEL0_P07_GPIO);  //  //  Set P0.7 as output, deselect by driving high  //  GPIO0_FIODIR |= GPIO_IO_P7;  GPIO0_FIOSET  = GPIO_IO_P7;  //  //  Turn on SPI module power  //  SCB_PCONP |= SCB_PCONP_PCSPI0;  //  //  SPI configuration:  //    Master mode  //    Sample on 1st edge of SCK  //    SCK is active high  //    MSB out first  //    No interrupts  //  SPI_SPCR = SPI_SPCR_MSTR | SPI_SPCR_CPHA1ST | SPI_SPCR_CPOLACTHIGH | SPI_SPCR_MSBF;    //  //  Reading the status register clears it  //  spsr = SPI_SPSR;  //  //  SCK0 = (PCLK = (CCLK/APB)) / 8 will be 6Mhz (putt putt putt...)  //  SPI_SPCCR = 8;}//////U8 spiPut (U8 valueIn){  SPI_SPDR = valueIn;  while (!(SPI_SPSR & SPI_SPSR_SPIF))    ;  return SPI_SPDR;}