spi.h

IARSOURCECODE是基于LPC2478嵌入式软件IAR EWARM V4.42的应用实例代码

/*****************************************************************************
 *   SPI.h:  Header file for NXP LPC24xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.09.01  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#ifndef __SPI_H
#define __SPI_H

////////////////////////
//MACRO FOR SPI
///////////////////////
#define MSTR   (1<<5)
#define CPOL   (1<<4)
#define CPHA   (1<<3)
#define LSBF   (1<<6)

#define SPI_MODE     (MSTR|CPOL)

extern __irq __arm void Timer2Handler (void);
extern void SPI_Init(char fdiv);
extern char MSendData(char data);
extern void SegDisplay(BYTE data,BYTE segnum);
//extern DWORD Seg_Init( BYTE refresh );
extern DWORD Seg_Init( void );

extern BYTE seg_buf[7];
#endif /* end __SPI_H */
/*****************************************************************************
**                            End Of File
******************************************************************************/