spi.h

LPC2102的keil vendor code

/*****************************************************************************
 *   spi.h:  Header file for Philips LPC214x Family Microprocessors
 *
 *   Copyright(C) 2006, Philips Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2005.10.01  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#ifndef __SPI_H__
#define __SPI_H__

#define BUFSIZE					(0x21)

/* this flag is to test SPI in either interrupt mode or polling */
#define INTERRUPT_MODE			(0)

/* Delay count after each write */
#define DELAY_COUNT				(10)

#define SPI0_INT_FLAG			(0x01)

/* SPI0 ports */
#define SPI0_SCK				(0x00000010)
#define SPI0_MISO				(0x00000020)
#define SPI0_MOSI				(0x00000040)
#define SPI0_SSEL				(0x00000080)

#define SPI0_ABORT				(0x01)		/* below two are SPI0 interrupt */
#define SPI0_MODE_FAULT			(0x02)
#define SPI0_OVERRUN			(0x04)
#define SPI0_COL				(0x08)
#define SPI0_TX_DONE			(0x10)

#define ABRT					(1 << 3)		/* SPI0 interrupt status */
#define MODF					(1 << 4)
#define ROVR					(1 << 5)
#define WCOL					(1 << 6)
#define SPIF					(1 << 7)

/* SPI 0 PCR register */
#define SPI0_BE					(0x00000004)
#define SPI0_CPHA				(0x00000008)
#define SPI0_CPOL				(0x00000010)
#define SPI0_MSTR				(0x00000020)
#define SPI0_LSBF				(0x00000040)
#define SPI0_SPIE				(0x00000080)

extern BYTE I2C0TxCounter;
extern BYTE I2C0TxBuffer[BUFSIZE];
extern BYTE I2C0RxBuffer[BUFSIZE];

void SPI0_Handler (void) __irq;
DWORD SPI_Init(void);
DWORD SPI_DeInit(void);
void SPI_Send(BYTE *Buf, DWORD Length);
void SPI_Receive(BYTE *Buf);
void SPI_Config(BYTE *buf);
void SPI_OnOff(void);

#endif  /* __SPI_H__ */
/*****************************************************************************
**                            End Of File
******************************************************************************/