spi_unit.h

USBUSB开发资料类

/*****************************************************************************
 *   uart.h:  Header file for NXP LPC23xx 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

/* SSP Status register */
#define SSPSR_TFE		(1 << 0)
#define SSPSR_TNF		(1 << 1) 
#define SSPSR_RNE		(1 << 2)
#define SSPSR_RFF		(1 << 3) 
#define SSPSR_BSY		(1 << 4)

/* SSP0 CR0 register */
#define SSPCR0_DSS		(1 << 0)
#define SSPCR0_FRF		(1 << 4)
#define SSPCR0_SPO		(1 << 6)
#define SSPCR0_SPH		(1 << 7)
#define SSPCR0_SCR		(1 << 8)

/* SSP0 CR1 register */
#define SSPCR1_LBM		(1 << 0)
#define SSPCR1_SSE		(1 << 1)
#define SSPCR1_MS		(1 << 2)
#define SSPCR1_SOD		(1 << 3)

/* SSP0 Interrupt Mask Set/Clear register */
#define SSPIMSC_RORIM	(1 << 0)
#define SSPIMSC_RTIM	(1 << 1)
#define SSPIMSC_RXIM	(1 << 2)
#define SSPIMSC_TXIM	(1 << 3)

/* SSP0 Interrupt Status register */
#define SSPRIS_RORRIS	(1 << 0)
#define SSPRIS_RTRIS	(1 << 1)
#define SSPRIS_RXRIS	(1 << 2)
#define SSPRIS_TXRIS	(1 << 3)

/* SSP0 Masked Interrupt register */
#define SSPMIS_RORMIS	(1 << 0)
#define SSPMIS_RTMIS	(1 << 1)
#define SSPMIS_RXMIS	(1 << 2)
#define SSPMIS_TXMIS	(1 << 3)

/* SSP0 Interrupt clear register */
#define SSPICR_RORIC	(1 << 0)
#define SSPICR_RTIC		(1 << 1)


BOOL	SPI_Init( void );
BOOL	SPI_Send(void*	pBufStart,	DWORD	DataLength);
BOOL	SPI_CanSendNextPacket(void);
void	SPI_StartRead(void*	pBufStart,	DWORD	DataLength,	DWORD	FirstData);
DWORD	SPI_GetReadCounter(void);

#endif /* end __SPI_H */
/*****************************************************************************
**                            End Of File
******************************************************************************/