ssp.h

NXP LPC系列AMR7的开发程序源码（LCD

/*****************************************************************************
 *   ssp.h:  Header file for NXP LPC23xx/24xx Family Microprocessors
 *
 *   Copyright(C) 2006, NXP Semiconductor
 *   All rights reserved.
 *
 *   History
 *   2006.07.19  ver 1.00    Prelimnary version, first Release
 *
******************************************************************************/
#ifndef __SSP_H__
#define __SSP_H__

#define DMA_ENABLED		1

/* if USE_CS is zero, set SSEL as GPIO that you have total control of the sequence */
#define USE_CS			1

/* SPI read and write buffer size */
#define BUFSIZE			256
#define FIFOSIZE		8

/* SSP select pin */
#define SSP0_SEL		1 << 16
	
/* 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

/* If RX_INTERRUPT is enabled, the SSP RX will be handled in the ISR
SSP0Receive() will not be needed. */
extern __irq __nested __arm void SSSP0Handler( void );
extern DWORD SSP0Init( void );
extern void SSP0Send( BYTE *Buf, DWORD Length );
extern void SSP0Receive( BYTE *buf, DWORD Length );

#endif  /* __SSP_H__ */
/*****************************************************************************
**                            End Of File
******************************************************************************/