//*************************************************************
//  SPI.h
//  
//  This header file is for SPI routines.
//
//  Written for HiTech PICC compiler vX.XX
//**************************************************************
// Master SPI mode only

#define   SMPEND        0x80           // Input data sample at end of data out             
#define   SMPMID        0x00           // Input data sample at middle of data out

#define   MODE_00       0              // Setting for SPI bus Mode 0,0
//CKE           0x40                   // SSPSTAT register 
//CKP           0x00                   // SSPCON1 register 

#define   MODE_01       1              // Setting for SPI bus Mode 0,1
//CKE           0x00                   // SSPSTAT register 
//CKP           0x00                   // SSPCON1 register

#define   MODE_10       2              // Setting for SPI bus Mode 1,0
//CKE           0x40                   // SSPSTAT register
//CKP           0x10                   // SSPCON1 register

#define   MODE_11       3              // Setting for SPI bus Mode 1,1
//CKE           0x00                   // SSPSTAT register
//CKP           0x10                   // SSPCON1 register

/* SSPCON1 REGISTER */
#define   SSPENB        0x20           // Enable serial port and configures SCK, SDO, SDI

#define   SPI_FOSC_4    0              // SPI Master mode, clock = Fosc/4
#define   SPI_FOSC_16   1              // SPI Master mode, clock = Fosc/16
#define   SPI_FOSC_64   2              // SPI Master mode, clock = Fosc/64
#define   SPI_FOSC_TMR2 3              // SPI Master mode, clock = TMR2 output/2
#define   SLV_SSON      4              // SPI Slave mode, /SS pin control enabled
#define   SLV_SSOFF     5              // SPI Slave mode, /SS pin control disabled


extern void OpenSPI( unsigned char sync_mode, unsigned char bus_mode, unsigned char smp_phase);
extern unsigned char WriteSPI( unsigned char data_out );
extern unsigned char ReadSPI( void );