spi_mem.h

pic单片机工程

/*
 *                         Copyright 1999 by KVASER AB            
 *                   P.O Box 4076 SE-51104 KINNAHULT, SWEDEN
 *             E-mail: [e-mail]   WWW: http://www.kvaser.se
 *
 * This software is a part of the MCP2510 Evaluation Kit from Microchip, Inc.
 *
 * $Header: /Customers/MicroChip/Code/mcTest/inc/spi_mem.h 1     99-06-29 15:26 Mats $
 * $Revision:: 1    $   $NoKeywords: $
 *
 * Description:
 *
 */
#ifndef _SPI_MEM_H_
#define _SPI_MEM_H_

#include "..\inc\std.h"

#define MEMBLOCK1 0x01
#define MEMBLOCK2 0x02
#define MEMBLOCK3 0x04
#define MEMBLOCK4 0x08


extern void SPI_mem_select (void);

extern void SPI_mem_unselect (void);

extern void SPI_mem_RD_address(uchar output);

extern void SPI_mem_WR_address(uchar output);


/*
* Write Enable memory device
*/
extern void SPI_mem_WR_enable(void);

/*
* Read the memory status
 */
extern uchar SPI_mem_RD_status ( void );

/*
* Write the status flaggs to memory device
*/
extern void SPI_mem_WR_status ( uchar outdata );

/*
* Wait here until memory is written
*/
extern uchar SPI_mem_busy ( uchar outdata );

#endif