spi_at45d3.c

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/*
 * Copyright (C) 2008-2009 by egnite GmbH
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 */

#include <cfg/memory.h>

#include <dev/blockdev.h>
#include <dev/spi_at45d.h>

#ifndef SPI_RATE_AT45D3
#define SPI_RATE_AT45D3  1000000
#endif

#ifndef SPI_MODE_AT45D3
#ifndef SPI_CSHIGH_AT45D3
#define SPI_MODE_AT45D3 (SPI_MODE_3 | SPI_MODE_CSHIGH)
#else
#define SPI_MODE_AT45D3 SPI_MODE_3
#endif
#endif

#ifndef MOUNT_OFFSET_AT45D3
#define MOUNT_OFFSET_AT45D3         0
#endif

#ifndef MOUNT_TOP_RESERVE_AT45D3
#define MOUNT_TOP_RESERVE_AT45D3    0
#endif

NUTSPINODE nodeSpiAt45d3 = {
    NULL,                       
    NULL,                       
    SPI_RATE_AT45D3,            
    SPI_MODE_AT45D3,            
    8,                          
    0                           
};

static NUTBLOCKIO blkIoAt45d3 = {
    NULL,                       
    0,                          
    0,                          
    MOUNT_OFFSET_AT45D3,        
    MOUNT_TOP_RESERVE_AT45D3,   
    SpiAt45dPageRead,           
    SpiAt45dPageWrite,          
#ifdef __HARVARD_ARCH__
    SpiAt45dPageWrite_P,        
#endif
    SpiAt45dIOCtl               
};

NUTDEVICE devSpiAt45d3 = {
    NULL,                       /* Pointer to next device, dev_next. */
    {'A', 'T', '4', '5', 'D', '3', 0, 0, 0},    /* Unique device name, dev_name. */
    IFTYP_BLKIO,                /* Type of device, dev_type. */
    0,                          /* Base address, dev_base (not used). */
    0,                          /* First interrupt number, dev_irq (not used). */
    &nodeSpiAt45d3,             /* Interface control block, dev_icb. */
    &blkIoAt45d3,               /* Driver control block, dev_dcb. */
    SpiAt45dInit,               /* Driver initialization routine, dev_init. */
    NutBlockDeviceIOCtl,        /* Driver specific control function, dev_ioctl. */
    NutBlockDeviceRead,         /* Read from device, dev_read. */
    NutBlockDeviceWrite,        /* Write to device, dev_write. */
#ifdef __HARVARD_ARCH__
    NutBlockDeviceWrite_P,      /* Write data from program space to device, dev_write_P. */
#endif
    NutBlockDeviceOpen,         /* Open a device or file, dev_open. */
    NutBlockDeviceClose,        /* Close a device or file, dev_close. */
    NutBlockDeviceSize          /* Request file size, dev_size. */
};