view packages/devs/flash/freescale/dspi/sst25xx/current/src/sst25xx_freescale_dspi.c @ 3315:d2b0a80cf02c

Fix double-baud rate define. Bug spotted and patch provided by Mike Jones.
author vae
date Sat, 01 Jun 2013 20:29:45 +0000
parents 35ac6793793f
children
line wrap: on
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//==========================================================================
//
//      sst25xx_freescale_dspi.c
//
//      SST25XX FLASH device over Freescale DSPI
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 2008 Free Software Foundation, Inc.
//
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
//
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// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
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// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
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// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):      ilijak
// Contributor(s):
// Date:           2011-12-14
// Description:
//
//####DESCRIPTIONEND####
//
//==========================================================================


#include <pkgconf/system.h>
#if defined(CYGPKG_IO_SPI) && defined(CYGPKG_DEVS_FLASH_SPI_SST25XX)
// ------------------------------------------------------------------------
// There is an SST25XX serial flash on the SPI bus
//#include <cyg/infra/cyg_type.h>
#include <cyg/io/spi.h>
#include <cyg/io/sst25xx.h>
#include <cyg/io/spi_freescale_dspi.h>
#include <pkgconf/devs_flash_sst25xx_freescale_dspi.h>

// SPI bus device configuration
#define SST25XX_SPI_FRAME_SIZE      8
#define SST25XX_SPI_CLOCK_POL       0
#define SST25XX_SPI_CLOCK_PHASE     0

#ifdef CYGHWR_DEVS_FLASH_SST25XX_DEV0_SPI_USE_DBR
# define SST25XX_SPI_DBR_DEV0 1
#else
# define SST25XX_SPI_DBR_DEV0 0
#endif

// Underlaying Freescale DSPI device
CYG_DEVS_SPI_FREESCALE_DSPI_DEVICE(
    sst25xx_spi_dev0,                         // Device name
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_SPI_BUS,  // SPI bus
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_SPI_CS,   // Dev num (CS)
    SST25XX_SPI_FRAME_SIZE,                  // Frame size
    SST25XX_SPI_CLOCK_POL,                   // Clock pol
    SST25XX_SPI_CLOCK_PHASE,                 // Clock phase
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_SPEED,    // Clock speed (Hz)
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_CS_DLY,   // CS assert delay
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_CS_DLY,   // CS negate delay
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_CS_DLY,   // Delay between transfers
    CYGHWR_DEVS_FLASH_SST25XX_DEV0_CS_DLY_UN,// Delay unit (100 or 1000 ns)
    SST25XX_SPI_DBR_DEV0                     // Use double baud rate
);

//-----------------------------------------------------------------------------
// Instantiate the SST25xx device driver.

CYG_DEVS_FLASH_SPI_SST25XX_DRIVER(sst25xx_flash_dev0,
                                  CYGNUM_DEVS_FLASH_SPI_SST25XX_DEV0_MAP_ADDR,
                                  &sst25xx_spi_dev0);

#endif // defined(CYGPKG_IO_SPI) && defined(CYGPKG_DEVS_FLASH_SPI_SST25XX)

//==========================================================================
// EOF sst25xx_freescale_dspi.c