bkdhdl.h

本程序为ST公司开发的源代码

/******************************************************************************
 *
 * bkdhdl.h
 *
 * CVS ID:   $Id: bkdhdl.h,v 1.14 2006/09/18 09:55:20 belardi Exp $
 * Author:   Filippo Brenna [FB] - STM
 * Date:     $Date: 2006/09/18 09:55:20 $
 * Revision: $Revision: 1.14 $
 *
 * Description:
 *
 *   block decoder and dma handler: header
 *
 ******************************************************************************
 *
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ******************************************************************************
 *
 * STM CVS Log:
 *
 * $Log: bkdhdl.h,v $
 * Revision 1.14  2006/09/18 09:55:20  belardi
 * Corrected CVS keyword usage
 *
 * Revision 1.13  2006/09/18 09:22:23  belardi
 * Added Log CVS keyword into file header
 *
 * Revision 1.12  2006/09/15 20:15:06  belardi
 * Added Log CVS keyword into file header
 *
 *
 ******************************************************************************/


#ifndef __BKDHDL_H
#define __BKDHDL_H

/*---------------------------------------------------------------------------*/
/*!\brief gen def                                                            */
/*---------------------------------------------------------------------------*/

#define STATE_IDLE       0x00
#define STATE_ACTIVE     0x01

/*---------------------------------------------------------------------------*/
/*!\brief block decoder def                                                  */
/*---------------------------------------------------------------------------*/
#define BD_XFER_IDLE       STATE_IDLE
#define BD_XFER_ACTIVE     STATE_ACTIVE

#define BLOCK_INFO_CRC_OK  0x01


/* bd parameters */
typedef struct bd_params
{
  uint8  data_type;
  UInt   esp        : 1;
  UInt   adpcm      : 1;
  UInt   reserved   : 6;
  struct
  {
    uint8 *input_buffer;
    uint16 input_buffer_size;
    uint16 warning_overflow_thrs;
  } esp_params;

} t_bd_params;

typedef struct
{
  RETVAL     status;
  t_lba      last_good_lba;
  uint32     last_block_cnt;
  uint32     last_valid_block_cnt;
} t_bd_event;

/*---------------------------------------------------------------------------*/

/*---------------------------------------------------------------------------*/
/*!\brief dma1 def                                                           */
/*---------------------------------------------------------------------------*/
#define DMA_XFER_IDLE       STATE_IDLE
#define DMA_XFER_ACTIVE     STATE_ACTIVE

/*---------------------------------------------------------------------------*/


/*---------------------------------------------------------------------------*/
/*!\brief block decoder functions                                            */
/*---------------------------------------------------------------------------*/
void bd_dma_init(t_bd_params* bd_params);
void bd_isr_irq(void);
void dma_ch1_isr_irq(void);
void dma_ch3_isr_irq(void);

extern uint16 dma_ch1_rx_block_idx;
extern uint8  bd_sw_sts;
extern t_bd_params bd_params;
extern t_lba bd_start_lba;
extern t_lba bd_stop_lba;

#endif


/******************************************************************************
*******************************************************************************/