mbusman.h

coldfire5206芯片平台的升级程序

#ifndef  MBUSMAN_H
  #define MBUSMAN_H


#include "bastype.h"
#include "mbuspack.h"
#define  MBAR_ADDR  MCF5206::MBAR

//MCF5206 MBUS module registers address define
#define  MADR       (MBAR_ADDR + 0x1e0)
#define  MFDR       (MBAR_ADDR + 0x1e4)
#define  MBCR       (MBAR_ADDR + 0x1e8)
#define  MBSR       (MBAR_ADDR + 0x1ec)
#define  MBDR       (MBAR_ADDR + 0x1F0)
#define  MBUS_ICR   (MBAR_ADDR + 0x1e)
#define  UART1_UOP1 (MBAR_ADDR + 0x1b8)
#define  UART1_UOP0 (MBAR_ADDR + 0x1bc)

// Three I2C chip slave address define
#define  CAT24C021_SLAVE_ADDR    0xa0

// the maximal number of data that CAT24C021 can write one time
#define  CAT24C021_PAGE_SIZE     16

#define  EEPROM_SIZE             2048

// repeat times define
#define  CAT24C021_READ_REPEAT    100
#define  CAT24C021_WRITE_REPEAT   500

#define  PACKQUE_NUMBER  2

/**
 * PCF8591 control byte define:
 *   bit7:      unused
 *   bit6:      Analogue output: enable - (1)  or  disable - (0)
 *   bit5~bit4: Analogue input:  four single ended inputs            -  (00)
 *                               three differential inputs           -  (01)
 *                               single ended and differential mixed -  (10)
 *                               two differential inputs             -  (11)
 *   bit3:      unused
 *   bit2:      A/D channel autoincrement: enable - (1)  or disable - (0)
 *   bit1~bit0: A/D channel number:  channel 0  - (00)
 *                                   channel 1  - (01)
 *                                   channel 2  - (10)
 *                                   channel 3  - (11)
 */
#define  PCF8591_CONTROL_BYTE  0x45


enum  OperationType{OP_WRITE = 0, OP_READ = 1};

enum MBUSCmd{ CMD_TRANSMIT,           // normal transmit
              CMD_TRANSMIT_STOP,      // a stop after transmitting
              CMD_TRANSMIT_RECEIVE,   // change to receive mode after transmit
              CMD_RESTART_TRANSMIT,   // restart then transmit
              CMD_RECEIVE_ACK,        // receive with acknowledge
              CMD_RECEIVE_NOACK,      // receive without acknowledge
              CMD_RECEIVE_STOP        // receive then stop
            };


// function prototype define
VOID  MBusInit(VOID);

//extern "C" VOID  MBusMixedLisr(VOID);
extern "C" VOID  Mbus_Lisr(int vector);

//static INT16  ProcessNext(VOID);
static INT16  RepeatTransfer(VOID);
static VOID   ConstructSequence(MBusPackType  *pack);
static VOID   StartTransfer(VOID);
//static VOID   EnterInterrupt(VOID);


CHAR  CAT24C021Initialize(VOID);

CHAR  CAT24C021WritePage(UINT16 baseAddr, UINT16 byteNum, UCHAR *data);

CHAR  CAT24C021WriteSeqByte(UINT16 baseAddr, UINT16 byteNum, UCHAR *data);
CHAR  CAT24C021ReadSeqByte(UINT16 baseAddr, UINT16 byteNum, UCHAR *dataAddr);
VOID  ResetWatchdog( VOID );


static CHAR   MBusTransferByQuery(MBusPackType *thePack);
static UCHAR WaitForMBusFree(VOID);
static UCHAR WaitForMIF(VOID);

static VOID  UpdateCheckSum(UINT16 baseAddr, UINT16 byteNum, UCHAR *data);
static CHAR  CAT24C021LoadMemoryMap(UCHAR *memoryMap);

CHAR  CAT24C021WritePageWithCheck(UINT16 baseAddr, UINT16 byteNum, UCHAR *data);
CHAR  CAT24C021WriteSeqByteWithCheck(UINT16 baseAddr, UINT16 byteNum, UCHAR *data);

INT IsMBusInQueryMode( VOID );
BOOL WriteEeprom(UINT32 addr, UINT32 count, UCHAR* data);

#endif