sd_defs.h

nucleus 文件系统,内核和彩色图形系统,在小系统上非常好用

/*************************************************************************/
/*                                                                       */
/*        Copyright (c) 1999      Accelerated Technology, Inc.           */
/*                                                                       */
/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
/* subject matter of this material.  All manufacturing, reproduction,    */
/* use, and sales rights pertaining to this subject matter are governed  */
/* by the license agreement.  The recipient of this software implicitly  */
/* accepts the terms of the license.                                     */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FILE NAME                                            VERSION          */
/*                                                                       */
/*      sd_defs.h                                       M68EZ328/D       */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      SD - Serial Driver                                               */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains constant definitions and function macros      */
/*      for the Serial Driver module.                                    */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      SD_BUFFER   :   Buffer structure for storing RX data.            */
/*      SD_PORT     :   Structure to keep all needed info. about a port. */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*      none                                                             */
/*                                                                       */
/*************************************************************************/
#ifndef SD_DEFS
#define SD_DEFS

#include "plus\nucleus.h"
/* Define the size of the input buffer for the serial driver. */
#define SD_BUFFER_SIZE          100

/* Macros for specifying which UART to use. */
#define SD_UART                 1

#define SD_MAX_UARTS            1




/* Defines for fields and bits of interrupt control and mask registers. */
#define SD_IMR_UART1_MASK       (1 << 12)



/* Macros for reading and writing the UART control registers */
#define M328BASE    0xfffff000



/* Interupt Register Offsets */
#define IVR                  0x300  /* Interrupt Vector Reg  */
#define ICR                  0x302  /* Interrupt Control Reg */
#define IMR                  0x304  /* Interrupt Mask Reg    */
#define ISR                  0x30C  /* Interrupt Status Reg  */
#define IPR                  0x310  /* Interrupt Pending Reg  */
#define DBIRQ_IM_MUART       0x04   /* UART               */


/*  UART Register Offsets */
#define USCREG               0x900
#define UBAUDC               0x902
#define URX_REGS             0x904
#define URX                  URX_REGS+1
#define UTX_REGS             0x906
#define UTX                  UTX_REGS+1
#define UMISC                0x908

#define PESEL                (*(volatile unsigned char *) 0xFFFFF423)
#define BIT4                 0x10
#define BIT5                 0x20
/* Define IO macros. */
#define SD_OUTBYTE(reg, data)   ( (*( (CHAR *) reg) ) = data)

#define SD_INBYTE(reg)          (  *( (CHAR *) reg) )

#define SD_OUTWORD(reg, data)   ( (*( (unsigned short *) reg) ) = data)

#define SD_INWORD(reg)          (  *( (unsigned short *) reg) )

#define SD_PARITY_NONE          0
#define SD_PARITY_ODD           1
#define SD_PARITY_EVEN          2
/* Defines for fields and bits of UART STATUS/Control registers */
#define SD_UART_ENABLE         0x8000  /*  UART Enable               */
#define SD_RX_ENABLE           0x4000  /*  Recv Enable               */
#define SD_TX_ENABLE           0x2000  /*  Transmit enable           */
#define SD_CLOCK_SYNC          0x1000  /*  Synchronous Clock         */
#define SD_PARITY_ENABLE       0x0800  /*  Parity Enable             */ 
#define SD_PARITY_ODD_SET      0x0400  /*  Odd Parity                */
#define SD_STOP_BITS_1         0x0000  /*  1 Stop Bit                */
#define SD_STOP_BITS_2         0x0200  /*  2 Stop Bit                */
#define SD_DATA_BITS_7         0x0000  /*  7 Data Bit                */
#define SD_DATA_BITS_8         0x0100  /*  8 Data Bit                */
#define SD_OLD_DATA_D          0x0000  /*  OLD Data Disable          */
#define SD_OLD_DATA_E          0x0080  /*  OLD Data Enable           */      
#define SD_CTSD_D              0x0000  /*  CTS Disabled              */
#define SD_CTSD_EN             0x0040  /*  CTS Enabled               */
#define SD_RX_FULL_ENABLE      0x0020  /*  RX FULL Enable            */
#define SD_RX_HALF_ENABLE      0x0010  /*  RX Half Enable            */
#define SD_RX_READY_EN         0x0008  /*  RX Ready Enable           */
#define SD_TX_EMPTY_EN         0x0004  /*  TX Empty Enable           */
#define SD_TX_HALF_EN          0x0002  /*  TX HAlf Empty Enable      */
#define SD_TX_AVAIL_REG        0x0001  /*  TX Avaliable for new Data */

/* Defines for fields for the UART Baud Control register */
#define SD_BAUD_115200          0x0038
#define SD_BAUD_57600           0x0138
#define SD_BAUD_38400           0x0026
#define SD_BAUD_19200           0x0126
#define SD_BAUD_9600            0x0226
#define SD_BAUD_4800            0x0326
#define SD_BAUD_2400            0x0426
#define SD_BAUD_1200            0x0526
#define SD_BAUD_600             0x0626
#define SD_BAUD_300             0x0726

/*  Defines and Macros for Receive Register */

#define SD_RX_FIFO_FULL         0x80
#define SD_RX_FIFO_HALF         0x40
#define SD_RX_DATA_READY        0x20
#define SD_RX_OLD_DATA          0x10
#define SD_RX_OVER_RUN          0x08
#define SD_RX_FRAME_ERROR       0x04
#define SD_RX_BREAK             0x02
#define SD_RX_PARITY_ERROR      0x01

/* Defines and Macros for Transmit Register */
#define SD_TX_FIFO_EMPTY        0x80
#define SD_TX_FIFO_HALF         0x40
#define SD_TX_AVAIL             0x20
#define SD_TX_SEND_BREAK        0x10
#define SD_TX_NO_CTS            0x08
#define SD_TX_BUSY              0x04
#define SD_TX_CTS_STAT          0x02
#define SD_TX_CTS_DELTA         0x01

/*  Defines and Macros doe UART Miscellaneous Register */

#define SD_MISC_BAUD_TEST        0x8000  /*  Run A Baud Test            */
#define SD_MISC_CLK_SRC          0x4000  /*  Set the Clock Source       */
#define SD_MISC_FORCE_PERR       0x2000  /*  Force a Parity Error       */
#define SD_MISC_LOOP             0x1000  /*  Force a Loop Back Test     */
#define SD_MISC_BAUD_RESET       0x0800  /*  Reset Baud Rate Generator  */
#define SD_MISC_IR_TEST          0x0400  /*  Ir Test                    */
#define SD_RTS_CONT              0x0080  /*  Selects RTS control        */
#define SD_RTS_RSP               0x0040  /*  Selects Request to Send Pin*/
#define SD_IRDA_ENABLE           0x0020  /*  Infrared enable            */
#define SD_IRDA_LOOP             0x0010  /*  Infra-Red Loop             */
#define SD_RX_POLARITY           0x0008  /*  Receive Polarity           */
#define SD_TX_POLARITY           0x0004  /*  Transmit Polarity          */






#define SD_UART_VECTOR        64


/* Define data structures for management of a serial port. */
typedef struct SD_BUFFER_STRUCT
{
    INT     status;
    CHAR    *head;
    CHAR    *tail;
    CHAR    *read;
    CHAR    *write;
    CHAR    data[SD_BUFFER_SIZE];

} SD_BUFFER;

typedef struct SD_INIT_STRUCT
{
    UNSIGNED    com_port;
    UNSIGNED    data_bits;
    UNSIGNED    stop_bits;
    UNSIGNED    parity;
    UNSIGNED    baud_rate;
    UNSIGNED    data_mode;
    UNSIGNED    base_address;
    UNSIGNED    vector;
    UNSIGNED    parity_errors;
    UNSIGNED    frame_errors;
    UNSIGNED    overrun_errors;
    SD_BUFFER   buffer;

} SD_PORT;

/* Defines to be used by application */
#define NU_SERIAL_PORT          SD_PORT
#define NU_SD_PARITY_NONE       SD_PARITY_NONE
#define NU_SD_PARITY_EVEN       SD_PARITY_EVEN
#define NU_SD_PARITY_ODD        SD_PARITY_ODD


#define NU_SD_DATA_BITS_7       SD_DATA_BITS_7
#define NU_SD_DATA_BITS_8       SD_DATA_BITS_8

#define NU_SD_MODE_NORMAL       0
#define NU_SD_MODE_AUTO_ECHO    0
#define NU_SD_MODE_LOCAL_LOOP   0
#define NU_SD_MODE_REMOTE_LOOP  0

#define NU_SD_STOP_BITS_1       SD_STOP_BITS_1
#define NU_SD_STOP_BITS_2       SD_STOP_BITS_2

#define SD_UART1                1
#define NU_SD_UART1             SD_UART1


#define NU_SD_Put_Char          SDC_Put_Char
#define NU_SD_Get_Char          SDC_Get_Char
#define NU_SD_Put_String        SDC_Put_String
#define NU_SD_Init_Port         SDC_Init_Port
#define NU_SD_Data_Ready        SDC_Data_Ready

#define NU_SD_INVALID_PARITY    -1
#define NU_SD_INVALID_DATA_BITS -2
#define NU_SD_INVALID_STOP_BITS -3
#define NU_SD_INVALID_BAUD      -4
#define NU_SD_INVALID_COM_PORT  -5
#define NU_SD_INVALID_MODE      -6
#define NU_SD_UART_LIST_FULL    -7

#define NU_SD_BUFFER_FULL       1
#define NU_SD_BUFFER_DATA       2
#define NU_SD_BUFFER_EMPTY      3


#endif /* ifndef SD_DEFS */