scc2modem.h

860最小系统的bsp

#define SCC2MODEM_TXBDNUM   10
#define SCC2MODEM_RXBDNUM   10
#define SCC2MODEM_TXBUFFER  1
#define SCC2MODEM_RXBUFFER  1
#define SCC2_RBASE_OFFSET   0x0a00
#define SCC2_TBASE_OFFSET   0x0b00
#define SCC_BRKEC(base)   ((VINT16 *) ((base) + 0x44))
#define SCC_UADDR1(base)  ((VINT16 *) ((base) + 0x48))
#define SCC_UADDR2(base)  ((VINT16 *) ((base) + 0x4a))
#define SCC_TOSEQ(base)   ((VINT16 *) ((base) + 0x4e))
#define SCC_CHARACTER1(base)  ((VINT16 *) ((base) + 0x50))
#define SCC_CHARACTER2(base)  ((VINT16 *) ((base) + 0x52))
#define SCC_CHARACTER3(base)  ((VINT16 *) ((base) + 0x54))
#define SCC_CHARACTER4(base)  ((VINT16 *) ((base) + 0x56))
#define SCC_CHARACTER5(base)  ((VINT16 *) ((base) + 0x58))
#define SCC_CHARACTER6(base)  ((VINT16 *) ((base) + 0x5a))
#define SCC_CHARACTER7(base)  ((VINT16 *) ((base) + 0x5c))
#define SCC_CHARACTER8(base)  ((VINT16 *) ((base) + 0x5e))
#define SCC_RCCM(base)        ((VINT16 *) ((base) + 0x60))

/*  standard dual-mode serial driver header structure follows - SCC */

typedef struct ppc860Scc2Modem_chan	/* PPC860SCC_CHAN */
    {
    DEV_HDR	        *devHdr;		/* I/O device header */
                                        /* defined in "iosLib.h"   */
    VINT16              int_vec;        /* interrupt vector number */
    VINT16              channelMode;    /* SIO_MODE                */
    int                 baudRate;
    RING_ID             scc2RingId;
    int                 creatFlag;
    int                 clockRate;      /* CPU clock frequency (Hz) */
    int                 bgrNum;         /* number of BRG being used */
    VINT32 *            pBaud;          /* BRG registers */
    VINT32              regBase;        /* register/DPR base address */
    SCC_UART_DEV        uart;           /* UART SCC device */
    } PPC860SCC2MODEM_CHAN;