uart.h

这是单板上DPRAM的驱动程序

#ifndef _UART_H
#define _UART_H

#define SDB_UART     220000

#define SDC_SEND_BREAK (SDB_UART+0) /* NULL */

typedef struct{
    char *UncachedBuffer; 
    int ch;        /* 0 -> smc1, 1->smc2 , ... */
    int MaxRecvBD; /* 5 */
    int MaxSendBD; /* 5 */
    int MaxBufLen; /* 272 */
    int BaudRate;
    int BRG;
    int MaxIdle;   /* Wait nbytes idle to close rx Buffer */
    }UartCfgStruct;

UCHAR *UartBspInit(int DEV, UCHAR *FreeMemPtr, UartCfgStruct *pCfg);

#endif /* _UART_H */