/****************************************************************************
*                                                                           
*
*     Include (.h) fil til serielle interruptrutiner
*
*                                                                           
****************************************************************************/




#ifndef baud_request
#define baud_request 1

typedef struct {
        unsigned short bps_10;
        char           parity;
        unsigned char  databits;
        unsigned char  stopbits;
} BAUD;

#endif

#if 0
/* peek er defineret andetsteds */
extern int peek(unsigned int seg, unsigned int ofs);
#endif

extern void Install_IrqLevel (int level, int port_a, int port_b);
extern void Remove_IrqLevel  (int level);

extern void Set_RTS (int com_no, int on_off);
extern void Set_DTR (int com_no, int on_off);

extern int Test_DCD (int com_no);
extern int Test_DSR (int com_no);
extern int Test_CTS (int com_no);
extern int Test_RI  (int com_no);
extern int Test_TxEmpty (int com_no);
extern int Test_RxFull  (int com_no);

extern void SetBreak (int com_no, int on_off);
extern void SetLoopBack (int com_no, int on_off);
extern char Get_RxData  (int com_no);
extern void Put_TxData  (int com_no, char ch);

extern void GetBaudrate (int com_no, BAUD *baud_struct);
extern void SetBaudrate (int com_no, unsigned short rate_10, char parity,\
                        int databits, int stopbits);

extern void EnableRxIrq  (int com_no);
extern void DisableRxIrq (int com_no);
extern void far EnableTxIrq  (int com_no);
extern void DisableTxIrq (int com_no);

extern void InstallCharHandler (int com_no,\
                               void  (far *rx_handler)(int,char),\
                               short (far *tx_handler)(int));