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- /* Serial.h */
-
-
- void closeserial(void);
- void interrupt com_int (void);
- int getccb(void);
- void closeserial(void);
- void initserial (void);
- void i_disable (void);
- void i_enable (int pnum);
- void resvects (void);
- void setvects (void);
- void comon (void);
- int SerialOut (char x);
- int setserial (int Port,int Speed,int Parity,int Bits,int StopBit);
-
- #define TRUE 1
- #define FALSE 0
- #define SBUFSIZ 0x2000
-
- #define COM1BASE 0x3F8 /* base port for com1 */
- #define COM2BASE 0x2F8 /* base port for com2 */
-
- /* */
- /* registers for serial port (not all used) */
- /* */
-
- #define TX 0 /* Transmit register */
- #define RX 0 /* receive register */
- #define IER 1 /* Interrupt Enable */
- #define IIR 2 /* Interrupt ID */
- #define LCR 3 /* Line control */
- #define MCR 4 /* Modem control */
- #define LSR 5 /* Line Status */
- #define MSR 6 /* Modem Status */
- #define DLL 0 /* Divisor Latch Low */
- #define DLH 1 /* Divisor latch high */
-
- /* */
- /* Status values */
- /* */
-
- #define RCVRDY 0x01 /* Data ready flag */
- #define OVRERR 0x02 /* Overrun error */
- #define PRTYERR 0x04 /* Parity error */
- #define FRMERR 0x08 /* Framing error */
- #define BRKINT 0x10 /* Break interrupt */
- #define XMTRDY 0x20 /* Transmit register empty */
- #define XMTRSR 0x40 /* Tx shift register empty */
-
- /* */
- /* Status values for modem register */
- /* */
-
- #define CTS 0x10
- #define DSR 0x20
- #define RI 0x40
- #define CD 0x80
-
- #define DTR 0x01
- #define RTS 0x02
- #define OUT2 0x08
-
- #define IMR 0x21
- #define ICR 0x20
- #define EOI 0x20
- #define RX 0
- #define IIR 2
- #define RX_MASK 7
- #define RX_ID 4
-
- #define IRQ3 0xf7
- #define IRQ4 0xef
-
- #define MCR 4
- #define IER 1
- #define MC_INT 8
- #define RX_INT 1
- #define RX_MASK 7
- #define RX_ID 4
-
- #define BUFOVFL 1 /* buffer overflowed */
-
- #define COM1 1
- #define COM2 2
-
- #define NO_PAR 0
- #define EV_PAR 1
- #define OD_PAR 2