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sersetup.h
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C/C++ Source or Header
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1994-02-01
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4KB
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101 lines
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#include <ctype.h>
#include <dos.h>
#include <process.h>
#include <stdarg.h>
#include <bios.h>
#include <ctype.h>
#define INPUT( port ) inp( port )
#define OUTPUT( port, data ) (void) outp( port, data )
#define CLI() disable()
#define STI() enable()
typedef enum {false, true} boolean;
typedef unsigned char byte;
#define TRANSMIT_HOLDING_REGISTER 0x00
#define RECEIVE_BUFFER_REGISTER 0x00
#define INTERRUPT_ENABLE_REGISTER 0x01
#define IER_RX_DATA_READY 0x01
#define IER_TX_HOLDING_REGISTER_EMPTY 0x02
#define IER_LINE_STATUS 0x04
#define IER_MODEM_STATUS 0x08
#define INTERRUPT_ID_REGISTER 0x02
#define IIR_MODEM_STATUS_INTERRUPT 0x00
#define IIR_TX_HOLDING_REGISTER_INTERRUPT 0x02
#define IIR_RX_DATA_READY_INTERRUPT 0x04
#define IIR_LINE_STATUS_INTERRUPT 0x06
#define FIFO_CONTROL_REGISTER 0x02
#define FCR_FIFO_ENABLE 0x01
#define FCR_RCVR_FIFO_RESET 0x02
#define FCR_XMIT_FIFO_RESET 0x04
#define FCR_RCVR_TRIGGER_LSB 0x40
#define FCR_RCVR_TRIGGER_MSB 0x80
#define FCR_TRIGGER_01 0x00
#define FCR_TRIGGER_04 0x40
#define FCR_TRIGGER_08 0x80
#define FCR_TRIGGER_14 0xc0
#define LINE_CONTROL_REGISTER 0x03
#define LCR_WORD_LENGTH_MASK 0x03
#define LCR_WORD_LENGTH_SELECT_0 0x01
#define LCR_WORD_LENGTH_SELECT_1 0x02
#define LCR_STOP_BITS 0x04
#define LCR_PARITY_MASK 0x38
#define LCR_PARITY_ENABLE 0x08
#define LCR_EVEN_PARITY_SELECT 0x10
#define LCR_STICK_PARITY 0x20
#define LCR_SET_BREAK 0x40
#define LCR_DLAB 0x80
#define MODEM_CONTROL_REGISTER 0x04
#define MCR_DTR 0x01
#define MCR_RTS 0x02
#define MCR_OUT1 0x04
#define MCR_OUT2 0x08
#define MCR_LOOPBACK 0x10
#define LINE_STATUS_REGISTER 0x05
#define LSR_DATA_READY 0x01
#define LSR_OVERRUN_ERROR 0x02
#define LSR_PARITY_ERROR 0x04
#define LSR_FRAMING_ERROR 0x08
#define LSR_BREAK_DETECT 0x10
#define LSR_THRE 0x20
#define MODEM_STATUS_REGISTER 0x06
#define MSR_DELTA_CTS 0x01
#define MSR_DELTA_DSR 0x02
#define MSR_TERI 0x04
#define MSR_DELTA_CD 0x08
#define MSR_CTS 0x10
#define MSR_DSR 0x20
#define MSR_RI 0x40
#define MSR_CD 0x80
#define DIVISOR_LATCH_LOW 0x00
#define DIVISOR_LATCH_HIGH 0x01
#define QUESIZE 2048
typedef struct
{
long head, tail; // bytes are put on head and pulled from tail
unsigned char data[QUESIZE];
} que_t;
void InitPort (void);
void ShutdownPort (void);
int read_byte( void );
void write_byte( int c );
void Error (char *error, ...);