123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103 |
- #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) inportb(port)
- #define OUTPUT(port,data) outportb(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, ...);
- extern int argc;
- extern char **argv;
|