AXIOMTEK AX10445 Series, Руководство пользователя

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AX10445 Module Series User
’
s Manual
Application
27
4.4 Demo Program for TC for User to
Communicate with Remote Device
/* This is a demo program for testing AX10445 */
#include <stdio.h>
#include <stdlib.h>
#include <dos.h> /* take care of */
#include <bios.h> /* hardware jumper setting */
/* define channel 1 and 2 basic parameter COM1 COM2 COM3 COM4
*/
#define CH1_PA 0x3f8 /* 3F8 2F8 3E8 2E8 */
#define CH2_PA 0x2f8 /* */
#define CH1_MASK 0x0ef /* EF F7 EF F7 */
#define CH2_MASK 0x0f7 /* */
#define CH1_INTNO 0xc /* 0c 0b 0c 0b */
#define CH2_INTNO 0xb /* */
/* define 8250 registers offset */
#define DATA 0
#define IER 1
#define IIR 2
#define LCR 3
#define MCR 4
#define LSR 5
#define MSR 6
/* define buffer size */
#define BUFSIZE 512
/* define operating variable */
static char inbufl[BUFSIZE];
static int rearl, front1;
static char inbuf2[BUFSIZE];
static int rear2,front2;
static char showbuf1[BUFSIZE];
static int sil;
static char showbuf2[BUFSIZE];
static int si2;
static void interrupt (*oldch1)();
static void interrupt (*oldch2)();