TERM.C
上传用户:sunrenlu
上传日期:2022-06-13
资源大小:1419k
文件大小:1k
- /*
- * basic TTY terminal example demonstrating SIO serial i/o library
- *
- * Gets defaults from TERM.INI, or creates one if none there
- */
- #include <dos.h>
- #include <stdio.h>
- #include <rtos.h>
- #include <sio.h>
- #include <inifile.h>
- main()
- {
- int comport = 1; /* com port */
- WORD port = 0x3f8; /* its i/o port base */
- int baud;
- int irq = 4; /* default for com1 */
- int temp;
- DWORD dummy;
- rt_init( 100 );
- kdebug = 3;
- if (( comport = GetIniDWORD( "term.ini", "com", "port", 0 )) == 0 ){
- comport = 1;
- SetIniDWORD("term.ini","com","port", comport );
- }
- if ( comport == 2 ) {
- port = 0x2f8;
- irq = 3;
- }
- if (( baud = GetIniDWORD( "term.ini", "com", "baud", 0 )) == 0 ){
- baud = 9600;
- SetIniDWORD("term.ini","com","baud", baud );
- }
- sio_init( comport, port, irq, 4096, 4096, NULL, 0 );
- sio_setup( comport, baud, 8, 0, 1, 1 );
- cprintf("Press ~ to exitrn");
- while ( 1 ) {
- /* poll keyboard for new data */
- if ( kbhit() ) {
- char ch;
- ch = getch();
- /* is it the exit char? */
- if ( ch == '~' ) break;
- sio_writebyte( comport, ch );
- }
- /* poll serial port for new data */
- if ( sio_recv_waiting( comport ) )
- putch( sio_readbyte( comport ));
- }
- sio_close( comport );
- }