diff options
Diffstat (limited to 'c/src/lib/libbsp/i960/i960sim/console/console-io.c')
-rw-r--r-- | c/src/lib/libbsp/i960/i960sim/console/console-io.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i960/i960sim/console/console-io.c b/c/src/lib/libbsp/i960/i960sim/console/console-io.c new file mode 100644 index 0000000000..6b6b9da148 --- /dev/null +++ b/c/src/lib/libbsp/i960/i960sim/console/console-io.c @@ -0,0 +1,62 @@ +/* + * This file contains the hardware specific portions of the TTY driver + * for the serial ports on the erc32. + * + * COPYRIGHT (c) 1989-1997. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <bsp.h> +#include <rtems/libio.h> +#include <stdlib.h> +#include <assert.h> + +/* external prototypes for monitor interface routines */ + +void outbyte( char ); +char inbyte( void ); + +/* + * console_outbyte_polled + * + * This routine transmits a character using polling. + */ + +void console_outbyte_polled( + int port, + char ch +) +{ + int status; + int nwritten; + + status = _sys_write (1, &ch, 1, &nwritten); +} + +/* + * console_inbyte_nonblocking + * + * This routine polls for a character. + */ + +int console_inbyte_nonblocking( + int port +) +{ + int status; + int nread; + char c; + + status = _sys_read (0, &c, 1, &nread); + if ( status == 0 ) + return c; + return -1; +} + |