Mercurial > ecos
diff packages/cygmon/current/misc/bsp/common/console-io.c @ 76:435cced73e2f ecos-v1_3_1-release
eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
| author | jlarmour |
|---|---|
| date | Tue, 28 Mar 2000 14:10:45 +0000 |
| parents | |
| children | e0c0827131d1 |
line wrap: on
line diff
new file mode 100644 --- /dev/null +++ b/packages/cygmon/current/misc/bsp/common/console-io.c @@ -0,0 +1,131 @@ +//========================================================================== +// +// console-io.c +// +// BSP Console Channel Interfaces. +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the "License"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an "AS IS" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####DESCRIPTIONBEGIN#### +// +// Author(s): +// Contributors: gthomas +// Date: 1999-10-20 +// Purpose: BSP Console Channel Interfaces. +// Description: +// +// +//####DESCRIPTIONEND#### +// +//========================================================================= + + +#include <stdlib.h> +#include <bsp/bsp.h> +#include "bsp_if.h" + +static unsigned char __console_ungetc; + +void +bsp_console_write(const char *p, int len) +{ + struct bsp_comm_procs *com; + + if ((com = bsp_shared_data->__console_procs) != NULL) + com->__write(com->ch_data, p, len); + else + bsp_debug_write(p, len); +} + + +int +bsp_console_read(char *p, int len) +{ + struct bsp_comm_procs *com; + + if (len <= 0) + return 0; + + if ((com = bsp_shared_data->__console_procs) != NULL) { + if (__console_ungetc) { + *p = __console_ungetc; + __console_ungetc = 0; + return 1; + } + return com->__read(com->ch_data, p, len); + } else + return bsp_debug_read(p, len); +} + +/*#define PRINTABLE_ONLY*/ +#ifdef PRINTABLE_ONLY +#include <ctype.h> +#endif /* PRINTABLE_ONLY */ + +void +bsp_console_putc(char ch) +{ + struct bsp_comm_procs *com; + +#ifdef PRINTABLE_ONLY + if ((!isprint(ch)) && (!isspace(ch))) + ch = '.'; +#endif /* PRINTABLE_ONLY */ + + if ((com = bsp_shared_data->__console_procs) != NULL) + com->__putc(com->ch_data, ch); + else + bsp_debug_putc(ch); +} + +int +bsp_console_getc(void) +{ + struct bsp_comm_procs *com; + int ch; + + if ((com = bsp_shared_data->__console_procs) != NULL) { + if (__console_ungetc) { + ch = __console_ungetc; + __console_ungetc = 0; + return ch; + } + return com->__getc(com->ch_data); + } else + return bsp_debug_getc(); +} + + +void +bsp_console_ungetc(char ch) +{ + if (bsp_shared_data->__console_procs != NULL) + __console_ungetc = (unsigned char)ch; + else + bsp_debug_ungetc(ch); +} + +
