1 //==========================================================================
5 // BSP Console Channel Interfaces.
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
10 // This file is part of eCos, the Embedded Configurable Operating System.
11 // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
13 // eCos is free software; you can redistribute it and/or modify it under
14 // the terms of the GNU General Public License as published by the Free
15 // Software Foundation; either version 2 or (at your option) any later version.
17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY
18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or
19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
22 // You should have received a copy of the GNU General Public License along
23 // with eCos; if not, write to the Free Software Foundation, Inc.,
24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
26 // As a special exception, if other files instantiate templates or use macros
27 // or inline functions from this file, or you compile this file and link it
28 // with other works to produce a work based on this file, this file does not
29 // by itself cause the resulting work to be covered by the GNU General Public
30 // License. However the source code for this file must still be made available
31 // in accordance with section (3) of the GNU General Public License.
33 // This exception does not invalidate any other reasons why a work based on
34 // this file might be covered by the GNU General Public License.
36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
37 // at http://sources.redhat.com/ecos/ecos-license/
38 // -------------------------------------------
39 //####ECOSGPLCOPYRIGHTEND####
40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
44 // Contributors: gthomas
46 // Purpose: BSP Console Channel Interfaces.
50 //####DESCRIPTIONEND####
52 //=========================================================================
59 static unsigned char __console_ungetc;
62 bsp_console_write(const char *p, int len)
64 struct bsp_comm_procs *com;
66 if ((com = bsp_shared_data->__console_procs) != NULL)
67 com->__write(com->ch_data, p, len);
69 bsp_debug_write(p, len);
74 bsp_console_read(char *p, int len)
76 struct bsp_comm_procs *com;
81 if ((com = bsp_shared_data->__console_procs) != NULL) {
82 if (__console_ungetc) {
83 *p = __console_ungetc;
87 return com->__read(com->ch_data, p, len);
89 return bsp_debug_read(p, len);
92 /*#define PRINTABLE_ONLY*/
95 #endif /* PRINTABLE_ONLY */
98 bsp_console_putc(char ch)
100 struct bsp_comm_procs *com;
102 #ifdef PRINTABLE_ONLY
103 if ((!isprint(ch)) && (!isspace(ch)))
105 #endif /* PRINTABLE_ONLY */
107 if ((com = bsp_shared_data->__console_procs) != NULL)
108 com->__putc(com->ch_data, ch);
114 bsp_console_getc(void)
116 struct bsp_comm_procs *com;
119 if ((com = bsp_shared_data->__console_procs) != NULL) {
120 if (__console_ungetc) {
121 ch = __console_ungetc;
122 __console_ungetc = 0;
125 return com->__getc(com->ch_data);
127 return bsp_debug_getc();
132 bsp_console_ungetc(char ch)
134 if (bsp_shared_data->__console_procs != NULL)
135 __console_ungetc = (unsigned char)ch;
137 bsp_debug_ungetc(ch);