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
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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);
+}
+
+