Diff: EMAC/uIP/common/Retarget.c

Revision:

0:bf7b9fba3924

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EMAC/uIP/common/Retarget.c	Sun Mar 20 05:38:56 2011 +0000
@@ -0,0 +1,57 @@
+/******************************************************************************/
+/* RETARGET.C: 'Retarget' layer for target-dependent low level functions      */
+/******************************************************************************/
+/* This file is part of the uVision/ARM development tools.                    */
+/* Copyright (c) 2005-2007 Keil Software. All rights reserved.                */
+/* This software may only be used under the terms of a valid, current,        */
+/* end user licence from KEIL for a compatible version of KEIL software       */
+/* development tools. Nothing else gives you the right to use this software.  */
+/******************************************************************************/
+
+#include <stdio.h>
+#include <rt_misc.h>
+
+#pragma import(__use_no_semihosting_swi)
+
+// implementation depends on the microcontroller hardware
+extern unsigned char  sendchar(unsigned char ch);  /* in serial.c */
+extern unsigned char  getkey(void);
+
+
+struct __FILE { int handle; /* Add whatever you need here */ };
+FILE __stdout;
+FILE __stdin;
+
+int fputc(int ch, FILE *f) {
+  return (sendchar(ch));
+}
+
+// simplified fgetc version that only redirects STDIN
+#if 1
+int fgetc(FILE * fp)
+{
+// redirect STDIN	
+ return(getkey());
+}
+#else  // echo a char
+int fgetc(FILE * fp)
+{
+ return(sendchar(getkey()));
+}
+#endif
+
+
+int ferror(FILE *f) {
+  /* Your implementation of ferror */
+  return EOF;
+}
+
+
+void _ttywrch(int ch) {
+  sendchar(ch);
+}
+
+
+void _sys_exit(int return_code) {
+label:  goto label;  /* endless loop */
+}