1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/FreeRTOS_Library/demo_code/consoleprint.c b/contrib/FreeRTOS_Library/demo_code/consoleprint.c
new file mode 100644
index 0000000..569a7a1
--- /dev/null
+++ b/contrib/FreeRTOS_Library/demo_code/consoleprint.c
@@ -0,0 +1,68 @@
+//*****************************************************************************
+//   +--+
+//   | ++----+
+//   +-++    |
+//     |     |
+//   +-+--+  |
+//   | +--+--+
+//   +----+    Copyright (c) 2009 Code Red Technologies Ltd.
+//
+// consoleprint.c - provides a "print string to console" function that uses
+//                  the CodeRed semihosting debug channel functionality.
+//
+// Software License Agreement
+//
+// The software is owned by Code Red Technologies and/or its suppliers, and is
+// protected under applicable copyright laws.  All rights are reserved.  Any
+// use in violation of the foregoing restrictions may subject the user to criminal
+// sanctions under applicable laws, as well as to civil liability for the breach
+// of the terms and conditions of this license.
+//
+// THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+// USE OF THIS SOFTWARE FOR COMMERCIAL DEVELOPMENT AND/OR EDUCATION IS SUBJECT
+// TO A CURRENT END USER LICENSE AGREEMENT (COMMERCIAL OR EDUCATIONAL) WITH
+// CODE RED TECHNOLOGIES LTD.
+//
+//*****************************************************************************
+
+#include <stdio.h>
+#include <string.h>
+#include "consoleprint.h"
+
+/*
+ * Prototype for Code Red library stub function that carries out
+ * semihosting "SYS_WRITE" operation. Note that Code Red makes no
+ * guarantees that the interface to this stub function will not
+ * change in future versions of the tools.
+ */
+#if (defined(__NEWLIB__))
+#define LIBSTUB_SYS_WRITE _swiwrite
+#else // __REDLIB__
+#define LIBSTUB_SYS_WRITE __write
+#endif
+int LIBSTUB_SYS_WRITE (int, char *, int);
+
+/*
+ * consoleprint() -  provides a "print string to console" function that uses
+ * the CodeRed semihosting debug channel functionality. Because this can
+ * send a full string in one operation, rather than a single character (as
+ * using printf will) this will provide faster prints to the console.
+ *
+ * Input - pointer to zero-terminated character string
+ * Returns 0 if successful
+ *
+ * Note that in order to consoleprint() to actually display to the console,
+ * the semihosting interface using stdout must have been setup. The easiest
+ * way to do this is to call printf() once at the start of your application
+ */
+int consoleprint(char *cpstring)
+{
+	 int slen, res;
+	 // Calculate length of string
+	 slen = strlen (cpstring);
+	 // Call function to carry out semihosting "SYS_WRITE" operation
+	 res = LIBSTUB_SYS_WRITE (0, cpstring,slen);	// Note that '0' represents stdout
+	 return res;
+}