Add ADuCRF101 library code from Analog Devices

cpu/arm/aducrf101/Common/RealView/Retarget.c

@@ -0,0 +1,106 @@
+/**
+ * Copyright (c) 2014, Analog Devices, Inc.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted (subject to the limitations in the
+ * disclaimer below) provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the
+ *   distribution.
+ *
+ * - Neither the name of Analog Devices, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived
+ *   from this software without specific prior written permission.
+ *
+ * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
+ * GRANTED BY THIS LICENSE.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
+ * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/**
+    Module       : retarget.c
+   Description  :
+    Date         : December 2012
+    Version      : v2.00
+    Changelog    : v1.00 Initial
+                v2.00 use of UrtLib functions
+*/
+
+#include <stdio.h>
+#include <rt_misc.h>
+#include <include.h>
+
+#pragma import(__use_no_semihosting_swi)
+
+ #define CR     0x0D
+struct __FILE { int handle; /* Add whatever you need here */ };
+FILE __stdout;
+FILE __stdin;
+
+
+// Re-targetting the Realview library functions
+/*
+ * writes the character specified by c (converted to an unsigned char) to
+ * the output stream pointed to by stream, at the position indicated by the
+ * asociated file position indicator (if defined), and advances the
+ * indicator appropriately. If the file position indicator is not defined,
+ * the character is appended to the output stream.
+ * Returns: the character written. If a write error occurs, the error
+ *          indicator is set and fputc returns EOF.
+ */
+int fputc(int ch, FILE * stream )
+{
+   if(ch == '\n')
+      while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
+   UrtTx(0, CR); /* output CR */
+   while(!(COMLSR_THRE==(UrtLinSta(0) & COMLSR_THRE)));
+   UrtTx(0, ch);
+   return(ch);
+}
+
+int __backspace(FILE *stream)
+{
+   return 0x0;
+
+}
+/*
+ * obtains the next character (if present) as an unsigned char converted to
+ * an int, from the input stream pointed to by stream, and advances the
+ * associated file position indicator (if defined).
+ * Returns: the next character from the input stream pointed to by stream.
+ *          If the stream is at end-of-file, the end-of-file indicator is
+ *          set and fgetc returns EOF. If a read error occurs, the error
+ *          indicator is set and fgetc returns EOF.
+ */
+int fgetc(FILE * stream)
+{
+   return (UrtRx(0));
+}
+
+
+int ferror(FILE *f) {
+  /* Your implementation of ferror */
+  return EOF;
+}
+
+
+void _ttywrch(int ch)       { UrtTx(0, ch); }
+
+
+void _sys_exit(int return_code) {
+label:  goto label;  /* endless loop */
+}