1 files changed, 106 insertions, 0 deletions
diff --git a/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c
new file mode 100644
index 0000000..0ab6c13
--- /dev/null
+++ b/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c
@@ -0,0 +1,106 @@
+/*----------------------------------------------------------------------------
+ * Name:    Retarget.c
+ * Purpose: 'Retarget' layer for target-dependent low level functions
+ * Note(s):
+ *----------------------------------------------------------------------------
+ * This file is part of the uVision/ARM development tools.
+ * 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.
+ *
+ * This software is supplied "AS IS" without warranties of any kind.
+ *
+ * Copyright (c) 2012 Keil - An ARM Company. All rights reserved.
+ *----------------------------------------------------------------------------*/
+
+#include <sys/stat.h>
+#include <string.h>
+#include <errno.h>
+
+int SER_PutChar (int c) {
+
+  return (c);
+}
+
+int SER_GetChar (void) {
+
+  return (-1);
+}
+
+/*-- GCC - Newlib runtime support --------------------------------------------*/
+
+extern int  __HeapBase;
+extern int  __HeapLimit;
+
+int _open (const char * path, int flags, ...) 
+{
+  return (-1);
+}
+
+int _close (int fd) 
+{
+  return (-1);
+}
+
+int _lseek (int fd, int ptr, int dir) 
+{
+  return (0);
+}
+
+int __attribute__((weak)) _fstat (int fd, struct stat * st) 
+{
+  memset (st, 0, sizeof (* st));
+  st->st_mode = S_IFCHR;
+  return (0);
+}
+
+int _isatty (int fd) 
+{
+  return (1);
+}
+
+int _read (int fd, char * ptr, int len) 
+{
+  char c;
+  int  i;
+
+  for (i = 0; i < len; i++) 
+  {
+    c = SER_GetChar();
+    if (c == 0x0D) break;
+    *ptr++ = c;
+    SER_PutChar(c);
+  }
+  return (len - i);
+}
+
+int _write (int fd, char * ptr, int len) 
+{
+  int i;
+
+  for (i = 0; i < len; i++) SER_PutChar (*ptr++);
+  return (i);
+}
+
+caddr_t _sbrk (int incr) 
+{
+  static char * heap;
+         char * prev_heap;
+
+  if (heap == NULL) 
+  {
+    heap = (char *)&__HeapBase;
+  }
+  
+  prev_heap = heap;
+
+  if ((heap + incr) > (char *)&__HeapLimit) 
+  {
+    errno = ENOMEM;
+    return (caddr_t) -1;
+  }
+  
+  heap += incr;
+
+  return (caddr_t) prev_heap;
+}