From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code
---
mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 106 insertions(+), 0 deletions(-)
diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c b/mcu_sdk/gd32f103/rk_eFire/Board/CMSIS/DSP/DSP_Lib_TestSuite/Common/platform/GCC/Retarget.c
new file mode 100644
index 0000000..0ab6c13
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/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;
+}
--
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