tflite micro integrate repo

components/tflite_micro/KEIL/regarget.c

@@ -0,0 +1,84 @@
+/******************************************************************************/
+/* RETARGET.C: 'Retarget' layer for target-dependent low level functions      */
+/******************************************************************************/
+/* This file is part of the uVision/ARM development tools.                    */
+/* Copyright (c) 2005 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.  */
+/******************************************************************************/
+
+typedef int FILEHANDLE;
+__asm(".global __use_no_semihosting_swi");
+
+
+#ifdef NUCLEO_STM32L496ZG
+
+#include "mcu_init.h"
+
+#else
+int fputc(int ch, FILE *f) {
+  /* Place your implementation of fputc here */
+  /* e.g. readwrite a character to the LPUSART1 and Loop until the end of transmission */
+}
+
+int fgetc(FILE *f)
+{
+  /* Place your implementation of fgetc here */
+  /* e.g. readwrite a character to the LPUSART1 and Loop until the end of transmission */
+}
+#endif
+
+void _ttywrch(int ch)
+{
+	ch = ch;
+}
+
+int ferror(FILE *f)
+{
+	(void)f;
+	return EOF;
+}
+
+void _sys_exit(int return_code)
+{
+	(void)return_code;
+	while (1) {
+	};
+}
+
+FILEHANDLE _sys_open(const char *name, int openmode)
+{
+	return 1;
+}
+
+int _sys_close(FILEHANDLE fh)
+{
+	return 0;
+}
+
+int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)
+{
+	//your_device_write(buf, len);
+	return 0;
+}
+
+int _sys_read(FILEHANDLE fh, unsigned char *buf, unsigned len, int mode)
+{
+	return -1;
+}
+
+int _sys_istty(FILEHANDLE fh)
+{
+	return 0;
+}
+
+int _sys_seek(FILEHANDLE fh, long pos)
+{
+	return -1;
+}
+
+long _sys_flen(FILEHANDLE fh)
+{
+	return -1;
+}