first commit

Core/Inc/retarget.h

@@ -0,0 +1,22 @@
+#ifndef _RETARGET_H__
+#define _RETARGET_H__
+
+#include "stm32H7xx_hal.h"
+#include <sys/stat.h>
+#include <stdio.h>
+
+void RetargetInit(UART_HandleTypeDef *huart);
+
+int _isatty(int fd);
+
+int _write(int fd, char *ptr, int len);
+
+int _close(int fd);
+
+int _lseek(int fd, int ptr, int dir);
+
+int _read(int fd, char *ptr, int len);
+
+int _fstat(int fd, struct stat *st);
+
+#endif //#ifndef _RETARGET_H__