adjust root folder

2019-10-08 23:47:53 -05:00
parent b6fc50ddea
commit a42e8f507c
1258 changed files with 26 additions and 214 deletions
@@ -0,0 +1,144 @@
+/**
+ * \file
+ *
+ * \brief System-specific implementation of the \ref _write function used by
+ *         the standard library.
+ *
+ * Copyright (c) 2009-2013 Atmel Corporation. All rights reserved.
+ *
+ * \asf_license_start
+ *
+ * \page License
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. The name of Atmel may not be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * 4. This software may only be redistributed and used in connection with an
+ *    Atmel microcontroller product.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
+ *
+ * \asf_license_stop
+ *
+ */
+
+#include "compiler.h"
+
+/**
+ * \addtogroup group_common_utils_stdio
+ *
+ * \{
+ */
+
+volatile void *volatile stdio_base;
+int (*ptr_put)(void volatile*, char);
+
+
+#if ( defined(__ICCAVR32__) || defined(__ICCAVR__) || defined(__ICCARM__))
+
+#include <yfuns.h>
+
+_STD_BEGIN
+
+#pragma module_name = "?__write"
+
+/*! \brief Writes a number of bytes, at most \a size, from the memory area
+ *         pointed to by \a buffer.
+ *
+ * If \a buffer is zero then \ref __write performs flushing of internal buffers,
+ * if any. In this case, \a handle can be \c -1 to indicate that all handles
+ * should be flushed.
+ *
+ * \param handle File handle to write to.
+ * \param buffer Pointer to buffer to read bytes to write from.
+ * \param size Number of bytes to write.
+ *
+ * \return The number of bytes written, or \c _LLIO_ERROR on failure.
+ */
+size_t __write(int handle, const unsigned char *buffer, size_t size)
+{
+	size_t nChars = 0;
+
+	if (buffer == 0) {
+		// This means that we should flush internal buffers.
+		return 0;
+	}
+
+	// This implementation only writes to stdout and stderr.
+	// For all other file handles, it returns failure.
+	if (handle != _LLIO_STDOUT && handle != _LLIO_STDERR) {
+		return _LLIO_ERROR;
+	}
+
+	for (; size != 0; --size) {
+		if (ptr_put(stdio_base, *buffer++) < 0) {
+			return _LLIO_ERROR;
+		}
+		++nChars;
+	}
+	return nChars;
+}
+
+_STD_END
+
+
+#elif (defined(__GNUC__) && !XMEGA && !MEGA)
+
+int __attribute__((weak))
+_write (int file, const char *ptr, int len);
+
+int __attribute__((weak))
+_write (int file, const char *ptr, int len)
+{
+	int nChars = 0;
+
+	if ((file != 1) && (file != 2) && (file!=3)) {
+		return -1;
+	}
+
+	for (; len != 0; --len) {
+		if (ptr_put(stdio_base, *ptr++) < 0) {
+			return -1;
+		}
+		++nChars;
+	}
+	return nChars;
+}
+
+#elif (defined(__GNUC__) && (XMEGA || MEGA))
+
+int _write (char c, int *f);
+
+int _write (char c, int *f)
+{
+	if (ptr_put(stdio_base, c) < 0) {
+		return -1;
+	}
+	return 1;
+}
+#endif
+
+/**
+ * \}
+ */
+