Squashed 'lib/lufa/' content from commit 385d40300

git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b

LUFA/Drivers/Peripheral/XMEGA/Serial_XMEGA.c

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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#include "../../../Common/Common.h"
+#if (ARCH == ARCH_XMEGA)
+
+#define  __INCLUDE_FROM_SERIAL_C
+#include "../Serial.h"
+
+FILE USARTSerialStream;
+
+int Serial_putchar(char DataByte,
+                   FILE *Stream)
+{
+	USART_t* USART = fdev_get_udata(Stream);
+
+	Serial_SendByte(USART, DataByte);
+	return 0;
+}
+
+int Serial_getchar(FILE *Stream)
+{
+	USART_t* USART = fdev_get_udata(Stream);
+
+	if (!(Serial_IsCharReceived(USART)))
+	  return _FDEV_EOF;
+
+	return Serial_ReceiveByte(USART);
+}
+
+int Serial_getchar_Blocking(FILE *Stream)
+{
+	USART_t* USART = fdev_get_udata(Stream);
+
+	while (!(Serial_IsCharReceived(USART)));
+	return Serial_ReceiveByte(USART);
+}
+
+void Serial_SendString_P(USART_t* const USART,
+                         const char* FlashStringPtr)
+{
+	uint8_t CurrByte;
+
+	while ((CurrByte = pgm_read_byte(FlashStringPtr)) != 0x00)
+	{
+		Serial_SendByte(USART, CurrByte);
+		FlashStringPtr++;
+	}
+}
+
+void Serial_SendString(USART_t* const USART,
+                       const char* StringPtr)
+{
+	uint8_t CurrByte;
+
+	while ((CurrByte = *StringPtr) != 0x00)
+	{
+		Serial_SendByte(USART, CurrByte);
+		StringPtr++;
+	}
+}
+
+void Serial_SendData(USART_t* const USART,
+                     const void* Buffer,
+                     uint16_t Length)
+{
+	uint8_t* CurrByte = (uint8_t*)Buffer;
+
+	while (Length--)
+	  Serial_SendByte(USART, *(CurrByte++));
+}
+
+void Serial_CreateStream(USART_t* USART, FILE* Stream)
+{
+	if (!(Stream))
+	{
+		Stream = &USARTSerialStream;
+		stdin  = Stream;
+		stdout = Stream;
+    }
+
+    *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar, _FDEV_SETUP_RW);
+    fdev_set_udata(Stream, USART);
+}
+
+void Serial_CreateBlockingStream(USART_t* USART, FILE* Stream)
+{
+	if (!(Stream))
+	{
+		Stream = &USARTSerialStream;
+		stdin  = Stream;
+		stdout = Stream;
+	}
+
+    *Stream = (FILE)FDEV_SETUP_STREAM(Serial_putchar, Serial_getchar_Blocking, _FDEV_SETUP_RW);
+    fdev_set_udata(Stream, USART);
+}
+
+#endif