--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/MarlinSerial.h Sat Nov 07 13:23:07 2015 +0100
@@ -0,0 +1,156 @@
+/*
+ HardwareSerial.h - Hardware serial library for Wiring
+ Copyright (c) 2006 Nicholas Zambetti. All right reserved.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Modified 28 September 2010 by Mark Sproul
+*/
+
+
+
+#ifndef MarlinSerial_h
+#define MarlinSerial_h
+#include "Marlin.h"
+
+#ifndef REPRAPPRO_MULTIMATERIALS
+
+#define DEC 10
+#define HEX 16
+#define OCT 8
+#define BIN 2
+#define BYTE 0
+
+
+#if MOTHERBOARD != 8 // ! teensylu
+// Define constants and variables for buffering incoming serial data. We're
+// using a ring buffer (I think), in which rx_buffer_head is the index of the
+// location to which to write the next incoming character and rx_buffer_tail
+// is the index of the location from which to read.
+#define RX_BUFFER_SIZE 128
+
+
+struct ring_buffer
+{
+ unsigned char buffer[RX_BUFFER_SIZE];
+ int head;
+ int tail;
+};
+
+#if defined(UBRRH) || defined(UBRR0H)
+ extern ring_buffer rx_buffer;
+#endif
+
+class MarlinSerial //: public Stream
+{
+
+ public:
+ MarlinSerial();
+ void begin(long);
+ void end();
+ int peek(void);
+ int read(void);
+ void flush(void);
+
+ FORCE_INLINE int available(void)
+ {
+ return (unsigned int)(RX_BUFFER_SIZE + rx_buffer.head - rx_buffer.tail) % RX_BUFFER_SIZE;
+ }
+
+ FORCE_INLINE void write(uint8_t c)
+ {
+ while (!((UCSR0A) & (1 << UDRE0)))
+ ;
+
+ UDR0 = c;
+ }
+
+
+ FORCE_INLINE void checkRx(void)
+ {
+ if((UCSR0A & (1<<RXC0)) != 0) {
+ unsigned char c = UDR0;
+ int i = (unsigned int)(rx_buffer.head + 1) % RX_BUFFER_SIZE;
+
+ // if we should be storing the received character into the location
+ // just before the tail (meaning that the head would advance to the
+ // current location of the tail), we're about to overflow the buffer
+ // and so we don't write the character or advance the head.
+ if (i != rx_buffer.tail) {
+ rx_buffer.buffer[rx_buffer.head] = c;
+ rx_buffer.head = i;
+ }
+ }
+ }
+
+
+ private:
+ void printNumber(unsigned long, uint8_t);
+ void printFloat(double, uint8_t);
+
+
+ public:
+
+ FORCE_INLINE void write(const char *str)
+ {
+ while (*str)
+ write(*str++);
+ }
+
+
+ FORCE_INLINE void write(const uint8_t *buffer, size_t size)
+ {
+ while (size--)
+ write(*buffer++);
+ }
+
+ FORCE_INLINE void print(const String &s)
+ {
+ for (int i = 0; i < (int)s.length(); i++) {
+ write(s[i]);
+ }
+ }
+
+ FORCE_INLINE void print(const char *str)
+ {
+ write(str);
+ }
+ void print(char, int = BYTE);
+ void print(unsigned char, int = BYTE);
+ void print(int, int = DEC);
+ void print(unsigned int, int = DEC);
+ void print(long, int = DEC);
+ void print(unsigned long, int = DEC);
+ void print(double, int = 3);
+
+ void println(const String &s);
+ void println(const char[]);
+ void println(char, int = BYTE);
+ void println(unsigned char, int = BYTE);
+ void println(int, int = DEC);
+ void println(unsigned int, int = DEC);
+ void println(long, int = DEC);
+ void println(unsigned long, int = DEC);
+ void println(double, int = 2);
+ void println(void);
+};
+
+extern MarlinSerial MSerial;
+extern MarlinSerial MSerial1;
+#endif // ! teensylu
+
+#endif
+
+#endif // REPRAPPRO_MULTIMATERIALS