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authorCristian Maglie <c.maglie@bug.st>2013-05-29 18:30:36 +0200
committerCristian Maglie <c.maglie@bug.st>2013-05-29 18:30:36 +0200
commitd90fcca5839d13d57ed527d4009b78d22dafbde7 (patch)
tree768b98af21e5075846184dd3de41ae0c22e75e20 /libraries/Robot_Control/Wire.h
parent7207108255a772474b322151cb0fd113e8030afe (diff)
parentef4e8c65373f531ce6d37ff226a21fc9b358ff29 (diff)
Merged 1.0.5
Diffstat (limited to 'libraries/Robot_Control/Wire.h')
-rw-r--r--libraries/Robot_Control/Wire.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/libraries/Robot_Control/Wire.h b/libraries/Robot_Control/Wire.h
new file mode 100644
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--- /dev/null
+++ b/libraries/Robot_Control/Wire.h
@@ -0,0 +1,79 @@
+/*
+ TwoWire.h - TWI/I2C library for Arduino & 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 2012 by Todd Krein (todd@krein.org) to implement repeated starts
+*/
+
+#ifndef TwoWire_h
+#define TwoWire_h
+
+#include <inttypes.h>
+#include "Stream.h"
+
+#define BUFFER_LENGTH 32
+
+class TwoWire : public Stream
+{
+ private:
+ static uint8_t rxBuffer[];
+ static uint8_t rxBufferIndex;
+ static uint8_t rxBufferLength;
+
+ static uint8_t txAddress;
+ static uint8_t txBuffer[];
+ static uint8_t txBufferIndex;
+ static uint8_t txBufferLength;
+
+ static uint8_t transmitting;
+ static void (*user_onRequest)(void);
+ static void (*user_onReceive)(int);
+ static void onRequestService(void);
+ static void onReceiveService(uint8_t*, int);
+ public:
+ TwoWire();
+ void begin();
+ void begin(uint8_t);
+ void begin(int);
+ void beginTransmission(uint8_t);
+ void beginTransmission(int);
+ uint8_t endTransmission(void);
+ uint8_t endTransmission(uint8_t);
+ uint8_t requestFrom(uint8_t, uint8_t);
+ uint8_t requestFrom(uint8_t, uint8_t, uint8_t);
+ uint8_t requestFrom(int, int);
+ uint8_t requestFrom(int, int, int);
+ virtual size_t write(uint8_t);
+ virtual size_t write(const uint8_t *, size_t);
+ virtual int available(void);
+ virtual int read(void);
+ virtual int peek(void);
+ virtual void flush(void);
+ void onReceive( void (*)(int) );
+ void onRequest( void (*)(void) );
+
+ inline size_t write(unsigned long n) { return write((uint8_t)n); }
+ inline size_t write(long n) { return write((uint8_t)n); }
+ inline size_t write(unsigned int n) { return write((uint8_t)n); }
+ inline size_t write(int n) { return write((uint8_t)n); }
+ using Print::write;
+};
+
+extern TwoWire Wire;
+
+#endif
+