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authorDavid A. Mellis <d.mellis@arduino.cc>2007-10-06 13:02:43 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2007-10-06 13:02:43 +0000
commit179fcdbda432ff33a921a70994087b08b2a79caa (patch)
treedb62b71d303b5b13876773552451406b13cc66cf /core/wiring/TwoWire.h
Moving things around - creating the hardware directory and sticking all the avr code, etc. in there.
Diffstat (limited to 'core/wiring/TwoWire.h')
-rwxr-xr-xcore/wiring/TwoWire.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/core/wiring/TwoWire.h b/core/wiring/TwoWire.h
new file mode 100755
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--- /dev/null
+++ b/core/wiring/TwoWire.h
@@ -0,0 +1,67 @@
+/*
+ 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
+*/
+
+#ifndef TwoWire_h
+#define TwoWire_h
+
+#include <inttypes.h>
+
+#define BUFFER_LENGTH 32
+
+class TwoWire
+{
+ 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);
+ void endTransmission(void);
+ void requestFrom(uint8_t, uint8_t);
+ void requestFrom(int, int);
+ void send(uint8_t);
+ void send(uint8_t*, uint8_t);
+ void send(int);
+ void send(char*);
+ uint8_t available(void);
+ uint8_t receive(void);
+ void onReceive( void (*)(int) );
+ void onRequest( void (*)(void) );
+};
+
+extern TwoWire Wire;
+
+#endif
+