MakeBlock Drive Updated Updated library for MakeBlock Ranger

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twi.h
1/*
2 twi.h - TWI/I2C library for Wiring & Arduino
3 Copyright (c) 2006 Nicholas Zambetti. All right reserved.
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18*/
19
20#ifndef twi_h
21#define twi_h
22
23 #include <inttypes.h>
24
25 //#define ATMEGA8
26
27 #ifndef TWI_FREQ
28 #define TWI_FREQ 100000L
29 #endif
30
31 #ifndef TWI_BUFFER_LENGTH
32 #define TWI_BUFFER_LENGTH 32
33 #endif
34
35 #define TWI_READY 0
36 #define TWI_MRX 1
37 #define TWI_MTX 2
38 #define TWI_SRX 3
39 #define TWI_STX 4
40
41 void twi_init(void);
42 void twi_disable(void);
43 void twi_setAddress(uint8_t);
44 uint8_t twi_readFrom(uint8_t, uint8_t*, uint8_t, uint8_t);
45 uint8_t twi_writeTo(uint8_t, uint8_t*, uint8_t, uint8_t, uint8_t);
46 uint8_t twi_transmit(const uint8_t*, uint8_t);
47 void twi_attachSlaveRxEvent( void (*)(uint8_t*, int) );
48 void twi_attachSlaveTxEvent( void (*)(void) );
49 void twi_reply(uint8_t);
50 void twi_stop(void);
51 void twi_releaseBus(void);
52
53#endif
54