µracoli Manual Version foo

- µracoli
- User Guide
- Reference Guide

i2c.h
1 /* Copyright (c) 2011 Daniel Thiele
2 All rights reserved.
3
4 Redistribution and use in source and binary forms, with or without
5 modification, are permitted provided that the following conditions
6 are met:
7
8 * Redistributions of source code must retain the above copyright
9 notice, this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
13 * Neither the name of the authors nor the names of its contributors
14 may be used to endorse or promote products derived from this software
15 without specific prior written permission.
16
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 POSSIBILITY OF SUCH DAMAGE. */
28
29 #ifndef I2C_H_
30 #define I2C_H_
31
38 /* === includes ============================================================ */
39
40 /* include here to publish TWI_STATUS codes to higher modules */
41 #include <util/twi.h>
42
43 /* === macros ============================================================== */
44
45 /* === types =============================================================== */
46
47 /* === prototypes ========================================================== */
48 #ifdef __cplusplus
49 extern "C" {
50 #endif
51
53 void i2c_init(uint32_t freq_Hz);
55 uint8_t i2c_probe(uint8_t devaddr);
57 uint8_t i2c_master_writeread(uint8_t devaddr, uint8_t *writebuf, uint8_t bytestowrite, uint8_t *readbuf, uint8_t bytestoread);
58
59 #ifdef __cplusplus
60 } /* extern "C" */
61 #endif
62
63 #endif /* #ifndef I2C_H_ */
i2c_probe
uint8_t i2c_probe(uint8_t devaddr)
i2c_init
void i2c_init(uint32_t freq_Hz)
i2c_master_writeread
uint8_t i2c_master_writeread(uint8_t devaddr, uint8_t *writebuf, uint8_t bytestowrite, uint8_t *readbuf, uint8_t bytestoread)