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Diffstat (limited to 'firmware/target/arm/tcc780x/cowond2/i2c-target.h')
-rw-r--r--firmware/target/arm/tcc780x/cowond2/i2c-target.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/firmware/target/arm/tcc780x/cowond2/i2c-target.h b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
new file mode 100644
index 0000000000..8925a9bae3
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
@@ -0,0 +1,37 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2008 by Rob Purchase
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#ifndef I2C_TARGET_H
20#define I2C_TARGET_H
21
22/* Definitions for the D2 I2C bus */
23
24#define SCL_BIT (1<<0)
25#define SDA_BIT (1<<1)
26
27#define SCL (GPIOA & SCL_BIT)
28#define SCL_HI GPIOA_SET = SCL_BIT
29#define SCL_LO GPIOA_CLEAR = SCL_BIT
30
31#define SDA (GPIOA & SDA_BIT)
32#define SDA_HI GPIOA_SET = SDA_BIT
33#define SDA_LO GPIOA_CLEAR = SDA_BIT
34#define SDA_INPUT GPIOA_DIR &= ~SDA_BIT
35#define SDA_OUTPUT GPIOA_DIR |= SDA_BIT
36
37#endif /* I2C_TARGET_H */