49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2013 Andrew Ryabinin
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef _PCA9555_H
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#define _PCA9555_H
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#include "pca9555-target.h"
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#define PCA9555_IN0_CMD 0
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#define PCA9555_IN1_CMD 1
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#define PCA9555_OUT0_CMD 2
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#define PCA9555_OUT1_CMD 3
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#define PCA9555_POL0_INV_CMD 4
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#define PCA9555_POL1_INV_CMD 5
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#define PCA9555_CFG0_CMD 6
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#define PCA9555_CFG1_CMD 7
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#define PCA9555_IN_CMD PCA9555_IN0_CMD
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#define PCA9555_OUT_CMD PCA9555_OUT0_CMD
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#define PCA9555_POL_INV_CMD PCA9555_POL0_INV_CMD
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#define PCA9555_CFG_CMD PCA9555_CFG0_CMD
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void pca9555_target_init(void);
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void pca9555_init(void);
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unsigned short pca9555_read_input(void);
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unsigned short pca9555_read_output(void);
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unsigned short pca9555_read_config(void);
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void pca9555_write_output(const unsigned short data, const unsigned short mask);
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void pca9555_write_config(const unsigned short data, const unsigned short mask);
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#endif
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