diff options
Diffstat (limited to 'firmware/export/pca9555.h')
| -rw-r--r-- | firmware/export/pca9555.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/export/pca9555.h b/firmware/export/pca9555.h new file mode 100644 index 0000000..3180114 --- /dev/null +++ b/firmware/export/pca9555.h @@ -0,0 +1,49 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2013 Andrew Ryabinin + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef _PCA9555_H +#define _PCA9555_H + +#include "pca9555-target.h" + +#define PCA9555_IN0_CMD 0 +#define PCA9555_IN1_CMD 1 +#define PCA9555_OUT0_CMD 2 +#define PCA9555_OUT1_CMD 3 +#define PCA9555_POL0_INV_CMD 4 +#define PCA9555_POL1_INV_CMD 5 +#define PCA9555_CFG0_CMD 6 +#define PCA9555_CFG1_CMD 7 + +#define PCA9555_IN_CMD PCA9555_IN0_CMD +#define PCA9555_OUT_CMD PCA9555_OUT0_CMD +#define PCA9555_POL_INV_CMD PCA9555_POL0_INV_CMD +#define PCA9555_CFG_CMD PCA9555_CFG0_CMD + +void pca9555_target_init(void); +void pca9555_init(void); +unsigned short pca9555_read_input(void); +unsigned short pca9555_read_output(void); +unsigned short pca9555_read_config(void); +void pca9555_write_output(const unsigned short data, const unsigned short mask); +void pca9555_write_config(const unsigned short data, const unsigned short mask); + +#endif |