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Diffstat (limited to 'src/drivers/device/pio.cpp')
-rw-r--r-- | src/drivers/device/pio.cpp | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/drivers/device/pio.cpp b/src/drivers/device/pio.cpp new file mode 100644 index 000000000..f3a805a5e --- /dev/null +++ b/src/drivers/device/pio.cpp @@ -0,0 +1,74 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file pio.cpp + * + * Base class for devices accessed via PIO to registers. + */ + +#include "device.h" + +namespace device +{ + +PIO::PIO(const char *name, + const char *devname, + uint32_t base, + int irq) : + // base class + CDev(name, devname, irq), + // public + // protected + // private + _base(base) +{ +} + +PIO::~PIO() +{ + // nothing to do here... +} + +int +PIO::init() +{ + int ret = OK; + + // base class init first + ret = CDev::init(); + + return ret; +} + +} // namespace device
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