forked from Archive/PX4-Autopilot
delete unused pio
This commit is contained in:
Daniel Agar
David Sidrane
parent
fc25213811
commit
40d40330b8
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@ -44,7 +44,6 @@ if(${OS} STREQUAL "nuttx")
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device_nuttx.cpp
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cdev.cpp
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i2c_nuttx.cpp
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pio.cpp
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spi.cpp
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)
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endif()
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@ -506,72 +506,6 @@ private:
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CDev operator=(const CDev &);
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};
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/**
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* Abstract class for character device accessed via PIO
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*/
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class __EXPORT PIO : public CDev
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{
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public:
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/**
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* Constructor
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*
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* @param name Driver name
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* @param devname Device node name
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* @param base Base address of the device PIO area
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* @param irq Interrupt assigned to the device (or zero if none)
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*/
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PIO(const char *name,
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const char *devname,
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uint32_t base,
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int irq = 0);
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virtual ~PIO();
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virtual int init();
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protected:
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/**
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* Read a register
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*
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* @param offset Register offset in bytes from the base address.
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*/
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uint32_t reg(uint32_t offset)
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{
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return *(volatile uint32_t *)(_base + offset);
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}
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/**
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* Write a register
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*
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* @param offset Register offset in bytes from the base address.
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* @param value Value to write.
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*/
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void reg(uint32_t offset, uint32_t value)
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{
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*(volatile uint32_t *)(_base + offset) = value;
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}
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/**
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* Modify a register
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*
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* Note that there is a risk of a race during the read/modify/write cycle
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* that must be taken care of by the caller.
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*
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* @param offset Register offset in bytes from the base address.
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* @param clearbits Bits to clear in the register
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* @param setbits Bits to set in the register
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*/
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void modify(uint32_t offset, uint32_t clearbits, uint32_t setbits)
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{
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uint32_t val = reg(offset);
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val &= ~clearbits;
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val |= setbits;
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reg(offset, val);
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}
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private:
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uint32_t _base;
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};
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} // namespace device
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@ -1,74 +0,0 @@
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/****************************************************************************
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file pio.cpp
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*
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* Base class for devices accessed via PIO to registers.
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*/
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#include "device.h"
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namespace device
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{
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PIO::PIO(const char *name,
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const char *devname,
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uint32_t base,
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int irq) :
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// base class
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CDev(name, devname, irq),
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// public
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// protected
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// private
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_base(base)
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{
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}
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PIO::~PIO()
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{
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// nothing to do here...
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}
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int
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PIO::init()
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{
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int ret = OK;
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// base class init first
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ret = CDev::init();
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return ret;
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}
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} // namespace device
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