1 files changed, 0 insertions, 447 deletions

diff --git a/apps/drivers/device/device.h b/apps/drivers/device/device.h
deleted file mode 100644
index 7d375aab9..000000000
--- a/apps/drivers/device/device.h
+++ /dev/null
@@ -1,447 +0,0 @@
-/****************************************************************************
- *
- *   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 device.h
- *
- * Definitions for the generic base classes in the device framework.
- */
-
-#ifndef _DEVICE_DEVICE_H
-#define _DEVICE_DEVICE_H
-
-/*
- * Includes here should only cover the needs of the framework definitions.
- */
-#include <nuttx/config.h>
-
-#include <errno.h>
-#include <stdbool.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <poll.h>
-
-#include <nuttx/fs/fs.h>
-
-/**
- * Namespace encapsulating all device framework classes, functions and data.
- */
-namespace device __EXPORT
-{
-
-/**
- * Fundamental base class for all device drivers.
- *
- * This class handles the basic "being a driver" things, including
- * interrupt registration and dispatch.
- */
-class __EXPORT Device
-{
-public:
-	/**
-	 * Interrupt handler.
-	 */
-	virtual void	interrupt(void *ctx);	/**< interrupt handler */
-
-protected:
-	const char	*_name;			/**< driver name */
-	bool		_debug_enabled;		/**< if true, debug messages are printed */
-
-	/**
-	 * Constructor
-	 *
-	 * @param name		Driver name
-	 * @param irq		Interrupt assigned to the device.
-	 */
-	Device(const char *name,
-	       int irq = 0);
-	~Device();
-
-	/**
-	 * Initialise the driver and make it ready for use.
-	 *
-	 * @return	OK if the driver initialised OK.
-	 */
-	virtual int	init();
-
-	/**
-	 * Enable the device interrupt
-	 */
-	void		interrupt_enable();
-
-	/**
-	 * Disable the device interrupt
-	 */
-	void		interrupt_disable();
-
-	/**
-	 * Take the driver lock.
-	 *
-	 * Each driver instance has its own lock/semaphore.
-	 *
-	 * Note that we must loop as the wait may be interrupted by a signal.
-	 */
-	void		lock() {
-		do {} while (sem_wait(&_lock) != 0);
-	}
-
-	/**
-	 * Release the driver lock.
-	 */
-	void		unlock() {
-		sem_post(&_lock);
-	}
-
-	/**
-	 * Log a message.
-	 *
-	 * The message is prefixed with the driver name, and followed
-	 * by a newline.
-	 */
-	void		log(const char *fmt, ...);
-
-	/**
-	 * Print a debug message.
-	 *
-	 * The message is prefixed with the driver name, and followed
-	 * by a newline.
-	 */
-	void		debug(const char *fmt, ...);
-
-private:
-	int		_irq;
-	bool		_irq_attached;
-	sem_t		_lock;
-
-	/** disable copy construction for this and all subclasses */
-	Device(const Device &);
-
-	/** disable assignment for this and all subclasses */
-	Device &operator = (const Device &);
-
-	/**
-	 * Register ourselves as a handler for an interrupt
-	 *
-	 * @param irq		The interrupt to claim
-	 * @return		OK if the interrupt was registered
-	 */
-	int		dev_register_interrupt(int irq);
-
-	/**
-	 * Unregister ourselves as a handler for any interrupt
-	 */
-	void		dev_unregister_interrupt();
-
-	/**
-	 * Interrupt dispatcher
-	 *
-	 * @param irq		The interrupt that has been triggered.
-	 * @param context	Pointer to the interrupted context.
-	 */
-	static void	dev_interrupt(int irq, void *context);
-};
-
-/**
- * Abstract class for any character device
- */
-class __EXPORT CDev : public Device
-{
-public:
-	/**
-	 * Constructor
-	 *
-	 * @param name		Driver name
-	 * @param devname	Device node name
-	 * @param irq		Interrupt assigned to the device
-	 */
-	CDev(const char *name, const char *devname, int irq = 0);
-
-	/**
-	 * Destructor
-	 */
-	~CDev();
-
-	virtual int	init();
-
-	/**
-	 * Handle an open of the device.
-	 *
-	 * This function is called for every open of the device. The default
-	 * implementation maintains _open_count and always returns OK.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @return		OK if the open is allowed, -errno otherwise.
-	 */
-	virtual int	open(struct file *filp);
-
-	/**
-	 * Handle a close of the device.
-	 *
-	 * This function is called for every close of the device. The default
-	 * implementation maintains _open_count and returns OK as long as it is not zero.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @return		OK if the close was successful, -errno otherwise.
-	 */
-	virtual int	close(struct file *filp);
-
-	/**
-	 * Perform a read from the device.
-	 *
-	 * The default implementation returns -ENOSYS.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @param buffer	Pointer to the buffer into which data should be placed.
-	 * @param buflen	The number of bytes to be read.
-	 * @return		The number of bytes read or -errno otherwise.
-	 */
-	virtual ssize_t	read(struct file *filp, char *buffer, size_t buflen);
-
-	/**
-	 * Perform a write to the device.
-	 *
-	 * The default implementation returns -ENOSYS.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @param buffer	Pointer to the buffer from which data should be read.
-	 * @param buflen	The number of bytes to be written.
-	 * @return		The number of bytes written or -errno otherwise.
-	 */
-	virtual ssize_t	write(struct file *filp, const char *buffer, size_t buflen);
-
-	/**
-	 * Perform a logical seek operation on the device.
-	 *
-	 * The default implementation returns -ENOSYS.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @param offset	The new file position relative to whence.
-	 * @param whence	SEEK_OFS, SEEK_CUR or SEEK_END.
-	 * @return		The previous offset, or -errno otherwise.
-	 */
-	virtual off_t	seek(struct file *filp, off_t offset, int whence);
-
-	/**
-	 * Perform an ioctl operation on the device.
-	 *
-	 * The default implementation handles DIOC_GETPRIV, and otherwise
-	 * returns -ENOTTY. Subclasses should call the default implementation
-	 * for any command they do not handle themselves.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @param cmd		The ioctl command value.
-	 * @param arg		The ioctl argument value.
-	 * @return		OK on success, or -errno otherwise.
-	 */
-	virtual int	ioctl(struct file *filp, int cmd, unsigned long arg);
-
-	/**
-	 * Perform a poll setup/teardown operation.
-	 *
-	 * This is handled internally and should not normally be overridden.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @param fds		Poll descriptor being waited on.
-	 * @param arg		True if this is establishing a request, false if
-	 *			it is being torn down.
-	 * @return		OK on success, or -errno otherwise.
-	 */
-	virtual int	poll(struct file *filp, struct pollfd *fds, bool setup);
-
-	/**
-	 * Test whether the device is currently open.
-	 *
-	 * This can be used to avoid tearing down a device that is still active.
-	 *
-	 * @return              True if the device is currently open.
-	 */
-	bool            is_open() { return _open_count > 0; }
-
-protected:
-	/**
-	 * Pointer to the default cdev file operations table; useful for
-	 * registering clone devices etc.
-	 */
-	static const struct file_operations	fops;
-
-	/**
-	 * Check the current state of the device for poll events from the
-	 * perspective of the file.
-	 *
-	 * This function is called by the default poll() implementation when
-	 * a poll is set up to determine whether the poll should return immediately.
-	 *
-	 * The default implementation returns no events.
-	 *
-	 * @param filp		The file that's interested.
-	 * @return		The current set of poll events.
-	 */
-	virtual pollevent_t poll_state(struct file *filp);
-
-	/**
-	 * Report new poll events.
-	 *
-	 * This function should be called anytime the state of the device changes
-	 * in a fashion that might be interesting to a poll waiter.
-	 *
-	 * @param events	The new event(s) being announced.
-	 */
-	virtual void	poll_notify(pollevent_t events);
-
-	/**
-	 * Internal implementation of poll_notify.
-	 *
-	 * @param fds		A poll waiter to notify.
-	 * @param events	The event(s) to send to the waiter.
-	 */
-	virtual void	poll_notify_one(struct pollfd *fds, pollevent_t events);
-
-	/**
-	 * Notification of the first open.
-	 *
-	 * This function is called when the device open count transitions from zero
-	 * to one.  The driver lock is held for the duration of the call.
-	 *
-	 * The default implementation returns OK.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @return		OK if the open should proceed, -errno otherwise.
-	 */
-	virtual int	open_first(struct file *filp);
-
-	/**
-	 * Notification of the last close.
-	 *
-	 * This function is called when the device open count transitions from
-	 * one to zero.  The driver lock is held for the duration of the call.
-	 *
-	 * The default implementation returns OK.
-	 *
-	 * @param filp		Pointer to the NuttX file structure.
-	 * @return		OK if the open should return OK, -errno otherwise.
-	 */
-	virtual int	close_last(struct file *filp);
-
-private:
-	static const unsigned _max_pollwaiters = 8;
-
-	const char	*_devname;		/**< device node name */
-	bool		_registered;		/**< true if device name was registered */
-	unsigned	_open_count;		/**< number of successful opens */
-
-	struct pollfd	*_pollset[_max_pollwaiters];
-
-	/**
-	 * Store a pollwaiter in a slot where we can find it later.
-	 *
-	 * Expands the pollset as required.  Must be called with the driver locked.
-	 *
-	 * @return		OK, or -errno on error.
-	 */
-	int		store_poll_waiter(struct pollfd *fds);
-
-	/**
-	 * Remove a poll waiter.
-	 *
-	 * @return		OK, or -errno on error.
-	 */
-	int		remove_poll_waiter(struct pollfd *fds);
-};
-
-/**
- * Abstract class for character device accessed via PIO
- */
-class __EXPORT PIO : public CDev
-{
-public:
-	/**
-	 * Constructor
-	 *
-	 * @param name		Driver name
-	 * @param devname	Device node name
-	 * @param base		Base address of the device PIO area
-	 * @param irq		Interrupt assigned to the device (or zero if none)
-	 */
-	PIO(const char *name,
-	    const char *devname,
-	    uint32_t base,
-	    int irq = 0);
-	~PIO();
-
-	int		init();
-
-protected:
-
-	/**
-	 * Read a register
-	 *
-	 * @param offset	Register offset in bytes from the base address.
-	 */
-	uint32_t reg(uint32_t offset) {
-		return *(volatile uint32_t *)(_base + offset);
-	}
-
-	/**
-	 * Write a register
-	 *
-	 * @param offset	Register offset in bytes from the base address.
-	 * @param value	Value to write.
-	 */
-	void		reg(uint32_t offset, uint32_t value) {
-		*(volatile uint32_t *)(_base + offset) = value;
-	}
-
-	/**
-	 * Modify a register
-	 *
-	 * Note that there is a risk of a race during the read/modify/write cycle
-	 * that must be taken care of by the caller.
-	 *
-	 * @param offset	Register offset in bytes from the base address.
-	 * @param clearbits	Bits to clear in the register
-	 * @param setbits	Bits to set in the register
-	 */
-	void		modify(uint32_t offset, uint32_t clearbits, uint32_t setbits) {
-		uint32_t val = reg(offset);
-		val &= ~clearbits;
-		val |= setbits;
-		reg(offset, val);
-	}
-
-private:
-	uint32_t	_base;
-};
-
-} // namespace device
-
-#endif /* _DEVICE_DEVICE_H */
\ No newline at end of file