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Diffstat (limited to 'kstars/kstars/indi/webcam/PPort.h')
-rw-r--r-- | kstars/kstars/indi/webcam/PPort.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/kstars/kstars/indi/webcam/PPort.h b/kstars/kstars/indi/webcam/PPort.h new file mode 100644 index 00000000..c095a6e7 --- /dev/null +++ b/kstars/kstars/indi/webcam/PPort.h @@ -0,0 +1,75 @@ +/* + Copyright (C) 2004 by Jasem Mutlaq + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + +#ifndef _PPort_hpp_ +#define _PPort_hpp_ + +class port_t; + +/** To access and share the parallel port + between severa objects. */ +class PPort { +public: + PPort(); + PPort(int ioPort); + /** set the ioport associated to the // port. + \return true if the binding was possible + */ + bool setPort(int ioPort); + /** set a data bit of the // port. + \return false if IO port not set, or bit not registered by ID. + \param ID the identifier used to register the bit + \param stat the stat wanted for the given bit + \param bit the bit to set. They are numbered from 0 to 7. + + */ + bool setBit(const void * ID,int bit,bool stat); + /** register a bit for object ID. + \param ID the identifier used to register the bit it should be the 'this' pointer. + \param bit the bit of the // port to register + \return false if the bit is allready register with an + other ID, or if the // port is not initialised. + */ + bool registerBit(const void * ID,int bit); + /** release a bit. + \param ID the identifier used to register the bit + \param bit the bit to register. + \return false if the bit was not registered by ID or + if the if the // port is not initialised. + */ + bool unregisterBit(const void * ID,int bit); + + /** test if a bit is registerd. + \param ID the identifier used to register the bit + \param bit the bit to test. + \return false if the bit was not registered by ID or + if the if the // port is not initialised. + */ + bool isRegisterBit(const void * ID,int bit) const; + + /** set the bits off the // port according to previous call to setBit(). + */ + bool commit(); +private: + void reset(); + unsigned char bitArray; + const void * assignedBit[8]; + port_t * currentPort; +}; +#endif |