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nussgipfel |
/* GECKO3COM
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*
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* Copyright (C) 2008 by
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* ___ ____ _ _
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* ( _`\ ( __)( ) ( )
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* | (_) )| (_ | |_| | Bern University of Applied Sciences
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* | _ <'| _) | _ | School of Engineering and
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* | (_) )| | | | | | Information Technology
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* (____/'(_) (_) (_)
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*********************************************************************/
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/** \file gecko3com_gpif.h
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*********************************************************************
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* \brief project specific functions to handle the GPIF
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*
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*
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*
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* \author GNUradio team, Christoph Zimmermann bfh.ch
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* \date 2009-4-16
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*
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*/
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#ifndef INCLUDED_GECKO3COM_GPIF_H
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#define INCLUDED_GECKO3COM_GPIF_H
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#define bmGPIF_READ_IN_PROGRESS 1
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#define bmGPIF_PENDING_DATA 2
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nussgipfel |
/** flag to signal, that the GPIF receives data from the FPGA */
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volatile static idata uint8_t flGPIF;
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nussgipfel |
/** \brief initialize GPIF system
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*
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* initialize GPIF with waveform data.
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* for this init_gpif initializes and hooks up all needed ISR's and configures
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* auto OUT/IN mode.
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*/
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void init_gpif (void);
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/** \brief aborts any gpif running gpif transaction */
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void abort_gpif(void);
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/** \brief disables gpif system
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*
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* disables the GPIF I/O ports, unhooks gpif ISR's and configures
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* manual OUT/IN mode.
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*/
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void deactivate_gpif(void);
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#ifdef GECKO3MAIN
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/** makro to trigger a fifo read waveform */
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#define gpif_trigger_read() \
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do { \
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GPIFREADYCFG |= bmINTRDY; /* set internal ready (INTRDY) signal */ \
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SYNCDELAY; \
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setup_flowstate_read(); \
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SYNCDELAY; \
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GPIFTCB3 = 0x00; \
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GPIFTCB2 = 0x00; \
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GPIFTCB1 = 0x00; \
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GPIFTCB0 = 0x01; \
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GPIFTRIG = bmGPIF_EP6_START | bmGPIF_READ; /* trigger FIFO out transfer */ \
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/*SYNCDELAY;*/ \
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} while (0)
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/** makro to trigger a fifo write waveform */
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#define gpif_trigger_write() \
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do { \
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GPIFREADYCFG |= bmINTRDY; /* set internal ready (INTRDY) signal */ \
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SYNCDELAY; \
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setup_flowstate_write(); \
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SYNCDELAY; \
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GPIFTCB3 = 0x00; \
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GPIFTCB2 = 0x00; \
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GPIFTCB1 = 0x00; \
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GPIFTCB0 = 0x01; \
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GPIFTRIG = bmGPIF_EP2_START | bmGPIF_WRITE; /* trigger FIFO out transfer */ \
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/*SYNCDELAY;*/ \
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} while(0)
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#endif /* GECKO3MAIN */
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#endif /* INCLUDED_GECKO3COM_GPIF_H */
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