dtv-scan-tables.git - Digital TV scan tables

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Diffstat (limited to 'dvb-t/de-Muenchen')

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/* $Id$ * $URL$ * * generic driver helper for parallel port displays * * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at> * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> * * This file is part of LCD4Linux. * * LCD4Linux is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * LCD4Linux 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ /* * * exported fuctions: * * int drv_generic_parport_open (void) * reads 'Port' entry from config and opens * the parallel port * returns 0 if ok, -1 on failure * * int drv_generic_parport_close (void) * closes parallel port * returns 0 if ok, -1 on failure * * unsigned char drv_generic_parport_wire_ctrl (char *name, char *deflt) * reads wiring for one control signal from config * returns DRV_GENERIC_PARPORT_CONTROL_* or 255 on error * * unsigned char drv_generic_parport_hardwire_ctrl (char *name) * returns hardwiring for one control signal * same as above, but does not read from config, * but checks the config and emits a warning that the config * entry will be ignored * returns DRV_GENERIC_PARPORT_CONTROL_* or 255 on error * * unsigned char drv_generic_parport_wire_status (char *name, char *deflt) * reads wiring for one status signal from config * returns DRV_GENERIC_PARPORT_STATUS_* or 255 on error * * unsigned char drv_generic_parport_wire_data (char *name, char *deflt) * reads wiring for one data signal from config * returns 1<<bitpos or 255 on error * * void drv_generic_parport_direction (int direction) * 0 - write to parport * 1 - read from parport * * unsigned char drv_generic_parport_status (void) * reads control lines * * void drv_generic_parport_control (unsigned char mask, unsigned char value) * frobs control line and takes care of inverted signals * * void drv_generic_parport_toggle (unsigned char bit, int level, int delay) * toggles the line <bit> to <level> for <delay> nanoseconds * * void drv_generic_parport_data (unsigned char value) * put data bits on DB1..DB8 * * unsigned char drv_generic_parport_read (void) * reads a byte from the parallel port * * void drv_generic_parport_debug(void) * prints status of control lines * */ #ifndef _DRV_GENERIC_PARPORT_H_ #define _DRV_GENERIC_PARPORT_H_ int drv_generic_parport_open(const char *section, const char *driver); int drv_generic_parport_close(void); unsigned char drv_generic_parport_wire_ctrl(const char *name, const char *deflt); unsigned char drv_generic_parport_hardwire_ctrl(const char *name, const char *deflt); unsigned char drv_generic_parport_wire_status(const char *name, const char *deflt); unsigned char drv_generic_parport_wire_data(const char *name, const char *deflt); void drv_generic_parport_direction(const int direction); unsigned char drv_generic_parport_status(void); void drv_generic_parport_control(const unsigned char mask, const unsigned char value); void drv_generic_parport_toggle(const unsigned char bit, const int level, const unsigned long delay); void drv_generic_parport_data(const unsigned char data); unsigned char drv_generic_parport_read(void); void drv_generic_parport_debug(void); #endif


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