[lcd4linux @ 2005-11-04 14:10:38 by reinelt]

drv_Sample and drv_LPH7508

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@593 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

8 files changed, 1012 insertions, 24 deletions

diff --git a/Makefile.am b/Makefile.am
index 32aea13..ac2917d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -67,6 +67,7 @@ drv_MilfordInstruments.c    \
 drv_Noritake.c              \
 drv_NULL.c                  \
 drv_RouterBoard.c           \
+drv_Sample.c                \
 drv_serdisplib.c            \
 drv_SimpleLCD.c             \
 drv_T6963.c                 \
diff --git a/Makefile.in b/Makefile.in
index 1a09f2c..96b5e63 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -104,7 +104,7 @@ lcd4linux_DEPENDENCIES = @DRIVERS@ @PLUGINS@
 lcd4linux_SOURCES =  lcd4linux.c                 cfg.c         cfg.h         debug.c       debug.h       drv.c         drv.h         evaluator.c   evaluator.h   hash.c        hash.h        layout.c      layout.h      pid.c         pid.h         timer.c       timer.h       thread.c      thread.h      udelay.c      udelay.h      qprintf.c     qprintf.h                                 widget.c      widget.h      widget_text.c widget_text.h widget_bar.c  widget_bar.h  widget_icon.c widget_icon.h                             plugin.c      plugin.h      plugin_cfg.c                plugin_math.c               plugin_string.c             plugin_test.c               plugin_time.c
 
 
-EXTRA_lcd4linux_SOURCES =  drv_generic_text.c          drv_generic_text.h          drv_generic_graphic.c       drv_generic_graphic.h       drv_generic_serial.c        drv_generic_serial.h        drv_generic_parport.c       drv_generic_parport.h       drv_generic_i2c.c           drv_generic_i2c.h           drv_BeckmannEgle.c          drv_BWCT.c                  drv_Crystalfontz.c          drv_Curses.c                drv_Cwlinux.c               drv_HD44780.c               drv_Image.c                 drv_LCDLinux.c              drv_LCDLinux.h              drv_LCDTerm.c               drv_LPH7508.c               drv_M50530.c                drv_MatrixOrbital.c         drv_MilfordInstruments.c    drv_Noritake.c              drv_NULL.c                  drv_RouterBoard.c           drv_serdisplib.c            drv_SimpleLCD.c             drv_T6963.c                 drv_Trefon.c                drv_USBLCD.c                drv_WincorNixdorf.c         drv_X11.c                                               font_6x8.h                                              lcd4linux_i2c.h                                         plugin_apm.c                plugin_cpuinfo.c            plugin_diskstats.c          plugin_dvb.c                plugin_exec.c               plugin_i2c_sensors.c        plugin_imon.c               plugin_isdn.c               plugin_loadavg.c            plugin_meminfo.c            plugin_mysql.c              plugin_netdev.c             plugin_pop3.c               plugin_ppp.c                plugin_proc_stat.c          plugin_python.c             plugin_sample.c             plugin_seti.c               plugin_statfs.c             plugin_uname.c              plugin_uptime.c             plugin_wireless.c           plugin_xmms.c
+EXTRA_lcd4linux_SOURCES =  drv_generic_text.c          drv_generic_text.h          drv_generic_graphic.c       drv_generic_graphic.h       drv_generic_serial.c        drv_generic_serial.h        drv_generic_parport.c       drv_generic_parport.h       drv_generic_i2c.c           drv_generic_i2c.h           drv_BeckmannEgle.c          drv_BWCT.c                  drv_Crystalfontz.c          drv_Curses.c                drv_Cwlinux.c               drv_HD44780.c               drv_Image.c                 drv_LCDLinux.c              drv_LCDLinux.h              drv_LCDTerm.c               drv_LPH7508.c               drv_M50530.c                drv_MatrixOrbital.c         drv_MilfordInstruments.c    drv_Noritake.c              drv_NULL.c                  drv_RouterBoard.c           drv_Sample.c                drv_serdisplib.c            drv_SimpleLCD.c             drv_T6963.c                 drv_Trefon.c                drv_USBLCD.c                drv_WincorNixdorf.c         drv_X11.c                                               font_6x8.h                                              lcd4linux_i2c.h                                         plugin_apm.c                plugin_cpuinfo.c            plugin_diskstats.c          plugin_dvb.c                plugin_exec.c               plugin_i2c_sensors.c        plugin_imon.c               plugin_isdn.c               plugin_loadavg.c            plugin_meminfo.c            plugin_mysql.c              plugin_netdev.c             plugin_pop3.c               plugin_ppp.c                plugin_proc_stat.c          plugin_python.c             plugin_sample.c             plugin_seti.c               plugin_statfs.c             plugin_uname.c              plugin_uptime.c             plugin_wireless.c           plugin_xmms.c
 
 
 EXTRA_DIST =  lcd4linux.conf.sample       lcd4kde.conf                lcd4linux.kdelnk            lcd4linux.xpm               lcd4linux.lsm               curses.m4                   AUTHORS                     CREDITS                     FAQ                         NEWS                        TODO                        README                      README.Drivers              README.Plugins              README.KDE                  plugin_sample.c
@@ -147,24 +147,25 @@ DEP_FILES =  .deps/cfg.P .deps/debug.P .deps/drv.P .deps/drv_BWCT.P \
 .deps/drv_LCDLinux.P .deps/drv_LCDTerm.P .deps/drv_LPH7508.P \
 .deps/drv_M50530.P .deps/drv_MatrixOrbital.P \
 .deps/drv_MilfordInstruments.P .deps/drv_NULL.P .deps/drv_Noritake.P \
-.deps/drv_RouterBoard.P .deps/drv_SimpleLCD.P .deps/drv_T6963.P \
-.deps/drv_Trefon.P .deps/drv_USBLCD.P .deps/drv_WincorNixdorf.P \
-.deps/drv_X11.P .deps/drv_generic_graphic.P .deps/drv_generic_i2c.P \
-.deps/drv_generic_parport.P .deps/drv_generic_serial.P \
-.deps/drv_generic_text.P .deps/drv_serdisplib.P .deps/evaluator.P \
-.deps/hash.P .deps/layout.P .deps/lcd4linux.P .deps/pid.P \
-.deps/plugin.P .deps/plugin_apm.P .deps/plugin_cfg.P \
-.deps/plugin_cpuinfo.P .deps/plugin_diskstats.P .deps/plugin_dvb.P \
-.deps/plugin_exec.P .deps/plugin_i2c_sensors.P .deps/plugin_imon.P \
-.deps/plugin_isdn.P .deps/plugin_loadavg.P .deps/plugin_math.P \
-.deps/plugin_meminfo.P .deps/plugin_mysql.P .deps/plugin_netdev.P \
-.deps/plugin_pop3.P .deps/plugin_ppp.P .deps/plugin_proc_stat.P \
-.deps/plugin_python.P .deps/plugin_sample.P .deps/plugin_seti.P \
-.deps/plugin_statfs.P .deps/plugin_string.P .deps/plugin_test.P \
-.deps/plugin_time.P .deps/plugin_uname.P .deps/plugin_uptime.P \
-.deps/plugin_wireless.P .deps/plugin_xmms.P .deps/qprintf.P \
-.deps/thread.P .deps/timer.P .deps/udelay.P .deps/widget.P \
-.deps/widget_bar.P .deps/widget_icon.P .deps/widget_text.P
+.deps/drv_RouterBoard.P .deps/drv_Sample.P .deps/drv_SimpleLCD.P \
+.deps/drv_T6963.P .deps/drv_Trefon.P .deps/drv_USBLCD.P \
+.deps/drv_WincorNixdorf.P .deps/drv_X11.P .deps/drv_generic_graphic.P \
+.deps/drv_generic_i2c.P .deps/drv_generic_parport.P \
+.deps/drv_generic_serial.P .deps/drv_generic_text.P \
+.deps/drv_serdisplib.P .deps/evaluator.P .deps/hash.P .deps/layout.P \
+.deps/lcd4linux.P .deps/pid.P .deps/plugin.P .deps/plugin_apm.P \
+.deps/plugin_cfg.P .deps/plugin_cpuinfo.P .deps/plugin_diskstats.P \
+.deps/plugin_dvb.P .deps/plugin_exec.P .deps/plugin_i2c_sensors.P \
+.deps/plugin_imon.P .deps/plugin_isdn.P .deps/plugin_loadavg.P \
+.deps/plugin_math.P .deps/plugin_meminfo.P .deps/plugin_mysql.P \
+.deps/plugin_netdev.P .deps/plugin_pop3.P .deps/plugin_ppp.P \
+.deps/plugin_proc_stat.P .deps/plugin_python.P .deps/plugin_sample.P \
+.deps/plugin_seti.P .deps/plugin_statfs.P .deps/plugin_string.P \
+.deps/plugin_test.P .deps/plugin_time.P .deps/plugin_uname.P \
+.deps/plugin_uptime.P .deps/plugin_wireless.P .deps/plugin_xmms.P \
+.deps/qprintf.P .deps/thread.P .deps/timer.P .deps/udelay.P \
+.deps/widget.P .deps/widget_bar.P .deps/widget_icon.P \
+.deps/widget_text.P
 SOURCES = $(lcd4linux_SOURCES) $(EXTRA_lcd4linux_SOURCES)
 OBJECTS = $(lcd4linux_OBJECTS)
 
diff --git a/config.h.in b/config.h.in
index c268294..01204dc 100644
--- a/config.h.in
+++ b/config.h.in
@@ -395,6 +395,9 @@
 /* RouterBoard driver */
 #undef WITH_ROUTERBOARD
 
+/* Sample driver */
+#undef WITH_SAMPLE
+
 /* serdisplib driver */
 #undef WITH_SERDISPLIB
 
diff --git a/configure b/configure
index eca8f7a..af5c1ff 100755
--- a/configure
+++ b/configure
@@ -871,8 +871,8 @@ Optional Packages:
                           BeckmannEgle, BWCT, CrystalFontz, Curses, Cwlinux,
                           HD44780, LCDLinux, LCDTerm, LPH7508, M50530,
                           MatrixOrbital, MilfordInstruments, Noritake, NULL,
-                          PNG, PPM, RouterBoard, serdisplib, SimpleLCD, T6963,
-                          Trefon, USBLCD, WincorNixdorf, X11
+                          PNG, PPM, RouterBoard, Sample, serdisplib, SimpleLCD,
+                          T6963, Trefon, USBLCD, WincorNixdorf, X11
   --with-plugins=<list>   choose which plugins to compile.
                           type --with-plugins=list for a list
                           of avaible plugins
@@ -6048,6 +6048,7 @@ for driver in $drivers; do
          PNG="yes"
          PPM="yes"
 	 ROUTERBOARD="yes"
+         SAMPLE="yes"
 	 SERDISPLIB="yes"
          SIMPLELCD="yes"
          T6963="yes"
@@ -6107,6 +6108,9 @@ for driver in $drivers; do
       RouterBoard)
          ROUTERBOARD=$val
          ;;
+      Sample)
+         SAMPLE=$val
+         ;;
       serdisplib)
          SERDISPLIB=$val;
          ;;
@@ -6360,6 +6364,22 @@ _ACEOF
 
 fi
 
+if test "$SAMPLE" = "yes"; then
+   # select either text or graphics mode
+   TEXT="yes"
+   GRAPHIC="yes"
+   # select bus: serial (including USB), parallel or i2c
+   SERIAL="yes"
+   PARPORT="yes"
+   #I2C="yes"
+   DRIVERS="$DRIVERS drv_Sample.o"
+
+cat >>confdefs.h <<\_ACEOF
+#define WITH_SAMPLE 1
+_ACEOF
+
+fi
+
 if test "$SERDISPLIB" = "yes"; then
    if test "$has_serdisplib" = "true"; then
       GRAPHIC="yes"
diff --git a/drivers.m4 b/drivers.m4
index a5ec90e..4b7ed5b 100644
--- a/drivers.m4
+++ b/drivers.m4
@@ -31,8 +31,8 @@ AC_ARG_WITH(
   [                        BeckmannEgle, BWCT, CrystalFontz, Curses, Cwlinux,]
   [                        HD44780, LCDLinux, LCDTerm, LPH7508, M50530,]
   [                        MatrixOrbital, MilfordInstruments, Noritake, NULL,]
-  [                        PNG, PPM, RouterBoard, serdisplib, SimpleLCD, T6963,]
-  [                        Trefon, USBLCD, WincorNixdorf, X11],
+  [                        PNG, PPM, RouterBoard, Sample, serdisplib, SimpleLCD,]
+  [                        T6963, Trefon, USBLCD, WincorNixdorf, X11],
   drivers=$withval, 
   drivers=all
 )
@@ -70,6 +70,7 @@ for driver in $drivers; do
          PNG="yes"
          PPM="yes"
 	 ROUTERBOARD="yes"
+         SAMPLE="yes"
 	 SERDISPLIB="yes"
          SIMPLELCD="yes"
          T6963="yes"
@@ -129,6 +130,9 @@ for driver in $drivers; do
       RouterBoard)
          ROUTERBOARD=$val
          ;;
+      Sample)
+         SAMPLE=$val
+         ;;
       serdisplib)
          SERDISPLIB=$val;
          ;;
@@ -307,6 +311,18 @@ if test "$ROUTERBOARD" = "yes"; then
    AC_DEFINE(WITH_ROUTERBOARD,1,[RouterBoard driver])
 fi
 
+if test "$SAMPLE" = "yes"; then
+   # select either text or graphics mode
+   TEXT="yes"
+   GRAPHIC="yes"
+   # select bus: serial (including USB), parallel or i2c
+   SERIAL="yes"
+   PARPORT="yes"
+   #I2C="yes"
+   DRIVERS="$DRIVERS drv_Sample.o"
+   AC_DEFINE(WITH_SAMPLE,1,[Sample driver])
+fi
+
 if test "$SERDISPLIB" = "yes"; then
    if test "$has_serdisplib" = "true"; then
       GRAPHIC="yes"
diff --git a/drv.c b/drv.c
index b461f9e..3e78131 100644
--- a/drv.c
+++ b/drv.c
@@ -1,4 +1,4 @@
-/* $Id: drv.c,v 1.34 2005/11/04 04:44:52 reinelt Exp $
+/* $Id: drv.c,v 1.35 2005/11/04 14:10:38 reinelt Exp $
  *
  * new framework for display drivers
  *
@@ -23,6 +23,9 @@
  *
  *
  * $Log: drv.c,v $
+ * Revision 1.35  2005/11/04 14:10:38  reinelt
+ * drv_Sample and drv_LPH7508
+ *
  * Revision 1.34  2005/11/04 04:44:52  reinelt
  * LPH7508 driver (not yet finished)
  *
@@ -220,6 +223,7 @@ extern DRIVER drv_MilfordInstruments;
 extern DRIVER drv_Noritake;
 extern DRIVER drv_NULL;
 extern DRIVER drv_RouterBoard;
+extern DRIVER drv_Sample;
 extern DRIVER drv_serdisplib;
 extern DRIVER drv_SimpleLCD;
 extern DRIVER drv_T6963;
@@ -283,6 +287,9 @@ DRIVER *Driver[] = {
 #ifdef WITH_ROUTERBOARD
     &drv_RouterBoard,
 #endif
+#ifdef WITH_Sample
+    &drv_Sample,
+#endif
 #ifdef WITH_SERDISPLIB
     &drv_serdisplib,
 #endif
diff --git a/drv_LPH7508.c b/drv_LPH7508.c
new file mode 100644
index 0000000..3e7aec2
--- /dev/null
+++ b/drv_LPH7508.c
@@ -0,0 +1,362 @@
+/* $Id: drv_LPH7508.c,v 1.1 2005/11/04 14:10:38 reinelt Exp $
+ *
+ * driver for Pollin LPH7508
+ *
+ * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
+ * Copyright (C) 2005 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.
+ *
+ *
+ * $Log: drv_LPH7508.c,v $
+ * Revision 1.1  2005/11/04 14:10:38  reinelt
+ * drv_Sample and drv_LPH7508
+ *
+ */
+
+/* 
+ *
+ * exported fuctions:
+ *
+ * struct DRIVER drv_LPH7508
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <sys/time.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "qprintf.h"
+#include "udelay.h"
+#include "plugin.h"
+#include "widget.h"
+#include "widget_text.h"
+#include "widget_icon.h"
+#include "widget_bar.h"
+#include "drv.h"
+#include "drv_generic_graphic.h"
+#include "drv_generic_parport.h"
+
+#ifdef WITH_DMALLOC
+#include <dmalloc.h>
+#endif
+
+static char Name[] = "LPH7508";
+
+
+static unsigned char SIGNAL_RES;
+static unsigned char SIGNAL_CS1;
+static unsigned char SIGNAL_RW;
+static unsigned char SIGNAL_A0;
+
+static int PAGES, SROWS, SCOLS;
+
+unsigned char *Buffer1, *Buffer2;
+
+
+/****************************************/
+/***  hardware dependant functions    ***/
+/****************************************/
+
+static void drv_L7_write_ctrl(const unsigned char data)
+{
+    /* Fixme: busy-check??? */
+
+    /* put data on DB1..DB8 */
+    drv_generic_parport_data(data);
+
+    /* CS1 = high, RW = low, A0 = low */
+    drv_generic_parport_control(SIGNAL_CS1 | SIGNAL_RW | SIGNAL_A0, SIGNAL_CS1);
+
+    /* Fixme: setup time? */
+    ndelay(100);
+
+    /* Fixme: toggle time? */
+    drv_generic_parport_toggle(SIGNAL_CS1, 0, 100);
+
+    ndelay(100);		// Fixme
+}
+
+
+static void drv_L7_write_data(const unsigned char data)
+{
+    /* Fixme: busy-check??? */
+
+    /* put data on DB1..DB8 */
+    drv_generic_parport_data(data);
+
+    /* CS1 = high, RW = low, A0 = high */
+    drv_generic_parport_control(SIGNAL_CS1 | SIGNAL_RW | SIGNAL_A0, SIGNAL_CS1 | SIGNAL_A0);
+
+    /* Fixme: setup time? */
+    ndelay(100);
+
+    /* Fixme: toggle time? */
+    drv_generic_parport_toggle(SIGNAL_CS1, 0, 100);
+
+    ndelay(100);		// Fixme
+}
+
+
+static void drv_L7_blit(const int row, const int col, const int height, const int width)
+{
+    int r, c;
+
+    /* transfer layout to display framebuffer */
+    for (r = row; r < row + height; r++) {
+	if (r >= SROWS)
+	    break;
+	int p = r / 8;		/* page */
+	for (c = col; c < col + width; c++) {
+	    if (c >= SCOLS)
+		break;
+	    int a = p * SCOLS + c;	/* RAM address */
+	    unsigned char m = 1 << (r % 8);	/* bit mask */
+	    if (drv_generic_graphic_FB[r * LCOLS + c]) {
+		/* set bit */
+		Buffer1[a] |= m;
+	    } else {
+		/* clear bit */
+		Buffer1[a] &= ~m;
+	    }
+	}
+    }
+
+    /* process display framebuffer */
+
+}
+
+
+static int drv_L7_start(const char *section)
+{
+    char *s;
+
+    /* fixed size */
+    DROWS = 64;
+    DCOLS = 100;
+
+    /* SED1560 display RAM layout */
+    PAGES = 8;
+    SROWS = PAGES * 8;
+    SCOLS = 166;
+
+    s = cfg_get(section, "Font", "6x8");
+    if (s == NULL || *s == '\0') {
+	error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
+	return -1;
+    }
+
+    XRES = -1;
+    YRES = -1;
+    if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
+	error("%s: bad Font '%s' from %s", Name, s, cfg_source());
+	return -1;
+    }
+
+    /* Fixme: provider other fonts someday... */
+    if (XRES != 6 && YRES != 8) {
+	error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
+	return -1;
+    }
+
+    /* provide room for page 8 (symbols) */
+    Buffer1 = malloc((PAGES + 1) * SCOLS);
+    if (Buffer1 == NULL) {
+	error("%s: framebuffer #1 could not be allocated: malloc() failed", Name);
+	return -1;
+    }
+
+    Buffer2 = malloc((PAGES + 1) * SCOLS);
+    if (Buffer2 == NULL) {
+	error("%s: framebuffer #2 could not be allocated: malloc() failed", Name);
+	return -1;
+    }
+
+    memset(Buffer1, 0, (PAGES + 1) * SCOLS * sizeof(*Buffer1));
+    memset(Buffer2, 0, (PAGES + 1) * SCOLS * sizeof(*Buffer2));
+
+    if (drv_generic_parport_open(section, Name) != 0) {
+	error("%s: could not initialize parallel port!", Name);
+	return -1;
+    }
+
+    if ((SIGNAL_RES = drv_generic_parport_hardwire_ctrl("RES", "INIT")) == 0xff)
+	return -1;
+    if ((SIGNAL_CS1 = drv_generic_parport_hardwire_ctrl("CS1", "STROBE")) == 0xff)
+	return -1;
+    if ((SIGNAL_RW = drv_generic_parport_hardwire_ctrl("RW", "SLCTIN")) == 0xff)
+	return -1;
+    if ((SIGNAL_A0 = drv_generic_parport_hardwire_ctrl("A0", "AUTOFD")) == 0xff)
+	return -1;
+
+    /* rise RES, CS1, RW and A0 */
+    drv_generic_parport_control(SIGNAL_RES | SIGNAL_CS1 | SIGNAL_RW | SIGNAL_A0, SIGNAL_RES | SIGNAL_CS1 | SIGNAL_RW | SIGNAL_A0);
+
+    /* set direction: write */
+    drv_generic_parport_direction(0);
+
+
+    /* reset display: lower RESET for 1 usec */
+    drv_generic_parport_control(SIGNAL_RES, 0);
+    udelay(1);
+    drv_generic_parport_control(SIGNAL_RES, SIGNAL_RES);
+    udelay(1);
+
+    /* just to make sure: send a software reset */
+    drv_L7_write_ctrl(0xe2);
+
+    /* initialize display */
+    drv_L7_write_ctrl(0x40);	/* Start Display Line = 0 */
+    drv_L7_write_ctrl(0x20);	/* reverse line driving release */
+    drv_L7_write_ctrl(0xCC);	/* OutputStatus = $0C, 102x64 */
+    drv_L7_write_ctrl(0xA0);	/* ADC = normal */
+    drv_L7_write_ctrl(0xA9);	/* LCD-Duty = 1/64 */
+    drv_L7_write_ctrl(0xAB);	/* LCD-Duty +1 (1/65, symbols) */
+    drv_L7_write_ctrl(0x25);	/* power supply on */
+    udelay(100);
+    drv_L7_write_ctrl(0xED);	/* power supply on completion */
+
+    /* clear display */
+    /* Fixme drv_L7_clear(); */
+
+    return 0;
+}
+
+
+/****************************************/
+/***            plugins               ***/
+/****************************************/
+
+/* none at the moment... */
+
+
+/****************************************/
+/***        widget callbacks          ***/
+/****************************************/
+
+
+/* using drv_generic_graphic_draw(W) */
+/* using drv_generic_graphic_icon_draw(W) */
+/* using drv_generic_graphic_bar_draw(W) */
+
+
+/****************************************/
+/***        exported functions        ***/
+/****************************************/
+
+
+/* list models */
+int drv_L7_list(void)
+{
+    printf("LPH7508");
+    return 0;
+}
+
+
+/* initialize driver & display */
+int drv_L7_init(const char *section, const int quiet)
+{
+    WIDGET_CLASS wc;
+    int ret;
+
+    /* real worker functions */
+    drv_generic_graphic_real_blit = drv_L7_blit;
+
+    /* start display */
+    if ((ret = drv_L7_start(section)) != 0)
+	return ret;
+
+    /* initialize generic graphic driver */
+    if ((ret = drv_generic_graphic_init(section, Name)) != 0)
+	return ret;
+
+    if (!quiet) {
+	char buffer[40];
+	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
+	if (drv_generic_graphic_greet(buffer, NULL)) {
+	    sleep(3);
+	    drv_generic_graphic_clear();
+	}
+    }
+
+    /* register text widget */
+    wc = Widget_Text;
+    wc.draw = drv_generic_graphic_draw;
+    widget_register(&wc);
+
+    /* register icon widget */
+    wc = Widget_Icon;
+    wc.draw = drv_generic_graphic_icon_draw;
+    widget_register(&wc);
+
+    /* register bar widget */
+    wc = Widget_Bar;
+    wc.draw = drv_generic_graphic_bar_draw;
+    widget_register(&wc);
+
+    /* register plugins */
+    /* none at the moment... */
+
+
+    return 0;
+}
+
+
+/* close driver & display */
+int drv_L7_quit(const int quiet)
+{
+
+    info("%s: shutting down.", Name);
+
+    drv_generic_graphic_clear();
+
+    if (!quiet) {
+	drv_generic_graphic_greet("goodbye!", NULL);
+    }
+
+    drv_generic_graphic_quit();
+    drv_generic_parport_close();
+
+    if (Buffer1) {
+	free(Buffer1);
+	Buffer1 = NULL;
+    }
+
+    if (Buffer2) {
+	free(Buffer2);
+	Buffer2 = NULL;
+    }
+
+    return (0);
+}
+
+
+DRIVER drv_LPH7508 = {
+  name:Name,
+  list:drv_L7_list,
+  init:drv_L7_init,
+  quit:drv_L7_quit,
+};
diff --git a/drv_Sample.c b/drv_Sample.c
new file mode 100644
index 0000000..6ed5490
--- /dev/null
+++ b/drv_Sample.c
@@ -0,0 +1,578 @@
+/* $Id: drv_Sample.c,v 1.1 2005/11/04 14:10:38 reinelt Exp $
+ *
+ * sample lcd4linux driver
+ *
+ * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at>
+ * Copyright (C) 2005 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.
+ *
+ *
+ * $Log: drv_Sample.c,v $
+ * Revision 1.1  2005/11/04 14:10:38  reinelt
+ * drv_Sample and drv_LPH7508
+ *
+ */
+
+/* 
+ *
+ * exported fuctions:
+ *
+ * struct DRIVER drv_Sample
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <usb.h>
+
+#include "debug.h"
+#include "cfg.h"
+#include "qprintf.h"
+#include "udelay.h"
+#include "plugin.h"
+#include "widget.h"
+#include "widget_text.h"
+#include "widget_icon.h"
+#include "widget_bar.h"
+#include "drv.h"
+
+/* text mode display? */
+#include "drv_generic_text.h"
+
+/* graphic display? */
+#include "drv_generic_graphic.h"
+
+/* serial port? */
+#include "drv_generic_serial.h"
+
+/* parallel port? */
+#include "drv_generic_parport.h"
+
+/* i2c bus? */
+#ifdef WITH_I2C
+#include "drv_generic_i2c.h"
+#endif
+
+
+static char Name[] = "Sample";
+
+
+/* for parallel port displays only */
+/* use whatever lines you need */
+static unsigned char SIGNAL_RS;
+static unsigned char SIGNAL_EX;
+
+
+
+/****************************************/
+/***  hardware dependant functions    ***/
+/****************************************/
+
+/* low-level parallel port stuff */
+/* example for sending one byte over the wire */
+static void drv_Sample_bang(const unsigned int data)
+{
+    /* put data on DB1..DB8 */
+    drv_generic_parport_data(data & 0xff);
+    
+    /* set/clear some signals */
+    drv_generic_parport_control(SIGNAL_RS, SIGNAL_RS);
+    
+    /* data setup time (e.g. 200 ns) */
+    ndelay(200);
+    
+    /* send byte */
+    /* signal pulse width 500ns */
+    drv_generic_parport_toggle(SIGNAL_EX, 1, 500);
+    
+    /* wait for command completion (e.g. 100 us) */
+    udelay(100);
+}
+
+
+static int drv_Sample_open(const char *section)
+{
+    /* open serial port */
+    /* don't mind about device, speed and stuff, this function will take care of */
+
+    if (drv_generic_serial_open(section, Name, 0) < 0)
+	return -1;
+
+
+    /* opening the parallel port is a bit more tricky: */
+    /* you have to do all the bit-banging yourself... */
+
+    if (drv_generic_parport_open(section, Name) != 0) {
+	error("%s: could not initialize parallel port!", Name);
+	return -1;
+    }
+
+    /* read the wiring from config */
+    if ((SIGNAL_EX = drv_generic_parport_wire_ctrl("EX", "STROBE")) == 0xff)
+	return -1;
+    if ((SIGNAL_RS = drv_generic_parport_wire_ctrl("RS", "INIT")) == 0xff)
+	return -1;
+
+    /* clear all signals */
+    drv_generic_parport_control(SIGNAL_EX | SIGNAL_RS, 0);
+
+    /* set direction: write */
+    drv_generic_parport_direction(0);
+
+    return 0;
+}
+
+
+static int drv_Sample_close(void)
+{
+    /* close whatever port you've opened */
+    drv_generic_parport_close();
+    drv_generic_serial_close();
+
+    return 0;
+}
+
+
+/* dummy function that sends something to the display */
+static void drv_Sample_send(const char *data, const unsigned int len)
+{
+    unsigned int i;
+    
+    /* send data to the serial port is easy... */
+    drv_generic_serial_write(data, len);
+
+    /* sending data to the parallel port is a bit more tricky... */
+    for (i = 0; i < len; i++) {
+	drv_Sample_bang (*data++);
+    }
+}
+
+
+/* text mode displays only */
+static void drv_Sample_clear(void)
+{
+    char cmd[1];
+
+    /* do whatever is necessary to clear the display */
+    /* assume 0x01 to be a 'clear display' command */
+    cmd[0] = 0x01;
+    drv_Sample_send(cmd, 1);
+}
+
+
+/* text mode displays only */
+static void drv_Sample_write(const int row, const int col, const char *data, int len)
+{
+    char cmd[3];
+
+    /* do the cursor positioning here */
+    /* assume 0x02 to be a 'Goto' command */
+    cmd[0] = 0x02;
+    cmd[1] = row;
+    cmd[2] = col;
+    drv_Sample_send(cmd, 3);
+
+    /* send string to the display */
+    drv_Sample_send(data, len);
+
+}
+
+/* text mode displays only */
+static void drv_Sample_defchar(const int ascii, const unsigned char *matrix)
+{
+    char cmd[10];
+    int i;
+
+    /* call the 'define character' function */
+    /* assume 0x03 to be the 'defchar' command */
+    cmd[0] = 0x03;
+    cmd[1] = ascii;
+
+    /* send bitmap to the display */
+    for (i = 0; i < 8; i++) {
+	cmd[i + 2] = *matrix++;
+    }
+    drv_Sample_send(cmd, 10);
+}
+
+
+/* for graphic displays only */
+static void drv_Sample_blit(const int row, const int col, const int height, const int width)
+{
+    int r, c;
+
+    for (r = row; r < row + height; r++) {
+	for (c = col; c < col + width; c++) {
+	    if (drv_generic_graphic_FB[r * LCOLS + c]) {
+		/* set bit */
+	    } else {
+		/* clear bit */
+	    }
+	}
+    }
+}
+
+
+/* example function used in a plugin */
+static int drv_Sample_contrast(int contrast)
+{
+    char cmd[2];
+
+    /* adjust limits according to the display */
+    if (contrast < 0)
+	contrast = 0;
+    if (contrast > 255)
+	contrast = 255;
+
+    /* call a 'contrast' function */
+    /* assume 0x04 to be the 'set contrast' command */
+    cmd[0] = 0x04;
+    cmd[1] = contrast;
+    drv_Sample_send(cmd, 2);
+
+    return contrast;
+}
+
+
+/* start text mode display */
+static int drv_Sample_start(const char *section)
+{
+    int contrast;
+    int rows = -1, cols = -1;
+    char *s;
+    char cmd[1];
+
+    s = cfg_get(section, "Size", NULL);
+    if (s == NULL || *s == '\0') {
+	error("%s: no '%s.Size' entry from %s", Name, section, cfg_source());
+	return -1;
+    }
+    if (sscanf(s, "%dx%d", &cols, &rows) != 2 || rows < 1 || cols < 1) {
+	error("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source());
+	free(s);
+	return -1;
+    }
+
+    DROWS = rows;
+    DCOLS = cols;
+
+    /* open communication with the display */
+    if (drv_Sample_open(section) < 0) {
+	return -1;
+    }
+
+    /* reset & initialize display */
+    /* assume 0x00 to be a 'reset' command */
+    cmd[0] = 0x00;
+    drv_Sample_send(cmd, 0);
+
+    if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) {
+	drv_Sample_contrast(contrast);
+    }
+
+    drv_Sample_clear();		/* clear display */
+
+    return 0;
+}
+
+
+/* start graphic display */
+static int drv_Sample_start2(const char *section)
+{
+    char *s;
+    char cmd[1];
+    int contrast;
+
+    /* read display size from config */
+    s = cfg_get(section, "Size", NULL);
+    if (s == NULL || *s == '\0') {
+	error("%s: no '%s.Size' entry from %s", Name, section, cfg_source());
+	return -1;
+    }
+
+    DROWS = -1;
+    DCOLS = -1;
+    if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DCOLS < 1 || DROWS < 1) {
+	error("%s: bad Size '%s' from %s", Name, s, cfg_source());
+	return -1;
+    }
+
+    s = cfg_get(section, "Font", "6x8");
+    if (s == NULL || *s == '\0') {
+	error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
+	return -1;
+    }
+
+    XRES = -1;
+    YRES = -1;
+    if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) {
+	error("%s: bad Font '%s' from %s", Name, s, cfg_source());
+	return -1;
+    }
+
+    /* Fixme: provider other fonts someday... */
+    if (XRES != 6 && YRES != 8) {
+	error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source());
+	return -1;
+    }
+
+    /* you surely want to allocate a framebuffer or something... */
+
+    /* open communication with the display */
+    if (drv_Sample_open(section) < 0) {
+	return -1;
+    }
+
+    /* reset & initialize display */
+    /* assume 0x00 to be a 'reset' command */
+    cmd[0] = 0x00;
+    drv_Sample_send(cmd, 1);
+
+    if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) {
+	drv_Sample_contrast(contrast);
+    }
+
+    return 0;
+}
+
+
+/****************************************/
+/***            plugins               ***/
+/****************************************/
+
+static void plugin_contrast(RESULT * result, RESULT * arg1)
+{
+    double contrast;
+
+    contrast = drv_Sample_contrast(R2N(arg1));
+    SetResult(&result, R_NUMBER, &contrast);
+}
+
+
+/****************************************/
+/***        widget callbacks          ***/
+/****************************************/
+
+
+/* using drv_generic_text_draw(W) */
+/* using drv_generic_text_icon_draw(W) */
+/* using drv_generic_text_bar_draw(W) */
+
+
+/****************************************/
+/***        exported functions        ***/
+/****************************************/
+
+
+/* list models */
+int drv_Sample_list(void)
+{
+    printf("generic");
+    return 0;
+}
+
+
+/* initialize driver & display */
+/* use this function for a text display */
+int drv_Sample_init(const char *section, const int quiet)
+{
+    WIDGET_CLASS wc;
+    int ret;
+
+    /* display preferences */
+    XRES = 5;			/* pixel width of one char  */
+    YRES = 8;			/* pixel height of one char  */
+    CHARS = 8;			/* number of user-defineable characters */
+    CHAR0 = 0;			/* ASCII of first user-defineable char */
+    GOTO_COST = 2;		/* number of bytes a goto command requires */
+
+    /* real worker functions */
+    drv_generic_text_real_write = drv_Sample_write;
+    drv_generic_text_real_defchar = drv_Sample_defchar;
+
+
+    /* start display */
+    if ((ret = drv_Sample_start(section)) != 0)
+	return ret;
+
+    if (!quiet) {
+	char buffer[40];
+	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
+	if (drv_generic_text_greet(buffer, "www.bwct.de")) {
+	    sleep(3);
+	    drv_Sample_clear();
+	}
+    }
+
+    /* initialize generic text driver */
+    if ((ret = drv_generic_text_init(section, Name)) != 0)
+	return ret;
+
+    /* initialize generic icon driver */
+    if ((ret = drv_generic_text_icon_init()) != 0)
+	return ret;
+
+    /* initialize generic bar driver */
+    if ((ret = drv_generic_text_bar_init(0)) != 0)
+	return ret;
+
+    /* add fixed chars to the bar driver */
+    drv_generic_text_bar_add_segment(0, 0, 255, 32);	/* ASCII  32 = blank */
+
+
+    /* register text widget */
+    wc = Widget_Text;
+    wc.draw = drv_generic_text_draw;
+    widget_register(&wc);
+
+    /* register icon widget */
+    wc = Widget_Icon;
+    wc.draw = drv_generic_text_icon_draw;
+    widget_register(&wc);
+
+    /* register bar widget */
+    wc = Widget_Bar;
+    wc.draw = drv_generic_text_bar_draw;
+    widget_register(&wc);
+
+    /* register plugins */
+    AddFunction("LCD::contrast", 1, plugin_contrast);
+
+    return 0;
+}
+
+
+/* initialize driver & display */
+/* use this function for a graphic display */
+int drv_Sample_init2(const char *section, const int quiet)
+{
+    WIDGET_CLASS wc;
+    int ret;
+
+    /* real worker functions */
+    drv_generic_graphic_real_blit = drv_Sample_blit;
+
+    /* start display */
+    if ((ret = drv_Sample_start2(section)) != 0)
+	return ret;
+
+    /* initialize generic graphic driver */
+    if ((ret = drv_generic_graphic_init(section, Name)) != 0)
+	return ret;
+
+    if (!quiet) {
+	char buffer[40];
+	qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
+	if (drv_generic_graphic_greet(buffer, NULL)) {
+	    sleep(3);
+	    drv_generic_graphic_clear();
+	}
+    }
+
+    /* register text widget */
+    wc = Widget_Text;
+    wc.draw = drv_generic_graphic_draw;
+    widget_register(&wc);
+
+    /* register icon widget */
+    wc = Widget_Icon;
+    wc.draw = drv_generic_graphic_icon_draw;
+    widget_register(&wc);
+
+    /* register bar widget */
+    wc = Widget_Bar;
+    wc.draw = drv_generic_graphic_bar_draw;
+    widget_register(&wc);
+
+    /* register plugins */
+    AddFunction("LCD::contrast", 1, plugin_contrast);
+
+
+    return 0;
+}
+
+
+
+/* close driver & display */
+/* use this function for a text display */
+int drv_Sample_quit(const int quiet)
+{
+
+    info("%s: shutting down.", Name);
+
+    drv_generic_text_quit();
+
+    /* clear display */
+    drv_Sample_clear();
+
+    /* say goodbye... */
+    if (!quiet) {
+	drv_generic_text_greet("goodbye!", NULL);
+    }
+
+    debug("closing connection");
+    drv_Sample_close();
+
+    return (0);
+}
+
+/* close driver & display */
+/* use this function for a graphic display */
+int drv_Sample_quit2(const int quiet)
+{
+
+    info("%s: shutting down.", Name);
+
+    /* clear display */
+    drv_generic_graphic_clear();
+
+    /* say goodbye... */
+    if (!quiet) {
+	drv_generic_graphic_greet("goodbye!", NULL);
+    }
+
+    drv_generic_graphic_quit();
+
+    debug("closing connection");
+    drv_Sample_close();
+
+    return (0);
+}
+
+
+/* use this one for a text display */
+DRIVER drv_Sample = {
+  name:Name,
+  list:drv_Sample_list,
+  init:drv_Sample_init,
+  quit:drv_Sample_quit,
+};
+
+
+/* use this one for a graphic display */
+DRIVER drv_Sample2 = {
+  name:Name,
+  list:drv_Sample_list,
+  init:drv_Sample_init2,
+  quit:drv_Sample_quit2,
+};