driver for Futaba VFD by Marcus Menzel

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1176 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

9 files changed, 484 insertions, 4 deletions

diff --git a/Makefile.am b/Makefile.am
index 894fbd8..3e422af 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -81,6 +81,7 @@ drv_D4D.c                     \
 drv_dpf.c                     \
 drv_EA232graphic.c            \
 drv_EFN.c                     \
+drv_FutabaVFD.c               \
 drv_FW8888.c                  \
 drv_G15.c                     \
 drv_GLCD2USB.c glcd2usb.h     \
diff --git a/Makefile.in b/Makefile.in
index 95306f1..84602ee 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -317,6 +317,7 @@ drv_D4D.c                     \
 drv_dpf.c                     \
 drv_EA232graphic.c            \
 drv_EFN.c                     \
+drv_FutabaVFD.c               \
 drv_FW8888.c                  \
 drv_G15.c                     \
 drv_GLCD2USB.c glcd2usb.h     \
@@ -542,6 +543,7 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_EA232graphic.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_EFN.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_FW8888.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_FutabaVFD.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_G15.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_GLCD2USB.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/drv_HD44780.Po@am__quote@
diff --git a/config.h.in b/config.h.in
index 7fdebfc..a7ba52a 100644
--- a/config.h.in
+++ b/config.h.in
@@ -504,6 +504,9 @@
 /* Driver for EFN LED modules and EUG 100 ethernet to serial converter */
 #undef WITH_EFN
 
+/* FutabaVFD driver */
+#undef WITH_FUTABAVFD
+
 /* Allnet FW8888 driver */
 #undef WITH_FW8888
 
diff --git a/configure b/configure
index 1e1e1f6..a709b17 100755
--- a/configure
+++ b/configure
@@ -1443,7 +1443,7 @@ Optional Packages:
                           (try 'all,\!<driver>' if your shell complains...)
                           possible drivers are:
                           ASTUSB, BeckmannEgle, BWCT, CrystalFontz, Curses, Cwlinux, D4D, DPF
-                          EA232Graphic, EFN, FW8888, G15, GLCD2USB, HD44780, HD44780-I2C,
+                          EA232Graphic, EFN, FutabaVFD, FW8888, G15, GLCD2USB, HD44780, HD44780-I2C,
                           IRLCD, LCD2USB, LCDLinux, LEDMatrix, LCDTerm, LPH7508, LUIse,
                           LW_ABP, M50530, MatrixOrbital, MatrixOrbitalGX, MilfordInstruments, MDM166A,
                           Newhaven, Noritake, NULL, Pertelian, PHAnderson,
@@ -6282,6 +6282,7 @@ for driver in $drivers; do
          DPF="yes"
          EA232graphic="yes"
          EFN="yes"
+         FUTABAVFD="yes"
          FW8888="yes"
          G15="yes"
          GLCD2USB="yes"
@@ -6356,6 +6357,9 @@ for driver in $drivers; do
       EFN)
          EFN=$val
 	 ;;
+      FutabaVFD)
+         FUTABAVFD=$val
+         ;;
       FW8888)
          FW8888=$val
          ;;
@@ -6631,6 +6635,22 @@ $as_echo "#define WITH_EFN 1" >>confdefs.h
 
 fi
 
+if test "$FUTABAVFD" = "yes"; then
+   if test "$has_parport" = "true"; then
+      TEXT="yes"
+      # select bus: serial (including USB), parallel or i2c
+      PARPORT="yes"
+      DRIVERS="$DRIVERS drv_FutabaVFD.o"
+
+$as_echo "#define WITH_FUTABAVFD 1" >>confdefs.h
+
+   else
+      { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: asm/io.h or {linux/parport.h and linux/ppdev.h} not found: FutabaVFD driver disabled" >&5
+$as_echo "$as_me: WARNING: asm/io.h or {linux/parport.h and linux/ppdev.h} not found: FutabaVFD driver disabled" >&2;}
+   fi
+fi
+
+
 
 if test "$FW8888" = "yes"; then
    TEXT="yes"
@@ -7087,7 +7107,6 @@ fi
 
 if test "$TeakLCM" = "yes"; then
    TEXT="yes"
-   GPIO="no"
    SERIAL="yes"
    DRIVERS="$DRIVERS drv_TeakLCM.o"
 
diff --git a/drivers.m4 b/drivers.m4
index cb8de1d..a7ed545 100644
--- a/drivers.m4
+++ b/drivers.m4
@@ -33,7 +33,7 @@ AC_ARG_WITH(
   [                        (try 'all,\!<driver>' if your shell complains...)]
   [                        possible drivers are:]
   [                        ASTUSB, BeckmannEgle, BWCT, CrystalFontz, Curses, Cwlinux, D4D, DPF]
-  [                        EA232Graphic, EFN, FW8888, G15, GLCD2USB, HD44780, HD44780-I2C,]
+  [                        EA232Graphic, EFN, FutabaVFD, FW8888, G15, GLCD2USB, HD44780, HD44780-I2C,]
   [                        IRLCD, LCD2USB, LCDLinux, LEDMatrix, LCDTerm, LPH7508, LUIse,]
   [                        LW_ABP, M50530, MatrixOrbital, MatrixOrbitalGX, MilfordInstruments, MDM166A,]
   [                        Newhaven, Noritake, NULL, Pertelian, PHAnderson,]
@@ -70,6 +70,7 @@ for driver in $drivers; do
          DPF="yes"
          EA232graphic="yes"
          EFN="yes"
+         FUTABAVFD="yes"
          FW8888="yes"
          G15="yes"
          GLCD2USB="yes"
@@ -144,6 +145,9 @@ for driver in $drivers; do
       EFN)
          EFN=$val
 	 ;;
+      FutabaVFD)
+         FUTABAVFD=$val
+         ;;
       FW8888)
          FW8888=$val
          ;;
@@ -394,6 +398,19 @@ if test "$EFN" = "yes"; then
    AC_DEFINE(WITH_EFN,1,[Driver for EFN LED modules and EUG 100 ethernet to serial converter])
 fi
 
+if test "$FUTABAVFD" = "yes"; then
+   if test "$has_parport" = "true"; then
+      TEXT="yes"
+      # select bus: serial (including USB), parallel or i2c
+      PARPORT="yes"
+      DRIVERS="$DRIVERS drv_FutabaVFD.o"
+      AC_DEFINE(WITH_FUTABAVFD,1,[FutabaVFD driver])
+   else
+      AC_MSG_WARN(asm/io.h or {linux/parport.h and linux/ppdev.h} not found: FutabaVFD driver disabled)
+   fi
+fi
+
+
 
 if test "$FW8888" = "yes"; then
    TEXT="yes"
diff --git a/drv.c b/drv.c
index 9ce8a39..b5feeff 100644
--- a/drv.c
+++ b/drv.c
@@ -57,6 +57,7 @@ extern DRIVER drv_D4D;
 extern DRIVER drv_DPF;
 extern DRIVER drv_EA232graphic;
 extern DRIVER drv_EFN;
+extern DRIVER drv_FutabaVFD;
 extern DRIVER drv_FW8888;
 extern DRIVER drv_G15;
 extern DRIVER drv_GLCD2USB;
@@ -138,6 +139,9 @@ DRIVER *Driver[] = {
 #ifdef WITH_EFN
     &drv_EFN,
 #endif
+#ifdef WITH_FUTABAVFD
+    &drv_FutabaVFD,
+#endif
 #ifdef WITH_FW8888
     &drv_FW8888,
 #endif
diff --git a/drv_FutabaVFD.c b/drv_FutabaVFD.c
new file mode 100644
index 0000000..7975845
--- /dev/null
+++ b/drv_FutabaVFD.c
@@ -0,0 +1,418 @@
+/* $Id: drv_FutabaVFD.c -1   $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_FutabaVFD.c $
+ *
+ * A driver to run Futaba VFD M402SD06GL with LCD4Linux on parallel port
+ *
+ * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ * Copyright (C) 2012 Marcus Menzel <codingmax@gmx-topmail.de>
+ *
+ * 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:
+ *
+ * struct DRIVER drv_FutabaVFD
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.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_text.h"
+#include "drv_generic_parport.h"
+
+
+static char Name[] = "FutabaVFD";
+
+static unsigned char SIGNAL_WR;
+static unsigned char SIGNAL_SELECT;
+static unsigned char SIGNAL_TEST;
+static unsigned char SIGNAL_BUSY;
+
+static unsigned char dim;	/* brightness 0..3 */
+static unsigned char curPos;	/* cursor position */
+static unsigned char curOn;	/* cursor on */
+
+static unsigned char BUSY_SHIFT;
+static unsigned char BUSY_VALUE;
+
+
+/****************************************/
+/***  hardware dependant functions    ***/
+/****************************************/
+
+
+/* example for sending one byte over the wire */
+static void drv_FutabaVFD_writeChar(const unsigned char c)
+{
+
+    int i;
+    unsigned char status;
+
+    drv_generic_parport_data(c);
+    drv_generic_parport_control(SIGNAL_WR | SIGNAL_SELECT, 0);
+    ndelay(60);
+    drv_generic_parport_control(SIGNAL_WR, 0xFF);
+
+    /*wait <=60ns till busy */
+    for (i = 0; i < 60; i++) {
+	status = drv_generic_parport_status();
+	if (((status >> BUSY_SHIFT) & 1) == BUSY_VALUE)
+	    break;
+	ndelay(1);
+    }
+    ndelay(60 - i);
+    drv_generic_parport_control(SIGNAL_SELECT, 0xFF);
+
+    /*wait max 0.1s till not busy */
+    for (i = 0; i < 100000000; i++) {
+	status = drv_generic_parport_status();
+	if (((status >> BUSY_SHIFT) & 1) != BUSY_VALUE)
+	    break;
+	ndelay(1);
+    }
+    ndelay(210);
+}
+
+
+
+static void drv_FutabaVFD_showCursor(int b)
+{
+    drv_FutabaVFD_writeChar((b) ? 0x13 : 0x14);	/* b==0: cursor off */
+}
+
+static void drv_FutabaVFD_clear()
+{
+    drv_FutabaVFD_writeChar(0x1F);	/*reset */
+    drv_FutabaVFD_writeChar(0x11);	/*DC1 - normal display */
+    drv_FutabaVFD_showCursor(0);
+}
+
+
+static int drv_FutabaVFD_open(const char *section)
+{
+
+    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_WR = drv_generic_parport_wire_ctrl("WR", "STROBE")) == 0xFF)
+	return -1;
+    if ((SIGNAL_SELECT = drv_generic_parport_wire_ctrl("SEL", "SLCTIN")) == 0xFF)
+	return -1;
+    if ((SIGNAL_TEST = drv_generic_parport_wire_ctrl("TEST", "AUTOFD")) == 0xFF)
+	return -1;
+    if ((SIGNAL_BUSY = drv_generic_parport_wire_status("BUSY", "BUSY")) == 0xFF)
+	return -1;
+
+    BUSY_SHIFT = 0;
+    BUSY_VALUE = SIGNAL_BUSY;
+    while (BUSY_VALUE > 1) {
+	BUSY_VALUE >>= 1;
+	BUSY_SHIFT++;
+    }
+    BUSY_VALUE = (SIGNAL_BUSY == 0x80) ? 0 : 1;	/* portpin 11 inverted */
+
+    /* set all signals to high */
+    drv_generic_parport_control(SIGNAL_WR | SIGNAL_SELECT | SIGNAL_TEST, 0xFF);
+
+    /* set direction: write */
+    drv_generic_parport_direction(0);
+
+    return 0;
+}
+
+
+static int drv_FutabaVFD_close(void)
+{
+    drv_generic_parport_close();
+    return 0;
+}
+
+static void drv_FutabaVFD_send(const char *data, const unsigned int len)
+{
+    unsigned int i;
+    for (i = 0; i < len; i++)
+	drv_FutabaVFD_writeChar(*data++);
+}
+
+
+static void drv_FutabaVFD_goto(unsigned char pos)
+{
+    curPos = pos;
+    drv_FutabaVFD_writeChar(0x10);
+    drv_FutabaVFD_writeChar(curPos);
+}
+
+
+static void drv_FutabaVFD_write(const int row, const int col, const char *data, int len)
+{
+    unsigned char oldPos = curPos;
+    if (curOn)
+	drv_FutabaVFD_showCursor(0);
+    drv_FutabaVFD_goto(row * DCOLS + col);
+    drv_FutabaVFD_send(data, len);
+    drv_FutabaVFD_goto(oldPos);
+    if (curOn)
+	drv_FutabaVFD_showCursor(1);
+}
+
+static void drv_FutabaVFD_defchar(const int ascii, const unsigned char *matrix)
+{
+    return;			// no defchars
+}
+
+
+static void drv_FutabaVFD_brightness(int brightness)
+{
+
+    if (brightness < 0)
+	dim = 0;
+    else if (brightness > 3)
+	dim = 3;
+    else
+	dim = brightness;
+
+    drv_FutabaVFD_writeChar(0x04);
+    drv_FutabaVFD_writeChar((dim < 3) ? (1 + dim) * 0x20 : 0xFF);
+}
+
+
+static void drv_FutabaVFD_test(int test)
+{
+    drv_generic_parport_control(SIGNAL_TEST, (test) ? 0 : 0xFF);
+}
+
+
+
+/* start text mode display */
+static int drv_FutabaVFD_start(const char *section)
+{
+
+    int brightness;
+    int rows = -1, cols = -1;
+    char *s;
+
+
+    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_FutabaVFD_open(section) < 0)
+	return -1;
+
+
+    if (cfg_number(section, "Brightness", 0, 0, 255, &brightness) > 0)
+	drv_FutabaVFD_brightness(brightness);
+
+
+    drv_FutabaVFD_clear();	/* clear display */
+
+    return 0;
+}
+
+
+
+/****************************************/
+/***            plugins               ***/
+/****************************************/
+
+static void plugin_brightness(RESULT * result, const int argc, RESULT * argv[])
+{
+
+    double d = dim;
+
+    switch (argc) {
+    case 0:
+	SetResult(&result, R_NUMBER, &d);
+	break;
+    case 1:
+	drv_FutabaVFD_brightness(R2N(argv[0]));
+	d = dim;
+	SetResult(&result, R_NUMBER, &d);
+	break;
+    default:
+	error("%s::brightness(): wrong number of parameters", Name);
+	SetResult(&result, R_STRING, "");
+    }
+}
+
+
+
+/****************************************/
+/***        widget callbacks          ***/
+/****************************************/
+
+
+/* using drv_generic_text_draw(W) */
+/* using drv_generic_text_icon_draw(W) */
+/* using drv_generic_text_bar_draw(W) */
+/* using drv_generic_gpio_draw(W) */
+
+
+/****************************************/
+/***        exported functions        ***/
+/****************************************/
+
+
+/* list models */
+int drv_FutabaVFD_list(void)
+{
+    printf("Futaba VFD M402SD06GL");
+    return 0;
+}
+
+
+/* initialize driver & display */
+/* use this function for a text display */
+int drv_FutabaVFD_init(const char *section, const int quiet)
+{
+    WIDGET_CLASS wc;
+    int ret;
+
+
+    info("%s: %s", Name, "$Rev: 0.0.1 $");
+
+
+    XRES = 5;			/* pixel width of one char  */
+    YRES = 7;			/* pixel height of one char  */
+    GOTO_COST = 2;		/* number of bytes a goto command requires */
+
+
+    /* real worker functions */
+    drv_generic_text_real_write = drv_FutabaVFD_write;
+    drv_generic_text_real_defchar = drv_FutabaVFD_defchar;
+
+
+    /* start display */
+    if ((ret = drv_FutabaVFD_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, "---")) {
+	    sleep(3);
+	    drv_FutabaVFD_clear();
+	}
+    }
+
+    /* initialize generic text driver */
+    if ((ret = drv_generic_text_init(section, Name)) != 0)
+	return ret;
+
+    /* initialize generic icon driver TODO */
+
+    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, '_');	/* ASCII  32 = blank */
+    drv_generic_text_bar_add_segment(255, 255, 255, 0x7F);	/* 0x7F = full dot */
+
+
+    /* register text widget */
+    wc = Widget_Text;
+    wc.draw = drv_generic_text_draw;
+    widget_register(&wc);
+
+    /* register icon widget TODO */
+    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::brightness", -1, plugin_brightness);
+
+
+
+    return 0;
+}
+
+
+/* close driver & display */
+/* use this function for a text display */
+int drv_FutabaVFD_quit(const int quiet)
+{
+
+    info("%s: shutting down.", Name);
+
+    drv_generic_text_quit();
+
+    drv_FutabaVFD_clear();
+
+    if (!quiet) {
+	drv_generic_text_greet("goodbye!", NULL);
+    }
+
+    debug("closing connection");
+    drv_FutabaVFD_close();
+
+    return (0);
+}
+
+/* use this one for a text display */
+DRIVER drv_FutabaVFD = {
+    .name = Name,
+    .list = drv_FutabaVFD_list,
+    .init = drv_FutabaVFD_init,
+    .quit = drv_FutabaVFD_quit,
+};
diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample
index 9c312bd..349b4a7 100644
--- a/lcd4linux.conf.sample
+++ b/lcd4linux.conf.sample
@@ -557,6 +557,21 @@ Display VNC {
     HttpPort	 '5800'
 }
 
+
+Display FutabaVFD {
+    Driver 'FutabaVFD'
+    Port '/dev/parport0'	
+    Size '40x2'
+    Brightness 3
+    Wire {
+	RW      'STROBE'
+	TEST    'AUTOFD'
+	SELECT  'SLCTIN'
+	BUSY    'BUSY'
+    }
+}
+
+
 #Plugin KVV {
 #    StationID '12_701'
 #    Refresh 30
@@ -1331,6 +1346,7 @@ Layout Debug {
 #Display 'ctinclud'
 #Display 'picoLCD'
 #Display 'VNC'
+#Display 'FutabaVFD'
 Display 'GLCD2USB'
 
 #Layout 'Default'
diff --git a/smoketest.sh b/smoketest.sh
index afa92eb..3ac632f 100755
--- a/smoketest.sh
+++ b/smoketest.sh
@@ -9,7 +9,7 @@ rm -f smoketest.log lcd4linux
 make distclean
 ./bootstrap
 
-for driver in ASTUSB BeckmannEgle BWCT CrystalFontz Curses Cwlinux D4D DPF EA232graphic EFN G15 GLCD2USB HD44780 IRLCD LCD2USB LCDLinux LCDTerm LEDMatrix LPH7508 LUIse LW_ABP M50530 MatrixOrbital MatrixOrbitalGX MilfordInstruments Noritake NULL Pertelian PHAnderson picoLCD picoLCDGraphic PNG PPM RouterBoard Sample serdisplib SimpleLCD T6963 TeakLCM Trefon ULA200 USBHUB USBLCD WincorNixdorf X11; do
+for driver in ASTUSB BeckmannEgle BWCT CrystalFontz Curses Cwlinux D4D DPF EA232graphic EFN FutabaVFD G15 GLCD2USB HD44780 IRLCD LCD2USB LCDLinux LCDTerm LEDMatrix LPH7508 LUIse LW_ABP M50530 MatrixOrbital MatrixOrbitalGX MilfordInstruments Noritake NULL Pertelian PHAnderson picoLCD picoLCDGraphic PNG PPM RouterBoard Sample serdisplib SimpleLCD T6963 TeakLCM Trefon ULA200 USBHUB USBLCD WincorNixdorf X11; do
 
     make distclean
     ./configure --with-drivers=$driver