diff options
Diffstat (limited to '')
| -rw-r--r-- | Makefile.am | 1 | ||||
| -rw-r--r-- | Makefile.in | 39 | ||||
| -rw-r--r-- | config.h.in | 3 | ||||
| -rwxr-xr-x | configure | 24 | ||||
| -rw-r--r-- | drivers.m4 | 20 | ||||
| -rw-r--r-- | drv.c | 9 | ||||
| -rw-r--r-- | drv_LPH7508.c | 362 | ||||
| -rw-r--r-- | drv_Sample.c | 578 |
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 @@ -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" @@ -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" @@ -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, +}; |