/* $Id$ * $URL$ * * driver for Milford Instruments 'BPK' piggy-back serial interface board * for standard Hitachi 44780 compatible lcd modules. * * Copyright (C) 2003, 2004 Andy Baxter * Copyright (C) 2004 The LCD4Linux Team * * based on the MatrixOrbital driver which is * Copyright (C) 1999, 2000 Michael Reinelt * * 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_MilfordInstruments * */ #include "config.h" #include #include #include #include #include "debug.h" #include "cfg.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_serial.h" static char Name[] = "MilfordInstruments"; typedef struct { int type; char *name; int rows; int cols; } MODEL; static MODEL Models[] = { {216, "MI216", 2, 16}, {220, "MI220", 2, 20}, {240, "MI240", 2, 40}, {420, "MI420", 4, 20}, {-1, "unknown", -1, -1}, }; static int Model; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_MI_clear(void) { drv_generic_serial_write("\376\001", 2); /* clear screen */ } static void drv_MI_write(const int row, const int col, const char *data, const int len) { char cmd[2] = "\376x"; int ddbase = 128; if (row & 1) { /* i.e. if row is 1 or 3 */ ddbase += 64; } if (row & 2) { /* i.e. if row is 0 or 2. */ ddbase += 20; } cmd[1] = (char) (ddbase + col); drv_generic_serial_write(cmd, 2); drv_generic_serial_write(data, len); } static void drv_MI_defchar(const int ascii, const unsigned char *matrix) { int i; char cmd[10] = "\376x"; if (ascii < 8) { cmd[1] = (char) (64 + ascii * 8); for (i = 0; i < 8; i++) { cmd[i + 2] = matrix[i] & 0x1f; }; drv_generic_serial_write(cmd, 10); } } static int drv_MI_start(const char *section, const int quiet) { int i; char *model; model = cfg_get(section, "Model", NULL); if (model == NULL && *model == '\0') { error("%s: no '%s.Model' entry from %s", Name, section, cfg_source()); return -1; } for (i = 0; Models[i].type != 0xff; i++) { if (strcasecmp(Models[i].name, model) == 0) break; } if (Models[i].type == 0xff) { error("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source()); return -1; } Model = i; info("%s: using model '%s'", Name, Models[Model].name); if (drv_generic_serial_open(section, Name, 0) < 0) return -1; /* initialize global variables */ DROWS = Models[Model].rows; DCOLS = Models[Model].cols; drv_MI_clear(); drv_generic_serial_write("\376\014", 2); /* cursor off */ if (!quiet) { if (drv_generic_text_greet(Models[Model].name, "Milford Instruments")) { sleep(3); drv_MI_clear(); } } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ /* none at the moment... */ /****************************************/ /*** 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_MI_list(void) { int i; for (i = 0; Models[i].type > 0; i++) { printf("%s ", Models[i].name); } return 0; } /* initialize driver & display */ int drv_MI_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev$"); /* 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 = 4; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_MI_write; drv_generic_text_real_defchar = drv_MI_defchar; /* start display */ if ((ret = drv_MI_start(section, quiet)) != 0) return ret; /* 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 */ drv_generic_text_bar_add_segment(255, 255, 255, 255); /* ASCII 255 = block */ /* 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 */ /* none at the moment... */ return 0; } /* close driver & display */ int drv_MI_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_MI_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } drv_generic_serial_close(); return (0); } DRIVER drv_MilfordInstruments = { .name = Name, .list = drv_MI_list, .init = drv_MI_init, .quit = drv_MI_quit, }; span>[lcd4linux @ 2005-04-09 07:36:42 by reinelt]reinelt2-17/+99 updated LCD-Linux driver to version 0.8.8 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@529 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 06:57:39 by reinelt]reinelt3-34/+34 AC_CHECK_HEADERS corrected git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@528 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 05:12:48 by reinelt]reinelt4-407/+33 i2c patch from Paul (still does not work here :-( git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@527 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-05[lcd4linux @ 2005-04-05 04:46:06 by reinelt]reinelt1-1/+20 ceil/floor patch from Maxime git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@526 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-04[lcd4linux @ 2005-04-04 20:11:14 by nicowallmeier]nicowallmeier1-2/+6 to be compatible with gcc 2.95 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@525 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-03[lcd4linux @ 2005-04-03 07:07:43 by reinelt]reinelt8-9/+152 added statfs plugin git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@524 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-02[lcd4linux @ 2005-04-02 05:28:58 by reinelt]reinelt3-19/+27 fixed gcc4 warnings about signed/unsigned mismatches git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@523 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-04-01[lcd4linux @ 2005-04-01 05:16:04 by reinelt]reinelt5-584/+694 moved plugin init stuff to a seperate function called on first use git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@522 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-30[lcd4linux @ 2005-03-30 04:57:50 by reinelt]reinelt3-23/+67 Evaluator speedup: use bsearch for finding functions and variables git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@521 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-28[lcd4linux @ 2005-03-28 22:29:23 by reinelt]reinelt1-250/+346 HD44780 multiple displays patch from geronet git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@520 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-28[lcd4linux @ 2005-03-28 19:39:14 by reinelt]reinelt9-256/+1147 HD44780/I2C patch from Luis merged (still does not work for me) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@519 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-25[lcd4linux @ 2005-03-25 15:44:43 by reinelt]reinelt1-2/+5 HD44780 Backlight fixed (thanks to geronet) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@518 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-03-23[lcd4linux @ 2005-03-23 12:23:35 by reinelt]reinelt1-27/+32 fixed some signed/unsigned char mismatches in the Crystalfontz driver (ticket #12) git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@517 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 07:07:55 by reinelt]reinelt1-0/+53 ChangeLog git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@516 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 07:06:45 by reinelt]reinelt11-28/+347 SimpleLCD driver added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@515 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-02-24[lcd4linux @ 2005-02-24 06:51:40 by reinelt]reinelt1-4/+5 LCD-Linux driver GOTO_COST corrected git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@514 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-30[lcd4linux @ 2005-01-30 06:43:22 by reinelt]reinelt4-69/+95 driver for LCD-Linux finished git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@513 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-29[lcd4linux @ 2005-01-29 09:30:56 by reinelt]reinelt1-8/+11 minor HD44780 cleanups git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@512 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-22[lcd4linux @ 2005-01-22 22:57:57 by reinelt]reinelt9-47/+382 LCD-Linux driver added git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@511 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-22[lcd4linux @ 2005-01-22 12:44:41 by reinelt]reinelt1-3/+6 MatrixOrbital backlight micro-fix git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@510 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-18[lcd4linux @ 2005-01-18 06:30:21 by reinelt]reinelt89-261/+603 added (C) to all copyright statements git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@509 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-17[lcd4linux @ 2005-01-17 06:38:48 by reinelt]reinelt1-1/+6 info about backlight and brightness git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@508 3ae390bd-cb1e-0410-b409-cd5a39f66f1f 2005-01-17[lcd4linux @ 2005-01-17 06:29:24 by reinelt]reinelt3-33/+85 added software-controlled backlight support to HD44780 git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@507 3ae390bd-cb1e-0410-b409-cd5a39f66f1f