/* $Id: drv_WincorNixdorf.c 840 2007-09-09 12:17:42Z michael $ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_WincorNixdorf.c $ * * driver for WincorNixdorf serial cashier displays BA63 and BA66 * * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005 The LCD4Linux Team * * based on the SimpleLCD driver which is * Copyright (C) 2005 Julien Aube * * 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_WincorNixdorf * */ #include "config.h" #include #include #include #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_bar.h" #include "drv.h" #include "drv_generic_text.h" #include "drv_generic_serial.h" #define ESC "\033" static char Name[] = "WincorNixdorf"; typedef struct { int type; char *name; int rows; int cols; } MODEL; static MODEL Models[] = { {63, "BA63", 2, 20}, {66, "BA66", 4, 20}, {-1, "unknown", -1, -1}, }; static int Model; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_WN_clear(void) { drv_generic_serial_write(ESC "[2J", 4); } static void drv_WN_write(const int row, const int col, const char *data, int len) { char cmd[8] = ESC "[r;ccH"; cmd[2] = '1' + row; cmd[4] = '0' + (col / 10); cmd[5] = '1' + (col % 10); drv_generic_serial_write(cmd, 7); drv_generic_serial_write(data, len); } static int drv_WN_start(const char *section, const int quiet) { int i, len; int selftest; char *model = NULL; char buffer[32]; 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 != -1; i++) { if (strcasecmp(Models[i].name, model) == 0) break; } if (Models[i].type == -1) { 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); /* initialize global variables */ DROWS = Models[Model].rows; DCOLS = Models[Model].cols; if (drv_generic_serial_open(section, Name, CS8 | PARENB | PARODD) < 0) return -1; /* real worker functions */ drv_generic_text_real_write = drv_WN_write; cfg_number(section, "SelfTest", 0, 0, 1, &selftest); if (selftest) { info("%s: initiating display selftest sequence", Name); /* read display identification */ drv_generic_serial_write(ESC "[0c", 4); usleep(100 * 1000); if ((len = drv_generic_serial_read(buffer, -1 * (int) sizeof(buffer))) > 0) { info("%s: waiting 15 seconds for selftest", Name); drv_generic_serial_write(buffer, len); sleep(15); info("%s: selftest finished", Name); } else { info("%s: selftest initiation failed", Name); } } /* clear display */ drv_WN_clear(); if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, NULL)) { sleep(3); drv_WN_clear(); } } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ /* none */ /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_WN_list(void) { printf("BA63 BA66"); return 0; } /* initialize driver & display */ int drv_WN_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ascii; int ret; info("%s: %s", Name, "$Rev: 840 $"); /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 7; /* pixel height of one char */ CHARS = 0; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ ICONS = 0; /* number of user-defineable characters reserved for icons */ GOTO_COST = 6; /* number of bytes a goto command requires */ /* start display */ if ((ret = drv_WN_start(section, quiet)) != 0) return ret; /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* initialize generic bar driver */ if ((ret = drv_generic_text_bar_init(1)) != 0) return ret; cfg_number(section, "BarChar", '*', 1, 255, &ascii); /* 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, ascii); /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register bar widget */ wc = Widget_Bar; wc.draw = drv_generic_text_bar_draw; widget_register(&wc); /* register plugins */ /* none */ return 0; } /* close driver & display */ int drv_WN_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_WN_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } drv_generic_serial_close(); return (0); } DRIVER drv_WincorNixdorf = { .name = Name, .list = drv_WN_list, .init = drv_WN_init, .quit = drv_WN_quit, };