diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDTerm.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDTerm.c.svn-base | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDTerm.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDTerm.c.svn-base deleted file mode 100644 index 56ff4a0c..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDTerm.c.svn-base +++ /dev/null @@ -1,291 +0,0 @@ -/* $Id$ - * $URL$ - * - * driver for the LCDTerm serial-to-HD44780 adapter boards - * http://www.bobblick.com/techref/projects/lcdterm/lcdterm.html - * - * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.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. - * - */ - -/* - * - * exported fuctions: - * - * struct DRIVER drv_LCDTerm - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <unistd.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.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" - -#define LCD_CLEAR 0x03 -#define LCD_CMD 0x12 -#define LCD_DATA 0x14 - -static char Name[] = "LCDTerm"; - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -static void drv_LT_clear(void) -{ - char cmd[1]; - - cmd[0] = LCD_CLEAR; /* clear display */ - drv_generic_serial_write(cmd, 1); /* clear screen */ -} - - -static int drv_LT_send(const char request, const char value) -{ - char buf[2]; - - buf[0] = request; - buf[1] = value; - drv_generic_serial_write(buf, 2); - - return 0; -} - - -static void drv_LT_command(const char cmd) -{ - drv_LT_send(LCD_CMD, cmd); -} - - -static void drv_LT_write(const int row, const int col, const char *data, int len) -{ - int pos; - - /* 16x4 Displays use a slightly different layout */ - if (DCOLS == 16 && DROWS == 4) { - pos = (row % 2) * 64 + (row / 2) * 16 + col; - } else { - pos = (row % 2) * 64 + (row / 2) * 20 + col; - } - - drv_LT_command(0x80 | pos); - - while (len--) { - drv_LT_send(LCD_DATA, *data++); - } -} - -static void drv_LT_defchar(const int ascii, const unsigned char *matrix) -{ - int i; - - drv_LT_command(0x40 | 8 * ascii); - - for (i = 0; i < 8; i++) { - drv_LT_send(LCD_DATA, *matrix++ & 0x1f); - } -} - - -static int drv_LT_start(const char *section, const int quiet) -{ - int rows = -1, cols = -1; - char *s; - - if (drv_generic_serial_open(section, Name, 0) < 0) - return -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; - - /* initialize display */ - drv_LT_command(0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ - drv_LT_command(0x08); /* Display off, cursor off, blink off */ - drv_LT_command(0x0c); /* Display on, cursor off, blink off */ - drv_LT_command(0x06); /* curser moves to right, no shift */ - - drv_LT_clear(); /* clear display */ - - 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_LT_clear(); - } - } - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -/* none */ - - -/****************************************/ -/*** 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_LT_list(void) -{ - printf("LCDTerm serial-to-HD44780 adapter board"); - return 0; -} - - -/* initialize driver & display */ -int drv_LT_init(const char *section, const int quiet) -{ - WIDGET_CLASS wc; - int asc255bug; - 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 */ - - /* Fixme: */ - GOTO_COST = 2; /* number of bytes a goto command requires */ - - /* real worker functions */ - drv_generic_text_real_write = drv_LT_write; - drv_generic_text_real_defchar = drv_LT_defchar; - - - /* start display */ - if ((ret = drv_LT_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 */ - /* most displays have a full block on ascii 255, but some have kind of */ - /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */ - /* char will not be used, but rendered by the bar driver */ - cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug); - drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ - if (!asc255bug) - 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 */ - - return 0; -} - - -/* close driver & display */ -int drv_LT_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - drv_generic_text_quit(); - - /* clear display */ - drv_LT_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - drv_generic_serial_close(); - - return (0); -} - - -DRIVER drv_LCDTerm = { - .name = Name, - .list = drv_LT_list, - .init = drv_LT_init, - .quit = drv_LT_quit, -}; |