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-rw-r--r--oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDLinux.c.svn-base367
1 files changed, 0 insertions, 367 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDLinux.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDLinux.c.svn-base
deleted file mode 100644
index 65f65a3c..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_LCDLinux.c.svn-base
+++ /dev/null
@@ -1,367 +0,0 @@
-/* $Id$
- * $URL$
- *
- * driver for the LCD-Linux HD44780 kernel driver
- * http://lcd-linux.sourceforge.net
- *
- * 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_LCDLinux
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.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"
-
-#define LCD_LINUX_MAIN
-#include <linux/lcd-linux.h>
-#include <linux/hd44780.h>
-
-static char Name[] = "LCD-Linux";
-static char Device[] = "/dev/lcd";
-static int lcdlinux_fd = -1;
-
-
-/****************************************/
-/*** hardware dependant functions ***/
-/****************************************/
-
-static void drv_LL_send(const char *string, const int len)
-{
- int run, ret;
-
- for (run = 0; run < 10; run++) {
- ret = write(lcdlinux_fd, string, len);
- if (ret >= 0 || errno != EAGAIN)
- break;
- if (run > 0)
- info("%s: write(%s): EAGAIN #%d", Name, Device, run);
- usleep(1000);
- }
-
- if (ret < 0) {
- error("%s: write(%s) failed: %s", Name, Device, strerror(errno));
- } else if (ret != len) {
- error("%s: partial write(%s): len=%d ret=%d", Name, Device, len, ret);
- }
-
- return;
-}
-
-
-static void drv_LL_clear(void)
-{
- /* No return value check since this ioctl cannot fail */
- ioctl(lcdlinux_fd, LCDL_CLEAR_DISP);
-}
-
-
-static void drv_LL_write(const int row, const int col, const char *data, int len)
-{
- int pos = row * DCOLS + col;
-
- if (lseek(lcdlinux_fd, pos, SEEK_SET) == (off_t) - 1) {
- error("%s: lseek(%s) failed: %s", Name, Device, strerror(errno));
- }
- drv_LL_send(data, len);
-}
-
-
-static void drv_LL_defchar(const int ascii, const unsigned char *matrix)
-{
- char buf[9];
- int i;
-
- buf[0] = ascii;
- for (i = 1; i < 9; i++) {
- buf[i] = *matrix++ & 0x1f;
- }
-
- if (ioctl(lcdlinux_fd, LCDL_SET_CGRAM_CHAR, &buf) != 0) {
- error("%s: ioctl(LCDL_SET_CGRAM_CHAR) failed: %s", Name, strerror(errno));
- }
-}
-
-
-static int drv_LL_start(const char *section, const int quiet)
-{
- char *s;
- int rows = -1, cols = -1;
- int use_busy = 0, bus4bits = 0, commit = 0;
- struct lcd_parameters buf;
-
- /* emit version information */
- info("%s: Version %s", Name, LCD_LINUX_VERSION);
-
- /* get size from config file */
- s = cfg_get(section, "Size", NULL);
- if (s != NULL || *s != '\0') {
- 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;
- }
- }
- free(s);
-
- /* open device */
- lcdlinux_fd = open(Device, O_WRONLY);
- if (lcdlinux_fd == -1) {
- error("%s: open(%s) failed: %s", Name, Device, strerror(errno));
- return -1;
- }
-
- /* get display size */
- memset(&buf, 0, sizeof(buf));
- if (ioctl(lcdlinux_fd, LCDL_GET_PARAM, &buf) != 0) {
- error("%s: ioctl(LCDL_GET_PARAM) failed: %s", Name, strerror(errno));
- error("%s: Could not query display information!", Name);
- return -1;
- }
- info("%s: %dx%d display with %d controllers, flags=0x%02lx:",
- Name, buf.cntr_cols, buf.cntr_rows * buf.num_cntr, buf.num_cntr, buf.flags);
- info("%s: busy-flag checking %sabled", Name, (buf.flags & HD44780_CHECK_BF) ? "en" : "dis");
- info("%s: bus width %d bits", Name, (buf.flags & HD44780_4BITS_BUS) ? 4 : 8);
- info("%s: font size %s", Name, (buf.flags & HD44780_5X10_FONT) ? "5x10" : "5x8");
-
- /* overwrite width size from lcd4linux.conf */
- if (buf.vs_rows || buf.vs_cols) {
- info("%s: disabling virtual screen", Name);
- buf.vs_rows = 0;
- buf.vs_cols = 0;
- commit = 1;
- }
-
- if ((rows > 0 && rows != buf.cntr_rows * buf.num_cntr) || (cols > 0 && cols != buf.cntr_cols)) {
- info("%s: changing size to %dx%d", Name, cols, rows);
- buf.cntr_rows = rows / buf.num_cntr;
- buf.cntr_cols = cols;
- commit = 1;
- }
-
- DROWS = buf.cntr_rows * buf.num_cntr;
- DCOLS = buf.cntr_cols;
-
- /* overwrite busy-flag checking from lcd4linux.conf */
- cfg_number(section, "UseBusy", 0, 0, 1, &use_busy);
- if (use_busy && !(buf.flags & HD44780_CHECK_BF)) {
- info("%s: activating busy-flag checking", Name);
- buf.flags |= HD44780_CHECK_BF;
- commit = 1;
- } else if (!use_busy && (buf.flags & HD44780_CHECK_BF)) {
- info("%s: deactivating busy-flag checking", Name);
- buf.flags &= ~HD44780_CHECK_BF;
- commit = 1;
- }
-
- /* overwrite bus length from lcd4linux.conf */
- cfg_number(section, "Bus4Bit", 0, 0, 1, &bus4bits);
- if (bus4bits && !(buf.flags & HD44780_4BITS_BUS)) {
- info("%s: setting bus length to 4 bits", Name);
- buf.flags |= HD44780_4BITS_BUS;
- commit = 1;
- } else if (!bus4bits && (buf.flags & HD44780_4BITS_BUS)) {
- info("%s: setting bus length to 8 bits", Name);
- buf.flags &= ~HD44780_4BITS_BUS;
- commit = 1;
- }
-
- if (commit && ioctl(lcdlinux_fd, LCDL_SET_PARAM, &buf) != 0) {
- error("%s: ioctl(LCDL_SET_PARAM) failed: %s", Name, strerror(errno));
- return -1;
- }
-
- /* initialize display */
- drv_LL_clear(); /* clear display */
-
- /* Disable control characters interpretation. */
- /* No return value check since this ioctl cannot fail */
- ioctl(lcdlinux_fd, LCDL_RAW_MODE, 1);
-
- if (!quiet) {
- char buffer[40];
- qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
- if (drv_generic_text_greet(buffer, "lcd-linux.sf.net")) {
- sleep(3);
- drv_LL_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_LL_list(void)
-{
- printf("LCD-Linux HD44780 kernel driver");
- return 0;
-}
-
-
-/* initialize driver & display */
-int drv_LL_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 */
- GOTO_COST = -1; /* number of bytes a goto command requires */
-
- /* real worker functions */
- drv_generic_text_real_write = drv_LL_write;
- drv_generic_text_real_defchar = drv_LL_defchar;
-
-
- /* start display */
- if ((ret = drv_LL_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_LL_quit(const int quiet)
-{
-
- info("%s: shutting down.", Name);
-
- drv_generic_text_quit();
-
- /* clear display */
- drv_LL_clear();
-
- /* say goodbye... */
- if (!quiet) {
- drv_generic_text_greet("goodbye!", NULL);
- }
-
- /* Enable control characters interpretation. */
- /* No return value check since this ioctl cannot fail */
- ioctl(lcdlinux_fd, LCDL_RAW_MODE, 0);
-
- /* close device */
- close(lcdlinux_fd);
-
- return (0);
-}
-
-
-DRIVER drv_LCDLinux = {
- .name = Name,
- .list = drv_LL_list,
- .init = drv_LL_init,
- .quit = drv_LL_quit,
-};
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