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-rw-r--r--drv_FW8888.c309
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diff --git a/drv_FW8888.c b/drv_FW8888.c
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+/* $Id: drv_FW8888.c 1123 2010-06-21 02:07:13Z michael $
+ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_FW8888.c $
+ *
+ * driver for Allnet FW8888 display
+ *
+ * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
+ * Copyright (C) 2010 Linum Software GmbH <support@linum.com>
+ *
+ * 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_FW8888
+ *
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <errno.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"
+
+/* serial port? */
+#include "drv_generic_serial.h"
+
+static char Name[] = "FW8888";
+
+
+/****************************************/
+/*** hardware dependant functions ***/
+/****************************************/
+
+static int drv_FW8888_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;
+
+ return 0;
+}
+
+
+static int drv_FW8888_close(void)
+{
+ /* close whatever port you've opened */
+ drv_generic_serial_close();
+
+ return 0;
+}
+
+
+static void drv_FW8888_send_cmd(const unsigned int cmd)
+{
+ char cmd_str[2];
+
+ cmd_str[0] = 0x10;
+ cmd_str[1] = cmd;
+ drv_generic_serial_write(cmd_str, 2);
+}
+
+
+static void drv_FW8888_send_text(const char *text, const unsigned int len)
+{
+ unsigned int i;
+ char cmd_str[2];
+
+ cmd_str[0] = 0x12;
+
+ for (i = 0; i < len; i++) {
+ cmd_str[1] = text[i];
+ drv_generic_serial_write(cmd_str, 2);
+ }
+}
+
+/* text mode displays only */
+static void drv_FW8888_clear(void)
+{
+ drv_FW8888_send_cmd(0x01);
+}
+
+static void drv_FW8888_home(void)
+{
+ drv_FW8888_send_cmd(0x02);
+}
+
+static void drv_FW8888_display_off(void)
+{
+ drv_FW8888_send_cmd(0x08);
+}
+
+static void drv_FW8888_display_on_cursor_off(void)
+{
+ drv_FW8888_send_cmd(0x0C);
+}
+
+static void drv_FW8888_display_on_cursor_on(void)
+{
+ drv_FW8888_send_cmd(0x0E);
+}
+
+static void drv_FW8888_backlight_off(void)
+{
+ drv_FW8888_send_cmd(0x38);
+}
+
+static void drv_FW8888_backlight_on(void)
+{
+ drv_FW8888_send_cmd(0x39);
+}
+
+static void drv_FW8888_set_cursor(int row, int col)
+{
+ int pos;
+ switch (row) {
+ case 0:
+ pos = 0x80 + col;
+ break;
+ case 1:
+ pos = 0xC0 + col;
+ break;
+ default:
+ error("%s: invalid row(%d) or col(%d)", Name, row, col);
+ return;
+ }
+ drv_FW8888_send_cmd(pos);
+}
+
+
+/* text mode displays only */
+static void drv_FW8888_write(const int row, const int col, const char *data, int len)
+{
+ /* do the cursor positioning here */
+ drv_FW8888_set_cursor(row, col);
+
+ /* send string to the display */
+ drv_FW8888_send_text(data, len);
+}
+
+
+/* start text mode display */
+static int drv_FW8888_start(const char *section)
+{
+ /* display preferences */
+ XRES = 5; /* pixel width of one char */
+ YRES = 8; /* pixel height of one char */
+ CHARS = 0; /* number of user-defineable characters */
+ CHAR0 = 0; /* ASCII of first user-defineable char */
+ DROWS = 2;
+ DCOLS = 16;
+
+ GOTO_COST = -1; /* number of bytes a goto command requires */
+
+ /* open communication with the display */
+ if (drv_FW8888_open(section) < 0) {
+ return -1;
+ }
+
+ drv_FW8888_clear(); /* clear display */
+
+ 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) */
+/* using drv_generic_gpio_draw(W) */
+
+
+/****************************************/
+/*** exported functions ***/
+/****************************************/
+
+
+/* list models */
+int drv_FW8888_list(void)
+{
+ printf("Allnet-FW8888");
+ return 0;
+}
+
+
+/* initialize driver & display */
+/* use this function for a text display */
+int drv_FW8888_init(const char *section, const int quiet)
+{
+ WIDGET_CLASS wc;
+ int ret;
+
+ info("%s: %s", Name, "$Rev: 1123 $");
+
+ /* 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 */
+
+ /* real worker functions */
+ drv_generic_text_real_write = drv_FW8888_write;
+
+ /* start display */
+ if ((ret = drv_FW8888_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.linum.com")) {
+ sleep(3);
+ drv_FW8888_clear();
+ }
+ }
+
+ /* initialize generic text driver */
+ if ((ret = drv_generic_text_init(section, Name)) != 0)
+ return ret;
+
+ /* register text widget */
+ wc = Widget_Text;
+ wc.draw = drv_generic_text_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_FW8888_quit(const int quiet)
+{
+
+ info("%s: shutting down.", Name);
+
+ drv_generic_text_quit();
+
+ /* clear display */
+ drv_FW8888_clear();
+
+ /* say goodbye... */
+ if (!quiet) {
+ drv_generic_text_greet("goodbye!", NULL);
+ }
+
+ debug("closing connection");
+ drv_FW8888_close();
+
+ return (0);
+}
+
+
+/* use this one for a text display */
+DRIVER drv_FW8888 = {
+ .name = Name,
+ .list = drv_FW8888_list,
+ .init = drv_FW8888_init,
+ .quit = drv_FW8888_quit,
+};
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