driver for Logic Way GmbH ABP08 (serial) and ABP09 (USB) appliance control panels by Arndt Kritzner

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1046 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

1 files changed, 343 insertions, 0 deletions

diff --git a/drv_LW_ABP.c b/drv_LW_ABP.c
new file mode 100644
index 0000000..e876f0c
--- /dev/null
+++ b/drv_LW_ABP.c
@@ -0,0 +1,343 @@
+/* $Id$
+ * $URL$
+ *
+ * driver for Logic Way GmbH ABP08 (serial) and ABP09 (USB) appliance control panels
+ * http://www.logicway.de/pages/mde-hardware.shtml#ABP.AMC
+ *
+ * Copyright (C) 2009 Arndt Kritzner <kritzner@logicway.de>
+ * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
+ * Copyright (C) 2005, 2006, 2007, 2009 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_LW_ABP
+ *
+ */
+
+#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"
+
+/* i2c bus? */
+#ifdef WITH_I2C
+#include "drv_generic_i2c.h"
+#endif
+
+
+static char Name[] = "LW_ABP";
+
+
+/****************************************/
+/***  hardware dependant functions    ***/
+/****************************************/
+
+static int drv_LW_ABP_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_LW_ABP_close(void)
+{
+    drv_generic_serial_close();
+
+    return 0;
+}
+
+
+/* dummy function that sends something to the display */
+static void drv_LW_ABP_send(const char *data, const unsigned int len)
+{
+    /* send data to the serial port is easy... */
+    drv_generic_serial_write(data, len);
+}
+
+
+/* text mode displays only */
+static void drv_LW_ABP_clear(void)
+{
+    char cmd[] = "lcd init\r\n";
+
+    /* do whatever is necessary to clear the display */
+    drv_LW_ABP_send(cmd, strlen(cmd));
+}
+
+
+/* text mode displays only */
+static void drv_LW_ABP_write(const int row, const int col, const char *data, int len)
+{
+    char cmd[] = "lcd set line ";
+    char row_[5];
+    char col_[5];
+
+    /* do the cursor positioning here */
+    drv_LW_ABP_send(cmd, strlen(cmd));
+    sprintf(row_, "%d", row + 1);
+    drv_LW_ABP_send(row_, strlen(row_));
+    if (col > 0) {
+	drv_LW_ABP_send(",", 1);
+	sprintf(col_, "%d", col + 1);
+	drv_LW_ABP_send(col_, strlen(col_));
+    }
+    drv_LW_ABP_send(" ", 1);
+
+    /* send string to the display */
+    drv_LW_ABP_send(data, len);
+    drv_LW_ABP_send("\r\n", 2);
+
+}
+
+/* text mode displays only */
+static void drv_LW_ABP_defchar(const int ascii, const unsigned char *matrix)
+{
+}
+
+/* example function used in a plugin */
+static int drv_LW_ABP_contrast(int contrast)
+{
+    char cmd[2];
+
+    /* adjust limits according to the display */
+    if (contrast < 0)
+	contrast = 0;
+    if (contrast > 255)
+	contrast = 255;
+
+    /* call a 'contrast' function */
+    /* assume 0x04 to be the 'set contrast' command */
+    cmd[0] = 0x04;
+    cmd[1] = contrast;
+    drv_LW_ABP_send(cmd, 2);
+
+    return contrast;
+}
+
+
+/* start text mode display */
+static int drv_LW_ABP_start(const char *section)
+{
+    int contrast;
+    int rows = -1, cols = -1;
+    char *s;
+    char cmd[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;
+
+    /* open communication with the display */
+    if (drv_LW_ABP_open(section) < 0) {
+	return -1;
+    }
+
+    /* reset & initialize display */
+    /* assume 0x00 to be a 'reset' command */
+    cmd[0] = 0x00;
+    drv_LW_ABP_send(cmd, 0);
+
+    if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) {
+	drv_LW_ABP_contrast(contrast);
+    }
+
+    drv_LW_ABP_clear();		/* clear display */
+
+    return 0;
+}
+
+/****************************************/
+/***            plugins               ***/
+/****************************************/
+
+static void plugin_contrast(RESULT * result, RESULT * arg1)
+{
+    double contrast;
+
+    contrast = drv_LW_ABP_contrast(R2N(arg1));
+    SetResult(&result, R_NUMBER, &contrast);
+}
+
+
+/****************************************/
+/***        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_LW_ABP_list(void)
+{
+    printf("Logic Way ABP driver");
+    return 0;
+}
+
+
+/* initialize driver & display */
+/* use this function for a text display */
+int drv_LW_ABP_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 = 0;			/* number of user-defineable characters */
+    CHAR0 = 0;			/* ASCII of first user-defineable char */
+    GOTO_COST = 10;		/* number of bytes a goto command requires */
+
+    /* real worker functions */
+    drv_generic_text_real_write = drv_LW_ABP_write;
+    drv_generic_text_real_defchar = drv_LW_ABP_defchar;
+
+    /* start display */
+    if ((ret = drv_LW_ABP_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.logicway.de")) {
+	    sleep(3);
+	    drv_LW_ABP_clear();
+	}
+    }
+
+    /* 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 */
+
+
+    /* 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 */
+    AddFunction("LCD::contrast", 1, plugin_contrast);
+
+    return 0;
+}
+
+
+
+/* close driver & display */
+/* use this function for a text display */
+int drv_LW_ABP_quit(const int quiet)
+{
+
+    info("%s: shutting down.", Name);
+
+    drv_generic_text_quit();
+
+    /* clear display */
+    drv_LW_ABP_clear();
+
+    /* say goodbye... */
+    if (!quiet) {
+	drv_generic_text_greet("goodbye!", NULL);
+    }
+
+    debug("closing connection");
+    drv_LW_ABP_close();
+
+    return (0);
+}
+
+
+/* use this one for a text display */
+DRIVER drv_LW_ABP = {
+    .name = Name,
+    .list = drv_LW_ABP_list,
+    .init = drv_LW_ABP_init,
+    .quit = drv_LW_ABP_quit,
+};