lcd4linux: removed trash

1 files changed, 0 insertions, 1185 deletions

diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Crystalfontz.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Crystalfontz.c.svn-base
deleted file mode 100644
index 54d38056..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Crystalfontz.c.svn-base
+++ /dev/null
@@ -1,1185 +0,0 @@
-/* $Id$
- * $URL$
- *
- * new style driver for Crystalfontz display modules
- *
- * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at>
- * Copyright (C) 2004 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_Crystalfontz
- *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <sys/time.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "qprintf.h"
-#include "thread.h"
-#include "timer.h"
-#include "plugin.h"
-#include "widget.h"
-#include "widget_text.h"
-#include "widget_icon.h"
-#include "widget_bar.h"
-#include "widget_keypad.h"
-#include "drv.h"
-#include "drv_generic_text.h"
-#include "drv_generic_gpio.h"
-#include "drv_generic_serial.h"
-#include "drv_generic_keypad.h"
-
-
-static char Name[] = "Crystalfontz";
-
-static int Model;
-static int Protocol;
-static int Payload;
-
-/* ring buffer for bytes received from the display */
-static unsigned char RingBuffer[256];
-static unsigned int RingRPos = 0;
-static unsigned int RingWPos = 0;
-
-/* packet from the display */
-struct {
-    unsigned char type;
-    unsigned char code;
-    unsigned char size;
-    unsigned char data[16 + 1];	/* trailing '\0' */
-} Packet;
-
-/* Line Buffer for 633 displays */
-static unsigned char Line[2 * 16];
-
-/* Fan RPM */
-static double Fan_RPM[4] = { 0.0, };
-
-/* Temperature sensors */
-static double Temperature[32] = { 0.0, };
-
-
-typedef struct {
-    int type;
-    char *name;
-    int rows;
-    int cols;
-    int gpis;
-    int gpos;
-    int protocol;
-    int payload;
-} MODEL;
-
-/* Fixme #1: number of GPI's & GPO's should be verified */
-/* Fixme #2: protocol should be verified */
-/* Fixme #3: number of keys on the keypad should be verified */
-
-static MODEL Models[] = {
-    {626, "626", 2, 16, 0, 0, 1, 0},
-    {631, "631", 2, 20, 4, 0, 3, 22},
-    {632, "632", 2, 16, 0, 0, 1, 0},
-    {633, "633", 2, 16, 4, 4, 2, 18},
-    {634, "634", 4, 20, 0, 0, 1, 0},
-    {635, "635", 4, 20, 4, 12, 3, 22},
-    {636, "636", 2, 16, 0, 0, 1, 0},
-    {-1, "Unknown", -1, -1, 0, 0, 0, 0}
-};
-
-
-/****************************************/
-/***  hardware dependant functions    ***/
-/****************************************/
-
-/* x^0 + x^5 + x^12 */
-#define CRCPOLY 0x8408
-
-static unsigned short CRC(const unsigned char *p, size_t len, unsigned short seed)
-{
-    int i;
-    while (len--) {
-	seed ^= *p++;
-	for (i = 0; i < 8; i++)
-	    seed = (seed >> 1) ^ ((seed & 1) ? CRCPOLY : 0);
-    }
-    return ~seed;
-}
-
-static unsigned char LSB(const unsigned short word)
-{
-    return word & 0xff;
-}
-
-static unsigned char MSB(const unsigned short word)
-{
-    return word >> 8;
-}
-
-
-static unsigned char byte(unsigned int pos)
-{
-    pos += RingRPos;
-    if (pos >= sizeof(RingBuffer))
-	pos -= sizeof(RingBuffer);
-    return RingBuffer[pos];
-}
-
-
-static void drv_CF_process_packet(void)
-{
-
-    switch (Packet.type) {
-
-    case 0x02:
-
-	/* async response from display to host */
-	switch (Packet.code) {
-
-	case 0x00:
-	    /* Key Activity */
-	    debug("Key Activity: %d", Packet.data[0]);
-	    drv_generic_keypad_press(Packet.data[0]);
-	    break;
-
-	case 0x01:
-	    /* Fan Speed Report */
-	    if (Packet.data[1] == 0xff) {
-		Fan_RPM[Packet.data[0]] = -1.0;
-	    } else if (Packet.data[1] < 4) {
-		Fan_RPM[Packet.data[0]] = 0.0;
-	    } else {
-		Fan_RPM[Packet.data[0]] =
-		    (double) 27692308L *(Packet.data[1] - 3) / (Packet.data[2] + 256 * Packet.data[3]);
-	    }
-	    break;
-
-	case 0x02:
-	    /* Temperature Sensor Report */
-	    switch (Packet.data[3]) {
-	    case 0:
-		error("%s: 1-Wire device #%d: CRC error", Name, Packet.data[0]);
-		break;
-	    case 1:
-	    case 2:
-		Temperature[Packet.data[0]] = (Packet.data[1] + 256 * Packet.data[2]) / 16.0;
-		break;
-	    default:
-		error("%s: 1-Wire device #%d: unknown CRC status %d", Name, Packet.data[0], Packet.data[3]);
-		break;
-	    }
-	    break;
-
-	default:
-	    /* this should not happen */
-	    error("%s: unexpected response type=0x%02x code=0x%02x size=%d", Name, Packet.type, Packet.code,
-		  Packet.size);
-	    break;
-	}
-
-	break;
-
-    case 0x03:
-	/* error response from display to host */
-	error("%s: error response type=0x%02x code=0x%02x size=%d", Name, Packet.type, Packet.code, Packet.size);
-	break;
-
-    default:
-	/* these should not happen: */
-	/* type 0x00: command from host to display: should never come back */
-	/* type 0x01: command response from display to host: are processed within send() */
-	error("%s: unexpected packet type=0x%02x code=0x%02x size=%d", Name, Packet.type, Packet.code, Packet.size);
-	break;
-    }
-
-}
-
-
-static int drv_CF_poll(void)
-{
-    /* read into RingBuffer */
-    while (1) {
-	char buffer[32];
-	int num, n;
-	num = drv_generic_serial_poll(buffer, sizeof(buffer));
-	if (num <= 0)
-	    break;
-	/* put result into RingBuffer */
-	for (n = 0; n < num; n++) {
-	    RingBuffer[RingWPos++] = (unsigned char) buffer[n];
-	    if (RingWPos >= sizeof(RingBuffer))
-		RingWPos = 0;
-	}
-    }
-
-    /* process RingBuffer */
-    while (1) {
-	unsigned char buffer[32];
-	int n, num, size;
-	unsigned short crc;
-	/* packet size */
-	num = RingWPos - RingRPos;
-	if (num < 0)
-	    num += sizeof(RingBuffer);
-	/* minimum packet size=4 */
-	if (num < 4)
-	    return 0;
-	/* valid response types: 01xxxxx 10.. 11.. */
-	/* therefore: 00xxxxxx is invalid */
-	if (byte(0) >> 6 == 0)
-	    goto GARBAGE;
-	/* command length */
-	size = byte(1);
-	/* valid command length is 0 to 16 */
-	if (size > 16)
-	    goto GARBAGE;
-	/* all bytes available? */
-	if (num < size + 4)
-	    return 0;
-	/* check CRC */
-	for (n = 0; n < size + 4; n++)
-	    buffer[n] = byte(n);
-	crc = CRC(buffer, size + 2, 0xffff);
-	if (LSB(crc) != buffer[size + 2])
-	    goto GARBAGE;
-	if (MSB(crc) != buffer[size + 3])
-	    goto GARBAGE;
-	/* process packet */
-	Packet.type = buffer[0] >> 6;
-	Packet.code = buffer[0] & 0x3f;
-	Packet.size = size;
-	memcpy(Packet.data, buffer + 2, size);
-	Packet.data[size] = '\0';	/* trailing zero */
-	/* increment read pointer */
-	RingRPos += size + 4;
-	if (RingRPos >= sizeof(RingBuffer))
-	    RingRPos -= sizeof(RingBuffer);
-	/* a packet arrived */
-	return 1;
-      GARBAGE:
-	debug("dropping garbage byte %02x", byte(0));
-	RingRPos++;
-	if (RingRPos >= sizeof(RingBuffer))
-	    RingRPos = 0;
-	continue;
-    }
-
-    /* not reached */
-    return 0;
-}
-
-
-static void drv_CF_timer(void __attribute__ ((unused)) * notused)
-{
-    while (drv_CF_poll()) {
-	drv_CF_process_packet();
-    }
-}
-
-
-static void drv_CF_send(const unsigned char cmd, const unsigned char len, const unsigned char *data)
-{
-    /* 1 cmd + 1 len + 22 payload + 2 crc = 26 */
-    unsigned char buffer[26];
-    unsigned short crc;
-    struct timeval now, end;
-
-    if (len > Payload) {
-	error("%s: internal error: packet length %d exceeds payload size %d", Name, len, Payload);
-	return;
-    }
-
-    buffer[0] = cmd;
-    buffer[1] = len;
-    memcpy(buffer + 2, data, len);
-    crc = CRC(buffer, len + 2, 0xffff);
-    buffer[len + 2] = LSB(crc);
-    buffer[len + 3] = MSB(crc);
-
-    drv_generic_serial_write((char *) buffer, len + 4);
-
-    /* wait for acknowledge packet */
-    gettimeofday(&now, NULL);
-    while (1) {
-	/* delay 1 msec */
-	usleep(1 * 1000);
-	if (drv_CF_poll()) {
-	    if (Packet.type == 0x01 && Packet.code == cmd) {
-		/* this is the ack we're waiting for */
-		if (0) {
-		    gettimeofday(&end, NULL);
-		    debug("%s: ACK after %ld usec", Name,
-			  1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec);
-		}
-		break;
-	    } else {
-		/* some other (maybe async) packet, just process it */
-		drv_CF_process_packet();
-	    }
-	}
-	gettimeofday(&end, NULL);
-	/* don't wait more than 250 msec */
-	if ((1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec) > 250 * 1000) {
-	    error("%s: timeout waiting for response to cmd 0x%02x", Name, cmd);
-	    break;
-	}
-    }
-}
-
-
-/* check http://www.crystalfontz.com/products/634/cgrom.html */
-/* HINT: the input should using the ISO-8859-1 charset */
-void convertToCgrom2(char *str)
-{
-    unsigned int i;
-    for (i = 0; i < strlen(str); i++) {
-	switch ((unsigned char) str[i]) {
-	case 0x5d:		/* ] */
-	    str[i] = 252;
-	    break;
-	case 0x5b:		/* [ */
-	    str[i] = 250;
-	    break;
-	case 0x24:		/* $ */
-	    str[i] = 162;
-	    break;
-	case 0x40:		/* @ */
-	    str[i] = 160;
-	    break;
-	case 0x5c:		/* \ */
-	    str[i] = 251;
-	    break;
-	case 0x7b:		/* { */
-	    str[i] = 253;
-	    break;
-	case 0x7d:		/* } */
-	    str[i] = 255;
-	    break;
-	case 0x7c:
-	    str[i] = 254;	/* pipe */
-	    break;
-	case 0x27:
-	case 0x60:
-	case 0xB4:
-	    str[i] = 39;	/* ' */
-	    break;
-	case 0xe8:
-	    str[i] = 164;	/* french e */
-	    break;
-	case 0xe9:
-	    str[i] = 165;	/* french e */
-	    break;
-	case 0xc8:
-	    str[i] = 197;	/* french E */
-	    break;
-	case 0xc9:
-	    str[i] = 207;	/* french E */
-	    break;
-
-	case 0xe4:
-	    str[i] = 123;	/* small german ae */
-	    break;
-	case 0xc4:
-	    str[i] = 91;	/* big german ae */
-	    break;
-	case 0xf6:
-	    str[i] = 124;	/* small german oe */
-	    break;
-	case 0xd6:
-	    str[i] = 92;	/* big german oe */
-	    break;
-	case 0xfc:
-	    str[i] = 126;	/* small german ue */
-	    break;
-	case 0xdc:
-	    str[i] = 94;	/* big german ue */
-	    break;
-	case 0x5e:		/* ^ */
-	    str[i] = 253;
-	    break;
-	case 0x5f:		/* _ */
-	    str[i] = 254;
-	    break;
-	default:
-	    break;
-	}
-    }
-}
-
-
-static void drv_CF_write1(const int row, const int col, const char *data, const int len)
-{
-    char cmd[3] = "\021xy";	/* set cursor position */
-
-    if (row == 0 && col == 0) {
-	drv_generic_serial_write("\001", 1);	/* cursor home */
-    } else {
-	cmd[1] = (char) col;
-	cmd[2] = (char) row;
-	drv_generic_serial_write(cmd, 3);
-    }
-
-    /* Model 634 and 632 use another ROM */
-    if (Model == 4 || Model == 2) {
-	convertToCgrom2((char *) data);
-    }
-
-    drv_generic_serial_write(data, len);
-}
-
-
-static void drv_CF_write2(const int row, const int col, const char *data, const int len)
-{
-    int l = len;
-
-    /* limit length */
-    if (col + l > 16)
-	l = 16 - col;
-    if (l < 0)
-	l = 0;
-
-    /* sanity check */
-    if (row >= 2 || col + l > 16) {
-	error("%s: internal error: write outside linebuffer bounds!", Name);
-	return;
-    }
-    memcpy(Line + 16 * row + col, data, l);
-    drv_CF_send(7 + row, 16, (unsigned char *) (Line + 16 * row));
-}
-
-
-static void drv_CF_write3(const int row, const int col, const char *data, const int len)
-{
-    int l = len;
-    unsigned char cmd[23];
-
-    /* limit length */
-    if (col + l > DCOLS)
-	l = DCOLS - col;
-    if (l < 0)
-	l = 0;
-
-    /* sanity check */
-    if (row >= DROWS || col + l > DCOLS) {
-	error("%s: internal error: write outside display bounds!", Name);
-	return;
-    }
-
-    cmd[0] = col;
-    cmd[1] = row;
-    memcpy(cmd + 2, data, l);
-
-    drv_CF_send(31, l + 2, cmd);
-}
-
-
-static void drv_CF_defchar1(const int ascii, const unsigned char *matrix)
-{
-    int i;
-    char cmd[10] = "\031n";	/* set custom char bitmap */
-
-    /* user-defineable chars start at 128, but are defined at 0 */
-    cmd[1] = (char) (ascii - CHAR0);
-    for (i = 0; i < 8; i++) {
-	cmd[i + 2] = matrix[i] & 0x3f;
-    }
-    drv_generic_serial_write(cmd, 10);
-}
-
-
-static void drv_CF_defchar23(const int ascii, const unsigned char *matrix)
-{
-    int i;
-    unsigned char buffer[9];
-
-    /* user-defineable chars start at 128, but are defined at 0 */
-    buffer[0] = (char) (ascii - CHAR0);
-
-    /* clear bit 6 and 7 of the bitmap (blinking) */
-    for (i = 0; i < 8; i++) {
-	buffer[i + 1] = matrix[i] & 0x3f;
-    }
-
-    drv_CF_send(9, 9, buffer);
-}
-
-
-static int drv_CF_contrast(int contrast)
-{
-    static unsigned char Contrast = 0;
-    char buffer[2];
-
-    /* -1 is used to query the current contrast */
-    if (contrast == -1)
-	return Contrast;
-
-    if (contrast < 0)
-	contrast = 0;
-    if (contrast > 255)
-	contrast = 255;
-    Contrast = contrast;
-
-    switch (Protocol) {
-
-    case 1:
-	/* contrast range 0 to 100 */
-	if (Contrast > 100)
-	    Contrast = 100;
-	buffer[0] = 15;		/* Set LCD Contrast */
-	buffer[1] = Contrast;
-	drv_generic_serial_write(buffer, 2);
-	break;
-
-    case 2:
-	/* contrast range 0 to 50 */
-	if (Contrast > 50)
-	    Contrast = 50;
-	drv_CF_send(13, 1, &Contrast);
-	break;
-
-    case 3:
-	/* contrast range 0 to 255 */
-	drv_CF_send(13, 1, &Contrast);
-	break;
-    }
-
-    return Contrast;
-}
-
-
-static int drv_CF_backlight(int backlight)
-{
-    static unsigned char Backlight = 0;
-    char buffer[2];
-
-    /* -1 is used to query the current backlight */
-    if (backlight == -1)
-	return Backlight;
-
-    if (backlight < 0)
-	backlight = 0;
-    if (backlight > 100)
-	backlight = 100;
-    Backlight = backlight;
-
-    switch (Protocol) {
-
-    case 1:
-	buffer[0] = 14;		/* Set LCD Backlight */
-	buffer[1] = Backlight;
-	drv_generic_serial_write(buffer, 2);
-	break;
-
-    case 2:
-    case 3:
-	drv_CF_send(14, 1, &Backlight);
-	break;
-    }
-
-    return Backlight;
-}
-
-
-static int drv_CF_keypad(const int num)
-{
-    int val = 0;
-
-    switch (Protocol) {
-    case 1:
-    case 2:
-	break;
-    case 3:
-	if ((num < 7) || ((num > 12) && (num < 17)))
-	    val = WIDGET_KEY_PRESSED;
-	else
-	    val = WIDGET_KEY_RELEASED;
-	switch (num) {
-	case 1:
-	case 7:
-	    val += WIDGET_KEY_UP;
-	    break;
-	case 2:
-	case 8:
-	    val += WIDGET_KEY_DOWN;
-	    break;
-	case 3:
-	case 9:
-	    val += WIDGET_KEY_LEFT;
-	    break;
-	case 4:
-	case 10:
-	    val += WIDGET_KEY_RIGHT;
-	    break;
-	case 5:
-	case 11:
-	    val += WIDGET_KEY_CONFIRM;
-	    break;
-	case 6:
-	case 12:
-	    val += WIDGET_KEY_CANCEL;
-	    break;
-
-	    /* added for 631, too lazy to make new WIDGET_KEY defines */
-	case 13:
-	case 17:
-	    val += WIDGET_KEY_UP;	/* really UPLEFT */
-	    break;
-	case 14:
-	case 18:
-	    val += WIDGET_KEY_RIGHT;	/* really UPRIGHT */
-	    break;
-	case 15:
-	case 19:
-	    val += WIDGET_KEY_LEFT;	/* really DOWNLEFT */
-	    break;
-	case 16:
-	case 20:
-	    val += WIDGET_KEY_DOWN;	/* really DOWNRIGHT */
-	    break;
-	}
-	break;
-    }
-
-    return val;
-}
-
-
-static int drv_CF_GPI(const int num)
-{
-    if (num < 0 || num > 3) {
-	return 0;
-    }
-    return Fan_RPM[num];
-}
-
-
-static int drv_CF_GPO(const int num, const int val)
-{
-    static unsigned char PWM2[4] = { 0, 0, 0, 0 };
-    static unsigned char PWM3[2];
-
-    int v = val;
-
-    if (v < 0)
-	v = 0;
-    if (v > 100)
-	v = 100;
-
-    switch (Protocol) {
-    case 2:
-	PWM2[num] = v;
-	drv_CF_send(17, 4, PWM2);
-	break;
-    case 3:
-	PWM3[0] = num + 1;
-	PWM3[1] = v;
-	drv_CF_send(34, 2, PWM3);
-	break;
-    }
-
-    return v;
-}
-
-
-static int drv_CF_autodetect(void)
-{
-    int m;
-
-    /* only autodetect newer displays */
-    if (Protocol < 2)
-	return -1;
-
-    /* read display type */
-    drv_CF_send(1, 0, NULL);
-
-    /* send() did already wait for response packet */
-    if (Packet.type == 0x01 && Packet.code == 0x01) {
-	char t[7], c;
-	float h, v;
-	info("%s: display identifies itself as '%s'", Name, Packet.data);
-	if (sscanf((char *) Packet.data, "%6s:h%f,%c%f", t, &h, &c, &v) != 4) {
-	    error("%s: error parsing display identification string", Name);
-	    return -1;
-	}
-	info("%s: display type '%s', hardware version %3.1f, firmware version %c%3.1f", Name, t, h, c, v);
-	if (strncmp(t, "CFA", 3) == 0) {
-	    for (m = 0; Models[m].type != -1; m++) {
-		/* omit the 'CFA' */
-		if (strcasecmp(Models[m].name, t + 3) == 0)
-		    return m;
-	    }
-	}
-	error("%s: display type '%s' may be not supported!", Name, t);
-	return -1;
-    }
-
-    error("%s: display detection failed!", Name);
-
-    return -1;
-}
-
-
-static char *drv_CF_print_ROM(void)
-{
-    static char buffer[17];
-
-    snprintf(buffer, sizeof(buffer), "0x%02x%02x%02x%02x%02x%02x%02x%02x",
-	     Packet.data[1], Packet.data[2], Packet.data[3], Packet.data[4], Packet.data[5], Packet.data[6],
-	     Packet.data[7], Packet.data[8]);
-
-    return buffer;
-}
-
-
-static int drv_CF_scan_DOW(unsigned char index)
-{
-    int i;
-
-    /* Read DOW Device Information */
-    drv_CF_send(18, 1, &index);
-
-    i = 0;
-    while (1) {
-	/* wait 10 msec */
-	usleep(10 * 1000);
-	/* packet available? */
-	if (drv_CF_poll()) {
-	    /* DOW Device Info */
-	    if (Packet.type == 0x01 && Packet.code == 0x12) {
-		switch (Packet.data[1]) {
-		case 0x00:
-		    /* no device found */
-		    return 0;
-		case 0x22:
-		    info("%s: 1-Wire device #%d: DS1822 temperature sensor found at %s", Name, Packet.data[0],
-			 drv_CF_print_ROM());
-		    return 1;
-		case 0x28:
-		    info("%s: 1-Wire device #%d: DS18B20 temperature sensor found at %s", Name, Packet.data[0],
-			 drv_CF_print_ROM());
-		    return 1;
-		default:
-		    info("%s: 1-Wire device #%d: unknown device found at %s", Name, Packet.data[0], drv_CF_print_ROM());
-		    return 0;
-		}
-	    } else {
-		drv_CF_process_packet();
-	    }
-	}
-	/* wait no longer than 300 msec */
-	if (++i > 30) {
-	    error("%s: 1-Wire device #%d detection timed out", Name, index);
-	    return -1;
-	}
-    }
-
-    /* not reached */
-    return -1;
-}
-
-
-/* clear display */
-static void drv_CF_clear(void)
-{
-    switch (Protocol) {
-    case 1:
-	drv_generic_serial_write("\014", 1);
-	break;
-    case 2:
-    case 3:
-	drv_CF_send(6, 0, NULL);
-	break;
-    }
-}
-
-
-/* init sequences for 626, 632, 634, 636  */
-static void drv_CF_start_1(void)
-{
-    drv_generic_serial_write("\014", 1);	/* Form Feed (Clear Display) */
-    drv_generic_serial_write("\004", 1);	/* hide cursor */
-    drv_generic_serial_write("\024", 1);	/* scroll off */
-    drv_generic_serial_write("\030", 1);	/* wrap off */
-}
-
-
-/* init sequences for 633 */
-static void drv_CF_start_2(void)
-{
-    int i;
-    unsigned long mask;
-    unsigned char buffer[4];
-
-    /* Clear Display */
-    drv_CF_send(6, 0, NULL);
-
-    /* Set LCD Cursor Style */
-    buffer[0] = 0;
-    drv_CF_send(12, 1, buffer);
-
-    /* enable Fan Reporting */
-    buffer[0] = 15;
-    drv_CF_send(16, 1, buffer);
-
-    /* Set Fan Power to 100% */
-    buffer[0] = buffer[1] = buffer[2] = buffer[3] = 100;
-    drv_CF_send(17, 4, buffer);
-
-    /* Read DOW Device Information */
-    mask = 0;
-    for (i = 0; i < 32; i++) {
-	if (drv_CF_scan_DOW(i) == 1) {
-	    mask |= 1 << i;
-	}
-    }
-
-    /* enable Temperature Reporting */
-    buffer[0] = mask & 0xff;
-    buffer[1] = (mask >> 8) & 0xff;
-    buffer[2] = (mask >> 16) & 0xff;
-    buffer[3] = (mask >> 24) & 0xff;
-    drv_CF_send(19, 4, buffer);
-}
-
-
-/* init sequences for 631 */
-static void drv_CF_start_3(void)
-{
-    unsigned char buffer[1];
-
-    /* Clear Display */
-    drv_CF_send(6, 0, NULL);
-
-    /* Set LCD Cursor Style */
-    buffer[0] = 0;
-    drv_CF_send(12, 1, buffer);
-
-}
-
-
-static int drv_CF_start(const char *section)
-{
-    int i;
-    char *model;
-
-    model = cfg_get(section, "Model", NULL);
-    if (model != NULL && *model != '\0') {
-	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;
-	Protocol = Models[Model].protocol;
-	info("%s: using model '%s'", Name, Models[Model].name);
-    } else {
-	Model = -1;
-	Protocol = 2;		/*auto-detect only newer displays */
-	info("%s: no '%s.Model' entry from %s, auto-detecting", Name, section, cfg_source());
-    }
-
-    /* open serial port */
-    if (drv_generic_serial_open(section, Name, 0) < 0)
-	return -1;
-
-    /* Fixme: why such a large delay? */
-    usleep(350 * 1000);
-
-    /* display autodetection */
-    i = drv_CF_autodetect();
-    if (Model == -1)
-	Model = i;
-    if (Model == -1) {
-	error("%s: auto-detection failed, please specify a '%s.Model' entry in %s", Name, section, cfg_source());
-	return -1;
-    }
-    if (i != -1 && Model != i) {
-	error("%s: %s.Model '%s' from %s does not match detected model '%s'", Name, section, model, cfg_source(),
-	      Models[i].name);
-	return -1;
-    }
-
-    /* initialize global variables */
-    DROWS = Models[Model].rows;
-    DCOLS = Models[Model].cols;
-    GPIS = Models[Model].gpis;
-    GPOS = Models[Model].gpos;
-    Protocol = Models[Model].protocol;
-    Payload = Models[Model].payload;
-
-
-    switch (Protocol) {
-
-    case 1:
-	drv_CF_start_1();
-	break;
-
-    case 2:
-	/* regularly process display answers */
-	/* Fixme: make 100msec configurable */
-	timer_add(drv_CF_timer, NULL, 100, 0);
-	drv_CF_start_2();
-	/* clear 633 linebuffer */
-	memset(Line, ' ', sizeof(Line));
-	break;
-
-    case 3:
-	/* regularly process display answers */
-	/* Fixme: make 100msec configurable */
-	timer_add(drv_CF_timer, NULL, 100, 0);
-	drv_CF_start_3();
-	break;
-    }
-
-    /* set contrast */
-    if (cfg_number(section, "Contrast", 0, 0, 255, &i) > 0) {
-	drv_CF_contrast(i);
-    }
-
-    /* set backlight */
-    if (cfg_number(section, "Backlight", 0, 0, 100, &i) > 0) {
-	drv_CF_backlight(i);
-    }
-
-    return 0;
-}
-
-
-/****************************************/
-/***            plugins               ***/
-/****************************************/
-
-
-static void plugin_contrast(RESULT * result, const int argc, RESULT * argv[])
-{
-    double contrast;
-
-    switch (argc) {
-    case 0:
-	contrast = drv_CF_contrast(-1);
-	SetResult(&result, R_NUMBER, &contrast);
-	break;
-    case 1:
-	contrast = drv_CF_contrast(R2N(argv[0]));
-	SetResult(&result, R_NUMBER, &contrast);
-	break;
-    default:
-	error("%s.contrast(): wrong number of parameters", Name);
-	SetResult(&result, R_STRING, "");
-    }
-}
-
-
-static void plugin_backlight(RESULT * result, const int argc, RESULT * argv[])
-{
-    double backlight;
-
-    switch (argc) {
-    case 0:
-	backlight = drv_CF_backlight(-1);
-	SetResult(&result, R_NUMBER, &backlight);
-	break;
-    case 1:
-	backlight = drv_CF_backlight(R2N(argv[0]));
-	SetResult(&result, R_NUMBER, &backlight);
-	break;
-    default:
-	error("%s.backlight(): wrong number of parameters", Name);
-	SetResult(&result, R_STRING, "");
-    }
-}
-
-
-/* Fixme: other plugins for Fans, Temperature sensors, ... */
-
-
-
-/****************************************/
-/***        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) */
-/* using drv_generic_keypad_draw(W) */
-
-
-/****************************************/
-/***        exported functions        ***/
-/****************************************/
-
-
-/* list models */
-int drv_CF_list(void)
-{
-    int i;
-
-    for (i = 0; Models[i].type != -1; i++) {
-	printf("%s ", Models[i].name);
-    }
-    return 0;
-}
-
-
-/* initialize driver & display */
-int drv_CF_init(const char *section, const int quiet)
-{
-    WIDGET_CLASS wc;
-    int ret;
-
-    info("%s: %s", Name, "$Rev$");
-
-    /* start display */
-    if ((ret = drv_CF_start(section)) != 0) {
-	return ret;
-    }
-
-    /* display preferences */
-    XRES = 6;			/* pixel width of one char  */
-    YRES = 8;			/* pixel height of one char  */
-    CHARS = 8;			/* number of user-defineable characters */
-
-    /* real worker functions */
-    switch (Protocol) {
-    case 1:
-	CHAR0 = 128;		/* ASCII of first user-defineable char */
-	GOTO_COST = 3;		/* number of bytes a goto command requires */
-	drv_generic_text_real_write = drv_CF_write1;
-	drv_generic_text_real_defchar = drv_CF_defchar1;
-	break;
-    case 2:
-	CHAR0 = 0;		/* ASCII of first user-defineable char */
-	GOTO_COST = -1;		/* there is no goto on 633 */
-	drv_generic_text_real_write = drv_CF_write2;
-	drv_generic_text_real_defchar = drv_CF_defchar23;
-	drv_generic_gpio_real_get = drv_CF_GPI;
-	drv_generic_gpio_real_set = drv_CF_GPO;
-	break;
-    case 3:
-	CHAR0 = 0;		/* ASCII of first user-defineable char */
-	GOTO_COST = 3;		/* number of bytes a goto command requires */
-	drv_generic_text_real_write = drv_CF_write3;
-	drv_generic_text_real_defchar = drv_CF_defchar23;
-	drv_generic_gpio_real_get = drv_CF_GPI;
-	drv_generic_gpio_real_set = drv_CF_GPO;
-	drv_generic_keypad_real_press = drv_CF_keypad;
-	break;
-    }
-
-    if (!quiet) {
-	char buffer[40];
-	qprintf(buffer, sizeof(buffer), "%s %s", Name, Models[Model].name);
-	if (drv_generic_text_greet(buffer, "www.crystalfontz.com")) {
-	    sleep(3);
-	    drv_CF_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 */
-    if (Protocol == 2)
-	drv_generic_text_bar_add_segment(255, 255, 255, 255);	/* ASCII 255 = block */
-
-    /* initialize generic GPIO driver */
-    if ((ret = drv_generic_gpio_init(section, Name)) != 0)
-	return ret;
-
-    /* initialize generic key pad driver */
-    if ((ret = drv_generic_keypad_init(section, Name)) != 0)
-	return ret;
-
-    /* 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);
-    AddFunction("LCD::backlight", -1, plugin_backlight);
-
-    return 0;
-}
-
-
-/* close driver & display */
-int drv_CF_quit(const int quiet)
-{
-
-    info("%s: shutting down display.", Name);
-
-    drv_generic_text_quit();
-    drv_generic_gpio_quit();
-    drv_generic_keypad_quit();
-
-    /* clear display */
-    drv_CF_clear();
-
-    /* say goodbye... */
-    if (!quiet) {
-	drv_generic_text_greet("goodbye!", NULL);
-    }
-
-    drv_generic_serial_close();
-
-    return (0);
-}
-
-
-DRIVER drv_Crystalfontz = {
-    .name = Name,
-    .list = drv_CF_list,
-    .init = drv_CF_init,
-    .quit = drv_CF_quit,
-};