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4e055ed9cbda058f02f81571cc31e4cd6ef9afc2
archived-lcd4linux/drv_D4D.c
sonic74 2362171db0 Replaced parameter NoPowerCycle with PowerCycle 
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1163 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
2011-12-09 03:16:17 +00:00

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/* $Id$
* $URL$
*
* LCD4Linux driver for 4D Systems Display Graphics Modules
*
* Copyright (C) 2008, 2011 Sven Killig <sven@killig.de>
* Modified from sample code by:
* Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at>
* Copyright (C) 2005, 2006, 2007 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_D4D
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <termios.h>
#include <fcntl.h>
#include <math.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"
#include "drv_generic_text.h"
#include "drv_generic_graphic.h"
#include "drv_generic_serial.h"
#include <sys/ioctl.h>
#include <linux/serial.h>
static char Name[] = "D4D";
char NAME_[20];
int FONT = 1, MODE = 0, EXTRA = 0, SECTOR = 0, SECTOR_SIZE, POWERCYCLE = 0;
/* int CONTRAST_; */
#define address_mmsb(variable) ((variable >> 24) & 0xFF)
#define address_mlsb(variable) ((variable >> 16) & 0xFF)
#define address_lmsb(variable) ((variable >> 8) & 0xFF)
#define address_llsb(variable) (variable & 0xFF)
#define address_hi(variable) ((variable >> 16) & 0xFF)
#define address_mid(variable) ((variable >> 8) & 0xFF)
#define address_lo(variable) (variable & 0xFF)
#define msb(variable) ((variable >> 8) & 0xFF)
#define lsb(variable) (variable & 0xFF)
RGBA FG_COL_ = {.R = 0x00,.G = 0x00,.B = 0x00,.A = 0xff };
RGBA BG_COL_ = {.R = 0xff,.G = 0xff,.B = 0xff,.A = 0xff };
short int FG_COLOR, BG_COLOR;
int RGB_24to16(int red, int grn, int blu)
{
return (((red >> 3) << 11) | ((grn >> 2) << 5) | (blu >> 3));
}
int RGB_24to8(int red, int grn, int blu)
{
return (((red >> 5) << 5) | ((grn >> 5) << 2) | (blu >> 6));
}
/****************************************/
/*** hardware dependant functions ***/
/****************************************/
static void drv_D4D_receive_ACK()
{
char ret[1];
while (drv_generic_serial_read(ret, sizeof(ret)) != 1)
usleep(1); /* loop should be unneccessary */
if (ret[0] == 0x15) {
error("NAK!");
} else if (ret[0] != 6) {
error("no ACK!");
}
}
static void drv_D4D_send_nowait(const char *data, const unsigned int len)
{
if (len > 1 && data[0] >= 32 && data[0] < 127)
debug("drv_D4D_send_nowait('%c'", data[0]);
drv_generic_serial_write(data, len);
}
static void drv_D4D_send(const char *data, const unsigned int len)
{
drv_D4D_send_nowait(data, len);
drv_D4D_receive_ACK();
}
static void drv_D4D_send_extra_nowait(const char *data, const unsigned int len, unsigned char pos1, unsigned char pos2,
unsigned char pos3, unsigned char pos4)
{
/* possibly leave out bytes at posn for GOLDELOX protocol format */
if (EXTRA) {
drv_D4D_send_nowait(data, len);
} else {
unsigned int i, j = 0, lenNew = len;
char send[len];
for (i = 0; i < len; i++) {
if (i != pos1 && i != pos2 && i != pos3 && i != pos4) {
send[j++] = data[i];
} else {
lenNew--;
}
}
drv_D4D_send_nowait(send, lenNew);
}
}
static void drv_D4D_send_extra(const char *data, const unsigned int len, unsigned char pos1, unsigned char pos2,
unsigned char pos3, unsigned char pos4)
{
drv_D4D_send_extra_nowait(data, len, pos1, pos2, pos3, pos4);
drv_D4D_receive_ACK();
}
static int drv_D4D_open(const char *section)
{
info("drv_D4D_open()");
int fd, picaso = 0;
struct termios portset;
static speed_t Speed = 0;
fd = drv_generic_serial_open(section, Name, 0);
if (fd < 0)
return -1;
int flags;
flags = fcntl(fd, F_GETFL);
flags &= ~FNDELAY;
fcntl(fd, F_SETFL, flags);
cfg_number(section, "PICASO", 0, 1200, 4000000, &picaso);
if (picaso) {
info("switching to 9600 baud");
if (tcgetattr(fd, &portset) == -1) {
error("%s: tcgetattr failed: %s", Name, strerror(errno));
return -1;
}
cfsetispeed(&portset, B9600);
cfsetospeed(&portset, B9600);
if (tcsetattr(fd, TCSANOW, &portset) == -1) {
error("%s: tcsetattr failed: %s", Name, strerror(errno));
return -1;
}
}
char cmd[] = { 'U' };
drv_D4D_send(cmd, sizeof(cmd));
debug("2");
if (picaso) {
char baud[] = { 'Q', 0 };
switch (picaso) {
case 1200:
Speed = B1200;
baud[1] = 0x03;
break;
case 2400:
Speed = B2400;
baud[1] = 0x04;
break;
case 4800:
Speed = B4800;
baud[1] = 0x05;
break;
case 9600:
Speed = B9600;
baud[1] = 0x06;
break;
case 19200:
Speed = B19200;
baud[1] = 0x08;
break;
case 38400:
Speed = B38400;
baud[1] = 0x0A;
break;
case 57600:
Speed = B57600;
baud[1] = 0x0B;
break;
case 115200:
Speed = B115200;
baud[1] = 0x0D;
break;
default:
if (picaso >= 128000 && picaso < 256000) { /* FTDI: 129032 */
Speed = B38400;
baud[1] = 0x0E;
break;
} else if (picaso >= 256000) { /* FTDI: 282353 */
Speed = B38400;
baud[1] = 0x0F;
break;
}
error("%s: unsupported speed '%d' from %s", Name, picaso, cfg_source());
return -1;
}
drv_D4D_send_nowait(baud, sizeof(baud));
sleep(1);
debug("3");
cfsetispeed(&portset, Speed);
cfsetospeed(&portset, Speed);
if (picaso >= 128000) {
struct serial_struct sstruct;
if (ioctl(fd, TIOCGSERIAL, &sstruct) < 0) {
error("Error: could not get comm ioctl\n");
return -1;
}
sstruct.custom_divisor = sstruct.baud_base / picaso;
info("baud_base=%d; custom_divisor=%d -> effective baud:%d", sstruct.baud_base, sstruct.custom_divisor,
sstruct.baud_base / sstruct.custom_divisor);
sstruct.flags |= ASYNC_SPD_CUST;
if (ioctl(fd, TIOCSSERIAL, &sstruct) < 0) {
error("Error: could not set custom comm baud divisor\n");
return -1;
}
}
debug("4");
info("switching to %d baud", picaso);
if (tcsetattr(fd, /*TCSANOW*/ TCSAFLUSH /*TCSADRAIN*/, &portset) == -1) {
error("%s: tcsetattr failed: %s", Name, strerror(errno));
return -1;
}
debug("5");
}
return 0;
}
static int drv_D4D_close(void)
{
drv_generic_serial_close();
return 0;
}
static void drv_D4D_clear(void)
{
char cmd[] = { 'E' };
drv_D4D_send(cmd, sizeof(cmd));
}
static void drv_D4D_write(const int row, const int col, const char *data, int len)
{
char out[len];
char user_char[len];
int user_x[len];
int user_y[len];
int i, k = 0;
if (!SECTOR) { /* font in ROM */
for (i = 0; i < len; i++) {
if (data[i] >= 31 && data[i] < CHAR0) {
out[i] = data[i];
} else if (data[i] == '<EFBFBD>') { /* mu */
if (FONT == 2)
out[i] = 31; /* undocumented */
else if (FONT == 0)
out[i] = 'u';
else
out[i] = 127; /* undocumented */
} else {
out[i] = ' ';
if (data[i] == '<EFBFBD>')
user_char[k] = 0; /* degree */
else
user_char[k] = data[i] - CHAR0;
user_x[k] = (col + i) * XRES;
user_y[k] = row * YRES;
k++;
}
}
char cmd[] = { 's', col, row, FONT, msb(FG_COLOR), lsb(FG_COLOR) }; /* normal chars */
drv_D4D_send_nowait(cmd, sizeof(cmd));
if (len > 256)
len = 256;
drv_D4D_send_nowait(out, len);
char cmdNull[1];
cmdNull[0] = 0;
drv_D4D_send(cmdNull, 1);
/* 1, 2, 3, 4, 5, 6
g, c,mx,lx,my,ly */
char cmd_user[] = { 'D', 0, 0, 0, 0, 0, 0, msb(FG_COLOR), lsb(FG_COLOR) }; /* user defined symbols */
for (i = 0; i < k; i++) {
cmd_user[2] = user_char[i];
cmd_user[3] = msb(user_x[i]);
cmd_user[4] = lsb(user_x[i]);
cmd_user[5] = msb(user_y[i]);
cmd_user[6] = lsb(user_y[i]);
drv_D4D_send_extra(cmd_user, sizeof(cmd_user), 1, 3, 5, -1);
}
} else { /* font on SD card */
int sec;
/* 2, 3, 4 , 5 , 6 , 7 , 8 , 9 , 10,11,12,13
mx,lx, my , ly , mw , lw , mh , lh , cm,hs,ms,ls */
char cmd_sd[] =
{ '@', 'I', 0, 0, msb(row * YRES), lsb(row * YRES), msb(XRES), lsb(XRES), msb(YRES), lsb(YRES), 16, 0, 0,
0
};
for (i = 0; i < len; i++) {
cmd_sd[2] = msb((col + i) * XRES);
cmd_sd[3] = lsb((col + i) * XRES);
sec = SECTOR + (unsigned char) data[i] * SECTOR_SIZE;
cmd_sd[11] = address_hi(sec);
cmd_sd[12] = address_mid(sec);
cmd_sd[13] = address_lo(sec);
drv_D4D_send_extra(cmd_sd, sizeof(cmd_sd), 2, 4, 6, 8);
}
}
}
static void drv_D4D_defchar(const int ascii, const unsigned char *matrix)
{
info("drv_D4D_defchar");
char cmd[11];
int i;
cmd[0] = 'A';
cmd[1] = 0;
cmd[2] = ascii - CHAR0;
for (i = 0; i < 8; i++) {
cmd[i + 3] = *matrix++;
}
drv_D4D_send_extra(cmd, sizeof(cmd), 1, -1, -1, -1);
}
static void drv_D4D_blit(const int row, const int col, const int height, const int width)
{
debug("drv_D4D_blit(%i, %i, %i, %i)", row, col, height, width);
int r, c;
RGBA rgb;
short int color;
char colorArray[width * height * MODE / 8];
/* optimization: single colour rectangle? */
/* commented out because obviously seldom used and expensive */
/*RGBA pixel0_0, pixel;
pixel0_0 = drv_generic_graphic_rgb(row, col);
char unicolor = 1;
for (r = row; (r < row + height) && unicolor; r++) {
for (c = col; (c < col + width) && unicolor; c++) {
pixel = drv_generic_graphic_rgb(r, c);
if (pixel0_0.R != pixel.R || pixel0_0.G != pixel.G || pixel0_0.B != pixel.B || pixel0_0.A != pixel.A)
unicolor = 0;
}
}
if (unicolor) {
color = RGB_24to16(pixel0_0.R, pixel0_0.G, pixel0_0.B);
unsigned char col2 = col + width - 1;
unsigned char row2 = row + height - 1;
char cmdRect[] =
{ 'r', msb(col), lsb(col), msb(row), lsb(row), msb(col2), lsb(col2), msb(row2), lsb(row2), msb(color),
lsb(color)
};
debug("Rectangle(%i, %i, %i, %i, %i", col, row, col2, row2, color);
drv_D4D_send_extra(cmdRect, sizeof(cmdRect), 1, 3, 5, 7);
} else { */
char cmd[] =
{ 'I', msb(col), lsb(col), msb(row), lsb(row), msb(width), lsb(width), msb(height), lsb(height), MODE };
int p = 0;
drv_D4D_send_extra_nowait(cmd, sizeof(cmd), 1, 3, 5, 7);
for (r = row; r < row + height; r++) {
for (c = col; c < col + width; c++) {
rgb = drv_generic_graphic_rgb(r, c);
if (MODE == 8) {
colorArray[p++] = RGB_24to8(rgb.R, rgb.G, rgb.B);
} else {
color = RGB_24to16(rgb.R, rgb.G, rgb.B);
colorArray[p++] = msb(color);
colorArray[p++] = lsb(color);
}
}
}
drv_D4D_send_nowait(colorArray, width * height * MODE / 8); /* doesn't werk if sent together (error: "partial write(/dev/tts/1): len=2 ret=1") */
drv_D4D_receive_ACK();
/*} */
}
static int drv_D4D_contrast(int contrast)
{
if (contrast < 0)
contrast = 0;
if (contrast > 15)
contrast = 15;
char cmd[] = { 'Y', 2, contrast };
drv_D4D_send(cmd, sizeof(cmd));
/* CONTRAST_=contrast; */
return contrast;
}
static int drv_D4D_start(const char *section)
{
info("drv_D4D_start()");
int contrast;
int xres_cfg = -1, yres_cfg = -1;
char *s;
char *color;
if (drv_D4D_open(section) < 0) {
return -1;
}
char getVersion[] = { 'V', 0 /*1 */ };
drv_D4D_send_nowait(getVersion, sizeof(getVersion));
char answer[5];
debug("reading answer[0]");
drv_generic_serial_read(answer + 0, 1); /* ,5: PICASO 0/1, Speed 9600: error: "partial read(/dev/ttyUSB0): len=5 ret=1" */
debug("reading answer[1]");
drv_generic_serial_read(answer + 1, 1);
debug("reading answer[2]");
drv_generic_serial_read(answer + 2, 1);
debug("reading answer[3]");
drv_generic_serial_read(answer + 3, 1);
debug("reading answer[4]");
drv_generic_serial_read(answer + 4, 1);
char *ids[] = { "uOLED", "uLCD", "uVGA" };
char *id;
if (answer[0] <= 2)
id = ids[(int) answer[0]];
else
id = "Unknown";
qprintf(NAME_, sizeof(NAME_), "%s H%u S%u", id, (int) answer[1], (int) answer[2]);
int res[2];
int i;
for (i = 0; i < 2; i++) {
switch ((unsigned char) answer[3 + i]) {
case 0x22:
res[i] = 220;
break;
case 0x28:
res[i] = 128;
break;
case 0x32:
res[i] = 320;
EXTRA = 1;
break;
case 0x60:
res[i] = 160;
break;
case 0x64:
res[i] = 64;
break;
case 0x76:
res[i] = 176;
break;
case 0x96:
res[i] = 96;
break;
case 0x24: /* undocumented? */
res[i] = 240;
break;
default:
error("Can't detect display dimensions! answer: {%d, %d, %d, %d, %d}", answer[0], answer[1], answer[2],
answer[3], answer[4]);
return -1;
}
}
DCOLS = res[0];
DROWS = res[1];
cfg_number(section, "Mode", 0, 0, 16, &MODE);
if (MODE == 0) {
s = cfg_get(section, "Font", NULL);
if (s == NULL || *s == '\0') {
error("%s: no '%s.Font' entry from %s", Name, section, cfg_source());
return -1;
}
if (sscanf(s, "%dx%d", &xres_cfg, &yres_cfg) < 1 || xres_cfg < 0) {
error("%s: bad %s.Font '%s' from %s", Name, section, s, cfg_source());
free(s);
return -1;
}
if (yres_cfg == -1) { /* font on SD card */
SECTOR = xres_cfg * 512;
char setAddress[] =
{ '@', 'A', address_mmsb(SECTOR), address_mlsb(SECTOR), address_lmsb(SECTOR), address_llsb(SECTOR) };
drv_D4D_send(setAddress, sizeof(setAddress));
char answer1[1];
char readByte[] = { '@', 'r' };
drv_D4D_send_nowait(readByte, sizeof(readByte));
drv_generic_serial_read(answer1, sizeof(answer1));
XRES = answer1[0];
drv_D4D_send_nowait(readByte, sizeof(readByte));
drv_generic_serial_read(answer1, sizeof(answer1));
YRES = answer1[0];
SECTOR = xres_cfg + 1;
SECTOR_SIZE = ceil((double) XRES * (double) YRES * 2.0 / 512.0);
} else {
XRES = xres_cfg;
YRES = yres_cfg;
}
color = cfg_get(section, "foreground", "ffffff");
if (color2RGBA(color, &FG_COL_) < 0) {
error("%s: ignoring illegal color '%s'", Name, color);
}
if (color)
free(color);
FG_COLOR = RGB_24to16(FG_COL_.R, FG_COL_.G, FG_COL_.B);
color = cfg_get(section, "background", "000000");
if (color2RGBA(color, &BG_COL_) < 0) {
error("%s: ignoring illegal color '%s'", Name, color);
}
if (color)
free(color);
BG_COLOR = RGB_24to16(BG_COL_.R, BG_COL_.G, BG_COL_.B);
DCOLS = DCOLS / XRES;
DROWS = DROWS / YRES;
switch (yres_cfg) { /* font in ROM */
case 8:
switch (xres_cfg) {
case 6:
FONT = 0;
break;
case 8:
FONT = 1;
break;
default:
error("%s: unknown width in %s.Font '%s' from %s", Name, section, s, cfg_source());
return -1;
};
break;
case 12:
FONT = 2;
break;
case 16:
FONT = 3;
break;
case -1:
break;
default:
error("%s: unknown height in %s.Font '%s' from %s", Name, section, s, cfg_source());
return -1;
}
}
info("XRES=%i, YRES=%i; DCOLS=%i, DROWS=%d; FONT=%d, SECTOR=%i, SECTOR_SIZE=%i\n", XRES, YRES, DCOLS, DROWS,
FONT, SECTOR, SECTOR_SIZE);
cfg_number(section, "PowerCycle", 0, 0, 1, &POWERCYCLE);
if (POWERCYCLE) {
char powerOn[] = { 'Y', 3, 1 };
drv_D4D_send(powerOn, sizeof(powerOn));
/*char background[] = {'B', msb(BG_COLOR), lsb(BG_COLOR)};
drv_D4D_send(background, sizeof(background)); */
}
char opaque[] = { 'O', 1 };
drv_D4D_send(opaque, sizeof(opaque));
char penSize[] = { 'p', 0 };
drv_D4D_send(penSize, sizeof(penSize));
if (!MODE) {
unsigned char buffer[] = { 0x18, 0x24, 0x24, 0x18, 0, 0, 0, 0 }; /* degree */
drv_D4D_defchar(CHAR0, buffer);
CHARS--;
CHAR0++;
}
if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) {
drv_D4D_contrast(contrast);
}
drv_D4D_clear();
return 0;
}
int drv_D4D_text_draw(WIDGET * W)
{
short int FG_COLOR_old = FG_COLOR, BG_COLOR_old = BG_COLOR;
int ret;
RGBA fg, bg;
fg = W->fg_valid ? W->fg_color : FG_COL_;
bg = W->bg_valid ? W->bg_color : BG_COL_;
FG_COLOR = RGB_24to16(fg.R, fg.G, fg.B);
BG_COLOR = RGB_24to16(bg.R, bg.G, bg.B);
ret = drv_generic_text_draw(W);
FG_COLOR = FG_COLOR_old;
BG_COLOR = BG_COLOR_old;
return ret;
}
int lastVal[40 * 40 * 2]; /* Fixme: MAX_WIDGETS*2 */
int drv_D4D_bar_draw(WIDGET * W)
{
/* optimizations:
- draw filled rectangles instead of user defined bar characters
- cache last values */
WIDGET_BAR *Bar = W->data;
int row, col, len, res, max, val1, val2;
DIRECTION dir;
#if 0
STYLE style; /* Fixme: missing style support */
#endif
row = W->row;
col = W->col;
dir = Bar->direction;
#if 0
style = Bar->style; /* Fixme: missing style support */
#endif
len = Bar->length;
res = dir & (DIR_EAST | DIR_WEST) ? XRES : YRES;
max = len * res;
val1 = Bar->val1 * (double) (max);
val2 = Bar->val2 * (double) (max);
if (val1 < 1)
val1 = 1;
else if (val1 > max)
val1 = max;
if (val2 < 1)
val2 = 1;
else if (val2 > max)
val2 = max;
short int FG_COLOR_old = FG_COLOR, BG_COLOR_old = BG_COLOR;
RGBA fg, bg;
fg = W->fg_valid ? W->fg_color : FG_COL_;
bg = W->bg_valid ? W->bg_color : BG_COL_;
FG_COLOR = RGB_24to16(fg.R, fg.G, fg.B);
BG_COLOR = RGB_24to16(bg.R, bg.G, bg.B);
char cmd[11];
cmd[0] = 'r';
int val[2];
val[0] = val1;
val[1] = val2;
int i, vals, x1, x2;
int lastValIndex0 = row * DCOLS + col;
int cells = DROWS * DCOLS;
if (val1 == val2 && lastVal[lastValIndex0] == lastVal[lastValIndex0 + cells])
vals = 1;
else
vals = 2;
for (i = 0; i < vals; i++) {
int lastValIndex = lastValIndex0 + cells * (i /*+1 */ );
int y1 = row * YRES + (YRES / 2) * i;
cmd[3] = msb(y1);
cmd[4] = lsb(y1);
int y2 = y1 + YRES / vals - 1;
cmd[7] = msb(y2);
cmd[8] = lsb(y2);
if (val[i] > lastVal[lastValIndex]) {
x1 = col * XRES + lastVal[lastValIndex];
cmd[1] = msb(x1);
cmd[2] = lsb(x1);
x2 = x1 + val[i] - lastVal[lastValIndex] - 1;
cmd[5] = msb(x2);
cmd[6] = lsb(x2);
cmd[9] = msb(FG_COLOR);
cmd[10] = lsb(FG_COLOR);
drv_D4D_send_extra(cmd, sizeof(cmd), 1, 3, 5, 7);
} else if (val[i] < lastVal[lastValIndex]) {
x1 = col * XRES + val[i] - 1 + 1;
cmd[1] = msb(x1);
cmd[2] = lsb(x1);
x2 = x1 + lastVal[lastValIndex] - val[i];
cmd[5] = msb(x2);
cmd[6] = lsb(x2);
cmd[9] = msb(BG_COLOR);
cmd[10] = lsb(BG_COLOR);
drv_D4D_send_extra(cmd, sizeof(cmd), 1, 3, 5, 7);
} else {
/* do nothing */
}
lastVal[lastValIndex] = val[i];
}
FG_COLOR = FG_COLOR_old;
BG_COLOR = BG_COLOR_old;
return 0;
}
/****************************************/
/*** plugins ***/
/****************************************/
static void plugin_contrast(RESULT * result, RESULT * arg1)
{
double contrast;
contrast = drv_D4D_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 ***/
/****************************************/
int drv_D4D_list(void)
{
printf("4D Systems Display Graphics Modules");
return 0;
}
int drv_D4D_init(const char *section, const int quiet)
{
info("drv_D4D_init()");
WIDGET_CLASS wc;
int ret;
info("%s: %s", Name, "$Rev$");
if ((ret = drv_D4D_start(section)) != 0)
return ret;
if (EXTRA)
CHARS = 64;
else
CHARS = 32;
CHAR0 = 128;
GOTO_COST = 7;
if (MODE) {
drv_generic_graphic_real_blit = drv_D4D_blit;
} else {
drv_generic_text_real_write = drv_D4D_write;
drv_generic_text_real_defchar = drv_D4D_defchar;
}
if (!quiet) {
char buffer[40];
qprintf(buffer, sizeof(buffer), "%s %dx%d", NAME_, DCOLS, DROWS);
if (MODE) {
if (drv_generic_graphic_greet(buffer, "www.4dsystems.com.au")) {
sleep(3);
drv_generic_graphic_clear();
}
} else {
if (drv_generic_text_greet(buffer, "www.4dsystems.com.au")) {
sleep(3);
drv_D4D_clear();
}
}
}
if (MODE) {
if ((ret = drv_generic_graphic_init(section, Name)) != 0)
return ret;
} else {
if ((ret = drv_generic_text_init(section, Name)) != 0)
return ret;
if ((ret = drv_generic_text_icon_init()) != 0)
return ret;
if ((ret = drv_generic_text_bar_init(0)) != 0)
return ret;
drv_generic_text_bar_add_segment(0, 0, 255, 32);
wc = Widget_Text;
wc.draw = drv_D4D_text_draw;
widget_register(&wc);
wc = Widget_Icon;
wc.draw = drv_generic_text_icon_draw;
widget_register(&wc);
wc = Widget_Bar;
wc.draw = drv_D4D_bar_draw;
widget_register(&wc);
}
AddFunction("LCD::contrast", 1, plugin_contrast);
return 0;
}
int drv_D4D_quit(const int quiet)
{
info("drv_D4D_quit()");
info("%s: shutting down.", Name);
if (MODE == 0)
drv_generic_text_quit();
if (POWERCYCLE) {
drv_D4D_clear();
}
if (!quiet) {
if (MODE)
drv_generic_graphic_greet("goodbye!", NULL);
else
drv_generic_text_greet("goodbye!", NULL);
}
/* fade */
/*int i;
for(i=CONTRAST_;i>=0;i--) {
drv_D4D_contrast(i);
usleep(1000);
} */
if (MODE)
drv_generic_graphic_quit();
if (POWERCYCLE) {
char powerDown[] = { 'Y', 3, 0 };
drv_D4D_send(powerDown, sizeof(powerDown));
}
if (EXTRA) {
info("switching to 9600 baud");
char baud[] = { 'Q', 0x06 };
drv_D4D_send_nowait(baud, sizeof(baud));
}
info("closing connection");
drv_D4D_close();
return (0);
}
DRIVER drv_D4D = {
.name = Name,
.list = drv_D4D_list,
.init = drv_D4D_init,
.quit = drv_D4D_quit,
};
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