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update serialVFD driver and comment bignum library -

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patch provided by Stefan Herdler
This commit is contained in:
marschap
2006-02-18 13:41:39 +00:00
parent df4c6d4f2c
commit dd66eac255
4 changed files with 834 additions and 768 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/README.serialVFD
+6 -3
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@@ -24,8 +24,8 @@
If you want to add a new device to the driver add a new section If you want to add a new device to the driver add a new section
to the displaytype-switch-case in the init-function and fill it to the displaytype-switch-case in the init-function and fill it
with the corrrect commands for the display. with the correct commands for the display.
(Try wich displaytype works best with your display, copy and modify (Try which displaytype works best with your display, copy and modify
it's section that is the easiest way I guess.) it's section that is the easiest way I guess.)
@@ -33,10 +33,13 @@
http://www.maltepoeggel.de/html/vfd/index.html http://www.maltepoeggel.de/html/vfd/index.html
It is possible to switch the display off and back on while the server is
running. It may take a few minutes untill the next full refresh makes
the display show everything correctly.
To enable the bignumbers on 2-line displays (only this driver supports To enable the bignumbers on 2-line displays (only this driver supports
this yet) you have to edit "/clientchrono.c" before compiling. this yet) you have to edit "/clients/lcdproc/chrono.c" before compiling.
In function "big_clock_screen" you have to replace the "4" by a "2" in In function "big_clock_screen" you have to replace the "4" by a "2" in
this line: "if (lcd_hgt < 4)" this line: "if (lcd_hgt < 4)"
server/drivers/adv_bignum.c
+731 -687
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File diff suppressed because it is too large Load Diff
server/drivers/serialVFD.c
+94 -75
View File
@@ -2,11 +2,11 @@
Copyright (C) 2006 Stefan Herdler Copyright (C) 2006 Stefan Herdler
This driver is based on drv_base.c, wirz-sli.c and hd44780 from LCDproc This driver is based on wirz-sli.c, hd44780.c, drv_base.c and NoritakeVFD
and the NoritakeVFD driver from this package. driver.
It may contain parts of other drivers of this package too. It may contain parts of other drivers of this package too.
2006-01-26 Version 0.1: everything should work (not all hardware tested!) 2006-02-13 Version 0.2: everything should work (not all hardware tested!)
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by
@@ -55,16 +55,16 @@
it's section that is the easiest way I guess.) it's section that is the easiest way I guess.)
On this page I found pictures and datasheets from the VFD's: On this page I found pictures and datasheets of the VFD's:
http://www.maltepoeggel.de/html/vfd/index.html http://www.maltepoeggel.de/html/vfd/index.html
To enable the bignumbers on 2-line displays (only this driver supports To enable the bignumbers on 2-line displays (only this driver supports
this yet) you have to edit "/clientchrono.c" before compiling. this yet) you have to edit "/clients/lcdproc/chrono.c" before compiling.
In function "big_clock_screen" you have to replace the "4" by a "2" in In function "big_clock_screen" you have to replace the "4" by a "2" in
this line: "if (lcd_hgt < 4)" this line: "if (lcd_hgt < 4)".
@@ -192,24 +192,13 @@ get_info Implemented.
#include "lcd_lib.h" #include "lcd_lib.h"
#include "adv_bignum.h" #include "adv_bignum.h"
#define pos1_cursor 4 #define pos1_cursor 4 //moves cursor to top left character.
#define mv_cursor 5 //moves cursor to position (next byte). #define mv_cursor 5 //moves cursor to position specified by the next byte.
#define reset 6 #define reset 6 //reset
#define init_cmds 7 #define init_cmds 7 //commands needed to initialize the display.
#define set_user_char 8 #define set_user_char 8 //set user character.
#define hor_tab 9 //moves cursor 1 chr right #define hor_tab 9 //moves cursor 1 chr right
/* Constants for userdefchar_mode */
//#define NUM_CCs 8 /* max. number of custom characters */
//typedef enum {
// standard, /* only char 0 is used for heartbeat */
// vbar, /* vertical bars */
// hbar, /* horizontal bars */
// custom, /* custom settings */
// bignum,
// } CGmode;
typedef struct driver_private_data { typedef struct driver_private_data {
char device[200]; char device[200];
int fd; int fd;
@@ -225,6 +214,7 @@ typedef struct driver_private_data {
int brightness; int brightness;
int customchars; int customchars;
int ISO_8859_1; int ISO_8859_1;
unsigned int refresh_timer;
unsigned char charmap[128]; unsigned char charmap[128];
int display_type; int display_type;
char custom_char[31][7]; // used for "KD Rev 2.1" only char custom_char[31][7]; // used for "KD Rev 2.1" only
@@ -245,10 +235,11 @@ MODULE_EXPORT int supports_multiple = 0;
MODULE_EXPORT char *symbol_prefix = "serialVFD_"; MODULE_EXPORT char *symbol_prefix = "serialVFD_";
/* Internal functions */ /* Internal functions */
static void serialVFD_init_vbar (Driver *drvthis); void serialVFD_init_vbar (Driver *drvthis);
static void serialVFD_init_hbar (Driver *drvthis); void serialVFD_init_hbar (Driver *drvthis);
static void serialVFD_draw_frame (Driver *drvthis, char *dat); void serialVFD_draw_frame (Driver *drvthis, char *dat);
void serialVFD_put_brightness (Driver *drvthis);
void serialVFD_put_char (Driver *drvthis, int n);
// Opens com port and sets baud correctly... // Opens com port and sets baud correctly...
// //
@@ -257,7 +248,6 @@ serialVFD_init (Driver *drvthis)
{ {
struct termios portset; struct termios portset;
int tmp, w, h, brightness; int tmp, w, h, brightness;
// int reboot = 0;
char size[200] = DEFAULT_SIZE; char size[200] = DEFAULT_SIZE;
PrivateData *p; PrivateData *p;
@@ -274,6 +264,7 @@ serialVFD_init (Driver *drvthis)
p->cellheight = DEFAULT_CELL_HEIGHT; p->cellheight = DEFAULT_CELL_HEIGHT;
p->ccmode = CCMODE_STANDARD; p->ccmode = CCMODE_STANDARD;
p->ISO_8859_1 = 1; p->ISO_8859_1 = 1;
p->refresh_timer = 0;
debug(RPT_INFO, "%s(%p)", __FUNCTION__, drvthis ); debug(RPT_INFO, "%s(%p)", __FUNCTION__, drvthis );
@@ -664,27 +655,36 @@ serialVFD_init (Driver *drvthis)
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
// Changes screen brightness (0-255; 140 seems good) // Changes screen brightness (0 min ... 255 max ... 1000 also max)
// //
MODULE_EXPORT void MODULE_EXPORT void
serialVFD_set_brightness (Driver *drvthis, int state, int brightness) serialVFD_set_brightness (Driver *drvthis, int state, int brightness)
{ { // set p->brightness
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
int realbrightness = -1;
if (brightness > 0) {
if (brightness > 0)
{
if (brightness > 255) if (brightness > 255)
brightness = 255; brightness = 255;
if (p->brightness != brightness) if (p->brightness != brightness)
{ {
realbrightness = (int) (brightness / 64); p->brightness=brightness;
write (p->fd, &p->hw_cmd[realbrightness][1],\ serialVFD_put_brightness (drvthis);
p->hw_cmd[realbrightness][0]); }
}
p->brightness=brightness;
} }
} }
void
serialVFD_put_brightness (Driver *drvthis)
{ // set hardware brightness
PrivateData *p = drvthis->private_data;
int realbrightness = (int) (p->brightness / 64);
//(4 steps 0-64, 65-128, 129-192, 193-1000)
write (p->fd, &p->hw_cmd[realbrightness][1],\
p->hw_cmd[realbrightness][0]);
}
///////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////
@@ -723,7 +723,7 @@ serialVFD_hbar (Driver *drvthis, int x, int y, int len, int promille, int option
// //
MODULE_EXPORT void MODULE_EXPORT void
serialVFD_set_char (Driver *drvthis, int n, char *dat) serialVFD_set_char (Driver *drvthis, int n, char *dat)
{ { //set char in p->custom_char
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
int letter=0; int letter=0;
unsigned int byte, bit; unsigned int byte, bit;
@@ -734,41 +734,36 @@ serialVFD_set_char (Driver *drvthis, int n, char *dat)
return; return;
if(p->display_type==1) for (byte = 0;byte < p->usr_chr_dot_assignment[0]; byte++)
{ {
for (byte = 0;byte < p->usr_chr_dot_assignment[0]; byte++) for (bit = 0;bit < 8; bit++)
{ {
for (bit = 0;bit < 8; bit++) if((int)p->usr_chr_dot_assignment[bit+8*byte+1] != 0)
{ letter |= (dat[(int)p->usr_chr_dot_assignment[bit+8*byte+1]-1] << bit);
if((int)p->usr_chr_dot_assignment[bit+8*byte+1] != 0)
letter |= (dat[(int)p->usr_chr_dot_assignment[bit+8*byte+1]-1] << bit);
}
p->custom_char[n][byte] = letter;
letter = 0;
} }
p->custom_char[n][byte] = letter;
letter = 0;
} }
else
{
write (p->fd, &p->hw_cmd[set_user_char][1],\
p->hw_cmd[set_user_char][0]);
write (p->fd, &p->usr_chr_mapping[n], 1); if (p->display_type != 1) //not KD Rev 2.1
serialVFD_put_char (drvthis, n);
for (byte = 0;byte < p->usr_chr_dot_assignment[0]; byte++)
{
for (bit = 0;bit < 8; bit++)
{
if((int)p->usr_chr_dot_assignment[bit+8*byte+1] != 0)
letter |= (dat[(int)p->usr_chr_dot_assignment[bit+8*byte+1]-1] << bit);
}
write (p->fd, &letter, 1);
letter = 0;
}
}
if (p->need_refresh == 1) if (p->need_refresh == 1)
p->custom_char_changed[n]=1; p->custom_char_changed[n]=1;
} }
void
serialVFD_put_char (Driver *drvthis, int n)
{ // put char in display
PrivateData *p = drvthis->private_data;
write (p->fd, &p->hw_cmd[set_user_char][1],\
p->hw_cmd[set_user_char][0]);// substitute and select Character to overwrite
write (p->fd, &p->usr_chr_mapping[n], 1);
write (p->fd, &p->custom_char[n][0], p->usr_chr_dot_assignment[0]);// overwrite selected Character
}
///////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////
// Blasts a single frame onscreen, to the lcd... // Blasts a single frame onscreen, to the lcd...
// //
@@ -782,6 +777,30 @@ serialVFD_draw_frame (Driver *drvthis, char *dat)
if (!dat) if (!dat)
return; return;
if (p->refresh_timer > 500) // Do a full refresh every 500 refreshs.
// With this it is possible to switch display on and off while lcdproc is running
{
write (p->fd, &p->hw_cmd[init_cmds][1],p->hw_cmd[init_cmds][0]);
serialVFD_put_brightness (drvthis); // restore brightness
for (i = 0; i < (p->height * p->width); i++)
p->backingstore[i]=0; // clear Backing-store
if (p->display_type != 1) //not KD Rev 2.1
{
for(i=0;i<p->customchars;i++) // refresh all customcharacters
serialVFD_put_char (drvthis, i);
/* {
write (p->fd, &p->hw_cmd[set_user_char][1],\
p->hw_cmd[set_user_char][0]);// substitute and select character to overwrite
write (p->fd, &p->usr_chr_mapping[i], 1);
write (p->fd, &p->custom_char[(int)dat[i]][0], p->usr_chr_dot_assignment[0]);// overwrite selected Character
}*/
}
p->refresh_timer = 0;
}
p->refresh_timer++;
for (i = 0; i < (p->height * p->width); i++) for (i = 0; i < (p->height * p->width); i++)
{ {
@@ -809,20 +828,20 @@ serialVFD_draw_frame (Driver *drvthis, char *dat)
} }
} }
if(dat[i] >= 0 && dat[i] <= 30) if(dat[i] >= 0 && dat[i] <= 30) // custom character
{ {
if (p->display_type == 1) // KD Rev 2.1 only if (p->display_type == 1) // KD Rev 2.1 only
{ {
write (p->fd, "\x1A\xDB", 2); // substitute and select Character to overwrite (237) write (p->fd, "\x1A\xDB", 2); // substitute and select character to overwrite (237)
write (p->fd, &p->custom_char[(int)dat[i]][0], 7);// overwrite selected Character write (p->fd, &p->custom_char[(int)dat[i]][0], 7);// overwrite selected character
write (p->fd, "\xDB", 1); // Write Character write (p->fd, "\xDB", 1); // write character
} }
else // all other displays else // all other displays
{ {
write (p->fd, &p->usr_chr_mapping[(int)dat[i]], 1); write (p->fd, &p->usr_chr_mapping[(int)dat[i]], 1);
} }
} }
else if(dat[i] < 0 && (p->ISO_8859_1 != 0)) else if(dat[i] < 0 && (p->ISO_8859_1 != 0)) // ISO_8859_1 translation for 129 ... 255
{ {
write (p->fd, &p->charmap[dat[i] + 128], 1); write (p->fd, &p->charmap[dat[i] + 128], 1);
} }
@@ -835,11 +854,11 @@ serialVFD_draw_frame (Driver *drvthis, char *dat)
} }
} }
if (last_chr != -10) if (last_chr != -10) // update backingstore if something changed
{ {
memcpy(p->backingstore, dat, p->height * p->width); memcpy(p->backingstore, dat, p->height * p->width);
int i; int i;
for(i=0;i<32;i++) for(i=0;i<p->customchars;i++)
p->custom_char_changed[i]=0; p->custom_char_changed[i]=0;
} }
@@ -854,11 +873,12 @@ serialVFD_num( Driver * drvthis, int x, int num )
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
if (p->ccmode != CCMODE_BIGNUM) if (p->ccmode != CCMODE_BIGNUM) // Are the customcharacters set up correctly? If not:
{ {
do_init=1; do_init=1; // Lib_adv_bignum has to set the customcharacters.
p->ccmode = CCMODE_BIGNUM; p->ccmode = CCMODE_BIGNUM; // Switch customcharactermode to bignum.
} }
// Lib_adv_bignum does everything needed to show the bignumbers.
lib_adv_bignum(drvthis, x, num, p->height, do_init, p->customchars); lib_adv_bignum(drvthis, x, num, p->height, do_init, p->customchars);
} }
@@ -906,7 +926,6 @@ serialVFD_icon (Driver *drvthis, int x, int y, int icon)
p->ccmode = CCMODE_STANDARD; p->ccmode = CCMODE_STANDARD;
serialVFD_set_char(drvthis, 0, icons[0]); serialVFD_set_char(drvthis, 0, icons[0]);
serialVFD_chr(drvthis, x, y, 0); serialVFD_chr(drvthis, x, y, 0);
// serialVFD_chr(drvthis, x, y, 127 );
break; break;
default: default:
return -1; // Let the core do other icons return -1; // Let the core do other icons
@@ -1196,6 +1215,6 @@ MODULE_EXPORT char *
serialVFD_get_info (Driver *drvthis) serialVFD_get_info (Driver *drvthis)
{ {
PrivateData *p = drvthis->private_data; PrivateData *p = drvthis->private_data;
strcpy(p->info, "Driver for many serialVFDs from NEC(all FIPC based), Noritake, Futaba and the \"KD Rev2.1\"VFD"); strcpy(p->info, "Driver for many serialVFDs from NEC(all FIPC based), Noritake, Futaba and the \"KD Rev2.1\"VFD.");
return p->info; return p->info;
} }
server/drivers/serialVFD.h
+3 -3
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@@ -2,11 +2,11 @@
Copyright (C) 2006 Stefan Herdler Copyright (C) 2006 Stefan Herdler
This driver is based on drv_base.c, wirz-sli.c and hd44780 from LCDproc This driver is based on wirz-sli.c, hd44780.c, drv_base.c and NoritakeVFD
0.4.5 and the NoritakeVFD driver from this package. driver.
It may contain parts of other drivers of this package too. It may contain parts of other drivers of this package too.
2006-01-26 Version 0.1: everything should work (not all hardware tested!) 2006-02-13 Version 0.2: everything should work (not all hardware tested!)
This program is free software; you can redistribute it and/or modify This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by it under the terms of the GNU General Public License as published by