/* $Id$
* $URL$
*
* plugin for ppp throughput
*
* Copyright (C) 2003 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 functions:
*
* int plugin_init_ppp (void)
* adds ppp() function
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#ifdef HAVE_NET_IF_PPP_H
#include <net/if_ppp.h>
#else
#warning if_ppp.h not found. PPP support deactivated.
#endif
#include "debug.h"
#include "plugin.h"
#include "qprintf.h"
#include "hash.h"
#ifdef HAVE_NET_IF_PPP_H
static HASH PPP;
static int get_ppp_stats(void)
{
int age;
int unit;
unsigned ibytes, obytes;
static int fd = -2;
struct ifpppstatsreq req;
char key[16], val[16];
/* reread every 10 msec only */
age = hash_age(&PPP, NULL);
if (age > 0 && age <= 10)
return 0;
/* open socket only once */
if (fd == -2) {
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd == -1) {
error("socket() failed: %s", strerror(errno));
return -1;
}
}
for (unit = 0; unit < 8; unit++) {
memset(&req, 0, sizeof(req));
req.stats_ptr = (caddr_t) & req.stats;
qprintf(reqpre { line-height: 125%; margin: 0; }
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long *//* $Id: T6963.c,v 1.13 2003/10/05 17:58:50 reinelt Exp $
*
* driver for display modules based on the Toshiba T6963 chip
*
* Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at>
*
* 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.
*
*
* $Log: T6963.c,v $
* Revision 1.13 2003/10/05 17:58:50 reinelt
* libtool junk; copyright messages cleaned up
*
* Revision 1.12 2003/09/29 06:12:56 reinelt
* changed default HD44780 wiring: unused signals are GND
*
* Revision 1.11 2003/09/13 06:45:43 reinelt
* icons for all remaining drivers
*
* Revision 1.10 2003/08/16 07:31:35 reinelt
* double buffering in all drivers
*
* Revision 1.9 2003/08/15 07:54:07 reinelt
* HD44780 4 bit mode implemented
*
* Revision 1.8 2003/08/01 05:15:42 reinelt
* last cleanups for 0.9.9
*
* Revision 1.7 2003/07/24 04:48:09 reinelt
* 'soft clear' needed for virtual rows
*
* Revision 1.6 2003/04/07 06:03:00 reinelt
* further parallel port abstraction
*
* Revision 1.5 2003/02/22 07:53:10 reinelt
* cfg_get(key,defval)
*
* Revision 1.4 2002/08/21 06:09:53 reinelt
* some T6963 fixes, ndelay wrap
*
* Revision 1.3 2002/08/19 04:41:20 reinelt
* introduced bar.c, moved bar stuff from display.h to bar.h
*
* Revision 1.2 2002/08/17 12:54:08 reinelt
* minor T6963 changes
*
* Revision 1.1 2002/04/29 11:00:26 reinelt
*
* added Toshiba T6963 driver
* added ndelay() with nanosecond resolution
*
*
*/
/*
*
* exported fuctions:
*
* struct LCD T6963[]
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "debug.h"
#include "cfg.h"
#include "display.h"
#include "bar.h"
#include "icon.h"
#include "parport.h"
#include "udelay.h"
#include "pixmap.h"
#define XRES 6
#define YRES 8
static LCD Lcd;
static int Icons;
unsigned char *Buffer1, *Buffer2;
static unsigned char SIGNAL_CE;
static unsigned char SIGNAL_CD;
static unsigned char SIGNAL_RD;
static unsigned char SIGNAL_WR;
// Fixme:
static int bug=0;
// perform normal status check
void T6_status1 (void)
{
int n;
// turn off data line drivers
parport_direction (1);
// lower CE and RD
parport_control (SIGNAL_CE | SIGNAL_RD, 0);
// Access Time: 150 ns
ndelay(150);
// wait for STA0=1 and STA1=1
n=0;
do {
rep_nop();
if (++n>1000) {
debug("hang in status1");
bug=1;
break;
}
} while ((parport_read() & 0x03) != 0x03);
// rise RD and CE
parport_control (SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE);
// Output Hold Time: 50 ns
ndelay(50);
// turn on data line drivers
parport_direction (0);
}
// perform status check in "auto mode"
void T6_status2 (void)
{
int n;
// turn off data line drivers
parport_direction (1);
// lower RD and CE
parport_control (SIGNAL_RD | SIGNAL_CE, 0);
// Access Time: 150 ns
ndelay(150);
// wait for STA3=1
n=0;
do {
rep_nop();
if (++n>1000) {
debug("hang in status2");
bug=1;
break;
}
} while ((parport_read() & 0x08) != 0x08);
// rise RD and CE
parport_control (SIGNAL_RD | SIGNAL_CE, SIGNAL_RD | SIGNAL_CE);
// Output Hold Time: 50 ns
ndelay(50);
// turn on data line drivers
parport_direction (0);
}
static void T6_write_cmd (unsigned char cmd)
{
// wait until the T6963 is idle
T6_status1();
// put data on DB1..DB8
parport_data (cmd);
// lower WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, 0);
// Pulse width
ndelay(80);
// rise WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE);
// Data Hold Time
ndelay(40);
}
static void T6_write_data (unsigned char data)
{
// wait until the T6963 is idle
T6_status1();
// put data on DB1..DB8
parport_data (data);
// lower C/D
parport_control (SIGNAL_CD, 0);
// C/D Setup Time
ndelay(20);
// lower WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, 0);
// Pulse Width
ndelay(80);
// rise WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE);
// Data Hold Time
ndelay(40);
// rise CD
parport_control (SIGNAL_CD, SIGNAL_CD);
}
static void T6_write_auto (unsigned char data)
{
// wait until the T6963 is idle
T6_status2();
// put data on DB1..DB8
parport_data (data);
// lower C/D
parport_control (SIGNAL_CD, 0);
// C/D Setup Time
ndelay(20);
// lower WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, 0);
// Pulse Width
ndelay(80);
// rise WR and CE
parport_control (SIGNAL_WR | SIGNAL_CE, SIGNAL_WR | SIGNAL_CE);
// Data Hold Time
ndelay(40);
// rise CD
parport_control (SIGNAL_CD, SIGNAL_CD);
}
#if 0 // not used
static void T6_send_byte (unsigned char cmd, unsigned char data)
{
T6_write_data(data);
T6_write_cmd(cmd);
}
#endif
static void T6_send_word (unsigned char cmd, unsigned short data)
{
T6_write_data(data&0xff);
T6_write_data(data>>8);
T6_write_cmd(cmd);
}
static void T6_memset(unsigned short addr, unsigned char data, int len)
{
int i;
T6_send_word (0x24, addr); // Set Adress Pointer
T6_write_cmd(0xb0); // Set Data Auto Write
for (i=0; i<len; i++) {
T6_write_auto(data);
if (bug) {
debug("bug occured at byte %d of %d", i, len);
bug=0;
}
}
T6_status2();
T6_write_cmd(0xb2); // Auto Reset
}
static void T6_memcpy(unsigned short addr, unsigned char *data, int len)
{
int i;
T6_send_word (0x24, 0x0200+addr); // Set Adress Pointer
T6_write_cmd(0xb0); // Set Data Auto Write
for (i=0; i<len; i++) {
T6_write_auto(*(data++));
if (bug) {
debug("bug occured at byte %d of %d, addr=%d", i, len, addr);
bug=0;
}
}
T6_status2();
T6_write_cmd(0xb2); // Auto Reset
}
int T6_clear (int full)
{
int rows;
if (full) {
rows=(Lcd.rows>8 ? 8 : Lcd.rows);
T6_memset(0x0000, 0, Lcd.cols*rows); // clear text area
T6_memset(0x0200, 0, Lcd.cols*rows*8); // clear graphic area
if (Lcd.rows>8) {
T6_memset(0x8000, 0, Lcd.cols*(Lcd.rows-rows)); // clear text area #2
T6_memset(0x8200, 0, Lcd.cols*(Lcd.rows-rows)*8); // clear graphic area #2
}
memset(Buffer1,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1));
memset(Buffer2,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer2));
}
return pix_clear();
}
int T6_init (LCD *Self)
{
Lcd=*Self;
if (pix_init (Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres)!=0) {
error ("T6963: pix_init(%d, %d, %d, %d) failed", Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres);
return -1;
}
if (cfg_number("Icons", 0, 0, 8, &Icons) < 0) return -1;
if (Icons>0) {
info ("allocating %d icons", Icons);
icon_init(Lcd.rows, Lcd.cols, Lcd.xres, Lcd.yres, 8, Icons, pix_icon);
Self->icons=Icons;
Lcd.icons=Icons;
}
Buffer1=malloc(Lcd.cols*Lcd.rows*Lcd.yres);
if (Buffer1==NULL) {
error ("T6963: malloc(%d) failed: %s", Lcd.cols*Lcd.rows*Lcd.yres, strerror(errno));
return -1;
}
Buffer2=malloc(Lcd.cols*Lcd.rows*Lcd.yres);
if (Buffer2==NULL) {
error ("T6963: malloc(%d) failed: %s", Lcd.cols*Lcd.rows*Lcd.yres, strerror(errno));
return -1;
}
if ((SIGNAL_CE=parport_wire_ctrl ("CE", "STROBE"))==0xff) return -1;
if ((SIGNAL_CD=parport_wire_ctrl ("CD", "SELECT"))==0xff) return -1;
if ((SIGNAL_RD=parport_wire_ctrl ("RD", "AUTOFD"))==0xff) return -1;
if ((SIGNAL_WR=parport_wire_ctrl ("WR", "INIT") )==0xff) return -1;
if (parport_open() != 0) {
error ("T6963: could not initialize parallel port!");
return -1;
}
// rise CE, CD, RD and WR
parport_control (SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR,
SIGNAL_CE | SIGNAL_CD | SIGNAL_RD | SIGNAL_WR);
// set direction: write
parport_direction (0);
debug ("setting %d columns", Lcd.cols);
T6_send_word (0x40, 0x0000); // Set Text Home Address
T6_send_word (0x41, Lcd.cols); // Set Text Area
T6_send_word (0x42, 0x0200); // Set Graphic Home Address
T6_send_word (0x43, Lcd.cols); // Set Graphic Area
T6_write_cmd (0x80); // Mode Set: OR mode, Internal CG RAM mode
T6_send_word (0x22, 0x0002); // Set Offset Register
T6_write_cmd (0x98); // Set Display Mode: Curser off, Text off, Graphics on
T6_write_cmd (0xa0); // Set Cursor Pattern: 1 line cursor
T6_send_word (0x21, 0x0000); // Set Cursor Pointer to (0,0)
T6_clear(1);
return 0;
}
int T6_put (int row, int col, char *text)
{
return pix_put(row,col,text);
}
int T6_bar (int type, int row, int col, int max, int len1, int len2)
{
return pix_bar(type,row,col,max,len1,len2);
}
int T6_icon (int num, int seq, int row, int col)
{
return icon_draw (num, seq, row, col);
}
int T6_flush (void)
{
int i, j, e;
memset(Buffer1,0,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1));
for (i=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) {
for (j=0; j<Lcd.xres; j++) {
Buffer1[i]<<=1;
if (LCDpixmap[i*Lcd.xres+j]) Buffer1[i]|=1;
}
}
for (i=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) {
if (Buffer1[i]==Buffer2[i]) continue;
for (j=i, e=0; i<Lcd.cols*Lcd.rows*Lcd.yres; i++) {
if (Buffer1[i]==Buffer2[i]) {
if (++e>4) break;
} else {
e=0;
}
}
T6_memcpy (j, Buffer1+j, i-j-e+1);
}
memcpy(Buffer2,Buffer1,Lcd.cols*Lcd.rows*Lcd.yres*sizeof(*Buffer1));
return 0;
}
int T6_quit (void)
{
return parport_close();
}
LCD T6963[] = {
{ name: "TLC1091",
rows: 16,
cols: 40,
xres: 6,
yres: 8,
bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T,
icons: 0,
gpos: 0,
init: T6_init,
clear: T6_clear,
put: T6_put,
bar: T6_bar,
icon: T6_icon,
gpo: NULL,
flush: T6_flush,
quit: T6_quit
},
{ name: "DMF5002N",
rows: 14,
cols: 16,
xres: 8,
yres: 8,
bars: BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T,
icons: 0,
gpos: 0,
init: T6_init,
clear: T6_clear,
put: T6_put,
bar: T6_bar,
icon: T6_icon,
gpo: NULL,
flush: T6_flush,
quit: T6_quit
},
{ NULL }
};
