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-rw-r--r--SIN.c318
1 files changed, 0 insertions, 318 deletions
diff --git a/SIN.c b/SIN.c
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-/* $Id: SIN.c,v 1.15 2004/01/29 04:40:02 reinelt Exp $
- *
- * driver for SIN router displays
- *
- * Copyright 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: SIN.c,v $
- * Revision 1.15 2004/01/29 04:40:02 reinelt
- * every .c file includes "config.h" now
- *
- * Revision 1.14 2003/10/05 17:58:50 reinelt
- * libtool junk; copyright messages cleaned up
- *
- * Revision 1.13 2003/09/13 06:45:43 reinelt
- * icons for all remaining drivers
- *
- * Revision 1.12 2003/08/24 05:17:58 reinelt
- * liblcd4linux patch from Patrick Schemitz
- *
- * Revision 1.11 2003/08/17 12:11:58 reinelt
- * framework for icons prepared
- *
- * Revision 1.10 2003/08/17 08:25:30 reinelt
- * preparations for liblcd4linux; minor bugs in SIN.c and Skeleton.c
- *
- * Revision 1.9 2003/07/24 04:48:09 reinelt
- * 'soft clear' needed for virtual rows
- *
- * Revision 1.8 2003/02/22 07:53:10 reinelt
- * cfg_get(key,defval)
- *
- * Revision 1.7 2001/04/27 05:04:57 reinelt
- *
- * replaced OPEN_MAX with sysconf()
- * replaced mktemp() with mkstemp()
- * unlock serial port if open() fails
- *
- * Revision 1.6 2001/02/13 09:00:13 reinelt
- *
- * prepared framework for GPO's (general purpose outputs)
- *
- * Revision 1.5 2000/12/07 20:47:54 reinelt
- *
- * first try for SIN bars
- *
- * Revision 1.4 2000/12/01 20:42:37 reinelt
- *
- * added debugging of SIN driver output, probably found the positioning bug (format %02x instead of %2x)
- *
- * Revision 1.3 2000/12/01 07:20:26 reinelt
- *
- * modified text positioning: row starts with 0, column is hexadecimal
- *
- * Revision 1.2 2000/11/28 17:27:19 reinelt
- *
- * changed decimal values for screen, row, column to ascii values (shame on you!)
- *
- * Revision 1.1 2000/11/28 16:46:11 reinelt
- *
- * first try to support display of SIN router
- *
- *
- */
-
-/*
- *
- * exported fuctions:
- *
- * struct LCD SIN[] *
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <errno.h>
-#include <unistd.h>
-#include <termios.h>
-#include <fcntl.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "lock.h"
-#include "display.h"
-#include "bar.h"
-
-// FIXME: 6x8
-#define XRES 1
-#define YRES 1
-
-
-static LCD Lcd;
-static char *Port=NULL;
-static int Device=-1;
-
-static char Txt[8][40];
-
-static int SIN_open (void)
-{
- int fd;
- pid_t pid;
- struct termios portset;
-
- if ((pid=lock_port(Port))!=0) {
- if (pid==-1)
- error ("SIN: port %s could not be locked", Port);
- else
- error ("SIN: port %s is locked by process %d", Port, pid);
- return -1;
- }
- fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY);
- if (fd==-1) {
- error ("SIN: open(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- if (tcgetattr(fd, &portset)==-1) {
- error ("SIN: tcgetattr(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- cfmakeraw(&portset);
- cfsetospeed(&portset, B9600);
- if (tcsetattr(fd, TCSANOW, &portset)==-1) {
- error ("SIN: tcsetattr(%s) failed: %s", Port, strerror(errno));
- unlock_port(Port);
- return -1;
- }
- return fd;
-}
-
-static void SIN_debug (char *string, int len)
-{
- char buffer[256];
- char *p, *c;
-
- p=buffer;
- c=string;
- while (len-->0) {
- if (isprint(*c)) {
- *p++=*c;
- } else {
- p+=sprintf(p, "\\%02x", *c);
- }
- c++;
- }
- *p='\0';
- debug ("sending '%s'", buffer);
-}
-
-static void SIN_write (char *string, int len)
-{
- SIN_debug(string, len);
- if (Device==-1) return;
- if (write (Device, string, len)==-1) {
- if (errno==EAGAIN) {
- usleep(1000);
- if (write (Device, string, len)>=0) return;
- }
- error ("SIN: write(%s) failed: %s", Port, strerror(errno));
- }
-}
-
-int SIN_clear (int full)
-{
- int row, col;
-
- for (row=0; row<Lcd.rows; row++) {
- for (col=0; col<Lcd.cols; col++) {
- Txt[row][col]='\t';
- }
- }
-
- if (full)
- SIN_write ("\033 ",2);
-
- return 0;
-}
-
-int SIN_init (LCD *Self)
-{
- char *port;
-
- Lcd=*Self;
-
- if (Port) {
- free (Port);
- Port=NULL;
- }
-
- port=cfg_get ("Port",NULL);
- if (port==NULL || *port=='\0') {
- error ("SIN: no 'Port' entry in %s", cfg_source());
- return -1;
- }
- Port=strdup(port);
-
- debug ("using port %s at 9600 baud", Port);
-
- Device=SIN_open();
- if (Device==-1) return -1;
-
- SIN_write ("\015", 1); // send 'Enter'
- // Fixme: should we read the identifier here....
- SIN_write ("\033S0", 3); // select screen #0
- sleep (1); // FIXME: handshaking
- SIN_clear(1);
-
- return 0;
-}
-
-int SIN_put (int row, int col, char *text)
-{
- char *p=&Txt[row][col];
- char *t=text;
-
- while (*t && col++<=Lcd.cols) {
- *p++=*t++;
- }
- return 0;
-}
-
-int SIN_bar (int type, int row, int col, int max, int len, int dummy)
-{
- int rev=0;
-
- if (len<1) len=1;
- else if (len>max) len=max;
-
- switch (type) {
- case BAR_L:
- len=max-len;
- rev=1;
-
- case BAR_R:
- while (max>0 && col<=Lcd.cols) {
- if (len>=XRES) {
- Txt[row][col]=rev?0x19:0x18;
- len-=XRES;
- } else {
- Txt[row][col]=rev?0x18:0x19;
- len=0;
- }
- max-=XRES;
- col++;
- }
- break;
- }
- return 0;
-}
-
-int SIN_flush (void)
-{
- char buffer[256]="\015\033T"; // place text
- char *p;
- int row, col;
-
- for (row=0; row<Lcd.rows; row++) {
- buffer[3]='0'+row;
- for (col=0; col<Lcd.cols; col++) {
- if (Txt[row][col]=='\t') continue;
- sprintf (buffer+4, "%02x", col);
- for (p=buffer+6; col<Lcd.cols; col++, p++) {
- if (Txt[row][col]=='\t') break;
- *p=Txt[row][col];
- }
- SIN_write (buffer, p-buffer);
- }
- }
- return 0;
-}
-
-int SIN_quit (void)
-{
- debug ("closing port %s", Port);
- close (Device);
- unlock_port(Port);
- return (0);
-}
-
-LCD SIN[] = {
- { name: "SIN",
- rows: 8,
- cols: 40,
- xres: XRES,
- yres: YRES,
- bars: BAR_L | BAR_R,
- icons: 0,
- gpos: 0,
- init: SIN_init,
- clear: SIN_clear,
- put: SIN_put,
- bar: SIN_bar,
- icon: NULL,
- gpo: NULL,
- flush: SIN_flush,
- quit: SIN_quit },
- { NULL }
-};