diff options
Diffstat (limited to 'SIN.c')
| -rw-r--r-- | SIN.c | 318 |
1 files changed, 0 insertions, 318 deletions
@@ -1,318 +0,0 @@ -/* $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 } -}; |