linux-dvb-apps.git - linux-dvb-apps Debian packaging

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/* $Id: PalmPilot.c,v 1.6 2001/04/27 05:04:57 reinelt Exp $ * * driver for 3Com Palm Pilot * * Copyright 2000 by Michael Reinelt (reinelt@eunet.at) * * 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 * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program 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: PalmPilot.c,v $ * Revision 1.6 2001/04/27 05:04:57 reinelt * * replaced OPEN_MAX with sysconf() * replaced mktemp() with mkstemp() * unlock serial port if open() fails * * Revision 1.5 2001/03/16 16:40:17 ltoetsch * implemented time bar * * Revision 1.4 2001/02/13 09:00:13 reinelt * * prepared framework for GPO's (general purpose outputs) * * Revision 1.3 2000/08/10 09:44:09 reinelt * * new debugging scheme: error(), info(), debug() * uses syslog if in daemon mode * * Revision 1.2 2000/08/09 09:50:29 reinelt * * opened 0.98 development * removed driver-specific signal-handlers * added 'quit'-function to driver structure * added global signal-handler * * Revision 1.1 2000/05/02 06:05:00 reinelt * * driver for 3Com Palm Pilot added * */ /* * * exported fuctions: * * struct LCD PalmPilot[] * */ #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <errno.h> #include <termios.h> #include <fcntl.h> #include <sys/types.h> #include <sys/stat.h> #include "debug.h" #include "cfg.h" #include "lock.h" #include "display.h" #include "pixmap.h" #define BARS ( BAR_L | BAR_R | BAR_U | BAR_D | BAR_H2 | BAR_V2 | BAR_T) static LCD Lcd; static char *Port=NULL; static speed_t Speed; static int Device=-1; static int pixel=-1; static int pgap=0; static int rgap=0; static int cgap=0; static int border=0; static int Palm_open (void) { int fd; pid_t pid; struct termios portset; if ((pid=lock_port(Port))!=0) { if (pid==-1) error ("PalmPilot: port %s could not be locked", Port); else error ("PalmPilot: port %s is locked by process %d", Port, pid); return -1; } fd = open(Port, O_RDWR | O_NOCTTY | O_NDELAY); if (fd==-1) { error ("PalmPilot: open(%s) failed: %s", Port, strerror(errno)); unlock_port(Port); return -1; } if (tcgetattr(fd, &portset)==-1) { error ("PalmPilot: tcgetattr(%s) failed: %s", Port, strerror(errno)); unlock_port(Port); return -1; } cfmakeraw(&portset); cfsetospeed(&portset, Speed); if (tcsetattr(fd, TCSANOW, &portset)==-1) { error ("PalmPilot: tcsetattr(%s) failed: %s", Port, strerror(errno)); unlock_port(Port); return -1; } return fd; } static void Palm_write (char *string, int len) { if (Device==-1) return; if (write (Device, string, len)==-1) { if (errno==EAGAIN) { usleep(1000); if (write (Device, string, len)>=0) return; } error ("PalmPilot: write(%s) failed: %s", Port, strerror(errno)); } } int Palm_flush (void) { static unsigned char *bitbuf=NULL; static unsigned char *rowbuf=NULL; int xsize, ysize, row, col; xsize=2*border+(Lcd.cols-1)*cgap+Lcd.cols*Lcd.xres*pixel+(Lcd.cols*Lcd.xres-1)*pgap; ysize=2*border+(Lcd.rows-1)*rgap+Lcd.rows*Lcd.yres*pixel+(Lcd.rows*Lcd.yres-1)*pgap; if (bitbuf==NULL) { if ((bitbuf=malloc(xsize*ysize*sizeof(*bitbuf)))==NULL) { error ("PalmPilot: malloc(%d) failed: %s", xsize*ysize*sizeof(*bitbuf), strerror(errno)); return -1; } } if (rowbuf==NULL) { if ((rowbuf=malloc(((xsize+7)/8)*sizeof(*rowbuf)))==NULL) { error ("PalmPilot: malloc(%d) failed: %s", ((xsize+7)/8)*sizeof(*rowbuf), strerror(errno)); return -1; } } memset (bitbuf, 0, xsize*ysize*sizeof(*bitbuf)); for (row=0; row<Lcd.rows*Lcd.yres; row++) { int y=border+(row/Lcd.yres)*rgap+row*(pixel+pgap); for (col=0; col<Lcd.cols*Lcd.xres; col++) { int x=border+(col/Lcd.xres)*cgap+col*(pixel+pgap); int a, b; for (a=0; a<pixel; a++) for (b=0; b<pixel; b++) bitbuf[y*xsize+x+a*xsize+b]=LCDpixmap[row*Lcd.cols*Lcd.xres+col]; } } sprintf (rowbuf, "%c%c", xsize, ysize); Palm_write (rowbuf, 2); for (row=0; row<ysize; row++) { memset (rowbuf, 0, (xsize+7)/8); for (col=0; col<xsize; col++) { rowbuf[col/8]<<=1; rowbuf[col/8]|=bitbuf[row*xsize+col]; } rowbuf[xsize/8]<<=(8-xsize%8)&7; Palm_write (rowbuf, (xsize+7)/8); } return 0; } int Palm_clear (void) { if (pix_clear()!=0) return -1; return Palm_flush(); } int Palm_init (LCD *Self) { char *port, *speed, *s; int rows=-1, cols=-1; int xres=1, yres=-1; if (Port) { free (Port); Port=NULL; } port=cfg_get ("Port"); if (port==NULL || *port=='\0') { error ("PalmPilot: no 'Port' entry in %s", cfg_file()); return -1; } Port=strdup(port); speed=cfg_get("Speed")?:"19200"; switch (atoi(speed)) { case 1200: Speed=B1200; break; case 2400: Speed=B2400; break; case 4800: Speed=B4800; break; case 9600: Speed=B9600; break; case 19200: Speed=B19200; break; default: error ("PalmPilot: unsupported speed '%s' in %s", speed, cfg_file()); return -1; } debug ("using port %s at %d baud", Port, atoi(speed)); if (sscanf(s=cfg_get("size")?:"20x4", "%dx%d", &cols, &rows)!=2 || rows<1 || cols<1) { error ("PalmPilot: bad size '%s'", s); return -1; } if (sscanf(s=cfg_get("font")?:"6x8", "%dx%d", &xres, &yres)!=2 || xres<5 || yres<7) { error ("PalmPilot: bad font '%s'", s); return -1; } if (sscanf(s=cfg_get("pixel")?:"1+0", "%d+%d", &pixel, &pgap)!=2 || pixel<1 || pgap<0) { error ("PalmPilot: bad pixel '%s'", s); return -1; } if (sscanf(s=cfg_get("gap")?:"0x0", "%dx%d", &cgap, &rgap)!=2 || cgap<-1 || rgap<-1) { error ("PalmPilot: bad gap '%s'", s); return -1; } if (rgap<0) rgap=pixel+pgap; if (cgap<0) cgap=pixel+pgap; border=atoi(cfg_get("border")?:"0"); if (pix_init (rows, cols, xres, yres)!=0) { error ("PalmPilot: pix_init(%d, %d, %d, %d) failed", rows, cols, xres, yres); return -1; } Self->rows=rows; Self->cols=cols; Self->xres=xres; Self->yres=yres; Lcd=*Self; // Device=open ("PalmOrb.dat", O_WRONLY | O_CREAT | O_TRUNC, 0644); Device=Palm_open(); if (Device==-1) return -1; pix_clear(); return 0; } int Palm_put (int row, int col, char *text) { return pix_put (row, col, text); } int Palm_bar (int type, int row, int col, int max, int len1, int len2) { return pix_bar (type, row, col, max, len1, len2); } int Palm_quit (void) { debug ("closing port %s", Port); close (Device); unlock_port (Port); return 0; } LCD PalmPilot[] = { { "PalmPilot",0,0,0,0,BARS,0,Palm_init,Palm_clear,Palm_put,Palm_bar,NULL,Palm_flush,Palm_quit }, { NULL } };


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