dtv-scan-tables.git - Digital TV scan tables

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Diffstat (limited to 'dvbv5_isdb-t/br-sp-Tatui')

0 files changed, 0 insertions, 0 deletions

/* $Id: drv_Trefon.c,v 1.2 2005/04/24 05:27:09 reinelt Exp $ * * driver for TREFON USB LCD displays * * Copyright (C) 2005 Michael Reinelt <reinelt@eunet.at> * Copyright (C) 2005 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. * * * $Log: drv_Trefon.c,v $ * Revision 1.2 2005/04/24 05:27:09 reinelt * Trefon Backlight added * * Revision 1.1 2005/04/24 04:33:46 reinelt * driver for TREFON USB LCD's added * */ /* * * exported fuctions: * * struct DRIVER drv_Trefon * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <termios.h> #include <fcntl.h> #include <sys/ioctl.h> #include <sys/time.h> #include <usb.h> #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "drv.h" #include "drv_generic_text.h" #define LCD_USB_VENDOR 0xfff0 #define LCD_USB_DEVICE 0xfffe #define PKT_START 0x02 #define PKT_BACKLIGHT 0x01 #define PKT_DATA 0x02 #define PKT_CTRL 0x06 #define PKT_END 0xff static char Name[]="TREFON"; static usb_dev_handle *lcd; static int interface; extern int usb_debug; extern int got_signal; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static int drv_TF_open (void) { struct usb_bus *busses, *bus; struct usb_device *dev; lcd = NULL; info ("%s: scanning USB for TREFON LCD...", Name); usb_debug = 0; usb_init(); usb_find_busses(); usb_find_devices(); busses = usb_get_busses(); for (bus = busses; bus; bus = bus->next) { for (dev = bus->devices; dev; dev = dev->next) { if ((dev->descriptor.idVendor == LCD_USB_VENDOR) && (dev->descriptor.idProduct == LCD_USB_DEVICE)) { info ("%s: found TREFON USB LCD on bus %s device %s", Name, bus->dirname, dev->filename); lcd = usb_open(dev); if (usb_set_configuration(lcd, 1) < 0) { error ("%s: usb_set_configuration() failed!", Name); return -1; } interface = 0; if (usb_claim_interface(lcd, interface) < 0) { error ("%s: usb_claim_interface() failed!", Name); return -1; } return 0; } } } return -1; } static int drv_TF_close (void) { usb_release_interface(lcd, interface); usb_close(lcd); return 0; } static void drv_TF_send (char *data, int size) { char buffer[64]; /* the controller always wants a 64-byte packet */ memset (buffer, 0, 64); memcpy (buffer, data, size); // Endpoint hardcoded to 2 usb_bulk_write(lcd, 2, buffer, 64, 2000); } static void drv_TF_command (const unsigned char cmd) { char buffer[4] = { PKT_START, PKT_CTRL, 0, PKT_END }; buffer[2] = cmd; drv_TF_send(buffer, 4); } static void drv_TF_clear (void) { drv_TF_command (0x01); } static void drv_TF_write (const int row, const int col, const char *data, const int len) { char buffer[64]; char *p; int pos; /* 16x4 Displays use a slightly different layout */ if (DCOLS==16 && DROWS==4) { pos = (row%2)*64+(row/2)*16+col; } else { pos = (row%2)*64+(row/2)*20+col; } /* I'd like to combine the GOTO and the data into one packet, * unfortunately the Trefon doesn't like it :-( */ drv_TF_command (0x80|pos); p = buffer; *p++ = PKT_START; *p++ = PKT_DATA; *p++ = (char) len; for (pos = 0; pos < len; pos++) { *p++ = *data++; } *p++ = PKT_END; drv_TF_send(buffer, len+3); } static void drv_TF_defchar (const int ascii, const unsigned char *matrix) { char buffer[14] = "\002\006x\002x01234567\377"; char *p; int i; p = buffer; *p++ = PKT_START; *p++ = PKT_CTRL; *p++ = 0x40|8*ascii; *p++ = PKT_DATA; *p++ = 8; /* data length */ for (i = 0; i < 8; i++) { *p++ = *matrix++ & 0x1f; } *p++ = PKT_END; drv_TF_send(buffer, 14); } static int drv_TF_backlight (int backlight) { char buffer[4] = { PKT_START, PKT_BACKLIGHT, 0, PKT_END }; if (backlight < 0) backlight = 0; if (backlight > 1) backlight = 1; buffer[2] = backlight; drv_TF_send(buffer, 4); return backlight; } static int drv_TF_start (const char *section, const int quiet) { int backlight; int rows=-1, cols=-1; char *s; s=cfg_get(section, "Size", NULL); if (s==NULL || *s=='\0') { error ("%s: no '%s.Size' entry from %s", Name, section, cfg_source()); return -1; } if (sscanf(s,"%dx%d",&cols,&rows)!=2 || rows<1 || cols<1) { error ("%s: bad %s.Size '%s' from %s", Name, section, s, cfg_source()); free (s); return -1; } DROWS = rows; DCOLS = cols; if (drv_TF_open() < 0) { error ("%s: could not find a TREFON USB LCD", Name); return -1; } if (cfg_number(section, "Backlight", 1, 0, 1, &backlight) > 0) { drv_TF_backlight (backlight); } drv_TF_clear(); /* clear display */ if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet (buffer, "www.trefon.de")) { sleep (3); drv_TF_clear(); } } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ static void plugin_backlight (RESULT *result, RESULT *arg1) { double backlight; backlight = drv_TF_backlight(R2N(arg1)); SetResult(&result, R_NUMBER, &backlight); } /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_TF_list (void) { printf ("generic"); return 0; } /* initialize driver & display */ int drv_TF_init (const char *section, const int quiet) { WIDGET_CLASS wc; int asc255bug; int ret; /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 8; /* pixel height of one char */ CHARS = 8; /* number of user-defineable characters */ CHAR0 = 1; /* ASCII of first user-defineable char */ GOTO_COST = 64; /* number of bytes a goto command requires */ /* real worker functions */ drv_generic_text_real_write = drv_TF_write; drv_generic_text_real_defchar = drv_TF_defchar; /* start display */ if ((ret=drv_TF_start (section, quiet))!=0) return ret; /* initialize generic text driver */ if ((ret=drv_generic_text_init(section, Name))!=0) return ret; /* initialize generic icon driver */ if ((ret=drv_generic_text_icon_init())!=0) return ret; /* initialize generic bar driver */ if ((ret=drv_generic_text_bar_init(0))!=0) return ret; /* add fixed chars to the bar driver */ /* most displays have a full block on ascii 255, but some have kind of */ /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */ /* char will not be used, but rendered by the bar driver */ cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug); drv_generic_text_bar_add_segment ( 0, 0,255, 32); /* ASCII 32 = blank */ if (!asc255bug) drv_generic_text_bar_add_segment (255,255,255,255); /* ASCII 255 = block */ /* register text widget */ wc=Widget_Text; wc.draw=drv_generic_text_draw; widget_register(&wc); /* register icon widget */ wc=Widget_Icon; wc.draw=drv_generic_text_icon_draw; widget_register(&wc); /* register bar widget */ wc=Widget_Bar; wc.draw=drv_generic_text_bar_draw; widget_register(&wc); /* register plugins */ AddFunction ("LCD::backlight", 1, plugin_backlight); return 0; } /* close driver & display */ int drv_TF_quit (const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_TF_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet ("goodbye!", NULL); } debug ("closing USB connection"); drv_TF_close(); return (0); } DRIVER drv_Trefon = { name: Name, list: drv_TF_list, init: drv_TF_init, quit: drv_TF_quit, };


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