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

Age	Commit message (Collapse)	Author	Files	Lines
2008-02-12	add / update scan files for uk-*	Christoph Pfister	1	-0/+10

/* $Id: drv_Crystalfontz.c,v 1.26 2004/06/06 06:51:59 reinelt Exp $ * * new style driver for Crystalfontz display modules * * Copyright 1999, 2000 Michael Reinelt <reinelt@eunet.at> * Copyright 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. * * * $Log: drv_Crystalfontz.c,v $ * Revision 1.26 2004/06/06 06:51:59 reinelt * * do not display end splash screen if quiet=1 * * Revision 1.25 2004/06/05 06:41:39 reinelt * * chancged splash screen again * * Revision 1.24 2004/06/05 06:13:11 reinelt * * splash screen for all text-based display drivers * * Revision 1.23 2004/06/02 09:41:19 reinelt * * prepared support for startup splash screen * * Revision 1.22 2004/06/02 05:56:25 reinelt * * extended contrast range for Crystalfontz * * Revision 1.21 2004/06/01 06:45:28 reinelt * * some Fixme's processed * documented some code * * Revision 1.20 2004/05/31 05:38:02 reinelt * * fixed possible bugs with user-defined chars (clear high bits) * thanks to Andy Baxter for debugging the MilfordInstruments driver! * * Revision 1.19 2004/05/30 08:25:50 reinelt * * Crystalfontz 631 driver finished * * Revision 1.18 2004/05/28 13:51:42 reinelt * * ported driver for Beckmann+Egle Mini-Terminals * added 'flags' parameter to serial_init() * * Revision 1.17 2004/05/27 03:39:47 reinelt * * changed function naming scheme to plugin::function * * Revision 1.16 2004/05/26 11:37:36 reinelt * * Curses driver ported. * * Revision 1.15 2004/05/25 14:26:29 reinelt * * added "Image" driver (was: Raster.c) for PPM and PNG creation * fixed some glitches in the X11 driver * * Revision 1.14 2004/03/19 09:17:46 reinelt * * removed the extra 'goto' function, row and col are additional parameters * of the write() function now. * * Revision 1.13 2004/03/03 03:41:02 reinelt * Crystalfontz Contrast issue fixed * * Revision 1.12 2004/03/01 04:29:51 reinelt * cfg_number() returns -1 on error, 0 if value not found (but default val used), * and 1 if value was used from the configuration. * HD44780 driver adopted to new cfg_number() * Crystalfontz 631 driver nearly finished * * Revision 1.11 2004/02/14 11:56:17 reinelt * M50530 driver ported * changed lots of 'char' to 'unsigned char' * * Revision 1.10 2004/02/05 07:10:23 reinelt * evaluator function names are no longer case-sensitive * Crystalfontz Fan PWM control, Fan RPM monitoring, temperature monitoring * * Revision 1.9 2004/02/04 19:10:51 reinelt * Crystalfontz driver nearly finished * * Revision 1.8 2004/02/01 08:05:12 reinelt * Crystalfontz 633 extensions (CRC checking and stuff) * Models table for HD44780 * Noritake VFD BVrightness patch from Bill Paxton * * Revision 1.7 2004/01/30 20:57:56 reinelt * HD44780 patch from Martin Hejl * dmalloc integrated * * Revision 1.6 2004/01/29 04:40:02 reinelt * every .c file includes "config.h" now * * Revision 1.5 2004/01/25 05:30:09 reinelt * plugin_netdev for parsing /proc/net/dev added * * Revision 1.4 2004/01/23 07:04:03 reinelt * icons finished! * * Revision 1.3 2004/01/23 04:53:34 reinelt * icon widget added (not finished yet!) * * Revision 1.2 2004/01/22 07:57:45 reinelt * several bugs fixed where segfaulting on layout>display * Crystalfontz driver optimized, 632 display already works * * Revision 1.1 2004/01/21 12:36:19 reinelt * Crystalfontz NextGeneration driver added * */ /* * * exported fuctions: * * struct DRIVER drv_Crystalfontz * */ #include "config.h" #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "timer.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" #include "drv_generic_serial.h" static char Name[]="Crystalfontz"; static int Model; static int Protocol; static int Payload; // ring buffer for bytes received from the display static unsigned char RingBuffer[256]; static int RingRPos = 0; static int RingWPos = 0; // packet from the display struct { unsigned char type; unsigned char size; unsigned char data[16+1]; // trailing '\0' } Packet; // Line Buffer for 633 displays static char Line[2*16]; // Fan RPM static double Fan_RPM[4] = {0.0,}; // Temperature sensors static double Temperature[32] = {0.0,}; // Fixme: GPO's not yet implemented // static int GPO[8]; static int GPOS; typedef struct { int type; char *name; int rows; int cols; int gpos; int protocol; int payload; } MODEL; // Fixme #1: number of gpo's should be verified // Fixme #2: protocol should be verified static MODEL Models[] = { { 626, "626", 2, 16, 0, 1, 0 }, { 631, "631", 2, 20, 0, 3, 22 }, { 632, "632", 2, 16, 0, 1, 0 }, { 633, "633", 2, 16, 0, 2, 18 }, { 634, "634", 4, 20, 0, 1, 0 }, { 636, "636", 2, 16, 0, 1, 0 }, { -1, "Unknown", -1, -1, 0, 0, 0 } }; // **************************************** // *** hardware dependant functions *** // **************************************** // x^0 + x^5 + x^12 #define CRCPOLY 0x8408 static unsigned short CRC (unsigned char *p, size_t len, unsigned short seed) { int i; while (len--) { seed ^= *p++; for (i = 0; i < 8; i++) seed = (seed >> 1) ^ ((seed & 1) ? CRCPOLY : 0); } return ~seed; } static unsigned char LSB (unsigned short word) { return word & 0xff; } static unsigned char MSB (unsigned short word) { return word >> 8; } static unsigned char byte (int pos) { pos+=RingRPos; if (pos>=sizeof(RingBuffer)) pos-=sizeof(RingBuffer); return RingBuffer[pos]; } static void drv_CF_process_packet (void) { switch (Packet.type) { case 0x80: // Key Activity debug ("Key Activity: %d", Packet.data[0]); break; case 0x81: // Fan Speed Report if (Packet.data[1] == 0xff) { Fan_RPM[Packet.data[0]] = -1.0; } else if (Packet.data[1] < 4) { Fan_RPM[Packet.data[0]] = 0.0; } else { Fan_RPM[Packet.data[0]] = (double) 27692308L * (Packet.data[1]-3) / (Packet.data[2]+256*Packet.data[3]); } break; case 0x82: // Temperature Sensor Report switch (Packet.data[3]) { case 0: error ("%s: 1-Wire device #%d: CRC error", Name, Packet.data[0]); break; case 1: case 2: Temperature[Packet.data[0]] = (Packet.data[1] + 256*Packet.data[2])/16.0; break; default: error ("%s: 1-Wire device #%d: unknown CRC status %d", Name, Packet.data[0], Packet.data[3]); break; } break; default: // just ignore packet break; } } static int drv_CF_poll (void) { char buffer[32]; unsigned short crc; int n, num, size; // read into RingBuffer while (1) { num=drv_generic_serial_poll(buffer, 32); if (num<=0) break; // put result into RingBuffer for (n=0; n<num; n++) { RingBuffer[RingWPos++]=buffer[n]; if (RingWPos>=sizeof(RingBuffer)) RingWPos=0; } } // process RingBuffer while (1) { // packet size num=RingWPos-RingRPos; if (num < 0) num+=sizeof(RingBuffer); // minimum packet size=4 if (num < 4) return 0; // valid response types: 01xxxxx 10.. 11.. // therefore: 00xxxxxx is invalid if (byte(0)>>6 == 0) goto GARBAGE; // valid command length is 0 to 16 if (byte(1) > 16) goto GARBAGE; // all bytes available? size=byte(1); if (num < size+4) return 0; // check CRC for (n=0; n<size+4; n++) buffer[n]=byte(n); crc = CRC(buffer, size+2, 0xffff); if (LSB(crc) != byte(size+2)) goto GARBAGE; if (MSB(crc) != byte(size+3)) goto GARBAGE; // process packet Packet.type = buffer[0]; Packet.size = size; memcpy(Packet.data, buffer+2, size); Packet.data[size]='\0'; // trailing zero // increment read pointer RingRPos += size+4; if (RingRPos >= sizeof(RingBuffer)) RingRPos -= sizeof(RingBuffer); // a packet arrived return 1; GARBAGE: debug ("dropping garbage byte %d", byte(0)); RingRPos++; if (RingRPos>=sizeof(RingBuffer)) RingRPos=0; continue; } // not reached return 0; } static void drv_CF_timer (void *notused) { while (drv_CF_poll()) { drv_CF_process_packet(); } } static void drv_CF_send (int cmd, int len, char *data) { unsigned char buffer[22]; unsigned short crc; if (len > Payload) { error ("%s: internal error: packet length %d exceeds payload size %d", Name, len, Payload); len=sizeof(buffer)-1; } buffer[0]=cmd; buffer[1]=len; memcpy (buffer+2, data, len); crc = CRC(buffer, len+2, 0xffff); buffer[len+2] = LSB(crc); buffer[len+3] = MSB(crc); #if 0 debug ("Tx Packet %d len=%d", buffer[0], buffer[1]); #endif drv_generic_serial_write (buffer, len+4); } static void drv_CF_write1 (int row, int col, unsigned char *data, int len) { char cmd[3]="\021xy"; // set cursor position if (row==0 && col==0) { drv_generic_serial_write ("\001", 1); // cursor home } else { cmd[1]=(char)col; cmd[2]=(char)row; drv_generic_serial_write (cmd, 3); } drv_generic_serial_write (data, len); } static void drv_CF_write2 (int row, int col, unsigned char *data, int len) { // limit length if (col+len>16) len=16-col; if (len<0) len=0; // sanity check if (row>=2 || col+len>16) { error ("%s: internal error: write outside linebuffer bounds!", Name); return; } memcpy (Line+16*row+col, data, len); drv_CF_send (7+row, 16, Line+16*row); } static void drv_CF_write3 (int row, int col, unsigned char *data, int len) { char cmd[23]; // limit length if (col + len > 20) len = 20 - col; if (len < 0) len = 0; // sanity check if (row >= 2 || col + len > 20) { error ("%s: internal error: write outside display bounds!", Name); return; } cmd[0] = col; cmd[1] = row; memcpy (cmd+2, data, len); drv_CF_send (31, len+2, cmd); } static void drv_CF_defchar1 (int ascii, unsigned char *matrix) { int i; char cmd[10]="\031n"; // set custom char bitmap // user-defineable chars start at 128, but are defined at 0 cmd[1]=(char)(ascii-CHAR0); for (i = 0; i < 8; i++) { cmd[i+2] = matrix[i] & 0x3f; } drv_generic_serial_write (cmd, 10); } static void drv_CF_defchar23 (int ascii, unsigned char *matrix) { int i; char buffer[9]; // user-defineable chars start at 128, but are defined at 0 buffer[0] = (char)(ascii-CHAR0); // clear bit 6 and 7 of the bitmap (blinking) for (i = 0; i < 8; i++) { buffer[i+1] = matrix[i] & 0x3f; } drv_CF_send (9, 9, buffer); } static int drv_CF_contrast (int contrast) { static unsigned char Contrast=0; char buffer[2]; // -1 is used to query the current contrast if (contrast == -1) return Contrast; if (contrast < 0 ) contrast = 0; if (contrast > 255) contrast = 255; Contrast=contrast; switch (Protocol) { case 1: // contrast range 0 to 100 if (Contrast > 100) Contrast = 100; buffer[0] = 15; // Set LCD Contrast buffer[1] = Contrast; drv_generic_serial_write (buffer, 2); break; case 2: // contrast range 0 to 50 if (Contrast > 50) Contrast = 50; drv_CF_send (13, 1, &Contrast); break; case 3: // contrast range 0 to 255 drv_CF_send (13, 1, &Contrast); break; } return Contrast; } static int drv_CF_backlight (int backlight) { static unsigned char Backlight=0; char buffer[2]; // -1 is used to query the current backlight if (backlight == -1) return Backlight; if (backlight<0 ) backlight=0; if (backlight>100) backlight=100; Backlight=backlight; switch (Protocol) { case 1: buffer[0] = 14; // Set LCD Backlight buffer[1] = Backlight; drv_generic_serial_write (buffer, 2); break; case 2: case 3: buffer[0] = Backlight; drv_CF_send (14, 1, &Backlight); break; } return Backlight; } static int drv_CF_fan_pwm (int fan, int power) { static unsigned char PWM[4] = {100,}; // sanity check if (fan<1 || fan>4) return -1; // fan ranges from 1 to 4 fan--; // -1 is used to query the current power if (power == -1) return PWM[fan]; if (power<0 ) power=0; if (power>100) power=100; PWM[fan]=power; switch (Protocol) { case 2: drv_CF_send (17, 4, PWM); break; } return PWM[fan]; } static int drv_CF_autodetect (void) { int i, m; // only autodetect newer displays if (Protocol<2) return -1; // read display type drv_CF_send (1, 0, NULL); i=0; while (1) { // wait 10 msec usleep(10*1000); // packet available? if (drv_CF_poll()) { // display type if (Packet.type==0x41) { char t[7], c; float h, v; info ("%s: display identifies itself as '%s'", Name, Packet.data); if (sscanf(Packet.data, "%6s:h%f,%c%f", t, &h, &c, &v)!=4) { error ("%s: error parsing display identification string", Name); return -1; } info ("%s: display type '%s', hardware version %3.1f, firmware version %c%3.1f", Name, t, h, c, v); if (strncmp(t, "CFA", 3)==0) { for (m=0; Models[m].type!=-1; m++) { // omit the 'CFA' if (strcasecmp(Models[m].name, t+3)==0) return m; } } error ("%s: display type '%s' may be not supported!", Name, t); return -1; } drv_CF_process_packet(); } // wait no longer than 300 msec if (++i > 30) { error ("%s: display detection timed out", Name); return -1; } } // not reached return -1; } static char* drv_CF_print_ROM (void) { static char buffer[17]; snprintf(buffer, sizeof(buffer), "0x%02x%02x%02x%02x%02x%02x%02x%02x", Packet.data[1], Packet.data[2], Packet.data[3], Packet.data[4], Packet.data[5], Packet.data[6], Packet.data[7], Packet.data[8]); return buffer; } static int drv_CF_scan_DOW (unsigned char index) { int i; // Read DOW Device Information drv_CF_send (18, 1, &index); i=0; while (1) { // wait 10 msec usleep(10*1000); // packet available? if (drv_CF_poll()) { // DOW Device Info if (Packet.type==0x52) { switch (Packet.data[1]) { case 0x00: // no device found return 0; case 0x22: info ("%s: 1-Wire device #%d: DS1822 temperature sensor found at %s", Name, Packet.data[0], drv_CF_print_ROM()); return 1; case 0x28: info ("%s: 1-Wire device #%d: DS18B20 temperature sensor found at %s", Name, Packet.data[0], drv_CF_print_ROM()); return 1; default: info ("%s: 1-Wire device #%d: unknown device found at %s", Name, Packet.data[0], drv_CF_print_ROM()); return 0; } } else { drv_CF_process_packet(); } } // wait no longer than 300 msec if (++i > 30) { error ("%s: 1-Wire device #%d detection timed out", Name, index); return -1; } } // not reached return -1; } // clear display static void drv_CF_clear (void) { switch (Protocol) { case 1: drv_generic_serial_write ("\014", 1); break; case 2: case 3: drv_CF_send ( 6, 0, NULL); break; } } // init sequences for 626, 632, 634, 636 static void drv_CF_start_1 (void) { drv_generic_serial_write ("\014", 1); // Form Feed (Clear Display) drv_generic_serial_write ("\004", 1); // hide cursor drv_generic_serial_write ("\024", 1); // scroll off drv_generic_serial_write ("\030", 1); // wrap off } // init sequences for 633 static void drv_CF_start_2 (void) { int i; unsigned long mask; char buffer[4]; // Clear Display drv_CF_send ( 6, 0, NULL); // Set LCD Cursor Style buffer[0] = 0; drv_CF_send (12, 1, buffer); // enable Fan Reporting buffer[0] = 15; drv_CF_send (16, 1, buffer); // Set Fan Power to 100% buffer[0] = buffer[1] = buffer[2] = buffer[3] = 100; drv_CF_send (17, 4, buffer); // Read DOW Device Information mask = 0; for (i = 0; i < 32; i++) { if (drv_CF_scan_DOW(i) == 1) { mask |= 1<<i; } } // enable Temperature Reporting buffer[0] = mask & 0xff; buffer[1] = (mask>>8) & 0xff; buffer[2] = (mask>>16) & 0xff; buffer[3] = (mask>>24) & 0xff; drv_CF_send (19, 4, buffer); } // init sequences for 631 static void drv_CF_start_3 (void) { char buffer[1]; // Clear Display drv_CF_send ( 6, 0, NULL); // Set LCD Cursor Style buffer[0] = 0; drv_CF_send (12, 1, buffer); } static int drv_CF_start (char *section) { int i; char *model; model=cfg_get(section, "Model", NULL); if (model!=NULL && *model!='\0') { for (i=0; Models[i].type!=-1; i++) { if (strcasecmp(Models[i].name, model)==0) break; } if (Models[i].type==-1) { error ("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source()); return -1; } Model = i; Protocol = Models[Model].protocol; info ("%s: using model '%s'", Name, Models[Model].name); } else { Model = -1; Protocol = 2; //auto-detect only newer displays info ("%s: no '%s.Model' entry from %s, auto-detecting", Name, section, cfg_source()); } // open serial port if (drv_generic_serial_open(section, Name, 0)<0) return -1; // Fixme: why such a large delay? usleep(350*1000); // display autodetection i=drv_CF_autodetect(); if (Model==-1) Model=i; if (Model==-1) { error ("%s: auto-detection failed, please specify a '%s.Model' entry in %s", Name, section, cfg_source()); return -1; } if (i!=-1 && Model!=i) { error ("%s: %s.Model '%s' from %s does not match detected model '%s'", Name, section, model, cfg_source(), Models[i].name); return -1; } // initialize global variables DROWS = Models[Model].rows; DCOLS = Models[Model].cols; GPOS = Models[Model].gpos; Protocol = Models[Model].protocol; Payload = Models[Model].payload; switch (Protocol) { case 1: drv_CF_start_1(); break; case 2: // regularly process display answers // Fixme: make 100msec configurable timer_add (drv_CF_timer, NULL, 100, 0); drv_CF_start_2(); // clear 633 linebuffer memset (Line, ' ', sizeof(Line)); break; case 3: // regularly process display answers // Fixme: make 100msec configurable timer_add (drv_CF_timer, NULL, 100, 0); drv_CF_start_3(); break; } // set contrast if (cfg_number(section, "Contrast", 0, 0, 255, &i)>0) { drv_CF_contrast(i); } // set backlight if (cfg_number(section, "Backlight", 0, 0, 100, &i)>0) { drv_CF_backlight(i); } return 0; } // **************************************** // *** plugins *** // **************************************** static void plugin_contrast (RESULT *result, int argc, RESULT *argv[]) { double contrast; switch (argc) { case 0: contrast = drv_CF_contrast(-1); SetResult(&result, R_NUMBER, &contrast); break; case 1: contrast = drv_CF_contrast(R2N(argv[0])); SetResult(&result, R_NUMBER, &contrast); break; default: error ("%s.contrast(): wrong number of parameters", Name); SetResult(&result, R_STRING, ""); } } static void plugin_backlight (RESULT *result, int argc, RESULT *argv[]) { double backlight; switch (argc) { case 0: backlight = drv_CF_backlight(-1); SetResult(&result, R_NUMBER, &backlight); break; case 1: backlight = drv_CF_backlight(R2N(argv[0])); SetResult(&result, R_NUMBER, &backlight); break; default: error ("%s.backlight(): wrong number of parameters"); SetResult(&result, R_STRING, ""); } } static void plugin_fan_pwm (RESULT *result, int argc, RESULT *argv[]) { double pwm; switch (argc) { case 1: pwm = drv_CF_fan_pwm(R2N(argv[0]), -1); SetResult(&result, R_NUMBER, &pwm); break; case 2: pwm = drv_CF_fan_pwm(R2N(argv[0]), R2N(argv[1])); SetResult(&result, R_NUMBER, &pwm); break; default: error ("%s.pwm(): wrong number of parameters"); SetResult(&result, R_STRING, ""); } } // Fixme: other plugins for Fans, Temperature sensors, ... // **************************************** // *** 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_CF_list (void) { int i; for (i=0; Models[i].type!=-1; i++) { printf ("%s ", Models[i].name); } return 0; } // initialize driver & display int drv_CF_init (char *section, int quiet) { WIDGET_CLASS wc; int ret; // start display if ((ret = drv_CF_start (section)) != 0) { return ret; } // display preferences XRES = 6; // pixel width of one char YRES = 8; // pixel height of one char CHARS = 8; // number of user-defineable characters // real worker functions switch (Protocol) { case 1: CHAR0 = 128; // ASCII of first user-defineable char GOTO_COST = 3; // number of bytes a goto command requires drv_generic_text_real_write = drv_CF_write1; drv_generic_text_real_defchar = drv_CF_defchar1; break; case 2: CHAR0 = 0; // ASCII of first user-defineable char GOTO_COST = 999; // there is no goto on 633 drv_generic_text_real_write = drv_CF_write2; drv_generic_text_real_defchar = drv_CF_defchar23; break; case 3: CHAR0 = 0; // ASCII of first user-defineable char GOTO_COST = 3; // number of bytes a goto command requires drv_generic_text_real_write = drv_CF_write3; drv_generic_text_real_defchar = drv_CF_defchar23; break; } if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %s", Name, Models[Model].name); if (drv_generic_text_greet (buffer, "www.crystalfontz.com")) { sleep (3); drv_CF_clear(); } } // 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 drv_generic_text_bar_add_segment (0, 0, 255, 32); // ASCII 32 = blank if (Protocol==2) 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::contrast", -1, plugin_contrast); AddFunction ("LCD::backlight", -1, plugin_backlight); if (Protocol == 2) { AddFunction ("LCD::fan_pwm", -1, plugin_fan_pwm); } return 0; } // close driver & display int drv_CF_quit (int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); // clear display drv_CF_clear(); // say goodbye... if (!quiet) { drv_generic_text_greet ("goodbye!", NULL); } drv_generic_serial_close(); return (0); } DRIVER drv_Crystalfontz = { name: Name, list: drv_CF_list, init: drv_CF_init, quit: drv_CF_quit, };