/* $Id$ * $URL$ * * driver for the LCDTerm serial-to-HD44780 adapter boards * http://www.bobblick.com/techref/projects/lcdterm/lcdterm.html * * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005 The LCD4Linux Team * * 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. * */ /* * * exported fuctions: * * struct DRIVER drv_LCDTerm * */ #include "config.h" #include #include #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" #include "drv_generic_serial.h" #define LCD_CLEAR 0x03 #define LCD_CMD 0x12 #define LCD_DATA 0x14 static char Name[] = "LCDTerm"; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_LT_clear(void) { char cmd[1]; cmd[0] = LCD_CLEAR; /* clear display */ drv_generic_serial_write(cmd, 1); /* clear screen */ } static int drv_LT_send(const char request, const char value) { char buf[2]; buf[0] = request; buf[1] = value; drv_generic_serial_write(buf, 2); return 0; } static void drv_LT_command(const char cmd) { drv_LT_send(LCD_CMD, cmd); } static void drv_LT_write(const int row, const int col, const char *data, int len) { 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; } drv_LT_command(0x80 | pos); while (len--) { drv_LT_send(LCD_DATA, *data++); } } static void drv_LT_defchar(const int ascii, const unsigned char *matrix) { int i; drv_LT_command(0x40 | 8 * ascii); for (i = 0; i < 8; i++) { drv_LT_send(LCD_DATA, *matrix++ & 0x1f); } } static int drv_LT_start(const char *section, const int quiet) { int rows = -1, cols = -1; char *s; if (drv_generic_serial_open(section, Name, 0) < 0) return -1; 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; /* initialize display */ drv_LT_command(0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ drv_LT_command(0x08); /* Display off, cursor off, blink off */ drv_LT_command(0x0c); /* Display

# Funciona correctamente en Santa Cruz de Tenerife (25-09-2010)
# 
# Revisada y corregida por el Grupo de Usuarios de Linux de Canarias
# http://www.gulic.org
#
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 490000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C23
T 498000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C24
T 514000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C26
T 538000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C29
T 666000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C45
T 754000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C56
T 778000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C59
T 786000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C60
T 834000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C66
T 842000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C67
T 850000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C68
T 858000000 8MHz 2/3 NONE QAM64 8k 1/4 NONE    # C69