lcd4linux.git - lcd4linux

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/* $Id$ * $URL$ * * driver for serdisplib displays * * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.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. * */ /* * * exported fuctions: * * struct DRIVER drv_serdisplib * */ #include "config.h" #include "debug.h" // verbose_level #include <stdlib.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include <serdisplib/serdisp.h> /* Fixme: This should be removed as soon as serdisp.h * contains this macros */ #ifndef SERDISP_VERSION_GET_MAJOR #define SERDISP_VERSION_GET_MAJOR(_c) ((int)( (_c) >> 8 )) #define SERDISP_VERSION_GET_MINOR(_c) ((int)( (_c) & 0xFF )) #endif #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "plugin.h" #include "drv.h" #include "drv_generic_graphic.h" #ifdef WITH_DMALLOC #include <dmalloc.h> #endif static char Name[] = "serdisplib"; static serdisp_CONN_t *sdcd; static serdisp_t *dd; int NUMCOLS = 1; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static void drv_SD_blit(const int row, const int col, const int height, const int width) { int r, c; RGBA p; for (r = row; r < row + height; r++) { for (c = col; c < col + width; c++) { p = drv_generic_graphic_rgb(r, c); // printf("blit (%d,%d) A%d.R%d.G%d.B%d\n", c, r, p.A, p.R, p.G, p.B); serdisp_setcolour(dd, c, r, serdisp_pack2ARGB(0xff, p.R, p.G, p.B)); } } serdisp_update(dd); } static int drv_SD_contrast(int contrast) { if (contrast < 0) contrast = 0; if (contrast > MAX_CONTRASTSTEP) contrast = MAX_CONTRASTSTEP; serdisp_feature(dd, FEATURE_CONTRAST, contrast); return contrast; } static int drv_SD_backlight(int backlight) { if (backlight < FEATURE_NO) backlight = FEATURE_NO; if (backlight > FEATURE_YES) backlight = FEATURE_YES; serdisp_feature(dd, FEATURE_BACKLIGHT, backlight); return backlight; } static int drv_SD_reverse(int reverse) { if (reverse < FEATURE_NO) reverse = FEATURE_NO; if (reverse > FEATURE_YES) reverse = FEATURE_YES; serdisp_feature(dd, FEATURE_REVERSE, reverse); return reverse; } static int drv_SD_rotate(int rotate) { if (rotate < 0) rotate = 0; if (rotate > 3) rotate = 3; serdisp_feature(dd, FEATURE_ROTATE, rotate); return rotate; } static int drv_SD_start(const char *section) { long version; char *port, *model, *options, *s; int contrast, backlight, reverse, rotate; version = serdisp_getversioncode(); info("%s: header version %d.%d", Name, SERDISP_VERSION_MAJOR, SERDISP_VERSION_MINOR); info("%s: library version %d.%d", Name, SERDISP_VERSION_GET_MAJOR(version), SERDISP_VERSION_GET_MINOR(version)); port = cfg_get(section, "Port", NULL); if (port == NULL || *port == '\0') { error("%s: no '%s.Port' entry from %s", Name, section, cfg_source()); return -1; } /* opening the output device */ sdcd = SDCONN_open(port); if (sdcd == NULL) { error("%s: open(%s) failed: %s", Name, port, sd_geterrormsg()); return -1; } model = cfg_get(section, "Model", ""); if (model == NULL || *model == '\0') { error("%s: no '%s.Model' entry from %s", Name, section, cfg_source()); return -1; } info("%s: using model '%s'", Name, model); options = cfg_get(section, "Options", ""); info("%s: using options '%s'", Name, options); /* opening and initialising the display */ dd = serdisp_init(sdcd, model, options); if (dd == NULL) { error("%s: init(%s, %s, %s) failed: %s", Name, port, model, options, sd_geterrormsg()); SDCONN_close(sdcd); return -1; } DROWS = serdisp_getheight(dd); DCOLS = serdisp_getwidth(dd); NUMCOLS = serdisp_getcolours(dd); info("%s: display size %dx%d, %d colors", Name, DCOLS, DROWS, NUMCOLS); XRES = -1; YRES = -1; s = cfg_get(section, "Font", "6x8"); if (s == NULL || *s == '\0') { error("%s: no '%s.Font' entry from %s", Name, section, cfg_source()); return -1; } if (sscanf(s, "%dx%d", &XRES, &YRES) != 2 || XRES < 1 || YRES < 1) { error("%s: bad Font '%s' from %s", Name, s, cfg_source()); return -1; } /* Fixme: provider other fonts someday... */ if (XRES != 6 && YRES != 8) { error("%s: bad Font '%s' from %s (only 6x8 at the moment)", Name, s, cfg_source()); return -1; } /* clear display */ serdisp_clear(dd); if (cfg_number(section, "Contrast", 0, 0, MAX_CONTRASTSTEP, &contrast) > 0) { drv_SD_contrast(contrast); } if (cfg_number(section, "Backlight", 0, 0, 1, &backlight) > 0) { drv_SD_backlight(backlight); } if (cfg_number(section, "Reverse", 0, 0, 1, &reverse) > 0) { drv_SD_reverse(reverse); } if (cfg_number(section, "Rotate", 0, 0, 3, &rotate) > 0) { drv_SD_rotate(rotate); } return 0; } /****************************************/ /*** plugins ***/ /****************************************/ static void plugin_contrast(RESULT * result, RESULT * arg1) { double contrast; contrast = drv_SD_contrast(R2N(arg1)); SetResult(&result, R_NUMBER, &contrast); } static void plugin_backlight(RESULT * result, RESULT * arg1) { double backlight; backlight = drv_SD_backlight(R2N(arg1)); SetResult(&result, R_NUMBER, &backlight); } static void plugin_reverse(RESULT * result, RESULT * arg1) { double reverse; reverse = drv_SD_reverse(R2N(arg1)); SetResult(&result, R_NUMBER, &reverse); } static void plugin_rotate(RESULT * result, RESULT * arg1) { double rotate; rotate = drv_SD_rotate(R2N(arg1)); SetResult(&result, R_NUMBER, &rotate); } /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_SD_list(void) { serdisp_display_t displaydesc; if (verbose_level > 0) { printf(" version %i.%i, supported displays:\n", SERDISP_VERSION_GET_MAJOR(SERDISP_VERSION_CODE), SERDISP_VERSION_GET_MINOR(SERDISP_VERSION_CODE)); displaydesc.dispname = ""; printf(" display name alias names description\n"); printf(" --------------- -------------------- -----------------------------------\n"); while (serdisp_nextdisplaydescription(&displaydesc)) { printf(" %-15s %-20s %-35s\n", displaydesc.dispname, displaydesc.aliasnames, displaydesc.description); } } else { displaydesc.dispname = ""; while (serdisp_nextdisplaydescription(&displaydesc)) { printf("%s ", displaydesc.dispname); } printf("\n (use -vl to see detailed list of serdisplib)"); } return 0; } /* initialize driver & display */ int drv_SD_init(const char *section, const int quiet) { int ret; info("%s: %s", Name, "$Rev$"); /* real worker functions */ drv_generic_graphic_real_blit = drv_SD_blit; /* start display */ if ((ret = drv_SD_start(section)) != 0) return ret; /* initialize generic graphic driver */ if ((ret = drv_generic_graphic_init(section, Name)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_graphic_greet(buffer, NULL)) { sleep(3); drv_generic_graphic_clear(); } } /* register plugins */ AddFunction("LCD::contrast", 1, plugin_contrast); AddFunction("LCD::backlight", 1, plugin_backlight); AddFunction("LCD::reverse", 1, plugin_reverse); AddFunction("LCD::rotate", 1, plugin_rotate); return 0; } /* close driver & display */ int drv_SD_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_graphic_clear(); if (!quiet) { drv_generic_graphic_greet("goodbye!", NULL); } drv_generic_graphic_quit(); serdisp_quit(dd); return (0); } DRIVER drv_serdisplib = { .name = Name, .list = drv_SD_list, .init = drv_SD_init, .quit = drv_SD_quit, };


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