/* $Id: drv_FW8888.c 1153 2011-07-27 05:12:30Z michael $ * $URL: https://ssl.bulix.org/svn/lcd4linux/trunk/drv_FW8888.c $ * * driver for Allnet FW8888 display * * Copyright (C) 2005 Michael Reinelt * Copyright (C) 2005, 2006, 2007 The LCD4Linux Team * Copyright (C) 2010 Linum Software GmbH * * 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_FW8888 * */ #include "config.h" #include #include #include #include #include #include "debug.h" #include "cfg.h" #include "qprintf.h" #include "udelay.h" #include "plugin.h" #include "widget.h" #include "widget_text.h" #include "widget_icon.h" #include "widget_bar.h" #include "drv.h" /* text mode display? */ #include "drv_generic_text.h" /* serial port? */ #include "drv_generic_serial.h" static char Name[] = "FW8888"; /****************************************/ /*** hardware dependant functions ***/ /****************************************/ static int drv_FW8888_open(const char *section) { /* open serial port */ /* don't mind about device, speed and stuff, this function will take care of */ if (drv_generic_serial_open(section, Name, 0) < 0) return -1; return 0; } static int drv_FW8888_close(void) { /* close whatever port you've opened */ drv_generic_serial_close(); return 0; } static void drv_FW8888_send_cmd(const unsigned int cmd) { char cmd_str[2]; cmd_str[0] = 0x10; cmd_str[1] = cmd; drv_generic_serial_write(cmd_str, 2); } static void drv_FW8888_send_text(const char *text, const unsigned int len) { unsigned int i; char cmd_str[2]; cmd_str[0] = 0x12; for (i = 0; i < len; i++) { cmd_str[1] = text[i]; drv_generic_serial_write(cmd_str, 2); } } /* text mode displays only */ static void drv_FW8888_clear(void) { drv_FW8888_send_cmd(0x01); } static void __attribute__ ((unused)) drv_FW8888_home(void) { drv_FW8888_send_cmd(0x02); } static void __attribute__ ((unused)) drv_FW8888_display_off(void) { drv_FW8888_send_cmd(0x08); } static void __attribute__ ((unused)) drv_FW8888_display_on_cursor_off(void) { drv_FW8888_send_cmd(0x0C); } static void __attribute__ ((unused)) drv_FW8888_display_on_cursor_on(void) { drv_FW8888_send_cmd(0x0E); } static void __attribute__ ((unused)) drv_FW8888_backlight_off(void) { drv_FW8888_send_cmd(0x38); } static void __attribute__ ((unused)) drv_FW8888_backlight_on(void) { drv_FW8888_send_cmd(0x39); } static void drv_FW8888_set_cursor(int row, int col) { int pos; switch (row) { case 0: pos = 0x80 + col; break; case 1: pos = 0xC0 + col; break; default: error("%s: invalid row(%d) or col(%d)", Name, row, col); return; } drv_FW8888_send_cmd(pos); } /* text mode displays only */ static void drv_FW8888_write(const int row, const int col, const char *data, int len) { /* do the cursor positioning here */ drv_FW8888_set_cursor(row, col); /* send string to the display */ drv_FW8888_send_text(data, len); } /* start text mode display */ static int drv_FW8888_start(const char *section) { /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 8; /* pixel height of one char */ CHARS = 0; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ DROWS = 2; DCOLS = 16; GOTO_COST = -1; /* number of bytes a goto command requires */ /* open communication with the display */ if (drv_FW8888_open(section) < 0) { return -1; } drv_FW8888_clear(); /* clear display */ return 0; } /****************************************/ /*** plugins ***/ /****************************************/ /* none */ /****************************************/ /*** widget callbacks ***/ /****************************************/ /* using drv_generic_text_draw(W) */ /* using drv_generic_text_icon_draw(W) */ /* using drv_generic_text_bar_draw(W) */ /* using drv_generic_gpio_draw(W) */ /****************************************/ /*** exported functions ***/ /****************************************/ /* list models */ int drv_FW8888_list(void) { printf("Allnet-FW8888"); return 0; } /* initialize driver & display */ /* use this function for a text display */ int drv_FW8888_init(const char *section, const int quiet) { WIDGET_CLASS wc; int ret; info("%s: %s", Name, "$Rev: 1153 $"); /* display preferences */ XRES = 5; /* pixel width of one char */ YRES = 7; /* pixel height of one char */ CHARS = 0; /* number of user-defineable characters */ CHAR0 = 0; /* ASCII of first user-defineable char */ /* real worker functions */ drv_generic_text_real_write = drv_FW8888_write; /* start display */ if ((ret = drv_FW8888_start(section)) != 0) return ret; if (!quiet) { char buffer[40]; qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); if (drv_generic_text_greet(buffer, "www.linum.com")) { sleep(3); drv_FW8888_clear(); } } /* initialize generic text driver */ if ((ret = drv_generic_text_init(section, Name)) != 0) return ret; /* register text widget */ wc = Widget_Text; wc.draw = drv_generic_text_draw; widget_register(&wc); /* register plugins */ // AddFunction("LCD::contrast", 1, plugin_contrast); return 0; } /* close driver & display */ /* use this function for a text display */ int drv_FW8888_quit(const int quiet) { info("%s: shutting down.", Name); drv_generic_text_quit(); /* clear display */ drv_FW8888_clear(); /* say goodbye... */ if (!quiet) { drv_generic_text_greet("goodbye!", NULL); } debug("closing connection"); drv_FW8888_close(); return (0); } /* use this one for a text display */ DRIVER drv_FW8888 = { .name = Name, .list = drv_FW8888_list, .init = drv_FW8888_init, .quit = drv_FW8888_quit, };