From 595ed4ad9868a1c304b8eebaa2fd205546b8aff9 Mon Sep 17 00:00:00 2001 From: michael Date: Mon, 21 Jun 2010 02:07:13 +0000 Subject: driver for Allnet FW8888 from Claas Hilbrecht git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1123 3ae390bd-cb1e-0410-b409-cd5a39f66f1f --- drv_FW8888.c | 309 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 309 insertions(+) create mode 100644 drv_FW8888.c (limited to 'drv_FW8888.c') diff --git a/drv_FW8888.c b/drv_FW8888.c new file mode 100644 index 0000000..b950c01 --- /dev/null +++ b/drv_FW8888.c @@ -0,0 +1,309 @@ +/* $Id$ + * $URL$ + * + * 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 drv_FW8888_home(void) +{ + drv_FW8888_send_cmd(0x02); +} + +static void drv_FW8888_display_off(void) +{ + drv_FW8888_send_cmd(0x08); +} + +static void drv_FW8888_display_on_cursor_off(void) +{ + drv_FW8888_send_cmd(0x0C); +} + +static void drv_FW8888_display_on_cursor_on(void) +{ + drv_FW8888_send_cmd(0x0E); +} + +static void drv_FW8888_backlight_off(void) +{ + drv_FW8888_send_cmd(0x38); +} + +static void 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, "$Rev$"); + + /* 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, +}; -- cgit v1.2.3