diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Noritake.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Noritake.c.svn-base | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Noritake.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Noritake.c.svn-base deleted file mode 100644 index 6287736d..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Noritake.c.svn-base +++ /dev/null @@ -1,389 +0,0 @@ -/* $Id$ - * $URL$ - * - * Driver for a Noritake GU128x32-311 graphical display. - * - * Copyright (C) 2005 Julien Aube <ob@obconseil.net> - * 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. - * - */ - -/* - * *** Noritake Itron GU128x32-311 *** - * A 128x32 VFD (Vacuum Fluorescent Display). - * It is driver by a Hitachi microcontroller, with a specific - * firmware. - * The datasheet can be easily found on the internet by searching for the - * the name of the display, it's a PDF file that describe the timing, and - * the protocol to communicate with the Hitachi microcontroller. - * - * The display support 2 modes (that can be mutiplexed), one text mode - * thanks to an integrated character generator, and provide 4 lines of - * 21 caracters. - * There is also a graphical mode that can be used to switch on or off - * each one if the 128x32 pixels. (monochrome). - * - * The protocol include the possibility to clear the display memory quickly, - * change the luminosity, swich the display on or off (without affecting the - * content of the memory) and finally change the "page" or the caracter - * generator. Two pages are available in the ROM, all the characters are - * listed in the documentation. - * - * This driver support only the character mode at the moment. - * A future release will support the graphical mode as an option. - * - * This driver is released under the GPL. - */ - -/* - * - * exported fuctions: - * - * struct DRIVER drv_Noritake - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <unistd.h> -#include <string.h> - -#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 "udelay.h" -#include "drv_generic_text.h" -#include "drv_generic_parport.h" - - -static char Name[] = "Noritake"; - -typedef struct { - int type; - char *name; - int rows; - int cols; - int xres; - int yrex; - int goto_cost; - int protocol; -} MODEL; - -static int Model, Protocol; -static MODEL Models[] = { - {0x01, "GU311", 4, 21, 6, 8, 5, 1}, - {0x02, "GU311_Graphic", 4, 21, 6, 8, 6, 1}, - {0xff, "Unknown", -1, -1, -1, -1, -1, -1} -}; - -static unsigned char SIGNAL_CS; /* Chip select, OUTPUT, negative logic, pport AUTOFEED */ -static unsigned char SIGNAL_WR; /* Write OUTPUT, negative logic, pport STOBE */ -static unsigned char SIGNAL_RESET; /* Reset, OUTPUT, negative logic, pport INIT */ -static unsigned char SIGNAL_BLANK; /* Blank, OUTPUT , negative logic, pport SELECT-IN */ - -#if 0 -static unsigned char SIGNAL_BUSY; /* Busy, INPUT , positive logic, pport BUSY, not used */ -static unsigned char SIGNAL_FRP; /* Frame Pulse, INPUT , positive logic, pport ACK, not used */ -#endif - -void (*drv_Noritake_clear) (void); - -/* Data port is positive logic */ - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -/* Low-level parport driving functions */ - -/* This function was used to pool the BUSY line on the parallel port, which -can be linked to the BUSY line on the display. But since it works -with a timed wait, this function is not necessary, and is kept just in case.*/ -#if 0 -static void drv_GU311_wait_busy(void) -{ - char c; - - c = drv_generic_parport_status(); - while ((c & SIGNAL_BUSY) == 0) { - ndelay(200); /* Wait 100ns before next consultation of BUSY line - if the first one was not successful */ - c = drv_generic_parport_status(); - } -} -#endif - - -static void drv_GU311_send_char(char c) -{ -#if 0 - /* Disabled because all the cables does not have the busy line linked. */ - drv_GU311_wait_busy(); /* ensuite the display is ready to take the command */ -#endif - drv_generic_parport_data(c); - ndelay(30); /* delay to ensure data line stabilisation on long cables */ - drv_generic_parport_control(SIGNAL_WR, 0); /* write line to enable */ - ndelay(150); /* data hold time */ - drv_generic_parport_control(SIGNAL_WR, 0xff); /* write line to disable */ - ndelay(75); /* From spec : minimum time before next command */ -} - -static void drv_GU311_send_string(char *str, int size) -{ - int i; - for (i = 0; i < size; i++) - drv_GU311_send_char(str[i]); - -} - -/* Command-string elaboration functions */ -static void drv_GU311_make_text_string(const int row, const int col, const char *data, int len) -{ - static char cmd[96] = { 0x01, 'C', 0, 0, 'S', 0 }; - unsigned char start_addr; - - /* Cols are 0x00..0x15, on 4 lines. */ - start_addr = (0x16 * row) + col; - if (start_addr > 0x57) - return; - if (len > 0x57) - return; - - cmd[2] = start_addr; - cmd[3] = len; - - memcpy(cmd + 5, data, len); - - drv_GU311_send_string(cmd, len + 5); - -} - -/* API functions */ - -static void drv_GU311_clear(void) -{ - static char clear_cmd[] = { 0x01, 'O', 'P' }; - drv_GU311_send_string(clear_cmd, sizeof(clear_cmd)); - ndelay(500); /* Delay for execution - this command is the longuest */ -} - - -static void drv_GU311_write(const int row, const int col, const char *data, int len) -{ - drv_GU311_make_text_string(row, col, data, len); -} - - -static void drv_GU311_reset(void) -{ - drv_generic_parport_control(SIGNAL_RESET, 0); /* initiate reset */ - ndelay(1000); /* reset hold time 1ms */ - drv_generic_parport_control(SIGNAL_RESET, 0xff); - ndelay(200000); /* reset ready time 200ms */ - -} - - -static int drv_GU311_start(const char *section) -{ - char cmd[3] = { 0x01, 'O' }; - - /* Parallel port opening and association */ - if (drv_generic_parport_open(section, Name) < 0) - return -1; - if ((SIGNAL_CS = drv_generic_parport_wire_ctrl("CS", "AUTOFD")) == 0xff) - return -1; - if ((SIGNAL_WR = drv_generic_parport_wire_ctrl("WR", "STROBE")) == 0xff) - return -1; - if ((SIGNAL_RESET = drv_generic_parport_wire_ctrl("RESET", "INIT")) == 0xff) - return -1; - if ((SIGNAL_BLANK = drv_generic_parport_wire_ctrl("BLANK", "SLCTIN")) == 0xff) - return -1; - /* SIGNAL_BUSY=PARPORT_STATUS_BUSY; *//* Not currently needed */ - /* SIGNAL_FRP=PARPORT_STATUS_ACK; *//* Not currently needed */ - - /* Signals configuration */ - drv_generic_parport_direction(0); /* parallel port in output mode */ - drv_generic_parport_control(SIGNAL_CS | SIGNAL_WR | SIGNAL_RESET | SIGNAL_BLANK, 0xff); - /* All lines to "deactivate", -> 1 level on the wire */ - drv_generic_parport_control(SIGNAL_CS, 0); /* CS to 0 all the time, write done by WR */ - drv_GU311_reset(); - - /* Ready for commands from now on. */ - - /* Display configuration */ - cmd[2] = '0'; - drv_GU311_send_string(cmd, sizeof(cmd)); /* Select char. page 0 */ - cmd[2] = 'Q'; - drv_GU311_send_string(cmd, sizeof(cmd)); /* Select 'Quick Mode' */ - cmd[2] = 'a'; - drv_GU311_send_string(cmd, sizeof(cmd)); /* Brightness at 100% */ - cmd[2] = 'T'; - drv_GU311_send_string(cmd, sizeof(cmd)); /* Ensure display ON */ - - drv_Noritake_clear(); - return 0; -} - - - -static int drv_Noritake_start(const char *section) -{ - char *model = 0; - int i; - model = cfg_get(section, "Model", NULL); - if (model != NULL && *model != '\0') { - for (i = 0; Models[i].type != 0xff; i++) { - if (strcasecmp(Models[i].name, model) == 0) - break; - } - if (Models[i].type == 0xff) { - error("%s: %s.Model '%s' is unknown from %s", Name, section, model, cfg_source()); - return -1; - } - Model = i; - info("%s: using model '%s'", Name, Models[Model].name); - } else { - error("%s: no '%s.Model' entry from %s", Name, section, cfg_source()); - return -1; - } - - DROWS = Models[Model].rows; - DCOLS = Models[Model].cols; - XRES = Models[Model].xres; - YRES = Models[Model].xres; - GOTO_COST = Models[Model].goto_cost; - Protocol = Models[Model].protocol; - /* display preferences */ - CHARS = 0; /* number of user-defineable characters */ - CHAR0 = 0; /* ASCII of first user-defineable char */ - - - - /* real worker functions */ - drv_Noritake_clear = drv_GU311_clear; - if (Models[Model].type == 0x01) { - drv_generic_text_real_write = drv_GU311_write; - } else { - error("%s: Unsupported display. Currently supported are : GU311.", Name); - return -1; - } - return drv_GU311_start(section); -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -/* none */ - - -/****************************************/ -/*** widget callbacks ***/ -/****************************************/ - - -/* using drv_generic_text_draw(W) */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_Noritake_list(void) -{ - printf("GU311 GU311_Graphic"); - return 0; -} - - -/* initialize driver & display */ -int drv_Noritake_init(const char *section, const int quiet) -{ - WIDGET_CLASS wc; - int ret; - - info("%s: %s", Name, "$Rev$"); - - /* start display */ - if ((ret = drv_Noritake_start(section)) != 0) - return ret; - - /* 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 */ - /* none */ - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); - if (drv_generic_text_greet(buffer, NULL)) { - sleep(3); - drv_Noritake_clear(); - } - } - - return 0; -} - - -/* close driver & display */ -int drv_Noritake_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - /* clear display */ - drv_Noritake_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - drv_generic_parport_close(); - drv_generic_text_quit(); - return (0); -} - - -DRIVER drv_Noritake = { - .name = Name, - .list = drv_Noritake_list, - .init = drv_Noritake_init, - .quit = drv_Noritake_quit, -}; |