diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Sample.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Sample.c.svn-base | 601 |
1 files changed, 0 insertions, 601 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Sample.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Sample.c.svn-base deleted file mode 100644 index 45a8f6ae..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Sample.c.svn-base +++ /dev/null @@ -1,601 +0,0 @@ -/* $Id$ - * $URL$ - * - * sample lcd4linux driver - * - * Copyright (C) 2005 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2005, 2006, 2007 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_Sample - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <unistd.h> -#include <string.h> -#include <errno.h> - -#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" - -/* graphic display? */ -#include "drv_generic_graphic.h" - -/* GPO's? */ -#include "drv_generic_gpio.h" - -/* serial port? */ -#include "drv_generic_serial.h" - -/* parallel port? */ -#include "drv_generic_parport.h" - -/* i2c bus? */ -#ifdef WITH_I2C -#include "drv_generic_i2c.h" -#endif - - -static char Name[] = "Sample"; - - -/* for parallel port displays only */ -/* use whatever lines you need */ -static unsigned char SIGNAL_RS; -static unsigned char SIGNAL_EX; - - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -/* low-level parallel port stuff */ -/* example for sending one byte over the wire */ -static void drv_Sample_bang(const unsigned int data) -{ - /* put data on DB1..DB8 */ - drv_generic_parport_data(data & 0xff); - - /* set/clear some signals */ - drv_generic_parport_control(SIGNAL_RS, SIGNAL_RS); - - /* data setup time (e.g. 200 ns) */ - ndelay(200); - - /* send byte */ - /* signal pulse width 500ns */ - drv_generic_parport_toggle(SIGNAL_EX, 1, 500); - - /* wait for command completion (e.g. 100 us) */ - udelay(100); -} - - -static int drv_Sample_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; - - - /* opening the parallel port is a bit more tricky: */ - /* you have to do all the bit-banging yourself... */ - - if (drv_generic_parport_open(section, Name) != 0) { - error("%s: could not initialize parallel port!", Name); - return -1; - } - - /* read the wiring from config */ - if ((SIGNAL_EX = drv_generic_parport_wire_ctrl("EX", "STROBE")) == 0xff) - return -1; - if ((SIGNAL_RS = drv_generic_parport_wire_ctrl("RS", "INIT")) == 0xff) - return -1; - - /* clear all signals */ - drv_generic_parport_control(SIGNAL_EX | SIGNAL_RS, 0); - - /* set direction: write */ - drv_generic_parport_direction(0); - - return 0; -} - - -static int drv_Sample_close(void) -{ - /* close whatever port you've opened */ - drv_generic_parport_close(); - drv_generic_serial_close(); - - return 0; -} - - -/* dummy function that sends something to the display */ -static void drv_Sample_send(const char *data, const unsigned int len) -{ - unsigned int i; - - /* send data to the serial port is easy... */ - drv_generic_serial_write(data, len); - - /* sending data to the parallel port is a bit more tricky... */ - for (i = 0; i < len; i++) { - drv_Sample_bang(*data++); - } -} - - -/* text mode displays only */ -static void drv_Sample_clear(void) -{ - char cmd[1]; - - /* do whatever is necessary to clear the display */ - /* assume 0x01 to be a 'clear display' command */ - cmd[0] = 0x01; - drv_Sample_send(cmd, 1); -} - - -/* text mode displays only */ -static void drv_Sample_write(const int row, const int col, const char *data, int len) -{ - char cmd[3]; - - /* do the cursor positioning here */ - /* assume 0x02 to be a 'Goto' command */ - cmd[0] = 0x02; - cmd[1] = row; - cmd[2] = col; - drv_Sample_send(cmd, 3); - - /* send string to the display */ - drv_Sample_send(data, len); - -} - -/* text mode displays only */ -static void drv_Sample_defchar(const int ascii, const unsigned char *matrix) -{ - char cmd[10]; - int i; - - /* call the 'define character' function */ - /* assume 0x03 to be the 'defchar' command */ - cmd[0] = 0x03; - cmd[1] = ascii; - - /* send bitmap to the display */ - for (i = 0; i < 8; i++) { - cmd[i + 2] = *matrix++; - } - drv_Sample_send(cmd, 10); -} - - -/* for graphic displays only */ -static void drv_Sample_blit(const int row, const int col, const int height, const int width) -{ - int r, c; - - for (r = row; r < row + height; r++) { - for (c = col; c < col + width; c++) { - /* drv_generic_graphic_black() returns 1 if pixel is black */ - /* drv_generic_graphic_gray() returns a gray value 0..255 */ - /* drv_generic_graphic_rgb() returns a RGB color */ - if (drv_generic_graphic_black(r, c)) { - /* set bit */ - } else { - /* clear bit */ - } - } - } -} - - -/* remove unless you have GPO's */ -static int drv_Sample_GPO(const int num, const int val) -{ - char cmd[4]; - - /* assume 0x42 to be the 'GPO' command */ - cmd[0] = 0x42; - cmd[1] = num; - cmd[2] = (val > 0) ? 1 : 0; - - drv_Sample_send(cmd, 3); - - return 0; -} - - -/* example function used in a plugin */ -static int drv_Sample_contrast(int contrast) -{ - char cmd[2]; - - /* adjust limits according to the display */ - if (contrast < 0) - contrast = 0; - if (contrast > 255) - contrast = 255; - - /* call a 'contrast' function */ - /* assume 0x04 to be the 'set contrast' command */ - cmd[0] = 0x04; - cmd[1] = contrast; - drv_Sample_send(cmd, 2); - - return contrast; -} - - -/* start text mode display */ -static int drv_Sample_start(const char *section) -{ - int contrast; - int rows = -1, cols = -1; - char *s; - char cmd[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; - - /* number of GPO's; remove if you don't have them */ - GPOS = 8; - - /* open communication with the display */ - if (drv_Sample_open(section) < 0) { - return -1; - } - - /* reset & initialize display */ - /* assume 0x00 to be a 'reset' command */ - cmd[0] = 0x00; - drv_Sample_send(cmd, 0); - - if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) { - drv_Sample_contrast(contrast); - } - - drv_Sample_clear(); /* clear display */ - - return 0; -} - - -/* start graphic display */ -static int drv_Sample_start2(const char *section) -{ - char *s; - char cmd[1]; - int contrast; - - /* read display size from config */ - 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; - } - - DROWS = -1; - DCOLS = -1; - if (sscanf(s, "%dx%d", &DCOLS, &DROWS) != 2 || DCOLS < 1 || DROWS < 1) { - error("%s: bad Size '%s' from %s", Name, s, cfg_source()); - return -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; - } - - XRES = -1; - YRES = -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; - } - - /* you surely want to allocate a framebuffer or something... */ - - /* open communication with the display */ - if (drv_Sample_open(section) < 0) { - return -1; - } - - /* reset & initialize display */ - /* assume 0x00 to be a 'reset' command */ - cmd[0] = 0x00; - drv_Sample_send(cmd, 1); - - if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) { - drv_Sample_contrast(contrast); - } - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -static void plugin_contrast(RESULT * result, RESULT * arg1) -{ - double contrast; - - contrast = drv_Sample_contrast(R2N(arg1)); - SetResult(&result, R_NUMBER, &contrast); -} - - -/****************************************/ -/*** 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_Sample_list(void) -{ - printf("Sample driver"); - return 0; -} - - -/* initialize driver & display */ -/* use this function for a text display */ -int drv_Sample_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 = 8; /* pixel height of one char */ - CHARS = 8; /* number of user-defineable characters */ - CHAR0 = 0; /* ASCII of first user-defineable char */ - GOTO_COST = 2; /* number of bytes a goto command requires */ - - /* real worker functions */ - drv_generic_text_real_write = drv_Sample_write; - drv_generic_text_real_defchar = drv_Sample_defchar; - - /* remove unless you have GPO's */ - drv_generic_gpio_real_set = drv_Sample_GPO; - - - /* start display */ - if ((ret = drv_Sample_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.bwct.de")) { - sleep(3); - drv_Sample_clear(); - } - } - - /* initialize generic text driver */ - if ((ret = drv_generic_text_init(section, Name)) != 0) - return ret; - - /* initialize generic icon driver */ - if ((ret = drv_generic_text_icon_init()) != 0) - return ret; - - /* initialize generic bar driver */ - if ((ret = drv_generic_text_bar_init(0)) != 0) - return ret; - - /* add fixed chars to the bar driver */ - drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ - - - /* initialize generic GPIO driver */ - /* remove unless you have GPO's */ - if ((ret = drv_generic_gpio_init(section, Name)) != 0) - return ret; - - /* register text widget */ - wc = Widget_Text; - wc.draw = drv_generic_text_draw; - widget_register(&wc); - - /* register icon widget */ - wc = Widget_Icon; - wc.draw = drv_generic_text_icon_draw; - widget_register(&wc); - - /* register bar widget */ - wc = Widget_Bar; - wc.draw = drv_generic_text_bar_draw; - widget_register(&wc); - - /* register plugins */ - AddFunction("LCD::contrast", 1, plugin_contrast); - - return 0; -} - - -/* initialize driver & display */ -/* use this function for a graphic display */ -int drv_Sample_init2(const char *section, const int quiet) -{ - int ret; - - /* real worker functions */ - drv_generic_graphic_real_blit = drv_Sample_blit; - - /* remove unless you have GPO's */ - drv_generic_gpio_real_set = drv_Sample_GPO; - - /* start display */ - if ((ret = drv_Sample_start2(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); - - return 0; -} - - - -/* close driver & display */ -/* use this function for a text display */ -int drv_Sample_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - drv_generic_text_quit(); - - /* remove unless you have GPO's */ - drv_generic_gpio_quit(); - - /* clear display */ - drv_Sample_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - debug("closing connection"); - drv_Sample_close(); - - return (0); -} - -/* close driver & display */ -/* use this function for a graphic display */ -int drv_Sample_quit2(const int quiet) -{ - - info("%s: shutting down.", Name); - - /* clear display */ - drv_generic_graphic_clear(); - - /* remove unless you have GPO's */ - drv_generic_gpio_quit(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_graphic_greet("goodbye!", NULL); - } - - drv_generic_graphic_quit(); - - debug("closing connection"); - drv_Sample_close(); - - return (0); -} - - -/* use this one for a text display */ -DRIVER drv_Sample = { - .name = Name, - .list = drv_Sample_list, - .init = drv_Sample_init, - .quit = drv_Sample_quit, -}; - - -/* use this one for a graphic display */ -DRIVER drv_Sample2 = { - .name = Name, - .list = drv_Sample_list, - .init = drv_Sample_init2, - .quit = drv_Sample_quit2, -}; 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