diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Cwlinux.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Cwlinux.c.svn-base | 538 |
1 files changed, 0 insertions, 538 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Cwlinux.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Cwlinux.c.svn-base deleted file mode 100644 index e7364496..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_Cwlinux.c.svn-base +++ /dev/null @@ -1,538 +0,0 @@ -/* $Id$ - * $URL$ - * - * new style driver for Cwlinux display modules - * - * Copyright (C) 1999, 2000 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2004 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_Cwlinux - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include "debug.h" -#include "cfg.h" -#include "qprintf.h" -#include "timer.h" -#include "plugin.h" -#include "widget.h" -#include "widget_text.h" -#include "widget_icon.h" -#include "widget_bar.h" -#include "widget_keypad.h" -#include "drv.h" -#include "drv_generic_text.h" -#include "drv_generic_gpio.h" -#include "drv_generic_serial.h" -#include "drv_generic_keypad.h" - - -static char Name[] = "Cwlinux"; - -static int Model; -static int Protocol; - -/* ring buffer for bytes received from the display */ -static unsigned char RingBuffer[256]; -static unsigned int RingRPos = 0; -static unsigned int RingWPos = 0; - -typedef struct { - int type; - char *name; - int rows; - int cols; - int xres; /* pixel width of one char */ - int yres; /* pixel height of one char */ - int gpos; - int gpis; - int chars; /* number of user definable chars */ - int protocol; -} MODEL; - - -/* Fixme: number of gpo's should be verified */ - -static MODEL Models[] = { - /* type, name, rows, cols, xres/char, yres/char, gpo's, gpi's, definable chars, protocol */ - {0x01, "CW1602", 2, 16, 5, 7, 2, 2, 8, 1}, - {0x02, "CW12232", 4, 20, 6, 8, 2, 2, 16, 2}, - {0x03, "CW12832", 4, 21, 6, 8, 2, 2, 16, 2}, - {0xff, "Unknown", -1, -1, -1, -1, -1, -1, -1, -1} -}; - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -static void drv_CW_process_input(void) -{ - while (RingRPos != RingWPos) { - drv_generic_keypad_press(RingBuffer[RingRPos++]); - if (RingRPos >= sizeof(RingBuffer)) - RingRPos = 0; - } -} - - -static int drv_CW_poll(void) -{ - while (1) { - char buffer[32]; - int num, n; - - num = drv_generic_serial_poll(buffer, sizeof(buffer)); - if (num <= 0) - break; /* no more input */ - - /* put result into RingBuffer */ - for (n = 0; n < num; n++) { - RingBuffer[RingWPos++] = (unsigned char) buffer[n]; - if (RingWPos >= sizeof(RingBuffer)) - RingWPos = 0; - } - } - - if (RingRPos != RingWPos) - return 1; - else - return 0; -} - - -static void drv_CW_timer(void __attribute__ ((unused)) * notused) -{ - while (drv_CW_poll()) { - drv_CW_process_input(); - } -} - - -static void drv_CW_send(const char *string, const int len) -{ - drv_generic_serial_write(string, len); - usleep(20); - if (drv_CW_poll()) - drv_CW_process_input(); -} - - -static void drv_CW_write(const int row, const int col, const char *data, const int len) -{ - char cmd[6] = "\376Gxy\375"; - - cmd[2] = (char) col; - cmd[3] = (char) row; - drv_CW_send(cmd, 5); - drv_CW_send(data, len); -} - - -static void drv_CW1602_defchar(const int ascii, const unsigned char *buffer) -{ - int i; - char cmd[12] = "\376Nn12345678\375"; - - cmd[2] = (char) ascii; - - for (i = 0; i < 8; i++) { - cmd[3 + i] = buffer[i] & 0x1f; - } - drv_CW_send(cmd, 12); -} - - -static void drv_CW12232_defchar(const int ascii, const unsigned char *buffer) -{ - int i, j; - char cmd[10] = "\376Nn123456\375"; /* 0xfe 'N' [1..16] (6 Bytes Data) 0xfd */ - - cmd[2] = (char) ascii; - - /* The CW12232 uses a vertical bitmap layout, */ - /* so we have to 'rotate' the bitmap. */ - - for (i = 0; i < 6; i++) { - cmd[3 + i] = 0; - for (j = 0; j < 8; j++) { - if (buffer[j] & (1 << (5 - i))) { - cmd[3 + i] |= (1 << j); - } - } - } - drv_CW_send(cmd, 10); -} - - -static int drv_CW_GPO(const int num, const int val) -{ - /* Fixme: GPO's not yet implemented! */ - error("%s: GPO's not yet implemented!", Name); - /* Fixme: num*val to avoid compiler warning */ - return num * val; -} - - -static int drv_CW_GPI(const int num) -{ - if (num < 0 || num > GPIS) { - return 0; - } - error("%s: GPI's not yet implemented!", Name); - return num; -} - - -static void drv_CW_clear(void) -{ -#if 1 - drv_CW_send("\376X\375", 3); /* Clear Display */ - usleep(500000); -#else - /* for some mysterious reason, we have to sleep after */ - /* the command _and_ after the CMD_END... */ - drv_CW_send("\376X", 2); /* Clear Display */ - drv_CW_send("\375", 1); /* Command End */ -#endif -} - - -static int drv_CW_brightness(int brightness) -{ - static unsigned char Brightness = 0; - char cmd[5] = "\376A_\375"; - - /* -1 is used to query the current brightness */ - if (brightness == -1) - return Brightness; - - if (brightness < 0) - brightness = 0; - if (brightness > 8) - brightness = 8; - Brightness = brightness; - - switch (Brightness) { - case 0: - /* backlight off */ - drv_CW_send("\376F\375", 3); - break; - case 8: - /* backlight on */ - drv_CW_send("\376B\375", 3); - break; - default: - /* backlight level */ - cmd[2] = (char) Brightness; - drv_CW_send(cmd, 4); - break; - } - - return Brightness; -} - - -static int drv_CW_keypad(const int num) -{ - int val = WIDGET_KEY_PRESSED; - - switch (num) { - case 65: - val += WIDGET_KEY_UP; - break; - case 66: - val += WIDGET_KEY_DOWN; - break; - case 67: - val += WIDGET_KEY_LEFT; - break; - case 68: - val += WIDGET_KEY_RIGHT; - break; - case 69: - val += WIDGET_KEY_CONFIRM; - break; - case 70: - val += WIDGET_KEY_CANCEL; - break; - default: - error("%s: unknown keypad value %d", Name, num); - } - - debug("%s: key %c (0x%x) pressed", Name, num, num); - return val; -} - - -static int drv_CW_start(const char *section) -{ - int i; - char *model; - char buffer[16]; - - 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; - } - - /* open serial port */ - if (drv_generic_serial_open(section, Name, 0) < 0) - return -1; - - /* read firmware version: 0xfe '1' 0xfd */ - drv_generic_serial_write("\3761\375", 3); - usleep(100000); - if (drv_generic_serial_read(buffer, 2) != 2) { - info("unable to read firmware version!"); - } else { - info("Cwlinux Firmware V%d.%d", (int) buffer[0], (int) buffer[1]); - } - - /* read model mumber: 0xfe 0x30 0xfd */ - drv_generic_serial_write("\3760\375", 3); - usleep(100000); - if (drv_generic_serial_read(buffer, 2) != 2) { - info("unable to read model number!"); - } else { - info("Cwlinux model CW%d%d", (int) buffer[0], (int) buffer[1]); - } - - /* initialize global variables */ - DROWS = Models[Model].rows; - DCOLS = Models[Model].cols; - XRES = Models[Model].xres; - YRES = Models[Model].yres; - GPOS = Models[Model].gpos; - GPIS = Models[Model].gpis; - CHARS = Models[Model].chars; - Protocol = Models[Model].protocol; - - /* regularly process display input */ - timer_add(drv_CW_timer, NULL, 250, 0); - - drv_CW_clear(); - - drv_CW_send("\376D\375", 3); /* auto line wrap off */ - drv_CW_send("\376R\375", 3); /* auto scroll off */ - drv_CW_send("\376K\375", 3); /* underline cursor off */ - drv_CW_send("\376B\375", 3); /* backlight on */ - - /* set brightness */ - if (cfg_number(section, "Brightness", 0, 0, 8, &i) > 0) { - drv_CW_brightness(i); - } - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - - -static void plugin_brightness(RESULT * result, const int argc, RESULT * argv[]) -{ - double brightness; - - switch (argc) { - case 0: - brightness = drv_CW_brightness(-1); - SetResult(&result, R_NUMBER, &brightness); - break; - case 1: - brightness = drv_CW_brightness(R2N(argv[0])); - SetResult(&result, R_NUMBER, &brightness); - break; - default: - error("%s.brightness(): wrong number of parameters", Name); - SetResult(&result, R_STRING, ""); - } -} - - -/****************************************/ -/*** 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) */ -/* using drv_generic_keypad_draw(W) */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_CW_list(void) -{ - int i; - - for (i = 0; Models[i].type != 0xff; i++) { - printf("%s ", Models[i].name); - } - return 0; -} - - -/* initialize driver & display */ -int drv_CW_init(const char *section, const int quiet) -{ - WIDGET_CLASS wc; - int ret; - - info("%s: %s", Name, "$Rev$"); - - /* display preferences */ - CHAR0 = 1; /* ASCII of first user-defineable char */ - GOTO_COST = 3; /* number of bytes a goto command requires */ - INVALIDATE = 1; /* re-defined chars must be re-sent to the display */ - - /* start display */ - if ((ret = drv_CW_start(section)) != 0) - return ret; - - /* real worker functions */ - drv_generic_text_real_write = drv_CW_write; - drv_generic_gpio_real_set = drv_CW_GPO; - drv_generic_gpio_real_get = drv_CW_GPI; - drv_generic_keypad_real_press = drv_CW_keypad; - - switch (Protocol) { - case 1: - drv_generic_text_real_defchar = drv_CW1602_defchar; - break; - case 2: - drv_generic_text_real_defchar = drv_CW12232_defchar; - break; - } - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %s", Name, Models[Model].name); - if (drv_generic_text_greet(buffer, "www.cwlinux.com")) { - sleep(3); - drv_CW_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 */ - if ((ret = drv_generic_gpio_init(section, Name)) != 0) - return ret; - - /* initialize generic key pad driver */ - if ((ret = drv_generic_keypad_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::brightness", -1, plugin_brightness); - - return 0; -} - - -/* close driver & display */ -int drv_CW_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - drv_generic_text_quit(); - drv_generic_gpio_quit(); - drv_generic_keypad_quit(); - - /* clear display */ - drv_CW_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - drv_generic_serial_close(); - - return (0); -} - - -DRIVER drv_Cwlinux = { - .name = Name, - .list = drv_CW_list, - .init = drv_CW_init, - .quit = drv_CW_quit, -}; |
