diff options
Diffstat (limited to 'oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_USBLCD.c.svn-base')
| -rw-r--r-- | oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_USBLCD.c.svn-base | 508 |
1 files changed, 0 insertions, 508 deletions
diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_USBLCD.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_USBLCD.c.svn-base deleted file mode 100644 index 89dac627..00000000 --- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_USBLCD.c.svn-base +++ /dev/null @@ -1,508 +0,0 @@ -/* $Id$ - * $URL$ - * - * new style driver for USBLCD displays - * - * Copyright (C) 2003 Michael Reinelt <michael@reinelt.co.at> - * Copyright (C) 2004 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net> - * - * based on the old-style USBLCD driver which is - * Copyright (C) 2002 Robin Adams, Adams IT Services <info@usblcd.de> - * - * 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_USBLCD - * - */ - -#include "config.h" - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#include <unistd.h> -#include <termios.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/time.h> - -#ifdef HAVE_USB_H -#include <usb.h> -#endif - -#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" -#include "drv_generic_text.h" - - -#define USBLCD_VENDOR 0x10D2 -#define USBLCD_VENDOR2 0x1212 -#define USBLCD_DEVICE 0x0001 - -#define IOC_GET_HARD_VERSION 1 -#define IOC_GET_DRV_VERSION 2 - - -static char Name[] = "USBLCD"; - -static char *Port = NULL; -static int use_libusb = 0; -static int usblcd_file; -static char *Buffer; -static char *BufPtr; - - -#ifdef HAVE_USB_H - -static usb_dev_handle *lcd; -static int interface; - -#endif - - - -/****************************************/ -/*** hardware dependant functions ***/ -/****************************************/ - -#ifdef HAVE_USB_H - -static int drv_UL_open(void) -{ - struct usb_bus *busses, *bus; - struct usb_device *dev; - - lcd = NULL; - - info("%s: scanning for USBLCD...", Name); - - usb_set_debug(0); - - usb_init(); - usb_find_busses(); - usb_find_devices(); - busses = usb_get_busses(); - - for (bus = busses; bus; bus = bus->next) { - for (dev = bus->devices; dev; dev = dev->next) { - if (((dev->descriptor.idVendor == USBLCD_VENDOR) || - (dev->descriptor.idVendor == USBLCD_VENDOR2)) && (dev->descriptor.idProduct == USBLCD_DEVICE)) { - - unsigned int v = dev->descriptor.bcdDevice; - - info("%s: found USBLCD V%1d%1d.%1d%1d on bus %s device %s", Name, - (v & 0xF000) >> 12, (v & 0xF00) >> 8, (v & 0xF0) >> 4, (v & 0xF), bus->dirname, dev->filename); - - interface = 0; - lcd = usb_open(dev); - if (usb_claim_interface(lcd, interface) < 0) { - error("%s: usb_claim_interface() failed!", Name); - error("%s: maybe you have the usblcd module loaded?", Name); - return -1; - } - return 0; - } - } - } - error("%s: could not find a USBLCD", Name); - return -1; -} - - -static int drv_UL_close(void) -{ - usb_release_interface(lcd, interface); - usb_close(lcd); - - return 0; -} - -#endif - - -static void drv_UL_send(void) -{ - -#if 0 - struct timeval now, end; - gettimeofday(&now, NULL); -#endif - - if (use_libusb) { -#ifdef HAVE_USB_H - /* Fixme: Endpoint hardcoded to 1 ??? */ - usb_bulk_write(lcd, 1, Buffer, BufPtr - Buffer, 1000); -#endif - } else { - write(usblcd_file, Buffer, BufPtr - Buffer); - } - - -#if 0 - gettimeofday(&end, NULL); - debug("send %d bytes in %d usec (%d usec/byte)", BufPtr - Buffer, - (1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec), - (1000000 * (end.tv_sec - now.tv_sec) + end.tv_usec - now.tv_usec) / (BufPtr - Buffer)); -#endif - - BufPtr = Buffer; -} - - -static void drv_UL_command(const unsigned char cmd) -{ - *BufPtr++ = '\0'; - *BufPtr++ = cmd; -} - - -static void drv_UL_clear(void) -{ - drv_UL_command(0x01); /* clear display */ - drv_UL_command(0x03); /* return home */ - drv_UL_send(); /* flush buffer */ -} - - -static void drv_UL_write(const int row, const int col, const char *data, int len) -{ - int pos; - - /* 16x4 Displays use a slightly different layout */ - if (DCOLS == 16 && DROWS == 4) { - pos = (row % 2) * 64 + (row / 2) * 16 + col; - } else { - pos = (row % 2) * 64 + (row / 2) * 20 + col; - } - - drv_UL_command(0x80 | pos); - - while (len--) { - if (*data == 0) - *BufPtr++ = 0; - *BufPtr++ = *data++; - } - - drv_UL_send(); -} - -static void drv_UL_defchar(const int ascii, const unsigned char *matrix) -{ - int i; - - drv_UL_command(0x40 | 8 * ascii); - - for (i = 0; i < 8; i++) { - if ((*matrix & 0x1f) == 0) - *BufPtr++ = 0; - *BufPtr++ = *matrix++ & 0x1f; - } - - drv_UL_send(); -} - - -static int drv_UL_start(const char *section, const int quiet) -{ - int rows = -1, cols = -1; - int major, minor; - char *port, *s; - char buf[128]; - - if (Port) { - free(Port); - Port = NULL; - } - - if ((port = cfg_get(section, "Port", NULL)) == NULL || *port == '\0') { - error("%s: no '%s.Port' entry from %s", Name, section, cfg_source()); - return -1; - } - - if (strcasecmp(port, "libusb") == 0) { -#ifdef HAVE_USB_H - use_libusb = 1; - debug("using libusb"); -#else - error("%s: cannot use 'libusb' port.", Name); - error("%s: lcd4linux was compiled without libusb support!", Name); - return -1; -#endif - } else { - if (port[0] == '/') { - Port = strdup(port); - } else { - int len = 5 + strlen(port) + 1; - Port = malloc(len); - qprintf(Port, len, "/dev/%s", port); - } - debug("using device %s ", Port); - } - - 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; - - if (use_libusb) { - -#ifdef HAVE_USB_H - if (drv_UL_open() < 0) { - return -1; - } -#endif - - } else { - - /* open port */ - usblcd_file = open(Port, O_WRONLY); - if (usblcd_file == -1) { - error("%s: open(%s) failed: %s", Name, Port, strerror(errno)); - return -1; - } - - /* get driver version */ - memset(buf, 0, sizeof(buf)); - if (ioctl(usblcd_file, IOC_GET_DRV_VERSION, buf) != 0) { - error("%s: ioctl() failed, could not get Driver Version!", Name); - return -1; - } - info("%s: Driver Version: %s", Name, buf); - - if (sscanf(buf, "USBLCD Driver Version %d.%d", &major, &minor) != 2) { - error("%s: could not read Driver Version!", Name); - return -1; - } - if (major != 1) { - error("%s: Driver Version %d not supported!", Name, major); - return -1; - } - - memset(buf, 0, sizeof(buf)); - if (ioctl(usblcd_file, IOC_GET_HARD_VERSION, buf) != 0) { - error("%s: ioctl() failed, could not get Hardware Version!", Name); - return -1; - } - info("%s: Hardware Version: %s", Name, buf); - - if (sscanf(buf, "%d.%d", &major, &minor) != 2) { - error("%s: could not read Hardware Version!", Name); - return -1; - } - - if (major != 1) { - error("%s: Hardware Version %d not supported!", Name, major); - return -1; - } - } - - /* Init the command buffer */ - Buffer = (char *) malloc(1024); - if (Buffer == NULL) { - error("%s: coommand buffer could not be allocated: malloc() failed", Name); - return -1; - } - BufPtr = Buffer; - - /* initialize display */ - drv_UL_command(0x29); /* 8 Bit mode, 1/16 duty cycle, 5x8 font */ - drv_UL_command(0x08); /* Display off, cursor off, blink off */ - drv_UL_command(0x0c); /* Display on, cursor off, blink off */ - drv_UL_command(0x06); /* curser moves to right, no shift */ - - drv_UL_clear(); /* clear display */ - - if (!quiet) { - char buffer[40]; - qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS); - if (drv_generic_text_greet(buffer, "http://www.usblcd.de")) { - sleep(3); - drv_UL_clear(); - } - } - - return 0; -} - - -/****************************************/ -/*** plugins ***/ -/****************************************/ - -/* none at the moment... */ - - -/****************************************/ -/*** widget callbacks ***/ -/****************************************/ - - -/* using drv_generic_text_draw(W) */ -/* using drv_generic_text_icon_draw(W) */ -/* using drv_generic_text_bar_draw(W) */ - - -/****************************************/ -/*** exported functions ***/ -/****************************************/ - - -/* list models */ -int drv_UL_list(void) -{ - printf("USBLCD"); - return 0; -} - - -/* initialize driver & display */ -int drv_UL_init(const char *section, const int quiet) -{ - WIDGET_CLASS wc; - int asc255bug; - 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_UL_write; - drv_generic_text_real_defchar = drv_UL_defchar; - - - /* start display */ - if ((ret = drv_UL_start(section, quiet)) != 0) - return ret; - - /* 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 */ - /* most displays have a full block on ascii 255, but some have kind of */ - /* an 'inverted P'. If you specify 'asc255bug 1 in the config, this */ - /* char will not be used, but rendered by the bar driver */ - cfg_number(section, "asc255bug", 0, 0, 1, &asc255bug); - drv_generic_text_bar_add_segment(0, 0, 255, 32); /* ASCII 32 = blank */ - if (!asc255bug) - drv_generic_text_bar_add_segment(255, 255, 255, 255); /* ASCII 255 = block */ - - /* 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 */ - /* none at the moment... */ - - - return 0; -} - - -/* close driver & display */ -int drv_UL_quit(const int quiet) -{ - - info("%s: shutting down.", Name); - - /* flush buffer */ - drv_UL_send(); - - drv_generic_text_quit(); - - /* clear display */ - drv_UL_clear(); - - /* say goodbye... */ - if (!quiet) { - drv_generic_text_greet("goodbye!", NULL); - } - - if (use_libusb) { -#ifdef HAVE_USB_H - drv_UL_close(); -#endif - } else { - debug("closing port %s", Port); - close(usblcd_file); - } - - if (Buffer) { - free(Buffer); - Buffer = NULL; - BufPtr = Buffer; - } - - return (0); -} - - -DRIVER drv_USBLCD = { - .name = Name, - .list = drv_UL_list, - .init = drv_UL_init, - .quit = drv_UL_quit, -}; |
