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-rw-r--r--oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_ASTUSB.c.svn-base512
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diff --git a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_ASTUSB.c.svn-base b/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_ASTUSB.c.svn-base
deleted file mode 100644
index 6cc02977..00000000
--- a/oncology/dpfhack_display/lcd4linux/.svn/text-base/drv_ASTUSB.c.svn-base
+++ /dev/null
@@ -1,512 +0,0 @@
-/* $Id: $
- * $URL: $
- *
- * driver for Attiny2313 USB LCD display interface
- * see http://ast.m-faq.de/USB-LCD/USB-LCD.htm for schematics
- *
- * Copyright 2005 Till Harbaum <till@harbaum.org>
- * Copyright 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.
- *
- */
-
-/*
- *
- * exported fuctions:
- *
- * struct DRIVER drv_LCD2USB
- *
- */
-
-#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 <ctype.h>
-#include <sys/ioctl.h>
-#include <sys/time.h>
-
-#include <usb.h>
-
-#include "debug.h"
-#include "cfg.h"
-#include "timer.h"
-#include "qprintf.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"
-
-
-#define LCD_USB_VENDOR 0x03eb
-#define LCD_USB_DEVICE 0x7a53
-
-#define CMD_LCD_ECHO (0<<5)
-#define CMD_LCD_INIT 1
-#define CMD_LCD_COMMAND 2
-#define CMD_LCD_DATA 3
-#define CMD_LCD_BLIGHT 4
-
-
-/* target is a bit map for CMD/DATA */
-#define LCD_CTRL_0 (1<<0)
-#define LCD_CTRL_1 (1<<1)
-#define LCD_BOTH (LCD_CTRL_0 | LCD_CTRL_1)
-
-
-static char Name[] = "ASTUSB";
-static char *device_id = NULL, *bus_id = NULL;
-
-static usb_dev_handle *lcd;
-static int controllers = 0;
-
-extern int got_signal;
-
-enum {
- LCD_INIT_INCREASE = 1 << 0,
- LCD_INIT_SHIFT = 1 << 1,
- LCD_INIT_CON = 1 << 2,
- LCD_INIT_BON = 1 << 3,
- LCD_INIT_DSHIFT = 1 << 4,
- LCD_INIT_RSHIFT = 1 << 5,
- LCD_INIT_2LINES = 1 << 6,
- LCD_INIT_FONT = 1 << 7
-};
-
-/****************************************/
-/*** hardware dependant functions ***/
-/****************************************/
-
-static int drv_AST_HW_open(char *bus_id, char *device_id)
-{
- struct usb_bus *busses, *bus;
- struct usb_device *dev;
-
- lcd = NULL;
-
- info("%s: scanning USB for ASTUSB interface ...", Name);
-
- if (bus_id != NULL)
- info("%s: scanning for bus id: %s", Name, bus_id);
-
- if (device_id != NULL)
- info("%s: scanning for device id: %s", Name, device_id);
-
- usb_set_debug(0);
-
- usb_init();
- usb_find_busses();
- usb_find_devices();
- busses = usb_get_busses();
-
- for (bus = busses; bus; bus = bus->next) {
- /* search this bus if no bus id was given or if this is the given bus id */
- if (!bus_id || (bus_id && !strcasecmp(bus->dirname, bus_id))) {
-
- for (dev = bus->devices; dev; dev = dev->next) {
- /* search this device if no device id was given or if this is the given device id */
- if (!device_id || (device_id && !strcasecmp(dev->filename, device_id))) {
-
- if ((dev->descriptor.idVendor == LCD_USB_VENDOR) && (dev->descriptor.idProduct == LCD_USB_DEVICE)) {
- info("%s: found ASTUSB interface on bus %s device %s", Name, bus->dirname, dev->filename);
- lcd = usb_open(dev);
- if (usb_claim_interface(lcd, 0) < 0) {
- error("%s: usb_claim_interface() failed!", Name);
- return -1;
- }
- return 0;
- }
- }
- }
- }
- }
- return -1;
-}
-
-static int drv_AST_HW_close(void)
-{
- usb_release_interface(lcd, 0);
- usb_close(lcd);
-
- return 0;
-}
-
-static int drv_AST_HW_data(unsigned char *buffer, short length, int __attribute__ ((unused)) index)
-{
- int request = CMD_LCD_DATA;
- int value = 0;
-
- if (usb_control_msg
- (lcd, USB_TYPE_VENDOR | USB_RECIP_DEVICE, request, value, 0 /*index */ , (char *) buffer, length, 1000) < 0) {
- error("%s: USB request failed! Trying to reconnect device.", Name);
-
- usb_release_interface(lcd, 0);
- usb_close(lcd);
-
- /* try to close and reopen connection */
- if (drv_AST_HW_open(bus_id, device_id) < 0) {
- error("%s: could not re-detect ASTUSB USB LCD", Name);
- got_signal = -1;
- return -1;
- }
- /* and try to re-send command */
- if (usb_control_msg
- (lcd, USB_TYPE_VENDOR | USB_RECIP_DEVICE, request, value, 0 /*index */ , (char *) buffer, length,
- 1000) < 0) {
- error("%s: retried USB request failed, aborting!", Name);
- got_signal = -1;
- return -1;
- }
-
- info("%s: Device successfully reconnected.", Name);
- }
-
- return 0;
-}
-
-/* send a number of 16 bit words to the lcd2usb interface */
-/* and verify that they are correctly returned by the echo */
-/* command. This may be used to check the reliability of */
-/* the usb interfacing */
-#define ECHO_NUM 10
-
-
-static int drv_AST_HW_cmd(unsigned char cmd, short value, int __attribute__ ((unused)) index)
-{
- unsigned char buffer[2];
- int nBytes;
-
- /* send control request and accept return value */
- nBytes = usb_control_msg(lcd,
- USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
- cmd, value, 0 /*index */ , (char *) buffer, sizeof(buffer), 1000);
-
- if (nBytes < 0) {
- error("%s: USB request failed!", Name);
- return -1;
- }
-
- return buffer[0] + 256 * buffer[1];
-}
-
-int drv_AST_HW_echo(void)
-{
- int i, errors = 0;
- char val;
- char buffer[2];
-
- for (i = 0; i < ECHO_NUM; i++) {
- val = rand() & 0xff; //8 bit number
-
- if (usb_control_msg(lcd,
- USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_IN,
- CMD_LCD_ECHO, val, 0, buffer, sizeof(buffer), 1000) < 0) {
- error("%s: USB request failed!", Name);
- return -1;
- }
-
- if (val != buffer[1])
- errors++;
- }
-
- if (errors) {
- error("%s: ERROR, %d out of %d echo transfers failed!", Name, errors, ECHO_NUM);
- return -1;
- } else
- info("%s: echo test successful", Name);
-
-
- return 0;
-}
-
-
-/* command format:
- * 7 6 5 4 3 2 1 0
- * C C C T T R L L
- *
- * TT = target bit map
- * R = reserved for future use, set to 0
- * LL = number of bytes in transfer - 1
- */
-
-short drv_AST_LCD_BL(int backlight)
-{
-
- if (backlight < 0)
- backlight = 0;
- else if (backlight > 1)
- backlight = 1;
-
- drv_AST_HW_cmd(CMD_LCD_BLIGHT, backlight, 0);
-
- return backlight;
-}
-
-
-static void drv_AST_clear(void)
-{
- drv_AST_HW_cmd(CMD_LCD_COMMAND, 0x01, LCD_BOTH & controllers); /* clear display */
- drv_AST_HW_cmd(CMD_LCD_COMMAND, 0x03, LCD_BOTH & controllers); /* return home */
-}
-
-static void drv_AST_write(const int row, const int col, const char *data, int len)
-{
- int pos, ctrl = LCD_CTRL_0;
- int tmpRow = row;
-
- /* displays with more two rows and 20 columns have a logical width */
- /* of 40 chars and use more than one controller */
- if ((DROWS > 2) && (DCOLS > 20) && (row > 1)) {
- /* use second controller */
- tmpRow -= 2;
- ctrl = LCD_CTRL_1;
- }
-
- /* 16x4 Displays use a slightly different layout */
- if (DCOLS == 16 && DROWS == 4) {
- pos = (tmpRow % 2) * 64 + (tmpRow / 2) * 16 + col;
- } else {
- pos = (tmpRow % 2) * 64 + (tmpRow / 2) * 20 + col;
- }
-
- drv_AST_HW_cmd(CMD_LCD_COMMAND, 0x80 | pos, (ctrl & controllers));
- drv_AST_HW_data((unsigned char *) data, len, (ctrl & controllers));
-
-}
-
-static void drv_AST_defchar(const int ascii, const unsigned char *matrix)
-{
- int i;
- unsigned char buffer[8];
-
- //build buffer
- for (i = 0; i < 8; i++) {
- buffer[i] = *matrix++ & 0x1f;
- }
-
- //send to HW
- drv_AST_HW_cmd(CMD_LCD_COMMAND, 0x40 | 8 * ascii, LCD_BOTH & controllers);
- drv_AST_HW_data((unsigned char *) buffer, sizeof(buffer), LCD_BOTH & controllers);
-}
-
-static int drv_AST_start(const char *section, const int quiet)
-{
-// int contrast, brightness;
- int backlight;
- int rows = -1, cols = -1;
- char *s;
-
- 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;
-
- /* bus id and device id are strings and not just intergers, since */
- /* the windows port of libusb treats them as strings. And this way */
- /* we keep windows compatibility ... just in case ... */
- bus_id = cfg_get(section, "Bus", NULL);
- device_id = cfg_get(section, "Device", NULL);
-
- if (drv_AST_HW_open(bus_id, device_id) < 0) {
- error("%s: could not find a ASTUSB USB LCD", Name);
- return -1;
- }
-
- /* test interface reliability */
- drv_AST_HW_echo();
-
- /*low level init of init LCD */
- if (drv_AST_HW_cmd(CMD_LCD_INIT, LCD_INIT_INCREASE | (DROWS > 1 ? LCD_INIT_2LINES : 1), LCD_BOTH & controllers) < 0) {
- error("%s: could not init LCD", Name);
- return -1;
- }
-
- if (cfg_number(section, "Backlight", 0, 0, 1, &backlight) > 0) {
- info("%s: backlight %s", Name, backlight ? "enabled" : "disabled");
- drv_AST_LCD_BL(backlight);
- }
-
- drv_AST_clear(); /* clear display */
-
- if (!quiet) {
- char buffer[40];
- qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
- if (drv_generic_text_greet(buffer, "AST USB-LCD")) {
- sleep(3);
- drv_AST_clear();
- }
- }
-
- return 0;
-}
-
-
-/****************************************/
-/*** plugins ***/
-/****************************************/
-
-static void plugin_backlight(RESULT * result, RESULT * arg1)
-{
- double backlight;
-
- backlight = drv_AST_LCD_BL(R2N(arg1));
- SetResult(&result, R_NUMBER, &backlight);
-}
-
-/****************************************/
-/*** 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_AST_list(void)
-{
- printf("ASTUSB display interface");
- return 0;
-}
-
-
-/* initialize driver & display */
-int drv_AST_init(const char *section, const int quiet)
-{
- WIDGET_CLASS wc;
- int asc255bug;
- int ret;
-
- info("%s: %s", Name, "$Rev: 975 $");
-
- /* 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_AST_write;
- drv_generic_text_real_defchar = drv_AST_defchar;
-
- /* start display */
- if ((ret = drv_AST_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 */
- // AddFunction("LCD::contrast", 1, plugin_contrast);
- // AddFunction("LCD::brightness", 1, plugin_brightness);
- AddFunction("LCD::backlight", 1, plugin_backlight);
-
- return 0;
-}
-
-
-/* close driver & display */
-int drv_AST_quit(const int quiet)
-{
-
- info("%s: shutting down.", Name);
-
- drv_generic_text_quit();
-
- /* clear display */
- drv_AST_clear();
-
- /* say goodbye... */
- if (!quiet) {
- drv_generic_text_greet("That's all, folks!", NULL);
- }
-
- drv_AST_LCD_BL(0);
-
- debug("closing USB connection");
- drv_AST_HW_close();
-
- return (0);
-}
-
-
-DRIVER drv_ASTUSB = {
- .name = Name,
- .list = drv_AST_list,
- .init = drv_AST_init,
- .quit = drv_AST_quit,
-};
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