114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
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/*
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Based on the lis driver Copyright (C) 2006, Bernhard Walle
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Copyright (c) 2007, Daryl Fonseca-Holt <wyatt@prairieturtle.ca>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */
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#ifndef LIS_H
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#define LIS_H
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#include "lcd.h"
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#ifndef bool
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# define bool short
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# define true 1
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# define false 0
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#endif
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///////////////////////////////////////////////////////////////////////////////
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// constants
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//
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#define DISPLAY_VENDOR_ID 0x0403
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#define DISPLAY_PRODUCT_ID 0x6001
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#define CELLWIDTH 5
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#define CELLHEIGHT 8
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#define DEFAULT_BRIGHTNESS 1000
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#define NUM_CCs 8
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///////////////////////////////////////////////////////////////////////////////
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// private data types
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//
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typedef struct cgram_cache {
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unsigned char cache[CELLHEIGHT];
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int clean;
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} CGram;
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/** private data for the \c lis driver */
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typedef struct lis_private_data {
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// the handle for the USB FTDI library
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struct ftdi_context ftdic;
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// the width and the height (in number of characters) of the display
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int width, height;
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// pixel width and height of each character
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int cellwidth, cellheight;
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// The framebuffer and the framebuffer for the last contents (incr. update)
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unsigned char *framebuf;
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// dirty line flags
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unsigned int *line_flags;
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// child thread flag
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int child_flag;
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// parent thread flag
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int parent_flag;
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// display brightness 0-1000
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int brightness;
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// ustom characters
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CGram cc[NUM_CCs];
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CGmode ccmode;
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// USB Vendor ID
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int VendorID;
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// USB Product ID
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int ProductID;
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/* lastline controls the use of the last line, if pixel addressable (true, default) or */
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/* underline effect (false). To avoid the underline effect in the latter case, the last */
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/* line is always zeroed for whatever redefined character */
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char lastline;
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} PrivateData;
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MODULE_EXPORT int lis_init(Driver *drvthis);
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MODULE_EXPORT void lis_close (Driver *drvthis);
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MODULE_EXPORT int lis_width (Driver *drvthis);
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MODULE_EXPORT int lis_height (Driver *drvthis);
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MODULE_EXPORT void lis_clear (Driver * drvthis);
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MODULE_EXPORT void lis_string (Driver * drvthis, int x, int y, char string[]);
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MODULE_EXPORT void lis_chr (Driver * drvthis, int x, int y, unsigned char c);
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MODULE_EXPORT void lis_flush (Driver * drvthis);
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MODULE_EXPORT void lis_vbar (Driver * drvthis, int x, int y, int len, int promille, int options);
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MODULE_EXPORT void lis_hbar (Driver * drvthis, int x, int y, int len, int promille, int options);
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MODULE_EXPORT int lis_icon(Driver * drvthis, int x, int y, int icon);
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MODULE_EXPORT int lis_cellheight (Driver *drvthis);
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MODULE_EXPORT int lis_cellwidth (Driver *drvthis);
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MODULE_EXPORT void lis_num(Driver *drvthis, int x, int num);
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MODULE_EXPORT int lis_get_free_chars(Driver *drvthis);
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MODULE_EXPORT void lis_set_char(Driver *drvthis, int n, unsigned char *dat);
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#endif /* LIS_H */
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