57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
#ifndef LCD_XOSDLIB_H
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#define LCD_XOSDLIB_H
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#include <xosd.h>
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#define DEFAULT_FONT "fixed"
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#define DEFAULT_SIZE "20x4"
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#define DEFAULT_OFFSET "0x0"
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#define DEFAULT_CONTRAST 500
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#define DEFAULT_BRIGHTNESS 1000
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#define DEFAULT_OFFBRIGHTNESS 500
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#define DEFAULT_BACKLIGHT 0
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#define CELLWIDTH 6
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#define CELLHEIGHT 8
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/** private data for the \c xosd driver */
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typedef struct xosd_private_data {
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xosd *osd; /**< xosd handle */
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char font[256]; /**< xosd font properties */
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/* dimensions */
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int width, height;
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int xoffs, yoffs;
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/* framebuffer and buffer for old LCD contents */
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unsigned char *framebuf;
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unsigned char *backingstore;
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int contrast;
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int brightness;
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int offbrightness;
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} PrivateData;
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MODULE_EXPORT int xosdlib_drv_init (Driver *drvthis);
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MODULE_EXPORT void xosdlib_drv_close (Driver *drvthis);
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MODULE_EXPORT int xosdlib_drv_width (Driver *drvthis);
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MODULE_EXPORT int xosdlib_drv_height (Driver *drvthis);
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MODULE_EXPORT void xosdlib_drv_clear (Driver *drvthis);
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MODULE_EXPORT void xosdlib_drv_flush (Driver *drvthis);
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MODULE_EXPORT void xosdlib_drv_string (Driver *drvthis, int x, int y, const char string[]);
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MODULE_EXPORT void xosdlib_drv_chr (Driver *drvthis, int x, int y, char c);
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MODULE_EXPORT void xosdlib_drv_vbar (Driver *drvthis, int x, int y, int len, int promille, int pattern);
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MODULE_EXPORT void xosdlib_drv_hbar (Driver *drvthis, int x, int y, int len, int promille, int pattern);
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MODULE_EXPORT void xosdlib_drv_num (Driver *drvthis, int x, int num);
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MODULE_EXPORT int xosdlib_drv_get_free_chars (Driver *drvthis);
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MODULE_EXPORT int xosdlib_drv_get_contrast (Driver *drvthis);
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MODULE_EXPORT void xosdlib_drv_set_contrast (Driver *drvthis, int promille);
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MODULE_EXPORT int xosdlib_drv_get_brightness(Driver *drvthis, int state);
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MODULE_EXPORT void xosdlib_drv_set_brightness(Driver *drvthis, int state, int promille);
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MODULE_EXPORT void xosdlib_drv_backlight (Driver *drvthis, int on);
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#endif /* XOSDLIB_H */
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