mirror of
https://github.com/rfc2822/GfxTablet
synced 2025-10-03 09:39:16 +02:00
32 lines
596 B
C
32 lines
596 B
C
#define GFXTABLET_PORT 40118
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#define PROTOCOL_VERSION 2
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#pragma pack(push)
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#pragma pack(1)
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#define EVENT_TYPE_MOTION 0
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#define EVENT_TYPE_BUTTON 1
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struct event_packet
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{
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char signature[9];
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uint16_t version;
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uint8_t type; /* EVENT_TYPE_... */
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struct { /* required */
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uint16_t x, y;
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uint16_t pressure;
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};
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struct { /* only required for EVENT_TYPE_BUTTON */
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int8_t button; /* button id:
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-1 = stylus in range,
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0 = tap/left click/button 0,
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1 = button 1,
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2 = button 2 */
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int8_t down; /* 1 = button down, 0 = button up */
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};
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};
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#pragma pack(pop)
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