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Wheel acceleration for e200. A general acceleration interface intended for use on any scroll target and by any code. A general interface to obtain data associated with most recently dequeued button presses and actions. Use #define HAVE_SCROLLWHEEL and set appropriate constants, values in the scroller driver that feel right.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13959 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-07-22 21:02:24 +00:00
parent 3213d4a0f5
commit 873e0fd1ef
11 changed files with 168 additions and 30 deletions
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6
firmware/export/button.h
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@ -20,6 +20,7 @@
#define _BUTTON_H_
#include <stdbool.h>
#include <inttypes.h>
#include "config.h"
#include "button-target.h"
@ -28,6 +29,7 @@ extern struct event_queue button_queue;
void button_init (void);
long button_get (bool block);
long button_get_w_tmo(int ticks);
intptr_t button_get_data(void);
int button_status(void);
void button_clear_queue(void);
#ifdef HAVE_LCD_BITMAP
@ -48,6 +50,10 @@ int wheel_status(void);
void wheel_send_events(bool send);
#endif
#ifdef HAVE_SCROLLWHEEL
int button_apply_acceleration(unsigned int data, unsigned int factor);
#endif
#define BUTTON_NONE 0x00000000
/* Button modifiers */