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Added 'block' parameter to button_get()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@759 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-05-28 12:09:30 +00:00
parent 8b9d456bbb
commit f008567379
2 changed files with 8 additions and 3 deletions
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4
firmware/drivers/button.c
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@ -76,11 +76,11 @@ static void button_tick(void)
} }
} }
int button_get(void) int button_get(bool block)
{ {
struct event ev; struct event ev;
if ( !queue_empty(&button_queue) ) { if ( block || !queue_empty(&button_queue) ) {
queue_wait(&button_queue, &ev); queue_wait(&button_queue, &ev);
return ev.id; return ev.id;
} }

7
firmware/drivers/button.h
View file

@ -16,11 +16,14 @@
* KIND, either express or implied. * KIND, either express or implied.
* *
****************************************************************************/ ****************************************************************************/
#ifndef _BUTTON_H_
#define _BUTTON_H_
#include <stdbool.h>
#include "config.h" #include "config.h"
void button_init (void); void button_init (void);
int button_get (void); int button_get (bool block);
/* Shared button codes */ /* Shared button codes */
#define BUTTON_NONE 0x0000 #define BUTTON_NONE 0x0000
@ -52,3 +55,5 @@ int button_get (void);
#define BUTTON_STOP BUTTON_DOWN #define BUTTON_STOP BUTTON_DOWN
#endif #endif
#endif