Changeset 79460ae in mainline for kbd/include/key_buffer.h

Timestamp:

2006-05-30T10:40:17Z (19 years ago)

Author:

Josef Cejka <malyzelenyhnus@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

44c6d88d

Parents:

f25b73d6

Message:

Basic support for console driver.
Does not provide separate screens yet.
TODO fix many unhandled states.

File:

• kbd/include/key_buffer.h (modified) (1 diff)

kbd/include/key_buffer.h

@@ -32 +32 @@
 #include <types.h>
 
-void key_buffer_free(void);
-void key_buffer_init(void);
-int key_buffer_available(void);
-int key_buffer_empty(void);
-void key_buffer_push(char key);
-int key_buffer_pop(char *c);
+#define KEYBUFFER_SIZE 128 /**< Size of buffer for pressed keys */
+
+typedef struct {
+        char fifo[KEYBUFFER_SIZE];
+        unsigned long head;
+        unsigned long tail;
+        unsigned long items;
+} keybuffer_t;
+
+void keybuffer_free(keybuffer_t *keybuffer);
+void keybuffer_init(keybuffer_t *keybuffer);
+int keybuffer_available(keybuffer_t *keybuffer);
+int keybuffer_empty(keybuffer_t *keybuffer);
+void keybuffer_push(keybuffer_t *keybuffer, char key);
+int keybuffer_pop(keybuffer_t *keybuffer, char *c);
 
 #endif