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Support USB key repeat

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-22 00:29:34 +02:00
parent ab247a453f
commit 7e6975d7ea
2 changed files with 23 additions and 4 deletions
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3
include/grub/term.h
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@ -490,6 +490,9 @@ grub_print_spaces (struct grub_term_output *term, int number_spaces)
extern void (*EXPORT_VAR (grub_term_poll_usb)) (void);
#define GRUB_TERM_REPEAT_PRE_INTERVAL 100
#define GRUB_TERM_REPEAT_INTERVAL 50
#endif /* ! ASM_FILE */
#endif /* ! GRUB_TERM_HEADER */

24
term/usb_keyboard.c
View file

@ -144,6 +144,8 @@ struct grub_usb_keyboard_data
grub_usb_transfer_t transfer;
grub_uint8_t report[8];
int dead;
int last_key;
grub_uint64_t repeat_time;
};
static struct grub_term_input grub_usb_keyboards[16];
@ -368,7 +370,16 @@ grub_usb_keyboard_checkkey (struct grub_term_input *term)
err = grub_usb_check_transfer (termdata->transfer, &actual);
if (err == GRUB_USB_ERR_WAIT)
return -1;
{
if (termdata->last_key != -1
&& grub_get_time_ms () > termdata->repeat_time)
{
termdata->key = termdata->last_key;
termdata->repeat_time = grub_get_time_ms ()
+ GRUB_TERM_REPEAT_INTERVAL;
}
return termdata->key;
}
grub_memcpy (data, termdata->report, sizeof (data));
@ -382,6 +393,7 @@ grub_usb_keyboard_checkkey (struct grub_term_input *term)
termdata->dead = 1;
}
termdata->last_key = -1;
grub_dprintf ("usb_keyboard",
"err = %d, actual = %d report: 0x%02x 0x%02x 0x%02x 0x%02x"
@ -419,9 +431,13 @@ grub_usb_keyboard_checkkey (struct grub_term_input *term)
if (data[2] > ARRAY_SIZE (usb_to_at_map) || usb_to_at_map[data[2]] == 0)
grub_printf ("Unknown key 0x%02x detected\n", data[2]);
else
termdata->key = grub_term_map_key (usb_to_at_map[data[2]],
interpret_status (data[0])
| termdata->mods);
{
termdata->last_key = termdata->key
= grub_term_map_key (usb_to_at_map[data[2]],
interpret_status (data[0]) | termdata->mods);
termdata->repeat_time = grub_get_time_ms ()
+ GRUB_TERM_REPEAT_PRE_INTERVAL;
}
grub_errno = GRUB_ERR_NONE;