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Implement CapsLock

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-08-21 00:29:57 +02:00
parent d9a8a9736e
commit 735e864757
1 changed files with 30 additions and 2 deletions
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32
term/usb_keyboard.c
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@ -99,6 +99,8 @@ static grub_uint8_t usb_to_at_map[128] =
/* 0x7e */ 0x00, 0x00, /* 0x7e */ 0x00, 0x00,
}; };
#define CAPS_LOCK 0x39
#define CAPS_LOCK_LED 0x02
/* Valid values for bRequest. See HID definition version 1.11 section 7.2. */ /* Valid values for bRequest. See HID definition version 1.11 section 7.2. */
#define USB_HID_GET_REPORT 0x01 #define USB_HID_GET_REPORT 0x01
@ -122,7 +124,9 @@ struct grub_usb_keyboard_data
{ {
grub_usb_device_t usbdev; grub_usb_device_t usbdev;
grub_uint8_t status; grub_uint8_t status;
grub_uint16_t mods;
int key; int key;
int interfno;
struct grub_usb_desc_endp *endp; struct grub_usb_desc_endp *endp;
}; };
@ -237,6 +241,7 @@ grub_usb_keyboard_attach (grub_usb_device_t usbdev, int configno, int interfno)
} }
data->usbdev = usbdev; data->usbdev = usbdev;
data->interfno = interfno;
data->endp = endp; data->endp = endp;
/* Place the device in boot mode. */ /* Place the device in boot mode. */
@ -278,6 +283,8 @@ grub_usb_keyboard_attach (grub_usb_device_t usbdev, int configno, int interfno)
} }
} }
data->mods = 0;
grub_term_register_input_active ("usb_keyboard", &grub_usb_keyboards[curnum]); grub_term_register_input_active ("usb_keyboard", &grub_usb_keyboards[curnum]);
return 1; return 1;
@ -285,6 +292,19 @@ grub_usb_keyboard_attach (grub_usb_device_t usbdev, int configno, int interfno)
static void
send_leds (struct grub_usb_keyboard_data *termdata)
{
char report[1];
report[0] = 0;
if (termdata->mods & GRUB_TERM_STATUS_CAPS)
report[0] |= CAPS_LOCK_LED;
grub_usb_control_msg (termdata->usbdev, GRUB_USB_REQTYPE_CLASS_INTERFACE_OUT,
USB_HID_SET_REPORT, 0x0200, termdata->interfno,
sizeof (report), (char *) report);
grub_errno = GRUB_ERR_NONE;
}
static int static int
grub_usb_keyboard_checkkey (struct grub_term_input *term) grub_usb_keyboard_checkkey (struct grub_term_input *term)
{ {
@ -309,6 +329,13 @@ grub_usb_keyboard_checkkey (struct grub_term_input *term)
if (actual < 3 || !data[2]) if (actual < 3 || !data[2])
return -1; return -1;
if (data[2] == CAPS_LOCK)
{
termdata->mods ^= GRUB_TERM_STATUS_CAPS;
send_leds (termdata);
return -1;
}
grub_dprintf ("usb_keyboard", grub_dprintf ("usb_keyboard",
"report: 0x%02x 0x%02x 0x%02x 0x%02x" "report: 0x%02x 0x%02x 0x%02x 0x%02x"
" 0x%02x 0x%02x 0x%02x 0x%02x\n", " 0x%02x 0x%02x 0x%02x 0x%02x\n",
@ -320,7 +347,8 @@ grub_usb_keyboard_checkkey (struct grub_term_input *term)
else else
termdata->key = grub_term_map_key (usb_to_at_map[data[2]], termdata->key = grub_term_map_key (usb_to_at_map[data[2]],
interpret_status (data[0])); interpret_status (data[0])
| termdata->mods);
grub_errno = GRUB_ERR_NONE; grub_errno = GRUB_ERR_NONE;
@ -348,7 +376,7 @@ grub_usb_keyboard_getkeystatus (struct grub_term_input *term)
{ {
struct grub_usb_keyboard_data *termdata = term->data; struct grub_usb_keyboard_data *termdata = term->data;
return interpret_status (termdata->status); return interpret_status (termdata->status) | termdata->mods;
} }
struct grub_usb_attach_desc attach_hook = struct grub_usb_attach_desc attach_hook =