2009-08-28 Colin Watson <cjwatson@ubuntu.com>
2009-08-28 Robert Millan <rmh.grub@aybabtu.com> Add `getkeystatus' terminal method. Add a new `keystatus' command to query it. * include/grub/term.h (GRUB_TERM_STATUS_SHIFT, GRUB_TERM_STATUS_CTRL, GRUB_TERM_STATUS_ALT): Definitions for modifier key bitmasks. (struct grub_term_input): Add `getkeystatus' member. (grub_getkeystatus): Add prototype. * kern/term.c (grub_getkeystatus): New function. * include/grub/i386/pc/memory.h (GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR): New macro. (struct grub_machine_bios_data_area): Define necessary parts of BIOS Data Area layout. * term/i386/pc/console.c (grub_console_getkeystatus): New function. (grub_console_term_input): Set `getkeystatus' member. * term/usb_keyboard.c (grub_usb_hid): Macroify HID protocol constants. (grub_usb_keyboard_getreport): Likewise. (grub_usb_keyboard_checkkey): Likewise. (grub_usb_keyboard_getkeystatus): New function. (grub_usb_keyboard_term): Set `getkeystatus' member. * commands/keystatus.c: New file. * conf/common.rmk (pkglib_MODULES): Add keystatus.mod. (keystatus_mod_SOURCES): New variable. (keystatus_mod_CFLAGS): Likewise. (keystatus_mod_LDFLAGS): Likewise. * conf/i386-coreboot.rmk (grub_emu_SOURCES): Add commands/keystatus.c. * conf/i386-efi.rmk (grub_emu_SOURCES): Likewise. * conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/i386-pc.rmk (grub_emu_SOURCES): Likewise. * conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise. * conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise. * DISTLIST: Add commands/keystatus.c.
This commit is contained in:
cjwatson
parent
6e2a90859a
commit
4cbe67e509
15 changed files with 270 additions and 15 deletions
41
ChangeLog
41
ChangeLog
|
|
@ -1,3 +1,44 @@
|
|||
2009-08-28 Colin Watson <cjwatson@ubuntu.com>
|
||||
2009-08-28 Robert Millan <rmh.grub@aybabtu.com>
|
||||
|
||||
Add `getkeystatus' terminal method. Add a new `keystatus' command
|
||||
to query it.
|
||||
|
||||
* include/grub/term.h (GRUB_TERM_STATUS_SHIFT,
|
||||
GRUB_TERM_STATUS_CTRL, GRUB_TERM_STATUS_ALT): Definitions for
|
||||
modifier key bitmasks.
|
||||
(struct grub_term_input): Add `getkeystatus' member.
|
||||
(grub_getkeystatus): Add prototype.
|
||||
* kern/term.c (grub_getkeystatus): New function.
|
||||
|
||||
* include/grub/i386/pc/memory.h
|
||||
(GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR): New macro.
|
||||
(struct grub_machine_bios_data_area): Define necessary parts of BIOS
|
||||
Data Area layout.
|
||||
* term/i386/pc/console.c (grub_console_getkeystatus): New function.
|
||||
(grub_console_term_input): Set `getkeystatus' member.
|
||||
* term/usb_keyboard.c (grub_usb_hid): Macroify HID protocol
|
||||
constants.
|
||||
(grub_usb_keyboard_getreport): Likewise.
|
||||
(grub_usb_keyboard_checkkey): Likewise.
|
||||
(grub_usb_keyboard_getkeystatus): New function.
|
||||
(grub_usb_keyboard_term): Set `getkeystatus' member.
|
||||
|
||||
* commands/keystatus.c: New file.
|
||||
* conf/common.rmk (pkglib_MODULES): Add keystatus.mod.
|
||||
(keystatus_mod_SOURCES): New variable.
|
||||
(keystatus_mod_CFLAGS): Likewise.
|
||||
(keystatus_mod_LDFLAGS): Likewise.
|
||||
* conf/i386-coreboot.rmk (grub_emu_SOURCES): Add
|
||||
commands/keystatus.c.
|
||||
* conf/i386-efi.rmk (grub_emu_SOURCES): Likewise.
|
||||
* conf/i386-ieee1275.rmk (grub_emu_SOURCES): Likewise.
|
||||
* conf/i386-pc.rmk (grub_emu_SOURCES): Likewise.
|
||||
* conf/powerpc-ieee1275.rmk (grub_emu_SOURCES): Likewise.
|
||||
* conf/sparc64-ieee1275.rmk (grub_emu_SOURCES): Likewise.
|
||||
* conf/x86_64-efi.rmk (grub_emu_SOURCES): Likewise.
|
||||
* DISTLIST: Add commands/keystatus.c.
|
||||
|
||||
2009-08-28 Vladimir Serbinenko <phcoder@gmail.com>
|
||||
|
||||
Split befs.mod and afs.mod into *_be.mod and *.mod
|
||||
|
|
|
|||
81
commands/keystatus.c
Normal file
81
commands/keystatus.c
Normal file
|
|
@ -0,0 +1,81 @@
|
|||
/* keystatus.c - Command to check key modifier status. */
|
||||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2009 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* GRUB is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <grub/dl.h>
|
||||
#include <grub/misc.h>
|
||||
#include <grub/extcmd.h>
|
||||
#include <grub/term.h>
|
||||
|
||||
static const struct grub_arg_option options[] =
|
||||
{
|
||||
{"shift", 's', 0, "check Shift key", 0, 0},
|
||||
{"ctrl", 'c', 0, "check Control key", 0, 0},
|
||||
{"alt", 'a', 0, "check Alt key", 0, 0},
|
||||
{0, 0, 0, 0, 0, 0}
|
||||
};
|
||||
|
||||
#define grub_cur_term_input grub_term_get_current_input ()
|
||||
|
||||
static grub_err_t
|
||||
grub_cmd_keystatus (grub_extcmd_t cmd,
|
||||
int argc __attribute__ ((unused)),
|
||||
char **args __attribute__ ((unused)))
|
||||
{
|
||||
struct grub_arg_list *state = cmd->state;
|
||||
int expect_mods = 0;
|
||||
int mods;
|
||||
|
||||
if (state[0].set)
|
||||
expect_mods |= GRUB_TERM_STATUS_SHIFT;
|
||||
if (state[1].set)
|
||||
expect_mods |= GRUB_TERM_STATUS_CTRL;
|
||||
if (state[2].set)
|
||||
expect_mods |= GRUB_TERM_STATUS_ALT;
|
||||
|
||||
/* Without arguments, just check whether getkeystatus is supported at
|
||||
all. */
|
||||
if (!grub_cur_term_input->getkeystatus)
|
||||
return grub_error (GRUB_ERR_TEST_FAILURE, "false");
|
||||
grub_dprintf ("keystatus", "expect_mods: %d\n", expect_mods);
|
||||
if (!expect_mods)
|
||||
return 0;
|
||||
|
||||
mods = grub_getkeystatus ();
|
||||
grub_dprintf ("keystatus", "mods: %d\n", mods);
|
||||
if (mods >= 0 && (mods & expect_mods) != 0)
|
||||
return 0;
|
||||
else
|
||||
return grub_error (GRUB_ERR_TEST_FAILURE, "false");
|
||||
}
|
||||
|
||||
static grub_extcmd_t cmd;
|
||||
|
||||
GRUB_MOD_INIT(keystatus)
|
||||
{
|
||||
cmd = grub_register_extcmd ("keystatus", grub_cmd_keystatus,
|
||||
GRUB_COMMAND_FLAG_BOTH,
|
||||
"keystatus [--shift|--ctrl|--alt]",
|
||||
"Check key modifier status",
|
||||
options);
|
||||
}
|
||||
|
||||
GRUB_MOD_FINI(keystatus)
|
||||
{
|
||||
grub_unregister_extcmd (cmd);
|
||||
}
|
||||
|
|
@ -375,7 +375,8 @@ pkglib_MODULES += minicmd.mod extcmd.mod hello.mod handler.mod \
|
|||
terminfo.mod test.mod blocklist.mod hexdump.mod \
|
||||
read.mod sleep.mod loadenv.mod crc.mod parttool.mod \
|
||||
msdospart.mod memrw.mod normal.mod sh.mod lua.mod \
|
||||
gptsync.mod true.mod probe.mod password.mod
|
||||
gptsync.mod true.mod probe.mod password.mod \
|
||||
keystatus.mod
|
||||
|
||||
# For password.mod.
|
||||
password_mod_SOURCES = commands/password.c
|
||||
|
|
@ -522,6 +523,11 @@ probe_mod_SOURCES = commands/probe.c
|
|||
probe_mod_CFLAGS = $(COMMON_CFLAGS)
|
||||
probe_mod_LDFLAGS = $(COMMON_LDFLAGS)
|
||||
|
||||
# For keystatus.mod.
|
||||
keystatus_mod_SOURCES = commands/keystatus.c
|
||||
keystatus_mod_CFLAGS = $(COMMON_CFLAGS)
|
||||
keystatus_mod_LDFLAGS = $(COMMON_LDFLAGS)
|
||||
|
||||
# For normal.mod.
|
||||
normal_mod_SOURCES = normal/main.c normal/cmdline.c normal/dyncmd.c \
|
||||
normal/auth.c normal/autofs.c normal/handler.c \
|
||||
|
|
|
|||
|
|
@ -110,7 +110,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
commands/handler.c commands/ls.c commands/test.c \
|
||||
commands/search.c commands/blocklist.c commands/hexdump.c \
|
||||
commands/gptsync.c commands/probe.c commands/xnu_uuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
lib/hexdump.c commands/i386/cpuid.c \
|
||||
disk/host.c disk/loopback.c \
|
||||
\
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
commands/configfile.c commands/help.c \
|
||||
commands/handler.c commands/ls.c commands/test.c \
|
||||
commands/search.c commands/hexdump.c lib/hexdump.c \
|
||||
commands/halt.c commands/reboot.c \
|
||||
commands/halt.c commands/reboot.c commands/keystatus.c \
|
||||
commands/i386/cpuid.c \
|
||||
commands/password.c \
|
||||
disk/loopback.c \
|
||||
|
|
|
|||
|
|
@ -66,7 +66,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
lib/hexdump.c commands/halt.c commands/reboot.c \
|
||||
commands/gptsync.c commands/probe.c commands/xnu_uuid.c \
|
||||
commands/i386/cpuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
disk/host.c disk/loopback.c \
|
||||
\
|
||||
fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \
|
||||
|
|
|
|||
|
|
@ -124,7 +124,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
lib/hexdump.c commands/i386/pc/halt.c commands/reboot.c \
|
||||
commands/gptsync.c commands/probe.c commands/xnu_uuid.c \
|
||||
commands/i386/cpuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
disk/host.c disk/loopback.c disk/scsi.c \
|
||||
fs/fshelp.c \
|
||||
\
|
||||
|
|
|
|||
|
|
@ -46,7 +46,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
commands/ls.c commands/blocklist.c commands/hexdump.c \
|
||||
lib/hexdump.c commands/halt.c commands/reboot.c \
|
||||
commands/gptsync.c commands/probe.c commands/xnu_uuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
disk/loopback.c \
|
||||
\
|
||||
fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \
|
||||
|
|
|
|||
|
|
@ -104,7 +104,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
commands/ls.c commands/blocklist.c commands/hexdump.c \
|
||||
lib/hexdump.c commands/halt.c commands/reboot.c \
|
||||
commands/gptsync.c commands/probe.c commands/xnu_uuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
disk/loopback.c \
|
||||
\
|
||||
fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \
|
||||
|
|
|
|||
|
|
@ -37,7 +37,7 @@ grub_emu_SOURCES = commands/minicmd.c commands/cat.c commands/cmp.c \
|
|||
commands/search.c commands/hexdump.c lib/hexdump.c \
|
||||
commands/halt.c commands/reboot.c \
|
||||
commands/i386/cpuid.c \
|
||||
commands/password.c \
|
||||
commands/password.c commands/keystatus.c \
|
||||
disk/loopback.c \
|
||||
\
|
||||
fs/affs.c fs/cpio.c fs/fat.c fs/ext2.c fs/hfs.c \
|
||||
|
|
|
|||
|
|
@ -78,8 +78,19 @@
|
|||
/* The data segment of the pseudo real mode. */
|
||||
#define GRUB_MEMORY_MACHINE_PSEUDO_REAL_DSEG 0x20
|
||||
|
||||
#define GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR 0x400
|
||||
|
||||
#ifndef ASM_FILE
|
||||
|
||||
/* See http://heim.ifi.uio.no/~stanisls/helppc/bios_data_area.html for a
|
||||
description of the BIOS Data Area layout. */
|
||||
struct grub_machine_bios_data_area
|
||||
{
|
||||
grub_uint8_t unused1[0x17];
|
||||
grub_uint8_t keyboard_flag_lower; /* 0x17 */
|
||||
grub_uint8_t unused2[0xf0 - 0x18];
|
||||
};
|
||||
|
||||
struct grub_machine_mmap_entry
|
||||
{
|
||||
grub_uint32_t size;
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2002,2003,2005,2007,2008 Free Software Foundation, Inc.
|
||||
* Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
|
|
@ -72,6 +72,12 @@ grub_term_color_state;
|
|||
#define GRUB_TERM_NEED_INIT (1 << 16)
|
||||
|
||||
|
||||
/* Bitmasks for modifier keys returned by grub_getkeystatus. */
|
||||
#define GRUB_TERM_STATUS_SHIFT (1 << 0)
|
||||
#define GRUB_TERM_STATUS_CTRL (1 << 1)
|
||||
#define GRUB_TERM_STATUS_ALT (1 << 2)
|
||||
|
||||
|
||||
/* Unicode characters for fancy graphics. */
|
||||
#define GRUB_TERM_DISP_LEFT 0x2190
|
||||
#define GRUB_TERM_DISP_UP 0x2191
|
||||
|
|
@ -157,6 +163,9 @@ struct grub_term_input
|
|||
|
||||
/* Get a character. */
|
||||
int (*getkey) (void);
|
||||
|
||||
/* Get keyboard modifier status. */
|
||||
int (*getkeystatus) (void);
|
||||
};
|
||||
typedef struct grub_term_input *grub_term_input_t;
|
||||
|
||||
|
|
@ -275,6 +284,7 @@ void EXPORT_FUNC(grub_putcode) (grub_uint32_t code);
|
|||
grub_ssize_t EXPORT_FUNC(grub_getcharwidth) (grub_uint32_t code);
|
||||
int EXPORT_FUNC(grub_getkey) (void);
|
||||
int EXPORT_FUNC(grub_checkkey) (void);
|
||||
int EXPORT_FUNC(grub_getkeystatus) (void);
|
||||
grub_uint16_t EXPORT_FUNC(grub_getwh) (void);
|
||||
grub_uint16_t EXPORT_FUNC(grub_getxy) (void);
|
||||
void EXPORT_FUNC(grub_gotoxy) (grub_uint8_t x, grub_uint8_t y);
|
||||
|
|
|
|||
|
|
@ -140,6 +140,15 @@ grub_checkkey (void)
|
|||
return (grub_cur_term_input->checkkey) ();
|
||||
}
|
||||
|
||||
int
|
||||
grub_getkeystatus (void)
|
||||
{
|
||||
if (grub_cur_term_input->getkeystatus)
|
||||
return (grub_cur_term_input->getkeystatus) ();
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
grub_uint16_t
|
||||
grub_getxy (void)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
/*
|
||||
* GRUB -- GRand Unified Bootloader
|
||||
* Copyright (C) 2002,2003,2005,2007,2008 Free Software Foundation, Inc.
|
||||
* Copyright (C) 2002,2003,2005,2007,2008,2009 Free Software Foundation, Inc.
|
||||
*
|
||||
* GRUB is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
|
|
@ -16,15 +16,40 @@
|
|||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <grub/machine/memory.h>
|
||||
#include <grub/machine/console.h>
|
||||
#include <grub/term.h>
|
||||
#include <grub/types.h>
|
||||
|
||||
static const struct grub_machine_bios_data_area *bios_data_area = GRUB_MEMORY_MACHINE_BIOS_DATA_AREA_ADDR;
|
||||
|
||||
#define KEYBOARD_LEFT_SHIFT (1 << 0)
|
||||
#define KEYBOARD_RIGHT_SHIFT (1 << 1)
|
||||
#define KEYBOARD_CTRL (1 << 2)
|
||||
#define KEYBOARD_ALT (1 << 3)
|
||||
|
||||
static int
|
||||
grub_console_getkeystatus (void)
|
||||
{
|
||||
grub_uint8_t status = bios_data_area->keyboard_flag_lower;
|
||||
int mods = 0;
|
||||
|
||||
if (status & (KEYBOARD_LEFT_SHIFT | KEYBOARD_RIGHT_SHIFT))
|
||||
mods |= GRUB_TERM_STATUS_SHIFT;
|
||||
if (status & KEYBOARD_CTRL)
|
||||
mods |= GRUB_TERM_STATUS_CTRL;
|
||||
if (status & KEYBOARD_ALT)
|
||||
mods |= GRUB_TERM_STATUS_ALT;
|
||||
|
||||
return mods;
|
||||
}
|
||||
|
||||
static struct grub_term_input grub_console_term_input =
|
||||
{
|
||||
.name = "console",
|
||||
.checkkey = grub_console_checkkey,
|
||||
.getkey = grub_console_getkey,
|
||||
.getkeystatus = grub_console_getkeystatus,
|
||||
};
|
||||
|
||||
static struct grub_term_output grub_console_term_output =
|
||||
|
|
|
|||
|
|
@ -58,6 +58,19 @@ static char keyboard_map_shift[128] =
|
|||
|
||||
static grub_usb_device_t usbdev;
|
||||
|
||||
/* Valid values for bmRequestType. See HID definition version 1.11 section
|
||||
7.2. */
|
||||
#define USB_HID_HOST_TO_DEVICE 0x21
|
||||
#define USB_HID_DEVICE_TO_HOST 0x61
|
||||
|
||||
/* Valid values for bRequest. See HID definition version 1.11 section 7.2. */
|
||||
#define USB_HID_GET_REPORT 0x01
|
||||
#define USB_HID_GET_IDLE 0x02
|
||||
#define USB_HID_GET_PROTOCOL 0x03
|
||||
#define USB_HID_SET_REPORT 0x09
|
||||
#define USB_HID_SET_IDLE 0x0A
|
||||
#define USB_HID_SET_PROTOCOL 0x0B
|
||||
|
||||
static void
|
||||
grub_usb_hid (void)
|
||||
{
|
||||
|
|
@ -90,17 +103,19 @@ grub_usb_hid (void)
|
|||
grub_usb_iterate (usb_iterate);
|
||||
|
||||
/* Place the device in boot mode. */
|
||||
grub_usb_control_msg (usbdev, 0x21, 0x0B, 0, 0, 0, 0);
|
||||
grub_usb_control_msg (usbdev, USB_HID_HOST_TO_DEVICE, USB_HID_SET_PROTOCOL,
|
||||
0, 0, 0, 0);
|
||||
|
||||
/* Reports every time an event occurs and not more often than that. */
|
||||
grub_usb_control_msg (usbdev, 0x21, 0x0A, 0<<8, 0, 0, 0);
|
||||
grub_usb_control_msg (usbdev, USB_HID_HOST_TO_DEVICE, USB_HID_SET_IDLE,
|
||||
0<<8, 0, 0, 0);
|
||||
}
|
||||
|
||||
static grub_err_t
|
||||
grub_usb_keyboard_getreport (grub_usb_device_t dev, grub_uint8_t *report)
|
||||
{
|
||||
return grub_usb_control_msg (dev, (1 << 7) | (1 << 5) | 1, 0x01, 0, 0,
|
||||
8, (char *) report);
|
||||
return grub_usb_control_msg (dev, USB_HID_DEVICE_TO_HOST, USB_HID_GET_REPORT,
|
||||
0, 0, 8, (char *) report);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -151,7 +166,8 @@ grub_usb_keyboard_checkkey (void)
|
|||
/* Wait until the key is released. */
|
||||
while (!err && data[2])
|
||||
{
|
||||
err = grub_usb_control_msg (usbdev, (1 << 7) | (1 << 5) | 1, 0x01, 0, 0,
|
||||
err = grub_usb_control_msg (usbdev, USB_HID_DEVICE_TO_HOST,
|
||||
USB_HID_GET_REPORT, 0, 0,
|
||||
sizeof (data), (char *) data);
|
||||
grub_dprintf ("usb_keyboard",
|
||||
"report2: 0x%02x 0x%02x 0x%02x 0x%02x"
|
||||
|
|
@ -238,11 +254,67 @@ grub_usb_keyboard_getkey (void)
|
|||
return key;
|
||||
}
|
||||
|
||||
static int
|
||||
grub_usb_keyboard_getkeystatus (void)
|
||||
{
|
||||
grub_uint8_t data[8];
|
||||
int mods = 0;
|
||||
grub_err_t err;
|
||||
grub_uint64_t currtime;
|
||||
int timeout = 50;
|
||||
|
||||
/* Set idle time to the minimum offered by the spec (4 milliseconds) so
|
||||
that we can find out the current state. */
|
||||
grub_usb_control_msg (usbdev, USB_HID_HOST_TO_DEVICE, USB_HID_SET_IDLE,
|
||||
0<<8, 0, 0, 0);
|
||||
|
||||
currtime = grub_get_time_ms ();
|
||||
do
|
||||
{
|
||||
/* Get_Report. */
|
||||
err = grub_usb_keyboard_getreport (usbdev, data);
|
||||
|
||||
/* Implement a timeout. */
|
||||
if (grub_get_time_ms () > currtime + timeout)
|
||||
break;
|
||||
}
|
||||
while (err || !data[0]);
|
||||
|
||||
/* Go back to reporting every time an event occurs and not more often than
|
||||
that. */
|
||||
grub_usb_control_msg (usbdev, USB_HID_HOST_TO_DEVICE, USB_HID_SET_IDLE,
|
||||
0<<8, 0, 0, 0);
|
||||
|
||||
/* We allowed a while for modifiers to show up in the report, but it is
|
||||
not an error if they never did. */
|
||||
if (err)
|
||||
return -1;
|
||||
|
||||
grub_dprintf ("usb_keyboard",
|
||||
"report: 0x%02x 0x%02x 0x%02x 0x%02x"
|
||||
" 0x%02x 0x%02x 0x%02x 0x%02x\n",
|
||||
data[0], data[1], data[2], data[3],
|
||||
data[4], data[5], data[6], data[7]);
|
||||
|
||||
/* Check Shift, Control, and Alt status. */
|
||||
if (data[0] & 0x02 || data[0] & 0x20)
|
||||
mods |= GRUB_TERM_STATUS_SHIFT;
|
||||
if (data[0] & 0x01 || data[0] & 0x10)
|
||||
mods |= GRUB_TERM_STATUS_CTRL;
|
||||
if (data[0] & 0x04 || data[0] & 0x40)
|
||||
mods |= GRUB_TERM_STATUS_ALT;
|
||||
|
||||
grub_errno = GRUB_ERR_NONE;
|
||||
|
||||
return mods;
|
||||
}
|
||||
|
||||
static struct grub_term_input grub_usb_keyboard_term =
|
||||
{
|
||||
.name = "usb_keyboard",
|
||||
.checkkey = grub_usb_keyboard_checkkey,
|
||||
.getkey = grub_usb_keyboard_getkey,
|
||||
.getkeystatus = grub_usb_keyboard_getkeystatus,
|
||||
.next = 0
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue