516 lines
15 KiB
C
516 lines
15 KiB
C
/*
|
|
* This file is part of the libpayload project.
|
|
*
|
|
* Copyright (C) 2008-2010 coresystems GmbH
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
// #define USB_DEBUG
|
|
|
|
#include <keycodes.h>
|
|
#include <usb/usb.h>
|
|
|
|
enum { hid_subclass_none = 0, hid_subclass_boot = 1 };
|
|
typedef enum { hid_proto_boot = 0, hid_proto_report = 1 } hid_proto;
|
|
enum { hid_boot_proto_none = 0, hid_boot_proto_keyboard =
|
|
1, hid_boot_proto_mouse = 2
|
|
};
|
|
static const char *boot_protos[3] = { "(none)", "keyboard", "mouse" };
|
|
enum { GET_REPORT = 0x1, GET_IDLE = 0x2, GET_PROTOCOL = 0x3, SET_REPORT =
|
|
0x9, SET_IDLE = 0xa, SET_PROTOCOL = 0xb
|
|
};
|
|
|
|
typedef union {
|
|
struct {
|
|
u8 modifiers;
|
|
u8 repeats;
|
|
u8 keys[6];
|
|
};
|
|
u8 buffer[8];
|
|
} usb_hid_keyboard_event_t;
|
|
|
|
typedef struct {
|
|
void* queue;
|
|
hid_descriptor_t *descriptor;
|
|
|
|
usb_hid_keyboard_event_t previous;
|
|
int lastkeypress;
|
|
int repeat_delay;
|
|
} usbhid_inst_t;
|
|
|
|
#define HID_INST(dev) ((usbhid_inst_t*)(dev)->data)
|
|
|
|
static void
|
|
usb_hid_destroy (usbdev_t *dev)
|
|
{
|
|
if (HID_INST(dev)->queue) {
|
|
int i;
|
|
for (i = 0; i <= dev->num_endp; i++) {
|
|
if (dev->endpoints[i].endpoint == 0)
|
|
continue;
|
|
if (dev->endpoints[i].type != INTERRUPT)
|
|
continue;
|
|
if (dev->endpoints[i].direction != IN)
|
|
continue;
|
|
break;
|
|
}
|
|
dev->controller->destroy_intr_queue(
|
|
&dev->endpoints[i], HID_INST(dev)->queue);
|
|
HID_INST(dev)->queue = NULL;
|
|
}
|
|
free (dev->data);
|
|
}
|
|
|
|
/* keybuffer is global to all USB keyboards */
|
|
static int keycount;
|
|
#define KEYBOARD_BUFFER_SIZE 16
|
|
static short keybuffer[KEYBOARD_BUFFER_SIZE];
|
|
|
|
const char *countries[36][2] = {
|
|
{ "not supported", "us" },
|
|
{ "Arabic", "ae" },
|
|
{ "Belgian", "be" },
|
|
{ "Canadian-Bilingual", "ca" },
|
|
{ "Canadian-French", "ca" },
|
|
{ "Czech Republic", "cz" },
|
|
{ "Danish", "dk" },
|
|
{ "Finnish", "fi" },
|
|
{ "French", "fr" },
|
|
{ "German", "de" },
|
|
{ "Greek", "gr" },
|
|
{ "Hebrew", "il" },
|
|
{ "Hungary", "hu" },
|
|
{ "International (ISO)", "iso" },
|
|
{ "Italian", "it" },
|
|
{ "Japan (Katakana)", "jp" },
|
|
{ "Korean", "us" },
|
|
{ "Latin American", "us" },
|
|
{ "Netherlands/Dutch", "nl" },
|
|
{ "Norwegian", "no" },
|
|
{ "Persian (Farsi)", "ir" },
|
|
{ "Poland", "pl" },
|
|
{ "Portuguese", "pt" },
|
|
{ "Russia", "ru" },
|
|
{ "Slovakia", "sl" },
|
|
{ "Spanish", "es" },
|
|
{ "Swedish", "se" },
|
|
{ "Swiss/French", "ch" },
|
|
{ "Swiss/German", "ch" },
|
|
{ "Switzerland", "ch" },
|
|
{ "Taiwan", "tw" },
|
|
{ "Turkish-Q", "tr" },
|
|
{ "UK", "uk" },
|
|
{ "US", "us" },
|
|
{ "Yugoslavia", "yu" },
|
|
{ "Turkish-F", "tr" },
|
|
/* 36 - 255: Reserved */
|
|
};
|
|
|
|
|
|
|
|
struct layout_maps {
|
|
const char *country;
|
|
const short map[4][0x80];
|
|
};
|
|
|
|
static const struct layout_maps *map;
|
|
|
|
static const struct layout_maps keyboard_layouts[] = {
|
|
// #if IS_ENABLED(CONFIG_LP_PC_KEYBOARD_LAYOUT_US)
|
|
{ .country = "us", .map = {
|
|
{ /* No modifier */
|
|
-1, -1, -1, -1, 'a', 'b', 'c', 'd',
|
|
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
|
|
/* 0x10 */
|
|
'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
|
|
'u', 'v', 'w', 'x', 'y', 'z', '1', '2',
|
|
/* 0x20 */
|
|
'3', '4', '5', '6', '7', '8', '9', '0',
|
|
'\n', '\e', '\b', '\t', ' ', '-', '=', '[',
|
|
/* 0x30 */
|
|
']', '\\', -1, ';', '\'', '`', ',', '.',
|
|
'/', -1 /* CapsLk */, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6),
|
|
/* 0x40 */
|
|
KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), KEY_F(11), KEY_F(12), KEY_PRINT, -1 /* ScrLk */,
|
|
KEY_BREAK, KEY_IC, KEY_HOME, KEY_PPAGE, KEY_DC, KEY_END, KEY_NPAGE, KEY_RIGHT,
|
|
/* 50 */
|
|
KEY_LEFT, KEY_DOWN, KEY_UP, -1 /*NumLck*/, '/', '*', '-' /* = ? */, '+',
|
|
KEY_ENTER, KEY_END, KEY_DOWN, KEY_NPAGE, KEY_LEFT, -1, KEY_RIGHT, KEY_HOME,
|
|
/* 60 */
|
|
KEY_UP, KEY_PPAGE, -1, KEY_DC, -1 /* < > | */, -1 /* Win Key Right */, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
/* 70 */
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
},
|
|
{ /* Shift modifier */
|
|
-1, -1, -1, -1, 'A', 'B', 'C', 'D',
|
|
'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
|
|
/* 0x10 */
|
|
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
|
|
'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@',
|
|
/* 0x20 */
|
|
'#', '$', '%', '^', '&', '*', '(', ')',
|
|
'\n', '\e', '\b', '\t', ' ', '_', '+', '[',
|
|
/* 0x30 */
|
|
']', '\\', -1, ':', '\'', '`', ',', '.',
|
|
'/', -1 /* CapsLk */, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6),
|
|
/* 0x40 */
|
|
KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), KEY_F(11), KEY_F(12), KEY_PRINT, -1 /* ScrLk */,
|
|
KEY_BREAK, KEY_IC, KEY_HOME, KEY_PPAGE, KEY_DC, KEY_END, KEY_NPAGE, KEY_RIGHT,
|
|
/* 50 */
|
|
KEY_LEFT, KEY_DOWN, KEY_UP, -1 /*NumLck*/, '/', '*', '-' /* = ? */, '+',
|
|
KEY_ENTER, KEY_END, KEY_DOWN, KEY_NPAGE, KEY_LEFT, -1, KEY_RIGHT, KEY_HOME,
|
|
/* 60 */
|
|
KEY_UP, KEY_PPAGE, -1, KEY_DC, -1 /* < > | */, -1 /* Win Key Right */, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
/* 70 */
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
},
|
|
{ /* Alt */
|
|
-1, -1, -1, -1, 'a', 'b', 'c', 'd',
|
|
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l',
|
|
/* 0x10 */
|
|
'm', 'n', 'o', 'p', 'q', 'r', 's', 't',
|
|
'u', 'v', 'w', 'x', 'y', 'z', '1', '2',
|
|
/* 0x20 */
|
|
'3', '4', '5', '6', '7', '8', '9', '0',
|
|
'\n', '\e', '\b', '\t', ' ', '-', '=', '[',
|
|
/* 0x30 */
|
|
']', '\\', -1, ';', '\'', '`', ',', '.',
|
|
'/', -1 /* CapsLk */, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6),
|
|
/* 0x40 */
|
|
KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), KEY_F(11), KEY_F(12), KEY_PRINT, -1 /* ScrLk */,
|
|
KEY_BREAK, KEY_IC, KEY_HOME, KEY_PPAGE, KEY_DC, KEY_END, KEY_NPAGE, KEY_RIGHT,
|
|
/* 50 */
|
|
KEY_LEFT, KEY_DOWN, KEY_UP, -1 /*NumLck*/, '/', '*', '-' /* = ? */, '+',
|
|
KEY_ENTER, KEY_END, KEY_DOWN, KEY_NPAGE, KEY_LEFT, -1, KEY_RIGHT, KEY_HOME,
|
|
/* 60 */
|
|
KEY_UP, KEY_PPAGE, -1, KEY_DC, -1 /* < > | */, -1 /* Win Key Right */, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
/* 70 */
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
},
|
|
{ /* Shift+Alt modifier */
|
|
-1, -1, -1, -1, 'A', 'B', 'C', 'D',
|
|
'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
|
|
/* 0x10 */
|
|
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
|
|
'U', 'V', 'W', 'X', 'Y', 'Z', '!', '@',
|
|
/* 0x20 */
|
|
'#', '$', '%', '^', '&', '*', '(', ')',
|
|
'\n', '\e', '\b', '\t', ' ', '-', '=', '[',
|
|
/* 0x30 */
|
|
']', '\\', -1, ':', '\'', '`', ',', '.',
|
|
'/', -1 /* CapsLk */, KEY_F(1), KEY_F(2), KEY_F(3), KEY_F(4), KEY_F(5), KEY_F(6),
|
|
/* 0x40 */
|
|
KEY_F(7), KEY_F(8), KEY_F(9), KEY_F(10), KEY_F(11), KEY_F(12), KEY_PRINT, -1 /* ScrLk */,
|
|
KEY_BREAK, KEY_IC, KEY_HOME, KEY_PPAGE, KEY_DC, KEY_END, KEY_NPAGE, KEY_RIGHT,
|
|
/* 50 */
|
|
KEY_LEFT, KEY_DOWN, KEY_UP, -1 /*NumLck*/, '/', '*', '-' /* = ? */, '+',
|
|
KEY_ENTER, KEY_END, KEY_DOWN, KEY_NPAGE, KEY_LEFT, -1, KEY_RIGHT, KEY_HOME,
|
|
/* 60 */
|
|
KEY_UP, KEY_PPAGE, -1, KEY_DC, -1 /* < > | */, -1 /* Win Key Right */, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
/* 70 */
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
-1, -1, -1, -1, -1, -1, -1, -1,
|
|
}
|
|
}},
|
|
//#endif
|
|
};
|
|
|
|
#define MOD_SHIFT (1 << 0)
|
|
#define MOD_ALT (1 << 1)
|
|
#define MOD_CTRL (1 << 2)
|
|
|
|
static void usb_hid_keyboard_queue(int ch) {
|
|
/* ignore key presses if buffer full */
|
|
if (keycount < KEYBOARD_BUFFER_SIZE)
|
|
keybuffer[keycount++] = ch;
|
|
}
|
|
|
|
#define KEYBOARD_REPEAT_MS 30
|
|
#define INITIAL_REPEAT_DELAY 10
|
|
#define REPEAT_DELAY 2
|
|
|
|
static void
|
|
usb_hid_process_keyboard_event(usbhid_inst_t *const inst,
|
|
const usb_hid_keyboard_event_t *const current)
|
|
{
|
|
const usb_hid_keyboard_event_t *const previous = &inst->previous;
|
|
|
|
int i, keypress = 0, modifiers = 0;
|
|
|
|
if (current->modifiers & 0x01) /* Left-Ctrl */ modifiers |= MOD_CTRL;
|
|
if (current->modifiers & 0x02) /* Left-Shift */ modifiers |= MOD_SHIFT;
|
|
if (current->modifiers & 0x04) /* Left-Alt */ modifiers |= MOD_ALT;
|
|
if (current->modifiers & 0x08) /* Left-GUI */ ;
|
|
if (current->modifiers & 0x10) /* Right-Ctrl */ modifiers |= MOD_CTRL;
|
|
if (current->modifiers & 0x20) /* Right-Shift */ modifiers |= MOD_SHIFT;
|
|
if (current->modifiers & 0x40) /* Right-AltGr */ modifiers |= MOD_ALT;
|
|
if (current->modifiers & 0x80) /* Right-GUI */ ;
|
|
|
|
if ((current->modifiers & 0x05) && ((current->keys[0] == 0x4c) ||
|
|
(current->keys[0]==0x63))) {
|
|
/* vulcan nerve pinch */
|
|
if (reset_handler)
|
|
reset_handler();
|
|
}
|
|
|
|
/* Did the event change at all? */
|
|
if (inst->lastkeypress &&
|
|
!memcmp(current, previous, sizeof(*current))) {
|
|
/* No. Then it's a key repeat event. */
|
|
if (inst->repeat_delay) {
|
|
inst->repeat_delay--;
|
|
} else {
|
|
usb_hid_keyboard_queue(inst->lastkeypress);
|
|
inst->repeat_delay = REPEAT_DELAY;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
inst->lastkeypress = 0;
|
|
|
|
for (i=0; i<6; i++) {
|
|
int j;
|
|
int skip = 0;
|
|
// No more keys? skip
|
|
if (current->keys[i] == 0)
|
|
return;
|
|
|
|
for (j=0; j<6; j++) {
|
|
if (current->keys[i] == previous->keys[j]) {
|
|
skip = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (skip)
|
|
continue;
|
|
|
|
|
|
/* Mask off MOD_CTRL */
|
|
keypress = map->map[modifiers & 0x03][current->keys[i]];
|
|
|
|
if (modifiers & MOD_CTRL) {
|
|
switch (keypress) {
|
|
case 'a' ... 'z':
|
|
keypress &= 0x1f;
|
|
break;
|
|
default:
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (keypress == -1) {
|
|
/* Debug: Print unknown keys */
|
|
usb_debug ("usbhid: <%x> %x [ %x %x %x %x %x %x ] %d\n",
|
|
current->modifiers, current->repeats,
|
|
current->keys[0], current->keys[1],
|
|
current->keys[2], current->keys[3],
|
|
current->keys[4], current->keys[5], i);
|
|
|
|
/* Unknown key? Try next one in the queue */
|
|
continue;
|
|
}
|
|
|
|
usb_hid_keyboard_queue(keypress);
|
|
|
|
/* Remember for authentic key repeat */
|
|
inst->lastkeypress = keypress;
|
|
inst->repeat_delay = INITIAL_REPEAT_DELAY;
|
|
}
|
|
}
|
|
|
|
static void
|
|
usb_hid_poll (usbdev_t *dev)
|
|
{
|
|
usb_hid_keyboard_event_t current;
|
|
const u8 *buf;
|
|
|
|
while ((buf=dev->controller->poll_intr_queue (HID_INST(dev)->queue))) {
|
|
memcpy(¤t.buffer, buf, 8);
|
|
usb_hid_process_keyboard_event(HID_INST(dev), ¤t);
|
|
HID_INST(dev)->previous = current;
|
|
}
|
|
}
|
|
|
|
static void
|
|
usb_hid_set_idle (usbdev_t *dev, interface_descriptor_t *interface, u16 duration)
|
|
{
|
|
dev_req_t dr;
|
|
dr.data_dir = host_to_device;
|
|
dr.req_type = class_type;
|
|
dr.req_recp = iface_recp;
|
|
dr.bRequest = SET_IDLE;
|
|
dr.wValue = (duration >> 2) << 8;
|
|
dr.wIndex = interface->bInterfaceNumber;
|
|
dr.wLength = 0;
|
|
dev->controller->control (dev, OUT, sizeof (dev_req_t), &dr, 0, 0);
|
|
}
|
|
|
|
static void
|
|
usb_hid_set_protocol (usbdev_t *dev, interface_descriptor_t *interface, hid_proto proto)
|
|
{
|
|
dev_req_t dr;
|
|
dr.data_dir = host_to_device;
|
|
dr.req_type = class_type;
|
|
dr.req_recp = iface_recp;
|
|
dr.bRequest = SET_PROTOCOL;
|
|
dr.wValue = proto;
|
|
dr.wIndex = interface->bInterfaceNumber;
|
|
dr.wLength = 0;
|
|
dev->controller->control (dev, OUT, sizeof (dev_req_t), &dr, 0, 0);
|
|
}
|
|
|
|
static struct console_input_driver cons = {
|
|
.havekey = usbhid_havechar,
|
|
.getchar = usbhid_getchar,
|
|
.input_type = CONSOLE_INPUT_TYPE_USB,
|
|
};
|
|
|
|
|
|
static int usb_hid_set_layout (const char *country)
|
|
{
|
|
/* FIXME should be per keyboard */
|
|
int i;
|
|
|
|
for (i=0; i<ARRAY_SIZE(keyboard_layouts); i++) {
|
|
if (strncmp(keyboard_layouts[i].country, country,
|
|
strlen(keyboard_layouts[i].country)))
|
|
continue;
|
|
|
|
/* Found, changing keyboard layout */
|
|
map = &keyboard_layouts[i];
|
|
usb_debug(" Keyboard layout '%s'\n", map->country);
|
|
return 0;
|
|
}
|
|
|
|
usb_debug(" Keyboard layout '%s' not found, using '%s'\n",
|
|
country, map->country);
|
|
|
|
/* Nothing found, not changed */
|
|
return -1;
|
|
}
|
|
|
|
void
|
|
usb_hid_init (usbdev_t *dev)
|
|
{
|
|
|
|
static int installed = 0;
|
|
if (!installed) {
|
|
installed = 1;
|
|
console_add_input_driver (&cons);
|
|
}
|
|
|
|
configuration_descriptor_t *cd = (configuration_descriptor_t*)dev->configuration;
|
|
interface_descriptor_t *interface = (interface_descriptor_t*)(((char *) cd) + cd->bLength);
|
|
|
|
if (interface->bInterfaceSubClass == hid_subclass_boot) {
|
|
u8 countrycode;
|
|
usb_debug (" supports boot interface..\n");
|
|
usb_debug (" it's a %s\n",
|
|
boot_protos[interface->bInterfaceProtocol]);
|
|
switch (interface->bInterfaceProtocol) {
|
|
case hid_boot_proto_keyboard:
|
|
dev->data = malloc (sizeof (usbhid_inst_t));
|
|
if (!dev->data)
|
|
fatal("Not enough memory for USB HID device.\n");
|
|
memset(&HID_INST(dev)->previous, 0x00,
|
|
sizeof(HID_INST(dev)->previous));
|
|
usb_debug (" configuring...\n");
|
|
usb_hid_set_protocol(dev, interface, hid_proto_boot);
|
|
usb_hid_set_idle(dev, interface, KEYBOARD_REPEAT_MS);
|
|
usb_debug (" activating...\n");
|
|
|
|
hid_descriptor_t *desc = malloc(sizeof(hid_descriptor_t));
|
|
if (!desc || get_descriptor(dev, gen_bmRequestType(
|
|
device_to_host, standard_type, iface_recp),
|
|
0x21, 0, desc, sizeof(*desc)) != sizeof(*desc)) {
|
|
usb_debug ("get_descriptor(HID) failed\n");
|
|
usb_detach_device (dev->controller, dev->address);
|
|
return;
|
|
}
|
|
HID_INST (dev)->descriptor = desc;
|
|
countrycode = desc->bCountryCode;
|
|
/* 35 countries defined: */
|
|
if (countrycode >= ARRAY_SIZE(countries))
|
|
countrycode = 0;
|
|
usb_debug (" Keyboard has %s layout (country code %02x)\n",
|
|
countries[countrycode][0], countrycode);
|
|
|
|
/* Set keyboard layout accordingly */
|
|
usb_hid_set_layout(countries[countrycode][1]);
|
|
|
|
// only add here, because we only support boot-keyboard HID devices
|
|
dev->destroy = usb_hid_destroy;
|
|
dev->poll = usb_hid_poll;
|
|
int i;
|
|
for (i = 1; i < dev->num_endp; i++) {
|
|
if (dev->endpoints[i].type != INTERRUPT)
|
|
continue;
|
|
if (dev->endpoints[i].direction != IN)
|
|
continue;
|
|
break;
|
|
}
|
|
if (i >= dev->num_endp) {
|
|
usb_debug ("Could not find HID endpoint\n");
|
|
usb_detach_device (dev->controller, dev->address);
|
|
return;
|
|
}
|
|
usb_debug (" found endpoint %x for interrupt-in\n", i);
|
|
/* 20 buffers of 8 bytes, for every 10 msecs */
|
|
HID_INST(dev)->queue = dev->controller->create_intr_queue (&dev->endpoints[i], 8, 20, 10);
|
|
keycount = 0;
|
|
usb_debug (" configuration done.\n");
|
|
break;
|
|
case hid_boot_proto_mouse:
|
|
usb_debug("NOTICE: USB mice are not supported.\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
int usbhid_havechar (void)
|
|
{
|
|
return (keycount != 0);
|
|
}
|
|
|
|
int usbhid_getchar (void)
|
|
{
|
|
short ret;
|
|
|
|
if (keycount == 0)
|
|
return 0;
|
|
ret = keybuffer[0];
|
|
memmove(keybuffer, keybuffer + 1, --keycount);
|
|
|
|
return (int)ret;
|
|
}
|