diff options
Diffstat (limited to 'usr.sbin/bluetooth/bthidd/kbd.c')
| -rw-r--r-- | usr.sbin/bluetooth/bthidd/kbd.c | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/usr.sbin/bluetooth/bthidd/kbd.c b/usr.sbin/bluetooth/bthidd/kbd.c deleted file mode 100644 index e1ab870..0000000 --- a/usr.sbin/bluetooth/bthidd/kbd.c +++ /dev/null @@ -1,580 +0,0 @@ -/* - * kbd.c - */ - -/*- - * Copyright (c) 2006 Maksim Yevmenkin <m_evmenkin@yahoo.com> - * All rights reserved. - * - * 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. - * - * 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. - * - * $Id: kbd.c,v 1.4 2006/09/07 21:06:53 max Exp $ - * $FreeBSD$ - */ - -#include <sys/consio.h> -#include <sys/ioctl.h> -#include <sys/kbio.h> -#include <sys/queue.h> -#include <sys/wait.h> -#include <assert.h> -#include <bluetooth.h> -#include <dev/usb/usb.h> -#include <dev/usb/usbhid.h> -#include <dev/vkbd/vkbd_var.h> -#include <errno.h> -#include <fcntl.h> -#include <limits.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <syslog.h> -#include <unistd.h> -#include <usbhid.h> -#include "bthid_config.h" -#include "bthidd.h" -#include "kbd.h" - -static void kbd_write(bitstr_t *m, int32_t fb, int32_t make, int32_t fd); -static int32_t kbd_xlate(int32_t code, int32_t make, int32_t *b, int32_t const *eob); - -/* - * HID code to PS/2 set 1 code translation table. - * - * http://www.microsoft.com/whdc/device/input/Scancode.mspx - * - * The table only contains "make" (key pressed) codes. - * The "break" (key released) code is generated as "make" | 0x80 - */ - -#define E0PREFIX (1 << 31) -#define NOBREAK (1 << 30) -#define CODEMASK (~(E0PREFIX|NOBREAK)) - -static int32_t const x[] = -{ -/*==================================================*/ -/* Name HID code Make Break*/ -/*==================================================*/ -/* No Event 00 */ -1, /* None */ -/* Overrun Error 01 */ NOBREAK|0xFF, /* None */ -/* POST Fail 02 */ NOBREAK|0xFC, /* None */ -/* ErrorUndefined 03 */ -1, /* Unassigned */ -/* a A 04 */ 0x1E, /* 9E */ -/* b B 05 */ 0x30, /* B0 */ -/* c C 06 */ 0x2E, /* AE */ -/* d D 07 */ 0x20, /* A0 */ -/* e E 08 */ 0x12, /* 92 */ -/* f F 09 */ 0x21, /* A1 */ -/* g G 0A */ 0x22, /* A2 */ -/* h H 0B */ 0x23, /* A3 */ -/* i I 0C */ 0x17, /* 97 */ -/* j J 0D */ 0x24, /* A4 */ -/* k K 0E */ 0x25, /* A5 */ -/* l L 0F */ 0x26, /* A6 */ -/* m M 10 */ 0x32, /* B2 */ -/* n N 11 */ 0x31, /* B1 */ -/* o O 12 */ 0x18, /* 98 */ -/* p P 13 */ 0x19, /* 99 */ -/* q Q 14 */ 0x10, /* 90 */ -/* r R 15 */ 0x13, /* 93 */ -/* s S 16 */ 0x1F, /* 9F */ -/* t T 17 */ 0x14, /* 94 */ -/* u U 18 */ 0x16, /* 96 */ -/* v V 19 */ 0x2F, /* AF */ -/* w W 1A */ 0x11, /* 91 */ -/* x X 1B */ 0x2D, /* AD */ -/* y Y 1C */ 0x15, /* 95 */ -/* z Z 1D */ 0x2C, /* AC */ -/* 1 ! 1E */ 0x02, /* 82 */ -/* 2 @ 1F */ 0x03, /* 83 */ -/* 3 # 20 */ 0x04, /* 84 */ -/* 4 $ 21 */ 0x05, /* 85 */ -/* 5 % 22 */ 0x06, /* 86 */ -/* 6 ^ 23 */ 0x07, /* 87 */ -/* 7 & 24 */ 0x08, /* 88 */ -/* 8 * 25 */ 0x09, /* 89 */ -/* 9 ( 26 */ 0x0A, /* 8A */ -/* 0 ) 27 */ 0x0B, /* 8B */ -/* Return 28 */ 0x1C, /* 9C */ -/* Escape 29 */ 0x01, /* 81 */ -/* Backspace 2A */ 0x0E, /* 8E */ -/* Tab 2B */ 0x0F, /* 8F */ -/* Space 2C */ 0x39, /* B9 */ -/* - _ 2D */ 0x0C, /* 8C */ -/* = + 2E */ 0x0D, /* 8D */ -/* [ { 2F */ 0x1A, /* 9A */ -/* ] } 30 */ 0x1B, /* 9B */ -/* \ | 31 */ 0x2B, /* AB */ -/* Europe 1 32 */ 0x2B, /* AB */ -/* ; : 33 */ 0x27, /* A7 */ -/* " ' 34 */ 0x28, /* A8 */ -/* ` ~ 35 */ 0x29, /* A9 */ -/* comma < 36 */ 0x33, /* B3 */ -/* . > 37 */ 0x34, /* B4 */ -/* / ? 38 */ 0x35, /* B5 */ -/* Caps Lock 39 */ 0x3A, /* BA */ -/* F1 3A */ 0x3B, /* BB */ -/* F2 3B */ 0x3C, /* BC */ -/* F3 3C */ 0x3D, /* BD */ -/* F4 3D */ 0x3E, /* BE */ -/* F5 3E */ 0x3F, /* BF */ -/* F6 3F */ 0x40, /* C0 */ -/* F7 40 */ 0x41, /* C1 */ -/* F8 41 */ 0x42, /* C2 */ -/* F9 42 */ 0x43, /* C3 */ -/* F10 43 */ 0x44, /* C4 */ -/* F11 44 */ 0x57, /* D7 */ -/* F12 45 */ 0x58, /* D8 */ -/* Print Screen 46 */ E0PREFIX|0x37, /* E0 B7 */ -/* Scroll Lock 47 */ 0x46, /* C6 */ -#if 0 -/* Break (Ctrl-Pause) 48 */ E0 46 E0 C6, /* None */ -/* Pause 48 */ E1 1D 45 E1 9D C5, /* None */ -#else -/* Break (Ctrl-Pause)/Pause 48 */ NOBREAK /* Special case */, /* None */ -#endif -/* Insert 49 */ E0PREFIX|0x52, /* E0 D2 */ -/* Home 4A */ E0PREFIX|0x47, /* E0 C7 */ -/* Page Up 4B */ E0PREFIX|0x49, /* E0 C9 */ -/* Delete 4C */ E0PREFIX|0x53, /* E0 D3 */ -/* End 4D */ E0PREFIX|0x4F, /* E0 CF */ -/* Page Down 4E */ E0PREFIX|0x51, /* E0 D1 */ -/* Right Arrow 4F */ E0PREFIX|0x4D, /* E0 CD */ -/* Left Arrow 50 */ E0PREFIX|0x4B, /* E0 CB */ -/* Down Arrow 51 */ E0PREFIX|0x50, /* E0 D0 */ -/* Up Arrow 52 */ E0PREFIX|0x48, /* E0 C8 */ -/* Num Lock 53 */ 0x45, /* C5 */ -/* Keypad / 54 */ E0PREFIX|0x35, /* E0 B5 */ -/* Keypad * 55 */ 0x37, /* B7 */ -/* Keypad - 56 */ 0x4A, /* CA */ -/* Keypad + 57 */ 0x4E, /* CE */ -/* Keypad Enter 58 */ E0PREFIX|0x1C, /* E0 9C */ -/* Keypad 1 End 59 */ 0x4F, /* CF */ -/* Keypad 2 Down 5A */ 0x50, /* D0 */ -/* Keypad 3 PageDn 5B */ 0x51, /* D1 */ -/* Keypad 4 Left 5C */ 0x4B, /* CB */ -/* Keypad 5 5D */ 0x4C, /* CC */ -/* Keypad 6 Right 5E */ 0x4D, /* CD */ -/* Keypad 7 Home 5F */ 0x47, /* C7 */ -/* Keypad 8 Up 60 */ 0x48, /* C8 */ -/* Keypad 9 PageUp 61 */ 0x49, /* C9 */ -/* Keypad 0 Insert 62 */ 0x52, /* D2 */ -/* Keypad . Delete 63 */ 0x53, /* D3 */ -/* Europe 2 64 */ 0x56, /* D6 */ -/* App 65 */ E0PREFIX|0x5D, /* E0 DD */ -/* Keyboard Power 66 */ E0PREFIX|0x5E, /* E0 DE */ -/* Keypad = 67 */ 0x59, /* D9 */ -/* F13 68 */ 0x64, /* E4 */ -/* F14 69 */ 0x65, /* E5 */ -/* F15 6A */ 0x66, /* E6 */ -/* F16 6B */ 0x67, /* E7 */ -/* F17 6C */ 0x68, /* E8 */ -/* F18 6D */ 0x69, /* E9 */ -/* F19 6E */ 0x6A, /* EA */ -/* F20 6F */ 0x6B, /* EB */ -/* F21 70 */ 0x6C, /* EC */ -/* F22 71 */ 0x6D, /* ED */ -/* F23 72 */ 0x6E, /* EE */ -/* F24 73 */ 0x76, /* F6 */ -/* Keyboard Execute 74 */ -1, /* Unassigned */ -/* Keyboard Help 75 */ -1, /* Unassigned */ -/* Keyboard Menu 76 */ -1, /* Unassigned */ -/* Keyboard Select 77 */ -1, /* Unassigned */ -/* Keyboard Stop 78 */ -1, /* Unassigned */ -/* Keyboard Again 79 */ -1, /* Unassigned */ -/* Keyboard Undo 7A */ -1, /* Unassigned */ -/* Keyboard Cut 7B */ -1, /* Unassigned */ -/* Keyboard Copy 7C */ -1, /* Unassigned */ -/* Keyboard Paste 7D */ -1, /* Unassigned */ -/* Keyboard Find 7E */ -1, /* Unassigned */ -/* Keyboard Mute 7F */ -1, /* Unassigned */ -/* Keyboard Volume Up 80 */ -1, /* Unassigned */ -/* Keyboard Volume Dn 81 */ -1, /* Unassigned */ -/* Keyboard Locking Caps Lock 82 */ -1, /* Unassigned */ -/* Keyboard Locking Num Lock 83 */ -1, /* Unassigned */ -/* Keyboard Locking Scroll Lock 84 */ -1, /* Unassigned */ -/* Keypad comma 85 */ 0x7E, /* FE */ -/* Keyboard Equal Sign 86 */ -1, /* Unassigned */ -/* Keyboard Int'l 1 87 */ 0x73, /* F3 */ -/* Keyboard Int'l 2 88 */ 0x70, /* F0 */ -/* Keyboard Int'l 2 89 */ 0x7D, /* FD */ -/* Keyboard Int'l 4 8A */ 0x79, /* F9 */ -/* Keyboard Int'l 5 8B */ 0x7B, /* FB */ -/* Keyboard Int'l 6 8C */ 0x5C, /* DC */ -/* Keyboard Int'l 7 8D */ -1, /* Unassigned */ -/* Keyboard Int'l 8 8E */ -1, /* Unassigned */ -/* Keyboard Int'l 9 8F */ -1, /* Unassigned */ -/* Keyboard Lang 1 90 */ NOBREAK|0xF2, /* None */ -/* Keyboard Lang 2 91 */ NOBREAK|0xF1, /* None */ -/* Keyboard Lang 3 92 */ 0x78, /* F8 */ -/* Keyboard Lang 4 93 */ 0x77, /* F7 */ -/* Keyboard Lang 5 94 */ 0x76, /* F6 */ -/* Keyboard Lang 6 95 */ -1, /* Unassigned */ -/* Keyboard Lang 7 96 */ -1, /* Unassigned */ -/* Keyboard Lang 8 97 */ -1, /* Unassigned */ -/* Keyboard Lang 9 98 */ -1, /* Unassigned */ -/* Keyboard Alternate Erase 99 */ -1, /* Unassigned */ -/* Keyboard SysReq/Attention 9A */ -1, /* Unassigned */ -/* Keyboard Cancel 9B */ -1, /* Unassigned */ -/* Keyboard Clear 9C */ -1, /* Unassigned */ -/* Keyboard Prior 9D */ -1, /* Unassigned */ -/* Keyboard Return 9E */ -1, /* Unassigned */ -/* Keyboard Separator 9F */ -1, /* Unassigned */ -/* Keyboard Out A0 */ -1, /* Unassigned */ -/* Keyboard Oper A1 */ -1, /* Unassigned */ -/* Keyboard Clear/Again A2 */ -1, /* Unassigned */ -/* Keyboard CrSel/Props A3 */ -1, /* Unassigned */ -/* Keyboard ExSel A4 */ -1, /* Unassigned */ -/* Reserved A5 */ -1, /* Reserved */ -/* Reserved A6 */ -1, /* Reserved */ -/* Reserved A7 */ -1, /* Reserved */ -/* Reserved A8 */ -1, /* Reserved */ -/* Reserved A9 */ -1, /* Reserved */ -/* Reserved AA */ -1, /* Reserved */ -/* Reserved AB */ -1, /* Reserved */ -/* Reserved AC */ -1, /* Reserved */ -/* Reserved AD */ -1, /* Reserved */ -/* Reserved AE */ -1, /* Reserved */ -/* Reserved AF */ -1, /* Reserved */ -/* Reserved B0 */ -1, /* Reserved */ -/* Reserved B1 */ -1, /* Reserved */ -/* Reserved B2 */ -1, /* Reserved */ -/* Reserved B3 */ -1, /* Reserved */ -/* Reserved B4 */ -1, /* Reserved */ -/* Reserved B5 */ -1, /* Reserved */ -/* Reserved B6 */ -1, /* Reserved */ -/* Reserved B7 */ -1, /* Reserved */ -/* Reserved B8 */ -1, /* Reserved */ -/* Reserved B9 */ -1, /* Reserved */ -/* Reserved BA */ -1, /* Reserved */ -/* Reserved BB */ -1, /* Reserved */ -/* Reserved BC */ -1, /* Reserved */ -/* Reserved BD */ -1, /* Reserved */ -/* Reserved BE */ -1, /* Reserved */ -/* Reserved BF */ -1, /* Reserved */ -/* Reserved C0 */ -1, /* Reserved */ -/* Reserved C1 */ -1, /* Reserved */ -/* Reserved C2 */ -1, /* Reserved */ -/* Reserved C3 */ -1, /* Reserved */ -/* Reserved C4 */ -1, /* Reserved */ -/* Reserved C5 */ -1, /* Reserved */ -/* Reserved C6 */ -1, /* Reserved */ -/* Reserved C7 */ -1, /* Reserved */ -/* Reserved C8 */ -1, /* Reserved */ -/* Reserved C9 */ -1, /* Reserved */ -/* Reserved CA */ -1, /* Reserved */ -/* Reserved CB */ -1, /* Reserved */ -/* Reserved CC */ -1, /* Reserved */ -/* Reserved CD */ -1, /* Reserved */ -/* Reserved CE */ -1, /* Reserved */ -/* Reserved CF */ -1, /* Reserved */ -/* Reserved D0 */ -1, /* Reserved */ -/* Reserved D1 */ -1, /* Reserved */ -/* Reserved D2 */ -1, /* Reserved */ -/* Reserved D3 */ -1, /* Reserved */ -/* Reserved D4 */ -1, /* Reserved */ -/* Reserved D5 */ -1, /* Reserved */ -/* Reserved D6 */ -1, /* Reserved */ -/* Reserved D7 */ -1, /* Reserved */ -/* Reserved D8 */ -1, /* Reserved */ -/* Reserved D9 */ -1, /* Reserved */ -/* Reserved DA */ -1, /* Reserved */ -/* Reserved DB */ -1, /* Reserved */ -/* Reserved DC */ -1, /* Reserved */ -/* Reserved DD */ -1, /* Reserved */ -/* Reserved DE */ -1, /* Reserved */ -/* Reserved DF */ -1, /* Reserved */ -/* Left Control E0 */ 0x1D, /* 9D */ -/* Left Shift E1 */ 0x2A, /* AA */ -/* Left Alt E2 */ 0x38, /* B8 */ -/* Left GUI E3 */ E0PREFIX|0x5B, /* E0 DB */ -/* Right Control E4 */ E0PREFIX|0x1D, /* E0 9D */ -/* Right Shift E5 */ 0x36, /* B6 */ -/* Right Alt E6 */ E0PREFIX|0x38, /* E0 B8 */ -/* Right GUI E7 */ E0PREFIX|0x5C /* E0 DC */ -}; - -#define xsize ((int32_t)(sizeof(x)/sizeof(x[0]))) - -/* - * Get a max HID keycode (aligned) - */ - -int32_t -kbd_maxkey(void) -{ - return (xsize); -} - -/* - * Process keys - */ - -int32_t -kbd_process_keys(bthid_session_p s) -{ - bitstr_t diff[bitstr_size(xsize)]; - int32_t f1, f2, i; - - assert(s != NULL); - assert(s->srv != NULL); - - /* Check if the new keys have been pressed */ - bit_ffs(s->keys1, xsize, &f1); - - /* Check if old keys still pressed */ - bit_ffs(s->keys2, xsize, &f2); - - if (f1 == -1) { - /* no new key pressed */ - if (f2 != -1) { - /* release old keys */ - kbd_write(s->keys2, f2, 0, s->vkbd); - memset(s->keys2, 0, bitstr_size(xsize)); - } - - return (0); - } - - if (f2 == -1) { - /* no old keys, but new keys pressed */ - assert(f1 != -1); - - memcpy(s->keys2, s->keys1, bitstr_size(xsize)); - kbd_write(s->keys1, f1, 1, s->vkbd); - memset(s->keys1, 0, bitstr_size(xsize)); - - return (0); - } - - /* new keys got pressed, old keys got released */ - memset(diff, 0, bitstr_size(xsize)); - - for (i = f2; i < xsize; i ++) { - if (bit_test(s->keys2, i)) { - if (!bit_test(s->keys1, i)) { - bit_clear(s->keys2, i); - bit_set(diff, i); - } - } - } - - for (i = f1; i < xsize; i++) { - if (bit_test(s->keys1, i)) { - if (!bit_test(s->keys2, i)) - bit_set(s->keys2, i); - else - bit_clear(s->keys1, i); - } - } - - bit_ffs(diff, xsize, &f2); - if (f2 > 0) - kbd_write(diff, f2, 0, s->vkbd); - - bit_ffs(s->keys1, xsize, &f1); - if (f1 > 0) { - kbd_write(s->keys1, f1, 1, s->vkbd); - memset(s->keys1, 0, bitstr_size(xsize)); - } - - return (0); -} - -/* - * Translate given keymap and write keyscodes - */ - -static void -kbd_write(bitstr_t *m, int32_t fb, int32_t make, int32_t fd) -{ - int32_t i, *b, *eob, n, buf[64]; - - b = buf; - eob = b + sizeof(buf)/sizeof(buf[0]); - i = fb; - - while (i < xsize) { - if (bit_test(m, i)) { - n = kbd_xlate(i, make, b, eob); - if (n == -1) { - write(fd, buf, (b - buf) * sizeof(buf[0])); - b = buf; - continue; - } - - b += n; - } - - i ++; - } - - if (b != buf) - write(fd, buf, (b - buf) * sizeof(buf[0])); -} - -/* - * Translate HID code into PS/2 code and put codes into buffer b. - * Returns the number of codes put in b. Return -1 if buffer has not - * enough space. - */ - -#undef PUT -#define PUT(c, n, b, eob) \ -do { \ - if ((b) >= (eob)) \ - return (-1); \ - *(b) = (c); \ - (b) ++; \ - (n) ++; \ -} while (0) - -static int32_t -kbd_xlate(int32_t code, int32_t make, int32_t *b, int32_t const *eob) -{ - int32_t c, n; - - n = 0; - - if (code >= xsize) - return (0); /* HID code is not in the table */ - - /* Handle special case - Pause/Break */ - if (code == 0x48) { - if (!make) - return (0); /* No break code */ - -#if 0 -XXX FIXME - if (ctrl_is_pressed) { - /* Break (Ctrl-Pause) */ - PUT(0xe0, n, b, eob); - PUT(0x46, n, b, eob); - PUT(0xe0, n, b, eob); - PUT(0xc6, n, b, eob); - } else { - /* Pause */ - PUT(0xe1, n, b, eob); - PUT(0x1d, n, b, eob); - PUT(0x45, n, b, eob); - PUT(0xe1, n, b, eob); - PUT(0x9d, n, b, eob); - PUT(0xc5, n, b, eob); - } -#endif - - return (n); - } - - if ((c = x[code]) == -1) - return (0); /* HID code translation is not defined */ - - if (make) { - if (c & E0PREFIX) - PUT(0xe0, n, b, eob); - - PUT((c & CODEMASK), n, b, eob); - } else if (!(c & NOBREAK)) { - if (c & E0PREFIX) - PUT(0xe0, n, b, eob); - - PUT((0x80|(c & CODEMASK)), n, b, eob); - } - - return (n); -} - -/* - * Process status change from vkbd(4) - */ - -int32_t -kbd_status_changed(bthid_session_p s, uint8_t *data, int32_t len) -{ - vkbd_status_t st; - uint8_t leds, report_id; - hid_device_p hid_device; - hid_data_t d; - hid_item_t h; - - assert(s != NULL); - assert(len == sizeof(vkbd_status_t)); - - memcpy(&st, data, sizeof(st)); - leds = 0; - report_id = NO_REPORT_ID; - - hid_device = get_hid_device(&s->bdaddr); - assert(hid_device != NULL); - - for (d = hid_start_parse(hid_device->desc, 1 << hid_output, -1); - hid_get_item(d, &h) > 0; ) { - if (HID_PAGE(h.usage) == HUP_LEDS) { - if (report_id == NO_REPORT_ID) - report_id = h.report_ID; - else if (h.report_ID != report_id) - syslog(LOG_WARNING, "Output HID report IDs " \ - "for %s do not match: %d vs. %d. " \ - "Please report", - bt_ntoa(&s->bdaddr, NULL), - h.report_ID, report_id); - - switch(HID_USAGE(h.usage)) { - case 0x01: /* Num Lock LED */ - if (st.leds & LED_NUM) - hid_set_data(&leds, &h, 1); - break; - - case 0x02: /* Caps Lock LED */ - if (st.leds & LED_CAP) - hid_set_data(&leds, &h, 1); - break; - - case 0x03: /* Scroll Lock LED */ - if (st.leds & LED_SCR) - hid_set_data(&leds, &h, 1); - break; - - /* XXX add other LEDs ? */ - } - } - } - hid_end_parse(d); - - data[0] = 0xa2; /* DATA output (HID output report) */ - - if (report_id != NO_REPORT_ID) { - data[1] = report_id; - data[2] = leds; - len = 3; - } else { - data[1] = leds; - len = 2; - } - - write(s->intr, data, len); - - return (0); -} - |
