| 0,0 → 1,220 |
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| /* |
| * Copyright (c) 2009 Jakub Jermar |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * - 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. |
| * - 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 ``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 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. |
| */ |
| |
| /** @addtogroup genarch |
| * @{ |
| */ |
| /** |
| * @file |
| * @brief Keyboard processing. |
| */ |
| |
| #include <genarch/kbrd/kbrd.h> |
| #include <genarch/kbrd/scanc.h> |
| |
| #ifdef CONFIG_PC_KBD |
| #include <genarch/kbrd/scanc_pc.h> |
| #endif |
| |
| #ifdef CONFIG_SUN_KBD |
| #include <genarch/kbrd/scanc_sun.h> |
| #endif |
| |
| #include <synch/spinlock.h> |
| #include <console/chardev.h> |
| #include <console/console.h> |
| #include <proc/thread.h> |
| #include <arch.h> |
| #include <macros.h> |
| |
| #ifdef CONFIG_SUN_KBD |
| # define IGNORE_CODE 0x7f |
| #endif |
| |
| #define KEY_RELEASE 0x80 |
| |
| #define PRESSED_SHIFT (1 << 0) |
| #define PRESSED_CAPSLOCK (1 << 1) |
| #define LOCKED_CAPSLOCK (1 << 0) |
| |
| chardev_t kbrdin; |
| static chardev_t *kbdout; |
| |
| static void kbrdin_suspend(chardev_t *d) |
| { |
| } |
| |
| static void kbrdin_resume(chardev_t *d) |
| { |
| } |
| |
| chardev_operations_t kbrdin_ops = { |
| .suspend = kbrdin_suspend, |
| .resume = kbrdin_resume, |
| }; |
| |
| SPINLOCK_INITIALIZE(keylock); /**< keylock protects keyflags and lockflags. */ |
| static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
| static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
| |
| static void key_released(uint8_t); |
| static void key_pressed(uint8_t); |
| |
| static void kkbrd(void *arg) |
| { |
| chardev_t *in = (chardev_t *) arg; |
| uint8_t sc; |
| |
| while (1) { |
| sc = _getc(in); |
| |
| #ifdef CONFIG_SUN_KBD |
| if (sc == IGNORE_CODE) |
| continue; |
| #endif |
| |
| if (sc & KEY_RELEASE) |
| key_released(sc ^ KEY_RELEASE); |
| else |
| key_pressed(sc); |
| } |
| } |
| |
| |
| void kbrd_init(chardev_t *devout) |
| { |
| thread_t *t; |
| |
| chardev_initialize("kbrd", &kbrdin, &kbrdin_ops); |
| kbdout = devout; |
| |
| t = thread_create(kkbrd, &kbrdin, TASK, 0, "kkbrd", false); |
| ASSERT(t); |
| thread_ready(t); |
| } |
| |
| /** Process release of key. |
| * |
| * @param sc Scancode of the key being released. |
| */ |
| void key_released(uint8_t sc) |
| { |
| spinlock_lock(&keylock); |
| switch (sc) { |
| case SC_LSHIFT: |
| case SC_RSHIFT: |
| keyflags &= ~PRESSED_SHIFT; |
| break; |
| case SC_CAPSLOCK: |
| keyflags &= ~PRESSED_CAPSLOCK; |
| if (lockflags & LOCKED_CAPSLOCK) |
| lockflags &= ~LOCKED_CAPSLOCK; |
| else |
| lockflags |= LOCKED_CAPSLOCK; |
| break; |
| default: |
| break; |
| } |
| spinlock_unlock(&keylock); |
| } |
| |
| /** Process keypress. |
| * |
| * @param sc Scancode of the key being pressed. |
| */ |
| void key_pressed(uint8_t sc) |
| { |
| char *map = sc_primary_map; |
| char ascii = sc_primary_map[sc]; |
| bool shift, capslock; |
| bool letter = false; |
| |
| spinlock_lock(&keylock); |
| switch (sc) { |
| case SC_LSHIFT: |
| case SC_RSHIFT: |
| keyflags |= PRESSED_SHIFT; |
| break; |
| case SC_CAPSLOCK: |
| keyflags |= PRESSED_CAPSLOCK; |
| break; |
| case SC_SPEC_ESCAPE: |
| break; |
| case SC_LEFTARR: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x5b); |
| chardev_push_character(kbdout, 0x44); |
| break; |
| case SC_RIGHTARR: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x5b); |
| chardev_push_character(kbdout, 0x43); |
| break; |
| case SC_UPARR: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x5b); |
| chardev_push_character(kbdout, 0x41); |
| break; |
| case SC_DOWNARR: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x5b); |
| chardev_push_character(kbdout, 0x42); |
| break; |
| case SC_HOME: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x4f); |
| chardev_push_character(kbdout, 0x48); |
| break; |
| case SC_END: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x4f); |
| chardev_push_character(kbdout, 0x46); |
| break; |
| case SC_DELETE: |
| chardev_push_character(kbdout, 0x1b); |
| chardev_push_character(kbdout, 0x5b); |
| chardev_push_character(kbdout, 0x33); |
| chardev_push_character(kbdout, 0x7e); |
| break; |
| default: |
| letter = islower(ascii); |
| capslock = (keyflags & PRESSED_CAPSLOCK) || |
| (lockflags & LOCKED_CAPSLOCK); |
| shift = keyflags & PRESSED_SHIFT; |
| if (letter && capslock) |
| shift = !shift; |
| if (shift) |
| map = sc_secondary_map; |
| chardev_push_character(kbdout, map[sc]); |
| break; |
| } |
| spinlock_unlock(&keylock); |
| } |
| |
| /** @} |
| */ |
| Property changes: |
|---|
| Added: svn:mergeinfo |
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