WebSVN – HelenOS – Diff – /trunk/kernel/genarch/src/kbrd/kbrd.c

 /*
  * 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.
+ * @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
+    #define IGNORE_CODE  0x7f
 #endif
-#define KEY_RELEASE     0x80
+#define KEY_RELEASE  0x80
-#define PRESSED_SHIFT       (1 << 0)
+#define PRESSED_SHIFT     (1 << 0)
-#define PRESSED_CAPSLOCK    (1 << 1)
+#define PRESSED_CAPSLOCK  (1 << 1)
-#define LOCKED_CAPSLOCK     (1 << 0)
+#define LOCKED_CAPSLOCK   (1 << 0)
-chardev_t kbrdin;
-static chardev_t *kbdout;
+static indev_t kbrdout;
-static void kbrdin_suspend(chardev_t *d)
-{
-}
-static void kbrdin_resume(chardev_t *d)
-{
-}
-chardev_operations_t kbrdin_ops = {
+indev_operations_t kbrdout_ops = {
-    .suspend = kbrdin_suspend,
-    .resume = kbrdin_resume,
+    .poll = NULL
 };
-SPINLOCK_INITIALIZE(keylock);       /**< keylock protects keyflags and lockflags. */
+SPINLOCK_INITIALIZE(keylock);   /**< keylock protects keyflags and lockflags. */
-static volatile int keyflags;       /**< Tracking of multiple keypresses. */
+static volatile int keyflags;   /**< Tracking of multiple keypresses. */
-static volatile int lockflags;      /**< Tracking of multiple keys lockings. */
+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;
+    indev_t *in = (indev_t *) arg;
-    uint8_t sc;
-    while (1) {
+    while (true) {
-        sc = _getc(in);
+        uint8_t 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)
+void kbrd_init(indev_t *devin)
+{
-    thread_t *t;
-    chardev_initialize("kbrd", &kbrdin, &kbrdin_ops);
+    indev_initialize("kbrd", &kbrdout, &kbrdout_ops);
-    kbdout = devout;
+    thread_t *thread
+        = thread_create(kkbrd, devin, TASK, 0, "kkbrd", false);
-    t = thread_create(kkbrd, &kbrdin, TASK, 0, "kkbrd", false);
+    if (thread) {
-    ASSERT(t);
+        stdin = &kbrdout;
-    thread_ready(t);
+        thread_ready(thread);
+    }
+}
 /** 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;
+        keyflags |= PRESSED_SHIFT;
         break;
     case SC_CAPSLOCK:
         keyflags |= PRESSED_CAPSLOCK;
         break;
     case SC_SPEC_ESCAPE:
         break;
     case SC_LEFTARR:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x5b);
+        indev_push_character(stdin, 0x5b);
-        chardev_push_character(kbdout, 0x44);
+        indev_push_character(stdin, 0x44);
         break;
     case SC_RIGHTARR:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x5b);
+        indev_push_character(stdin, 0x5b);
-        chardev_push_character(kbdout, 0x43);
+        indev_push_character(stdin, 0x43);
         break;
     case SC_UPARR:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x5b);
+        indev_push_character(stdin, 0x5b);
-        chardev_push_character(kbdout, 0x41);
+        indev_push_character(stdin, 0x41);
         break;
     case SC_DOWNARR:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x5b);
+        indev_push_character(stdin, 0x5b);
-        chardev_push_character(kbdout, 0x42);
+        indev_push_character(stdin, 0x42);
         break;
     case SC_HOME:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x4f);
+        indev_push_character(stdin, 0x4f);
-        chardev_push_character(kbdout, 0x48);
+        indev_push_character(stdin, 0x48);
         break;
     case SC_END:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x4f);
+        indev_push_character(stdin, 0x4f);
-        chardev_push_character(kbdout, 0x46);
+        indev_push_character(stdin, 0x46);
         break;
     case SC_DELETE:
-        chardev_push_character(kbdout, 0x1b);
+        indev_push_character(stdin, 0x1b);
-        chardev_push_character(kbdout, 0x5b);
+        indev_push_character(stdin, 0x5b);
-        chardev_push_character(kbdout, 0x33);
+        indev_push_character(stdin, 0x33);
-        chardev_push_character(kbdout, 0x7e);
+        indev_push_character(stdin, 0x7e);
         break;
     default:
-            letter = islower(ascii);
+        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]);
+        indev_push_character(stdin, map[sc]);
         break;
+    }
     spinlock_unlock(&keylock);
+}
 /** @}
  */

Subversion Repositories HelenOS

(root)/trunk/kernel/genarch/src/kbrd/kbrd.c – Rev 4042 → 4092