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  1. /*
  2.  * Copyright (c) 2006 Josef Cejka
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /**
  30.  * @addtogroup kbdgen generic
  31.  * @brief   HelenOS generic uspace keyboard handler.
  32.  * @ingroup  kbd
  33.  * @{
  34.  */
  35. /** @file
  36.  */
  37.  
  38. #include <ipc/ipc.h>
  39. #include <ipc/services.h>
  40. #include <stdio.h>
  41. #include <unistd.h>
  42. #include <stdlib.h>
  43. #include <stdio.h>
  44. #include <ipc/ns.h>
  45. #include <async.h>
  46. #include <errno.h>
  47. #include <libadt/fifo.h>
  48. #include <kbd/kbd.h>
  49.  
  50. #include <kbd.h>
  51. #include <key_buffer.h>
  52. #include <kbd_port.h>
  53. #include <kbd_ctl.h>
  54. #include <layout.h>
  55.  
  56. #define NAME "kbd"
  57.  
  58. int cons_connected = 0;
  59. int phone2cons = -1;
  60. keybuffer_t keybuffer;
  61.  
  62. /** Currently active modifiers. */
  63. static unsigned mods;
  64.  
  65. void kbd_push_scancode(int scancode)
  66. {
  67.     printf("scancode: 0x%x\n", scancode);
  68.     kbd_ctl_parse_scancode(scancode);
  69. }
  70.  
  71. #include <kbd/keycode.h>
  72. void kbd_push_ev(int type, unsigned int key)
  73. {
  74.     kbd_event_t ev;
  75.     unsigned mod_mask;
  76.  
  77.     switch (key) {
  78.     case KC_LCTRL: mod_mask = KM_LCTRL; break;
  79.     case KC_RCTRL: mod_mask = KM_RCTRL; break;
  80.     case KC_LSHIFT: mod_mask = KM_LSHIFT; break;
  81.     case KC_RSHIFT: mod_mask = KM_RSHIFT; break;
  82.     case KC_LALT: mod_mask = KM_LALT; break;
  83.     case KC_RALT: mod_mask = KM_RALT; break;
  84.     default: mod_mask = 0; break;
  85.     }
  86.  
  87.     if (mod_mask != 0) {
  88.         if (type == KE_PRESS)
  89.             mods = mods | mod_mask;
  90.         else
  91.             mods = mods & ~mod_mask;
  92.     }
  93.  
  94.     switch (key) {
  95.     case KC_CAPS_LOCK: mod_mask = KM_CAPS_LOCK; break;
  96.     case KC_NUM_LOCK: mod_mask = KM_NUM_LOCK; break;
  97.     case KC_SCROLL_LOCK: mod_mask = KM_SCROLL_LOCK; break;
  98.     default: mod_mask = 0; break;
  99.     }
  100.  
  101.     if (mod_mask != 0 && type == KE_PRESS)
  102.         mods = mods ^ mod_mask;
  103.  
  104.     printf("type: %d\n", type);
  105.     printf("mods: 0x%x\n", mods);
  106.     printf("keycode: %u\n", key);
  107.  
  108.     ev.type = type;
  109.     ev.key = key;
  110.     ev.mods = mods;
  111.  
  112.     ev.c = layout_parse_ev(&ev);
  113.  
  114.     async_msg_4(phone2cons, KBD_EVENT, ev.type, ev.key, ev.mods, ev.c);
  115. }
  116.  
  117. static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
  118. {
  119.     ipc_callid_t callid;
  120.     ipc_call_t call;
  121.     int retval;
  122.  
  123.     if (cons_connected) {
  124.         ipc_answer_0(iid, ELIMIT);
  125.         return;
  126.     }
  127.     cons_connected = 1;
  128.     ipc_answer_0(iid, EOK);
  129.  
  130.     while (1) {
  131.         callid = async_get_call(&call);
  132.         switch (IPC_GET_METHOD(call)) {
  133.         case IPC_M_PHONE_HUNGUP:
  134.             cons_connected = 0;
  135.             ipc_hangup(phone2cons);
  136.             phone2cons = -1;
  137.             ipc_answer_0(callid, EOK);
  138.             return;
  139.         case IPC_M_CONNECT_TO_ME:
  140.             if (phone2cons != -1) {
  141.                 retval = ELIMIT;
  142.                 break;
  143.             }
  144.             phone2cons = IPC_GET_ARG5(call);
  145.             retval = 0;
  146.             break;
  147.         default:
  148.             retval = EINVAL;
  149.         }
  150.         ipc_answer_0(callid, retval);
  151.     }  
  152. }
  153.  
  154.  
  155. int main(int argc, char **argv)
  156. {
  157.     printf(NAME ": HelenOS Keyboard service\n");
  158.    
  159.     ipcarg_t phonead;
  160.    
  161.     /* Initialize port driver. */
  162.     if (kbd_port_init())
  163.         return -1;
  164.    
  165.     /* Initialize key buffer */
  166.     keybuffer_init(&keybuffer);
  167.    
  168.     async_set_client_connection(console_connection);
  169.  
  170.     /* Register service at nameserver. */
  171.     if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, 0, &phonead) != 0)
  172.         return -1;
  173.    
  174.     printf(NAME ": Accepting connections\n");
  175.     async_manager();
  176.  
  177.     /* Not reached. */
  178.     return 0;
  179. }
  180.  
  181. /**
  182.  * @}
  183.  */
  184.