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Ignore whitespace Rev 1786 → Rev 1787

/trunk/uspace/kbd/generic/kbd.c
0,0 → 1,145
/*
* Copyright (C) 2006 Josef Cejka
* 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 kbdgen generic
* @brief HelenOS generic uspace keyboard handler.
* @ingroup kbd
* @{
*/
/** @file
*/
 
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <ipc/ns.h>
#include <errno.h>
#include <arch/kbd.h>
#include <kbd.h>
#include <libadt/fifo.h>
#include <key_buffer.h>
#include <async.h>
#include <keys.h>
 
#define NAME "KBD"
 
int cons_connected = 0;
int phone2cons = -1;
keybuffer_t keybuffer;
 
static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
{
int chr;
 
#ifdef MOUSE_ENABLED
if (mouse_arch_process(phone2cons, call))
return;
#endif
kbd_arch_process(&keybuffer, call);
 
if (cons_connected && phone2cons != -1) {
/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
while (!keybuffer_empty(&keybuffer)) {
if (!keybuffer_pop(&keybuffer, (int *)&chr))
break;
 
async_msg(phone2cons, KBD_PUSHCHAR, chr);
}
}
}
 
static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
{
ipc_callid_t callid;
ipc_call_t call;
int retval;
 
if (cons_connected) {
ipc_answer_fast(iid, ELIMIT, 0, 0);
return;
}
cons_connected = 1;
ipc_answer_fast(iid, 0, 0, 0);
 
while (1) {
callid = async_get_call(&call);
switch (IPC_GET_METHOD(call)) {
case IPC_M_PHONE_HUNGUP:
cons_connected = 0;
ipc_hangup(phone2cons);
phone2cons = -1;
ipc_answer_fast(callid, 0,0,0);
return;
case IPC_M_CONNECT_TO_ME:
if (phone2cons != -1) {
retval = ELIMIT;
break;
}
phone2cons = IPC_GET_ARG3(call);
retval = 0;
break;
default:
retval = EINVAL;
}
ipc_answer_fast(callid, retval, 0, 0);
}
}
 
 
int main(int argc, char **argv)
{
ipcarg_t phonead;
/* Initialize arch dependent parts */
if (kbd_arch_init())
return -1;
/* Initialize key buffer */
keybuffer_init(&keybuffer);
async_set_client_connection(console_connection);
async_set_interrupt_received(irq_handler);
/* Register service at nameserver */
if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead) != 0)
return -1;
 
async_manager();
 
/* Never reached */
return 0;
}
 
/**
* @}
*/