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1339 cejka 1
/*
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 * Copyright (C) 2006 Josef Cejka
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1649 cejka 29
/** @defgroup kbd Keyboard handler
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 * @brief	HelenOS uspace keyboard handler.
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 * @{ 
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 * @}
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 */
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/** @addtogroup kbdgen generic
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 * @brief	HelenOS generic uspace keyboard handler.
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 * @ingroup  kbd
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 * @{
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 */ 
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/** @file
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 */
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1352 palkovsky 42
#include <ipc/ipc.h>
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#include <ipc/services.h>
1339 cejka 44
#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
1508 vana 47
#include <stdio.h>
1352 palkovsky 48
#include <ipc/ns.h>
1339 cejka 49
#include <errno.h>
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#include <arch/kbd.h>
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#include <kbd.h>
1445 cejka 52
#include <libadt/fifo.h>
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#include <key_buffer.h>
1610 palkovsky 54
#include <async.h>
1339 cejka 55
 
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#define NAME "KBD"
1447 cejka 57
 
1610 palkovsky 58
int cons_connected = 0;
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int phone2cons = -1;
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keybuffer_t keybuffer;	
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static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
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{
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	int chr;
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	if (cons_connected && phone2cons != -1) {
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		/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
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		kbd_arch_process(&keybuffer, IPC_GET_ARG2(*call));
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		while (!keybuffer_empty(&keybuffer)) {
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			if (!keybuffer_pop(&keybuffer, (int *)&chr))
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				break;
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			async_msg(phone2cons, KBD_PUSHCHAR, chr);
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		}
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	}
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}
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static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
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{
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	ipc_callid_t callid;
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	ipc_call_t call;
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	int retval;
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	if (cons_connected) {
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		ipc_answer_fast(iid, ELIMIT, 0, 0);
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		return;
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	}
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	cons_connected = 1;
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	ipc_answer_fast(iid, 0, 0, 0);
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	while (1) {
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		callid = async_get_call(&call);
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		switch (IPC_GET_METHOD(call)) {
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		case IPC_M_PHONE_HUNGUP:
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			cons_connected = 0;
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			ipc_hangup(phone2cons);
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			phone2cons = -1;
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			ipc_answer_fast(callid, 0,0,0);
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			return;
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		case IPC_M_CONNECT_TO_ME:
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			if (phone2cons != -1) {
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				retval = ELIMIT;
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				break;
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			}
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			phone2cons = IPC_GET_ARG3(call);
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			retval = 0;
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			break;
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		}
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		ipc_answer_fast(callid, retval, 0, 0);
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	}	
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}
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1339 cejka 115
int main(int argc, char **argv)
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{
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	ipc_call_t call;
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	ipc_callid_t callid;
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	int res;
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	ipcarg_t phonead;
1508 vana 121
	ipcarg_t phoneid;
1445 cejka 122
	char connected = 0;
1339 cejka 123
	ipcarg_t retval, arg1, arg2;
1508 vana 124
 
1339 cejka 125
	/* Initialize arch dependent parts */
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	if (!(res = kbd_arch_init())) {
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			return -1;
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			};
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	/* Initialize key buffer */
1451 cejka 131
	keybuffer_init(&keybuffer);
1339 cejka 132
 
1640 palkovsky 133
	async_set_client_connection(console_connection);
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	async_set_interrupt_received(irq_handler);
1339 cejka 135
	/* Register service at nameserver */
1343 jermar 136
	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {
1339 cejka 137
		return -1;
1610 palkovsky 138
	}
1445 cejka 139
 
1610 palkovsky 140
	async_manager();
1344 cejka 141
 
1339 cejka 142
}
1649 cejka 143
 
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/**
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 * @}
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 */ 
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