WebSVN – HelenOS-historic – Diff – /uspace/trunk/kbd/generic/kbd.c


/*
 * 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.
 */
 
/** @defgroup kbd Keyboard handler
 * @brief   HelenOS uspace keyboard handler.
 * @{
 * @}
 */
/** @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;
}
 
/**
 * @}
 */
 
 

Rev 1707	Rev 1720
1	/*	1	/*
2	* Copyright (C) 2006 Josef Cejka	2	* Copyright (C) 2006 Josef Cejka
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @defgroup kbd Keyboard handler	29	/** @defgroup kbd Keyboard handler
30	* @brief HelenOS uspace keyboard handler.	30	* @brief HelenOS uspace keyboard handler.
31	* @{	31	* @{
32	* @}	32	* @}
33	*/	33	*/
34	/** @addtogroup kbdgen generic	34	/** @addtogroup kbdgen generic
35	* @brief HelenOS generic uspace keyboard handler.	35	* @brief HelenOS generic uspace keyboard handler.
36	* @ingroup kbd	36	* @ingroup kbd
37	* @{	37	* @{
38	*/	38	*/
39	/** @file	39	/** @file
40	*/	40	*/
41		41
42	#include <ipc/ipc.h>	42	#include <ipc/ipc.h>
43	#include <ipc/services.h>	43	#include <ipc/services.h>
44	#include <stdio.h>	44	#include <stdio.h>
45	#include <unistd.h>	45	#include <unistd.h>
46	#include <stdlib.h>	46	#include <stdlib.h>
47	#include <stdio.h>	47	#include <stdio.h>
48	#include <ipc/ns.h>	48	#include <ipc/ns.h>
49	#include <errno.h>	49	#include <errno.h>
50	#include <arch/kbd.h>	50	#include <arch/kbd.h>
51	#include <kbd.h>	51	#include <kbd.h>
52	#include <libadt/fifo.h>	52	#include <libadt/fifo.h>
53	#include <key_buffer.h>	53	#include <key_buffer.h>
54	#include <async.h>	54	#include <async.h>
55	#include <keys.h>	55	#include <keys.h>
56		56
57	#define NAME "KBD"	57	#define NAME "KBD"
58		58
59	int cons_connected = 0;	59	int cons_connected = 0;
60	int phone2cons = -1;	60	int phone2cons = -1;
61	keybuffer_t keybuffer;	61	keybuffer_t keybuffer;
62		62
63	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)	63	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
64	{	64	{
65	int chr;	65	int chr;
66		66
67	#ifdef MOUSE_ENABLED	67	#ifdef MOUSE_ENABLED
68	if (mouse_arch_process(phone2cons, call))	68	if (mouse_arch_process(phone2cons, call))
69	return;	69	return;
70	#endif	70	#endif
71		71
72	kbd_arch_process(&keybuffer, call);	72	kbd_arch_process(&keybuffer, call);
73		73
74	if (cons_connected && phone2cons != -1) {	74	if (cons_connected && phone2cons != -1) {
75	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */	75	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
76	while (!keybuffer_empty(&keybuffer)) {	76	while (!keybuffer_empty(&keybuffer)) {
77	if (!keybuffer_pop(&keybuffer, (int *)&chr))	77	if (!keybuffer_pop(&keybuffer, (int *)&chr))
78	break;	78	break;
79		79
80	async_msg(phone2cons, KBD_PUSHCHAR, chr);	80	async_msg(phone2cons, KBD_PUSHCHAR, chr);
81	}	81	}
82	}	82	}
83	}	83	}
84		84
85	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)	85	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
86	{	86	{
87	ipc_callid_t callid;	87	ipc_callid_t callid;
88	ipc_call_t call;	88	ipc_call_t call;
89	int retval;	89	int retval;
90		90
91	if (cons_connected) {	91	if (cons_connected) {
92	ipc_answer_fast(iid, ELIMIT, 0, 0);	92	ipc_answer_fast(iid, ELIMIT, 0, 0);
93	return;	93	return;
94	}	94	}
95	cons_connected = 1;	95	cons_connected = 1;
96	ipc_answer_fast(iid, 0, 0, 0);	96	ipc_answer_fast(iid, 0, 0, 0);
97		97
98	while (1) {	98	while (1) {
99	callid = async_get_call(&call);	99	callid = async_get_call(&call);
100	switch (IPC_GET_METHOD(call)) {	100	switch (IPC_GET_METHOD(call)) {
101	case IPC_M_PHONE_HUNGUP:	101	case IPC_M_PHONE_HUNGUP:
102	cons_connected = 0;	102	cons_connected = 0;
103	ipc_hangup(phone2cons);	103	ipc_hangup(phone2cons);
104	phone2cons = -1;	104	phone2cons = -1;
105	ipc_answer_fast(callid, 0,0,0);	105	ipc_answer_fast(callid, 0,0,0);
106	return;	106	return;
107	case IPC_M_CONNECT_TO_ME:	107	case IPC_M_CONNECT_TO_ME:
108	if (phone2cons != -1) {	108	if (phone2cons != -1) {
109	retval = ELIMIT;	109	retval = ELIMIT;
110	break;	110	break;
111	}	111	}
112	phone2cons = IPC_GET_ARG3(call);	112	phone2cons = IPC_GET_ARG3(call);
113	retval = 0;	113	retval = 0;
114	break;	114	break;
-		115	default:
-		116	retval = EINVAL;
115	}	117	}
116	ipc_answer_fast(callid, retval, 0, 0);	118	ipc_answer_fast(callid, retval, 0, 0);
117	}	119	}
118	}	120	}
119		121
120		122
121	int main(int argc, char **argv)	123	int main(int argc, char **argv)
122	{	124	{
123	ipc_call_t call;	-
124	ipc_callid_t callid;	-
125	int res;	-
126	ipcarg_t phonead;	125	ipcarg_t phonead;
127	ipcarg_t phoneid;	-
128	char connected = 0;	-
129	ipcarg_t retval, arg1, arg2;	-
130		126
131	/* Initialize arch dependent parts */	127	/* Initialize arch dependent parts */
132	if (kbd_arch_init())	128	if (kbd_arch_init())
133	return -1;	129	return -1;
134		130
135	/* Initialize key buffer */	131	/* Initialize key buffer */
136	keybuffer_init(&keybuffer);	132	keybuffer_init(&keybuffer);
137		133
138	async_set_client_connection(console_connection);	134	async_set_client_connection(console_connection);
139	async_set_interrupt_received(irq_handler);	135	async_set_interrupt_received(irq_handler);
140	/* Register service at nameserver */	136	/* Register service at nameserver */
141	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {	137	if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead) != 0)
142	return -1;	138	return -1;
143	}	-
144		139
145	async_manager();	140	async_manager();
146		141
-		142	/* Never reached */
-		143	return 0;
147	}	144	}
148		145
149	/**	146	/**
150	* @}	147	* @}
151	*/	148	*/
152		149
153		150

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/kbd/generic/kbd.c – Rev 1707 → 1720