WebSVN – HelenOS – Diff – /branches/tracing/uspace/srv/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.
 */
 
/**
 * @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_1(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_0(iid, ELIMIT);
        return;
    }
    cons_connected = 1;
    ipc_answer_0(iid, EOK);
 
    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_0(callid, EOK);
            return;
        case IPC_M_CONNECT_TO_ME:
            if (phone2cons != -1) {
                retval = ELIMIT;
                break;
            }
            phone2cons = IPC_GET_ARG5(call);
            retval = 0;
            break;
        default:
            retval = EINVAL;
        }
        ipc_answer_0(callid, retval);
    }  
}
 
 
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, 0, &phonead) != 0)
        return -1;
 
    async_manager();
 
    /* Never reached */
    return 0;
}
 
/**
 * @}
 */
 
 

Rev 2637	Rev 2787
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	/**	29	/**
30	* @addtogroup kbdgen generic	30	* @addtogroup kbdgen generic
31	* @brief HelenOS generic uspace keyboard handler.	31	* @brief HelenOS generic uspace keyboard handler.
32	* @ingroup kbd	32	* @ingroup kbd
33	* @{	33	* @{
34	*/	34	*/
35	/** @file	35	/** @file
36	*/	36	*/
37		37
38	#include <ipc/ipc.h>	38	#include <ipc/ipc.h>
39	#include <ipc/services.h>	39	#include <ipc/services.h>
40	#include <stdio.h>	40	#include <stdio.h>
41	#include <unistd.h>	41	#include <unistd.h>
42	#include <stdlib.h>	42	#include <stdlib.h>
43	#include <stdio.h>	43	#include <stdio.h>
44	#include <ipc/ns.h>	44	#include <ipc/ns.h>
45	#include <errno.h>	45	#include <errno.h>
46	#include <arch/kbd.h>	46	#include <arch/kbd.h>
47	#include <kbd.h>	47	#include <kbd.h>
48	#include <libadt/fifo.h>	48	#include <libadt/fifo.h>
49	#include <key_buffer.h>	49	#include <key_buffer.h>
50	#include <async.h>	50	#include <async.h>
51	#include <keys.h>	51	#include <keys.h>
52		52
53	#define NAME "KBD"	53	#define NAME "KBD"
54		54
55	int cons_connected = 0;	55	int cons_connected = 0;
56	int phone2cons = -1;	56	int phone2cons = -1;
57	keybuffer_t keybuffer;	57	keybuffer_t keybuffer;
58		58
59	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)	59	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
60	{	60	{
61	int chr;	61	int chr;
62		62
63	#ifdef MOUSE_ENABLED	63	#ifdef MOUSE_ENABLED
64	if (mouse_arch_process(phone2cons, call))	64	if (mouse_arch_process(phone2cons, call))
65	return;	65	return;
66	#endif	66	#endif
67		67
68	kbd_arch_process(&keybuffer, call);	68	kbd_arch_process(&keybuffer, call);
69		69
70	if (cons_connected && phone2cons != -1) {	70	if (cons_connected && phone2cons != -1) {
71	/*	71	/*
72	* recode to ASCII - one interrupt can produce more than one	72	* recode to ASCII - one interrupt can produce more than one
73	* code so result is stored in fifo	73	* code so result is stored in fifo
74	*/	74	*/
75	while (!keybuffer_empty(&keybuffer)) {	75	while (!keybuffer_empty(&keybuffer)) {
76	if (!keybuffer_pop(&keybuffer, (int *)&chr))	76	if (!keybuffer_pop(&keybuffer, (int *)&chr))
77	break;	77	break;
78		78
79	async_msg_1(phone2cons, KBD_PUSHCHAR, chr);	79	async_msg_1(phone2cons, KBD_PUSHCHAR, chr);
80	}	80	}
81	}	81	}
82	}	82	}
83		83
84	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)	84	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
85	{	85	{
86	ipc_callid_t callid;	86	ipc_callid_t callid;
87	ipc_call_t call;	87	ipc_call_t call;
88	int retval;	88	int retval;
89		89
90	if (cons_connected) {	90	if (cons_connected) {
91	ipc_answer_0(iid, ELIMIT);	91	ipc_answer_0(iid, ELIMIT);
92	return;	92	return;
93	}	93	}
94	cons_connected = 1;	94	cons_connected = 1;
95	ipc_answer_0(iid, EOK);	95	ipc_answer_0(iid, EOK);
96		96
97	while (1) {	97	while (1) {
98	callid = async_get_call(&call);	98	callid = async_get_call(&call);
99	switch (IPC_GET_METHOD(call)) {	99	switch (IPC_GET_METHOD(call)) {
100	case IPC_M_PHONE_HUNGUP:	100	case IPC_M_PHONE_HUNGUP:
101	cons_connected = 0;	101	cons_connected = 0;
102	ipc_hangup(phone2cons);	102	ipc_hangup(phone2cons);
103	phone2cons = -1;	103	phone2cons = -1;
104	ipc_answer_0(callid, EOK);	104	ipc_answer_0(callid, EOK);
105	return;	105	return;
106	case IPC_M_CONNECT_TO_ME:	106	case IPC_M_CONNECT_TO_ME:
107	if (phone2cons != -1) {	107	if (phone2cons != -1) {
108	retval = ELIMIT;	108	retval = ELIMIT;
109	break;	109	break;
110	}	110	}
111	phone2cons = IPC_GET_ARG5(call);	111	phone2cons = IPC_GET_ARG5(call);
112	retval = 0;	112	retval = 0;
113	break;	113	break;
114	default:	114	default:
115	retval = EINVAL;	115	retval = EINVAL;
116	}	116	}
117	ipc_answer_0(callid, retval);	117	ipc_answer_0(callid, retval);
118	}	118	}
119	}	119	}
120		120
121		121
122	int main(int argc, char **argv)	122	int main(int argc, char **argv)
123	{	123	{
124	ipcarg_t phonead;	124	ipcarg_t phonead;
125		125
126	/* Initialize arch dependent parts */	126	/* Initialize arch dependent parts */
127	if (kbd_arch_init())	127	if (kbd_arch_init())
128	return -1;	128	return -1;
129		129
130	/* Initialize key buffer */	130	/* Initialize key buffer */
131	keybuffer_init(&keybuffer);	131	keybuffer_init(&keybuffer);
132		132
133	async_set_client_connection(console_connection);	133	async_set_client_connection(console_connection);
134	async_set_interrupt_received(irq_handler);	134	async_set_interrupt_received(irq_handler);
135	/* Register service at nameserver */	135	/* Register service at nameserver */
136	if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, 0, &phonead) != 0)	136	if (ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, 0, &phonead) != 0)
137	return -1;	137	return -1;
138		138
139	async_manager();	139	async_manager();
140		140
141	/* Never reached */	141	/* Never reached */
142	return 0;	142	return 0;
143	}	143	}
144		144
145	/**	145	/**
146	* @}	146	* @}
147	*/	147	*/
148		148
149		149

Subversion Repositories HelenOS

(root)/branches/tracing/uspace/srv/kbd/generic/kbd.c – Rev 2637 → 2787