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>
 
#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;
   
    if (cons_connected && phone2cons != -1) {
        /* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
        kbd_arch_process(&keybuffer, IPC_GET_ARG2(*call));
       
        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;
        }
        ipc_answer_fast(callid, retval, 0, 0);
    }  
}
 
 
int main(int argc, char **argv)
{
    ipc_call_t call;
    ipc_callid_t callid;
    int res;
    ipcarg_t phonead;
    ipcarg_t phoneid;
    char connected = 0;
    ipcarg_t retval, arg1, arg2;
   
    /* Initialize arch dependent parts */
    if (!(res = 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 ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {
        return -1;
    }
 
    async_manager();
 
}
 
/**
 * @}
 */
 
 

Rev 1640	Rev 1649
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
-		30	* @brief HelenOS uspace keyboard handler.
-		31	* @{
-		32	* @}
-		33	*/
-		34	/** @addtogroup kbdgen generic
-		35	* @brief HelenOS generic uspace keyboard handler.
-		36	* @ingroup kbd
-		37	* @{
-		38	*/
-		39	/** @file
-		40	*/
-		41
29	#include <ipc/ipc.h>	42	#include <ipc/ipc.h>
30	#include <ipc/services.h>	43	#include <ipc/services.h>
31	#include <stdio.h>	44	#include <stdio.h>
32	#include <unistd.h>	45	#include <unistd.h>
33	#include <stdlib.h>	46	#include <stdlib.h>
34	#include <stdio.h>	47	#include <stdio.h>
35	#include <ipc/ns.h>	48	#include <ipc/ns.h>
36	#include <errno.h>	49	#include <errno.h>
37	#include <arch/kbd.h>	50	#include <arch/kbd.h>
38	#include <kbd.h>	51	#include <kbd.h>
39	#include <libadt/fifo.h>	52	#include <libadt/fifo.h>
40	#include <key_buffer.h>	53	#include <key_buffer.h>
41	#include <async.h>	54	#include <async.h>
42		55
43	#define NAME "KBD"	56	#define NAME "KBD"
44		57
45	int cons_connected = 0;	58	int cons_connected = 0;
46	int phone2cons = -1;	59	int phone2cons = -1;
47	keybuffer_t keybuffer;	60	keybuffer_t keybuffer;
48		61
49	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)	62	static void irq_handler(ipc_callid_t iid, ipc_call_t *call)
50	{	63	{
51	int chr;	64	int chr;
52		65
53	if (cons_connected && phone2cons != -1) {	66	if (cons_connected && phone2cons != -1) {
54	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */	67	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
55	kbd_arch_process(&keybuffer, IPC_GET_ARG2(*call));	68	kbd_arch_process(&keybuffer, IPC_GET_ARG2(*call));
56		69
57	while (!keybuffer_empty(&keybuffer)) {	70	while (!keybuffer_empty(&keybuffer)) {
58	if (!keybuffer_pop(&keybuffer, (int *)&chr))	71	if (!keybuffer_pop(&keybuffer, (int *)&chr))
59	break;	72	break;
60		73
61	async_msg(phone2cons, KBD_PUSHCHAR, chr);	74	async_msg(phone2cons, KBD_PUSHCHAR, chr);
62	}	75	}
63	}	76	}
64	}	77	}
65		78
66	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)	79	static void console_connection(ipc_callid_t iid, ipc_call_t *icall)
67	{	80	{
68	ipc_callid_t callid;	81	ipc_callid_t callid;
69	ipc_call_t call;	82	ipc_call_t call;
70	int retval;	83	int retval;
71		84
72	if (cons_connected) {	85	if (cons_connected) {
73	ipc_answer_fast(iid, ELIMIT, 0, 0);	86	ipc_answer_fast(iid, ELIMIT, 0, 0);
74	return;	87	return;
75	}	88	}
76	cons_connected = 1;	89	cons_connected = 1;
77	ipc_answer_fast(iid, 0, 0, 0);	90	ipc_answer_fast(iid, 0, 0, 0);
78		91
79	while (1) {	92	while (1) {
80	callid = async_get_call(&call);	93	callid = async_get_call(&call);
81	switch (IPC_GET_METHOD(call)) {	94	switch (IPC_GET_METHOD(call)) {
82	case IPC_M_PHONE_HUNGUP:	95	case IPC_M_PHONE_HUNGUP:
83	cons_connected = 0;	96	cons_connected = 0;
84	ipc_hangup(phone2cons);	97	ipc_hangup(phone2cons);
85	phone2cons = -1;	98	phone2cons = -1;
86	ipc_answer_fast(callid, 0,0,0);	99	ipc_answer_fast(callid, 0,0,0);
87	return;	100	return;
88	case IPC_M_CONNECT_TO_ME:	101	case IPC_M_CONNECT_TO_ME:
89	if (phone2cons != -1) {	102	if (phone2cons != -1) {
90	retval = ELIMIT;	103	retval = ELIMIT;
91	break;	104	break;
92	}	105	}
93	phone2cons = IPC_GET_ARG3(call);	106	phone2cons = IPC_GET_ARG3(call);
94	retval = 0;	107	retval = 0;
95	break;	108	break;
96	}	109	}
97	ipc_answer_fast(callid, retval, 0, 0);	110	ipc_answer_fast(callid, retval, 0, 0);
98	}	111	}
99	}	112	}
100		113
101		114
102	int main(int argc, char **argv)	115	int main(int argc, char **argv)
103	{	116	{
104	ipc_call_t call;	117	ipc_call_t call;
105	ipc_callid_t callid;	118	ipc_callid_t callid;
106	int res;	119	int res;
107	ipcarg_t phonead;	120	ipcarg_t phonead;
108	ipcarg_t phoneid;	121	ipcarg_t phoneid;
109	char connected = 0;	122	char connected = 0;
110	ipcarg_t retval, arg1, arg2;	123	ipcarg_t retval, arg1, arg2;
111		124
112	/* Initialize arch dependent parts */	125	/* Initialize arch dependent parts */
113	if (!(res = kbd_arch_init())) {	126	if (!(res = kbd_arch_init())) {
114	return -1;	127	return -1;
115	};	128	};
116		129
117	/* Initialize key buffer */	130	/* Initialize key buffer */
118	keybuffer_init(&keybuffer);	131	keybuffer_init(&keybuffer);
119		132
120	async_set_client_connection(console_connection);	133	async_set_client_connection(console_connection);
121	async_set_interrupt_received(irq_handler);	134	async_set_interrupt_received(irq_handler);
122	/* Register service at nameserver */	135	/* Register service at nameserver */
123	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {	136	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {
124	return -1;	137	return -1;
125	}	138	}
126		139
127	async_manager();	140	async_manager();
128		141
129	}	142	}
-		143
-		144	/**
-		145	* @}
-		146	*/
-		147
130		148

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/kbd/generic/kbd.c – Rev 1640 → 1649