WebSVN – HelenOS – Diff – /branches/dynload/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.
 */
 
#include <ipc/ipc.h>
#include <ipc/services.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ipc/ns.h>
#include <errno.h>
#include <arch/kbd.h>
#include <kbd.h>
#include <libadt/fifo.h>
#include <key_buffer.h>
 
#define NAME "KBD"
 
int main(int argc, char **argv)
{
    ipc_call_t call;
    ipc_callid_t callid;
    int res;
    ipcarg_t phonead;
    int phoneid;
    char connected = 0;
    keybuffer_t keybuffer; 
    ipcarg_t retval, arg1, arg2;
 
 
 
    /* Initialize arch dependent parts */
    if (!(res = kbd_arch_init())) {
 
            return -1;
            };
   
    /* Initialize key buffer */
    keybuffer_init(&keybuffer);
   
    /* Register service at nameserver */
 
   
    if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {
 
        return -1;
    };
   
    while (1) {
        callid = ipc_wait_for_call(&call);
 
        switch (IPC_GET_METHOD(call)) {
            case IPC_M_PHONE_HUNGUP:
 
                connected = 0;
                retval = 0;
                break;
            case IPC_M_CONNECT_ME_TO:
 
                /* Only one connected client allowed */
                if (connected) {
                    retval = ELIMIT;
                } else {
                    retval = 0;
                    connected = 1;
                }
                break;
            case IPC_M_CONNECT_TO_ME:
                phoneid = IPC_GET_ARG3(call);
                retval = 0;
                break;
 
            case IPC_M_INTERRUPT:
                if (connected) {
                    /* 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));
 
 
 
 
 
 
                    retval = 0;
 
                    while (!keybuffer_empty(&keybuffer)) {
                        if (!keybuffer_pop(&keybuffer, (char *)&arg1)) {
 
                            break;
                        }
 
                        ipc_call_async(phoneid, KBD_PUSHCHAR, arg1, NULL, NULL);
                    }
 
                }
 
                break;
            default:
 
                retval = ENOENT;
                break;
        }
 
        if (! (callid & IPC_CALLID_NOTIFICATION)) {
            ipc_answer_fast(callid, retval, arg1, arg2);
        }
    }
}
 
 

Rev 1451	Rev 1499
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	#include <ipc/ipc.h>	29	#include <ipc/ipc.h>
30	#include <ipc/services.h>	30	#include <ipc/services.h>
31	#include <stdio.h>	31	#include <stdio.h>
32	#include <unistd.h>	32	#include <unistd.h>
33	#include <stdlib.h>	33	#include <stdlib.h>
34	#include <ipc/ns.h>	34	#include <ipc/ns.h>
35	#include <errno.h>	35	#include <errno.h>
36	#include <arch/kbd.h>	36	#include <arch/kbd.h>
37	#include <kbd.h>	37	#include <kbd.h>
38	#include <libadt/fifo.h>	38	#include <libadt/fifo.h>
39	#include <key_buffer.h>	39	#include <key_buffer.h>
40		40
41	#define NAME "KBD"	41	#define NAME "KBD"
42		42
43	int main(int argc, char **argv)	43	int main(int argc, char **argv)
44	{	44	{
45	ipc_call_t call;	45	ipc_call_t call;
46	ipc_callid_t callid;	46	ipc_callid_t callid;
47	int res;	47	int res;
48	ipcarg_t phonead;	48	ipcarg_t phonead;
49	int phoneid;	49	int phoneid;
50	char connected = 0;	50	char connected = 0;
51	keybuffer_t keybuffer;	51	keybuffer_t keybuffer;
52	ipcarg_t retval, arg1, arg2;	52	ipcarg_t retval, arg1, arg2;
53		53
54	// printf("Uspace kbd service started.\n");	-
55		-
56	/* Initialize arch dependent parts */	54	/* Initialize arch dependent parts */
57	if (!(res = kbd_arch_init())) {	55	if (!(res = kbd_arch_init())) {
58	// printf("Kbd registration failed with retval %d.\n", res);	-
59	return -1;	56	return -1;
60	};	57	};
61		58
62	/* Initialize key buffer */	59	/* Initialize key buffer */
63	keybuffer_init(&keybuffer);	60	keybuffer_init(&keybuffer);
64		61
65	/* Register service at nameserver */	62	/* Register service at nameserver */
66	// printf("%s: Registering at naming service.\n", NAME);	-
67		63
68	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {	64	if ((res = ipc_connect_to_me(PHONE_NS, SERVICE_KEYBOARD, 0, &phonead)) != 0) {
69	// printf("%s: Error: Registering at naming service failed.\n", NAME);	-
70	return -1;	65	return -1;
71	};	66	};
72		67
73	while (1) {	68	while (1) {
74	callid = ipc_wait_for_call(&call);	69	callid = ipc_wait_for_call(&call);
75	// printf("%s:Call phone=%lX..", NAME, call.in_phone_hash);	-
76	switch (IPC_GET_METHOD(call)) {	70	switch (IPC_GET_METHOD(call)) {
77	case IPC_M_PHONE_HUNGUP:	71	case IPC_M_PHONE_HUNGUP:
78	// printf("%s: Phone hung up.\n", NAME);	-
79	connected = 0;	72	connected = 0;
80	retval = 0;	73	retval = 0;
81	break;	74	break;
82	case IPC_M_CONNECT_ME_TO:	75	case IPC_M_CONNECT_ME_TO:
83	// printf("%s: Connect me (%P) to: %zd\n",NAME, IPC_GET_ARG3(call), IPC_GET_ARG1(call));	-
84	/* Only one connected client allowed */	76	/* Only one connected client allowed */
85	if (connected) {	77	if (connected) {
86	retval = ELIMIT;	78	retval = ELIMIT;
87	} else {	79	} else {
88	retval = 0;	80	retval = 0;
89	connected = 1;	81	connected = 1;
90	}	82	}
91	break;	83	break;
92	case IPC_M_CONNECT_TO_ME:	84	case IPC_M_CONNECT_TO_ME:
93	phoneid = IPC_GET_ARG3(call);	85	phoneid = IPC_GET_ARG3(call);
94	retval = 0;	86	retval = 0;
95	break;	87	break;
96		88
97	case IPC_M_INTERRUPT:	89	case IPC_M_INTERRUPT:
98	if (connected) {	90	if (connected) {
99	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */	91	/* recode to ASCII - one interrupt can produce more than one code so result is stored in fifo */
100	kbd_arch_process(&keybuffer, IPC_GET_ARG2(call));	92	kbd_arch_process(&keybuffer, IPC_GET_ARG2(call));
101		93
102	//printf("%s: GOT INTERRUPT: %c\n", NAME, key);	-
103		-
104	/* Some callers could awaiting keypress - if its true, we have to send keys to them.	-
105	* One interrupt can store more than one key into buffer. */	-
106		-
107	retval = 0;	94	retval = 0;
108		95
109	while (!keybuffer_empty(&keybuffer)) {	96	while (!keybuffer_empty(&keybuffer)) {
110	if (!keybuffer_pop(&keybuffer, (char *)&arg1)) {	97	if (!keybuffer_pop(&keybuffer, (char *)&arg1)) {
111	// printf("%s: KeyBuffer is empty but it should not be.\n");	-
112	break;	98	break;
113	}	99	}
114	/FIXME: detection of closed connection /	-
115	ipc_call_async(phoneid, KBD_PUSHCHAR, arg1, NULL, NULL);	100	ipc_call_async(phoneid, KBD_PUSHCHAR, arg1, NULL, NULL);
116	}	101	}
117		102
118	}	103	}
119	// printf("%s: Interrupt processed.\n", NAME);	-
120	break;	104	break;
121	default:	105	default:
122	// printf("%s: Unknown method: %zd\n", NAME, IPC_GET_METHOD(call));	-
123	retval = ENOENT;	106	retval = ENOENT;
124	break;	107	break;
125	}	108	}
126		109
127	if (! (callid & IPC_CALLID_NOTIFICATION)) {	110	if (! (callid & IPC_CALLID_NOTIFICATION)) {
128	ipc_answer_fast(callid, retval, arg1, arg2);	111	ipc_answer_fast(callid, retval, arg1, arg2);
129	}	112	}
130	}	113	}
131	}	114	}
132		115
133		116

Subversion Repositories HelenOS

(root)/branches/dynload/uspace/srv/kbd/generic/kbd.c @ 4759 – Rev 1451 → 1499