WebSVN – HelenOS-historic – Diff – /uspace/trunk/fb/sysio.c


/*
 * Copyright (C) 2006 Ondrej Palkovsky
 * 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 <async.h>
#include <ipc/fb.h>
#include <ipc/ipc.h>
#include <libc.h>
#include <errno.h>
#include <string.h>
#include <libc.h>
#include <stdio.h>
 
#include "sysio.h"
 
/* Allow only 1 connection */
static int client_connected = 0;
 
static void sysput(char c)
{
    __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1);
}
 
static void sysputs(char *s)
{
    __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s));
}
 
/** Send clearscreen sequence to console */
static void clrscr(void)
{
    sysputs("\033[2J");
}
 
/** Send ansi sequence to console to change cursor position */
static void curs_goto(unsigned int row, unsigned int col)
{
    char control[20];
 
    if (row > 200 || col > 200)
        return;
 
    snprintf(control, 20, "\033[%d;%df",row+1, col+1);
    sysputs(control);
}
 
static void set_style(int mode)
{
    char control[20];
   
    snprintf(control, 20, "\033[%dm", mode);
    sysputs(control);
}
 
/** ANSI terminal emulation main thread */
static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall)
{
    int retval;
    ipc_callid_t callid;
    ipc_call_t call;
    char c;
    int lastcol=0;
    int lastrow=0;
    int newcol,newrow;
    int fgcolor,bgcolor;
 
    if (client_connected) {
        ipc_answer_fast(iid, ELIMIT, 0,0);
        return;
    }
    client_connected = 1;
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
    while (1) {
        callid = async_get_call(&call);
        switch (IPC_GET_METHOD(call)) {
        case IPC_M_PHONE_HUNGUP:
            client_connected = 0;
            ipc_answer_fast(callid,0,0,0);
            return; /* Exit thread */
        case FB_PUTCHAR:
            c = IPC_GET_ARG1(call);
            newrow = IPC_GET_ARG2(call);
            newcol = IPC_GET_ARG3(call);
            if (lastcol != newcol || lastrow!=newrow)
                curs_goto(newrow, newcol);
            lastcol = newcol + 1;
            lastrow = newrow;
            sysput(c);
            retval = 0;
            break;
        case FB_CURSOR_GOTO:
            newrow = IPC_GET_ARG1(call);
            newcol = IPC_GET_ARG2(call);
            curs_goto(newrow, newcol);
            break;
        case FB_GET_CSIZE:
            ipc_answer_fast(callid, 0, 25, 80);
            continue;
        case FB_CLEAR:
            clrscr();
            retval = 0;
            break;
        case FB_SET_STYLE:
            fgcolor = IPC_GET_ARG1(call);
            bgcolor = IPC_GET_ARG2(call);
            if (fgcolor > bgcolor)
                set_style(0);
            else
                set_style(7);
            retval = 0;
            break;
        default:
            retval = ENOENT;
        }
        ipc_answer_fast(callid,retval,0,0);
    }
}
 
/** ANSI terminal emulation initialization */
void sysio_init(void)
{
    async_set_client_connection(sysio_client_connection);
    clrscr();
    curs_goto(0,0);
}
 

Rev 1534	Rev 1535
1	/*	1	/*
2	* Copyright (C) 2006 Ondrej Palkovsky	2	* Copyright (C) 2006 Ondrej Palkovsky
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 <async.h>	29	#include <async.h>
30	#include <ipc/fb.h>	30	#include <ipc/fb.h>
31	#include <ipc/ipc.h>	31	#include <ipc/ipc.h>
32	#include <libc.h>	32	#include <libc.h>
33	#include <errno.h>	33	#include <errno.h>
34	#include <string.h>	34	#include <string.h>
35	#include <libc.h>	35	#include <libc.h>
36	#include <stdio.h>	36	#include <stdio.h>
37		37
38	#include "sysio.h"	38	#include "sysio.h"
39		39
40	/* Allow only 1 connection */	40	/* Allow only 1 connection */
41	static int client_connected = 0;	41	static int client_connected = 0;
42		42
43	static void sysput(char c)	43	static void sysput(char c)
44	{	44	{
45	__SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1);	45	__SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1);
46	}	46	}
47		47
48	static void sysputs(char *s)	48	static void sysputs(char *s)
49	{	49	{
50	__SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s));	50	__SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s));
51	}	51	}
52		52
53	/** Send clearscreen sequence to console */	53	/** Send clearscreen sequence to console */
54	static void clrscr(void)	54	static void clrscr(void)
55	{	55	{
56	sysputs("\033[2J");	56	sysputs("\033[2J");
57	}	57	}
58		58
59	/** Send ansi sequence to console to change cursor position */	59	/** Send ansi sequence to console to change cursor position */
60	static void curs_goto(unsigned int row, unsigned int col)	60	static void curs_goto(unsigned int row, unsigned int col)
61	{	61	{
62	char control[20];	62	char control[20];
63		63
64	if (row > 200 \|\| col > 200)	64	if (row > 200 \|\| col > 200)
65	return;	65	return;
66		66
67	snprintf(control, 20, "\033[%d;%df",row+1, col+1);	67	snprintf(control, 20, "\033[%d;%df",row+1, col+1);
68	sysputs(control);	68	sysputs(control);
69	}	69	}
70		70
71	static void set_style(int mode)	71	static void set_style(int mode)
72	{	72	{
73	char control[20];	73	char control[20];
74		74
75	snprintf(control, 20, "\033[%df", mode);	75	snprintf(control, 20, "\033[%dm", mode);
76	sysputs(control);	76	sysputs(control);
77	}	77	}
78		78
79	/** ANSI terminal emulation main thread */	79	/** ANSI terminal emulation main thread */
80	static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall)	80	static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall)
81	{	81	{
82	int retval;	82	int retval;
83	ipc_callid_t callid;	83	ipc_callid_t callid;
84	ipc_call_t call;	84	ipc_call_t call;
85	char c;	85	char c;
86	int lastcol=0;	86	int lastcol=0;
87	int lastrow=0;	87	int lastrow=0;
88	int newcol,newrow;	88	int newcol,newrow;
89	int fgcolor,bgcolor;	89	int fgcolor,bgcolor;
90		90
91	if (client_connected) {	91	if (client_connected) {
92	ipc_answer_fast(iid, ELIMIT, 0,0);	92	ipc_answer_fast(iid, ELIMIT, 0,0);
93	return;	93	return;
94	}	94	}
95	client_connected = 1;	95	client_connected = 1;
96	ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */	96	ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
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	client_connected = 0;	101	client_connected = 0;
102	ipc_answer_fast(callid,0,0,0);	102	ipc_answer_fast(callid,0,0,0);
103	return; /* Exit thread */	103	return; /* Exit thread */
104	case FB_PUTCHAR:	104	case FB_PUTCHAR:
105	c = IPC_GET_ARG1(call);	105	c = IPC_GET_ARG1(call);
106	newrow = IPC_GET_ARG2(call);	106	newrow = IPC_GET_ARG2(call);
107	newcol = IPC_GET_ARG3(call);	107	newcol = IPC_GET_ARG3(call);
108	if (lastcol != newcol \|\| lastrow!=newrow)	108	if (lastcol != newcol \|\| lastrow!=newrow)
109	curs_goto(newrow, newcol);	109	curs_goto(newrow, newcol);
110	lastcol = newcol + 1;	110	lastcol = newcol + 1;
111	lastrow = newrow;	111	lastrow = newrow;
112	sysput(c);	112	sysput(c);
113	retval = 0;	113	retval = 0;
114	break;	114	break;
115	case FB_CURSOR_GOTO:	115	case FB_CURSOR_GOTO:
116	newrow = IPC_GET_ARG1(call);	116	newrow = IPC_GET_ARG1(call);
117	newcol = IPC_GET_ARG2(call);	117	newcol = IPC_GET_ARG2(call);
118	curs_goto(newrow, newcol);	118	curs_goto(newrow, newcol);
119	break;	119	break;
120	case FB_GET_CSIZE:	120	case FB_GET_CSIZE:
121	ipc_answer_fast(callid, 0, 25, 80);	121	ipc_answer_fast(callid, 0, 25, 80);
122	continue;	122	continue;
123	case FB_CLEAR:	123	case FB_CLEAR:
124	clrscr();	124	clrscr();
125	retval = 0;	125	retval = 0;
126	break;	126	break;
127	case FB_SET_STYLE:	127	case FB_SET_STYLE:
128	fgcolor = IPC_GET_ARG1(call);	128	fgcolor = IPC_GET_ARG1(call);
129	bgcolor = IPC_GET_ARG2(call);	129	bgcolor = IPC_GET_ARG2(call);
130	if (fgcolor > bgcolor)	130	if (fgcolor > bgcolor)
131	set_style(0);	131	set_style(0);
132	else	132	else
133	set_style(7);	133	set_style(7);
134	retval = 0;	134	retval = 0;
135	break;	135	break;
136	default:	136	default:
137	retval = ENOENT;	137	retval = ENOENT;
138	}	138	}
139	ipc_answer_fast(callid,retval,0,0);	139	ipc_answer_fast(callid,retval,0,0);
140	}	140	}
141	}	141	}
142		142
143	/** ANSI terminal emulation initialization */	143	/** ANSI terminal emulation initialization */
144	void sysio_init(void)	144	void sysio_init(void)
145	{	145	{
146	async_set_client_connection(sysio_client_connection);	146	async_set_client_connection(sysio_client_connection);
147	clrscr();	147	clrscr();
148	curs_goto(0,0);	148	curs_goto(0,0);
149	}	149	}
150		150

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/fb/sysio.c @ 1534 – Rev 1534 → 1535