0,0 → 1,184 |
/* |
* 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" |
|
#define WIDTH 80 |
#define HEIGHT 25 |
|
/* 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) |
{ |
while (*s) { |
sysput(*(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); |
} |
|
static void scroll(int i) |
{ |
if (i > 0) { |
curs_goto(HEIGHT-1, 0); |
while (i--) |
sysputs("\033D"); |
} else if (i < 0) { |
curs_goto(0,0); |
while (i++) |
sysputs("\033M"); |
} |
} |
|
/** 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; |
int i; |
|
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); |
lastrow = newrow; |
lastcol = newcol; |
break; |
case FB_GET_CSIZE: |
ipc_answer_fast(callid, 0, HEIGHT, WIDTH); |
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; |
case FB_SCROLL: |
i = IPC_GET_ARG1(call); |
if (i > HEIGHT || i < -HEIGHT) { |
retval = EINVAL; |
break; |
} |
scroll(i); |
curs_goto(lastrow, lastcol); |
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); |
/* Set scrolling region to 0-25 lines */ |
sysputs("\033[0;25r"); |
} |