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| Rev | Author | Line No. | Line |
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| 1490 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <async.h> |
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| 30 | #include <ipc/fb.h> |
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| 31 | #include <ipc/ipc.h> |
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| 32 | #include <libc.h> |
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| 33 | #include <errno.h> |
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| 1492 | palkovsky | 34 | #include <string.h> |
| 35 | #include <libc.h> |
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| 36 | #include <stdio.h> |
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| 1490 | palkovsky | 37 | |
| 38 | #include "sysio.h" |
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| 39 | |||
| 40 | /* Allow only 1 connection */ |
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| 41 | static int client_connected = 0; |
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| 42 | |||
| 43 | static void sysput(char c) |
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| 44 | { |
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| 45 | __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1); |
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| 46 | } |
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| 47 | |||
| 1492 | palkovsky | 48 | static void sysputs(char *s) |
| 49 | { |
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| 50 | __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s)); |
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| 51 | } |
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| 52 | |||
| 1498 | palkovsky | 53 | /** Send clearscreen sequence to console */ |
| 54 | static void clrscr(void) |
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| 55 | { |
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| 56 | sysputs("\033[2J"); |
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| 57 | } |
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| 58 | |||
| 59 | /** Send ansi sequence to console to change cursor position */ |
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| 1492 | palkovsky | 60 | static void curs_goto(unsigned int row, unsigned int col) |
| 61 | { |
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| 62 | char control[20]; |
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| 63 | |||
| 1498 | palkovsky | 64 | if (row > 200 || col > 200) |
| 1492 | palkovsky | 65 | return; |
| 66 | |||
| 67 | snprintf(control, 20, "\033[%d;%df",row, col); |
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| 68 | sysputs(control); |
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| 69 | } |
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| 70 | |||
| 1498 | palkovsky | 71 | /** ANSI terminal emulation main thread */ |
| 1490 | palkovsky | 72 | static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| 73 | { |
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| 74 | int retval; |
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| 75 | ipc_callid_t callid; |
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| 76 | ipc_call_t call; |
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| 77 | char c; |
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| 1492 | palkovsky | 78 | int lastcol=0; |
| 79 | int lastrow=0; |
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| 80 | int newcol,newrow; |
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| 1490 | palkovsky | 81 | |
| 82 | if (client_connected) { |
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| 83 | ipc_answer_fast(iid, ELIMIT, 0,0); |
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| 84 | return; |
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| 85 | } |
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| 86 | client_connected = 1; |
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| 87 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
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| 88 | while (1) { |
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| 89 | callid = async_get_call(&call); |
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| 90 | switch (IPC_GET_METHOD(call)) { |
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| 91 | case IPC_M_PHONE_HUNGUP: |
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| 92 | client_connected = 0; |
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| 93 | ipc_answer_fast(callid,0,0,0); |
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| 94 | return; /* Exit thread */ |
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| 95 | case FB_PUTCHAR: |
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| 96 | c = IPC_GET_ARG1(call); |
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| 1492 | palkovsky | 97 | newrow = IPC_GET_ARG2(call); |
| 98 | newcol = IPC_GET_ARG3(call); |
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| 99 | if (lastcol != newcol || lastrow!=newrow) |
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| 100 | curs_goto(newrow, newcol); |
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| 101 | lastcol = newcol + 1; |
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| 102 | lastrow = newrow; |
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| 1490 | palkovsky | 103 | sysput(c); |
| 104 | retval = 0; |
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| 105 | break; |
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| 1492 | palkovsky | 106 | case FB_CURSOR_GOTO: |
| 107 | newrow = IPC_GET_ARG1(call); |
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| 108 | newcol = IPC_GET_ARG2(call); |
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| 109 | curs_goto(newrow, newcol); |
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| 110 | break; |
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| 1490 | palkovsky | 111 | case FB_GET_CSIZE: |
| 112 | ipc_answer_fast(callid, 0, 25, 80); |
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| 113 | continue; |
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| 1492 | palkovsky | 114 | case FB_CLEAR: |
| 1498 | palkovsky | 115 | clrscr(); |
| 1492 | palkovsky | 116 | retval = 0; |
| 117 | break; |
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| 1490 | palkovsky | 118 | default: |
| 119 | retval = ENOENT; |
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| 120 | } |
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| 121 | ipc_answer_fast(callid,retval,0,0); |
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| 122 | } |
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| 123 | } |
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| 124 | |||
| 1498 | palkovsky | 125 | /** ANSI terminal emulation initialization */ |
| 1490 | palkovsky | 126 | void sysio_init(void) |
| 127 | { |
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| 128 | async_set_client_connection(sysio_client_connection); |
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| 1498 | palkovsky | 129 | clrscr(); |
| 1492 | palkovsky | 130 | curs_goto(0,0); |
| 1490 | palkovsky | 131 | } |