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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 | |||
| 1630 | palkovsky | 40 | #define WIDTH 80 |
| 41 | #define HEIGHT 25 |
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| 42 | |||
| 1490 | palkovsky | 43 | /* Allow only 1 connection */ |
| 44 | static int client_connected = 0; |
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| 45 | |||
| 46 | static void sysput(char c) |
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| 47 | { |
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| 48 | __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1); |
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| 49 | } |
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| 50 | |||
| 1492 | palkovsky | 51 | static void sysputs(char *s) |
| 52 | { |
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| 1542 | palkovsky | 53 | while (*s) { |
| 54 | sysput(*(s++)); |
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| 55 | } |
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| 56 | // __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s)); |
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| 1492 | palkovsky | 57 | } |
| 58 | |||
| 1498 | palkovsky | 59 | /** Send clearscreen sequence to console */ |
| 60 | static void clrscr(void) |
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| 61 | { |
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| 62 | sysputs("\033[2J"); |
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| 63 | } |
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| 64 | |||
| 65 | /** Send ansi sequence to console to change cursor position */ |
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| 1492 | palkovsky | 66 | static void curs_goto(unsigned int row, unsigned int col) |
| 67 | { |
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| 68 | char control[20]; |
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| 69 | |||
| 1498 | palkovsky | 70 | if (row > 200 || col > 200) |
| 1492 | palkovsky | 71 | return; |
| 72 | |||
| 1500 | palkovsky | 73 | snprintf(control, 20, "\033[%d;%df",row+1, col+1); |
| 1492 | palkovsky | 74 | sysputs(control); |
| 75 | } |
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| 76 | |||
| 1534 | palkovsky | 77 | static void set_style(int mode) |
| 78 | { |
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| 79 | char control[20]; |
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| 80 | |||
| 1535 | palkovsky | 81 | snprintf(control, 20, "\033[%dm", mode); |
| 1534 | palkovsky | 82 | sysputs(control); |
| 83 | } |
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| 84 | |||
| 1630 | palkovsky | 85 | static void scroll(int i) |
| 86 | { |
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| 87 | if (i > 0) { |
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| 88 | curs_goto(HEIGHT-1, 0); |
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| 89 | while (i--) |
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| 90 | sysputs("\033D"); |
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| 91 | } else if (i < 0) { |
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| 92 | curs_goto(0,0); |
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| 93 | while (i++) |
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| 94 | sysputs("\033M"); |
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| 95 | } |
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| 96 | } |
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| 97 | |||
| 1498 | palkovsky | 98 | /** ANSI terminal emulation main thread */ |
| 1490 | palkovsky | 99 | static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| 100 | { |
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| 101 | int retval; |
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| 102 | ipc_callid_t callid; |
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| 103 | ipc_call_t call; |
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| 104 | char c; |
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| 1492 | palkovsky | 105 | int lastcol=0; |
| 106 | int lastrow=0; |
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| 107 | int newcol,newrow; |
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| 1534 | palkovsky | 108 | int fgcolor,bgcolor; |
| 1630 | palkovsky | 109 | int i; |
| 1490 | palkovsky | 110 | |
| 111 | if (client_connected) { |
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| 112 | ipc_answer_fast(iid, ELIMIT, 0,0); |
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| 113 | return; |
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| 114 | } |
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| 115 | client_connected = 1; |
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| 116 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
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| 117 | while (1) { |
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| 118 | callid = async_get_call(&call); |
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| 119 | switch (IPC_GET_METHOD(call)) { |
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| 120 | case IPC_M_PHONE_HUNGUP: |
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| 121 | client_connected = 0; |
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| 122 | ipc_answer_fast(callid,0,0,0); |
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| 123 | return; /* Exit thread */ |
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| 124 | case FB_PUTCHAR: |
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| 125 | c = IPC_GET_ARG1(call); |
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| 1492 | palkovsky | 126 | newrow = IPC_GET_ARG2(call); |
| 127 | newcol = IPC_GET_ARG3(call); |
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| 128 | if (lastcol != newcol || lastrow!=newrow) |
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| 129 | curs_goto(newrow, newcol); |
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| 130 | lastcol = newcol + 1; |
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| 131 | lastrow = newrow; |
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| 1490 | palkovsky | 132 | sysput(c); |
| 133 | retval = 0; |
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| 134 | break; |
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| 1492 | palkovsky | 135 | case FB_CURSOR_GOTO: |
| 136 | newrow = IPC_GET_ARG1(call); |
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| 137 | newcol = IPC_GET_ARG2(call); |
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| 138 | curs_goto(newrow, newcol); |
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| 1630 | palkovsky | 139 | lastrow = newrow; |
| 140 | lastcol = newcol; |
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| 1492 | palkovsky | 141 | break; |
| 1490 | palkovsky | 142 | case FB_GET_CSIZE: |
| 1630 | palkovsky | 143 | ipc_answer_fast(callid, 0, HEIGHT, WIDTH); |
| 1490 | palkovsky | 144 | continue; |
| 1492 | palkovsky | 145 | case FB_CLEAR: |
| 1498 | palkovsky | 146 | clrscr(); |
| 1492 | palkovsky | 147 | retval = 0; |
| 148 | break; |
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| 1534 | palkovsky | 149 | case FB_SET_STYLE: |
| 150 | fgcolor = IPC_GET_ARG1(call); |
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| 151 | bgcolor = IPC_GET_ARG2(call); |
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| 1631 | palkovsky | 152 | if (fgcolor < bgcolor) |
| 1534 | palkovsky | 153 | set_style(0); |
| 154 | else |
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| 155 | set_style(7); |
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| 156 | retval = 0; |
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| 157 | break; |
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| 1630 | palkovsky | 158 | case FB_SCROLL: |
| 159 | i = IPC_GET_ARG1(call); |
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| 160 | if (i > HEIGHT || i < -HEIGHT) { |
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| 161 | retval = EINVAL; |
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| 162 | break; |
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| 163 | } |
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| 164 | scroll(i); |
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| 165 | curs_goto(lastrow, lastcol); |
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| 166 | retval = 0; |
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| 167 | break; |
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| 168 | |||
| 1490 | palkovsky | 169 | default: |
| 170 | retval = ENOENT; |
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| 171 | } |
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| 172 | ipc_answer_fast(callid,retval,0,0); |
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| 173 | } |
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| 174 | } |
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| 175 | |||
| 1498 | palkovsky | 176 | /** ANSI terminal emulation initialization */ |
| 1490 | palkovsky | 177 | void sysio_init(void) |
| 178 | { |
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| 179 | async_set_client_connection(sysio_client_connection); |
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| 1498 | palkovsky | 180 | clrscr(); |
| 1492 | palkovsky | 181 | curs_goto(0,0); |
| 1630 | palkovsky | 182 | /* Set scrolling region to 0-25 lines */ |
| 183 | sysputs("\033[0;25r"); |
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| 1490 | palkovsky | 184 | } |