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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 | |||
| 1649 | cejka | 29 | /** @defgroup sysio SysIO |
| 30 | * @brief HelenOS framebuffer emulation via kernel. |
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| 31 | * @ingroup fbs |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | /** @file |
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| 35 | */ |
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| 36 | |||
| 1490 | palkovsky | 37 | #include <async.h> |
| 38 | #include <ipc/fb.h> |
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| 39 | #include <ipc/ipc.h> |
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| 40 | #include <libc.h> |
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| 41 | #include <errno.h> |
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| 1492 | palkovsky | 42 | #include <string.h> |
| 43 | #include <libc.h> |
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| 44 | #include <stdio.h> |
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| 1490 | palkovsky | 45 | |
| 46 | #include "sysio.h" |
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| 47 | |||
| 1630 | palkovsky | 48 | #define WIDTH 80 |
| 49 | #define HEIGHT 25 |
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| 50 | |||
| 1490 | palkovsky | 51 | /* Allow only 1 connection */ |
| 52 | static int client_connected = 0; |
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| 53 | |||
| 54 | static void sysput(char c) |
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| 55 | { |
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| 56 | __SYSCALL3(SYS_IO, 1, (sysarg_t)&c, (sysarg_t) 1); |
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| 57 | } |
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| 58 | |||
| 1492 | palkovsky | 59 | static void sysputs(char *s) |
| 60 | { |
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| 1542 | palkovsky | 61 | while (*s) { |
| 62 | sysput(*(s++)); |
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| 63 | } |
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| 64 | // __SYSCALL3(SYS_IO, 1, (sysarg_t)s, strlen(s)); |
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| 1492 | palkovsky | 65 | } |
| 66 | |||
| 1498 | palkovsky | 67 | /** Send clearscreen sequence to console */ |
| 68 | static void clrscr(void) |
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| 69 | { |
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| 70 | sysputs("\033[2J"); |
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| 71 | } |
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| 72 | |||
| 73 | /** Send ansi sequence to console to change cursor position */ |
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| 1492 | palkovsky | 74 | static void curs_goto(unsigned int row, unsigned int col) |
| 75 | { |
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| 76 | char control[20]; |
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| 77 | |||
| 1498 | palkovsky | 78 | if (row > 200 || col > 200) |
| 1492 | palkovsky | 79 | return; |
| 80 | |||
| 1500 | palkovsky | 81 | snprintf(control, 20, "\033[%d;%df",row+1, col+1); |
| 1492 | palkovsky | 82 | sysputs(control); |
| 83 | } |
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| 84 | |||
| 1534 | palkovsky | 85 | static void set_style(int mode) |
| 86 | { |
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| 87 | char control[20]; |
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| 88 | |||
| 1535 | palkovsky | 89 | snprintf(control, 20, "\033[%dm", mode); |
| 1534 | palkovsky | 90 | sysputs(control); |
| 91 | } |
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| 92 | |||
| 1630 | palkovsky | 93 | static void scroll(int i) |
| 94 | { |
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| 95 | if (i > 0) { |
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| 96 | curs_goto(HEIGHT-1, 0); |
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| 97 | while (i--) |
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| 98 | sysputs("\033D"); |
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| 99 | } else if (i < 0) { |
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| 100 | curs_goto(0,0); |
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| 101 | while (i++) |
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| 102 | sysputs("\033M"); |
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| 103 | } |
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| 104 | } |
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| 105 | |||
| 1498 | palkovsky | 106 | /** ANSI terminal emulation main thread */ |
| 1490 | palkovsky | 107 | static void sysio_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| 108 | { |
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| 109 | int retval; |
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| 110 | ipc_callid_t callid; |
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| 111 | ipc_call_t call; |
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| 112 | char c; |
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| 1492 | palkovsky | 113 | int lastcol=0; |
| 114 | int lastrow=0; |
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| 115 | int newcol,newrow; |
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| 1534 | palkovsky | 116 | int fgcolor,bgcolor; |
| 1630 | palkovsky | 117 | int i; |
| 1490 | palkovsky | 118 | |
| 119 | if (client_connected) { |
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| 120 | ipc_answer_fast(iid, ELIMIT, 0,0); |
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| 121 | return; |
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| 122 | } |
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| 123 | client_connected = 1; |
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| 124 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
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| 125 | while (1) { |
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| 126 | callid = async_get_call(&call); |
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| 127 | switch (IPC_GET_METHOD(call)) { |
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| 128 | case IPC_M_PHONE_HUNGUP: |
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| 129 | client_connected = 0; |
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| 130 | ipc_answer_fast(callid,0,0,0); |
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| 131 | return; /* Exit thread */ |
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| 132 | case FB_PUTCHAR: |
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| 133 | c = IPC_GET_ARG1(call); |
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| 1492 | palkovsky | 134 | newrow = IPC_GET_ARG2(call); |
| 135 | newcol = IPC_GET_ARG3(call); |
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| 136 | if (lastcol != newcol || lastrow!=newrow) |
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| 137 | curs_goto(newrow, newcol); |
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| 138 | lastcol = newcol + 1; |
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| 139 | lastrow = newrow; |
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| 1490 | palkovsky | 140 | sysput(c); |
| 141 | retval = 0; |
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| 142 | break; |
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| 1492 | palkovsky | 143 | case FB_CURSOR_GOTO: |
| 144 | newrow = IPC_GET_ARG1(call); |
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| 145 | newcol = IPC_GET_ARG2(call); |
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| 146 | curs_goto(newrow, newcol); |
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| 1630 | palkovsky | 147 | lastrow = newrow; |
| 148 | lastcol = newcol; |
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| 1492 | palkovsky | 149 | break; |
| 1490 | palkovsky | 150 | case FB_GET_CSIZE: |
| 1630 | palkovsky | 151 | ipc_answer_fast(callid, 0, HEIGHT, WIDTH); |
| 1490 | palkovsky | 152 | continue; |
| 1492 | palkovsky | 153 | case FB_CLEAR: |
| 1498 | palkovsky | 154 | clrscr(); |
| 1492 | palkovsky | 155 | retval = 0; |
| 156 | break; |
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| 1534 | palkovsky | 157 | case FB_SET_STYLE: |
| 158 | fgcolor = IPC_GET_ARG1(call); |
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| 159 | bgcolor = IPC_GET_ARG2(call); |
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| 1631 | palkovsky | 160 | if (fgcolor < bgcolor) |
| 1534 | palkovsky | 161 | set_style(0); |
| 162 | else |
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| 163 | set_style(7); |
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| 164 | retval = 0; |
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| 165 | break; |
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| 1630 | palkovsky | 166 | case FB_SCROLL: |
| 167 | i = IPC_GET_ARG1(call); |
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| 168 | if (i > HEIGHT || i < -HEIGHT) { |
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| 169 | retval = EINVAL; |
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| 170 | break; |
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| 171 | } |
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| 172 | scroll(i); |
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| 173 | curs_goto(lastrow, lastcol); |
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| 174 | retval = 0; |
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| 175 | break; |
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| 176 | |||
| 1490 | palkovsky | 177 | default: |
| 178 | retval = ENOENT; |
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| 179 | } |
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| 180 | ipc_answer_fast(callid,retval,0,0); |
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| 181 | } |
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| 182 | } |
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| 183 | |||
| 1498 | palkovsky | 184 | /** ANSI terminal emulation initialization */ |
| 1490 | palkovsky | 185 | void sysio_init(void) |
| 186 | { |
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| 187 | async_set_client_connection(sysio_client_connection); |
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| 1498 | palkovsky | 188 | clrscr(); |
| 1492 | palkovsky | 189 | curs_goto(0,0); |
| 1630 | palkovsky | 190 | /* Set scrolling region to 0-25 lines */ |
| 191 | sysputs("\033[0;25r"); |
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| 1490 | palkovsky | 192 | } |
| 1649 | cejka | 193 | |
| 194 | /** |
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| 195 | * @} |
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| 196 | */ |
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| 197 |