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1 | /* |
1 | /* |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
2 | * Copyright (c) 2006 Ondrej Palkovsky |
3 | * Copyright (c) 2008 Martin Decky |
3 | * Copyright (c) 2008 Martin Decky |
4 | * Copyright (c) 2008 Pavel Rimsky |
4 | * Copyright (c) 2008 Pavel Rimsky |
5 | * All rights reserved. |
5 | * All rights reserved. |
6 | * |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
9 | * are met: |
10 | * |
10 | * |
11 | * - Redistributions of source code must retain the above copyright |
11 | * - Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * - Redistributions in binary form must reproduce the above copyright |
13 | * - Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
15 | * documentation and/or other materials provided with the distribution. |
16 | * - The name of the author may not be used to endorse or promote products |
16 | * - The name of the author may not be used to endorse or promote products |
17 | * derived from this software without specific prior written permission. |
17 | * derived from this software without specific prior written permission. |
18 | * |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
29 | */ |
30 | 30 | ||
31 | /** |
31 | /** |
32 | * @defgroup serial Serial console |
32 | * @defgroup serial Serial console |
33 | * @brief Serial console services (putc, puts, clear screen, cursor goto,...) |
33 | * @brief Serial console services (putc, puts, clear screen, cursor goto,...) |
34 | * @{ |
34 | * @{ |
35 | */ |
35 | */ |
36 | 36 | ||
37 | /** @file |
37 | /** @file |
38 | */ |
38 | */ |
39 | 39 | ||
40 | #include <stdio.h> |
40 | #include <stdio.h> |
- | 41 | #include <ipc/ipc.h> |
|
- | 42 | #include <async.h> |
|
- | 43 | #include <ipc/fb.h> |
|
- | 44 | #include <bool.h> |
|
- | 45 | #include <errno.h> |
|
41 | 46 | ||
42 | #include "serial_console.h" |
47 | #include "serial_console.h" |
43 | 48 | ||
44 | #define MAX_CONTROL 20 |
49 | #define MAX_CONTROL 20 |
45 | 50 | ||
46 | static uint32_t width; |
51 | static int width; |
47 | static uint32_t height; |
52 | static int height; |
48 | static putc_function_t putc_function; |
53 | static putc_function_t putc_function; |
49 | 54 | ||
- | 55 | /* Allow only 1 connection */ |
|
- | 56 | static int client_connected = 0; |
|
- | 57 | ||
50 | void serial_puts(char *str) |
58 | void serial_puts(char *str) |
51 | { |
59 | { |
52 | while (*str) |
60 | while (*str) |
53 | putc_function(*(str++)); |
61 | putc_function(*(str++)); |
54 | } |
62 | } |
55 | 63 | ||
56 | void serial_goto(const unsigned int row, const unsigned int col) |
64 | void serial_goto(const unsigned int row, const unsigned int col) |
57 | { |
65 | { |
58 | if ((row > height) || (col > width)) |
66 | if ((row > height) || (col > width)) |
59 | return; |
67 | return; |
60 | 68 | ||
61 | char control[20]; |
69 | char control[20]; |
62 | snprintf(control, 20, "\033[%u;%uf", row + 1, col + 1); |
70 | snprintf(control, 20, "\033[%u;%uf", row + 1, col + 1); |
63 | serial_puts(control); |
71 | serial_puts(control); |
64 | } |
72 | } |
65 | 73 | ||
66 | void serial_clrscr(void) |
74 | void serial_clrscr(void) |
67 | { |
75 | { |
68 | serial_puts("\033[2J"); |
76 | serial_puts("\033[2J"); |
69 | } |
77 | } |
70 | 78 | ||
71 | void serial_scroll(int i) |
79 | void serial_scroll(int i) |
72 | { |
80 | { |
73 | if (i > 0) { |
81 | if (i > 0) { |
74 | serial_goto(height - 1, 0); |
82 | serial_goto(height - 1, 0); |
75 | while (i--) |
83 | while (i--) |
76 | serial_puts("\033D"); |
84 | serial_puts("\033D"); |
77 | } else if (i < 0) { |
85 | } else if (i < 0) { |
78 | serial_goto(0, 0); |
86 | serial_goto(0, 0); |
79 | while (i++) |
87 | while (i++) |
80 | serial_puts("\033M"); |
88 | serial_puts("\033M"); |
81 | } |
89 | } |
82 | } |
90 | } |
83 | 91 | ||
84 | void serial_set_style(const unsigned int mode) |
92 | void serial_set_style(const unsigned int mode) |
85 | { |
93 | { |
86 | char control[MAX_CONTROL]; |
94 | char control[MAX_CONTROL]; |
87 | snprintf(control, MAX_CONTROL, "\033[%um", mode); |
95 | snprintf(control, MAX_CONTROL, "\033[%um", mode); |
88 | serial_puts(control); |
96 | serial_puts(control); |
89 | } |
97 | } |
90 | 98 | ||
- | 99 | /** Set scrolling region. */ |
|
- | 100 | void serial_set_scroll_region(unsigned last_row) |
|
- | 101 | { |
|
- | 102 | char control[MAX_CONTROL]; |
|
- | 103 | snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row); |
|
- | 104 | serial_puts(control); |
|
- | 105 | } |
|
- | 106 | ||
91 | void serial_cursor_disable(void) |
107 | void serial_cursor_disable(void) |
92 | { |
108 | { |
93 | serial_puts("\033[?25l"); |
109 | serial_puts("\033[?25l"); |
94 | } |
110 | } |
95 | 111 | ||
96 | void serial_cursor_enable(void) |
112 | void serial_cursor_enable(void) |
97 | { |
113 | { |
98 | serial_puts("\033[?25h"); |
114 | serial_puts("\033[?25h"); |
99 | } |
115 | } |
100 | 116 | ||
101 | void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h) |
117 | void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h) |
102 | { |
118 | { |
103 | width = w; |
119 | width = w; |
104 | height = h; |
120 | height = h; |
105 | putc_function = putc_fn; |
121 | putc_function = putc_fn; |
106 | } |
122 | } |
- | 123 | ||
- | 124 | /** |
|
- | 125 | * Main function of the thread serving client connections. |
|
- | 126 | */ |
|
- | 127 | void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
|
- | 128 | { |
|
- | 129 | int retval; |
|
- | 130 | ipc_callid_t callid; |
|
- | 131 | ipc_call_t call; |
|
- | 132 | char c; |
|
- | 133 | int lastcol = 0; |
|
- | 134 | int lastrow = 0; |
|
- | 135 | int newcol; |
|
- | 136 | int newrow; |
|
- | 137 | int fgcolor; |
|
- | 138 | int bgcolor; |
|
- | 139 | int i; |
|
- | 140 | ||
- | 141 | if (client_connected) { |
|
- | 142 | ipc_answer_0(iid, ELIMIT); |
|
- | 143 | return; |
|
- | 144 | } |
|
- | 145 | ||
- | 146 | client_connected = 1; |
|
- | 147 | ipc_answer_0(iid, EOK); |
|
- | 148 | ||
- | 149 | /* Clear the terminal, set scrolling region |
|
- | 150 | to 0 - height rows. */ |
|
- | 151 | serial_clrscr(); |
|
- | 152 | serial_goto(0, 0); |
|
- | 153 | serial_set_scroll_region(height); |
|
- | 154 | ||
- | 155 | while (true) { |
|
- | 156 | callid = async_get_call(&call); |
|
- | 157 | switch (IPC_GET_METHOD(call)) { |
|
- | 158 | case IPC_M_PHONE_HUNGUP: |
|
- | 159 | client_connected = 0; |
|
- | 160 | ipc_answer_0(callid, EOK); |
|
- | 161 | return; |
|
- | 162 | case FB_PUTCHAR: |
|
- | 163 | c = IPC_GET_ARG1(call); |
|
- | 164 | newrow = IPC_GET_ARG2(call); |
|
- | 165 | newcol = IPC_GET_ARG3(call); |
|
- | 166 | if ((lastcol != newcol) || (lastrow != newrow)) |
|
- | 167 | serial_goto(newrow, newcol); |
|
- | 168 | lastcol = newcol + 1; |
|
- | 169 | lastrow = newrow; |
|
- | 170 | (*putc_function)(c); |
|
- | 171 | retval = 0; |
|
- | 172 | break; |
|
- | 173 | case FB_CURSOR_GOTO: |
|
- | 174 | newrow = IPC_GET_ARG1(call); |
|
- | 175 | newcol = IPC_GET_ARG2(call); |
|
- | 176 | serial_goto(newrow, newcol); |
|
- | 177 | lastrow = newrow; |
|
- | 178 | lastcol = newcol; |
|
- | 179 | retval = 0; |
|
- | 180 | break; |
|
- | 181 | case FB_GET_CSIZE: |
|
- | 182 | ipc_answer_2(callid, EOK, height, width); |
|
- | 183 | continue; |
|
- | 184 | case FB_CLEAR: |
|
- | 185 | serial_clrscr(); |
|
- | 186 | retval = 0; |
|
- | 187 | break; |
|
- | 188 | case FB_SET_STYLE: |
|
- | 189 | fgcolor = IPC_GET_ARG1(call); |
|
- | 190 | bgcolor = IPC_GET_ARG2(call); |
|
- | 191 | if (fgcolor < bgcolor) |
|
- | 192 | serial_set_style(0); |
|
- | 193 | else |
|
- | 194 | serial_set_style(7); |
|
- | 195 | retval = 0; |
|
- | 196 | break; |
|
- | 197 | case FB_SCROLL: |
|
- | 198 | i = IPC_GET_ARG1(call); |
|
- | 199 | if ((i > height) || (i < -height)) { |
|
- | 200 | retval = EINVAL; |
|
- | 201 | break; |
|
- | 202 | } |
|
- | 203 | serial_scroll(i); |
|
- | 204 | serial_goto(lastrow, lastcol); |
|
- | 205 | retval = 0; |
|
- | 206 | break; |
|
- | 207 | case FB_CURSOR_VISIBILITY: |
|
- | 208 | if(IPC_GET_ARG1(call)) |
|
- | 209 | serial_cursor_enable(); |
|
- | 210 | else |
|
- | 211 | serial_cursor_disable(); |
|
- | 212 | retval = 0; |
|
- | 213 | break; |
|
- | 214 | default: |
|
- | 215 | retval = ENOENT; |
|
- | 216 | } |
|
- | 217 | ipc_answer_0(callid, retval); |
|
- | 218 | } |
|
- | 219 | } |
|
107 | 220 | ||
108 | /** |
221 | /** |
109 | * @} |
222 | * @} |
110 | */ |
223 | */ |
111 | 224 |