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1 | /* |
1 | /* |
2 | * Copyright (c) 2009 Jakub Jermar |
2 | * Copyright (c) 2009 Jakub Jermar |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genarch |
29 | /** @addtogroup genarch |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** |
32 | /** |
33 | * @file |
33 | * @file |
34 | * @brief Serial line processing. |
34 | * @brief Serial line processing. |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <genarch/srln/srln.h> |
37 | #include <genarch/srln/srln.h> |
38 | #include <console/chardev.h> |
38 | #include <console/chardev.h> |
39 | #include <console/console.h> |
39 | #include <console/console.h> |
40 | #include <proc/thread.h> |
40 | #include <proc/thread.h> |
41 | #include <arch.h> |
41 | #include <arch.h> |
- | 42 | #include <string.h> |
|
42 | 43 | ||
43 | static indev_t srlnout; |
44 | static indev_t srlnout; |
44 | 45 | ||
45 | indev_operations_t srlnout_ops = { |
46 | indev_operations_t srlnout_ops = { |
46 | .poll = NULL |
47 | .poll = NULL |
47 | }; |
48 | }; |
48 | 49 | ||
49 | static void ksrln(void *arg) |
50 | static void ksrln(void *arg) |
50 | { |
51 | { |
51 | indev_t *in = (indev_t *) arg; |
52 | indev_t *in = (indev_t *) arg; |
52 | bool cr = false; |
53 | bool cr = false; |
- | 54 | uint32_t escape = 0; |
|
53 | 55 | ||
54 | while (true) { |
56 | while (true) { |
55 | uint8_t ch = _getc(in); |
57 | wchar_t ch = _getc(in); |
56 | 58 | ||
- | 59 | /* ANSI escape sequence processing */ |
|
- | 60 | if (escape != 0) { |
|
- | 61 | escape <<= 8; |
|
- | 62 | escape |= ch & 0xff; |
|
- | 63 | ||
- | 64 | if ((escape == 0x1b4f) || (escape == 0x1b5b) || (escape == 0x1b5b33)) |
|
- | 65 | continue; |
|
- | 66 | ||
- | 67 | switch (escape) { |
|
- | 68 | case 0x1b4f46: |
|
- | 69 | case 0x1b5b46: |
|
- | 70 | ch = U_END_ARROW; |
|
- | 71 | escape = 0; |
|
- | 72 | break; |
|
- | 73 | case 0x1b4f48: |
|
- | 74 | case 0x1b5b48: |
|
- | 75 | ch = U_HOME_ARROW; |
|
- | 76 | escape = 0; |
|
- | 77 | break; |
|
- | 78 | case 0x1b5b41: |
|
- | 79 | ch = U_UP_ARROW; |
|
- | 80 | escape = 0; |
|
- | 81 | break; |
|
- | 82 | case 0x1b5b42: |
|
- | 83 | ch = U_DOWN_ARROW; |
|
- | 84 | escape = 0; |
|
- | 85 | break; |
|
- | 86 | case 0x1b5b43: |
|
- | 87 | ch = U_RIGHT_ARROW; |
|
- | 88 | escape = 0; |
|
- | 89 | break; |
|
- | 90 | case 0x1b5b44: |
|
- | 91 | ch = U_LEFT_ARROW; |
|
- | 92 | escape = 0; |
|
- | 93 | break; |
|
- | 94 | case 0x1b5b337e: |
|
- | 95 | ch = U_DELETE; |
|
- | 96 | escape = 0; |
|
- | 97 | break; |
|
- | 98 | default: |
|
- | 99 | escape = 0; |
|
- | 100 | } |
|
- | 101 | } |
|
- | 102 | ||
- | 103 | if (ch == 0x1b) { |
|
- | 104 | escape = ch & 0xff; |
|
- | 105 | continue; |
|
- | 106 | } |
|
- | 107 | ||
- | 108 | /* Replace carriage return with line feed |
|
- | 109 | and suppress any following line feed */ |
|
57 | if ((ch == '\n') && (cr)) { |
110 | if ((ch == '\n') && (cr)) { |
58 | cr = false; |
111 | cr = false; |
59 | continue; |
112 | continue; |
60 | } |
113 | } |
61 | 114 | ||
62 | if (ch == '\r') { |
115 | if (ch == '\r') { |
63 | ch = '\n'; |
116 | ch = '\n'; |
64 | cr = true; |
117 | cr = true; |
65 | } else |
118 | } else |
66 | cr = false; |
119 | cr = false; |
67 | 120 | ||
- | 121 | /* Backspace */ |
|
68 | if (ch == 0x7f) |
122 | if (ch == 0x7f) |
69 | ch = '\b'; |
123 | ch = '\b'; |
70 | 124 | ||
71 | indev_push_character(stdin, ch); |
125 | indev_push_character(stdin, ch); |
72 | } |
126 | } |
73 | } |
127 | } |
74 | 128 | ||
75 | void srln_init(indev_t *devin) |
129 | void srln_init(indev_t *devin) |
76 | { |
130 | { |
77 | indev_initialize("srln", &srlnout, &srlnout_ops); |
131 | indev_initialize("srln", &srlnout, &srlnout_ops); |
78 | thread_t *thread |
132 | thread_t *thread |
79 | = thread_create(ksrln, devin, TASK, 0, "ksrln", false); |
133 | = thread_create(ksrln, devin, TASK, 0, "ksrln", false); |
80 | 134 | ||
81 | if (thread) { |
135 | if (thread) { |
82 | stdin = &srlnout; |
136 | stdin = &srlnout; |
83 | thread_ready(thread); |
137 | thread_ready(thread); |
84 | } |
138 | } |
85 | } |
139 | } |
86 | 140 | ||
87 | /** @} |
141 | /** @} |
88 | */ |
142 | */ |
89 | 143 |