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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1339 | cejka | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2001-2004 Jakub Jermar |
| 3 | * Copyright (c) 2006 Josef Cejka |
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| 1339 | cejka | 4 | * All rights reserved. |
| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * |
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| 10 | * - Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * - Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * - The name of the author may not be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | */ |
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| 29 | |||
| 1873 | jermar | 30 | /** @addtogroup kbd |
| 31 | * @brief Handling of keyboard IRQ notifications for several architectures. |
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| 1649 | cejka | 32 | * @ingroup kbd |
| 33 | * @{ |
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| 34 | */ |
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| 35 | /** @file |
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| 36 | */ |
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| 37 | |||
| 1873 | jermar | 38 | #include <key_buffer.h> |
| 39 | #include <arch/scanc.h> |
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| 40 | #include <genarch/scanc.h> |
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| 41 | #include <genarch/kbd.h> |
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| 42 | #include <libc.h> |
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| 1339 | cejka | 43 | |
| 44 | #define PRESSED_SHIFT (1<<0) |
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| 45 | #define PRESSED_CAPSLOCK (1<<1) |
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| 46 | #define LOCKED_CAPSLOCK (1<<0) |
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| 47 | |||
| 48 | static volatile int keyflags; /**< Tracking of multiple keypresses. */ |
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| 49 | static volatile int lockflags; /**< Tracking of multiple keys lockings. */ |
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| 50 | |||
| 1873 | jermar | 51 | void key_released(keybuffer_t *keybuffer, unsigned char key) |
| 1339 | cejka | 52 | { |
| 53 | switch (key) { |
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| 1873 | jermar | 54 | case SC_LSHIFT: |
| 55 | case SC_RSHIFT: |
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| 56 | keyflags &= ~PRESSED_SHIFT; |
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| 57 | break; |
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| 58 | case SC_CAPSLOCK: |
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| 59 | keyflags &= ~PRESSED_CAPSLOCK; |
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| 60 | if (lockflags & LOCKED_CAPSLOCK) |
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| 61 | lockflags &= ~LOCKED_CAPSLOCK; |
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| 62 | else |
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| 63 | lockflags |= LOCKED_CAPSLOCK; |
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| 64 | break; |
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| 65 | default: |
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| 66 | break; |
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| 1339 | cejka | 67 | } |
| 68 | } |
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| 69 | |||
| 1873 | jermar | 70 | void key_pressed(keybuffer_t *keybuffer, unsigned char key) |
| 1339 | cejka | 71 | { |
| 1560 | vana | 72 | int *map = sc_primary_map; |
| 73 | int ascii = sc_primary_map[key]; |
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| 74 | int shift, capslock; |
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| 75 | int letter = 0; |
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| 1339 | cejka | 76 | |
| 1873 | jermar | 77 | static int esc_count = 0; |
| 1644 | vana | 78 | |
| 1873 | jermar | 79 | if (key == SC_ESC) { |
| 1644 | vana | 80 | esc_count++; |
| 1873 | jermar | 81 | if (esc_count == 3) |
| 1644 | vana | 82 | __SYSCALL0(SYS_DEBUG_ENABLE_CONSOLE); |
| 83 | } else { |
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| 1873 | jermar | 84 | esc_count = 0; |
| 1644 | vana | 85 | } |
| 86 | |||
| 1339 | cejka | 87 | switch (key) { |
| 1873 | jermar | 88 | case SC_LSHIFT: |
| 89 | case SC_RSHIFT: |
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| 90 | keyflags |= PRESSED_SHIFT; |
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| 91 | break; |
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| 92 | case SC_CAPSLOCK: |
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| 93 | keyflags |= PRESSED_CAPSLOCK; |
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| 94 | break; |
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| 95 | case SC_SPEC_ESCAPE: |
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| 96 | break; |
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| 97 | default: |
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| 98 | letter = ((ascii >= 'a') && (ascii <= 'z')); |
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| 99 | capslock = (keyflags & PRESSED_CAPSLOCK) || (lockflags & LOCKED_CAPSLOCK); |
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| 100 | shift = keyflags & PRESSED_SHIFT; |
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| 101 | if (letter && capslock) |
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| 102 | shift = !shift; |
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| 103 | if (shift) |
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| 104 | map = sc_secondary_map; |
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| 105 | if (map[key] != SPECIAL) |
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| 106 | keybuffer_push(keybuffer, map[key]); |
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| 107 | break; |
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| 1339 | cejka | 108 | } |
| 109 | } |
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| 110 | |||
| 1649 | cejka | 111 | /** |
| 112 | * @} |
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| 113 | */ |