| 1 | /*
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| 2 | * Copyright (c) 2011 Vojtech Horky
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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 |
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| 29 | /** @addtogroup usbvirthid
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | *
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| 34 | */
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| 35 | #include "../virthid.h"
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| 36 | #include <errno.h>
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| 37 | #include <usb/debug.h>
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| 38 | #include <usb/hid/hid.h>
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| 39 | #include <usb/hid/usages/core.h>
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| 40 |
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| 41 | #include "../report.h"
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| 42 |
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| 43 | uint8_t report_descriptor[] = {
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| 44 | STD_USAGE_PAGE(USB_HIDUT_PAGE_GENERIC_DESKTOP),
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| 45 | USAGE1(USB_HIDUT_USAGE_GENERIC_DESKTOP_KEYBOARD),
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| 46 | START_COLLECTION(COLLECTION_APPLICATION),
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| 47 | STD_USAGE_PAGE(USB_HIDUT_PAGE_KEYBOARD),
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| 48 | USAGE_MINIMUM1(224),
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| 49 | USAGE_MAXIMUM1(231),
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| 50 | LOGICAL_MINIMUM1(0),
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| 51 | LOGICAL_MAXIMUM1(1),
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| 52 | REPORT_SIZE1(1),
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| 53 | REPORT_COUNT1(8),
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| 54 | /* Modifiers */
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| 55 | INPUT(IOF_DATA | IOF_VARIABLE | IOF_ABSOLUTE),
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| 56 | REPORT_COUNT1(1),
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| 57 | REPORT_SIZE1(8),
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| 58 | /* Reserved */
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| 59 | INPUT(IOF_CONSTANT),
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| 60 | REPORT_COUNT1(5),
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| 61 | REPORT_SIZE1(1),
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| 62 | STD_USAGE_PAGE(USB_HIDUT_PAGE_LED),
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| 63 | USAGE_MINIMUM1(1),
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| 64 | USAGE_MAXIMUM1(5),
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| 65 | /* LED states */
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| 66 | OUTPUT(IOF_DATA | IOF_VARIABLE | IOF_ABSOLUTE),
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| 67 | REPORT_COUNT1(1),
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| 68 | REPORT_SIZE1(3),
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| 69 | /* LED states padding */
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| 70 | OUTPUT(IOF_CONSTANT),
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| 71 | REPORT_COUNT1(6),
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| 72 | REPORT_SIZE1(8),
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| 73 | LOGICAL_MINIMUM1(0),
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| 74 | LOGICAL_MAXIMUM1(101),
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| 75 | STD_USAGE_PAGE(USB_HIDUT_PAGE_KEYBOARD),
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| 76 | USAGE_MINIMUM1(0),
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| 77 | USAGE_MAXIMUM1(101),
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| 78 | /* Key array */
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| 79 | INPUT(IOF_DATA | IOF_ARRAY),
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| 80 | END_COLLECTION()
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| 81 | };
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| 82 |
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| 83 | #define INPUT_SIZE 8
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| 84 |
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| 85 | static uint8_t in_data[] = {
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| 86 | 0, 0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 87 | 0, 0, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, // Caps Lock
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| 88 | 0, 0, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00, // Num Lock
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| 89 | 0, 0, 0x39, 0x00, 0x00, 0x00, 0x00, 0x00, // Caps Lock
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| 90 | 1 << 2, 0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 91 | 1 << 2, 0, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 92 | 1 << 2, 0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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| 93 | 0, 0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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| 94 | };
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| 95 | static vuhid_interface_life_t boot_life = {
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| 96 | .data_in = in_data,
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| 97 | .data_in_count = sizeof(in_data)/INPUT_SIZE,
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| 98 | .data_in_pos_change_delay = 500,
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| 99 | .msg_born = "Boot keyboard comes to life...",
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| 100 | .msg_die = "Boot keyboard died."
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| 101 | };
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| 102 |
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| 103 | static int on_data_out(vuhid_interface_t *iface,
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| 104 | const void *buffer, size_t buffer_size)
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| 105 | {
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| 106 | if (buffer_size == 0) {
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| 107 | return EEMPTY;
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| 108 | }
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| 109 | uint8_t leds = ((uint8_t *) buffer)[0];
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| 110 | #define _GET_LED(index, signature) \
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| 111 | (((leds) & (1 << index)) ? (signature) : '-')
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| 112 | usb_log_info("%s: LEDs = %c%c%c%c%c\n",
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| 113 | iface->name,
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| 114 | _GET_LED(0, '0'), _GET_LED(1, 'A'), _GET_LED(2, 's'),
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| 115 | _GET_LED(3, 'c'), _GET_LED(4, 'k'));
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| 116 | #undef _GET_LED
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| 117 | return EOK;
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| 118 | }
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| 119 |
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| 120 | vuhid_interface_t vuhid_interface_bootkbd = {
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| 121 | .id = "boot",
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| 122 | .name = "boot keyboard",
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| 123 | .usb_subclass = USB_HID_SUBCLASS_BOOT,
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| 124 | .usb_protocol = USB_HID_PROTOCOL_KEYBOARD,
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| 125 |
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| 126 | .report_descriptor = report_descriptor,
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| 127 | .report_descriptor_size = sizeof(report_descriptor),
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| 128 |
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| 129 | .in_data_size = INPUT_SIZE,
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| 130 | .on_data_in = interface_live_on_data_in,
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| 131 |
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| 132 | .out_data_size = 1,
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| 133 | .on_data_out = on_data_out,
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| 134 |
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| 135 | .live = interface_life_live,
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| 136 |
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| 137 | .interface_data = &boot_life,
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| 138 | .vuhid_data = NULL
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| 139 | };
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| 140 |
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| 141 | /**
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| 142 | * @}
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| 143 | */
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