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mbed-os/features/unsupported/USBHost/USBHostHID/USBHostKeyboard.cpp@1:b36bbc1c6d27, 2020-04-11 (annotated)

Committer:
demayer
Date:
Sat Apr 11 08:15:48 2020 +0000
Revision:
1:b36bbc1c6d27
Parent:
0:6bf0743ece18 
IMU-library in .h und .cpp file aufgeteilt

Who changed what in which revision?

UserRevisionLine numberNew contents of line
demayer 0:6bf0743ece18 1 /* mbed USBHost Library
demayer 0:6bf0743ece18 2 * Copyright (c) 2006-2013 ARM Limited
demayer 0:6bf0743ece18 3 *
demayer 0:6bf0743ece18 4 * Licensed under the Apache License, Version 2.0 (the "License");
demayer 0:6bf0743ece18 5 * you may not use this file except in compliance with the License.
demayer 0:6bf0743ece18 6 * You may obtain a copy of the License at
demayer 0:6bf0743ece18 7 *
demayer 0:6bf0743ece18 8 * http://www.apache.org/licenses/LICENSE-2.0
demayer 0:6bf0743ece18 9 *
demayer 0:6bf0743ece18 10 * Unless required by applicable law or agreed to in writing, software
demayer 0:6bf0743ece18 11 * distributed under the License is distributed on an "AS IS" BASIS,
demayer 0:6bf0743ece18 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
demayer 0:6bf0743ece18 13 * See the License for the specific language governing permissions and
demayer 0:6bf0743ece18 14 * limitations under the License.
demayer 0:6bf0743ece18 15 */
demayer 0:6bf0743ece18 16
demayer 0:6bf0743ece18 17 #include "USBHostKeyboard.h"
demayer 0:6bf0743ece18 18
demayer 0:6bf0743ece18 19 #if USBHOST_KEYBOARD
demayer 0:6bf0743ece18 20
demayer 0:6bf0743ece18 21 static uint8_t keymap[4][0x39] = {
demayer 0:6bf0743ece18 22 {
demayer 0:6bf0743ece18 23 0, 0, 0, 0, 'a', 'b' /*0x05*/,
demayer 0:6bf0743ece18 24 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
demayer 0:6bf0743ece18 25 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
demayer 0:6bf0743ece18 26 'm', 'n', 'o', 'p', 'q'/*0x14*/,
demayer 0:6bf0743ece18 27 'r', 's', 't', 'u', 'v'/*0x19*/,
demayer 0:6bf0743ece18 28 'w', 'x', 'y', 'z', '1'/*0x1E*/,
demayer 0:6bf0743ece18 29 '2', '3', '4', '5', '6'/*0x23*/,
demayer 0:6bf0743ece18 30 '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
demayer 0:6bf0743ece18 31 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
demayer 0:6bf0743ece18 32 '=', '[', ']', '\\', '#', /*0x32*/
demayer 0:6bf0743ece18 33 ';', '\'', 0, ',', '.', /*0x37*/
demayer 0:6bf0743ece18 34 '/'
demayer 0:6bf0743ece18 35 },
demayer 0:6bf0743ece18 36
demayer 0:6bf0743ece18 37 /* CTRL MODIFIER */
demayer 0:6bf0743ece18 38 {
demayer 0:6bf0743ece18 39 0, 0, 0, 0, 0, 0 /*0x05*/,
demayer 0:6bf0743ece18 40 0, 0, 0, 0, 0 /*0x0a*/,
demayer 0:6bf0743ece18 41 0, 0, 0, 0, 0/*0x0f*/,
demayer 0:6bf0743ece18 42 0, 0, 0, 0, 0/*0x14*/,
demayer 0:6bf0743ece18 43 0, 0, 0, 0, 0/*0x19*/,
demayer 0:6bf0743ece18 44 0, 0, 0, 0, 0/*0x1E*/,
demayer 0:6bf0743ece18 45 0, 0, 0, 0, 0/*0x23*/,
demayer 0:6bf0743ece18 46 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
demayer 0:6bf0743ece18 47 0, 0, 0, 0, 0, /*0x2d*/
demayer 0:6bf0743ece18 48 0, 0, 0, 0, 0, /*0x32*/
demayer 0:6bf0743ece18 49 0, 0, 0, 0, 0, /*0x37*/
demayer 0:6bf0743ece18 50 0
demayer 0:6bf0743ece18 51 },
demayer 0:6bf0743ece18 52
demayer 0:6bf0743ece18 53 /* SHIFT MODIFIER */
demayer 0:6bf0743ece18 54 {
demayer 0:6bf0743ece18 55 0, 0, 0, 0, 'A', 'B' /*0x05*/,
demayer 0:6bf0743ece18 56 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
demayer 0:6bf0743ece18 57 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
demayer 0:6bf0743ece18 58 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
demayer 0:6bf0743ece18 59 'R', 'S', 'T', 'U', 'V'/*0x19*/,
demayer 0:6bf0743ece18 60 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
demayer 0:6bf0743ece18 61 '@', '#', '$', '%', '^'/*0x23*/,
demayer 0:6bf0743ece18 62 '&', '*', '(', ')', 0, /*0x28*/
demayer 0:6bf0743ece18 63 0, 0, 0, 0, 0, /*0x2d*/
demayer 0:6bf0743ece18 64 '+', '{', '}', '|', '~', /*0x32*/
demayer 0:6bf0743ece18 65 ':', '"', 0, '<', '>', /*0x37*/
demayer 0:6bf0743ece18 66 '?'
demayer 0:6bf0743ece18 67 },
demayer 0:6bf0743ece18 68
demayer 0:6bf0743ece18 69 /* ALT MODIFIER */
demayer 0:6bf0743ece18 70 {
demayer 0:6bf0743ece18 71 0, 0, 0, 0, 0, 0 /*0x05*/,
demayer 0:6bf0743ece18 72 0, 0, 0, 0, 0 /*0x0a*/,
demayer 0:6bf0743ece18 73 0, 0, 0, 0, 0/*0x0f*/,
demayer 0:6bf0743ece18 74 0, 0, 0, 0, 0/*0x14*/,
demayer 0:6bf0743ece18 75 0, 0, 0, 0, 0/*0x19*/,
demayer 0:6bf0743ece18 76 0, 0, 0, 0, 0/*0x1E*/,
demayer 0:6bf0743ece18 77 0, 0, 0, 0, 0/*0x23*/,
demayer 0:6bf0743ece18 78 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
demayer 0:6bf0743ece18 79 0, 0, 0, 0, 0, /*0x2d*/
demayer 0:6bf0743ece18 80 0, 0, 0, 0, 0, /*0x32*/
demayer 0:6bf0743ece18 81 0, 0, 0, 0, 0, /*0x37*/
demayer 0:6bf0743ece18 82 0
demayer 0:6bf0743ece18 83 }
demayer 0:6bf0743ece18 84
demayer 0:6bf0743ece18 85 };
demayer 0:6bf0743ece18 86
demayer 0:6bf0743ece18 87
demayer 0:6bf0743ece18 88 USBHostKeyboard::USBHostKeyboard()
demayer 0:6bf0743ece18 89 {
demayer 0:6bf0743ece18 90 host = USBHost::getHostInst();
demayer 0:6bf0743ece18 91 init();
demayer 0:6bf0743ece18 92 }
demayer 0:6bf0743ece18 93
demayer 0:6bf0743ece18 94
demayer 0:6bf0743ece18 95 void USBHostKeyboard::init()
demayer 0:6bf0743ece18 96 {
demayer 0:6bf0743ece18 97 dev = NULL;
demayer 0:6bf0743ece18 98 int_in = NULL;
demayer 0:6bf0743ece18 99 report_id = 0;
demayer 0:6bf0743ece18 100 onKey = NULL;
demayer 0:6bf0743ece18 101 onKeyCode = NULL;
demayer 0:6bf0743ece18 102 dev_connected = false;
demayer 0:6bf0743ece18 103 keyboard_intf = -1;
demayer 0:6bf0743ece18 104 keyboard_device_found = false;
demayer 0:6bf0743ece18 105 }
demayer 0:6bf0743ece18 106
demayer 0:6bf0743ece18 107 bool USBHostKeyboard::connected()
demayer 0:6bf0743ece18 108 {
demayer 0:6bf0743ece18 109 return dev_connected;
demayer 0:6bf0743ece18 110 }
demayer 0:6bf0743ece18 111
demayer 0:6bf0743ece18 112
demayer 0:6bf0743ece18 113 bool USBHostKeyboard::connect()
demayer 0:6bf0743ece18 114 {
demayer 0:6bf0743ece18 115
demayer 0:6bf0743ece18 116 if (dev_connected) {
demayer 0:6bf0743ece18 117 return true;
demayer 0:6bf0743ece18 118 }
demayer 0:6bf0743ece18 119
demayer 0:6bf0743ece18 120 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
demayer 0:6bf0743ece18 121 if ((dev = host->getDevice(i)) != NULL) {
demayer 0:6bf0743ece18 122
demayer 0:6bf0743ece18 123 if (host->enumerate(dev, this)) {
demayer 0:6bf0743ece18 124 break;
demayer 0:6bf0743ece18 125 }
demayer 0:6bf0743ece18 126
demayer 0:6bf0743ece18 127 if (keyboard_device_found) {
demayer 0:6bf0743ece18 128 {
demayer 0:6bf0743ece18 129 /* As this is done in a specific thread
demayer 0:6bf0743ece18 130 * this lock is taken to avoid to process the device
demayer 0:6bf0743ece18 131 * disconnect in usb process during the device registering */
demayer 0:6bf0743ece18 132 USBHost::Lock Lock(host);
demayer 0:6bf0743ece18 133
demayer 0:6bf0743ece18 134 int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
demayer 0:6bf0743ece18 135
demayer 0:6bf0743ece18 136 if (!int_in) {
demayer 0:6bf0743ece18 137 break;
demayer 0:6bf0743ece18 138 }
demayer 0:6bf0743ece18 139
demayer 0:6bf0743ece18 140 USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
demayer 0:6bf0743ece18 141 dev->setName("Keyboard", keyboard_intf);
demayer 0:6bf0743ece18 142 host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
demayer 0:6bf0743ece18 143
demayer 0:6bf0743ece18 144 int_in->attach(this, &USBHostKeyboard::rxHandler);
demayer 0:6bf0743ece18 145 }
demayer 0:6bf0743ece18 146 host->interruptRead(dev, int_in, report, int_in->getSize(), false);
demayer 0:6bf0743ece18 147
demayer 0:6bf0743ece18 148 dev_connected = true;
demayer 0:6bf0743ece18 149 return true;
demayer 0:6bf0743ece18 150 }
demayer 0:6bf0743ece18 151 }
demayer 0:6bf0743ece18 152 }
demayer 0:6bf0743ece18 153 init();
demayer 0:6bf0743ece18 154 return false;
demayer 0:6bf0743ece18 155 }
demayer 0:6bf0743ece18 156
demayer 0:6bf0743ece18 157 void USBHostKeyboard::rxHandler()
demayer 0:6bf0743ece18 158 {
demayer 0:6bf0743ece18 159 int len = int_in->getLengthTransferred();
demayer 0:6bf0743ece18 160 int index = (len == 9) ? 1 : 0;
demayer 0:6bf0743ece18 161 int len_listen = int_in->getSize();
demayer 0:6bf0743ece18 162 uint8_t key = 0;
demayer 0:6bf0743ece18 163 if (len == 8 || len == 9) {
demayer 0:6bf0743ece18 164 uint8_t modifier = (report[index] == 4) ? 3 : report[index];
demayer 0:6bf0743ece18 165 len_listen = len;
demayer 0:6bf0743ece18 166 key = keymap[modifier][report[index + 2]];
demayer 0:6bf0743ece18 167 if (key && onKey) {
demayer 0:6bf0743ece18 168 (*onKey)(key);
demayer 0:6bf0743ece18 169 }
demayer 0:6bf0743ece18 170 if ((report[index + 2] || modifier) && onKeyCode) {
demayer 0:6bf0743ece18 171 (*onKeyCode)(report[index + 2], modifier);
demayer 0:6bf0743ece18 172 }
demayer 0:6bf0743ece18 173 }
demayer 0:6bf0743ece18 174 if (dev && int_in) {
demayer 0:6bf0743ece18 175 host->interruptRead(dev, int_in, report, len_listen, false);
demayer 0:6bf0743ece18 176 }
demayer 0:6bf0743ece18 177 }
demayer 0:6bf0743ece18 178
demayer 0:6bf0743ece18 179 /*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
demayer 0:6bf0743ece18 180 {
demayer 0:6bf0743ece18 181 // we don't check VID/PID for keyboard driver
demayer 0:6bf0743ece18 182 }
demayer 0:6bf0743ece18 183
demayer 0:6bf0743ece18 184 /*virtual*/ bool USBHostKeyboard::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
demayer 0:6bf0743ece18 185 {
demayer 0:6bf0743ece18 186 if ((keyboard_intf == -1) &&
demayer 0:6bf0743ece18 187 (intf_class == HID_CLASS) &&
demayer 0:6bf0743ece18 188 (intf_subclass == 0x01) &&
demayer 0:6bf0743ece18 189 (intf_protocol == 0x01)) {
demayer 0:6bf0743ece18 190 keyboard_intf = intf_nb;
demayer 0:6bf0743ece18 191 return true;
demayer 0:6bf0743ece18 192 }
demayer 0:6bf0743ece18 193 return false;
demayer 0:6bf0743ece18 194 }
demayer 0:6bf0743ece18 195
demayer 0:6bf0743ece18 196 /*virtual*/ bool USBHostKeyboard::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
demayer 0:6bf0743ece18 197 {
demayer 0:6bf0743ece18 198 if (intf_nb == keyboard_intf) {
demayer 0:6bf0743ece18 199 if (type == INTERRUPT_ENDPOINT && dir == IN) {
demayer 0:6bf0743ece18 200 keyboard_device_found = true;
demayer 0:6bf0743ece18 201 return true;
demayer 0:6bf0743ece18 202 }
demayer 0:6bf0743ece18 203 }
demayer 0:6bf0743ece18 204 return false;
demayer 0:6bf0743ece18 205 }
demayer 0:6bf0743ece18 206
demayer 0:6bf0743ece18 207 #endif