Norimasa Okamoto / LPC4088-USBHost

Simple USBHost library for LPC4088. Backward compatibility of official-USBHost.

Dependencies:   FATFileSystem mbed-rtos

EA LPC4088 QSB専用の簡易USBホストライブラリです。
official-USBHostの下位互換で対応プログラムを僅かな修正で動かすことが出来ます。
examples:

Import programLPC4088-USBHostMSD_HelloWorld

Simple USBHost MSD(USB flash drive) for EA LPC4088 QSB test program

Last commit 25 Apr 2014 by Norimasa Okamoto

Import programLPC4088-BTstack_example

BTstack for EA LPC4088 QSB example program

Last commit 25 Apr 2014 by Norimasa Okamoto

Import programLPC4088-USBHostC270_example

Simple USBHost WebCam for EA LPC4088 QSB/LPC1768 test program

Last commit 25 Apr 2014 by Norimasa Okamoto

USBHostHID/USBHostKeyboard.cpp@0:148fca6fd246, 2014-04-25 (annotated)

Committer:
va009039
Date:
Fri Apr 25 05:18:55 2014 +0000
Revision:
0:148fca6fd246
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:148fca6fd246 1 /* mbed USBHost Library
va009039 0:148fca6fd246 2 * Copyright (c) 2006-2013 ARM Limited
va009039 0:148fca6fd246 3 *
va009039 0:148fca6fd246 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 0:148fca6fd246 5 * you may not use this file except in compliance with the License.
va009039 0:148fca6fd246 6 * You may obtain a copy of the License at
va009039 0:148fca6fd246 7 *
va009039 0:148fca6fd246 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 0:148fca6fd246 9 *
va009039 0:148fca6fd246 10 * Unless required by applicable law or agreed to in writing, software
va009039 0:148fca6fd246 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 0:148fca6fd246 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 0:148fca6fd246 13 * See the License for the specific language governing permissions and
va009039 0:148fca6fd246 14 * limitations under the License.
va009039 0:148fca6fd246 15 */
va009039 0:148fca6fd246 16
va009039 0:148fca6fd246 17 #include "USBHostKeyboard.h"
va009039 0:148fca6fd246 18
va009039 0:148fca6fd246 19 #if USBHOST_KEYBOARD
va009039 0:148fca6fd246 20
va009039 0:148fca6fd246 21 static uint8_t keymap[4][0x39] = {
va009039 0:148fca6fd246 22 { 0, 0, 0, 0, 'a', 'b' /*0x05*/,
va009039 0:148fca6fd246 23 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
va009039 0:148fca6fd246 24 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
va009039 0:148fca6fd246 25 'm', 'n', 'o', 'p', 'q'/*0x14*/,
va009039 0:148fca6fd246 26 'r', 's', 't', 'u', 'v'/*0x19*/,
va009039 0:148fca6fd246 27 'w', 'x', 'y', 'z', '1'/*0x1E*/,
va009039 0:148fca6fd246 28 '2', '3', '4', '5', '6'/*0x23*/,
va009039 0:148fca6fd246 29 '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
va009039 0:148fca6fd246 30 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
va009039 0:148fca6fd246 31 '=', '[', ']', '\\', '#', /*0x32*/
va009039 0:148fca6fd246 32 ';', '\'', 0, ',', '.', /*0x37*/
va009039 0:148fca6fd246 33 '/'},
va009039 0:148fca6fd246 34
va009039 0:148fca6fd246 35 /* CTRL MODIFIER */
va009039 0:148fca6fd246 36 { 0, 0, 0, 0, 0, 0 /*0x05*/,
va009039 0:148fca6fd246 37 0, 0, 0, 0, 0 /*0x0a*/,
va009039 0:148fca6fd246 38 0, 0, 0, 0, 0/*0x0f*/,
va009039 0:148fca6fd246 39 0, 0, 0, 0, 0/*0x14*/,
va009039 0:148fca6fd246 40 0, 0, 0, 0, 0/*0x19*/,
va009039 0:148fca6fd246 41 0, 0, 0, 0, 0/*0x1E*/,
va009039 0:148fca6fd246 42 0, 0, 0, 0, 0/*0x23*/,
va009039 0:148fca6fd246 43 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
va009039 0:148fca6fd246 44 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:148fca6fd246 45 0, 0, 0, 0, 0, /*0x32*/
va009039 0:148fca6fd246 46 0, 0, 0, 0, 0, /*0x37*/
va009039 0:148fca6fd246 47 0},
va009039 0:148fca6fd246 48
va009039 0:148fca6fd246 49 /* SHIFT MODIFIER */
va009039 0:148fca6fd246 50 { 0, 0, 0, 0, 'A', 'B' /*0x05*/,
va009039 0:148fca6fd246 51 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
va009039 0:148fca6fd246 52 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
va009039 0:148fca6fd246 53 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
va009039 0:148fca6fd246 54 'R', 'S', 'T', 'U', 'V'/*0x19*/,
va009039 0:148fca6fd246 55 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
va009039 0:148fca6fd246 56 '@', '#', '$', '%', '^'/*0x23*/,
va009039 0:148fca6fd246 57 '&', '*', '(', ')', 0, /*0x28*/
va009039 0:148fca6fd246 58 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:148fca6fd246 59 '+', '{', '}', '|', '~', /*0x32*/
va009039 0:148fca6fd246 60 ':', '"', 0, '<', '>', /*0x37*/
va009039 0:148fca6fd246 61 '?'},
va009039 0:148fca6fd246 62
va009039 0:148fca6fd246 63 /* ALT MODIFIER */
va009039 0:148fca6fd246 64 { 0, 0, 0, 0, 0, 0 /*0x05*/,
va009039 0:148fca6fd246 65 0, 0, 0, 0, 0 /*0x0a*/,
va009039 0:148fca6fd246 66 0, 0, 0, 0, 0/*0x0f*/,
va009039 0:148fca6fd246 67 0, 0, 0, 0, 0/*0x14*/,
va009039 0:148fca6fd246 68 0, 0, 0, 0, 0/*0x19*/,
va009039 0:148fca6fd246 69 0, 0, 0, 0, 0/*0x1E*/,
va009039 0:148fca6fd246 70 0, 0, 0, 0, 0/*0x23*/,
va009039 0:148fca6fd246 71 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
va009039 0:148fca6fd246 72 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:148fca6fd246 73 0, 0, 0, 0, 0, /*0x32*/
va009039 0:148fca6fd246 74 0, 0, 0, 0, 0, /*0x37*/
va009039 0:148fca6fd246 75 0}
va009039 0:148fca6fd246 76
va009039 0:148fca6fd246 77 };
va009039 0:148fca6fd246 78
va009039 0:148fca6fd246 79
va009039 0:148fca6fd246 80 USBHostKeyboard::USBHostKeyboard() {
va009039 0:148fca6fd246 81 host = USBHost::getHostInst();
va009039 0:148fca6fd246 82 init();
va009039 0:148fca6fd246 83 }
va009039 0:148fca6fd246 84
va009039 0:148fca6fd246 85
va009039 0:148fca6fd246 86 void USBHostKeyboard::init() {
va009039 0:148fca6fd246 87 dev = NULL;
va009039 0:148fca6fd246 88 int_in = NULL;
va009039 0:148fca6fd246 89 report_id = 0;
va009039 0:148fca6fd246 90 onKey = NULL;
va009039 0:148fca6fd246 91 onKeyCode = NULL;
va009039 0:148fca6fd246 92 dev_connected = false;
va009039 0:148fca6fd246 93 keyboard_intf = -1;
va009039 0:148fca6fd246 94 keyboard_device_found = false;
va009039 0:148fca6fd246 95 }
va009039 0:148fca6fd246 96
va009039 0:148fca6fd246 97 bool USBHostKeyboard::connected() {
va009039 0:148fca6fd246 98 return dev_connected;
va009039 0:148fca6fd246 99 }
va009039 0:148fca6fd246 100
va009039 0:148fca6fd246 101
va009039 0:148fca6fd246 102 bool USBHostKeyboard::connect() {
va009039 0:148fca6fd246 103
va009039 0:148fca6fd246 104 if (dev_connected) {
va009039 0:148fca6fd246 105 return true;
va009039 0:148fca6fd246 106 }
va009039 0:148fca6fd246 107
va009039 0:148fca6fd246 108 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 0:148fca6fd246 109 if ((dev = host->getDevice(i)) != NULL) {
va009039 0:148fca6fd246 110
va009039 0:148fca6fd246 111 if (host->enumerate(dev, this))
va009039 0:148fca6fd246 112 break;
va009039 0:148fca6fd246 113
va009039 0:148fca6fd246 114 if (keyboard_device_found) {
va009039 0:148fca6fd246 115 int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
va009039 0:148fca6fd246 116
va009039 0:148fca6fd246 117 if (!int_in)
va009039 0:148fca6fd246 118 break;
va009039 0:148fca6fd246 119
va009039 0:148fca6fd246 120 USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
va009039 0:148fca6fd246 121 dev->setName("Keyboard", keyboard_intf);
va009039 0:148fca6fd246 122 host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
va009039 0:148fca6fd246 123
va009039 0:148fca6fd246 124 int_in->attach(this, &USBHostKeyboard::rxHandler);
va009039 0:148fca6fd246 125 host->interruptRead(dev, int_in, report, int_in->getSize(), false);
va009039 0:148fca6fd246 126
va009039 0:148fca6fd246 127 dev_connected = true;
va009039 0:148fca6fd246 128 return true;
va009039 0:148fca6fd246 129 }
va009039 0:148fca6fd246 130 }
va009039 0:148fca6fd246 131 }
va009039 0:148fca6fd246 132 init();
va009039 0:148fca6fd246 133 return false;
va009039 0:148fca6fd246 134 }
va009039 0:148fca6fd246 135
va009039 0:148fca6fd246 136 void USBHostKeyboard::rxHandler() {
va009039 0:148fca6fd246 137 int len = int_in->getLengthTransferred();
va009039 0:148fca6fd246 138 int index = (len == 9) ? 1 : 0;
va009039 0:148fca6fd246 139 int len_listen = int_in->getSize();
va009039 0:148fca6fd246 140 uint8_t key = 0;
va009039 0:148fca6fd246 141 if (len == 8 || len == 9) {
va009039 0:148fca6fd246 142 uint8_t modifier = (report[index] == 4) ? 3 : report[index];
va009039 0:148fca6fd246 143 len_listen = len;
va009039 0:148fca6fd246 144 key = keymap[modifier][report[index + 2]];
va009039 0:148fca6fd246 145 if (key && onKey) {
va009039 0:148fca6fd246 146 (*onKey)(key);
va009039 0:148fca6fd246 147 }
va009039 0:148fca6fd246 148 if ((report[index + 2] || modifier) && onKeyCode) {
va009039 0:148fca6fd246 149 (*onKeyCode)(report[index + 2], modifier);
va009039 0:148fca6fd246 150 }
va009039 0:148fca6fd246 151 }
va009039 0:148fca6fd246 152 if (dev && int_in)
va009039 0:148fca6fd246 153 host->interruptRead(dev, int_in, report, len_listen, false);
va009039 0:148fca6fd246 154 }
va009039 0:148fca6fd246 155
va009039 0:148fca6fd246 156 /*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
va009039 0:148fca6fd246 157 {
va009039 0:148fca6fd246 158 // we don't check VID/PID for keyboard driver
va009039 0:148fca6fd246 159 }
va009039 0:148fca6fd246 160
va009039 0:148fca6fd246 161 /*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
va009039 0:148fca6fd246 162 {
va009039 0:148fca6fd246 163 if ((keyboard_intf == -1) &&
va009039 0:148fca6fd246 164 (intf_class == HID_CLASS) &&
va009039 0:148fca6fd246 165 (intf_subclass == 0x01) &&
va009039 0:148fca6fd246 166 (intf_protocol == 0x01)) {
va009039 0:148fca6fd246 167 keyboard_intf = intf_nb;
va009039 0:148fca6fd246 168 return true;
va009039 0:148fca6fd246 169 }
va009039 0:148fca6fd246 170 return false;
va009039 0:148fca6fd246 171 }
va009039 0:148fca6fd246 172
va009039 0:148fca6fd246 173 /*virtual*/ bool USBHostKeyboard::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
va009039 0:148fca6fd246 174 {
va009039 0:148fca6fd246 175 if (intf_nb == keyboard_intf) {
va009039 0:148fca6fd246 176 if (type == INTERRUPT_ENDPOINT && dir == IN) {
va009039 0:148fca6fd246 177 keyboard_device_found = true;
va009039 0:148fca6fd246 178 return true;
va009039 0:148fca6fd246 179 }
va009039 0:148fca6fd246 180 }
va009039 0:148fca6fd246 181 return false;
va009039 0:148fca6fd246 182 }
va009039 0:148fca6fd246 183
va009039 0:148fca6fd246 184 #endif