Norimasa Okamoto / Mbed 2 deprecated LPC4088-USBHostC270_example

Simple USBHost WebCam for EA LPC4088 QSB/LPC1768 test program

Dependencies:   LPC4088-USBHost mbed

EA LPC4088 QSB/LPC1768をUSBホストにしてWebカメラからJPEG画像を読み取るテストプログラムです。

The usage is the same as KL46Z-USBHostC270_example.
使い方はKL46Z-USBHostC270_exampleと同じです。
動作確認： Logitech C270,Logitech Q200R(Qcam Orbit AF)
/media/uploads/va009039/lpc4088-c270-480x360.jpg

LPC4088-USBHost/USBHostHID/USBHostKeyboard.cpp@0:c972ee42b455, 2014-04-24 (annotated)

Committer:
va009039
Date:
Thu Apr 24 05:38:45 2014 +0000
Revision:
0:c972ee42b455
first commit,sync rev.29.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:c972ee42b455 1 /* mbed USBHost Library
va009039 0:c972ee42b455 2 * Copyright (c) 2006-2013 ARM Limited
va009039 0:c972ee42b455 3 *
va009039 0:c972ee42b455 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 0:c972ee42b455 5 * you may not use this file except in compliance with the License.
va009039 0:c972ee42b455 6 * You may obtain a copy of the License at
va009039 0:c972ee42b455 7 *
va009039 0:c972ee42b455 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 0:c972ee42b455 9 *
va009039 0:c972ee42b455 10 * Unless required by applicable law or agreed to in writing, software
va009039 0:c972ee42b455 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 0:c972ee42b455 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 0:c972ee42b455 13 * See the License for the specific language governing permissions and
va009039 0:c972ee42b455 14 * limitations under the License.
va009039 0:c972ee42b455 15 */
va009039 0:c972ee42b455 16
va009039 0:c972ee42b455 17 #include "USBHostKeyboard.h"
va009039 0:c972ee42b455 18
va009039 0:c972ee42b455 19 #if USBHOST_KEYBOARD
va009039 0:c972ee42b455 20
va009039 0:c972ee42b455 21 static uint8_t keymap[4][0x39] = {
va009039 0:c972ee42b455 22 { 0, 0, 0, 0, 'a', 'b' /*0x05*/,
va009039 0:c972ee42b455 23 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
va009039 0:c972ee42b455 24 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
va009039 0:c972ee42b455 25 'm', 'n', 'o', 'p', 'q'/*0x14*/,
va009039 0:c972ee42b455 26 'r', 's', 't', 'u', 'v'/*0x19*/,
va009039 0:c972ee42b455 27 'w', 'x', 'y', 'z', '1'/*0x1E*/,
va009039 0:c972ee42b455 28 '2', '3', '4', '5', '6'/*0x23*/,
va009039 0:c972ee42b455 29 '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
va009039 0:c972ee42b455 30 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
va009039 0:c972ee42b455 31 '=', '[', ']', '\\', '#', /*0x32*/
va009039 0:c972ee42b455 32 ';', '\'', 0, ',', '.', /*0x37*/
va009039 0:c972ee42b455 33 '/'},
va009039 0:c972ee42b455 34
va009039 0:c972ee42b455 35 /* CTRL MODIFIER */
va009039 0:c972ee42b455 36 { 0, 0, 0, 0, 0, 0 /*0x05*/,
va009039 0:c972ee42b455 37 0, 0, 0, 0, 0 /*0x0a*/,
va009039 0:c972ee42b455 38 0, 0, 0, 0, 0/*0x0f*/,
va009039 0:c972ee42b455 39 0, 0, 0, 0, 0/*0x14*/,
va009039 0:c972ee42b455 40 0, 0, 0, 0, 0/*0x19*/,
va009039 0:c972ee42b455 41 0, 0, 0, 0, 0/*0x1E*/,
va009039 0:c972ee42b455 42 0, 0, 0, 0, 0/*0x23*/,
va009039 0:c972ee42b455 43 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
va009039 0:c972ee42b455 44 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:c972ee42b455 45 0, 0, 0, 0, 0, /*0x32*/
va009039 0:c972ee42b455 46 0, 0, 0, 0, 0, /*0x37*/
va009039 0:c972ee42b455 47 0},
va009039 0:c972ee42b455 48
va009039 0:c972ee42b455 49 /* SHIFT MODIFIER */
va009039 0:c972ee42b455 50 { 0, 0, 0, 0, 'A', 'B' /*0x05*/,
va009039 0:c972ee42b455 51 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
va009039 0:c972ee42b455 52 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
va009039 0:c972ee42b455 53 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
va009039 0:c972ee42b455 54 'R', 'S', 'T', 'U', 'V'/*0x19*/,
va009039 0:c972ee42b455 55 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
va009039 0:c972ee42b455 56 '@', '#', '$', '%', '^'/*0x23*/,
va009039 0:c972ee42b455 57 '&', '*', '(', ')', 0, /*0x28*/
va009039 0:c972ee42b455 58 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:c972ee42b455 59 '+', '{', '}', '|', '~', /*0x32*/
va009039 0:c972ee42b455 60 ':', '"', 0, '<', '>', /*0x37*/
va009039 0:c972ee42b455 61 '?'},
va009039 0:c972ee42b455 62
va009039 0:c972ee42b455 63 /* ALT MODIFIER */
va009039 0:c972ee42b455 64 { 0, 0, 0, 0, 0, 0 /*0x05*/,
va009039 0:c972ee42b455 65 0, 0, 0, 0, 0 /*0x0a*/,
va009039 0:c972ee42b455 66 0, 0, 0, 0, 0/*0x0f*/,
va009039 0:c972ee42b455 67 0, 0, 0, 0, 0/*0x14*/,
va009039 0:c972ee42b455 68 0, 0, 0, 0, 0/*0x19*/,
va009039 0:c972ee42b455 69 0, 0, 0, 0, 0/*0x1E*/,
va009039 0:c972ee42b455 70 0, 0, 0, 0, 0/*0x23*/,
va009039 0:c972ee42b455 71 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
va009039 0:c972ee42b455 72 0, 0, 0, 0, 0, /*0x2d*/
va009039 0:c972ee42b455 73 0, 0, 0, 0, 0, /*0x32*/
va009039 0:c972ee42b455 74 0, 0, 0, 0, 0, /*0x37*/
va009039 0:c972ee42b455 75 0}
va009039 0:c972ee42b455 76
va009039 0:c972ee42b455 77 };
va009039 0:c972ee42b455 78
va009039 0:c972ee42b455 79
va009039 0:c972ee42b455 80 USBHostKeyboard::USBHostKeyboard() {
va009039 0:c972ee42b455 81 host = USBHost::getHostInst();
va009039 0:c972ee42b455 82 init();
va009039 0:c972ee42b455 83 }
va009039 0:c972ee42b455 84
va009039 0:c972ee42b455 85
va009039 0:c972ee42b455 86 void USBHostKeyboard::init() {
va009039 0:c972ee42b455 87 dev = NULL;
va009039 0:c972ee42b455 88 int_in = NULL;
va009039 0:c972ee42b455 89 report_id = 0;
va009039 0:c972ee42b455 90 onKey = NULL;
va009039 0:c972ee42b455 91 onKeyCode = NULL;
va009039 0:c972ee42b455 92 dev_connected = false;
va009039 0:c972ee42b455 93 keyboard_intf = -1;
va009039 0:c972ee42b455 94 keyboard_device_found = false;
va009039 0:c972ee42b455 95 }
va009039 0:c972ee42b455 96
va009039 0:c972ee42b455 97 bool USBHostKeyboard::connected() {
va009039 0:c972ee42b455 98 return dev_connected;
va009039 0:c972ee42b455 99 }
va009039 0:c972ee42b455 100
va009039 0:c972ee42b455 101
va009039 0:c972ee42b455 102 bool USBHostKeyboard::connect() {
va009039 0:c972ee42b455 103
va009039 0:c972ee42b455 104 if (dev_connected) {
va009039 0:c972ee42b455 105 return true;
va009039 0:c972ee42b455 106 }
va009039 0:c972ee42b455 107
va009039 0:c972ee42b455 108 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 0:c972ee42b455 109 if ((dev = host->getDevice(i)) != NULL) {
va009039 0:c972ee42b455 110
va009039 0:c972ee42b455 111 if (host->enumerate(dev, this))
va009039 0:c972ee42b455 112 break;
va009039 0:c972ee42b455 113
va009039 0:c972ee42b455 114 if (keyboard_device_found) {
va009039 0:c972ee42b455 115 int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
va009039 0:c972ee42b455 116
va009039 0:c972ee42b455 117 if (!int_in)
va009039 0:c972ee42b455 118 break;
va009039 0:c972ee42b455 119
va009039 0:c972ee42b455 120 USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
va009039 0:c972ee42b455 121 dev->setName("Keyboard", keyboard_intf);
va009039 0:c972ee42b455 122 host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
va009039 0:c972ee42b455 123
va009039 0:c972ee42b455 124 int_in->attach(this, &USBHostKeyboard::rxHandler);
va009039 0:c972ee42b455 125 host->interruptRead(dev, int_in, report, int_in->getSize(), false);
va009039 0:c972ee42b455 126
va009039 0:c972ee42b455 127 dev_connected = true;
va009039 0:c972ee42b455 128 return true;
va009039 0:c972ee42b455 129 }
va009039 0:c972ee42b455 130 }
va009039 0:c972ee42b455 131 }
va009039 0:c972ee42b455 132 init();
va009039 0:c972ee42b455 133 return false;
va009039 0:c972ee42b455 134 }
va009039 0:c972ee42b455 135
va009039 0:c972ee42b455 136 void USBHostKeyboard::rxHandler() {
va009039 0:c972ee42b455 137 int len = int_in->getLengthTransferred();
va009039 0:c972ee42b455 138 int index = (len == 9) ? 1 : 0;
va009039 0:c972ee42b455 139 int len_listen = int_in->getSize();
va009039 0:c972ee42b455 140 uint8_t key = 0;
va009039 0:c972ee42b455 141 if (len == 8 || len == 9) {
va009039 0:c972ee42b455 142 uint8_t modifier = (report[index] == 4) ? 3 : report[index];
va009039 0:c972ee42b455 143 len_listen = len;
va009039 0:c972ee42b455 144 key = keymap[modifier][report[index + 2]];
va009039 0:c972ee42b455 145 if (key && onKey) {
va009039 0:c972ee42b455 146 (*onKey)(key);
va009039 0:c972ee42b455 147 }
va009039 0:c972ee42b455 148 if ((report[index + 2] || modifier) && onKeyCode) {
va009039 0:c972ee42b455 149 (*onKeyCode)(report[index + 2], modifier);
va009039 0:c972ee42b455 150 }
va009039 0:c972ee42b455 151 }
va009039 0:c972ee42b455 152 if (dev && int_in)
va009039 0:c972ee42b455 153 host->interruptRead(dev, int_in, report, len_listen, false);
va009039 0:c972ee42b455 154 }
va009039 0:c972ee42b455 155
va009039 0:c972ee42b455 156 /*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
va009039 0:c972ee42b455 157 {
va009039 0:c972ee42b455 158 // we don't check VID/PID for keyboard driver
va009039 0:c972ee42b455 159 }
va009039 0:c972ee42b455 160
va009039 0:c972ee42b455 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:c972ee42b455 162 {
va009039 0:c972ee42b455 163 if ((keyboard_intf == -1) &&
va009039 0:c972ee42b455 164 (intf_class == HID_CLASS) &&
va009039 0:c972ee42b455 165 (intf_subclass == 0x01) &&
va009039 0:c972ee42b455 166 (intf_protocol == 0x01)) {
va009039 0:c972ee42b455 167 keyboard_intf = intf_nb;
va009039 0:c972ee42b455 168 return true;
va009039 0:c972ee42b455 169 }
va009039 0:c972ee42b455 170 return false;
va009039 0:c972ee42b455 171 }
va009039 0:c972ee42b455 172
va009039 0:c972ee42b455 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:c972ee42b455 174 {
va009039 0:c972ee42b455 175 if (intf_nb == keyboard_intf) {
va009039 0:c972ee42b455 176 if (type == INTERRUPT_ENDPOINT && dir == IN) {
va009039 0:c972ee42b455 177 keyboard_device_found = true;
va009039 0:c972ee42b455 178 return true;
va009039 0:c972ee42b455 179 }
va009039 0:c972ee42b455 180 }
va009039 0:c972ee42b455 181 return false;
va009039 0:c972ee42b455 182 }
va009039 0:c972ee42b455 183
va009039 0:c972ee42b455 184 #endif