1fe4406f37
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
184 lines
5.2 KiB
C++
184 lines
5.2 KiB
C++
/* mbed USBHost Library
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* Copyright (c) 2006-2013 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "USBHostKeyboard.h"
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#if USBHOST_KEYBOARD
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static uint8_t keymap[4][0x39] = {
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{ 0, 0, 0, 0, 'a', 'b' /*0x05*/,
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'c', 'd', 'e', 'f', 'g' /*0x0a*/,
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'h', 'i', 'j', 'k', 'l'/*0x0f*/,
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'm', 'n', 'o', 'p', 'q'/*0x14*/,
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'r', 's', 't', 'u', 'v'/*0x19*/,
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'w', 'x', 'y', 'z', '1'/*0x1E*/,
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'2', '3', '4', '5', '6'/*0x23*/,
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'7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
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0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
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'=', '[', ']', '\\', '#', /*0x32*/
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';', '\'', 0, ',', '.', /*0x37*/
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'/'},
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/* CTRL MODIFIER */
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{ 0, 0, 0, 0, 0, 0 /*0x05*/,
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0, 0, 0, 0, 0 /*0x0a*/,
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0, 0, 0, 0, 0/*0x0f*/,
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0, 0, 0, 0, 0/*0x14*/,
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0, 0, 0, 0, 0/*0x19*/,
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0, 0, 0, 0, 0/*0x1E*/,
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0, 0, 0, 0, 0/*0x23*/,
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0, 0, 0, 0, 0 /*enter*/, /*0x28*/
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0, 0, 0, 0, 0, /*0x2d*/
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0, 0, 0, 0, 0, /*0x32*/
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0, 0, 0, 0, 0, /*0x37*/
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0},
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/* SHIFT MODIFIER */
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{ 0, 0, 0, 0, 'A', 'B' /*0x05*/,
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'C', 'D', 'E', 'F', 'G' /*0x0a*/,
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'H', 'I', 'J', 'K', 'L'/*0x0f*/,
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'M', 'N', 'O', 'P', 'Q'/*0x14*/,
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'R', 'S', 'T', 'U', 'V'/*0x19*/,
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'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
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'@', '#', '$', '%', '^'/*0x23*/,
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'&', '*', '(', ')', 0, /*0x28*/
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0, 0, 0, 0, 0, /*0x2d*/
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'+', '{', '}', '|', '~', /*0x32*/
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':', '"', 0, '<', '>', /*0x37*/
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'?'},
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/* ALT MODIFIER */
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{ 0, 0, 0, 0, 0, 0 /*0x05*/,
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0, 0, 0, 0, 0 /*0x0a*/,
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0, 0, 0, 0, 0/*0x0f*/,
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0, 0, 0, 0, 0/*0x14*/,
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0, 0, 0, 0, 0/*0x19*/,
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0, 0, 0, 0, 0/*0x1E*/,
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0, 0, 0, 0, 0/*0x23*/,
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0, 0, 0, 0, 0 /*enter*/, /*0x28*/
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0, 0, 0, 0, 0, /*0x2d*/
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0, 0, 0, 0, 0, /*0x32*/
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0, 0, 0, 0, 0, /*0x37*/
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0}
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};
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USBHostKeyboard::USBHostKeyboard() {
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host = USBHost::getHostInst();
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init();
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}
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void USBHostKeyboard::init() {
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dev = NULL;
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int_in = NULL;
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report_id = 0;
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onKey = NULL;
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onKeyCode = NULL;
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dev_connected = false;
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keyboard_intf = -1;
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keyboard_device_found = false;
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}
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bool USBHostKeyboard::connected() {
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return dev_connected;
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}
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bool USBHostKeyboard::connect() {
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if (dev_connected) {
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return true;
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}
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for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
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if ((dev = host->getDevice(i)) != NULL) {
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if (host->enumerate(dev, this))
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break;
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if (keyboard_device_found) {
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int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
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if (!int_in)
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break;
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USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, keyboard_intf);
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dev->setName("Keyboard", keyboard_intf);
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host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
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int_in->attach(this, &USBHostKeyboard::rxHandler);
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host->interruptRead(dev, int_in, report, int_in->getSize(), false);
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dev_connected = true;
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return true;
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}
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}
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}
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init();
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return false;
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}
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void USBHostKeyboard::rxHandler() {
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int len = int_in->getLengthTransferred();
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int index = (len == 9) ? 1 : 0;
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int len_listen = int_in->getSize();
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uint8_t key = 0;
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if (len == 8 || len == 9) {
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uint8_t modifier = (report[index] == 4) ? 3 : report[index];
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len_listen = len;
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key = keymap[modifier][report[index + 2]];
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if (key && onKey) {
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(*onKey)(key);
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}
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if ((report[index + 2] || modifier) && onKeyCode) {
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(*onKeyCode)(report[index + 2], modifier);
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}
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}
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if (dev && int_in)
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host->interruptRead(dev, int_in, report, len_listen, false);
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}
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/*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
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{
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// we don't check VID/PID for keyboard driver
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}
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/*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
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{
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if ((keyboard_intf == -1) &&
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(intf_class == HID_CLASS) &&
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(intf_subclass == 0x01) &&
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(intf_protocol == 0x01)) {
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keyboard_intf = intf_nb;
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return true;
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}
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return false;
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}
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/*virtual*/ bool USBHostKeyboard::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
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{
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if (intf_nb == keyboard_intf) {
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if (type == INTERRUPT_ENDPOINT && dir == IN) {
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keyboard_device_found = true;
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return true;
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}
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}
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return false;
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}
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#endif
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