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
154 lines
3.9 KiB
C++
154 lines
3.9 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 "USBHostMouse.h"
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#if USBHOST_MOUSE
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USBHostMouse::USBHostMouse() {
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host = USBHost::getHostInst();
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init();
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}
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void USBHostMouse::init() {
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dev = NULL;
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int_in = NULL;
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onUpdate = NULL;
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onButtonUpdate = NULL;
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onXUpdate = NULL;
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onYUpdate = NULL;
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onZUpdate = NULL;
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report_id = 0;
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dev_connected = false;
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mouse_device_found = false;
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mouse_intf = -1;
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buttons = 0;
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x = 0;
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y = 0;
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z = 0;
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}
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bool USBHostMouse::connected() {
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return dev_connected;
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}
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bool USBHostMouse::connect() {
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int len_listen;
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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 (mouse_device_found) {
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int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
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if (!int_in)
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break;
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USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
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dev->setName("Mouse", mouse_intf);
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host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
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int_in->attach(this, &USBHostMouse::rxHandler);
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len_listen = int_in->getSize();
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if (len_listen > sizeof(report)) {
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len_listen = sizeof(report);
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}
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host->interruptRead(dev, int_in, report, len_listen, 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 USBHostMouse::rxHandler() {
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int len_listen = int_in->getSize();
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if (onUpdate) {
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(*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
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}
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if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
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(*onButtonUpdate)(report[0] & 0x07);
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}
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if (onXUpdate && (x != report[1])) {
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(*onXUpdate)(report[1]);
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}
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if (onYUpdate && (y != report[2])) {
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(*onYUpdate)(report[2]);
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}
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if (onZUpdate && (z != report[3])) {
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(*onZUpdate)(report[3]);
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}
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// update mouse state
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buttons = report[0] & 0x07;
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x = report[1];
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y = report[2];
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z = report[3];
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if (len_listen > sizeof(report)) {
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len_listen = sizeof(report);
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}
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if (dev)
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host->interruptRead(dev, int_in, report, len_listen, false);
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}
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/*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
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{
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// we don't check VID/PID for mouse driver
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}
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/*virtual*/ bool USBHostMouse::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 ((mouse_intf == -1) &&
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(intf_class == HID_CLASS) &&
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(intf_subclass == 0x01) &&
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(intf_protocol == 0x02)) {
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mouse_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 USBHostMouse::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 == mouse_intf) {
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if (type == INTERRUPT_ENDPOINT && dir == IN) {
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mouse_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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