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qmk_firmware/tool/mbed/mbed-sdk/libraries/USBHost/USBHostHID/USBHostMouse.cpp
Jun Wako 1fe4406f37 Squashed 'tmk_core/' changes from 7967731..b9e0ea0
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
2015-04-24 16:26:14 +09:00

153 lines
3.9 KiB
C++

/* mbed USBHost Library
* Copyright (c) 2006-2013 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "USBHostMouse.h"
#if USBHOST_MOUSE
USBHostMouse::USBHostMouse() {
host = USBHost::getHostInst();
init();
}
void USBHostMouse::init() {
dev = NULL;
int_in = NULL;
onUpdate = NULL;
onButtonUpdate = NULL;
onXUpdate = NULL;
onYUpdate = NULL;
onZUpdate = NULL;
report_id = 0;
dev_connected = false;
mouse_device_found = false;
mouse_intf = -1;
buttons = 0;
x = 0;
y = 0;
z = 0;
}
bool USBHostMouse::connected() {
return dev_connected;
}
bool USBHostMouse::connect() {
int len_listen;
if (dev_connected) {
return true;
}
for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
if ((dev = host->getDevice(i)) != NULL) {
if(host->enumerate(dev, this))
break;
if (mouse_device_found) {
int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
if (!int_in)
break;
USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
dev->setName("Mouse", mouse_intf);
host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
int_in->attach(this, &USBHostMouse::rxHandler);
len_listen = int_in->getSize();
if (len_listen > sizeof(report)) {
len_listen = sizeof(report);
}
host->interruptRead(dev, int_in, report, len_listen, false);
dev_connected = true;
return true;
}
}
}
init();
return false;
}
void USBHostMouse::rxHandler() {
int len_listen = int_in->getSize();
if (onUpdate) {
(*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
}
if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
(*onButtonUpdate)(report[0] & 0x07);
}
if (onXUpdate && (x != report[1])) {
(*onXUpdate)(report[1]);
}
if (onYUpdate && (y != report[2])) {
(*onYUpdate)(report[2]);
}
if (onZUpdate && (z != report[3])) {
(*onZUpdate)(report[3]);
}
// update mouse state
buttons = report[0] & 0x07;
x = report[1];
y = report[2];
z = report[3];
if (len_listen > sizeof(report)) {
len_listen = sizeof(report);
}
if (dev)
host->interruptRead(dev, int_in, report, len_listen, false);
}
/*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
{
// we don't check VID/PID for mouse driver
}
/*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
{
if ((mouse_intf == -1) &&
(intf_class == HID_CLASS) &&
(intf_subclass == 0x01) &&
(intf_protocol == 0x02)) {
mouse_intf = intf_nb;
return true;
}
return false;
}
/*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
{
if (intf_nb == mouse_intf) {
if (type == INTERRUPT_ENDPOINT && dir == IN) {
mouse_device_found = true;
return true;
}
}
return false;
}
#endif