154 lines
3.9 KiB
C++
154 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
|