|
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153 |
- /* 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
|