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Fork of OmniWheels by Gustav Atmel

mbed-os/features/unsupported/USBHost/USBHostHID/USBHostMouse.cpp@2:798925c9e4a8, 2018-05-01 (annotated)

Committer:
gustavatmel
Date:
Tue May 01 15:55:34 2018 +0000
Revision:
2:798925c9e4a8
Parent:
1:9c5af431a1f1 
bluetooth

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gustavatmel 1:9c5af431a1f1 1 /* mbed USBHost Library
gustavatmel 1:9c5af431a1f1 2 * Copyright (c) 2006-2013 ARM Limited
gustavatmel 1:9c5af431a1f1 3 *
gustavatmel 1:9c5af431a1f1 4 * Licensed under the Apache License, Version 2.0 (the "License");
gustavatmel 1:9c5af431a1f1 5 * you may not use this file except in compliance with the License.
gustavatmel 1:9c5af431a1f1 6 * You may obtain a copy of the License at
gustavatmel 1:9c5af431a1f1 7 *
gustavatmel 1:9c5af431a1f1 8 * http://www.apache.org/licenses/LICENSE-2.0
gustavatmel 1:9c5af431a1f1 9 *
gustavatmel 1:9c5af431a1f1 10 * Unless required by applicable law or agreed to in writing, software
gustavatmel 1:9c5af431a1f1 11 * distributed under the License is distributed on an "AS IS" BASIS,
gustavatmel 1:9c5af431a1f1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gustavatmel 1:9c5af431a1f1 13 * See the License for the specific language governing permissions and
gustavatmel 1:9c5af431a1f1 14 * limitations under the License.
gustavatmel 1:9c5af431a1f1 15 */
gustavatmel 1:9c5af431a1f1 16
gustavatmel 1:9c5af431a1f1 17 #include "USBHostMouse.h"
gustavatmel 1:9c5af431a1f1 18
gustavatmel 1:9c5af431a1f1 19 #if USBHOST_MOUSE
gustavatmel 1:9c5af431a1f1 20
gustavatmel 1:9c5af431a1f1 21 USBHostMouse::USBHostMouse()
gustavatmel 1:9c5af431a1f1 22 {
gustavatmel 1:9c5af431a1f1 23 host = USBHost::getHostInst();
gustavatmel 1:9c5af431a1f1 24 init();
gustavatmel 1:9c5af431a1f1 25 }
gustavatmel 1:9c5af431a1f1 26
gustavatmel 1:9c5af431a1f1 27 void USBHostMouse::init()
gustavatmel 1:9c5af431a1f1 28 {
gustavatmel 1:9c5af431a1f1 29 dev = NULL;
gustavatmel 1:9c5af431a1f1 30 int_in = NULL;
gustavatmel 1:9c5af431a1f1 31 onUpdate = NULL;
gustavatmel 1:9c5af431a1f1 32 onButtonUpdate = NULL;
gustavatmel 1:9c5af431a1f1 33 onXUpdate = NULL;
gustavatmel 1:9c5af431a1f1 34 onYUpdate = NULL;
gustavatmel 1:9c5af431a1f1 35 onZUpdate = NULL;
gustavatmel 1:9c5af431a1f1 36 report_id = 0;
gustavatmel 1:9c5af431a1f1 37 dev_connected = false;
gustavatmel 1:9c5af431a1f1 38 mouse_device_found = false;
gustavatmel 1:9c5af431a1f1 39 mouse_intf = -1;
gustavatmel 1:9c5af431a1f1 40
gustavatmel 1:9c5af431a1f1 41 buttons = 0;
gustavatmel 1:9c5af431a1f1 42 x = 0;
gustavatmel 1:9c5af431a1f1 43 y = 0;
gustavatmel 1:9c5af431a1f1 44 z = 0;
gustavatmel 1:9c5af431a1f1 45 }
gustavatmel 1:9c5af431a1f1 46
gustavatmel 1:9c5af431a1f1 47 bool USBHostMouse::connected()
gustavatmel 1:9c5af431a1f1 48 {
gustavatmel 1:9c5af431a1f1 49 return dev_connected;
gustavatmel 1:9c5af431a1f1 50 }
gustavatmel 1:9c5af431a1f1 51
gustavatmel 1:9c5af431a1f1 52 bool USBHostMouse::connect()
gustavatmel 1:9c5af431a1f1 53 {
gustavatmel 1:9c5af431a1f1 54 int len_listen;
gustavatmel 1:9c5af431a1f1 55
gustavatmel 1:9c5af431a1f1 56 if (dev_connected) {
gustavatmel 1:9c5af431a1f1 57 return true;
gustavatmel 1:9c5af431a1f1 58 }
gustavatmel 1:9c5af431a1f1 59
gustavatmel 1:9c5af431a1f1 60 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
gustavatmel 1:9c5af431a1f1 61 if ((dev = host->getDevice(i)) != NULL) {
gustavatmel 1:9c5af431a1f1 62
gustavatmel 1:9c5af431a1f1 63 if(host->enumerate(dev, this)) {
gustavatmel 1:9c5af431a1f1 64 break;
gustavatmel 1:9c5af431a1f1 65 }
gustavatmel 1:9c5af431a1f1 66 if (mouse_device_found) {
gustavatmel 1:9c5af431a1f1 67 {
gustavatmel 1:9c5af431a1f1 68 /* As this is done in a specific thread
gustavatmel 1:9c5af431a1f1 69 * this lock is taken to avoid to process the device
gustavatmel 1:9c5af431a1f1 70 * disconnect in usb process during the device registering */
gustavatmel 1:9c5af431a1f1 71 USBHost::Lock Lock(host);
gustavatmel 1:9c5af431a1f1 72 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
gustavatmel 1:9c5af431a1f1 73 if (!int_in) {
gustavatmel 1:9c5af431a1f1 74 break;
gustavatmel 1:9c5af431a1f1 75 }
gustavatmel 1:9c5af431a1f1 76
gustavatmel 1:9c5af431a1f1 77 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
gustavatmel 1:9c5af431a1f1 78 dev->setName("Mouse", mouse_intf);
gustavatmel 1:9c5af431a1f1 79 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
gustavatmel 1:9c5af431a1f1 80
gustavatmel 1:9c5af431a1f1 81 int_in->attach(this, &USBHostMouse::rxHandler);
gustavatmel 1:9c5af431a1f1 82 len_listen = int_in->getSize();
gustavatmel 1:9c5af431a1f1 83 if (len_listen > sizeof(report)) {
gustavatmel 1:9c5af431a1f1 84 len_listen = sizeof(report);
gustavatmel 1:9c5af431a1f1 85 }
gustavatmel 1:9c5af431a1f1 86 }
gustavatmel 1:9c5af431a1f1 87 int ret=host->interruptRead(dev, int_in, report, len_listen, false);
gustavatmel 1:9c5af431a1f1 88 MBED_ASSERT((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING) || (ret == USB_TYPE_FREE));
gustavatmel 1:9c5af431a1f1 89 if ((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING)) {
gustavatmel 1:9c5af431a1f1 90 dev_connected = true;
gustavatmel 1:9c5af431a1f1 91 }
gustavatmel 1:9c5af431a1f1 92 if (ret == USB_TYPE_FREE) {
gustavatmel 1:9c5af431a1f1 93 dev_connected = false;
gustavatmel 1:9c5af431a1f1 94 }
gustavatmel 1:9c5af431a1f1 95 return true;
gustavatmel 1:9c5af431a1f1 96 }
gustavatmel 1:9c5af431a1f1 97 }
gustavatmel 1:9c5af431a1f1 98 }
gustavatmel 1:9c5af431a1f1 99 init();
gustavatmel 1:9c5af431a1f1 100 return false;
gustavatmel 1:9c5af431a1f1 101 }
gustavatmel 1:9c5af431a1f1 102
gustavatmel 1:9c5af431a1f1 103 void USBHostMouse::rxHandler()
gustavatmel 1:9c5af431a1f1 104 {
gustavatmel 1:9c5af431a1f1 105 int len_listen = int_in->getLengthTransferred();
gustavatmel 1:9c5af431a1f1 106 if (len_listen !=0) {
gustavatmel 1:9c5af431a1f1 107
gustavatmel 1:9c5af431a1f1 108 if (onUpdate) {
gustavatmel 1:9c5af431a1f1 109 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
gustavatmel 1:9c5af431a1f1 110 }
gustavatmel 1:9c5af431a1f1 111
gustavatmel 1:9c5af431a1f1 112 if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
gustavatmel 1:9c5af431a1f1 113 (*onButtonUpdate)(report[0] & 0x07);
gustavatmel 1:9c5af431a1f1 114 }
gustavatmel 1:9c5af431a1f1 115
gustavatmel 1:9c5af431a1f1 116 if (onXUpdate && (x != report[1])) {
gustavatmel 1:9c5af431a1f1 117 (*onXUpdate)(report[1]);
gustavatmel 1:9c5af431a1f1 118 }
gustavatmel 1:9c5af431a1f1 119
gustavatmel 1:9c5af431a1f1 120 if (onYUpdate && (y != report[2])) {
gustavatmel 1:9c5af431a1f1 121 (*onYUpdate)(report[2]);
gustavatmel 1:9c5af431a1f1 122 }
gustavatmel 1:9c5af431a1f1 123
gustavatmel 1:9c5af431a1f1 124 if (onZUpdate && (z != report[3])) {
gustavatmel 1:9c5af431a1f1 125 (*onZUpdate)(report[3]);
gustavatmel 1:9c5af431a1f1 126 }
gustavatmel 1:9c5af431a1f1 127
gustavatmel 1:9c5af431a1f1 128 // update mouse state
gustavatmel 1:9c5af431a1f1 129 buttons = report[0] & 0x07;
gustavatmel 1:9c5af431a1f1 130 x = report[1];
gustavatmel 1:9c5af431a1f1 131 y = report[2];
gustavatmel 1:9c5af431a1f1 132 z = report[3];
gustavatmel 1:9c5af431a1f1 133 }
gustavatmel 1:9c5af431a1f1 134 /* set again the maximum value */
gustavatmel 1:9c5af431a1f1 135 len_listen = int_in->getSize();
gustavatmel 1:9c5af431a1f1 136
gustavatmel 1:9c5af431a1f1 137 if (len_listen > sizeof(report)) {
gustavatmel 1:9c5af431a1f1 138 len_listen = sizeof(report);
gustavatmel 1:9c5af431a1f1 139 }
gustavatmel 1:9c5af431a1f1 140
gustavatmel 1:9c5af431a1f1 141 if (dev) {
gustavatmel 1:9c5af431a1f1 142 host->interruptRead(dev, int_in, report, len_listen, false);
gustavatmel 1:9c5af431a1f1 143 }
gustavatmel 1:9c5af431a1f1 144 }
gustavatmel 1:9c5af431a1f1 145
gustavatmel 1:9c5af431a1f1 146 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
gustavatmel 1:9c5af431a1f1 147 {
gustavatmel 1:9c5af431a1f1 148 // we don't check VID/PID for mouse driver
gustavatmel 1:9c5af431a1f1 149 }
gustavatmel 1:9c5af431a1f1 150
gustavatmel 1:9c5af431a1f1 151 /*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
gustavatmel 1:9c5af431a1f1 152 {
gustavatmel 1:9c5af431a1f1 153 if ((mouse_intf == -1) &&
gustavatmel 1:9c5af431a1f1 154 (intf_class == HID_CLASS) &&
gustavatmel 1:9c5af431a1f1 155 (intf_subclass == 0x01) &&
gustavatmel 1:9c5af431a1f1 156 (intf_protocol == 0x02)) {
gustavatmel 1:9c5af431a1f1 157 mouse_intf = intf_nb;
gustavatmel 1:9c5af431a1f1 158 return true;
gustavatmel 1:9c5af431a1f1 159 }
gustavatmel 1:9c5af431a1f1 160 return false;
gustavatmel 1:9c5af431a1f1 161 }
gustavatmel 1:9c5af431a1f1 162
gustavatmel 1:9c5af431a1f1 163 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
gustavatmel 1:9c5af431a1f1 164 {
gustavatmel 1:9c5af431a1f1 165 if (intf_nb == mouse_intf) {
gustavatmel 1:9c5af431a1f1 166 if (type == INTERRUPT_ENDPOINT && dir == IN) {
gustavatmel 1:9c5af431a1f1 167 mouse_device_found = true;
gustavatmel 1:9c5af431a1f1 168 return true;
gustavatmel 1:9c5af431a1f1 169 }
gustavatmel 1:9c5af431a1f1 170 }
gustavatmel 1:9c5af431a1f1 171 return false;
gustavatmel 1:9c5af431a1f1 172 }
gustavatmel 1:9c5af431a1f1 173
gustavatmel 1:9c5af431a1f1 174 #endif