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Dependencies:   mbed WDT MODSERIAL BME280

USBHost/USBHostHID/USBHostMouse.cpp@61:52a6d0ffd8e5, 2019-07-05 (annotated)

Committer:
gert_lauritsen
Date:
Fri Jul 05 12:55:53 2019 +0000
Branch:
MbedBMAGThrRev
Revision:
61:52a6d0ffd8e5
dato rettel og ID i file lagt ind i version 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 61:52a6d0ffd8e5 1 /* mbed USBHost Library
gert_lauritsen 61:52a6d0ffd8e5 2 * Copyright (c) 2006-2013 ARM Limited
gert_lauritsen 61:52a6d0ffd8e5 3 *
gert_lauritsen 61:52a6d0ffd8e5 4 * Licensed under the Apache License, Version 2.0 (the "License");
gert_lauritsen 61:52a6d0ffd8e5 5 * you may not use this file except in compliance with the License.
gert_lauritsen 61:52a6d0ffd8e5 6 * You may obtain a copy of the License at
gert_lauritsen 61:52a6d0ffd8e5 7 *
gert_lauritsen 61:52a6d0ffd8e5 8 * http://www.apache.org/licenses/LICENSE-2.0
gert_lauritsen 61:52a6d0ffd8e5 9 *
gert_lauritsen 61:52a6d0ffd8e5 10 * Unless required by applicable law or agreed to in writing, software
gert_lauritsen 61:52a6d0ffd8e5 11 * distributed under the License is distributed on an "AS IS" BASIS,
gert_lauritsen 61:52a6d0ffd8e5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gert_lauritsen 61:52a6d0ffd8e5 13 * See the License for the specific language governing permissions and
gert_lauritsen 61:52a6d0ffd8e5 14 * limitations under the License.
gert_lauritsen 61:52a6d0ffd8e5 15 */
gert_lauritsen 61:52a6d0ffd8e5 16
gert_lauritsen 61:52a6d0ffd8e5 17 #include "USBHostMouse.h"
gert_lauritsen 61:52a6d0ffd8e5 18
gert_lauritsen 61:52a6d0ffd8e5 19 #if USBHOST_MOUSE
gert_lauritsen 61:52a6d0ffd8e5 20
gert_lauritsen 61:52a6d0ffd8e5 21 USBHostMouse::USBHostMouse() {
gert_lauritsen 61:52a6d0ffd8e5 22 host = USBHost::getHostInst();
gert_lauritsen 61:52a6d0ffd8e5 23 init();
gert_lauritsen 61:52a6d0ffd8e5 24 }
gert_lauritsen 61:52a6d0ffd8e5 25
gert_lauritsen 61:52a6d0ffd8e5 26 void USBHostMouse::init() {
gert_lauritsen 61:52a6d0ffd8e5 27 dev = NULL;
gert_lauritsen 61:52a6d0ffd8e5 28 int_in = NULL;
gert_lauritsen 61:52a6d0ffd8e5 29 onUpdate = NULL;
gert_lauritsen 61:52a6d0ffd8e5 30 onButtonUpdate = NULL;
gert_lauritsen 61:52a6d0ffd8e5 31 onXUpdate = NULL;
gert_lauritsen 61:52a6d0ffd8e5 32 onYUpdate = NULL;
gert_lauritsen 61:52a6d0ffd8e5 33 onZUpdate = NULL;
gert_lauritsen 61:52a6d0ffd8e5 34 report_id = 0;
gert_lauritsen 61:52a6d0ffd8e5 35 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 36 mouse_device_found = false;
gert_lauritsen 61:52a6d0ffd8e5 37 mouse_intf = -1;
gert_lauritsen 61:52a6d0ffd8e5 38
gert_lauritsen 61:52a6d0ffd8e5 39 buttons = 0;
gert_lauritsen 61:52a6d0ffd8e5 40 x = 0;
gert_lauritsen 61:52a6d0ffd8e5 41 y = 0;
gert_lauritsen 61:52a6d0ffd8e5 42 z = 0;
gert_lauritsen 61:52a6d0ffd8e5 43 }
gert_lauritsen 61:52a6d0ffd8e5 44
gert_lauritsen 61:52a6d0ffd8e5 45 bool USBHostMouse::connected() {
gert_lauritsen 61:52a6d0ffd8e5 46 return dev_connected;
gert_lauritsen 61:52a6d0ffd8e5 47 }
gert_lauritsen 61:52a6d0ffd8e5 48
gert_lauritsen 61:52a6d0ffd8e5 49 bool USBHostMouse::connect() {
gert_lauritsen 61:52a6d0ffd8e5 50 int len_listen;
gert_lauritsen 61:52a6d0ffd8e5 51
gert_lauritsen 61:52a6d0ffd8e5 52 if (dev_connected) {
gert_lauritsen 61:52a6d0ffd8e5 53 return true;
gert_lauritsen 61:52a6d0ffd8e5 54 }
gert_lauritsen 61:52a6d0ffd8e5 55
gert_lauritsen 61:52a6d0ffd8e5 56 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
gert_lauritsen 61:52a6d0ffd8e5 57 if ((dev = host->getDevice(i)) != NULL) {
gert_lauritsen 61:52a6d0ffd8e5 58
gert_lauritsen 61:52a6d0ffd8e5 59 if(host->enumerate(dev, this))
gert_lauritsen 61:52a6d0ffd8e5 60 break;
gert_lauritsen 61:52a6d0ffd8e5 61
gert_lauritsen 61:52a6d0ffd8e5 62 if (mouse_device_found) {
gert_lauritsen 61:52a6d0ffd8e5 63
gert_lauritsen 61:52a6d0ffd8e5 64 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
gert_lauritsen 61:52a6d0ffd8e5 65 if (!int_in)
gert_lauritsen 61:52a6d0ffd8e5 66 break;
gert_lauritsen 61:52a6d0ffd8e5 67
gert_lauritsen 61:52a6d0ffd8e5 68 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
gert_lauritsen 61:52a6d0ffd8e5 69 dev->setName("Mouse", mouse_intf);
gert_lauritsen 61:52a6d0ffd8e5 70 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
gert_lauritsen 61:52a6d0ffd8e5 71
gert_lauritsen 61:52a6d0ffd8e5 72 int_in->attach(this, &USBHostMouse::rxHandler);
gert_lauritsen 61:52a6d0ffd8e5 73 len_listen = int_in->getSize();
gert_lauritsen 61:52a6d0ffd8e5 74 if (len_listen > sizeof(report)) {
gert_lauritsen 61:52a6d0ffd8e5 75 len_listen = sizeof(report);
gert_lauritsen 61:52a6d0ffd8e5 76 }
gert_lauritsen 61:52a6d0ffd8e5 77 host->interruptRead(dev, int_in, report, len_listen, false);
gert_lauritsen 61:52a6d0ffd8e5 78
gert_lauritsen 61:52a6d0ffd8e5 79 dev_connected = true;
gert_lauritsen 61:52a6d0ffd8e5 80 return true;
gert_lauritsen 61:52a6d0ffd8e5 81 }
gert_lauritsen 61:52a6d0ffd8e5 82 }
gert_lauritsen 61:52a6d0ffd8e5 83 }
gert_lauritsen 61:52a6d0ffd8e5 84 init();
gert_lauritsen 61:52a6d0ffd8e5 85 return false;
gert_lauritsen 61:52a6d0ffd8e5 86 }
gert_lauritsen 61:52a6d0ffd8e5 87
gert_lauritsen 61:52a6d0ffd8e5 88 void USBHostMouse::rxHandler() {
gert_lauritsen 61:52a6d0ffd8e5 89 int len_listen = int_in->getSize();
gert_lauritsen 61:52a6d0ffd8e5 90
gert_lauritsen 61:52a6d0ffd8e5 91 if (onUpdate) {
gert_lauritsen 61:52a6d0ffd8e5 92 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
gert_lauritsen 61:52a6d0ffd8e5 93 }
gert_lauritsen 61:52a6d0ffd8e5 94
gert_lauritsen 61:52a6d0ffd8e5 95 if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
gert_lauritsen 61:52a6d0ffd8e5 96 (*onButtonUpdate)(report[0] & 0x07);
gert_lauritsen 61:52a6d0ffd8e5 97 }
gert_lauritsen 61:52a6d0ffd8e5 98
gert_lauritsen 61:52a6d0ffd8e5 99 if (onXUpdate && (x != report[1])) {
gert_lauritsen 61:52a6d0ffd8e5 100 (*onXUpdate)(report[1]);
gert_lauritsen 61:52a6d0ffd8e5 101 }
gert_lauritsen 61:52a6d0ffd8e5 102
gert_lauritsen 61:52a6d0ffd8e5 103 if (onYUpdate && (y != report[2])) {
gert_lauritsen 61:52a6d0ffd8e5 104 (*onYUpdate)(report[2]);
gert_lauritsen 61:52a6d0ffd8e5 105 }
gert_lauritsen 61:52a6d0ffd8e5 106
gert_lauritsen 61:52a6d0ffd8e5 107 if (onZUpdate && (z != report[3])) {
gert_lauritsen 61:52a6d0ffd8e5 108 (*onZUpdate)(report[3]);
gert_lauritsen 61:52a6d0ffd8e5 109 }
gert_lauritsen 61:52a6d0ffd8e5 110
gert_lauritsen 61:52a6d0ffd8e5 111 // update mouse state
gert_lauritsen 61:52a6d0ffd8e5 112 buttons = report[0] & 0x07;
gert_lauritsen 61:52a6d0ffd8e5 113 x = report[1];
gert_lauritsen 61:52a6d0ffd8e5 114 y = report[2];
gert_lauritsen 61:52a6d0ffd8e5 115 z = report[3];
gert_lauritsen 61:52a6d0ffd8e5 116
gert_lauritsen 61:52a6d0ffd8e5 117 if (len_listen > sizeof(report)) {
gert_lauritsen 61:52a6d0ffd8e5 118 len_listen = sizeof(report);
gert_lauritsen 61:52a6d0ffd8e5 119 }
gert_lauritsen 61:52a6d0ffd8e5 120
gert_lauritsen 61:52a6d0ffd8e5 121 if (dev)
gert_lauritsen 61:52a6d0ffd8e5 122 host->interruptRead(dev, int_in, report, len_listen, false);
gert_lauritsen 61:52a6d0ffd8e5 123 }
gert_lauritsen 61:52a6d0ffd8e5 124
gert_lauritsen 61:52a6d0ffd8e5 125 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
gert_lauritsen 61:52a6d0ffd8e5 126 {
gert_lauritsen 61:52a6d0ffd8e5 127 // we don't check VID/PID for mouse driver
gert_lauritsen 61:52a6d0ffd8e5 128 }
gert_lauritsen 61:52a6d0ffd8e5 129
gert_lauritsen 61:52a6d0ffd8e5 130 /*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
gert_lauritsen 61:52a6d0ffd8e5 131 {
gert_lauritsen 61:52a6d0ffd8e5 132 if ((mouse_intf == -1) &&
gert_lauritsen 61:52a6d0ffd8e5 133 (intf_class == HID_CLASS) &&
gert_lauritsen 61:52a6d0ffd8e5 134 (intf_subclass == 0x01) &&
gert_lauritsen 61:52a6d0ffd8e5 135 (intf_protocol == 0x02)) {
gert_lauritsen 61:52a6d0ffd8e5 136 mouse_intf = intf_nb;
gert_lauritsen 61:52a6d0ffd8e5 137 return true;
gert_lauritsen 61:52a6d0ffd8e5 138 }
gert_lauritsen 61:52a6d0ffd8e5 139 return false;
gert_lauritsen 61:52a6d0ffd8e5 140 }
gert_lauritsen 61:52a6d0ffd8e5 141
gert_lauritsen 61:52a6d0ffd8e5 142 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
gert_lauritsen 61:52a6d0ffd8e5 143 {
gert_lauritsen 61:52a6d0ffd8e5 144 if (intf_nb == mouse_intf) {
gert_lauritsen 61:52a6d0ffd8e5 145 if (type == INTERRUPT_ENDPOINT && dir == IN) {
gert_lauritsen 61:52a6d0ffd8e5 146 mouse_device_found = true;
gert_lauritsen 61:52a6d0ffd8e5 147 return true;
gert_lauritsen 61:52a6d0ffd8e5 148 }
gert_lauritsen 61:52a6d0ffd8e5 149 }
gert_lauritsen 61:52a6d0ffd8e5 150 return false;
gert_lauritsen 61:52a6d0ffd8e5 151 }
gert_lauritsen 61:52a6d0ffd8e5 152
gert_lauritsen 61:52a6d0ffd8e5 153 #endif