Shivanand Gowda / USBHOST

USB BARCODE READER

Fork of USBHOST by ST

USBHostHID/USBHostMouse.cpp@1:ab240722d7ef, 2017-02-15 (annotated)

Committer:
frq08711@LMECWL0871.LME.ST.COM
Date:
Wed Feb 15 10:49:44 2017 +0100
Revision:
1:ab240722d7ef
Child:
5:fc157e6bd5a5
update to mbed 5.3.5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 1 /* mbed USBHost Library
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 2 * Copyright (c) 2006-2013 ARM Limited
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 3 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 4 * Licensed under the Apache License, Version 2.0 (the "License");
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 5 * you may not use this file except in compliance with the License.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 6 * You may obtain a copy of the License at
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 7 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 8 * http://www.apache.org/licenses/LICENSE-2.0
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 9 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 10 * Unless required by applicable law or agreed to in writing, software
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 11 * distributed under the License is distributed on an "AS IS" BASIS,
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 13 * See the License for the specific language governing permissions and
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 14 * limitations under the License.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 15 */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 16
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 17 #include "USBHostMouse.h"
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 18
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 19 #if USBHOST_MOUSE
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 20
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 21 USBHostMouse::USBHostMouse() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 22 host = USBHost::getHostInst();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 23 init();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 24 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 25
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 26 void USBHostMouse::init() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 27 dev = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 28 int_in = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 29 onUpdate = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 30 onButtonUpdate = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 31 onXUpdate = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 32 onYUpdate = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 33 onZUpdate = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 34 report_id = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 35 dev_connected = false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 36 mouse_device_found = false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 37 mouse_intf = -1;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 38
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 39 buttons = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 40 x = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 41 y = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 42 z = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 43 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 44
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 45 bool USBHostMouse::connected() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 46 return dev_connected;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 47 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 48
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 49 bool USBHostMouse::connect() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 50 int len_listen;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 51
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 52 if (dev_connected) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 53 return true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 54 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 55
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 56 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 57 if ((dev = host->getDevice(i)) != NULL) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 58
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 59 if(host->enumerate(dev, this))
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 60 break;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 61
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 62 if (mouse_device_found) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 63
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 64 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 65 if (!int_in)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 66 break;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 67
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 68 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 69 dev->setName("Mouse", mouse_intf);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 70 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 71
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 72 int_in->attach(this, &USBHostMouse::rxHandler);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 73 len_listen = int_in->getSize();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 74 if (len_listen > sizeof(report)) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 75 len_listen = sizeof(report);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 76 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 77 host->interruptRead(dev, int_in, report, len_listen, false);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 78
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 79 dev_connected = true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 80 return true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 81 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 82 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 83 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 84 init();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 85 return false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 86 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 87
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 88 void USBHostMouse::rxHandler() {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 89 int len_listen = int_in->getSize();
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 90
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 91 if (onUpdate) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 92 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 93 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 94
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 95 if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 96 (*onButtonUpdate)(report[0] & 0x07);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 97 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 98
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 99 if (onXUpdate && (x != report[1])) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 100 (*onXUpdate)(report[1]);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 101 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 102
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 103 if (onYUpdate && (y != report[2])) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 104 (*onYUpdate)(report[2]);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 105 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 106
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 107 if (onZUpdate && (z != report[3])) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 108 (*onZUpdate)(report[3]);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 109 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 110
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 111 // update mouse state
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 112 buttons = report[0] & 0x07;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 113 x = report[1];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 114 y = report[2];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 115 z = report[3];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 116
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 117 if (len_listen > sizeof(report)) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 118 len_listen = sizeof(report);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 119 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 120
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 121 if (dev)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 122 host->interruptRead(dev, int_in, report, len_listen, false);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 123 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 124
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 125 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 126 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 127 // we don't check VID/PID for mouse driver
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 128 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 129
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 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
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 131 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 132 if ((mouse_intf == -1) &&
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 133 (intf_class == HID_CLASS) &&
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 134 (intf_subclass == 0x01) &&
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 135 (intf_protocol == 0x02)) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 136 mouse_intf = intf_nb;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 137 return true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 138 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 139 return false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 140 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 141
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 142 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 143 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 144 if (intf_nb == mouse_intf) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 145 if (type == INTERRUPT_ENDPOINT && dir == IN) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 146 mouse_device_found = true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 147 return true;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 148 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 149 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 150 return false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 151 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 152
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 153 #endif