joey shelton / LED_Demo2

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Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/libraries/USBHost/USBHostHID/USBHostMouse.cpp@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed USBHost Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16
nexpaq 1:55a6170b404f 17 #include "USBHostMouse.h"
nexpaq 1:55a6170b404f 18
nexpaq 1:55a6170b404f 19 #if USBHOST_MOUSE
nexpaq 1:55a6170b404f 20
nexpaq 1:55a6170b404f 21 USBHostMouse::USBHostMouse() {
nexpaq 1:55a6170b404f 22 host = USBHost::getHostInst();
nexpaq 1:55a6170b404f 23 init();
nexpaq 1:55a6170b404f 24 }
nexpaq 1:55a6170b404f 25
nexpaq 1:55a6170b404f 26 void USBHostMouse::init() {
nexpaq 1:55a6170b404f 27 dev = NULL;
nexpaq 1:55a6170b404f 28 int_in = NULL;
nexpaq 1:55a6170b404f 29 onUpdate = NULL;
nexpaq 1:55a6170b404f 30 onButtonUpdate = NULL;
nexpaq 1:55a6170b404f 31 onXUpdate = NULL;
nexpaq 1:55a6170b404f 32 onYUpdate = NULL;
nexpaq 1:55a6170b404f 33 onZUpdate = NULL;
nexpaq 1:55a6170b404f 34 report_id = 0;
nexpaq 1:55a6170b404f 35 dev_connected = false;
nexpaq 1:55a6170b404f 36 mouse_device_found = false;
nexpaq 1:55a6170b404f 37 mouse_intf = -1;
nexpaq 1:55a6170b404f 38
nexpaq 1:55a6170b404f 39 buttons = 0;
nexpaq 1:55a6170b404f 40 x = 0;
nexpaq 1:55a6170b404f 41 y = 0;
nexpaq 1:55a6170b404f 42 z = 0;
nexpaq 1:55a6170b404f 43 }
nexpaq 1:55a6170b404f 44
nexpaq 1:55a6170b404f 45 bool USBHostMouse::connected() {
nexpaq 1:55a6170b404f 46 return dev_connected;
nexpaq 1:55a6170b404f 47 }
nexpaq 1:55a6170b404f 48
nexpaq 1:55a6170b404f 49 bool USBHostMouse::connect() {
nexpaq 1:55a6170b404f 50 int len_listen;
nexpaq 1:55a6170b404f 51
nexpaq 1:55a6170b404f 52 if (dev_connected) {
nexpaq 1:55a6170b404f 53 return true;
nexpaq 1:55a6170b404f 54 }
nexpaq 1:55a6170b404f 55
nexpaq 1:55a6170b404f 56 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
nexpaq 1:55a6170b404f 57 if ((dev = host->getDevice(i)) != NULL) {
nexpaq 1:55a6170b404f 58
nexpaq 1:55a6170b404f 59 if(host->enumerate(dev, this))
nexpaq 1:55a6170b404f 60 break;
nexpaq 1:55a6170b404f 61
nexpaq 1:55a6170b404f 62 if (mouse_device_found) {
nexpaq 1:55a6170b404f 63
nexpaq 1:55a6170b404f 64 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
nexpaq 1:55a6170b404f 65 if (!int_in)
nexpaq 1:55a6170b404f 66 break;
nexpaq 1:55a6170b404f 67
nexpaq 1:55a6170b404f 68 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
nexpaq 1:55a6170b404f 69 dev->setName("Mouse", mouse_intf);
nexpaq 1:55a6170b404f 70 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
nexpaq 1:55a6170b404f 71
nexpaq 1:55a6170b404f 72 int_in->attach(this, &USBHostMouse::rxHandler);
nexpaq 1:55a6170b404f 73 len_listen = int_in->getSize();
nexpaq 1:55a6170b404f 74 if (len_listen > sizeof(report)) {
nexpaq 1:55a6170b404f 75 len_listen = sizeof(report);
nexpaq 1:55a6170b404f 76 }
nexpaq 1:55a6170b404f 77 host->interruptRead(dev, int_in, report, len_listen, false);
nexpaq 1:55a6170b404f 78
nexpaq 1:55a6170b404f 79 dev_connected = true;
nexpaq 1:55a6170b404f 80 return true;
nexpaq 1:55a6170b404f 81 }
nexpaq 1:55a6170b404f 82 }
nexpaq 1:55a6170b404f 83 }
nexpaq 1:55a6170b404f 84 init();
nexpaq 1:55a6170b404f 85 return false;
nexpaq 1:55a6170b404f 86 }
nexpaq 1:55a6170b404f 87
nexpaq 1:55a6170b404f 88 void USBHostMouse::rxHandler() {
nexpaq 1:55a6170b404f 89 int len_listen = int_in->getSize();
nexpaq 1:55a6170b404f 90
nexpaq 1:55a6170b404f 91 if (onUpdate) {
nexpaq 1:55a6170b404f 92 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
nexpaq 1:55a6170b404f 93 }
nexpaq 1:55a6170b404f 94
nexpaq 1:55a6170b404f 95 if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
nexpaq 1:55a6170b404f 96 (*onButtonUpdate)(report[0] & 0x07);
nexpaq 1:55a6170b404f 97 }
nexpaq 1:55a6170b404f 98
nexpaq 1:55a6170b404f 99 if (onXUpdate && (x != report[1])) {
nexpaq 1:55a6170b404f 100 (*onXUpdate)(report[1]);
nexpaq 1:55a6170b404f 101 }
nexpaq 1:55a6170b404f 102
nexpaq 1:55a6170b404f 103 if (onYUpdate && (y != report[2])) {
nexpaq 1:55a6170b404f 104 (*onYUpdate)(report[2]);
nexpaq 1:55a6170b404f 105 }
nexpaq 1:55a6170b404f 106
nexpaq 1:55a6170b404f 107 if (onZUpdate && (z != report[3])) {
nexpaq 1:55a6170b404f 108 (*onZUpdate)(report[3]);
nexpaq 1:55a6170b404f 109 }
nexpaq 1:55a6170b404f 110
nexpaq 1:55a6170b404f 111 // update mouse state
nexpaq 1:55a6170b404f 112 buttons = report[0] & 0x07;
nexpaq 1:55a6170b404f 113 x = report[1];
nexpaq 1:55a6170b404f 114 y = report[2];
nexpaq 1:55a6170b404f 115 z = report[3];
nexpaq 1:55a6170b404f 116
nexpaq 1:55a6170b404f 117 if (len_listen > sizeof(report)) {
nexpaq 1:55a6170b404f 118 len_listen = sizeof(report);
nexpaq 1:55a6170b404f 119 }
nexpaq 1:55a6170b404f 120
nexpaq 1:55a6170b404f 121 if (dev)
nexpaq 1:55a6170b404f 122 host->interruptRead(dev, int_in, report, len_listen, false);
nexpaq 1:55a6170b404f 123 }
nexpaq 1:55a6170b404f 124
nexpaq 1:55a6170b404f 125 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
nexpaq 1:55a6170b404f 126 {
nexpaq 1:55a6170b404f 127 // we don't check VID/PID for mouse driver
nexpaq 1:55a6170b404f 128 }
nexpaq 1:55a6170b404f 129
nexpaq 1:55a6170b404f 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
nexpaq 1:55a6170b404f 131 {
nexpaq 1:55a6170b404f 132 if ((mouse_intf == -1) &&
nexpaq 1:55a6170b404f 133 (intf_class == HID_CLASS) &&
nexpaq 1:55a6170b404f 134 (intf_subclass == 0x01) &&
nexpaq 1:55a6170b404f 135 (intf_protocol == 0x02)) {
nexpaq 1:55a6170b404f 136 mouse_intf = intf_nb;
nexpaq 1:55a6170b404f 137 return true;
nexpaq 1:55a6170b404f 138 }
nexpaq 1:55a6170b404f 139 return false;
nexpaq 1:55a6170b404f 140 }
nexpaq 1:55a6170b404f 141
nexpaq 1:55a6170b404f 142 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
nexpaq 1:55a6170b404f 143 {
nexpaq 1:55a6170b404f 144 if (intf_nb == mouse_intf) {
nexpaq 1:55a6170b404f 145 if (type == INTERRUPT_ENDPOINT && dir == IN) {
nexpaq 1:55a6170b404f 146 mouse_device_found = true;
nexpaq 1:55a6170b404f 147 return true;
nexpaq 1:55a6170b404f 148 }
nexpaq 1:55a6170b404f 149 }
nexpaq 1:55a6170b404f 150 return false;
nexpaq 1:55a6170b404f 151 }
nexpaq 1:55a6170b404f 152
nexpaq 1:55a6170b404f 153 #endif