Yoshiro Iwasaki Iwasaki / USBHost

USBHost library

Dependencies:   FATFileSystem mbed-rtos

Fork of USBHost by mbed official

USBHostHID/USBHostMouse.cpp@4:b320d68e98e7, 2013-03-12 (annotated)

Committer:
samux
Date:
Tue Mar 12 17:23:37 2013 +0000
Revision:
4:b320d68e98e7
Parent:
0:a554658735bf
Child:
5:e48791a1ef18
bug fixes - support composite device

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:a554658735bf 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
mbed_official 0:a554658735bf 2 *
mbed_official 0:a554658735bf 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 0:a554658735bf 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 0:a554658735bf 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 0:a554658735bf 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 0:a554658735bf 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 0:a554658735bf 8 *
mbed_official 0:a554658735bf 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 0:a554658735bf 10 * substantial portions of the Software.
mbed_official 0:a554658735bf 11 *
mbed_official 0:a554658735bf 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 0:a554658735bf 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 0:a554658735bf 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 0:a554658735bf 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:a554658735bf 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 0:a554658735bf 17 */
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #include "USBHostMouse.h"
mbed_official 0:a554658735bf 20
mbed_official 0:a554658735bf 21 #if USBHOST_MOUSE
mbed_official 0:a554658735bf 22
mbed_official 0:a554658735bf 23 USBHostMouse::USBHostMouse() {
mbed_official 0:a554658735bf 24 host = USBHost::getHostInst();
mbed_official 0:a554658735bf 25 init();
mbed_official 0:a554658735bf 26 }
mbed_official 0:a554658735bf 27
mbed_official 0:a554658735bf 28 void USBHostMouse::init() {
mbed_official 0:a554658735bf 29 dev = NULL;
mbed_official 0:a554658735bf 30 int_in = NULL;
mbed_official 0:a554658735bf 31 onUpdate = NULL;
mbed_official 0:a554658735bf 32 report_id = 0;
mbed_official 0:a554658735bf 33 dev_connected = false;
mbed_official 0:a554658735bf 34 mouse_device_found = false;
mbed_official 0:a554658735bf 35 mouse_intf = -1;
mbed_official 0:a554658735bf 36 }
mbed_official 0:a554658735bf 37
mbed_official 0:a554658735bf 38 bool USBHostMouse::connected() {
mbed_official 0:a554658735bf 39 return dev_connected;
mbed_official 0:a554658735bf 40 }
mbed_official 0:a554658735bf 41
mbed_official 0:a554658735bf 42 bool USBHostMouse::connect() {
mbed_official 0:a554658735bf 43
mbed_official 0:a554658735bf 44 U8 i;
mbed_official 0:a554658735bf 45
mbed_official 0:a554658735bf 46 if (dev_connected) {
mbed_official 0:a554658735bf 47 return true;
mbed_official 0:a554658735bf 48 }
mbed_official 0:a554658735bf 49
mbed_official 0:a554658735bf 50 for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 51 if ((dev = host->getDevice(i)) != NULL) {
mbed_official 0:a554658735bf 52
mbed_official 0:a554658735bf 53 if(host->enumerate(dev, this))
mbed_official 0:a554658735bf 54 break;
mbed_official 0:a554658735bf 55
mbed_official 0:a554658735bf 56 if (mouse_device_found) {
mbed_official 0:a554658735bf 57
mbed_official 0:a554658735bf 58 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
mbed_official 0:a554658735bf 59 if (!int_in)
mbed_official 0:a554658735bf 60 break;
mbed_official 0:a554658735bf 61
samux 4:b320d68e98e7 62 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
samux 4:b320d68e98e7 63 dev->setName("Mouse", mouse_intf);
mbed_official 0:a554658735bf 64 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
mbed_official 0:a554658735bf 65
mbed_official 0:a554658735bf 66 int_in->attach(this, &USBHostMouse::rxHandler);
mbed_official 0:a554658735bf 67 host->interruptRead(dev, int_in, report, int_in->getSize(), false);
mbed_official 0:a554658735bf 68
mbed_official 0:a554658735bf 69 dev_connected = true;
mbed_official 0:a554658735bf 70 return true;
mbed_official 0:a554658735bf 71 }
mbed_official 0:a554658735bf 72 }
mbed_official 0:a554658735bf 73 }
mbed_official 0:a554658735bf 74 init();
mbed_official 0:a554658735bf 75 return false;
mbed_official 0:a554658735bf 76 }
mbed_official 0:a554658735bf 77
mbed_official 0:a554658735bf 78 void USBHostMouse::rxHandler() {
mbed_official 0:a554658735bf 79 int len_listen = int_in->getSize();
mbed_official 0:a554658735bf 80 int len = int_in->getLengthTransferred();
mbed_official 0:a554658735bf 81 if (onUpdate) {
mbed_official 0:a554658735bf 82 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
mbed_official 0:a554658735bf 83 }
mbed_official 0:a554658735bf 84 if (dev != NULL)
mbed_official 0:a554658735bf 85 host->interruptRead(dev, int_in, report, len_listen, false);
mbed_official 0:a554658735bf 86 }
mbed_official 0:a554658735bf 87
mbed_official 0:a554658735bf 88 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
mbed_official 0:a554658735bf 89 {
mbed_official 0:a554658735bf 90 // we don't check VID/PID for mouse driver
mbed_official 0:a554658735bf 91 }
mbed_official 0:a554658735bf 92
mbed_official 0:a554658735bf 93 /*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
mbed_official 0:a554658735bf 94 {
mbed_official 0:a554658735bf 95 if ((mouse_intf == -1) &&
mbed_official 0:a554658735bf 96 (intf_class == HID_CLASS) &&
mbed_official 0:a554658735bf 97 (intf_subclass == 0x01) &&
mbed_official 0:a554658735bf 98 (intf_protocol == 0x02)) {
mbed_official 0:a554658735bf 99 mouse_intf = intf_nb;
mbed_official 0:a554658735bf 100 return true;
mbed_official 0:a554658735bf 101 }
mbed_official 0:a554658735bf 102 return false;
mbed_official 0:a554658735bf 103 }
mbed_official 0:a554658735bf 104
mbed_official 0:a554658735bf 105 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
mbed_official 0:a554658735bf 106 {
mbed_official 0:a554658735bf 107 if (intf_nb == mouse_intf) {
mbed_official 0:a554658735bf 108 if (type == INTERRUPT_ENDPOINT && dir == IN) {
mbed_official 0:a554658735bf 109 mouse_device_found = true;
mbed_official 0:a554658735bf 110 return true;
mbed_official 0:a554658735bf 111 }
mbed_official 0:a554658735bf 112 }
mbed_official 0:a554658735bf 113 return false;
mbed_official 0:a554658735bf 114 }
mbed_official 0:a554658735bf 115
mbed_official 0:a554658735bf 116 #endif