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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?
User | Revision | Line number | New 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 |