Reading data from a USB Gamepad with USB-Host mode.
Fork of Nucleo_Ex04_USBPAD by
USBHost/USBHostGamepad.cpp@2:7c1379b29ce6, 2016-04-28 (annotated)
- Committer:
- jose_23991
- Date:
- Thu Apr 28 21:17:29 2016 +0000
- Revision:
- 2:7c1379b29ce6
- Parent:
- 1:94e011434208
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
beaglescout007 | 0:b5f79b4f741d | 1 | /* |
beaglescout007 | 0:b5f79b4f741d | 2 | * mbed USBHost Gamepad driver sample |
beaglescout007 | 0:b5f79b4f741d | 3 | * Copyright (c) 2014 Yuuichi Akagawa |
beaglescout007 | 0:b5f79b4f741d | 4 | * |
beaglescout007 | 0:b5f79b4f741d | 5 | * modified from mbed USBHostMouse |
beaglescout007 | 0:b5f79b4f741d | 6 | * |
beaglescout007 | 0:b5f79b4f741d | 7 | * mbed USBHost Library |
beaglescout007 | 0:b5f79b4f741d | 8 | * Copyright (c) 2006-2013 ARM Limited |
beaglescout007 | 0:b5f79b4f741d | 9 | * |
beaglescout007 | 0:b5f79b4f741d | 10 | * Licensed under the Apache License, Version 2.0 (the "License"); |
beaglescout007 | 0:b5f79b4f741d | 11 | * you may not use this file except in compliance with the License. |
beaglescout007 | 0:b5f79b4f741d | 12 | * You may obtain a copy of the License at |
beaglescout007 | 0:b5f79b4f741d | 13 | * |
beaglescout007 | 0:b5f79b4f741d | 14 | * http://www.apache.org/licenses/LICENSE-2.0 |
beaglescout007 | 0:b5f79b4f741d | 15 | * |
beaglescout007 | 0:b5f79b4f741d | 16 | * Unless required by applicable law or agreed to in writing, software |
beaglescout007 | 0:b5f79b4f741d | 17 | * distributed under the License is distributed on an "AS IS" BASIS, |
beaglescout007 | 0:b5f79b4f741d | 18 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
beaglescout007 | 0:b5f79b4f741d | 19 | * See the License for the specific language governing permissions and |
beaglescout007 | 0:b5f79b4f741d | 20 | * limitations under the License. |
beaglescout007 | 0:b5f79b4f741d | 21 | */ |
beaglescout007 | 0:b5f79b4f741d | 22 | |
beaglescout007 | 0:b5f79b4f741d | 23 | #include "USBHostGamepad.h" |
beaglescout007 | 0:b5f79b4f741d | 24 | //#if USBHOST_GAMEPAD |
beaglescout007 | 0:b5f79b4f741d | 25 | |
beaglescout007 | 0:b5f79b4f741d | 26 | USBHostGamepad::USBHostGamepad() { |
beaglescout007 | 0:b5f79b4f741d | 27 | host = USBHost::getHostInst(); |
beaglescout007 | 0:b5f79b4f741d | 28 | init(); |
beaglescout007 | 0:b5f79b4f741d | 29 | } |
beaglescout007 | 0:b5f79b4f741d | 30 | |
beaglescout007 | 0:b5f79b4f741d | 31 | void USBHostGamepad::init() { |
beaglescout007 | 0:b5f79b4f741d | 32 | dev = NULL; |
beaglescout007 | 0:b5f79b4f741d | 33 | int_in = NULL; |
beaglescout007 | 0:b5f79b4f741d | 34 | dev_connected = false; |
beaglescout007 | 0:b5f79b4f741d | 35 | gamepad_device_found = false; |
beaglescout007 | 0:b5f79b4f741d | 36 | gamepad_intf = -1; |
beaglescout007 | 0:b5f79b4f741d | 37 | } |
beaglescout007 | 0:b5f79b4f741d | 38 | |
beaglescout007 | 0:b5f79b4f741d | 39 | bool USBHostGamepad::connected() { |
beaglescout007 | 0:b5f79b4f741d | 40 | return dev_connected; |
beaglescout007 | 0:b5f79b4f741d | 41 | } |
beaglescout007 | 0:b5f79b4f741d | 42 | |
beaglescout007 | 0:b5f79b4f741d | 43 | bool USBHostGamepad::connect() { |
beaglescout007 | 0:b5f79b4f741d | 44 | if (dev_connected) { |
beaglescout007 | 0:b5f79b4f741d | 45 | return true; |
beaglescout007 | 0:b5f79b4f741d | 46 | } |
beaglescout007 | 0:b5f79b4f741d | 47 | |
beaglescout007 | 0:b5f79b4f741d | 48 | for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { |
beaglescout007 | 0:b5f79b4f741d | 49 | if ((dev = host->getDevice(i)) != NULL) { |
beaglescout007 | 0:b5f79b4f741d | 50 | |
beaglescout007 | 0:b5f79b4f741d | 51 | if(host->enumerate(dev, this)) |
beaglescout007 | 0:b5f79b4f741d | 52 | break; |
beaglescout007 | 0:b5f79b4f741d | 53 | |
beaglescout007 | 0:b5f79b4f741d | 54 | if (gamepad_device_found) { |
beaglescout007 | 0:b5f79b4f741d | 55 | |
beaglescout007 | 0:b5f79b4f741d | 56 | int_in = dev->getEndpoint(gamepad_intf, INTERRUPT_ENDPOINT, IN); |
beaglescout007 | 0:b5f79b4f741d | 57 | if (!int_in) |
beaglescout007 | 0:b5f79b4f741d | 58 | break; |
beaglescout007 | 0:b5f79b4f741d | 59 | |
beaglescout007 | 0:b5f79b4f741d | 60 | USB_INFO("New Gamepad/Joystick device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, gamepad_intf); |
jose_23991 | 1:94e011434208 | 61 | /*#if DEBUG > 3 |
beaglescout007 | 0:b5f79b4f741d | 62 | //Parse HID Report Descriptor |
beaglescout007 | 0:b5f79b4f741d | 63 | parseHidDescr(); |
jose_23991 | 1:94e011434208 | 64 | #endif*/ |
beaglescout007 | 0:b5f79b4f741d | 65 | dev->setName("Gamepad", gamepad_intf); |
beaglescout007 | 0:b5f79b4f741d | 66 | host->registerDriver(dev, gamepad_intf, this, &USBHostGamepad::init); |
beaglescout007 | 0:b5f79b4f741d | 67 | |
beaglescout007 | 0:b5f79b4f741d | 68 | int_in->attach(this, &USBHostGamepad::rxHandler); |
beaglescout007 | 0:b5f79b4f741d | 69 | rxSize = int_in->getSize(); |
beaglescout007 | 0:b5f79b4f741d | 70 | if (rxSize > sizeof(report)) |
beaglescout007 | 0:b5f79b4f741d | 71 | rxSize = sizeof(report); |
beaglescout007 | 0:b5f79b4f741d | 72 | host->interruptRead(dev, int_in, report, rxSize, false); |
beaglescout007 | 0:b5f79b4f741d | 73 | |
beaglescout007 | 0:b5f79b4f741d | 74 | dev_connected = true; |
beaglescout007 | 0:b5f79b4f741d | 75 | return true; |
beaglescout007 | 0:b5f79b4f741d | 76 | } |
beaglescout007 | 0:b5f79b4f741d | 77 | } |
beaglescout007 | 0:b5f79b4f741d | 78 | } |
beaglescout007 | 0:b5f79b4f741d | 79 | init(); |
beaglescout007 | 0:b5f79b4f741d | 80 | return false; |
beaglescout007 | 0:b5f79b4f741d | 81 | } |
beaglescout007 | 0:b5f79b4f741d | 82 | |
beaglescout007 | 0:b5f79b4f741d | 83 | void USBHostGamepad::rxHandler() { |
beaglescout007 | 0:b5f79b4f741d | 84 | if (dev) |
beaglescout007 | 0:b5f79b4f741d | 85 | host->interruptRead(dev, int_in, report, rxSize, false); |
beaglescout007 | 0:b5f79b4f741d | 86 | |
beaglescout007 | 0:b5f79b4f741d | 87 | /* modified 2016 Racoon */ |
beaglescout007 | 0:b5f79b4f741d | 88 | |
beaglescout007 | 0:b5f79b4f741d | 89 | } |
beaglescout007 | 0:b5f79b4f741d | 90 | |
beaglescout007 | 0:b5f79b4f741d | 91 | /*virtual*/ void USBHostGamepad::setVidPid(uint16_t vid, uint16_t pid) |
beaglescout007 | 0:b5f79b4f741d | 92 | { |
beaglescout007 | 0:b5f79b4f741d | 93 | // we don't check VID/PID for gamepad driver |
beaglescout007 | 0:b5f79b4f741d | 94 | } |
beaglescout007 | 0:b5f79b4f741d | 95 | |
beaglescout007 | 0:b5f79b4f741d | 96 | /*virtual*/ bool USBHostGamepad::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 |
beaglescout007 | 0:b5f79b4f741d | 97 | { |
beaglescout007 | 0:b5f79b4f741d | 98 | if ((gamepad_intf == -1) && |
beaglescout007 | 0:b5f79b4f741d | 99 | (intf_class == HID_CLASS) && |
beaglescout007 | 0:b5f79b4f741d | 100 | (intf_subclass == 0x00) && |
beaglescout007 | 0:b5f79b4f741d | 101 | (intf_protocol == 0x00)) { |
beaglescout007 | 0:b5f79b4f741d | 102 | gamepad_intf = intf_nb; |
beaglescout007 | 0:b5f79b4f741d | 103 | return true; |
beaglescout007 | 0:b5f79b4f741d | 104 | } |
beaglescout007 | 0:b5f79b4f741d | 105 | return false; |
beaglescout007 | 0:b5f79b4f741d | 106 | } |
beaglescout007 | 0:b5f79b4f741d | 107 | |
beaglescout007 | 0:b5f79b4f741d | 108 | /*virtual*/ bool USBHostGamepad::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used |
beaglescout007 | 0:b5f79b4f741d | 109 | { |
beaglescout007 | 0:b5f79b4f741d | 110 | if (intf_nb == gamepad_intf) { |
beaglescout007 | 0:b5f79b4f741d | 111 | if (type == INTERRUPT_ENDPOINT && dir == IN) { |
beaglescout007 | 0:b5f79b4f741d | 112 | gamepad_device_found = true; |
beaglescout007 | 0:b5f79b4f741d | 113 | return true; |
beaglescout007 | 0:b5f79b4f741d | 114 | } |
beaglescout007 | 0:b5f79b4f741d | 115 | } |
beaglescout007 | 0:b5f79b4f741d | 116 | return false; |
beaglescout007 | 0:b5f79b4f741d | 117 | } |
beaglescout007 | 0:b5f79b4f741d | 118 | |
beaglescout007 | 0:b5f79b4f741d | 119 |