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USBJoystick.cpp
00001 /* mbed USBJoystick Library 00002 * Copyright (c) 2012, v01: Initial version, WH, 00003 * Modified USBMouse code ARM Limited. 00004 * (c) 2010-2011 mbed.org, MIT License 00005 * 2016, v02: Updated USBDevice Lib, Added waitForConnect, Updated 32 bits button 00006 * 00007 * Permission is hereby granted, free of charge, to any person obtaining a copy 00008 * of this software and associated documentation files (the "Software"), to deal 00009 * in the Software without restriction, inclumosig without limitation the rights 00010 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00011 * copies of the Software, and to permit persons to whom the Software is 00012 * furnished to do so, subject to the following conditions: 00013 * 00014 * The above copyright notice and this permission notice shall be included in 00015 * all copies or substantial portions of the Software. 00016 * 00017 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00018 * IMPLIED, INCLUmosiG BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00019 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00020 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00021 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00022 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00023 * THE SOFTWARE. 00024 */ 00025 00026 00027 #include "stdint.h" 00028 #include "USBJoystick.h" 00029 00030 bool USBJoystick::update(int16_t s) { 00031 00032 00033 _s = s; 00034 /* 00035 _t = t; 00036 _r = r; 00037 _x = x; 00038 _y = y; 00039 _buttons = buttons; 00040 _hat = hat; 00041 */ 00042 00043 return update(); 00044 } 00045 00046 bool USBJoystick::update() { 00047 HID_REPORT report; 00048 00049 // Fill the report according to the Joystick Descriptor 00050 report.data[0] = _s & 0xff; 00051 00052 report.length = 1; 00053 00054 return send(&report); 00055 } 00056 00057 bool USBJoystick::throttle(int16_t t) { 00058 _t = t; 00059 return update(); 00060 } 00061 00062 bool USBJoystick::rudder(int16_t r) { 00063 _r = r; 00064 return update(); 00065 } 00066 00067 bool USBJoystick::move(int16_t x, int16_t y) { 00068 _x = x; 00069 _y = y; 00070 return update(); 00071 } 00072 00073 bool USBJoystick::buttons(uint32_t buttons) { 00074 _buttons = buttons; 00075 return update(); 00076 } 00077 00078 bool USBJoystick::hat(uint8_t hat) { 00079 _hat = hat; 00080 return update(); 00081 } 00082 00083 bool USBJoystick::steering(int16_t s) { 00084 _s = s; 00085 return update(); 00086 } 00087 00088 void USBJoystick::_init() { 00089 _s = 0; 00090 00091 /* 00092 _t = -127; 00093 _r = -127; 00094 _x = 0; 00095 _y = 0; 00096 _buttons = 0x00000000; 00097 _hat = 0x00; 00098 */ 00099 } 00100 00101 00102 uint8_t * USBJoystick::reportDesc() { 00103 static uint8_t reportDescriptor[] = { 00104 00105 USAGE_PAGE(1), 0x01, // Generic Desktop 00106 //LOGICAL_MINIMUM(1), 0x00, // Logical_Minimum (0) 00107 USAGE(1), 0x04, // Usage (Joystick) 00108 COLLECTION(1), 0x01, // Application 00109 USAGE_PAGE(1), 0x02, // Simulation Controls 00110 USAGE(1), 0xC8, // Throttle 00111 LOGICAL_MINIMUM(1), 0x81, // -127 00112 LOGICAL_MAXIMUM(1), 0x7f, // 127 00113 REPORT_SIZE(1), 0x08, 00114 REPORT_COUNT(1), 0x01, 00115 INPUT(1), 0x02, // Data, Variable, Absolute 00116 00117 END_COLLECTION(0) 00118 }; 00119 00120 reportLength = sizeof(reportDescriptor); 00121 return reportDescriptor; 00122 }
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