Ries Twisk / Mbed 2 deprecated JoyStick

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Dependencies:   USBDevice mbed-rtos mbed

Fork of JoyStick by Ries Twisk

USBJoystick.cpp@2:ae7a31a3c618, 2013-08-30 (annotated)

Committer:
rvt
Date:
Fri Aug 30 01:37:49 2013 +0000
Revision:
2:ae7a31a3c618
Parent:
0:33bc88c4ab31
Child:
4:2cc58c173de8
Better PushButton handling

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rvt 0:33bc88c4ab31 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
rvt 0:33bc88c4ab31 2 * Modified Mouse code for Joystick - WH 2012
rvt 0:33bc88c4ab31 3 *
rvt 0:33bc88c4ab31 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
rvt 0:33bc88c4ab31 5 * and associated documentation files (the "Software"), to deal in the Software without
rvt 0:33bc88c4ab31 6 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
rvt 0:33bc88c4ab31 7 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
rvt 0:33bc88c4ab31 8 * Software is furnished to do so, subject to the following conditions:
rvt 0:33bc88c4ab31 9 *
rvt 0:33bc88c4ab31 10 * The above copyright notice and this permission notice shall be included in all copies or
rvt 0:33bc88c4ab31 11 * substantial portions of the Software.
rvt 0:33bc88c4ab31 12 *
rvt 0:33bc88c4ab31 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
rvt 0:33bc88c4ab31 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
rvt 0:33bc88c4ab31 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
rvt 0:33bc88c4ab31 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
rvt 0:33bc88c4ab31 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
rvt 0:33bc88c4ab31 18 */
rvt 0:33bc88c4ab31 19
rvt 0:33bc88c4ab31 20 #include "stdint.h"
rvt 0:33bc88c4ab31 21 #include "USBJoystick.h"
rvt 0:33bc88c4ab31 22
rvt 2:ae7a31a3c618 23 bool USBJoystick::update(int16_t t, int16_t r, int16_t x, int16_t y, uint8_t button) {
rvt 0:33bc88c4ab31 24 HID_REPORT report;
rvt 0:33bc88c4ab31 25 _t = t;
rvt 0:33bc88c4ab31 26 _r = r;
rvt 0:33bc88c4ab31 27 _x = x;
rvt 0:33bc88c4ab31 28 _y = y;
rvt 0:33bc88c4ab31 29 _button = button;
rvt 0:33bc88c4ab31 30
rvt 0:33bc88c4ab31 31 // Fill the report according to the Joystick Descriptor
rvt 0:33bc88c4ab31 32 report.data[0] = _t & 0xff;
rvt 0:33bc88c4ab31 33 report.data[1] = (_t >> 8) & 0xff;
rvt 0:33bc88c4ab31 34 report.data[2] = _r & 0xff;
rvt 0:33bc88c4ab31 35 report.data[3] = (_r >> 8) & 0xff;
rvt 0:33bc88c4ab31 36 report.data[4] = _x & 0xff;
rvt 0:33bc88c4ab31 37 report.data[5] = (_x >> 8) & 0xff;
rvt 0:33bc88c4ab31 38 report.data[6] = _y & 0xff;
rvt 0:33bc88c4ab31 39 report.data[7] = (_y >> 8) & 0xff;
rvt 2:ae7a31a3c618 40 report.data[8] = (_button & 0xff);
rvt 0:33bc88c4ab31 41 report.length = 9;
rvt 0:33bc88c4ab31 42
rvt 0:33bc88c4ab31 43 return send(&report);
rvt 0:33bc88c4ab31 44 }
rvt 0:33bc88c4ab31 45
rvt 0:33bc88c4ab31 46 bool USBJoystick::update() {
rvt 0:33bc88c4ab31 47 HID_REPORT report;
rvt 0:33bc88c4ab31 48
rvt 0:33bc88c4ab31 49 // Fill the report according to the Joystick Descriptor
rvt 0:33bc88c4ab31 50 report.data[0] = _t & 0xff;
rvt 0:33bc88c4ab31 51 report.data[1] = (_t >> 8) & 0xff;
rvt 0:33bc88c4ab31 52 report.data[2] = _r & 0xff;
rvt 0:33bc88c4ab31 53 report.data[3] = (_r >> 8) & 0xff;
rvt 0:33bc88c4ab31 54 report.data[4] = _x & 0xff;
rvt 0:33bc88c4ab31 55 report.data[5] = (_x >> 8) & 0xff;
rvt 0:33bc88c4ab31 56 report.data[6] = _y & 0xff;
rvt 0:33bc88c4ab31 57 report.data[7] = (_y >> 8) & 0xff;
rvt 2:ae7a31a3c618 58 report.data[8] = (_button & 0xff);
rvt 0:33bc88c4ab31 59 report.length = 9;
rvt 0:33bc88c4ab31 60
rvt 0:33bc88c4ab31 61 return send(&report);
rvt 0:33bc88c4ab31 62 }
rvt 0:33bc88c4ab31 63
rvt 0:33bc88c4ab31 64 bool USBJoystick::throttle(int16_t t) {
rvt 0:33bc88c4ab31 65 _t = t;
rvt 0:33bc88c4ab31 66 return update();
rvt 0:33bc88c4ab31 67 }
rvt 0:33bc88c4ab31 68
rvt 0:33bc88c4ab31 69 bool USBJoystick::rudder(int16_t r) {
rvt 0:33bc88c4ab31 70 _r = r;
rvt 0:33bc88c4ab31 71 return update();
rvt 0:33bc88c4ab31 72 }
rvt 0:33bc88c4ab31 73
rvt 0:33bc88c4ab31 74 bool USBJoystick::move(int16_t x, int16_t y) {
rvt 0:33bc88c4ab31 75 _x = x;
rvt 0:33bc88c4ab31 76 _y = y;
rvt 0:33bc88c4ab31 77 return update();
rvt 0:33bc88c4ab31 78 }
rvt 0:33bc88c4ab31 79
rvt 0:33bc88c4ab31 80 bool USBJoystick::button(uint8_t button) {
rvt 0:33bc88c4ab31 81 _button = button;
rvt 0:33bc88c4ab31 82 return update();
rvt 0:33bc88c4ab31 83 }
rvt 0:33bc88c4ab31 84
rvt 0:33bc88c4ab31 85
rvt 0:33bc88c4ab31 86 void USBJoystick::_init() {
rvt 0:33bc88c4ab31 87
rvt 0:33bc88c4ab31 88 _t = 0;
rvt 0:33bc88c4ab31 89 _r = 0;
rvt 0:33bc88c4ab31 90 _x = 0;
rvt 0:33bc88c4ab31 91 _y = 0;
rvt 0:33bc88c4ab31 92 _button = 0x00;
rvt 0:33bc88c4ab31 93 }
rvt 0:33bc88c4ab31 94
rvt 0:33bc88c4ab31 95
rvt 0:33bc88c4ab31 96 uint8_t * USBJoystick::reportDesc() {
rvt 0:33bc88c4ab31 97 static uint8_t reportDescriptor[] = {
rvt 0:33bc88c4ab31 98
rvt 0:33bc88c4ab31 99 USAGE_PAGE(1), 0x01, // Generic Desktop
rvt 0:33bc88c4ab31 100 LOGICAL_MINIMUM(1), 0x00, // Logical_Minimum (0)
rvt 0:33bc88c4ab31 101 USAGE(1), 0x04, // Usage (Joystick)
rvt 0:33bc88c4ab31 102 COLLECTION(1), 0x01, // Application
rvt 0:33bc88c4ab31 103
rvt 0:33bc88c4ab31 104 USAGE_PAGE(1), 0x02, // Simulation Controls
rvt 0:33bc88c4ab31 105 USAGE(1), 0xBB, // Throttle
rvt 0:33bc88c4ab31 106 USAGE(1), 0xBA, // Rudder
rvt 0:33bc88c4ab31 107 LOGICAL_MINIMUM(2), 0x01, 0x80, // -32767
rvt 0:33bc88c4ab31 108 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
rvt 0:33bc88c4ab31 109 REPORT_SIZE(1), 0x10,
rvt 0:33bc88c4ab31 110 REPORT_COUNT(1), 0x02,
rvt 0:33bc88c4ab31 111 INPUT(1), 0x02, // Data, Variable, Absolute
rvt 0:33bc88c4ab31 112
rvt 0:33bc88c4ab31 113 USAGE_PAGE(1), 0x01, // Generic Desktop
rvt 0:33bc88c4ab31 114 USAGE(1), 0x01, // Usage (Pointer)
rvt 0:33bc88c4ab31 115 COLLECTION(1), 0x00, // Physical
rvt 0:33bc88c4ab31 116 USAGE(1), 0x30, // X
rvt 0:33bc88c4ab31 117 USAGE(1), 0x31, // Y
rvt 0:33bc88c4ab31 118 // 8 bit values
rvt 0:33bc88c4ab31 119 // LOGICAL_MINIMUM(1), 0x81, // -127
rvt 0:33bc88c4ab31 120 // LOGICAL_MAXIMUM(1), 0x7f, // 127
rvt 0:33bc88c4ab31 121 // REPORT_SIZE(1), 0x08,
rvt 0:33bc88c4ab31 122 // REPORT_COUNT(1), 0x02,
rvt 0:33bc88c4ab31 123 // INPUT(1), 0x02, // Data, Variable, Absolute
rvt 0:33bc88c4ab31 124 // 16 bit values
rvt 0:33bc88c4ab31 125 LOGICAL_MINIMUM(2), 0x01, 0x80, // -32767
rvt 0:33bc88c4ab31 126 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
rvt 0:33bc88c4ab31 127 REPORT_SIZE(1), 0x10,
rvt 0:33bc88c4ab31 128 REPORT_COUNT(1), 0x02,
rvt 0:33bc88c4ab31 129 INPUT(1), 0x02, // Data, Variable, Absolute
rvt 0:33bc88c4ab31 130
rvt 0:33bc88c4ab31 131
rvt 0:33bc88c4ab31 132 END_COLLECTION(0),
rvt 0:33bc88c4ab31 133 // 4 Position Hat Switch
rvt 0:33bc88c4ab31 134 // USAGE(1), 0x39, // Usage (Hat switch)
rvt 0:33bc88c4ab31 135 // LOGICAL_MINIMUM(1), 0x00, // 0
rvt 0:33bc88c4ab31 136 // LOGICAL_MAXIMUM(1), 0x03, // 3
rvt 0:33bc88c4ab31 137 // PHYSICAL_MINIMUM(1), 0x00, // Physical_Minimum (0)
rvt 0:33bc88c4ab31 138 // PHYSICAL_MAXIMUM(2), 0x0E, 0x01, // Physical_Maximum (270)
rvt 0:33bc88c4ab31 139 // UNIT(1), 0x14, // Unit (Eng Rot:Angular Pos)
rvt 0:33bc88c4ab31 140 // REPORT_SIZE(1), 0x04,
rvt 0:33bc88c4ab31 141 // REPORT_COUNT(1), 0x01,
rvt 0:33bc88c4ab31 142 // INPUT(1), 0x02, // Data, Variable, Absolute
rvt 0:33bc88c4ab31 143 // 8 Position Hat Switch
rvt 2:ae7a31a3c618 144 // USAGE(1), 0x39, // Usage (Hat switch)
rvt 2:ae7a31a3c618 145 // LOGICAL_MINIMUM(1), 0x00, // 0
rvt 2:ae7a31a3c618 146 // LOGICAL_MAXIMUM(1), 0x07, // 7
rvt 2:ae7a31a3c618 147 // PHYSICAL_MINIMUM(1), 0x00, // Physical_Minimum (0)
rvt 2:ae7a31a3c618 148 // PHYSICAL_MAXIMUM(2), 0x3B, 0x01, // Physical_Maximum (315)
rvt 2:ae7a31a3c618 149 // UNIT(1), 0x14, // Unit (Eng Rot:Angular Pos)
rvt 2:ae7a31a3c618 150 // REPORT_SIZE(1), 0x04,
rvt 2:ae7a31a3c618 151 // REPORT_COUNT(1), 0x01,
rvt 2:ae7a31a3c618 152 // INPUT(1), 0x02, // Data, Variable, Absolute
rvt 2:ae7a31a3c618 153
rvt 2:ae7a31a3c618 154 // Buttons
rvt 0:33bc88c4ab31 155 USAGE_PAGE(1), 0x09, // Buttons
rvt 0:33bc88c4ab31 156 USAGE_MINIMUM(1), 0x01, // 1
rvt 2:ae7a31a3c618 157 USAGE_MAXIMUM(1), 0x08, // 4
rvt 0:33bc88c4ab31 158 LOGICAL_MINIMUM(1), 0x00, // 0
rvt 0:33bc88c4ab31 159 LOGICAL_MAXIMUM(1), 0x01, // 1
rvt 0:33bc88c4ab31 160 REPORT_SIZE(1), 0x01,
rvt 2:ae7a31a3c618 161 REPORT_COUNT(1), 0x08,
rvt 0:33bc88c4ab31 162 UNIT_EXPONENT(1), 0x00, // Unit_Exponent (0)
rvt 0:33bc88c4ab31 163 UNIT(1), 0x00, // Unit (None)
rvt 0:33bc88c4ab31 164 INPUT(1), 0x02, // Data, Variable, Absolute
rvt 0:33bc88c4ab31 165 END_COLLECTION(0)
rvt 0:33bc88c4ab31 166
rvt 0:33bc88c4ab31 167 };
rvt 0:33bc88c4ab31 168
rvt 0:33bc88c4ab31 169 reportLength = sizeof(reportDescriptor);
rvt 0:33bc88c4ab31 170 return reportDescriptor;
rvt 0:33bc88c4ab31 171 }
rvt 0:33bc88c4ab31 172
rvt 0:33bc88c4ab31 173