Chris Majoros / USBDevice

USB/HID stack for the loststone project

Dependents:   loststone

Fork of USBDevice by mbed official

USBHID/USBMouse.cpp@11:7c95a42cf9f6, 2013-03-14 (annotated)

Committer:
xxann5
Date:
Thu Mar 14 13:53:16 2013 +0000
Revision:
11:7c95a42cf9f6
Parent:
8:4f27799a971d 
pulled and merged with the main dev repo.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:80ab0d068708 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
samux 1:80ab0d068708 2 *
samux 1:80ab0d068708 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
samux 1:80ab0d068708 4 * and associated documentation files (the "Software"), to deal in the Software without
samux 1:80ab0d068708 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
samux 1:80ab0d068708 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
samux 1:80ab0d068708 7 * Software is furnished to do so, subject to the following conditions:
samux 1:80ab0d068708 8 *
samux 1:80ab0d068708 9 * The above copyright notice and this permission notice shall be included in all copies or
samux 1:80ab0d068708 10 * substantial portions of the Software.
samux 1:80ab0d068708 11 *
samux 1:80ab0d068708 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
samux 1:80ab0d068708 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
samux 1:80ab0d068708 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
samux 1:80ab0d068708 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
samux 1:80ab0d068708 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
samux 1:80ab0d068708 17 */
samux 1:80ab0d068708 18
samux 1:80ab0d068708 19 #include "stdint.h"
samux 1:80ab0d068708 20 #include "USBMouse.h"
samux 1:80ab0d068708 21
xxann5 8:4f27799a971d 22 bool USBMouse::update(int16_t x, int16_t y, uint8_t button, int8_t z, int8_t h) {
samux 1:80ab0d068708 23 switch (mouse_type) {
samux 1:80ab0d068708 24 case REL_MOUSE:
xxann5 8:4f27799a971d 25 return mouseSend(x, y, button, z, h);
samux 1:80ab0d068708 26 case ABS_MOUSE:
samux 1:80ab0d068708 27 HID_REPORT report;
samux 1:80ab0d068708 28
samux 1:80ab0d068708 29 report.data[0] = x & 0xff;
samux 1:80ab0d068708 30 report.data[1] = (x >> 8) & 0xff;
samux 1:80ab0d068708 31 report.data[2] = y & 0xff;
samux 1:80ab0d068708 32 report.data[3] = (y >> 8) & 0xff;
samux 1:80ab0d068708 33 report.data[4] = -z;
samux 1:80ab0d068708 34 report.data[5] = button & 0x07;
samux 1:80ab0d068708 35
samux 1:80ab0d068708 36 report.length = 6;
samux 1:80ab0d068708 37
samux 1:80ab0d068708 38 return send(&report);
samux 1:80ab0d068708 39 default:
samux 1:80ab0d068708 40 return false;
samux 1:80ab0d068708 41 }
samux 1:80ab0d068708 42 }
samux 1:80ab0d068708 43
xxann5 8:4f27799a971d 44 bool USBMouse::mouseSend(int16_t x, int16_t y, uint8_t buttons, int8_t z, int8_t h) {
samux 1:80ab0d068708 45 HID_REPORT report;
xxann5 8:4f27799a971d 46
xxann5 8:4f27799a971d 47 report.data[0] = buttons;// & 0x07;
samux 1:80ab0d068708 48
xxann5 8:4f27799a971d 49 report.data[1] = (unsigned int) x & 0x00FF;
xxann5 8:4f27799a971d 50 report.data[2] = (unsigned int) x >> 8;
xxann5 8:4f27799a971d 51 report.data[3] = (unsigned int) y & 0x00FF;
xxann5 8:4f27799a971d 52 report.data[4] = (unsigned int) y >> 8;
xxann5 8:4f27799a971d 53 report.data[5] = -z; // >0 to scroll down, <0 to scroll up
xxann5 8:4f27799a971d 54 report.data[6] = h;
xxann5 8:4f27799a971d 55
xxann5 8:4f27799a971d 56 report.length = 7;
samux 1:80ab0d068708 57
samux 1:80ab0d068708 58 return send(&report);
samux 1:80ab0d068708 59 }
samux 1:80ab0d068708 60
samux 1:80ab0d068708 61 bool USBMouse::move(int16_t x, int16_t y) {
xxann5 8:4f27799a971d 62 return update(x, y, button, 0, 0);
samux 1:80ab0d068708 63 }
samux 1:80ab0d068708 64
xxann5 8:4f27799a971d 65 bool USBMouse::scroll(int8_t z, int8_t h) {
xxann5 8:4f27799a971d 66 return update(0, 0, button, z, h);
samux 1:80ab0d068708 67 }
samux 1:80ab0d068708 68
samux 1:80ab0d068708 69
samux 1:80ab0d068708 70 bool USBMouse::doubleClick() {
samux 1:80ab0d068708 71 if (!click(MOUSE_LEFT))
samux 1:80ab0d068708 72 return false;
samux 1:80ab0d068708 73 wait(0.1);
samux 1:80ab0d068708 74 return click(MOUSE_LEFT);
samux 1:80ab0d068708 75 }
samux 1:80ab0d068708 76
samux 1:80ab0d068708 77 bool USBMouse::click(uint8_t button) {
xxann5 8:4f27799a971d 78 if (!update(0, 0, button, 0, 0))
samux 1:80ab0d068708 79 return false;
samux 1:80ab0d068708 80 wait(0.01);
xxann5 8:4f27799a971d 81 return update(0, 0, 0, 0, 0);
samux 1:80ab0d068708 82 }
samux 1:80ab0d068708 83
samux 1:80ab0d068708 84 bool USBMouse::press(uint8_t button_) {
xxann5 8:4f27799a971d 85 printf("btn_press\n\r");
samux 1:80ab0d068708 86 button = button_ & 0x07;
xxann5 8:4f27799a971d 87 return update(0, 0, button, 0, 0);
samux 1:80ab0d068708 88 }
samux 1:80ab0d068708 89
samux 1:80ab0d068708 90 bool USBMouse::release(uint8_t button_) {
xxann5 8:4f27799a971d 91 printf("btn_release\n\r");
samux 1:80ab0d068708 92 button = (button & (~button_)) & 0x07;
xxann5 8:4f27799a971d 93 return update(0, 0, button, 0, 0);
samux 1:80ab0d068708 94 }
samux 1:80ab0d068708 95
samux 1:80ab0d068708 96
samux 1:80ab0d068708 97 uint8_t * USBMouse::reportDesc() {
samux 1:80ab0d068708 98
samux 1:80ab0d068708 99 if (mouse_type == REL_MOUSE) {
xxann5 8:4f27799a971d 100 //
xxann5 8:4f27799a971d 101 // Wheel Mouse - simplified version - 5 button, vertical and horizontal wheel
xxann5 8:4f27799a971d 102 //
xxann5 8:4f27799a971d 103 // Input report - 5 bytes
xxann5 8:4f27799a971d 104 //
xxann5 8:4f27799a971d 105 // Byte | D7 D6 D5 D4 D3 D2 D1 D0
xxann5 8:4f27799a971d 106 // ------+---------------------------------------------------------------------
xxann5 8:4f27799a971d 107 // 0 | 0 0 0 Forward Back Middle Right Left (Buttons)
xxann5 8:4f27799a971d 108 // 1 | X High
xxann5 8:4f27799a971d 109 // 2 | X Low
xxann5 8:4f27799a971d 110 // 3 | Y High
xxann5 8:4f27799a971d 111 // 4 | Y Low
xxann5 8:4f27799a971d 112 // 5 | Vertical Wheel
xxann5 8:4f27799a971d 113 // 6 | Horizontal (Tilt) Wheel
xxann5 8:4f27799a971d 114 //
xxann5 8:4f27799a971d 115 // Feature report - 1 byte
xxann5 8:4f27799a971d 116 //
xxann5 8:4f27799a971d 117 // Byte | D7 D6 D5 D4 | D3 D2 | D1 D0
xxann5 8:4f27799a971d 118 // ------+------------------------------+--------------+----------------
xxann5 8:4f27799a971d 119 // 0 | 0 0 0 0 | Horizontal | Vertical
xxann5 8:4f27799a971d 120 // (Resolution multiplier)
xxann5 8:4f27799a971d 121 //
xxann5 8:4f27799a971d 122 // Reference
xxann5 8:4f27799a971d 123 // Wheel.docx in "Enhanced Wheel Support in Windows Vista" on MS WHDC
xxann5 8:4f27799a971d 124 // http://www.microsoft.com/whdc/device/input/wheel.mspx
xxann5 8:4f27799a971d 125 //
samux 1:80ab0d068708 126 static uint8_t reportDescriptor[] = {
xxann5 8:4f27799a971d 127 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
xxann5 8:4f27799a971d 128 0x09, 0x02, // USAGE (Mouse)
xxann5 8:4f27799a971d 129 0xa1, 0x01, // COLLECTION (Application)
xxann5 8:4f27799a971d 130 0x09, 0x02, // USAGE (Mouse)
xxann5 8:4f27799a971d 131 0xa1, 0x02, // COLLECTION (Logical)
xxann5 8:4f27799a971d 132 0x09, 0x01, // USAGE (Pointer)
xxann5 8:4f27799a971d 133 0xa1, 0x00, // COLLECTION (Physical)
xxann5 8:4f27799a971d 134 // ------------------------------ Buttons
xxann5 8:4f27799a971d 135 0x05, 0x09, // USAGE_PAGE (Button)
xxann5 8:4f27799a971d 136 0x19, 0x01, // USAGE_MINIMUM (Button 1)
xxann5 8:4f27799a971d 137 0x29, 0x05, // USAGE_MAXIMUM (Button 5)
xxann5 8:4f27799a971d 138 0x15, 0x00, // LOGICAL_MINIMUM (0)
xxann5 8:4f27799a971d 139 0x25, 0x01, // LOGICAL_MAXIMUM (1)
xxann5 8:4f27799a971d 140 0x75, 0x01, // REPORT_SIZE (1)
xxann5 8:4f27799a971d 141 0x95, 0x05, // REPORT_COUNT (5)
xxann5 8:4f27799a971d 142 0x81, 0x02, // INPUT (Data,Var,Abs)
xxann5 8:4f27799a971d 143 // ------------------------------ Padding
xxann5 8:4f27799a971d 144 0x75, 0x03, // REPORT_SIZE (3)
xxann5 8:4f27799a971d 145 0x95, 0x01, // REPORT_COUNT (1)
xxann5 8:4f27799a971d 146 0x81, 0x03, // INPUT (Cnst,Var,Abs)
xxann5 8:4f27799a971d 147 // ------------------------------ X,Y position
xxann5 8:4f27799a971d 148 0x05, 0x01, // USAGE_PAGE (Generic Desktop)
xxann5 8:4f27799a971d 149 0x09, 0x30, // USAGE (X)
xxann5 8:4f27799a971d 150 0x09, 0x31, // USAGE (Y)
xxann5 8:4f27799a971d 151 0x16, 0x00, 0x81, // LOGICAL_MINIMUM (-32768)
xxann5 8:4f27799a971d 152 0x26, 0xff, 0x7f, // LOGICAL_MAXIMUM (32767)
xxann5 8:4f27799a971d 153 0x75, 0x10, // REPORT_SIZE (16)
xxann5 8:4f27799a971d 154 0x95, 0x02, // REPORT_COUNT (2)
xxann5 8:4f27799a971d 155 0x81, 0x06, // INPUT (Data,Var,Rel)
xxann5 8:4f27799a971d 156 0xa1, 0x02, // COLLECTION (Logical)
xxann5 8:4f27799a971d 157 // ------------------------------ Vertical wheel res multiplier
xxann5 8:4f27799a971d 158 0x09, 0x48, // USAGE (Resolution Multiplier)
xxann5 8:4f27799a971d 159 0x15, 0x00, // LOGICAL_MINIMUM (0)
xxann5 8:4f27799a971d 160 0x25, 0x01, // LOGICAL_MAXIMUM (1)
xxann5 8:4f27799a971d 161 0x35, 0x01, // PHYSICAL_MINIMUM (1)
xxann5 8:4f27799a971d 162 0x45, 0x04, // PHYSICAL_MAXIMUM (4)
xxann5 8:4f27799a971d 163 0x75, 0x02, // REPORT_SIZE (2)
xxann5 8:4f27799a971d 164 0x95, 0x01, // REPORT_COUNT (1)
xxann5 8:4f27799a971d 165 0xa4, // PUSH
xxann5 8:4f27799a971d 166 0xb1, 0x02, // FEATURE (Data,Var,Abs)
xxann5 8:4f27799a971d 167 // ------------------------------ Vertical wheel
xxann5 8:4f27799a971d 168 0x09, 0x38, // USAGE (Wheel)
xxann5 8:4f27799a971d 169 0x15, 0x81, // LOGICAL_MINIMUM (-127)
xxann5 8:4f27799a971d 170 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
xxann5 8:4f27799a971d 171 0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
xxann5 8:4f27799a971d 172 0x45, 0x00, // PHYSICAL_MAXIMUM (0)
xxann5 8:4f27799a971d 173 0x75, 0x08, // REPORT_SIZE (8)
xxann5 8:4f27799a971d 174 0x81, 0x06, // INPUT (Data,Var,Rel)
xxann5 8:4f27799a971d 175 0xc0, // END_COLLECTION
xxann5 8:4f27799a971d 176 0xa1, 0x02, // COLLECTION (Logical)
xxann5 8:4f27799a971d 177 // ------------------------------ Horizontal wheel res multiplier
xxann5 8:4f27799a971d 178 0x09, 0x48, // USAGE (Resolution Multiplier)
xxann5 8:4f27799a971d 179 0xb4, // POP
xxann5 8:4f27799a971d 180 0xb1, 0x02, // FEATURE (Data,Var,Abs)
xxann5 8:4f27799a971d 181 // ------------------------------ Padding for Feature report
xxann5 8:4f27799a971d 182 0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
xxann5 8:4f27799a971d 183 0x45, 0x00, // PHYSICAL_MAXIMUM (0)
xxann5 8:4f27799a971d 184 0x75, 0x04, // REPORT_SIZE (4)
xxann5 8:4f27799a971d 185 0xb1, 0x03, // FEATURE (Cnst,Var,Abs)
xxann5 8:4f27799a971d 186 // ------------------------------ Horizontal wheel
xxann5 8:4f27799a971d 187 0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
xxann5 8:4f27799a971d 188 0x0a, 0x38, 0x02, // USAGE (AC Pan)
xxann5 8:4f27799a971d 189 0x15, 0x81, // LOGICAL_MINIMUM (-127)
xxann5 8:4f27799a971d 190 0x25, 0x7f, // LOGICAL_MAXIMUM (127)
xxann5 8:4f27799a971d 191 0x75, 0x08, // REPORT_SIZE (8)
xxann5 8:4f27799a971d 192 0x81, 0x06, // INPUT (Data,Var,Rel)
xxann5 8:4f27799a971d 193 0xc0, // END_COLLECTION
xxann5 8:4f27799a971d 194 0xc0, // END_COLLECTION
xxann5 8:4f27799a971d 195 0xc0, // END_COLLECTION
xxann5 8:4f27799a971d 196 0xc0 // END_COLLECTION
xxann5 8:4f27799a971d 197 };
samux 1:80ab0d068708 198
samux 1:80ab0d068708 199 reportLength = sizeof(reportDescriptor);
samux 1:80ab0d068708 200 return reportDescriptor;
samux 1:80ab0d068708 201 } else if (mouse_type == ABS_MOUSE) {
samux 1:80ab0d068708 202 static uint8_t reportDescriptor[] = {
samux 1:80ab0d068708 203
samux 1:80ab0d068708 204 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 205 USAGE(1), 0x02, // Mouse
samux 1:80ab0d068708 206 COLLECTION(1), 0x01, // Application
samux 1:80ab0d068708 207 USAGE(1), 0x01, // Pointer
samux 1:80ab0d068708 208 COLLECTION(1), 0x00, // Physical
samux 1:80ab0d068708 209
samux 1:80ab0d068708 210 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 211 USAGE(1), 0x30, // X
samux 1:80ab0d068708 212 USAGE(1), 0x31, // Y
samux 1:80ab0d068708 213 LOGICAL_MINIMUM(1), 0x00, // 0
samux 1:80ab0d068708 214 LOGICAL_MAXIMUM(2), 0xff, 0x7f, // 32767
samux 1:80ab0d068708 215 REPORT_SIZE(1), 0x10,
samux 1:80ab0d068708 216 REPORT_COUNT(1), 0x02,
samux 1:80ab0d068708 217 INPUT(1), 0x02, // Data, Variable, Absolute
samux 1:80ab0d068708 218
samux 1:80ab0d068708 219 USAGE_PAGE(1), 0x01, // Generic Desktop
samux 1:80ab0d068708 220 USAGE(1), 0x38, // scroll
samux 1:80ab0d068708 221 LOGICAL_MINIMUM(1), 0x81, // -127
samux 1:80ab0d068708 222 LOGICAL_MAXIMUM(1), 0x7f, // 127
samux 1:80ab0d068708 223 REPORT_SIZE(1), 0x08,
samux 1:80ab0d068708 224 REPORT_COUNT(1), 0x01,
samux 1:80ab0d068708 225 INPUT(1), 0x06, // Data, Variable, Relative
samux 1:80ab0d068708 226
samux 1:80ab0d068708 227 USAGE_PAGE(1), 0x09, // Buttons
samux 1:80ab0d068708 228 USAGE_MINIMUM(1), 0x01,
samux 1:80ab0d068708 229 USAGE_MAXIMUM(1), 0x03,
samux 1:80ab0d068708 230 LOGICAL_MINIMUM(1), 0x00, // 0
samux 1:80ab0d068708 231 LOGICAL_MAXIMUM(1), 0x01, // 1
samux 1:80ab0d068708 232 REPORT_COUNT(1), 0x03,
samux 1:80ab0d068708 233 REPORT_SIZE(1), 0x01,
samux 1:80ab0d068708 234 INPUT(1), 0x02, // Data, Variable, Absolute
samux 1:80ab0d068708 235 REPORT_COUNT(1), 0x01,
samux 1:80ab0d068708 236 REPORT_SIZE(1), 0x05,
samux 1:80ab0d068708 237 INPUT(1), 0x01, // Constant
samux 1:80ab0d068708 238
samux 1:80ab0d068708 239 END_COLLECTION(0),
samux 1:80ab0d068708 240 END_COLLECTION(0)
samux 1:80ab0d068708 241 };
samux 1:80ab0d068708 242 reportLength = sizeof(reportDescriptor);
samux 1:80ab0d068708 243 return reportDescriptor;
samux 1:80ab0d068708 244 }
samux 1:80ab0d068708 245 return NULL;
samux 1:80ab0d068708 246 }
samux 1:80ab0d068708 247
samux 1:80ab0d068708 248 #define DEFAULT_CONFIGURATION (1)
samux 1:80ab0d068708 249 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 250 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 251 + (1 * HID_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 252 + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
samux 1:80ab0d068708 253
samux 1:80ab0d068708 254 uint8_t * USBMouse::configurationDesc() {
samux 1:80ab0d068708 255 static uint8_t configurationDescriptor[] = {
samux 1:80ab0d068708 256 CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
samux 1:80ab0d068708 257 CONFIGURATION_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 258 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
samux 1:80ab0d068708 259 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
samux 1:80ab0d068708 260 0x01, // bNumInterfaces
samux 1:80ab0d068708 261 DEFAULT_CONFIGURATION, // bConfigurationValue
samux 1:80ab0d068708 262 0x00, // iConfiguration
samux 1:80ab0d068708 263 C_RESERVED | C_SELF_POWERED, // bmAttributes
samux 1:80ab0d068708 264 C_POWER(0), // bMaxPowerHello World from Mbed
samux 1:80ab0d068708 265
samux 1:80ab0d068708 266 INTERFACE_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 267 INTERFACE_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 268 0x00, // bInterfaceNumber
samux 1:80ab0d068708 269 0x00, // bAlternateSetting
samux 1:80ab0d068708 270 0x02, // bNumEndpoints
samux 1:80ab0d068708 271 HID_CLASS, // bInterfaceClass
samux 1:80ab0d068708 272 1, // bInterfaceSubClass
samux 1:80ab0d068708 273 2, // bInterfaceProtocol (mouse)
samux 1:80ab0d068708 274 0x00, // iInterface
samux 1:80ab0d068708 275
samux 1:80ab0d068708 276 HID_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 277 HID_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 278 LSB(HID_VERSION_1_11), // bcdHID (LSB)
samux 1:80ab0d068708 279 MSB(HID_VERSION_1_11), // bcdHID (MSB)
samux 1:80ab0d068708 280 0x00, // bCountryCode
samux 1:80ab0d068708 281 0x01, // bNumDescriptors
samux 1:80ab0d068708 282 REPORT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 283 LSB(reportDescLength()), // wDescriptorLength (LSB)
samux 1:80ab0d068708 284 MSB(reportDescLength()), // wDescriptorLength (MSB)
samux 1:80ab0d068708 285
samux 1:80ab0d068708 286 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 287 ENDPOINT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 288 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
samux 1:80ab0d068708 289 E_INTERRUPT, // bmAttributes
samux 1:80ab0d068708 290 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux 1:80ab0d068708 291 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux 1:80ab0d068708 292 1, // bInterval (milliseconds)
samux 1:80ab0d068708 293
samux 1:80ab0d068708 294 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
samux 1:80ab0d068708 295 ENDPOINT_DESCRIPTOR, // bDescriptorType
samux 1:80ab0d068708 296 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
samux 1:80ab0d068708 297 E_INTERRUPT, // bmAttributes
samux 1:80ab0d068708 298 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
samux 1:80ab0d068708 299 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
samux 1:80ab0d068708 300 1, // bInterval (milliseconds)
samux 1:80ab0d068708 301 };
samux 1:80ab0d068708 302 return configurationDescriptor;
samux 1:80ab0d068708 303 }