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Dependencies:   mbed

USBDevice/USBHID/USBHID.cpp@0:7b5d37ca532f, 2019-10-09 (annotated)

Committer:
AhmadAlkaff
Date:
Wed Oct 09 09:38:09 2019 +0000
Revision:
0:7b5d37ca532f
Initial Commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AhmadAlkaff 0:7b5d37ca532f 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
AhmadAlkaff 0:7b5d37ca532f 2 *
AhmadAlkaff 0:7b5d37ca532f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
AhmadAlkaff 0:7b5d37ca532f 4 * and associated documentation files (the "Software"), to deal in the Software without
AhmadAlkaff 0:7b5d37ca532f 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
AhmadAlkaff 0:7b5d37ca532f 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
AhmadAlkaff 0:7b5d37ca532f 7 * Software is furnished to do so, subject to the following conditions:
AhmadAlkaff 0:7b5d37ca532f 8 *
AhmadAlkaff 0:7b5d37ca532f 9 * The above copyright notice and this permission notice shall be included in all copies or
AhmadAlkaff 0:7b5d37ca532f 10 * substantial portions of the Software.
AhmadAlkaff 0:7b5d37ca532f 11 *
AhmadAlkaff 0:7b5d37ca532f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
AhmadAlkaff 0:7b5d37ca532f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
AhmadAlkaff 0:7b5d37ca532f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
AhmadAlkaff 0:7b5d37ca532f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AhmadAlkaff 0:7b5d37ca532f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
AhmadAlkaff 0:7b5d37ca532f 17 */
AhmadAlkaff 0:7b5d37ca532f 18
AhmadAlkaff 0:7b5d37ca532f 19 #include "stdint.h"
AhmadAlkaff 0:7b5d37ca532f 20 #include "USBHAL.h"
AhmadAlkaff 0:7b5d37ca532f 21 #include "USBHID.h"
AhmadAlkaff 0:7b5d37ca532f 22
AhmadAlkaff 0:7b5d37ca532f 23
AhmadAlkaff 0:7b5d37ca532f 24 USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release)
AhmadAlkaff 0:7b5d37ca532f 25 {
AhmadAlkaff 0:7b5d37ca532f 26 output_length = output_report_length;
AhmadAlkaff 0:7b5d37ca532f 27 input_length = input_report_length;
AhmadAlkaff 0:7b5d37ca532f 28 if(connect) {
AhmadAlkaff 0:7b5d37ca532f 29 USBDevice::connect();
AhmadAlkaff 0:7b5d37ca532f 30 }
AhmadAlkaff 0:7b5d37ca532f 31 }
AhmadAlkaff 0:7b5d37ca532f 32
AhmadAlkaff 0:7b5d37ca532f 33
AhmadAlkaff 0:7b5d37ca532f 34 bool USBHID::send(HID_REPORT *report)
AhmadAlkaff 0:7b5d37ca532f 35 {
AhmadAlkaff 0:7b5d37ca532f 36 return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
AhmadAlkaff 0:7b5d37ca532f 37 }
AhmadAlkaff 0:7b5d37ca532f 38
AhmadAlkaff 0:7b5d37ca532f 39 bool USBHID::sendNB(HID_REPORT *report)
AhmadAlkaff 0:7b5d37ca532f 40 {
AhmadAlkaff 0:7b5d37ca532f 41 return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE);
AhmadAlkaff 0:7b5d37ca532f 42 }
AhmadAlkaff 0:7b5d37ca532f 43
AhmadAlkaff 0:7b5d37ca532f 44
AhmadAlkaff 0:7b5d37ca532f 45 bool USBHID::read(HID_REPORT *report)
AhmadAlkaff 0:7b5d37ca532f 46 {
AhmadAlkaff 0:7b5d37ca532f 47 uint32_t bytesRead = 0;
AhmadAlkaff 0:7b5d37ca532f 48 bool result;
AhmadAlkaff 0:7b5d37ca532f 49 result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
AhmadAlkaff 0:7b5d37ca532f 50 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
AhmadAlkaff 0:7b5d37ca532f 51 return false;
AhmadAlkaff 0:7b5d37ca532f 52 report->length = bytesRead;
AhmadAlkaff 0:7b5d37ca532f 53 return result;
AhmadAlkaff 0:7b5d37ca532f 54 }
AhmadAlkaff 0:7b5d37ca532f 55
AhmadAlkaff 0:7b5d37ca532f 56
AhmadAlkaff 0:7b5d37ca532f 57 bool USBHID::readNB(HID_REPORT *report)
AhmadAlkaff 0:7b5d37ca532f 58 {
AhmadAlkaff 0:7b5d37ca532f 59 uint32_t bytesRead = 0;
AhmadAlkaff 0:7b5d37ca532f 60 bool result;
AhmadAlkaff 0:7b5d37ca532f 61 result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE);
AhmadAlkaff 0:7b5d37ca532f 62 // if readEP_NB did not succeed, does not issue a readStart
AhmadAlkaff 0:7b5d37ca532f 63 if (!result)
AhmadAlkaff 0:7b5d37ca532f 64 return false;
AhmadAlkaff 0:7b5d37ca532f 65 report->length = bytesRead;
AhmadAlkaff 0:7b5d37ca532f 66 if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE))
AhmadAlkaff 0:7b5d37ca532f 67 return false;
AhmadAlkaff 0:7b5d37ca532f 68 return result;
AhmadAlkaff 0:7b5d37ca532f 69 }
AhmadAlkaff 0:7b5d37ca532f 70
AhmadAlkaff 0:7b5d37ca532f 71
AhmadAlkaff 0:7b5d37ca532f 72 uint16_t USBHID::reportDescLength() {
AhmadAlkaff 0:7b5d37ca532f 73 reportDesc();
AhmadAlkaff 0:7b5d37ca532f 74 return reportLength;
AhmadAlkaff 0:7b5d37ca532f 75 }
AhmadAlkaff 0:7b5d37ca532f 76
AhmadAlkaff 0:7b5d37ca532f 77
AhmadAlkaff 0:7b5d37ca532f 78
AhmadAlkaff 0:7b5d37ca532f 79 //
AhmadAlkaff 0:7b5d37ca532f 80 // Route callbacks from lower layers to class(es)
AhmadAlkaff 0:7b5d37ca532f 81 //
AhmadAlkaff 0:7b5d37ca532f 82
AhmadAlkaff 0:7b5d37ca532f 83
AhmadAlkaff 0:7b5d37ca532f 84 // Called in ISR context
AhmadAlkaff 0:7b5d37ca532f 85 // Called by USBDevice on Endpoint0 request
AhmadAlkaff 0:7b5d37ca532f 86 // This is used to handle extensions to standard requests
AhmadAlkaff 0:7b5d37ca532f 87 // and class specific requests
AhmadAlkaff 0:7b5d37ca532f 88 // Return true if class handles this request
AhmadAlkaff 0:7b5d37ca532f 89 bool USBHID::USBCallback_request() {
AhmadAlkaff 0:7b5d37ca532f 90 bool success = false;
AhmadAlkaff 0:7b5d37ca532f 91 CONTROL_TRANSFER * transfer = getTransferPtr();
AhmadAlkaff 0:7b5d37ca532f 92 uint8_t *hidDescriptor;
AhmadAlkaff 0:7b5d37ca532f 93
AhmadAlkaff 0:7b5d37ca532f 94 // Process additional standard requests
AhmadAlkaff 0:7b5d37ca532f 95
AhmadAlkaff 0:7b5d37ca532f 96 if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE))
AhmadAlkaff 0:7b5d37ca532f 97 {
AhmadAlkaff 0:7b5d37ca532f 98 switch (transfer->setup.bRequest)
AhmadAlkaff 0:7b5d37ca532f 99 {
AhmadAlkaff 0:7b5d37ca532f 100 case GET_DESCRIPTOR:
AhmadAlkaff 0:7b5d37ca532f 101 switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
AhmadAlkaff 0:7b5d37ca532f 102 {
AhmadAlkaff 0:7b5d37ca532f 103 case REPORT_DESCRIPTOR:
AhmadAlkaff 0:7b5d37ca532f 104 if ((reportDesc() != NULL) \
AhmadAlkaff 0:7b5d37ca532f 105 && (reportDescLength() != 0))
AhmadAlkaff 0:7b5d37ca532f 106 {
AhmadAlkaff 0:7b5d37ca532f 107 transfer->remaining = reportDescLength();
AhmadAlkaff 0:7b5d37ca532f 108 transfer->ptr = reportDesc();
AhmadAlkaff 0:7b5d37ca532f 109 transfer->direction = DEVICE_TO_HOST;
AhmadAlkaff 0:7b5d37ca532f 110 success = true;
AhmadAlkaff 0:7b5d37ca532f 111 }
AhmadAlkaff 0:7b5d37ca532f 112 break;
AhmadAlkaff 0:7b5d37ca532f 113 case HID_DESCRIPTOR:
AhmadAlkaff 0:7b5d37ca532f 114 // Find the HID descriptor, after the configuration descriptor
AhmadAlkaff 0:7b5d37ca532f 115 hidDescriptor = findDescriptor(HID_DESCRIPTOR);
AhmadAlkaff 0:7b5d37ca532f 116 if (hidDescriptor != NULL)
AhmadAlkaff 0:7b5d37ca532f 117 {
AhmadAlkaff 0:7b5d37ca532f 118 transfer->remaining = HID_DESCRIPTOR_LENGTH;
AhmadAlkaff 0:7b5d37ca532f 119 transfer->ptr = hidDescriptor;
AhmadAlkaff 0:7b5d37ca532f 120 transfer->direction = DEVICE_TO_HOST;
AhmadAlkaff 0:7b5d37ca532f 121 success = true;
AhmadAlkaff 0:7b5d37ca532f 122 }
AhmadAlkaff 0:7b5d37ca532f 123 break;
AhmadAlkaff 0:7b5d37ca532f 124
AhmadAlkaff 0:7b5d37ca532f 125 default:
AhmadAlkaff 0:7b5d37ca532f 126 break;
AhmadAlkaff 0:7b5d37ca532f 127 }
AhmadAlkaff 0:7b5d37ca532f 128 break;
AhmadAlkaff 0:7b5d37ca532f 129 default:
AhmadAlkaff 0:7b5d37ca532f 130 break;
AhmadAlkaff 0:7b5d37ca532f 131 }
AhmadAlkaff 0:7b5d37ca532f 132 }
AhmadAlkaff 0:7b5d37ca532f 133
AhmadAlkaff 0:7b5d37ca532f 134 // Process class-specific requests
AhmadAlkaff 0:7b5d37ca532f 135
AhmadAlkaff 0:7b5d37ca532f 136 if (transfer->setup.bmRequestType.Type == CLASS_TYPE)
AhmadAlkaff 0:7b5d37ca532f 137 {
AhmadAlkaff 0:7b5d37ca532f 138 switch (transfer->setup.bRequest)
AhmadAlkaff 0:7b5d37ca532f 139 {
AhmadAlkaff 0:7b5d37ca532f 140 case SET_REPORT:
AhmadAlkaff 0:7b5d37ca532f 141 // First byte will be used for report ID
AhmadAlkaff 0:7b5d37ca532f 142 outputReport.data[0] = transfer->setup.wValue & 0xff;
AhmadAlkaff 0:7b5d37ca532f 143 outputReport.length = transfer->setup.wLength + 1;
AhmadAlkaff 0:7b5d37ca532f 144
AhmadAlkaff 0:7b5d37ca532f 145 transfer->remaining = sizeof(outputReport.data) - 1;
AhmadAlkaff 0:7b5d37ca532f 146 transfer->ptr = &outputReport.data[1];
AhmadAlkaff 0:7b5d37ca532f 147 transfer->direction = HOST_TO_DEVICE;
AhmadAlkaff 0:7b5d37ca532f 148 transfer->notify = true;
AhmadAlkaff 0:7b5d37ca532f 149 success = true;
AhmadAlkaff 0:7b5d37ca532f 150 default:
AhmadAlkaff 0:7b5d37ca532f 151 break;
AhmadAlkaff 0:7b5d37ca532f 152 }
AhmadAlkaff 0:7b5d37ca532f 153 }
AhmadAlkaff 0:7b5d37ca532f 154
AhmadAlkaff 0:7b5d37ca532f 155 return success;
AhmadAlkaff 0:7b5d37ca532f 156 }
AhmadAlkaff 0:7b5d37ca532f 157
AhmadAlkaff 0:7b5d37ca532f 158
AhmadAlkaff 0:7b5d37ca532f 159 #define DEFAULT_CONFIGURATION (1)
AhmadAlkaff 0:7b5d37ca532f 160
AhmadAlkaff 0:7b5d37ca532f 161
AhmadAlkaff 0:7b5d37ca532f 162 // Called in ISR context
AhmadAlkaff 0:7b5d37ca532f 163 // Set configuration. Return false if the
AhmadAlkaff 0:7b5d37ca532f 164 // configuration is not supported
AhmadAlkaff 0:7b5d37ca532f 165 bool USBHID::USBCallback_setConfiguration(uint8_t configuration) {
AhmadAlkaff 0:7b5d37ca532f 166 if (configuration != DEFAULT_CONFIGURATION) {
AhmadAlkaff 0:7b5d37ca532f 167 return false;
AhmadAlkaff 0:7b5d37ca532f 168 }
AhmadAlkaff 0:7b5d37ca532f 169
AhmadAlkaff 0:7b5d37ca532f 170 // Configure endpoints > 0
AhmadAlkaff 0:7b5d37ca532f 171 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
AhmadAlkaff 0:7b5d37ca532f 172 addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
AhmadAlkaff 0:7b5d37ca532f 173
AhmadAlkaff 0:7b5d37ca532f 174 // We activate the endpoint to be able to recceive data
AhmadAlkaff 0:7b5d37ca532f 175 readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
AhmadAlkaff 0:7b5d37ca532f 176 return true;
AhmadAlkaff 0:7b5d37ca532f 177 }
AhmadAlkaff 0:7b5d37ca532f 178
AhmadAlkaff 0:7b5d37ca532f 179
AhmadAlkaff 0:7b5d37ca532f 180 uint8_t * USBHID::stringIinterfaceDesc() {
AhmadAlkaff 0:7b5d37ca532f 181 static uint8_t stringIinterfaceDescriptor[] = {
AhmadAlkaff 0:7b5d37ca532f 182 0x08, //bLength
AhmadAlkaff 0:7b5d37ca532f 183 STRING_DESCRIPTOR, //bDescriptorType 0x03
AhmadAlkaff 0:7b5d37ca532f 184 'H',0,'I',0,'D',0, //bString iInterface - HID
AhmadAlkaff 0:7b5d37ca532f 185 };
AhmadAlkaff 0:7b5d37ca532f 186 return stringIinterfaceDescriptor;
AhmadAlkaff 0:7b5d37ca532f 187 }
AhmadAlkaff 0:7b5d37ca532f 188
AhmadAlkaff 0:7b5d37ca532f 189 uint8_t * USBHID::stringIproductDesc() {
AhmadAlkaff 0:7b5d37ca532f 190 static uint8_t stringIproductDescriptor[] = {
AhmadAlkaff 0:7b5d37ca532f 191 0x16, //bLength
AhmadAlkaff 0:7b5d37ca532f 192 STRING_DESCRIPTOR, //bDescriptorType 0x03
AhmadAlkaff 0:7b5d37ca532f 193 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device
AhmadAlkaff 0:7b5d37ca532f 194 };
AhmadAlkaff 0:7b5d37ca532f 195 return stringIproductDescriptor;
AhmadAlkaff 0:7b5d37ca532f 196 }
AhmadAlkaff 0:7b5d37ca532f 197
AhmadAlkaff 0:7b5d37ca532f 198
AhmadAlkaff 0:7b5d37ca532f 199
AhmadAlkaff 0:7b5d37ca532f 200 uint8_t * USBHID::reportDesc() {
AhmadAlkaff 0:7b5d37ca532f 201 static uint8_t reportDescriptor[] = {
AhmadAlkaff 0:7b5d37ca532f 202 0x06, LSB(0xFFAB), MSB(0xFFAB),
AhmadAlkaff 0:7b5d37ca532f 203 0x0A, LSB(0x0200), MSB(0x0200),
AhmadAlkaff 0:7b5d37ca532f 204 0xA1, 0x01, // Collection 0x01
AhmadAlkaff 0:7b5d37ca532f 205 0x75, 0x08, // report size = 8 bits
AhmadAlkaff 0:7b5d37ca532f 206 0x15, 0x00, // logical minimum = 0
AhmadAlkaff 0:7b5d37ca532f 207 0x26, 0xFF, 0x00, // logical maximum = 255
AhmadAlkaff 0:7b5d37ca532f 208 0x95, input_length, // report count
AhmadAlkaff 0:7b5d37ca532f 209 0x09, 0x01, // usage
AhmadAlkaff 0:7b5d37ca532f 210 0x81, 0x02, // Input (array)
AhmadAlkaff 0:7b5d37ca532f 211 0x95, output_length,// report count
AhmadAlkaff 0:7b5d37ca532f 212 0x09, 0x02, // usage
AhmadAlkaff 0:7b5d37ca532f 213 0x91, 0x02, // Output (array)
AhmadAlkaff 0:7b5d37ca532f 214 0xC0 // end collection
AhmadAlkaff 0:7b5d37ca532f 215
AhmadAlkaff 0:7b5d37ca532f 216 };
AhmadAlkaff 0:7b5d37ca532f 217 reportLength = sizeof(reportDescriptor);
AhmadAlkaff 0:7b5d37ca532f 218 return reportDescriptor;
AhmadAlkaff 0:7b5d37ca532f 219 }
AhmadAlkaff 0:7b5d37ca532f 220
AhmadAlkaff 0:7b5d37ca532f 221 #define DEFAULT_CONFIGURATION (1)
AhmadAlkaff 0:7b5d37ca532f 222 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \
AhmadAlkaff 0:7b5d37ca532f 223 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \
AhmadAlkaff 0:7b5d37ca532f 224 + (1 * HID_DESCRIPTOR_LENGTH) \
AhmadAlkaff 0:7b5d37ca532f 225 + (2 * ENDPOINT_DESCRIPTOR_LENGTH))
AhmadAlkaff 0:7b5d37ca532f 226
AhmadAlkaff 0:7b5d37ca532f 227 uint8_t * USBHID::configurationDesc() {
AhmadAlkaff 0:7b5d37ca532f 228 static uint8_t configurationDescriptor[] = {
AhmadAlkaff 0:7b5d37ca532f 229 CONFIGURATION_DESCRIPTOR_LENGTH,// bLength
AhmadAlkaff 0:7b5d37ca532f 230 CONFIGURATION_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 231 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
AhmadAlkaff 0:7b5d37ca532f 232 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
AhmadAlkaff 0:7b5d37ca532f 233 0x01, // bNumInterfaces
AhmadAlkaff 0:7b5d37ca532f 234 DEFAULT_CONFIGURATION, // bConfigurationValue
AhmadAlkaff 0:7b5d37ca532f 235 0x00, // iConfiguration
AhmadAlkaff 0:7b5d37ca532f 236 C_RESERVED | C_SELF_POWERED, // bmAttributes
AhmadAlkaff 0:7b5d37ca532f 237 C_POWER(0), // bMaxPower
AhmadAlkaff 0:7b5d37ca532f 238
AhmadAlkaff 0:7b5d37ca532f 239 INTERFACE_DESCRIPTOR_LENGTH, // bLength
AhmadAlkaff 0:7b5d37ca532f 240 INTERFACE_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 241 0x00, // bInterfaceNumber
AhmadAlkaff 0:7b5d37ca532f 242 0x00, // bAlternateSetting
AhmadAlkaff 0:7b5d37ca532f 243 0x02, // bNumEndpoints
AhmadAlkaff 0:7b5d37ca532f 244 HID_CLASS, // bInterfaceClass
AhmadAlkaff 0:7b5d37ca532f 245 HID_SUBCLASS_NONE, // bInterfaceSubClass
AhmadAlkaff 0:7b5d37ca532f 246 HID_PROTOCOL_NONE, // bInterfaceProtocol
AhmadAlkaff 0:7b5d37ca532f 247 0x00, // iInterface
AhmadAlkaff 0:7b5d37ca532f 248
AhmadAlkaff 0:7b5d37ca532f 249 HID_DESCRIPTOR_LENGTH, // bLength
AhmadAlkaff 0:7b5d37ca532f 250 HID_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 251 LSB(HID_VERSION_1_11), // bcdHID (LSB)
AhmadAlkaff 0:7b5d37ca532f 252 MSB(HID_VERSION_1_11), // bcdHID (MSB)
AhmadAlkaff 0:7b5d37ca532f 253 0x00, // bCountryCode
AhmadAlkaff 0:7b5d37ca532f 254 0x01, // bNumDescriptors
AhmadAlkaff 0:7b5d37ca532f 255 REPORT_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 256 (uint8_t)(LSB(this->reportDescLength())), // wDescriptorLength (LSB)
AhmadAlkaff 0:7b5d37ca532f 257 (uint8_t)(MSB(this->reportDescLength())), // wDescriptorLength (MSB)
AhmadAlkaff 0:7b5d37ca532f 258
AhmadAlkaff 0:7b5d37ca532f 259 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
AhmadAlkaff 0:7b5d37ca532f 260 ENDPOINT_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 261 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
AhmadAlkaff 0:7b5d37ca532f 262 E_INTERRUPT, // bmAttributes
AhmadAlkaff 0:7b5d37ca532f 263 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
AhmadAlkaff 0:7b5d37ca532f 264 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
AhmadAlkaff 0:7b5d37ca532f 265 1, // bInterval (milliseconds)
AhmadAlkaff 0:7b5d37ca532f 266
AhmadAlkaff 0:7b5d37ca532f 267 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
AhmadAlkaff 0:7b5d37ca532f 268 ENDPOINT_DESCRIPTOR, // bDescriptorType
AhmadAlkaff 0:7b5d37ca532f 269 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress
AhmadAlkaff 0:7b5d37ca532f 270 E_INTERRUPT, // bmAttributes
AhmadAlkaff 0:7b5d37ca532f 271 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
AhmadAlkaff 0:7b5d37ca532f 272 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
AhmadAlkaff 0:7b5d37ca532f 273 1, // bInterval (milliseconds)
AhmadAlkaff 0:7b5d37ca532f 274 };
AhmadAlkaff 0:7b5d37ca532f 275 return configurationDescriptor;
AhmadAlkaff 0:7b5d37ca532f 276 }