Dieter Graef / DISCO_F746NG_USBDevice

partly working USB Device lib for STM32F746NG Discovery both Interface are working

Dependents:   DISCO-F746NG-USB_Device McLighTT project_Keyboard_to_the_Keyboard MIDIInstrumentPADProject ... more

USBSerial/USBCDC.cpp@0:0a2eaa300982, 2016-07-31 (annotated)

Committer:
DieterGraef
Date:
Sun Jul 31 17:47:35 2016 +0000
Revision:
0:0a2eaa300982
partly working USB Device library - serial and MIDI is working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DieterGraef 0:0a2eaa300982 1 /* Copyright (c) 2010-2011 mbed.org, MIT License
DieterGraef 0:0a2eaa300982 2 *
DieterGraef 0:0a2eaa300982 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
DieterGraef 0:0a2eaa300982 4 * and associated documentation files (the "Software"), to deal in the Software without
DieterGraef 0:0a2eaa300982 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
DieterGraef 0:0a2eaa300982 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
DieterGraef 0:0a2eaa300982 7 * Software is furnished to do so, subject to the following conditions:
DieterGraef 0:0a2eaa300982 8 *
DieterGraef 0:0a2eaa300982 9 * The above copyright notice and this permission notice shall be included in all copies or
DieterGraef 0:0a2eaa300982 10 * substantial portions of the Software.
DieterGraef 0:0a2eaa300982 11 *
DieterGraef 0:0a2eaa300982 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
DieterGraef 0:0a2eaa300982 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
DieterGraef 0:0a2eaa300982 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DieterGraef 0:0a2eaa300982 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DieterGraef 0:0a2eaa300982 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
DieterGraef 0:0a2eaa300982 17 */
DieterGraef 0:0a2eaa300982 18
DieterGraef 0:0a2eaa300982 19 #include "stdint.h"
DieterGraef 0:0a2eaa300982 20 #include "USBCDC.h"
DieterGraef 0:0a2eaa300982 21
DieterGraef 0:0a2eaa300982 22 static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08};
DieterGraef 0:0a2eaa300982 23
DieterGraef 0:0a2eaa300982 24 #define DEFAULT_CONFIGURATION (1)
DieterGraef 0:0a2eaa300982 25
DieterGraef 0:0a2eaa300982 26 #define CDC_SET_LINE_CODING 0x20
DieterGraef 0:0a2eaa300982 27 #define CDC_GET_LINE_CODING 0x21
DieterGraef 0:0a2eaa300982 28 #define CDC_SET_CONTROL_LINE_STATE 0x22
DieterGraef 0:0a2eaa300982 29
DieterGraef 0:0a2eaa300982 30 // Control Line State bits
DieterGraef 0:0a2eaa300982 31 #define CLS_DTR (1 << 0)
DieterGraef 0:0a2eaa300982 32 #define CLS_RTS (1 << 1)
DieterGraef 0:0a2eaa300982 33
DieterGraef 0:0a2eaa300982 34 #define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK
DieterGraef 0:0a2eaa300982 35
DieterGraef 0:0a2eaa300982 36 USBCDC::USBCDC(uint16_t HW_Interface, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking): USBDevice(HW_Interface,vendor_id, product_id, product_release) {
DieterGraef 0:0a2eaa300982 37 terminal_connected = false;
DieterGraef 0:0a2eaa300982 38 USBDevice::connect(connect_blocking);
DieterGraef 0:0a2eaa300982 39
DieterGraef 0:0a2eaa300982 40 }
DieterGraef 0:0a2eaa300982 41
DieterGraef 0:0a2eaa300982 42 bool USBCDC::USBCallback_request(void) {
DieterGraef 0:0a2eaa300982 43 /* Called in ISR context */
DieterGraef 0:0a2eaa300982 44
DieterGraef 0:0a2eaa300982 45 bool success = false;
DieterGraef 0:0a2eaa300982 46 CONTROL_TRANSFER * transfer = getTransferPtr();
DieterGraef 0:0a2eaa300982 47
DieterGraef 0:0a2eaa300982 48 /* Process class-specific requests */
DieterGraef 0:0a2eaa300982 49
DieterGraef 0:0a2eaa300982 50 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
DieterGraef 0:0a2eaa300982 51 switch (transfer->setup.bRequest) {
DieterGraef 0:0a2eaa300982 52 case CDC_GET_LINE_CODING:
DieterGraef 0:0a2eaa300982 53 transfer->remaining = 7;
DieterGraef 0:0a2eaa300982 54 transfer->ptr = cdc_line_coding;
DieterGraef 0:0a2eaa300982 55 transfer->direction = DEVICE_TO_HOST;
DieterGraef 0:0a2eaa300982 56 success = true;
DieterGraef 0:0a2eaa300982 57 break;
DieterGraef 0:0a2eaa300982 58 case CDC_SET_LINE_CODING:
DieterGraef 0:0a2eaa300982 59 transfer->remaining = 7;
DieterGraef 0:0a2eaa300982 60 transfer->notify = true;
DieterGraef 0:0a2eaa300982 61 success = true;
DieterGraef 0:0a2eaa300982 62 break;
DieterGraef 0:0a2eaa300982 63 case CDC_SET_CONTROL_LINE_STATE:
DieterGraef 0:0a2eaa300982 64 if (transfer->setup.wValue & CLS_DTR) {
DieterGraef 0:0a2eaa300982 65 terminal_connected = true;
DieterGraef 0:0a2eaa300982 66 } else {
DieterGraef 0:0a2eaa300982 67 terminal_connected = false;
DieterGraef 0:0a2eaa300982 68 }
DieterGraef 0:0a2eaa300982 69 success = true;
DieterGraef 0:0a2eaa300982 70 break;
DieterGraef 0:0a2eaa300982 71 default:
DieterGraef 0:0a2eaa300982 72 break;
DieterGraef 0:0a2eaa300982 73 }
DieterGraef 0:0a2eaa300982 74 }
DieterGraef 0:0a2eaa300982 75
DieterGraef 0:0a2eaa300982 76 return success;
DieterGraef 0:0a2eaa300982 77 }
DieterGraef 0:0a2eaa300982 78
DieterGraef 0:0a2eaa300982 79 void USBCDC::USBCallback_requestCompleted(uint8_t *buf, uint32_t length) {
DieterGraef 0:0a2eaa300982 80 // Request of setting line coding has 7 bytes
DieterGraef 0:0a2eaa300982 81 if (length != 7) {
DieterGraef 0:0a2eaa300982 82 return;
DieterGraef 0:0a2eaa300982 83 }
DieterGraef 0:0a2eaa300982 84
DieterGraef 0:0a2eaa300982 85 CONTROL_TRANSFER * transfer = getTransferPtr();
DieterGraef 0:0a2eaa300982 86
DieterGraef 0:0a2eaa300982 87 /* Process class-specific requests */
DieterGraef 0:0a2eaa300982 88 if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
DieterGraef 0:0a2eaa300982 89 if (transfer->setup.bRequest == CDC_SET_LINE_CODING) {
DieterGraef 0:0a2eaa300982 90 if (memcmp(cdc_line_coding, buf, 7)) {
DieterGraef 0:0a2eaa300982 91 memcpy(cdc_line_coding, buf, 7);
DieterGraef 0:0a2eaa300982 92
DieterGraef 0:0a2eaa300982 93 int baud = buf[0] + (buf[1] << 8)
DieterGraef 0:0a2eaa300982 94 + (buf[2] << 16) + (buf[3] << 24);
DieterGraef 0:0a2eaa300982 95 int stop = buf[4];
DieterGraef 0:0a2eaa300982 96 int bits = buf[6];
DieterGraef 0:0a2eaa300982 97 int parity = buf[5];
DieterGraef 0:0a2eaa300982 98
DieterGraef 0:0a2eaa300982 99 lineCodingChanged(baud, bits, parity, stop);
DieterGraef 0:0a2eaa300982 100 }
DieterGraef 0:0a2eaa300982 101 }
DieterGraef 0:0a2eaa300982 102 }
DieterGraef 0:0a2eaa300982 103 }
DieterGraef 0:0a2eaa300982 104
DieterGraef 0:0a2eaa300982 105 // Called in ISR context
DieterGraef 0:0a2eaa300982 106 // Set configuration. Return false if the
DieterGraef 0:0a2eaa300982 107 // configuration is not supported.
DieterGraef 0:0a2eaa300982 108 bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) {
DieterGraef 0:0a2eaa300982 109 if (configuration != DEFAULT_CONFIGURATION) {
DieterGraef 0:0a2eaa300982 110 return false;
DieterGraef 0:0a2eaa300982 111 }
DieterGraef 0:0a2eaa300982 112
DieterGraef 0:0a2eaa300982 113 // Configure endpoints > 0
DieterGraef 0:0a2eaa300982 114 addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
DieterGraef 0:0a2eaa300982 115 addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK);
DieterGraef 0:0a2eaa300982 116 addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
DieterGraef 0:0a2eaa300982 117
DieterGraef 0:0a2eaa300982 118 // We activate the endpoint to be able to recceive data
DieterGraef 0:0a2eaa300982 119 readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK);
DieterGraef 0:0a2eaa300982 120 return true;
DieterGraef 0:0a2eaa300982 121 }
DieterGraef 0:0a2eaa300982 122
DieterGraef 0:0a2eaa300982 123 bool USBCDC::send(uint8_t * buffer, uint32_t size) {
DieterGraef 0:0a2eaa300982 124 return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE);
DieterGraef 0:0a2eaa300982 125 }
DieterGraef 0:0a2eaa300982 126
DieterGraef 0:0a2eaa300982 127 bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) {
DieterGraef 0:0a2eaa300982 128 if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
DieterGraef 0:0a2eaa300982 129 return false;
DieterGraef 0:0a2eaa300982 130 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
DieterGraef 0:0a2eaa300982 131 return false;
DieterGraef 0:0a2eaa300982 132 return true;
DieterGraef 0:0a2eaa300982 133 }
DieterGraef 0:0a2eaa300982 134
DieterGraef 0:0a2eaa300982 135 bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) {
DieterGraef 0:0a2eaa300982 136 if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE))
DieterGraef 0:0a2eaa300982 137 return false;
DieterGraef 0:0a2eaa300982 138 if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE))
DieterGraef 0:0a2eaa300982 139 return false;
DieterGraef 0:0a2eaa300982 140 return true;
DieterGraef 0:0a2eaa300982 141 }
DieterGraef 0:0a2eaa300982 142
DieterGraef 0:0a2eaa300982 143
DieterGraef 0:0a2eaa300982 144 uint8_t * USBCDC::deviceDesc() {
DieterGraef 0:0a2eaa300982 145 static uint8_t deviceDescriptor[] = {
DieterGraef 0:0a2eaa300982 146 18, // bLength
DieterGraef 0:0a2eaa300982 147 DEVICE_DESCRIPTOR, // bDescriptorType
DieterGraef 0:0a2eaa300982 148 LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
DieterGraef 0:0a2eaa300982 149 MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
DieterGraef 0:0a2eaa300982 150 0, // bDeviceClass
DieterGraef 0:0a2eaa300982 151 0, // bDeviceSubClass
DieterGraef 0:0a2eaa300982 152 0, // bDeviceProtocol
DieterGraef 0:0a2eaa300982 153 MAX_PACKET_SIZE_EP0, // bMaxPacketSize0
DieterGraef 0:0a2eaa300982 154 (uint8_t)(LSB(VENDOR_ID)), (uint8_t)(MSB(VENDOR_ID)), // idVendor
DieterGraef 0:0a2eaa300982 155 (uint8_t)(LSB(PRODUCT_ID)), (uint8_t)(MSB(PRODUCT_ID)), // idProduct
DieterGraef 0:0a2eaa300982 156 0x00, 0x02, // bcdDevice
DieterGraef 0:0a2eaa300982 157 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
DieterGraef 0:0a2eaa300982 158 STRING_OFFSET_IPRODUCT, /* iProduct */
DieterGraef 0:0a2eaa300982 159 STRING_OFFSET_ISERIAL, /* iSerialNumber */
DieterGraef 0:0a2eaa300982 160 0x01 /* bNumConfigurations */
DieterGraef 0:0a2eaa300982 161 };
DieterGraef 0:0a2eaa300982 162 return deviceDescriptor;
DieterGraef 0:0a2eaa300982 163 }
DieterGraef 0:0a2eaa300982 164
DieterGraef 0:0a2eaa300982 165 uint8_t * USBCDC::stringIinterfaceDesc() {
DieterGraef 0:0a2eaa300982 166 static uint8_t stringIinterfaceDescriptor[] = {
DieterGraef 0:0a2eaa300982 167 0x08,
DieterGraef 0:0a2eaa300982 168 STRING_DESCRIPTOR,
DieterGraef 0:0a2eaa300982 169 'C',0,'D',0,'C',0,
DieterGraef 0:0a2eaa300982 170 };
DieterGraef 0:0a2eaa300982 171 return stringIinterfaceDescriptor;
DieterGraef 0:0a2eaa300982 172 }
DieterGraef 0:0a2eaa300982 173
DieterGraef 0:0a2eaa300982 174 uint8_t * USBCDC::stringIproductDesc() {
DieterGraef 0:0a2eaa300982 175 static uint8_t stringIproductDescriptor[] = {
DieterGraef 0:0a2eaa300982 176 0x16,
DieterGraef 0:0a2eaa300982 177 STRING_DESCRIPTOR,
DieterGraef 0:0a2eaa300982 178 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0
DieterGraef 0:0a2eaa300982 179 };
DieterGraef 0:0a2eaa300982 180 return stringIproductDescriptor;
DieterGraef 0:0a2eaa300982 181 }
DieterGraef 0:0a2eaa300982 182
DieterGraef 0:0a2eaa300982 183
DieterGraef 0:0a2eaa300982 184 #define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7)
DieterGraef 0:0a2eaa300982 185
DieterGraef 0:0a2eaa300982 186 uint8_t * USBCDC::configurationDesc() {
DieterGraef 0:0a2eaa300982 187 static uint8_t configDescriptor[] = {
DieterGraef 0:0a2eaa300982 188 // configuration descriptor
DieterGraef 0:0a2eaa300982 189 9, // bLength
DieterGraef 0:0a2eaa300982 190 2, // bDescriptorType
DieterGraef 0:0a2eaa300982 191 LSB(CONFIG1_DESC_SIZE), // wTotalLength
DieterGraef 0:0a2eaa300982 192 MSB(CONFIG1_DESC_SIZE),
DieterGraef 0:0a2eaa300982 193 2, // bNumInterfaces
DieterGraef 0:0a2eaa300982 194 1, // bConfigurationValue
DieterGraef 0:0a2eaa300982 195 0, // iConfiguration
DieterGraef 0:0a2eaa300982 196 0x80, // bmAttributes
DieterGraef 0:0a2eaa300982 197 50, // bMaxPower
DieterGraef 0:0a2eaa300982 198
DieterGraef 0:0a2eaa300982 199 // IAD to associate the two CDC interfaces
DieterGraef 0:0a2eaa300982 200 0x08, // bLength
DieterGraef 0:0a2eaa300982 201 0x0b, // bDescriptorType
DieterGraef 0:0a2eaa300982 202 0x00, // bFirstInterface
DieterGraef 0:0a2eaa300982 203 0x02, // bInterfaceCount
DieterGraef 0:0a2eaa300982 204 0x02, // bFunctionClass
DieterGraef 0:0a2eaa300982 205 0x02, // bFunctionSubClass
DieterGraef 0:0a2eaa300982 206 0, // bFunctionProtocol
DieterGraef 0:0a2eaa300982 207 0, // iFunction
DieterGraef 0:0a2eaa300982 208
DieterGraef 0:0a2eaa300982 209 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
DieterGraef 0:0a2eaa300982 210 9, // bLength
DieterGraef 0:0a2eaa300982 211 4, // bDescriptorType
DieterGraef 0:0a2eaa300982 212 0, // bInterfaceNumber
DieterGraef 0:0a2eaa300982 213 0, // bAlternateSetting
DieterGraef 0:0a2eaa300982 214 1, // bNumEndpoints
DieterGraef 0:0a2eaa300982 215 0x02, // bInterfaceClass
DieterGraef 0:0a2eaa300982 216 0x02, // bInterfaceSubClass
DieterGraef 0:0a2eaa300982 217 0x01, // bInterfaceProtocol
DieterGraef 0:0a2eaa300982 218 0, // iInterface
DieterGraef 0:0a2eaa300982 219
DieterGraef 0:0a2eaa300982 220 // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
DieterGraef 0:0a2eaa300982 221 5, // bFunctionLength
DieterGraef 0:0a2eaa300982 222 0x24, // bDescriptorType
DieterGraef 0:0a2eaa300982 223 0x00, // bDescriptorSubtype
DieterGraef 0:0a2eaa300982 224 0x10, 0x01, // bcdCDC
DieterGraef 0:0a2eaa300982 225
DieterGraef 0:0a2eaa300982 226 // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
DieterGraef 0:0a2eaa300982 227 5, // bFunctionLength
DieterGraef 0:0a2eaa300982 228 0x24, // bDescriptorType
DieterGraef 0:0a2eaa300982 229 0x01, // bDescriptorSubtype
DieterGraef 0:0a2eaa300982 230 0x03, // bmCapabilities
DieterGraef 0:0a2eaa300982 231 1, // bDataInterface
DieterGraef 0:0a2eaa300982 232
DieterGraef 0:0a2eaa300982 233 // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
DieterGraef 0:0a2eaa300982 234 4, // bFunctionLength
DieterGraef 0:0a2eaa300982 235 0x24, // bDescriptorType
DieterGraef 0:0a2eaa300982 236 0x02, // bDescriptorSubtype
DieterGraef 0:0a2eaa300982 237 0x06, // bmCapabilities
DieterGraef 0:0a2eaa300982 238
DieterGraef 0:0a2eaa300982 239 // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
DieterGraef 0:0a2eaa300982 240 5, // bFunctionLength
DieterGraef 0:0a2eaa300982 241 0x24, // bDescriptorType
DieterGraef 0:0a2eaa300982 242 0x06, // bDescriptorSubtype
DieterGraef 0:0a2eaa300982 243 0, // bMasterInterface
DieterGraef 0:0a2eaa300982 244 1, // bSlaveInterface0
DieterGraef 0:0a2eaa300982 245
DieterGraef 0:0a2eaa300982 246 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
DieterGraef 0:0a2eaa300982 247 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
DieterGraef 0:0a2eaa300982 248 ENDPOINT_DESCRIPTOR, // bDescriptorType
DieterGraef 0:0a2eaa300982 249 PHY_TO_DESC(EPINT_IN), // bEndpointAddress
DieterGraef 0:0a2eaa300982 250 E_INTERRUPT, // bmAttributes (0x03=intr)
DieterGraef 0:0a2eaa300982 251 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
DieterGraef 0:0a2eaa300982 252 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
DieterGraef 0:0a2eaa300982 253 16, // bInterval
DieterGraef 0:0a2eaa300982 254
DieterGraef 0:0a2eaa300982 255
DieterGraef 0:0a2eaa300982 256
DieterGraef 0:0a2eaa300982 257
DieterGraef 0:0a2eaa300982 258 // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
DieterGraef 0:0a2eaa300982 259 9, // bLength
DieterGraef 0:0a2eaa300982 260 4, // bDescriptorType
DieterGraef 0:0a2eaa300982 261 1, // bInterfaceNumber
DieterGraef 0:0a2eaa300982 262 0, // bAlternateSetting
DieterGraef 0:0a2eaa300982 263 2, // bNumEndpoints
DieterGraef 0:0a2eaa300982 264 0x0A, // bInterfaceClass
DieterGraef 0:0a2eaa300982 265 0x00, // bInterfaceSubClass
DieterGraef 0:0a2eaa300982 266 0x00, // bInterfaceProtocol
DieterGraef 0:0a2eaa300982 267 0, // iInterface
DieterGraef 0:0a2eaa300982 268
DieterGraef 0:0a2eaa300982 269 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
DieterGraef 0:0a2eaa300982 270 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
DieterGraef 0:0a2eaa300982 271 ENDPOINT_DESCRIPTOR, // bDescriptorType
DieterGraef 0:0a2eaa300982 272 PHY_TO_DESC(EPBULK_IN), // bEndpointAddress
DieterGraef 0:0a2eaa300982 273 E_BULK, // bmAttributes (0x02=bulk)
DieterGraef 0:0a2eaa300982 274 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
DieterGraef 0:0a2eaa300982 275 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
DieterGraef 0:0a2eaa300982 276 0, // bInterval
DieterGraef 0:0a2eaa300982 277
DieterGraef 0:0a2eaa300982 278 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
DieterGraef 0:0a2eaa300982 279 ENDPOINT_DESCRIPTOR_LENGTH, // bLength
DieterGraef 0:0a2eaa300982 280 ENDPOINT_DESCRIPTOR, // bDescriptorType
DieterGraef 0:0a2eaa300982 281 PHY_TO_DESC(EPBULK_OUT), // bEndpointAddress
DieterGraef 0:0a2eaa300982 282 E_BULK, // bmAttributes (0x02=bulk)
DieterGraef 0:0a2eaa300982 283 LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB)
DieterGraef 0:0a2eaa300982 284 MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB)
DieterGraef 0:0a2eaa300982 285 0 // bInterval
DieterGraef 0:0a2eaa300982 286 };
DieterGraef 0:0a2eaa300982 287 return configDescriptor;
DieterGraef 0:0a2eaa300982 288 }