Ales Povalac / USBDeviceLite

USB device stack, fixes for USBSerial, lightweight without malloc (RTOS ready)

Dependents:   EMIRv2

Fork of USBDevice by Ales Povalac

USBDevice/USBDevice.cpp@26:419386cf801c, 2014-07-30 (annotated)

Committer:
alpov
Date:
Wed Jul 30 19:01:27 2014 +0000
Revision:
26:419386cf801c
Parent:
18:78bdbce94509 
fixed USB3 support according to https://mbed.org/questions/2599/Is-USBSerial-giving-problems-on-new-Hasw/#answer4609

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
samux 1:80ab0d068708 21 #include "USBEndpoints.h"
samux 1:80ab0d068708 22 #include "USBDevice.h"
samux 1:80ab0d068708 23 #include "USBDescriptor.h"
samux 1:80ab0d068708 24
samux 1:80ab0d068708 25 //#define DEBUG
samux 1:80ab0d068708 26
samux 1:80ab0d068708 27 /* Device status */
samux 1:80ab0d068708 28 #define DEVICE_STATUS_SELF_POWERED (1U<<0)
samux 1:80ab0d068708 29 #define DEVICE_STATUS_REMOTE_WAKEUP (1U<<1)
samux 1:80ab0d068708 30
samux 1:80ab0d068708 31 /* Endpoint status */
samux 1:80ab0d068708 32 #define ENDPOINT_STATUS_HALT (1U<<0)
samux 1:80ab0d068708 33
samux 1:80ab0d068708 34 /* Standard feature selectors */
samux 1:80ab0d068708 35 #define DEVICE_REMOTE_WAKEUP (1)
samux 1:80ab0d068708 36 #define ENDPOINT_HALT (0)
samux 1:80ab0d068708 37
samux 1:80ab0d068708 38 /* Macro to convert wIndex endpoint number to physical endpoint number */
samux 1:80ab0d068708 39 #define WINDEX_TO_PHYSICAL(endpoint) (((endpoint & 0x0f) << 1) + \
samux 1:80ab0d068708 40 ((endpoint & 0x80) ? 1 : 0))
samux 1:80ab0d068708 41
samux 1:80ab0d068708 42
samux 1:80ab0d068708 43 bool USBDevice::requestGetDescriptor(void)
samux 1:80ab0d068708 44 {
samux 1:80ab0d068708 45 bool success = false;
samux 1:80ab0d068708 46 #ifdef DEBUG
samux 1:80ab0d068708 47 printf("get descr: type: %d\r\n", DESCRIPTOR_TYPE(transfer.setup.wValue));
samux 1:80ab0d068708 48 #endif
samux 1:80ab0d068708 49 switch (DESCRIPTOR_TYPE(transfer.setup.wValue))
samux 1:80ab0d068708 50 {
samux 1:80ab0d068708 51 case DEVICE_DESCRIPTOR:
samux 1:80ab0d068708 52 if (deviceDesc() != NULL)
samux 1:80ab0d068708 53 {
samux 1:80ab0d068708 54 if ((deviceDesc()[0] == DEVICE_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 55 && (deviceDesc()[1] == DEVICE_DESCRIPTOR))
samux 1:80ab0d068708 56 {
samux 1:80ab0d068708 57 #ifdef DEBUG
samux 1:80ab0d068708 58 printf("device descr\r\n");
samux 1:80ab0d068708 59 #endif
samux 1:80ab0d068708 60 transfer.remaining = DEVICE_DESCRIPTOR_LENGTH;
samux 1:80ab0d068708 61 transfer.ptr = deviceDesc();
samux 1:80ab0d068708 62 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 63 success = true;
samux 1:80ab0d068708 64 }
samux 1:80ab0d068708 65 }
samux 1:80ab0d068708 66 break;
samux 1:80ab0d068708 67 case CONFIGURATION_DESCRIPTOR:
samux 1:80ab0d068708 68 if (configurationDesc() != NULL)
samux 1:80ab0d068708 69 {
samux 1:80ab0d068708 70 if ((configurationDesc()[0] == CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 71 && (configurationDesc()[1] == CONFIGURATION_DESCRIPTOR))
samux 1:80ab0d068708 72 {
samux 1:80ab0d068708 73 #ifdef DEBUG
samux 1:80ab0d068708 74 printf("conf descr request\r\n");
samux 1:80ab0d068708 75 #endif
samux 1:80ab0d068708 76 /* Get wTotalLength */
samux 1:80ab0d068708 77 transfer.remaining = configurationDesc()[2] \
samux 1:80ab0d068708 78 | (configurationDesc()[3] << 8);
samux 1:80ab0d068708 79
samux 1:80ab0d068708 80 transfer.ptr = configurationDesc();
samux 1:80ab0d068708 81 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 82 success = true;
samux 1:80ab0d068708 83 }
samux 1:80ab0d068708 84 }
samux 1:80ab0d068708 85 break;
samux 1:80ab0d068708 86 case STRING_DESCRIPTOR:
samux 1:80ab0d068708 87 #ifdef DEBUG
samux 1:80ab0d068708 88 printf("str descriptor\r\n");
samux 1:80ab0d068708 89 #endif
samux 1:80ab0d068708 90 switch (DESCRIPTOR_INDEX(transfer.setup.wValue))
samux 1:80ab0d068708 91 {
samux 1:80ab0d068708 92 case STRING_OFFSET_LANGID:
samux 1:80ab0d068708 93 #ifdef DEBUG
samux 1:80ab0d068708 94 printf("1\r\n");
samux 1:80ab0d068708 95 #endif
samux 1:80ab0d068708 96 transfer.remaining = stringLangidDesc()[0];
samux 1:80ab0d068708 97 transfer.ptr = stringLangidDesc();
samux 1:80ab0d068708 98 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 99 success = true;
samux 1:80ab0d068708 100 break;
samux 1:80ab0d068708 101 case STRING_OFFSET_IMANUFACTURER:
samux 1:80ab0d068708 102 #ifdef DEBUG
samux 1:80ab0d068708 103 printf("2\r\n");
samux 1:80ab0d068708 104 #endif
samux 1:80ab0d068708 105 transfer.remaining = stringImanufacturerDesc()[0];
samux 1:80ab0d068708 106 transfer.ptr = stringImanufacturerDesc();
samux 1:80ab0d068708 107 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 108 success = true;
samux 1:80ab0d068708 109 break;
samux 1:80ab0d068708 110 case STRING_OFFSET_IPRODUCT:
samux 1:80ab0d068708 111 #ifdef DEBUG
samux 1:80ab0d068708 112 printf("3\r\n");
samux 1:80ab0d068708 113 #endif
samux 1:80ab0d068708 114 transfer.remaining = stringIproductDesc()[0];
samux 1:80ab0d068708 115 transfer.ptr = stringIproductDesc();
samux 1:80ab0d068708 116 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 117 success = true;
samux 1:80ab0d068708 118 break;
samux 1:80ab0d068708 119 case STRING_OFFSET_ISERIAL:
samux 1:80ab0d068708 120 #ifdef DEBUG
samux 1:80ab0d068708 121 printf("4\r\n");
samux 1:80ab0d068708 122 #endif
samux 1:80ab0d068708 123 transfer.remaining = stringIserialDesc()[0];
samux 1:80ab0d068708 124 transfer.ptr = stringIserialDesc();
samux 1:80ab0d068708 125 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 126 success = true;
samux 1:80ab0d068708 127 break;
samux 1:80ab0d068708 128 case STRING_OFFSET_ICONFIGURATION:
samux 1:80ab0d068708 129 #ifdef DEBUG
samux 1:80ab0d068708 130 printf("5\r\n");
samux 1:80ab0d068708 131 #endif
samux 1:80ab0d068708 132 transfer.remaining = stringIConfigurationDesc()[0];
samux 1:80ab0d068708 133 transfer.ptr = stringIConfigurationDesc();
samux 1:80ab0d068708 134 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 135 success = true;
samux 1:80ab0d068708 136 break;
samux 1:80ab0d068708 137 case STRING_OFFSET_IINTERFACE:
samux 1:80ab0d068708 138 #ifdef DEBUG
samux 1:80ab0d068708 139 printf("6\r\n");
samux 1:80ab0d068708 140 #endif
samux 1:80ab0d068708 141 transfer.remaining = stringIinterfaceDesc()[0];
samux 1:80ab0d068708 142 transfer.ptr = stringIinterfaceDesc();
samux 1:80ab0d068708 143 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 144 success = true;
samux 1:80ab0d068708 145 break;
samux 1:80ab0d068708 146 }
samux 1:80ab0d068708 147 break;
samux 1:80ab0d068708 148 case INTERFACE_DESCRIPTOR:
samux 1:80ab0d068708 149 #ifdef DEBUG
samux 1:80ab0d068708 150 printf("interface descr\r\n");
samux 1:80ab0d068708 151 #endif
samux 1:80ab0d068708 152 case ENDPOINT_DESCRIPTOR:
samux 1:80ab0d068708 153 #ifdef DEBUG
samux 1:80ab0d068708 154 printf("endpoint descr\r\n");
samux 1:80ab0d068708 155 #endif
samux 1:80ab0d068708 156 /* TODO: Support is optional, not implemented here */
samux 1:80ab0d068708 157 break;
samux 1:80ab0d068708 158 default:
samux 1:80ab0d068708 159 #ifdef DEBUG
samux 1:80ab0d068708 160 printf("ERROR\r\n");
samux 1:80ab0d068708 161 #endif
samux 1:80ab0d068708 162 break;
samux 1:80ab0d068708 163 }
samux 1:80ab0d068708 164
samux 1:80ab0d068708 165 return success;
samux 1:80ab0d068708 166 }
samux 1:80ab0d068708 167
samux 1:80ab0d068708 168 void USBDevice::decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet)
samux 1:80ab0d068708 169 {
samux 1:80ab0d068708 170 /* Fill in the elements of a SETUP_PACKET structure from raw data */
samux 1:80ab0d068708 171 packet->bmRequestType.dataTransferDirection = (data[0] & 0x80) >> 7;
samux 1:80ab0d068708 172 packet->bmRequestType.Type = (data[0] & 0x60) >> 5;
samux 1:80ab0d068708 173 packet->bmRequestType.Recipient = data[0] & 0x1f;
samux 1:80ab0d068708 174 packet->bRequest = data[1];
samux 1:80ab0d068708 175 packet->wValue = (data[2] | (uint16_t)data[3] << 8);
samux 1:80ab0d068708 176 packet->wIndex = (data[4] | (uint16_t)data[5] << 8);
samux 1:80ab0d068708 177 packet->wLength = (data[6] | (uint16_t)data[7] << 8);
samux 1:80ab0d068708 178 }
samux 1:80ab0d068708 179
samux 1:80ab0d068708 180
samux 1:80ab0d068708 181 bool USBDevice::controlOut(void)
samux 1:80ab0d068708 182 {
samux 1:80ab0d068708 183 /* Control transfer data OUT stage */
samux 1:80ab0d068708 184 uint8_t buffer[MAX_PACKET_SIZE_EP0];
samux 1:80ab0d068708 185 uint32_t packetSize;
samux 1:80ab0d068708 186
samux 1:80ab0d068708 187 /* Check we should be transferring data OUT */
samux 1:80ab0d068708 188 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 189 {
alpov 26:419386cf801c 190 controlIn();
alpov 26:419386cf801c 191 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 192 return false;
samux 1:80ab0d068708 193 }
samux 1:80ab0d068708 194
samux 1:80ab0d068708 195 /* Read from endpoint */
samux 1:80ab0d068708 196 packetSize = EP0getReadResult(buffer);
samux 1:80ab0d068708 197
samux 1:80ab0d068708 198 /* Check if transfer size is valid */
samux 1:80ab0d068708 199 if (packetSize > transfer.remaining)
samux 1:80ab0d068708 200 {
samux 1:80ab0d068708 201 /* Too big */
samux 1:80ab0d068708 202 return false;
samux 1:80ab0d068708 203 }
samux 1:80ab0d068708 204
samux 1:80ab0d068708 205 /* Update transfer */
samux 1:80ab0d068708 206 transfer.ptr += packetSize;
samux 1:80ab0d068708 207 transfer.remaining -= packetSize;
samux 1:80ab0d068708 208
samux 1:80ab0d068708 209 /* Check if transfer has completed */
samux 1:80ab0d068708 210 if (transfer.remaining == 0)
samux 1:80ab0d068708 211 {
samux 1:80ab0d068708 212 /* Transfer completed */
samux 1:80ab0d068708 213 if (transfer.notify)
samux 1:80ab0d068708 214 {
samux 1:80ab0d068708 215 /* Notify class layer. */
samux 1:80ab0d068708 216 USBCallback_requestCompleted(buffer, packetSize);
samux 1:80ab0d068708 217 transfer.notify = false;
samux 1:80ab0d068708 218 }
samux 1:80ab0d068708 219 /* Status stage */
samux 1:80ab0d068708 220 EP0write(NULL, 0);
samux 1:80ab0d068708 221 }
samux 1:80ab0d068708 222 else
samux 1:80ab0d068708 223 {
samux 1:80ab0d068708 224 EP0read();
samux 1:80ab0d068708 225 }
samux 1:80ab0d068708 226
samux 1:80ab0d068708 227 return true;
samux 1:80ab0d068708 228 }
samux 1:80ab0d068708 229
samux 1:80ab0d068708 230 bool USBDevice::controlIn(void)
samux 1:80ab0d068708 231 {
samux 1:80ab0d068708 232 /* Control transfer data IN stage */
samux 1:80ab0d068708 233 uint32_t packetSize;
samux 1:80ab0d068708 234
samux 1:80ab0d068708 235 /* Check if transfer has completed (status stage transactions */
samux 1:80ab0d068708 236 /* also have transfer.remaining == 0) */
samux 1:80ab0d068708 237 if (transfer.remaining == 0)
samux 1:80ab0d068708 238 {
samux 1:80ab0d068708 239 if (transfer.zlp)
samux 1:80ab0d068708 240 {
samux 1:80ab0d068708 241 /* Send zero length packet */
samux 1:80ab0d068708 242 EP0write(NULL, 0);
samux 1:80ab0d068708 243 transfer.zlp = false;
samux 1:80ab0d068708 244 }
samux 1:80ab0d068708 245
samux 1:80ab0d068708 246 /* Transfer completed */
samux 1:80ab0d068708 247 if (transfer.notify)
samux 1:80ab0d068708 248 {
samux 1:80ab0d068708 249 /* Notify class layer. */
samux 1:80ab0d068708 250 USBCallback_requestCompleted(NULL, 0);
samux 1:80ab0d068708 251 transfer.notify = false;
samux 1:80ab0d068708 252 }
samux 1:80ab0d068708 253
samux 1:80ab0d068708 254 EP0read();
samux 8:335f2506f422 255 EP0readStage();
samux 1:80ab0d068708 256
samux 1:80ab0d068708 257 /* Completed */
samux 1:80ab0d068708 258 return true;
samux 1:80ab0d068708 259 }
samux 1:80ab0d068708 260
samux 1:80ab0d068708 261 /* Check we should be transferring data IN */
samux 1:80ab0d068708 262 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 263 {
samux 1:80ab0d068708 264 return false;
samux 1:80ab0d068708 265 }
samux 1:80ab0d068708 266
samux 1:80ab0d068708 267 packetSize = transfer.remaining;
samux 1:80ab0d068708 268
samux 1:80ab0d068708 269 if (packetSize > MAX_PACKET_SIZE_EP0)
samux 1:80ab0d068708 270 {
samux 1:80ab0d068708 271 packetSize = MAX_PACKET_SIZE_EP0;
samux 1:80ab0d068708 272 }
samux 1:80ab0d068708 273
samux 1:80ab0d068708 274 /* Write to endpoint */
samux 1:80ab0d068708 275 EP0write(transfer.ptr, packetSize);
samux 1:80ab0d068708 276
samux 1:80ab0d068708 277 /* Update transfer */
samux 1:80ab0d068708 278 transfer.ptr += packetSize;
samux 1:80ab0d068708 279 transfer.remaining -= packetSize;
samux 1:80ab0d068708 280
samux 1:80ab0d068708 281 return true;
samux 1:80ab0d068708 282 }
samux 1:80ab0d068708 283
samux 1:80ab0d068708 284 bool USBDevice::requestSetAddress(void)
samux 1:80ab0d068708 285 {
samux 1:80ab0d068708 286 /* Set the device address */
samux 1:80ab0d068708 287 setAddress(transfer.setup.wValue);
samux 1:80ab0d068708 288
samux 1:80ab0d068708 289 if (transfer.setup.wValue == 0)
samux 1:80ab0d068708 290 {
samux 1:80ab0d068708 291 device.state = DEFAULT;
samux 1:80ab0d068708 292 }
samux 1:80ab0d068708 293 else
samux 1:80ab0d068708 294 {
samux 1:80ab0d068708 295 device.state = ADDRESS;
samux 1:80ab0d068708 296 }
samux 1:80ab0d068708 297
samux 1:80ab0d068708 298 return true;
samux 1:80ab0d068708 299 }
samux 1:80ab0d068708 300
samux 1:80ab0d068708 301 bool USBDevice::requestSetConfiguration(void)
samux 1:80ab0d068708 302 {
samux 1:80ab0d068708 303
samux 1:80ab0d068708 304 device.configuration = transfer.setup.wValue;
samux 1:80ab0d068708 305 /* Set the device configuration */
samux 1:80ab0d068708 306 if (device.configuration == 0)
samux 1:80ab0d068708 307 {
samux 1:80ab0d068708 308 /* Not configured */
samux 1:80ab0d068708 309 unconfigureDevice();
samux 1:80ab0d068708 310 device.state = ADDRESS;
samux 1:80ab0d068708 311 }
samux 1:80ab0d068708 312 else
samux 1:80ab0d068708 313 {
samux 1:80ab0d068708 314 if (USBCallback_setConfiguration(device.configuration))
samux 1:80ab0d068708 315 {
samux 1:80ab0d068708 316 /* Valid configuration */
samux 1:80ab0d068708 317 configureDevice();
samux 1:80ab0d068708 318 device.state = CONFIGURED;
samux 1:80ab0d068708 319 }
samux 1:80ab0d068708 320 else
samux 1:80ab0d068708 321 {
samux 1:80ab0d068708 322 return false;
samux 1:80ab0d068708 323 }
samux 1:80ab0d068708 324 }
samux 1:80ab0d068708 325
samux 1:80ab0d068708 326 return true;
samux 1:80ab0d068708 327 }
samux 1:80ab0d068708 328
samux 1:80ab0d068708 329 bool USBDevice::requestGetConfiguration(void)
samux 1:80ab0d068708 330 {
samux 1:80ab0d068708 331 /* Send the device configuration */
samux 1:80ab0d068708 332 transfer.ptr = &device.configuration;
samux 1:80ab0d068708 333 transfer.remaining = sizeof(device.configuration);
samux 1:80ab0d068708 334 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 335 return true;
samux 1:80ab0d068708 336 }
samux 1:80ab0d068708 337
samux 1:80ab0d068708 338 bool USBDevice::requestGetInterface(void)
samux 1:80ab0d068708 339 {
samux 1:80ab0d068708 340 /* Return the selected alternate setting for an interface */
samux 1:80ab0d068708 341
samux 1:80ab0d068708 342 if (device.state != CONFIGURED)
samux 1:80ab0d068708 343 {
samux 1:80ab0d068708 344 return false;
samux 1:80ab0d068708 345 }
samux 1:80ab0d068708 346
samux 1:80ab0d068708 347 /* Send the alternate setting */
samux 1:80ab0d068708 348 transfer.setup.wIndex = currentInterface;
samux 1:80ab0d068708 349 transfer.ptr = &currentAlternate;
samux 1:80ab0d068708 350 transfer.remaining = sizeof(currentAlternate);
samux 1:80ab0d068708 351 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 352 return true;
samux 1:80ab0d068708 353 }
samux 1:80ab0d068708 354
samux 1:80ab0d068708 355 bool USBDevice::requestSetInterface(void)
samux 1:80ab0d068708 356 {
samux 1:80ab0d068708 357 bool success = false;
samux 1:80ab0d068708 358 if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue))
samux 1:80ab0d068708 359 {
samux 1:80ab0d068708 360 success = true;
samux 1:80ab0d068708 361 currentInterface = transfer.setup.wIndex;
samux 1:80ab0d068708 362 currentAlternate = transfer.setup.wValue;
samux 1:80ab0d068708 363 }
samux 1:80ab0d068708 364 return success;
samux 1:80ab0d068708 365 }
samux 1:80ab0d068708 366
samux 1:80ab0d068708 367 bool USBDevice::requestSetFeature()
samux 1:80ab0d068708 368 {
samux 1:80ab0d068708 369 bool success = false;
samux 1:80ab0d068708 370
samux 1:80ab0d068708 371 if (device.state != CONFIGURED)
samux 1:80ab0d068708 372 {
samux 1:80ab0d068708 373 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 374 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 375 {
samux 1:80ab0d068708 376 return false;
samux 1:80ab0d068708 377 }
samux 1:80ab0d068708 378 }
samux 1:80ab0d068708 379
samux 1:80ab0d068708 380 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 381 {
samux 1:80ab0d068708 382 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 383 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 384 break;
samux 1:80ab0d068708 385 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 386 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 387 {
samux 1:80ab0d068708 388 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 389 stallEndpoint(
samux 1:80ab0d068708 390 WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 391 success = true;
samux 1:80ab0d068708 392 }
samux 1:80ab0d068708 393 break;
samux 1:80ab0d068708 394 default:
samux 1:80ab0d068708 395 break;
samux 1:80ab0d068708 396 }
samux 1:80ab0d068708 397
samux 1:80ab0d068708 398 return success;
samux 1:80ab0d068708 399 }
samux 1:80ab0d068708 400
samux 1:80ab0d068708 401 bool USBDevice::requestClearFeature()
samux 1:80ab0d068708 402 {
samux 1:80ab0d068708 403 bool success = false;
samux 1:80ab0d068708 404
samux 1:80ab0d068708 405 if (device.state != CONFIGURED)
samux 1:80ab0d068708 406 {
samux 1:80ab0d068708 407 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 408 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 409 {
samux 1:80ab0d068708 410 return false;
samux 1:80ab0d068708 411 }
samux 1:80ab0d068708 412 }
samux 1:80ab0d068708 413
samux 1:80ab0d068708 414 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 415 {
samux 1:80ab0d068708 416 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 417 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 418 break;
samux 1:80ab0d068708 419 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 420 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 421 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 422 {
samux 1:80ab0d068708 423 unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 424 success = true;
samux 1:80ab0d068708 425 }
samux 1:80ab0d068708 426 break;
samux 1:80ab0d068708 427 default:
samux 1:80ab0d068708 428 break;
samux 1:80ab0d068708 429 }
samux 1:80ab0d068708 430
samux 1:80ab0d068708 431 return success;
samux 1:80ab0d068708 432 }
samux 1:80ab0d068708 433
samux 1:80ab0d068708 434 bool USBDevice::requestGetStatus(void)
samux 1:80ab0d068708 435 {
samux 1:80ab0d068708 436 static uint16_t status;
samux 1:80ab0d068708 437 bool success = false;
samux 1:80ab0d068708 438
samux 1:80ab0d068708 439 if (device.state != CONFIGURED)
samux 1:80ab0d068708 440 {
samux 1:80ab0d068708 441 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 442 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 443 {
samux 1:80ab0d068708 444 return false;
samux 1:80ab0d068708 445 }
samux 1:80ab0d068708 446 }
samux 1:80ab0d068708 447
samux 1:80ab0d068708 448 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 449 {
samux 1:80ab0d068708 450 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 451 /* TODO: Currently only supports self powered devices */
samux 1:80ab0d068708 452 status = DEVICE_STATUS_SELF_POWERED;
samux 1:80ab0d068708 453 success = true;
samux 1:80ab0d068708 454 break;
samux 1:80ab0d068708 455 case INTERFACE_RECIPIENT:
samux 1:80ab0d068708 456 status = 0;
samux 1:80ab0d068708 457 success = true;
samux 1:80ab0d068708 458 break;
samux 1:80ab0d068708 459 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 460 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 461 if (getEndpointStallState(
samux 1:80ab0d068708 462 WINDEX_TO_PHYSICAL(transfer.setup.wIndex)))
samux 1:80ab0d068708 463 {
samux 1:80ab0d068708 464 status = ENDPOINT_STATUS_HALT;
samux 1:80ab0d068708 465 }
samux 1:80ab0d068708 466 else
samux 1:80ab0d068708 467 {
samux 1:80ab0d068708 468 status = 0;
samux 1:80ab0d068708 469 }
samux 1:80ab0d068708 470 success = true;
samux 1:80ab0d068708 471 break;
samux 1:80ab0d068708 472 default:
samux 1:80ab0d068708 473 break;
samux 1:80ab0d068708 474 }
samux 1:80ab0d068708 475
samux 1:80ab0d068708 476 if (success)
samux 1:80ab0d068708 477 {
samux 1:80ab0d068708 478 /* Send the status */
samux 1:80ab0d068708 479 transfer.ptr = (uint8_t *)&status; /* Assumes little endian */
samux 1:80ab0d068708 480 transfer.remaining = sizeof(status);
samux 1:80ab0d068708 481 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 482 }
samux 1:80ab0d068708 483
samux 1:80ab0d068708 484 return success;
samux 1:80ab0d068708 485 }
samux 1:80ab0d068708 486
samux 1:80ab0d068708 487 bool USBDevice::requestSetup(void)
samux 1:80ab0d068708 488 {
samux 1:80ab0d068708 489 bool success = false;
samux 1:80ab0d068708 490
samux 1:80ab0d068708 491 /* Process standard requests */
samux 1:80ab0d068708 492 if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE))
samux 1:80ab0d068708 493 {
samux 1:80ab0d068708 494 switch (transfer.setup.bRequest)
samux 1:80ab0d068708 495 {
samux 1:80ab0d068708 496 case GET_STATUS:
samux 1:80ab0d068708 497 success = requestGetStatus();
samux 1:80ab0d068708 498 break;
samux 1:80ab0d068708 499 case CLEAR_FEATURE:
samux 1:80ab0d068708 500 success = requestClearFeature();
samux 1:80ab0d068708 501 break;
samux 1:80ab0d068708 502 case SET_FEATURE:
samux 1:80ab0d068708 503 success = requestSetFeature();
samux 1:80ab0d068708 504 break;
samux 1:80ab0d068708 505 case SET_ADDRESS:
samux 1:80ab0d068708 506 success = requestSetAddress();
samux 1:80ab0d068708 507 break;
samux 1:80ab0d068708 508 case GET_DESCRIPTOR:
samux 1:80ab0d068708 509 success = requestGetDescriptor();
samux 1:80ab0d068708 510 break;
samux 1:80ab0d068708 511 case SET_DESCRIPTOR:
samux 1:80ab0d068708 512 /* TODO: Support is optional, not implemented here */
samux 1:80ab0d068708 513 success = false;
samux 1:80ab0d068708 514 break;
samux 1:80ab0d068708 515 case GET_CONFIGURATION:
samux 1:80ab0d068708 516 success = requestGetConfiguration();
samux 1:80ab0d068708 517 break;
samux 1:80ab0d068708 518 case SET_CONFIGURATION:
samux 1:80ab0d068708 519 success = requestSetConfiguration();
samux 1:80ab0d068708 520 break;
samux 1:80ab0d068708 521 case GET_INTERFACE:
samux 1:80ab0d068708 522 success = requestGetInterface();
samux 1:80ab0d068708 523 break;
samux 1:80ab0d068708 524 case SET_INTERFACE:
samux 1:80ab0d068708 525 success = requestSetInterface();
samux 1:80ab0d068708 526 break;
samux 1:80ab0d068708 527 default:
samux 1:80ab0d068708 528 break;
samux 1:80ab0d068708 529 }
samux 1:80ab0d068708 530 }
samux 1:80ab0d068708 531
samux 1:80ab0d068708 532 return success;
samux 1:80ab0d068708 533 }
samux 1:80ab0d068708 534
samux 1:80ab0d068708 535 bool USBDevice::controlSetup(void)
samux 1:80ab0d068708 536 {
samux 1:80ab0d068708 537 bool success = false;
samux 1:80ab0d068708 538
samux 1:80ab0d068708 539 /* Control transfer setup stage */
samux 1:80ab0d068708 540 uint8_t buffer[MAX_PACKET_SIZE_EP0];
samux 1:80ab0d068708 541
samux 1:80ab0d068708 542 EP0setup(buffer);
samux 1:80ab0d068708 543
samux 1:80ab0d068708 544 /* Initialise control transfer state */
samux 1:80ab0d068708 545 decodeSetupPacket(buffer, &transfer.setup);
samux 1:80ab0d068708 546 transfer.ptr = NULL;
samux 1:80ab0d068708 547 transfer.remaining = 0;
samux 1:80ab0d068708 548 transfer.direction = 0;
samux 1:80ab0d068708 549 transfer.zlp = false;
samux 1:80ab0d068708 550 transfer.notify = false;
samux 1:80ab0d068708 551
samux 1:80ab0d068708 552 #ifdef DEBUG
samux 1:80ab0d068708 553 printf("dataTransferDirection: %d\r\nType: %d\r\nRecipient: %d\r\nbRequest: %d\r\nwValue: %d\r\nwIndex: %d\r\nwLength: %d\r\n",transfer.setup.bmRequestType.dataTransferDirection,
samux 1:80ab0d068708 554 transfer.setup.bmRequestType.Type,
samux 1:80ab0d068708 555 transfer.setup.bmRequestType.Recipient,
samux 1:80ab0d068708 556 transfer.setup.bRequest,
samux 1:80ab0d068708 557 transfer.setup.wValue,
samux 1:80ab0d068708 558 transfer.setup.wIndex,
samux 1:80ab0d068708 559 transfer.setup.wLength);
samux 1:80ab0d068708 560 #endif
samux 1:80ab0d068708 561
samux 1:80ab0d068708 562 /* Class / vendor specific */
samux 1:80ab0d068708 563 success = USBCallback_request();
samux 1:80ab0d068708 564
samux 1:80ab0d068708 565 if (!success)
samux 1:80ab0d068708 566 {
samux 1:80ab0d068708 567 /* Standard requests */
samux 1:80ab0d068708 568 if (!requestSetup())
samux 1:80ab0d068708 569 {
samux 1:80ab0d068708 570 #ifdef DEBUG
samux 1:80ab0d068708 571 printf("fail!!!!\r\n");
samux 1:80ab0d068708 572 #endif
samux 1:80ab0d068708 573 return false;
samux 1:80ab0d068708 574 }
samux 1:80ab0d068708 575 }
samux 1:80ab0d068708 576
samux 1:80ab0d068708 577 /* Check transfer size and direction */
samux 1:80ab0d068708 578 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 579 {
samux 1:80ab0d068708 580 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 581 == DEVICE_TO_HOST)
samux 1:80ab0d068708 582 {
samux 1:80ab0d068708 583 /* IN data stage is required */
samux 1:80ab0d068708 584 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 585 {
samux 1:80ab0d068708 586 return false;
samux 1:80ab0d068708 587 }
samux 1:80ab0d068708 588
samux 1:80ab0d068708 589 /* Transfer must be less than or equal to the size */
samux 1:80ab0d068708 590 /* requested by the host */
samux 1:80ab0d068708 591 if (transfer.remaining > transfer.setup.wLength)
samux 1:80ab0d068708 592 {
samux 1:80ab0d068708 593 transfer.remaining = transfer.setup.wLength;
samux 1:80ab0d068708 594 }
samux 1:80ab0d068708 595 }
samux 1:80ab0d068708 596 else
samux 1:80ab0d068708 597 {
samux 1:80ab0d068708 598
samux 1:80ab0d068708 599 /* OUT data stage is required */
samux 1:80ab0d068708 600 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 601 {
samux 1:80ab0d068708 602 return false;
samux 1:80ab0d068708 603 }
samux 1:80ab0d068708 604
samux 1:80ab0d068708 605 /* Transfer must be equal to the size requested by the host */
samux 1:80ab0d068708 606 if (transfer.remaining != transfer.setup.wLength)
samux 1:80ab0d068708 607 {
samux 1:80ab0d068708 608 return false;
samux 1:80ab0d068708 609 }
samux 1:80ab0d068708 610 }
samux 1:80ab0d068708 611 }
samux 1:80ab0d068708 612 else
samux 1:80ab0d068708 613 {
samux 1:80ab0d068708 614 /* No data stage; transfer size must be zero */
samux 1:80ab0d068708 615 if (transfer.remaining != 0)
samux 1:80ab0d068708 616 {
samux 1:80ab0d068708 617 return false;
samux 1:80ab0d068708 618 }
samux 1:80ab0d068708 619 }
samux 1:80ab0d068708 620
samux 1:80ab0d068708 621 /* Data or status stage if applicable */
samux 1:80ab0d068708 622 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 623 {
samux 1:80ab0d068708 624 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 625 == DEVICE_TO_HOST)
samux 1:80ab0d068708 626 {
samux 1:80ab0d068708 627 /* Check if we'll need to send a zero length packet at */
samux 1:80ab0d068708 628 /* the end of this transfer */
samux 1:80ab0d068708 629 if (transfer.setup.wLength > transfer.remaining)
samux 1:80ab0d068708 630 {
samux 1:80ab0d068708 631 /* Device wishes to transfer less than host requested */
samux 1:80ab0d068708 632 if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0)
samux 1:80ab0d068708 633 {
samux 1:80ab0d068708 634 /* Transfer is a multiple of EP0 max packet size */
samux 1:80ab0d068708 635 transfer.zlp = true;
samux 1:80ab0d068708 636 }
samux 1:80ab0d068708 637 }
samux 1:80ab0d068708 638
samux 1:80ab0d068708 639 /* IN stage */
samux 1:80ab0d068708 640 controlIn();
samux 1:80ab0d068708 641 }
samux 1:80ab0d068708 642 else
samux 1:80ab0d068708 643 {
samux 1:80ab0d068708 644 /* OUT stage */
samux 1:80ab0d068708 645 EP0read();
samux 1:80ab0d068708 646 }
samux 1:80ab0d068708 647 }
samux 1:80ab0d068708 648 else
samux 1:80ab0d068708 649 {
samux 1:80ab0d068708 650 /* Status stage */
samux 1:80ab0d068708 651 EP0write(NULL, 0);
samux 1:80ab0d068708 652 }
samux 1:80ab0d068708 653
samux 1:80ab0d068708 654 return true;
samux 1:80ab0d068708 655 }
samux 1:80ab0d068708 656
samux 1:80ab0d068708 657 void USBDevice::busReset(void)
samux 1:80ab0d068708 658 {
samux 1:80ab0d068708 659 device.state = DEFAULT;
samux 1:80ab0d068708 660 device.configuration = 0;
samux 1:80ab0d068708 661 device.suspended = false;
samux 1:80ab0d068708 662
samux 1:80ab0d068708 663 /* Call class / vendor specific busReset function */
samux 1:80ab0d068708 664 USBCallback_busReset();
samux 1:80ab0d068708 665 }
samux 1:80ab0d068708 666
samux 1:80ab0d068708 667 void USBDevice::EP0setupCallback(void)
samux 1:80ab0d068708 668 {
samux 1:80ab0d068708 669 /* Endpoint 0 setup event */
samux 1:80ab0d068708 670 if (!controlSetup())
samux 1:80ab0d068708 671 {
samux 1:80ab0d068708 672 /* Protocol stall */
samux 1:80ab0d068708 673 EP0stall();
samux 1:80ab0d068708 674 }
samux 1:80ab0d068708 675
samux 1:80ab0d068708 676 /* Return true if an OUT data stage is expected */
samux 1:80ab0d068708 677 }
samux 1:80ab0d068708 678
samux 1:80ab0d068708 679 void USBDevice::EP0out(void)
samux 1:80ab0d068708 680 {
samux 1:80ab0d068708 681 /* Endpoint 0 OUT data event */
samux 1:80ab0d068708 682 if (!controlOut())
samux 1:80ab0d068708 683 {
samux 1:80ab0d068708 684 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 685 EP0stall();
samux 1:80ab0d068708 686 }
samux 1:80ab0d068708 687 }
samux 1:80ab0d068708 688
samux 1:80ab0d068708 689 void USBDevice::EP0in(void)
samux 1:80ab0d068708 690 {
samux 1:80ab0d068708 691 #ifdef DEBUG
samux 1:80ab0d068708 692 printf("EP0IN\r\n");
samux 1:80ab0d068708 693 #endif
samux 1:80ab0d068708 694 /* Endpoint 0 IN data event */
samux 1:80ab0d068708 695 if (!controlIn())
samux 1:80ab0d068708 696 {
samux 1:80ab0d068708 697 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 698 EP0stall();
samux 1:80ab0d068708 699 }
samux 1:80ab0d068708 700 }
samux 1:80ab0d068708 701
samux 1:80ab0d068708 702 bool USBDevice::configured(void)
samux 1:80ab0d068708 703 {
samux 1:80ab0d068708 704 /* Returns true if device is in the CONFIGURED state */
samux 1:80ab0d068708 705 return (device.state == CONFIGURED);
samux 1:80ab0d068708 706 }
samux 1:80ab0d068708 707
mbed_official 18:78bdbce94509 708 void USBDevice::connect(bool blocking)
samux 1:80ab0d068708 709 {
samux 1:80ab0d068708 710 /* Connect device */
samux 1:80ab0d068708 711 USBHAL::connect();
mbed_official 18:78bdbce94509 712
mbed_official 18:78bdbce94509 713 if (blocking) {
mbed_official 18:78bdbce94509 714 /* Block if not configured */
mbed_official 18:78bdbce94509 715 while (!configured());
mbed_official 18:78bdbce94509 716 }
samux 1:80ab0d068708 717 }
samux 1:80ab0d068708 718
samux 1:80ab0d068708 719 void USBDevice::disconnect(void)
samux 1:80ab0d068708 720 {
samux 1:80ab0d068708 721 /* Disconnect device */
samux 1:80ab0d068708 722 USBHAL::disconnect();
samux 1:80ab0d068708 723 }
samux 1:80ab0d068708 724
samux 1:80ab0d068708 725 CONTROL_TRANSFER * USBDevice::getTransferPtr(void)
samux 1:80ab0d068708 726 {
samux 1:80ab0d068708 727 return &transfer;
samux 1:80ab0d068708 728 }
samux 1:80ab0d068708 729
samux 1:80ab0d068708 730 bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 731 {
samux 1:80ab0d068708 732 return realiseEndpoint(endpoint, maxPacket, 0);
samux 1:80ab0d068708 733 }
samux 1:80ab0d068708 734
samux 1:80ab0d068708 735 bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 736 {
samux 1:80ab0d068708 737 /* For interrupt endpoints only */
samux 1:80ab0d068708 738 return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE);
samux 1:80ab0d068708 739 }
samux 1:80ab0d068708 740
samux 1:80ab0d068708 741 uint8_t * USBDevice::findDescriptor(uint8_t descriptorType)
samux 1:80ab0d068708 742 {
samux 1:80ab0d068708 743 /* Find a descriptor within the list of descriptors */
samux 1:80ab0d068708 744 /* following a configuration descriptor. */
samux 1:80ab0d068708 745 uint16_t wTotalLength;
samux 1:80ab0d068708 746 uint8_t *ptr;
samux 1:80ab0d068708 747
samux 1:80ab0d068708 748 if (configurationDesc() == NULL)
samux 1:80ab0d068708 749 {
samux 1:80ab0d068708 750 return NULL;
samux 1:80ab0d068708 751 }
samux 1:80ab0d068708 752
samux 1:80ab0d068708 753 /* Check this is a configuration descriptor */
samux 1:80ab0d068708 754 if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 755 || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR))
samux 1:80ab0d068708 756 {
samux 1:80ab0d068708 757 return NULL;
samux 1:80ab0d068708 758 }
samux 1:80ab0d068708 759
samux 1:80ab0d068708 760 wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8);
samux 1:80ab0d068708 761
samux 1:80ab0d068708 762 /* Check there are some more descriptors to follow */
samux 1:80ab0d068708 763 if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2))
samux 1:80ab0d068708 764 /* +2 is for bLength and bDescriptorType of next descriptor */
samux 1:80ab0d068708 765 {
bogdanm 11:eeb3cbbaa996 766 return NULL;
samux 1:80ab0d068708 767 }
samux 1:80ab0d068708 768
samux 1:80ab0d068708 769 /* Start at first descriptor after the configuration descriptor */
samux 1:80ab0d068708 770 ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]);
samux 1:80ab0d068708 771
samux 1:80ab0d068708 772 do {
samux 1:80ab0d068708 773 if (ptr[1] /* bDescriptorType */ == descriptorType)
samux 1:80ab0d068708 774 {
samux 1:80ab0d068708 775 /* Found */
samux 1:80ab0d068708 776 return ptr;
samux 1:80ab0d068708 777 }
samux 1:80ab0d068708 778
samux 1:80ab0d068708 779 /* Skip to next descriptor */
samux 1:80ab0d068708 780 ptr += ptr[0]; /* bLength */
samux 1:80ab0d068708 781 } while (ptr < (configurationDesc() + wTotalLength));
samux 1:80ab0d068708 782
samux 1:80ab0d068708 783 /* Reached end of the descriptors - not found */
samux 1:80ab0d068708 784 return NULL;
samux 1:80ab0d068708 785 }
samux 1:80ab0d068708 786
samux 1:80ab0d068708 787
samux 1:80ab0d068708 788 void USBDevice::connectStateChanged(unsigned int connected)
samux 1:80ab0d068708 789 {
samux 1:80ab0d068708 790 }
samux 1:80ab0d068708 791
samux 1:80ab0d068708 792 void USBDevice::suspendStateChanged(unsigned int suspended)
samux 1:80ab0d068708 793 {
samux 1:80ab0d068708 794 }
samux 1:80ab0d068708 795
samux 1:80ab0d068708 796
samux 1:80ab0d068708 797 USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){
samux 1:80ab0d068708 798 VENDOR_ID = vendor_id;
samux 1:80ab0d068708 799 PRODUCT_ID = product_id;
samux 1:80ab0d068708 800 PRODUCT_RELEASE = product_release;
samux 1:80ab0d068708 801
samux 1:80ab0d068708 802 /* Set initial device state */
samux 1:80ab0d068708 803 device.state = POWERED;
samux 1:80ab0d068708 804 device.configuration = 0;
samux 1:80ab0d068708 805 device.suspended = false;
samux 1:80ab0d068708 806 };
samux 1:80ab0d068708 807
samux 1:80ab0d068708 808
samux 1:80ab0d068708 809 bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize)
samux 1:80ab0d068708 810 {
samux 1:80ab0d068708 811 return endpointRead(endpoint, maxSize) == EP_PENDING;
samux 1:80ab0d068708 812 }
samux 1:80ab0d068708 813
samux 1:80ab0d068708 814
samux 1:80ab0d068708 815 bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 816 {
samux 1:80ab0d068708 817 EP_STATUS result;
samux 1:80ab0d068708 818
samux 1:80ab0d068708 819 if (size > maxSize)
samux 1:80ab0d068708 820 {
samux 1:80ab0d068708 821 return false;
samux 1:80ab0d068708 822 }
samux 1:80ab0d068708 823
samux 1:80ab0d068708 824
samux 1:80ab0d068708 825 if(!configured()) {
samux 1:80ab0d068708 826 return false;
samux 1:80ab0d068708 827 }
samux 1:80ab0d068708 828
samux 1:80ab0d068708 829 /* Send report */
samux 1:80ab0d068708 830 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 831
samux 1:80ab0d068708 832 if (result != EP_PENDING)
samux 1:80ab0d068708 833 {
samux 1:80ab0d068708 834 return false;
samux 1:80ab0d068708 835 }
samux 1:80ab0d068708 836
samux 1:80ab0d068708 837 /* Wait for completion */
samux 1:80ab0d068708 838 do {
samux 1:80ab0d068708 839 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 840 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 841
samux 1:80ab0d068708 842 return (result == EP_COMPLETED);
samux 1:80ab0d068708 843 }
samux 1:80ab0d068708 844
samux 1:80ab0d068708 845
samux 1:80ab0d068708 846 bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 847 {
samux 1:80ab0d068708 848 EP_STATUS result;
samux 1:80ab0d068708 849
samux 1:80ab0d068708 850 if (size > maxSize)
samux 1:80ab0d068708 851 {
samux 1:80ab0d068708 852 return false;
samux 1:80ab0d068708 853 }
samux 1:80ab0d068708 854
samux 1:80ab0d068708 855 if(!configured()) {
samux 1:80ab0d068708 856 return false;
samux 1:80ab0d068708 857 }
samux 1:80ab0d068708 858
samux 1:80ab0d068708 859 /* Send report */
samux 1:80ab0d068708 860 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 861
samux 1:80ab0d068708 862 if (result != EP_PENDING)
samux 1:80ab0d068708 863 {
samux 1:80ab0d068708 864 return false;
samux 1:80ab0d068708 865 }
samux 1:80ab0d068708 866
samux 1:80ab0d068708 867 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 868
samux 1:80ab0d068708 869 return (result == EP_COMPLETED);
samux 1:80ab0d068708 870 }
samux 1:80ab0d068708 871
samux 1:80ab0d068708 872
samux 1:80ab0d068708 873
samux 1:80ab0d068708 874 bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 875 {
samux 1:80ab0d068708 876 EP_STATUS result;
samux 1:80ab0d068708 877
samux 1:80ab0d068708 878 if(!configured()) {
samux 1:80ab0d068708 879 return false;
samux 1:80ab0d068708 880 }
samux 1:80ab0d068708 881
samux 1:80ab0d068708 882 /* Wait for completion */
samux 1:80ab0d068708 883 do {
samux 1:80ab0d068708 884 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 885 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 886
samux 1:80ab0d068708 887 return (result == EP_COMPLETED);
samux 1:80ab0d068708 888 }
samux 1:80ab0d068708 889
samux 1:80ab0d068708 890
samux 1:80ab0d068708 891 bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 892 {
samux 1:80ab0d068708 893 EP_STATUS result;
samux 1:80ab0d068708 894
samux 1:80ab0d068708 895 if(!configured()) {
samux 1:80ab0d068708 896 return false;
samux 1:80ab0d068708 897 }
samux 1:80ab0d068708 898
samux 1:80ab0d068708 899 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 900
samux 1:80ab0d068708 901 return (result == EP_COMPLETED);
samux 1:80ab0d068708 902 }
samux 1:80ab0d068708 903
samux 1:80ab0d068708 904
samux 1:80ab0d068708 905
samux 1:80ab0d068708 906 uint8_t * USBDevice::deviceDesc() {
samux 1:80ab0d068708 907 static uint8_t deviceDescriptor[] = {
samux 1:80ab0d068708 908 DEVICE_DESCRIPTOR_LENGTH, /* bLength */
samux 1:80ab0d068708 909 DEVICE_DESCRIPTOR, /* bDescriptorType */
samux 1:80ab0d068708 910 LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
samux 1:80ab0d068708 911 MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
samux 1:80ab0d068708 912 0x00, /* bDeviceClass */
samux 1:80ab0d068708 913 0x00, /* bDeviceSubClass */
samux 1:80ab0d068708 914 0x00, /* bDeviceprotocol */
samux 1:80ab0d068708 915 MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
bogdanm 11:eeb3cbbaa996 916 (uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */
bogdanm 11:eeb3cbbaa996 917 (uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */
bogdanm 11:eeb3cbbaa996 918 (uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */
bogdanm 11:eeb3cbbaa996 919 (uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */
bogdanm 11:eeb3cbbaa996 920 (uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */
bogdanm 11:eeb3cbbaa996 921 (uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */
samux 1:80ab0d068708 922 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
samux 1:80ab0d068708 923 STRING_OFFSET_IPRODUCT, /* iProduct */
samux 1:80ab0d068708 924 STRING_OFFSET_ISERIAL, /* iSerialNumber */
samux 1:80ab0d068708 925 0x01 /* bNumConfigurations */
samux 1:80ab0d068708 926 };
samux 1:80ab0d068708 927 return deviceDescriptor;
samux 1:80ab0d068708 928 }
samux 1:80ab0d068708 929
samux 1:80ab0d068708 930 uint8_t * USBDevice::stringLangidDesc() {
samux 1:80ab0d068708 931 static uint8_t stringLangidDescriptor[] = {
samux 1:80ab0d068708 932 0x04, /*bLength*/
samux 1:80ab0d068708 933 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
mbed_official 17:bbd6dac92961 934 0x09,0x04, /*bString Lang ID - 0x0409 - English*/
samux 1:80ab0d068708 935 };
samux 1:80ab0d068708 936 return stringLangidDescriptor;
samux 1:80ab0d068708 937 }
samux 1:80ab0d068708 938
samux 1:80ab0d068708 939 uint8_t * USBDevice::stringImanufacturerDesc() {
samux 1:80ab0d068708 940 static uint8_t stringImanufacturerDescriptor[] = {
samux 1:80ab0d068708 941 0x12, /*bLength*/
samux 1:80ab0d068708 942 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 943 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/
samux 1:80ab0d068708 944 };
samux 1:80ab0d068708 945 return stringImanufacturerDescriptor;
samux 1:80ab0d068708 946 }
samux 1:80ab0d068708 947
samux 1:80ab0d068708 948 uint8_t * USBDevice::stringIserialDesc() {
samux 1:80ab0d068708 949 static uint8_t stringIserialDescriptor[] = {
samux 1:80ab0d068708 950 0x16, /*bLength*/
samux 1:80ab0d068708 951 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 952 '0',0,'1',0,'2',0,'3',0,'4',0,'5',0,'6',0,'7',0,'8',0,'9',0, /*bString iSerial - 0123456789*/
samux 1:80ab0d068708 953 };
samux 1:80ab0d068708 954 return stringIserialDescriptor;
samux 1:80ab0d068708 955 }
samux 1:80ab0d068708 956
samux 1:80ab0d068708 957 uint8_t * USBDevice::stringIConfigurationDesc() {
samux 1:80ab0d068708 958 static uint8_t stringIconfigurationDescriptor[] = {
samux 1:80ab0d068708 959 0x06, /*bLength*/
samux 1:80ab0d068708 960 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 961 '0',0,'1',0, /*bString iConfiguration - 01*/
samux 1:80ab0d068708 962 };
samux 1:80ab0d068708 963 return stringIconfigurationDescriptor;
samux 1:80ab0d068708 964 }
samux 1:80ab0d068708 965
samux 1:80ab0d068708 966 uint8_t * USBDevice::stringIinterfaceDesc() {
samux 1:80ab0d068708 967 static uint8_t stringIinterfaceDescriptor[] = {
samux 1:80ab0d068708 968 0x08, /*bLength*/
samux 1:80ab0d068708 969 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 970 'U',0,'S',0,'B',0, /*bString iInterface - USB*/
samux 1:80ab0d068708 971 };
samux 1:80ab0d068708 972 return stringIinterfaceDescriptor;
samux 1:80ab0d068708 973 }
samux 1:80ab0d068708 974
samux 1:80ab0d068708 975 uint8_t * USBDevice::stringIproductDesc() {
samux 1:80ab0d068708 976 static uint8_t stringIproductDescriptor[] = {
samux 1:80ab0d068708 977 0x16, /*bLength*/
samux 1:80ab0d068708 978 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 979 'U',0,'S',0,'B',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 /*bString iProduct - USB DEVICE*/
samux 1:80ab0d068708 980 };
samux 1:80ab0d068708 981 return stringIproductDescriptor;
samux 1:80ab0d068708 982 }