steeven lee / USBComposite

USB Composite support

Dependents:   mbed_cdc_hid_composite

Fork of USBDevice by mbed official

USBDevice/USBDevice.cpp@1:80ab0d068708, 2012-07-17 (annotated)

Committer:
samux
Date:
Tue Jul 17 14:30:29 2012 +0000
Revision:
1:80ab0d068708
Child:
8:335f2506f422
Update USBDevice lib

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 {
samux 1:80ab0d068708 190 return false;
samux 1:80ab0d068708 191 }
samux 1:80ab0d068708 192
samux 1:80ab0d068708 193 /* Read from endpoint */
samux 1:80ab0d068708 194 packetSize = EP0getReadResult(buffer);
samux 1:80ab0d068708 195
samux 1:80ab0d068708 196 /* Check if transfer size is valid */
samux 1:80ab0d068708 197 if (packetSize > transfer.remaining)
samux 1:80ab0d068708 198 {
samux 1:80ab0d068708 199 /* Too big */
samux 1:80ab0d068708 200 return false;
samux 1:80ab0d068708 201 }
samux 1:80ab0d068708 202
samux 1:80ab0d068708 203 /* Update transfer */
samux 1:80ab0d068708 204 transfer.ptr += packetSize;
samux 1:80ab0d068708 205 transfer.remaining -= packetSize;
samux 1:80ab0d068708 206
samux 1:80ab0d068708 207 /* Check if transfer has completed */
samux 1:80ab0d068708 208 if (transfer.remaining == 0)
samux 1:80ab0d068708 209 {
samux 1:80ab0d068708 210 /* Transfer completed */
samux 1:80ab0d068708 211 if (transfer.notify)
samux 1:80ab0d068708 212 {
samux 1:80ab0d068708 213 /* Notify class layer. */
samux 1:80ab0d068708 214 USBCallback_requestCompleted(buffer, packetSize);
samux 1:80ab0d068708 215 transfer.notify = false;
samux 1:80ab0d068708 216 }
samux 1:80ab0d068708 217 /* Status stage */
samux 1:80ab0d068708 218 EP0write(NULL, 0);
samux 1:80ab0d068708 219 }
samux 1:80ab0d068708 220 else
samux 1:80ab0d068708 221 {
samux 1:80ab0d068708 222 EP0read();
samux 1:80ab0d068708 223 }
samux 1:80ab0d068708 224
samux 1:80ab0d068708 225 return true;
samux 1:80ab0d068708 226 }
samux 1:80ab0d068708 227
samux 1:80ab0d068708 228 bool USBDevice::controlIn(void)
samux 1:80ab0d068708 229 {
samux 1:80ab0d068708 230 /* Control transfer data IN stage */
samux 1:80ab0d068708 231 uint32_t packetSize;
samux 1:80ab0d068708 232
samux 1:80ab0d068708 233 /* Check if transfer has completed (status stage transactions */
samux 1:80ab0d068708 234 /* also have transfer.remaining == 0) */
samux 1:80ab0d068708 235 if (transfer.remaining == 0)
samux 1:80ab0d068708 236 {
samux 1:80ab0d068708 237 if (transfer.zlp)
samux 1:80ab0d068708 238 {
samux 1:80ab0d068708 239 /* Send zero length packet */
samux 1:80ab0d068708 240 EP0write(NULL, 0);
samux 1:80ab0d068708 241 transfer.zlp = false;
samux 1:80ab0d068708 242 }
samux 1:80ab0d068708 243
samux 1:80ab0d068708 244 /* Transfer completed */
samux 1:80ab0d068708 245 if (transfer.notify)
samux 1:80ab0d068708 246 {
samux 1:80ab0d068708 247 /* Notify class layer. */
samux 1:80ab0d068708 248 USBCallback_requestCompleted(NULL, 0);
samux 1:80ab0d068708 249 transfer.notify = false;
samux 1:80ab0d068708 250 }
samux 1:80ab0d068708 251
samux 1:80ab0d068708 252 EP0read();
samux 1:80ab0d068708 253
samux 1:80ab0d068708 254 /* Completed */
samux 1:80ab0d068708 255 return true;
samux 1:80ab0d068708 256 }
samux 1:80ab0d068708 257
samux 1:80ab0d068708 258 /* Check we should be transferring data IN */
samux 1:80ab0d068708 259 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 260 {
samux 1:80ab0d068708 261 return false;
samux 1:80ab0d068708 262 }
samux 1:80ab0d068708 263
samux 1:80ab0d068708 264 packetSize = transfer.remaining;
samux 1:80ab0d068708 265
samux 1:80ab0d068708 266 if (packetSize > MAX_PACKET_SIZE_EP0)
samux 1:80ab0d068708 267 {
samux 1:80ab0d068708 268 packetSize = MAX_PACKET_SIZE_EP0;
samux 1:80ab0d068708 269 }
samux 1:80ab0d068708 270
samux 1:80ab0d068708 271 /* Write to endpoint */
samux 1:80ab0d068708 272 EP0write(transfer.ptr, packetSize);
samux 1:80ab0d068708 273
samux 1:80ab0d068708 274 /* Update transfer */
samux 1:80ab0d068708 275 transfer.ptr += packetSize;
samux 1:80ab0d068708 276 transfer.remaining -= packetSize;
samux 1:80ab0d068708 277
samux 1:80ab0d068708 278 return true;
samux 1:80ab0d068708 279 }
samux 1:80ab0d068708 280
samux 1:80ab0d068708 281 bool USBDevice::requestSetAddress(void)
samux 1:80ab0d068708 282 {
samux 1:80ab0d068708 283 /* Set the device address */
samux 1:80ab0d068708 284 setAddress(transfer.setup.wValue);
samux 1:80ab0d068708 285
samux 1:80ab0d068708 286 if (transfer.setup.wValue == 0)
samux 1:80ab0d068708 287 {
samux 1:80ab0d068708 288 device.state = DEFAULT;
samux 1:80ab0d068708 289 }
samux 1:80ab0d068708 290 else
samux 1:80ab0d068708 291 {
samux 1:80ab0d068708 292 device.state = ADDRESS;
samux 1:80ab0d068708 293 }
samux 1:80ab0d068708 294
samux 1:80ab0d068708 295 return true;
samux 1:80ab0d068708 296 }
samux 1:80ab0d068708 297
samux 1:80ab0d068708 298 bool USBDevice::requestSetConfiguration(void)
samux 1:80ab0d068708 299 {
samux 1:80ab0d068708 300
samux 1:80ab0d068708 301 device.configuration = transfer.setup.wValue;
samux 1:80ab0d068708 302 /* Set the device configuration */
samux 1:80ab0d068708 303 if (device.configuration == 0)
samux 1:80ab0d068708 304 {
samux 1:80ab0d068708 305 /* Not configured */
samux 1:80ab0d068708 306 unconfigureDevice();
samux 1:80ab0d068708 307 device.state = ADDRESS;
samux 1:80ab0d068708 308 }
samux 1:80ab0d068708 309 else
samux 1:80ab0d068708 310 {
samux 1:80ab0d068708 311 if (USBCallback_setConfiguration(device.configuration))
samux 1:80ab0d068708 312 {
samux 1:80ab0d068708 313 /* Valid configuration */
samux 1:80ab0d068708 314 configureDevice();
samux 1:80ab0d068708 315 device.state = CONFIGURED;
samux 1:80ab0d068708 316 }
samux 1:80ab0d068708 317 else
samux 1:80ab0d068708 318 {
samux 1:80ab0d068708 319 return false;
samux 1:80ab0d068708 320 }
samux 1:80ab0d068708 321 }
samux 1:80ab0d068708 322
samux 1:80ab0d068708 323 return true;
samux 1:80ab0d068708 324 }
samux 1:80ab0d068708 325
samux 1:80ab0d068708 326 bool USBDevice::requestGetConfiguration(void)
samux 1:80ab0d068708 327 {
samux 1:80ab0d068708 328 /* Send the device configuration */
samux 1:80ab0d068708 329 transfer.ptr = &device.configuration;
samux 1:80ab0d068708 330 transfer.remaining = sizeof(device.configuration);
samux 1:80ab0d068708 331 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 332 return true;
samux 1:80ab0d068708 333 }
samux 1:80ab0d068708 334
samux 1:80ab0d068708 335 bool USBDevice::requestGetInterface(void)
samux 1:80ab0d068708 336 {
samux 1:80ab0d068708 337 /* Return the selected alternate setting for an interface */
samux 1:80ab0d068708 338
samux 1:80ab0d068708 339 if (device.state != CONFIGURED)
samux 1:80ab0d068708 340 {
samux 1:80ab0d068708 341 return false;
samux 1:80ab0d068708 342 }
samux 1:80ab0d068708 343
samux 1:80ab0d068708 344 /* Send the alternate setting */
samux 1:80ab0d068708 345 transfer.setup.wIndex = currentInterface;
samux 1:80ab0d068708 346 transfer.ptr = &currentAlternate;
samux 1:80ab0d068708 347 transfer.remaining = sizeof(currentAlternate);
samux 1:80ab0d068708 348 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 349 return true;
samux 1:80ab0d068708 350 }
samux 1:80ab0d068708 351
samux 1:80ab0d068708 352 bool USBDevice::requestSetInterface(void)
samux 1:80ab0d068708 353 {
samux 1:80ab0d068708 354 bool success = false;
samux 1:80ab0d068708 355 if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue))
samux 1:80ab0d068708 356 {
samux 1:80ab0d068708 357 success = true;
samux 1:80ab0d068708 358 currentInterface = transfer.setup.wIndex;
samux 1:80ab0d068708 359 currentAlternate = transfer.setup.wValue;
samux 1:80ab0d068708 360 }
samux 1:80ab0d068708 361 return success;
samux 1:80ab0d068708 362 }
samux 1:80ab0d068708 363
samux 1:80ab0d068708 364 bool USBDevice::requestSetFeature()
samux 1:80ab0d068708 365 {
samux 1:80ab0d068708 366 bool success = false;
samux 1:80ab0d068708 367
samux 1:80ab0d068708 368 if (device.state != CONFIGURED)
samux 1:80ab0d068708 369 {
samux 1:80ab0d068708 370 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 371 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 372 {
samux 1:80ab0d068708 373 return false;
samux 1:80ab0d068708 374 }
samux 1:80ab0d068708 375 }
samux 1:80ab0d068708 376
samux 1:80ab0d068708 377 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 378 {
samux 1:80ab0d068708 379 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 380 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 381 break;
samux 1:80ab0d068708 382 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 383 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 384 {
samux 1:80ab0d068708 385 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 386 stallEndpoint(
samux 1:80ab0d068708 387 WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 388 success = true;
samux 1:80ab0d068708 389 }
samux 1:80ab0d068708 390 break;
samux 1:80ab0d068708 391 default:
samux 1:80ab0d068708 392 break;
samux 1:80ab0d068708 393 }
samux 1:80ab0d068708 394
samux 1:80ab0d068708 395 return success;
samux 1:80ab0d068708 396 }
samux 1:80ab0d068708 397
samux 1:80ab0d068708 398 bool USBDevice::requestClearFeature()
samux 1:80ab0d068708 399 {
samux 1:80ab0d068708 400 bool success = false;
samux 1:80ab0d068708 401
samux 1:80ab0d068708 402 if (device.state != CONFIGURED)
samux 1:80ab0d068708 403 {
samux 1:80ab0d068708 404 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 405 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 406 {
samux 1:80ab0d068708 407 return false;
samux 1:80ab0d068708 408 }
samux 1:80ab0d068708 409 }
samux 1:80ab0d068708 410
samux 1:80ab0d068708 411 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 412 {
samux 1:80ab0d068708 413 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 414 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 415 break;
samux 1:80ab0d068708 416 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 417 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 418 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 419 {
samux 1:80ab0d068708 420 unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 421 success = true;
samux 1:80ab0d068708 422 }
samux 1:80ab0d068708 423 break;
samux 1:80ab0d068708 424 default:
samux 1:80ab0d068708 425 break;
samux 1:80ab0d068708 426 }
samux 1:80ab0d068708 427
samux 1:80ab0d068708 428 return success;
samux 1:80ab0d068708 429 }
samux 1:80ab0d068708 430
samux 1:80ab0d068708 431 bool USBDevice::requestGetStatus(void)
samux 1:80ab0d068708 432 {
samux 1:80ab0d068708 433 static uint16_t status;
samux 1:80ab0d068708 434 bool success = false;
samux 1:80ab0d068708 435
samux 1:80ab0d068708 436 if (device.state != CONFIGURED)
samux 1:80ab0d068708 437 {
samux 1:80ab0d068708 438 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 439 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 440 {
samux 1:80ab0d068708 441 return false;
samux 1:80ab0d068708 442 }
samux 1:80ab0d068708 443 }
samux 1:80ab0d068708 444
samux 1:80ab0d068708 445 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 446 {
samux 1:80ab0d068708 447 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 448 /* TODO: Currently only supports self powered devices */
samux 1:80ab0d068708 449 status = DEVICE_STATUS_SELF_POWERED;
samux 1:80ab0d068708 450 success = true;
samux 1:80ab0d068708 451 break;
samux 1:80ab0d068708 452 case INTERFACE_RECIPIENT:
samux 1:80ab0d068708 453 status = 0;
samux 1:80ab0d068708 454 success = true;
samux 1:80ab0d068708 455 break;
samux 1:80ab0d068708 456 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 457 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 458 if (getEndpointStallState(
samux 1:80ab0d068708 459 WINDEX_TO_PHYSICAL(transfer.setup.wIndex)))
samux 1:80ab0d068708 460 {
samux 1:80ab0d068708 461 status = ENDPOINT_STATUS_HALT;
samux 1:80ab0d068708 462 }
samux 1:80ab0d068708 463 else
samux 1:80ab0d068708 464 {
samux 1:80ab0d068708 465 status = 0;
samux 1:80ab0d068708 466 }
samux 1:80ab0d068708 467 success = true;
samux 1:80ab0d068708 468 break;
samux 1:80ab0d068708 469 default:
samux 1:80ab0d068708 470 break;
samux 1:80ab0d068708 471 }
samux 1:80ab0d068708 472
samux 1:80ab0d068708 473 if (success)
samux 1:80ab0d068708 474 {
samux 1:80ab0d068708 475 /* Send the status */
samux 1:80ab0d068708 476 transfer.ptr = (uint8_t *)&status; /* Assumes little endian */
samux 1:80ab0d068708 477 transfer.remaining = sizeof(status);
samux 1:80ab0d068708 478 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 479 }
samux 1:80ab0d068708 480
samux 1:80ab0d068708 481 return success;
samux 1:80ab0d068708 482 }
samux 1:80ab0d068708 483
samux 1:80ab0d068708 484 bool USBDevice::requestSetup(void)
samux 1:80ab0d068708 485 {
samux 1:80ab0d068708 486 bool success = false;
samux 1:80ab0d068708 487
samux 1:80ab0d068708 488 /* Process standard requests */
samux 1:80ab0d068708 489 if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE))
samux 1:80ab0d068708 490 {
samux 1:80ab0d068708 491 switch (transfer.setup.bRequest)
samux 1:80ab0d068708 492 {
samux 1:80ab0d068708 493 case GET_STATUS:
samux 1:80ab0d068708 494 success = requestGetStatus();
samux 1:80ab0d068708 495 break;
samux 1:80ab0d068708 496 case CLEAR_FEATURE:
samux 1:80ab0d068708 497 success = requestClearFeature();
samux 1:80ab0d068708 498 break;
samux 1:80ab0d068708 499 case SET_FEATURE:
samux 1:80ab0d068708 500 success = requestSetFeature();
samux 1:80ab0d068708 501 break;
samux 1:80ab0d068708 502 case SET_ADDRESS:
samux 1:80ab0d068708 503 success = requestSetAddress();
samux 1:80ab0d068708 504 break;
samux 1:80ab0d068708 505 case GET_DESCRIPTOR:
samux 1:80ab0d068708 506 success = requestGetDescriptor();
samux 1:80ab0d068708 507 break;
samux 1:80ab0d068708 508 case SET_DESCRIPTOR:
samux 1:80ab0d068708 509 /* TODO: Support is optional, not implemented here */
samux 1:80ab0d068708 510 success = false;
samux 1:80ab0d068708 511 break;
samux 1:80ab0d068708 512 case GET_CONFIGURATION:
samux 1:80ab0d068708 513 success = requestGetConfiguration();
samux 1:80ab0d068708 514 break;
samux 1:80ab0d068708 515 case SET_CONFIGURATION:
samux 1:80ab0d068708 516 success = requestSetConfiguration();
samux 1:80ab0d068708 517 break;
samux 1:80ab0d068708 518 case GET_INTERFACE:
samux 1:80ab0d068708 519 success = requestGetInterface();
samux 1:80ab0d068708 520 break;
samux 1:80ab0d068708 521 case SET_INTERFACE:
samux 1:80ab0d068708 522 success = requestSetInterface();
samux 1:80ab0d068708 523 break;
samux 1:80ab0d068708 524 default:
samux 1:80ab0d068708 525 break;
samux 1:80ab0d068708 526 }
samux 1:80ab0d068708 527 }
samux 1:80ab0d068708 528
samux 1:80ab0d068708 529 return success;
samux 1:80ab0d068708 530 }
samux 1:80ab0d068708 531
samux 1:80ab0d068708 532 bool USBDevice::controlSetup(void)
samux 1:80ab0d068708 533 {
samux 1:80ab0d068708 534 bool success = false;
samux 1:80ab0d068708 535
samux 1:80ab0d068708 536 /* Control transfer setup stage */
samux 1:80ab0d068708 537 uint8_t buffer[MAX_PACKET_SIZE_EP0];
samux 1:80ab0d068708 538
samux 1:80ab0d068708 539 EP0setup(buffer);
samux 1:80ab0d068708 540
samux 1:80ab0d068708 541 /* Initialise control transfer state */
samux 1:80ab0d068708 542 decodeSetupPacket(buffer, &transfer.setup);
samux 1:80ab0d068708 543 transfer.ptr = NULL;
samux 1:80ab0d068708 544 transfer.remaining = 0;
samux 1:80ab0d068708 545 transfer.direction = 0;
samux 1:80ab0d068708 546 transfer.zlp = false;
samux 1:80ab0d068708 547 transfer.notify = false;
samux 1:80ab0d068708 548
samux 1:80ab0d068708 549 #ifdef DEBUG
samux 1:80ab0d068708 550 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 551 transfer.setup.bmRequestType.Type,
samux 1:80ab0d068708 552 transfer.setup.bmRequestType.Recipient,
samux 1:80ab0d068708 553 transfer.setup.bRequest,
samux 1:80ab0d068708 554 transfer.setup.wValue,
samux 1:80ab0d068708 555 transfer.setup.wIndex,
samux 1:80ab0d068708 556 transfer.setup.wLength);
samux 1:80ab0d068708 557 #endif
samux 1:80ab0d068708 558
samux 1:80ab0d068708 559 /* Class / vendor specific */
samux 1:80ab0d068708 560 success = USBCallback_request();
samux 1:80ab0d068708 561
samux 1:80ab0d068708 562 if (!success)
samux 1:80ab0d068708 563 {
samux 1:80ab0d068708 564 /* Standard requests */
samux 1:80ab0d068708 565 if (!requestSetup())
samux 1:80ab0d068708 566 {
samux 1:80ab0d068708 567 #ifdef DEBUG
samux 1:80ab0d068708 568 printf("fail!!!!\r\n");
samux 1:80ab0d068708 569 #endif
samux 1:80ab0d068708 570 return false;
samux 1:80ab0d068708 571 }
samux 1:80ab0d068708 572 }
samux 1:80ab0d068708 573
samux 1:80ab0d068708 574 /* Check transfer size and direction */
samux 1:80ab0d068708 575 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 576 {
samux 1:80ab0d068708 577 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 578 == DEVICE_TO_HOST)
samux 1:80ab0d068708 579 {
samux 1:80ab0d068708 580 /* IN data stage is required */
samux 1:80ab0d068708 581 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 582 {
samux 1:80ab0d068708 583 return false;
samux 1:80ab0d068708 584 }
samux 1:80ab0d068708 585
samux 1:80ab0d068708 586 /* Transfer must be less than or equal to the size */
samux 1:80ab0d068708 587 /* requested by the host */
samux 1:80ab0d068708 588 if (transfer.remaining > transfer.setup.wLength)
samux 1:80ab0d068708 589 {
samux 1:80ab0d068708 590 transfer.remaining = transfer.setup.wLength;
samux 1:80ab0d068708 591 }
samux 1:80ab0d068708 592 }
samux 1:80ab0d068708 593 else
samux 1:80ab0d068708 594 {
samux 1:80ab0d068708 595
samux 1:80ab0d068708 596 /* OUT data stage is required */
samux 1:80ab0d068708 597 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 598 {
samux 1:80ab0d068708 599 return false;
samux 1:80ab0d068708 600 }
samux 1:80ab0d068708 601
samux 1:80ab0d068708 602 /* Transfer must be equal to the size requested by the host */
samux 1:80ab0d068708 603 if (transfer.remaining != transfer.setup.wLength)
samux 1:80ab0d068708 604 {
samux 1:80ab0d068708 605 return false;
samux 1:80ab0d068708 606 }
samux 1:80ab0d068708 607 }
samux 1:80ab0d068708 608 }
samux 1:80ab0d068708 609 else
samux 1:80ab0d068708 610 {
samux 1:80ab0d068708 611 /* No data stage; transfer size must be zero */
samux 1:80ab0d068708 612 if (transfer.remaining != 0)
samux 1:80ab0d068708 613 {
samux 1:80ab0d068708 614 return false;
samux 1:80ab0d068708 615 }
samux 1:80ab0d068708 616 }
samux 1:80ab0d068708 617
samux 1:80ab0d068708 618 /* Data or status stage if applicable */
samux 1:80ab0d068708 619 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 620 {
samux 1:80ab0d068708 621 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 622 == DEVICE_TO_HOST)
samux 1:80ab0d068708 623 {
samux 1:80ab0d068708 624 /* Check if we'll need to send a zero length packet at */
samux 1:80ab0d068708 625 /* the end of this transfer */
samux 1:80ab0d068708 626 if (transfer.setup.wLength > transfer.remaining)
samux 1:80ab0d068708 627 {
samux 1:80ab0d068708 628 /* Device wishes to transfer less than host requested */
samux 1:80ab0d068708 629 if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0)
samux 1:80ab0d068708 630 {
samux 1:80ab0d068708 631 /* Transfer is a multiple of EP0 max packet size */
samux 1:80ab0d068708 632 transfer.zlp = true;
samux 1:80ab0d068708 633 }
samux 1:80ab0d068708 634 }
samux 1:80ab0d068708 635
samux 1:80ab0d068708 636 /* IN stage */
samux 1:80ab0d068708 637 controlIn();
samux 1:80ab0d068708 638 }
samux 1:80ab0d068708 639 else
samux 1:80ab0d068708 640 {
samux 1:80ab0d068708 641 /* OUT stage */
samux 1:80ab0d068708 642 EP0read();
samux 1:80ab0d068708 643 }
samux 1:80ab0d068708 644 }
samux 1:80ab0d068708 645 else
samux 1:80ab0d068708 646 {
samux 1:80ab0d068708 647 /* Status stage */
samux 1:80ab0d068708 648 EP0write(NULL, 0);
samux 1:80ab0d068708 649 }
samux 1:80ab0d068708 650
samux 1:80ab0d068708 651 return true;
samux 1:80ab0d068708 652 }
samux 1:80ab0d068708 653
samux 1:80ab0d068708 654 void USBDevice::busReset(void)
samux 1:80ab0d068708 655 {
samux 1:80ab0d068708 656 device.state = DEFAULT;
samux 1:80ab0d068708 657 device.configuration = 0;
samux 1:80ab0d068708 658 device.suspended = false;
samux 1:80ab0d068708 659
samux 1:80ab0d068708 660 /* Call class / vendor specific busReset function */
samux 1:80ab0d068708 661 USBCallback_busReset();
samux 1:80ab0d068708 662 }
samux 1:80ab0d068708 663
samux 1:80ab0d068708 664 void USBDevice::EP0setupCallback(void)
samux 1:80ab0d068708 665 {
samux 1:80ab0d068708 666 /* Endpoint 0 setup event */
samux 1:80ab0d068708 667 if (!controlSetup())
samux 1:80ab0d068708 668 {
samux 1:80ab0d068708 669 /* Protocol stall */
samux 1:80ab0d068708 670 EP0stall();
samux 1:80ab0d068708 671 }
samux 1:80ab0d068708 672
samux 1:80ab0d068708 673 /* Return true if an OUT data stage is expected */
samux 1:80ab0d068708 674 }
samux 1:80ab0d068708 675
samux 1:80ab0d068708 676 void USBDevice::EP0out(void)
samux 1:80ab0d068708 677 {
samux 1:80ab0d068708 678 /* Endpoint 0 OUT data event */
samux 1:80ab0d068708 679 if (!controlOut())
samux 1:80ab0d068708 680 {
samux 1:80ab0d068708 681 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 682 EP0stall();
samux 1:80ab0d068708 683 }
samux 1:80ab0d068708 684 }
samux 1:80ab0d068708 685
samux 1:80ab0d068708 686 void USBDevice::EP0in(void)
samux 1:80ab0d068708 687 {
samux 1:80ab0d068708 688 #ifdef DEBUG
samux 1:80ab0d068708 689 printf("EP0IN\r\n");
samux 1:80ab0d068708 690 #endif
samux 1:80ab0d068708 691 /* Endpoint 0 IN data event */
samux 1:80ab0d068708 692 if (!controlIn())
samux 1:80ab0d068708 693 {
samux 1:80ab0d068708 694 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 695 EP0stall();
samux 1:80ab0d068708 696 }
samux 1:80ab0d068708 697 }
samux 1:80ab0d068708 698
samux 1:80ab0d068708 699 bool USBDevice::configured(void)
samux 1:80ab0d068708 700 {
samux 1:80ab0d068708 701 /* Returns true if device is in the CONFIGURED state */
samux 1:80ab0d068708 702 return (device.state == CONFIGURED);
samux 1:80ab0d068708 703 }
samux 1:80ab0d068708 704
samux 1:80ab0d068708 705 void USBDevice::connect(void)
samux 1:80ab0d068708 706 {
samux 1:80ab0d068708 707 /* Connect device */
samux 1:80ab0d068708 708 USBHAL::connect();
samux 1:80ab0d068708 709 /* Block if not configured */
samux 1:80ab0d068708 710 while (!configured());
samux 1:80ab0d068708 711 }
samux 1:80ab0d068708 712
samux 1:80ab0d068708 713 void USBDevice::disconnect(void)
samux 1:80ab0d068708 714 {
samux 1:80ab0d068708 715 /* Disconnect device */
samux 1:80ab0d068708 716 USBHAL::disconnect();
samux 1:80ab0d068708 717 }
samux 1:80ab0d068708 718
samux 1:80ab0d068708 719 CONTROL_TRANSFER * USBDevice::getTransferPtr(void)
samux 1:80ab0d068708 720 {
samux 1:80ab0d068708 721 return &transfer;
samux 1:80ab0d068708 722 }
samux 1:80ab0d068708 723
samux 1:80ab0d068708 724 bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 725 {
samux 1:80ab0d068708 726 return realiseEndpoint(endpoint, maxPacket, 0);
samux 1:80ab0d068708 727 }
samux 1:80ab0d068708 728
samux 1:80ab0d068708 729 bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 730 {
samux 1:80ab0d068708 731 /* For interrupt endpoints only */
samux 1:80ab0d068708 732 return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE);
samux 1:80ab0d068708 733 }
samux 1:80ab0d068708 734
samux 1:80ab0d068708 735 uint8_t * USBDevice::findDescriptor(uint8_t descriptorType)
samux 1:80ab0d068708 736 {
samux 1:80ab0d068708 737 /* Find a descriptor within the list of descriptors */
samux 1:80ab0d068708 738 /* following a configuration descriptor. */
samux 1:80ab0d068708 739 uint16_t wTotalLength;
samux 1:80ab0d068708 740 uint8_t *ptr;
samux 1:80ab0d068708 741
samux 1:80ab0d068708 742 if (configurationDesc() == NULL)
samux 1:80ab0d068708 743 {
samux 1:80ab0d068708 744 return NULL;
samux 1:80ab0d068708 745 }
samux 1:80ab0d068708 746
samux 1:80ab0d068708 747 /* Check this is a configuration descriptor */
samux 1:80ab0d068708 748 if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 749 || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR))
samux 1:80ab0d068708 750 {
samux 1:80ab0d068708 751 return NULL;
samux 1:80ab0d068708 752 }
samux 1:80ab0d068708 753
samux 1:80ab0d068708 754 wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8);
samux 1:80ab0d068708 755
samux 1:80ab0d068708 756 /* Check there are some more descriptors to follow */
samux 1:80ab0d068708 757 if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2))
samux 1:80ab0d068708 758 /* +2 is for bLength and bDescriptorType of next descriptor */
samux 1:80ab0d068708 759 {
samux 1:80ab0d068708 760 return false;
samux 1:80ab0d068708 761 }
samux 1:80ab0d068708 762
samux 1:80ab0d068708 763 /* Start at first descriptor after the configuration descriptor */
samux 1:80ab0d068708 764 ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]);
samux 1:80ab0d068708 765
samux 1:80ab0d068708 766 do {
samux 1:80ab0d068708 767 if (ptr[1] /* bDescriptorType */ == descriptorType)
samux 1:80ab0d068708 768 {
samux 1:80ab0d068708 769 /* Found */
samux 1:80ab0d068708 770 return ptr;
samux 1:80ab0d068708 771 }
samux 1:80ab0d068708 772
samux 1:80ab0d068708 773 /* Skip to next descriptor */
samux 1:80ab0d068708 774 ptr += ptr[0]; /* bLength */
samux 1:80ab0d068708 775 } while (ptr < (configurationDesc() + wTotalLength));
samux 1:80ab0d068708 776
samux 1:80ab0d068708 777 /* Reached end of the descriptors - not found */
samux 1:80ab0d068708 778 return NULL;
samux 1:80ab0d068708 779 }
samux 1:80ab0d068708 780
samux 1:80ab0d068708 781
samux 1:80ab0d068708 782 void USBDevice::connectStateChanged(unsigned int connected)
samux 1:80ab0d068708 783 {
samux 1:80ab0d068708 784 }
samux 1:80ab0d068708 785
samux 1:80ab0d068708 786 void USBDevice::suspendStateChanged(unsigned int suspended)
samux 1:80ab0d068708 787 {
samux 1:80ab0d068708 788 }
samux 1:80ab0d068708 789
samux 1:80ab0d068708 790
samux 1:80ab0d068708 791 USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){
samux 1:80ab0d068708 792 VENDOR_ID = vendor_id;
samux 1:80ab0d068708 793 PRODUCT_ID = product_id;
samux 1:80ab0d068708 794 PRODUCT_RELEASE = product_release;
samux 1:80ab0d068708 795
samux 1:80ab0d068708 796 /* Set initial device state */
samux 1:80ab0d068708 797 device.state = POWERED;
samux 1:80ab0d068708 798 device.configuration = 0;
samux 1:80ab0d068708 799 device.suspended = false;
samux 1:80ab0d068708 800 };
samux 1:80ab0d068708 801
samux 1:80ab0d068708 802
samux 1:80ab0d068708 803 bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize)
samux 1:80ab0d068708 804 {
samux 1:80ab0d068708 805 return endpointRead(endpoint, maxSize) == EP_PENDING;
samux 1:80ab0d068708 806 }
samux 1:80ab0d068708 807
samux 1:80ab0d068708 808
samux 1:80ab0d068708 809 bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 810 {
samux 1:80ab0d068708 811 EP_STATUS result;
samux 1:80ab0d068708 812
samux 1:80ab0d068708 813 if (size > maxSize)
samux 1:80ab0d068708 814 {
samux 1:80ab0d068708 815 return false;
samux 1:80ab0d068708 816 }
samux 1:80ab0d068708 817
samux 1:80ab0d068708 818
samux 1:80ab0d068708 819 if(!configured()) {
samux 1:80ab0d068708 820 return false;
samux 1:80ab0d068708 821 }
samux 1:80ab0d068708 822
samux 1:80ab0d068708 823 /* Send report */
samux 1:80ab0d068708 824 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 825
samux 1:80ab0d068708 826 if (result != EP_PENDING)
samux 1:80ab0d068708 827 {
samux 1:80ab0d068708 828 return false;
samux 1:80ab0d068708 829 }
samux 1:80ab0d068708 830
samux 1:80ab0d068708 831 /* Wait for completion */
samux 1:80ab0d068708 832 do {
samux 1:80ab0d068708 833 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 834 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 835
samux 1:80ab0d068708 836 return (result == EP_COMPLETED);
samux 1:80ab0d068708 837 }
samux 1:80ab0d068708 838
samux 1:80ab0d068708 839
samux 1:80ab0d068708 840 bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 841 {
samux 1:80ab0d068708 842 EP_STATUS result;
samux 1:80ab0d068708 843
samux 1:80ab0d068708 844 if (size > maxSize)
samux 1:80ab0d068708 845 {
samux 1:80ab0d068708 846 return false;
samux 1:80ab0d068708 847 }
samux 1:80ab0d068708 848
samux 1:80ab0d068708 849 if(!configured()) {
samux 1:80ab0d068708 850 return false;
samux 1:80ab0d068708 851 }
samux 1:80ab0d068708 852
samux 1:80ab0d068708 853 /* Send report */
samux 1:80ab0d068708 854 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 855
samux 1:80ab0d068708 856 if (result != EP_PENDING)
samux 1:80ab0d068708 857 {
samux 1:80ab0d068708 858 return false;
samux 1:80ab0d068708 859 }
samux 1:80ab0d068708 860
samux 1:80ab0d068708 861 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 862
samux 1:80ab0d068708 863 return (result == EP_COMPLETED);
samux 1:80ab0d068708 864 }
samux 1:80ab0d068708 865
samux 1:80ab0d068708 866
samux 1:80ab0d068708 867
samux 1:80ab0d068708 868 bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 869 {
samux 1:80ab0d068708 870 EP_STATUS result;
samux 1:80ab0d068708 871
samux 1:80ab0d068708 872 if(!configured()) {
samux 1:80ab0d068708 873 return false;
samux 1:80ab0d068708 874 }
samux 1:80ab0d068708 875
samux 1:80ab0d068708 876 /* Wait for completion */
samux 1:80ab0d068708 877 do {
samux 1:80ab0d068708 878 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 879 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 880
samux 1:80ab0d068708 881 return (result == EP_COMPLETED);
samux 1:80ab0d068708 882 }
samux 1:80ab0d068708 883
samux 1:80ab0d068708 884
samux 1:80ab0d068708 885 bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 886 {
samux 1:80ab0d068708 887 EP_STATUS result;
samux 1:80ab0d068708 888
samux 1:80ab0d068708 889 if(!configured()) {
samux 1:80ab0d068708 890 return false;
samux 1:80ab0d068708 891 }
samux 1:80ab0d068708 892
samux 1:80ab0d068708 893 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 894
samux 1:80ab0d068708 895 return (result == EP_COMPLETED);
samux 1:80ab0d068708 896 }
samux 1:80ab0d068708 897
samux 1:80ab0d068708 898
samux 1:80ab0d068708 899
samux 1:80ab0d068708 900 uint8_t * USBDevice::deviceDesc() {
samux 1:80ab0d068708 901 static uint8_t deviceDescriptor[] = {
samux 1:80ab0d068708 902 DEVICE_DESCRIPTOR_LENGTH, /* bLength */
samux 1:80ab0d068708 903 DEVICE_DESCRIPTOR, /* bDescriptorType */
samux 1:80ab0d068708 904 LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
samux 1:80ab0d068708 905 MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
samux 1:80ab0d068708 906 0x00, /* bDeviceClass */
samux 1:80ab0d068708 907 0x00, /* bDeviceSubClass */
samux 1:80ab0d068708 908 0x00, /* bDeviceprotocol */
samux 1:80ab0d068708 909 MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
samux 1:80ab0d068708 910 LSB(VENDOR_ID), /* idVendor (LSB) */
samux 1:80ab0d068708 911 MSB(VENDOR_ID), /* idVendor (MSB) */
samux 1:80ab0d068708 912 LSB(PRODUCT_ID), /* idProduct (LSB) */
samux 1:80ab0d068708 913 MSB(PRODUCT_ID), /* idProduct (MSB) */
samux 1:80ab0d068708 914 LSB(PRODUCT_RELEASE), /* bcdDevice (LSB) */
samux 1:80ab0d068708 915 MSB(PRODUCT_RELEASE), /* bcdDevice (MSB) */
samux 1:80ab0d068708 916 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
samux 1:80ab0d068708 917 STRING_OFFSET_IPRODUCT, /* iProduct */
samux 1:80ab0d068708 918 STRING_OFFSET_ISERIAL, /* iSerialNumber */
samux 1:80ab0d068708 919 0x01 /* bNumConfigurations */
samux 1:80ab0d068708 920 };
samux 1:80ab0d068708 921 return deviceDescriptor;
samux 1:80ab0d068708 922 }
samux 1:80ab0d068708 923
samux 1:80ab0d068708 924 uint8_t * USBDevice::stringLangidDesc() {
samux 1:80ab0d068708 925 static uint8_t stringLangidDescriptor[] = {
samux 1:80ab0d068708 926 0x04, /*bLength*/
samux 1:80ab0d068708 927 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 928 0x09,0x00, /*bString Lang ID - 0x009 - English*/
samux 1:80ab0d068708 929 };
samux 1:80ab0d068708 930 return stringLangidDescriptor;
samux 1:80ab0d068708 931 }
samux 1:80ab0d068708 932
samux 1:80ab0d068708 933 uint8_t * USBDevice::stringImanufacturerDesc() {
samux 1:80ab0d068708 934 static uint8_t stringImanufacturerDescriptor[] = {
samux 1:80ab0d068708 935 0x12, /*bLength*/
samux 1:80ab0d068708 936 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 937 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/
samux 1:80ab0d068708 938 };
samux 1:80ab0d068708 939 return stringImanufacturerDescriptor;
samux 1:80ab0d068708 940 }
samux 1:80ab0d068708 941
samux 1:80ab0d068708 942 uint8_t * USBDevice::stringIserialDesc() {
samux 1:80ab0d068708 943 static uint8_t stringIserialDescriptor[] = {
samux 1:80ab0d068708 944 0x16, /*bLength*/
samux 1:80ab0d068708 945 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 946 '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 947 };
samux 1:80ab0d068708 948 return stringIserialDescriptor;
samux 1:80ab0d068708 949 }
samux 1:80ab0d068708 950
samux 1:80ab0d068708 951 uint8_t * USBDevice::stringIConfigurationDesc() {
samux 1:80ab0d068708 952 static uint8_t stringIconfigurationDescriptor[] = {
samux 1:80ab0d068708 953 0x06, /*bLength*/
samux 1:80ab0d068708 954 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 955 '0',0,'1',0, /*bString iConfiguration - 01*/
samux 1:80ab0d068708 956 };
samux 1:80ab0d068708 957 return stringIconfigurationDescriptor;
samux 1:80ab0d068708 958 }
samux 1:80ab0d068708 959
samux 1:80ab0d068708 960 uint8_t * USBDevice::stringIinterfaceDesc() {
samux 1:80ab0d068708 961 static uint8_t stringIinterfaceDescriptor[] = {
samux 1:80ab0d068708 962 0x08, /*bLength*/
samux 1:80ab0d068708 963 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 964 'U',0,'S',0,'B',0, /*bString iInterface - USB*/
samux 1:80ab0d068708 965 };
samux 1:80ab0d068708 966 return stringIinterfaceDescriptor;
samux 1:80ab0d068708 967 }
samux 1:80ab0d068708 968
samux 1:80ab0d068708 969 uint8_t * USBDevice::stringIproductDesc() {
samux 1:80ab0d068708 970 static uint8_t stringIproductDescriptor[] = {
samux 1:80ab0d068708 971 0x16, /*bLength*/
samux 1:80ab0d068708 972 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 973 '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 974 };
samux 1:80ab0d068708 975 return stringIproductDescriptor;
samux 1:80ab0d068708 976 }