Geir Inge Tellnes / STM32_USBDevice

Fork of https://developer.mbed.org/users/bscott/code/STM32_USBDevice/

Fork of STM32_USBDevice by Bradley Scott

USBDevice/USBDevice.cpp@25:7c72828865f3, 2014-06-03 (annotated)

Committer:
mbed_official
Date:
Tue Jun 03 11:30:32 2014 +0100
Revision:
25:7c72828865f3
Parent:
18:78bdbce94509
Child:
26:8ef73dd868a0
Synchronized with git revision bcacbb9fbf3432829227430830cca4315b57c1b9



Full URL: https://github.com/mbedmicro/mbed/commit/bcacbb9fbf3432829227430830cca4315b57c1b9/

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;
mbed_official 25:7c72828865f3 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;
mbed_official 25:7c72828865f3 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;
mbed_official 25:7c72828865f3 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;
mbed_official 25:7c72828865f3 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;
mbed_official 25:7c72828865f3 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 8:335f2506f422 253 EP0readStage();
samux 1:80ab0d068708 254
samux 1:80ab0d068708 255 /* Completed */
samux 1:80ab0d068708 256 return true;
samux 1:80ab0d068708 257 }
samux 1:80ab0d068708 258
samux 1:80ab0d068708 259 /* Check we should be transferring data IN */
samux 1:80ab0d068708 260 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 261 {
samux 1:80ab0d068708 262 return false;
samux 1:80ab0d068708 263 }
samux 1:80ab0d068708 264
samux 1:80ab0d068708 265 packetSize = transfer.remaining;
samux 1:80ab0d068708 266
samux 1:80ab0d068708 267 if (packetSize > MAX_PACKET_SIZE_EP0)
samux 1:80ab0d068708 268 {
samux 1:80ab0d068708 269 packetSize = MAX_PACKET_SIZE_EP0;
samux 1:80ab0d068708 270 }
samux 1:80ab0d068708 271
samux 1:80ab0d068708 272 /* Write to endpoint */
samux 1:80ab0d068708 273 EP0write(transfer.ptr, packetSize);
samux 1:80ab0d068708 274
samux 1:80ab0d068708 275 /* Update transfer */
samux 1:80ab0d068708 276 transfer.ptr += packetSize;
samux 1:80ab0d068708 277 transfer.remaining -= packetSize;
samux 1:80ab0d068708 278
samux 1:80ab0d068708 279 return true;
samux 1:80ab0d068708 280 }
samux 1:80ab0d068708 281
samux 1:80ab0d068708 282 bool USBDevice::requestSetAddress(void)
samux 1:80ab0d068708 283 {
samux 1:80ab0d068708 284 /* Set the device address */
samux 1:80ab0d068708 285 setAddress(transfer.setup.wValue);
samux 1:80ab0d068708 286
samux 1:80ab0d068708 287 if (transfer.setup.wValue == 0)
samux 1:80ab0d068708 288 {
samux 1:80ab0d068708 289 device.state = DEFAULT;
samux 1:80ab0d068708 290 }
samux 1:80ab0d068708 291 else
samux 1:80ab0d068708 292 {
samux 1:80ab0d068708 293 device.state = ADDRESS;
samux 1:80ab0d068708 294 }
samux 1:80ab0d068708 295
samux 1:80ab0d068708 296 return true;
samux 1:80ab0d068708 297 }
samux 1:80ab0d068708 298
samux 1:80ab0d068708 299 bool USBDevice::requestSetConfiguration(void)
samux 1:80ab0d068708 300 {
samux 1:80ab0d068708 301
samux 1:80ab0d068708 302 device.configuration = transfer.setup.wValue;
samux 1:80ab0d068708 303 /* Set the device configuration */
samux 1:80ab0d068708 304 if (device.configuration == 0)
samux 1:80ab0d068708 305 {
samux 1:80ab0d068708 306 /* Not configured */
samux 1:80ab0d068708 307 unconfigureDevice();
samux 1:80ab0d068708 308 device.state = ADDRESS;
samux 1:80ab0d068708 309 }
samux 1:80ab0d068708 310 else
samux 1:80ab0d068708 311 {
samux 1:80ab0d068708 312 if (USBCallback_setConfiguration(device.configuration))
samux 1:80ab0d068708 313 {
samux 1:80ab0d068708 314 /* Valid configuration */
samux 1:80ab0d068708 315 configureDevice();
samux 1:80ab0d068708 316 device.state = CONFIGURED;
samux 1:80ab0d068708 317 }
samux 1:80ab0d068708 318 else
samux 1:80ab0d068708 319 {
samux 1:80ab0d068708 320 return false;
samux 1:80ab0d068708 321 }
samux 1:80ab0d068708 322 }
samux 1:80ab0d068708 323
samux 1:80ab0d068708 324 return true;
samux 1:80ab0d068708 325 }
samux 1:80ab0d068708 326
samux 1:80ab0d068708 327 bool USBDevice::requestGetConfiguration(void)
samux 1:80ab0d068708 328 {
samux 1:80ab0d068708 329 /* Send the device configuration */
samux 1:80ab0d068708 330 transfer.ptr = &device.configuration;
samux 1:80ab0d068708 331 transfer.remaining = sizeof(device.configuration);
samux 1:80ab0d068708 332 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 333 return true;
samux 1:80ab0d068708 334 }
samux 1:80ab0d068708 335
samux 1:80ab0d068708 336 bool USBDevice::requestGetInterface(void)
samux 1:80ab0d068708 337 {
samux 1:80ab0d068708 338 /* Return the selected alternate setting for an interface */
samux 1:80ab0d068708 339
samux 1:80ab0d068708 340 if (device.state != CONFIGURED)
samux 1:80ab0d068708 341 {
samux 1:80ab0d068708 342 return false;
samux 1:80ab0d068708 343 }
samux 1:80ab0d068708 344
samux 1:80ab0d068708 345 /* Send the alternate setting */
samux 1:80ab0d068708 346 transfer.setup.wIndex = currentInterface;
samux 1:80ab0d068708 347 transfer.ptr = &currentAlternate;
samux 1:80ab0d068708 348 transfer.remaining = sizeof(currentAlternate);
samux 1:80ab0d068708 349 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 350 return true;
samux 1:80ab0d068708 351 }
samux 1:80ab0d068708 352
samux 1:80ab0d068708 353 bool USBDevice::requestSetInterface(void)
samux 1:80ab0d068708 354 {
samux 1:80ab0d068708 355 bool success = false;
samux 1:80ab0d068708 356 if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue))
samux 1:80ab0d068708 357 {
samux 1:80ab0d068708 358 success = true;
samux 1:80ab0d068708 359 currentInterface = transfer.setup.wIndex;
mbed_official 25:7c72828865f3 360 currentAlternate = transfer.setup.wValue;
samux 1:80ab0d068708 361 }
samux 1:80ab0d068708 362 return success;
samux 1:80ab0d068708 363 }
samux 1:80ab0d068708 364
samux 1:80ab0d068708 365 bool USBDevice::requestSetFeature()
samux 1:80ab0d068708 366 {
samux 1:80ab0d068708 367 bool success = false;
samux 1:80ab0d068708 368
samux 1:80ab0d068708 369 if (device.state != CONFIGURED)
samux 1:80ab0d068708 370 {
samux 1:80ab0d068708 371 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 372 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 373 {
samux 1:80ab0d068708 374 return false;
samux 1:80ab0d068708 375 }
samux 1:80ab0d068708 376 }
samux 1:80ab0d068708 377
samux 1:80ab0d068708 378 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 379 {
samux 1:80ab0d068708 380 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 381 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 382 break;
samux 1:80ab0d068708 383 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 384 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 385 {
samux 1:80ab0d068708 386 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 387 stallEndpoint(
samux 1:80ab0d068708 388 WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 389 success = true;
samux 1:80ab0d068708 390 }
samux 1:80ab0d068708 391 break;
samux 1:80ab0d068708 392 default:
samux 1:80ab0d068708 393 break;
samux 1:80ab0d068708 394 }
samux 1:80ab0d068708 395
samux 1:80ab0d068708 396 return success;
samux 1:80ab0d068708 397 }
samux 1:80ab0d068708 398
samux 1:80ab0d068708 399 bool USBDevice::requestClearFeature()
samux 1:80ab0d068708 400 {
samux 1:80ab0d068708 401 bool success = false;
samux 1:80ab0d068708 402
samux 1:80ab0d068708 403 if (device.state != CONFIGURED)
samux 1:80ab0d068708 404 {
samux 1:80ab0d068708 405 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 406 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 407 {
samux 1:80ab0d068708 408 return false;
samux 1:80ab0d068708 409 }
samux 1:80ab0d068708 410 }
samux 1:80ab0d068708 411
samux 1:80ab0d068708 412 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 413 {
samux 1:80ab0d068708 414 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 415 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 416 break;
samux 1:80ab0d068708 417 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 418 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 419 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 420 {
samux 1:80ab0d068708 421 unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 422 success = true;
samux 1:80ab0d068708 423 }
samux 1:80ab0d068708 424 break;
samux 1:80ab0d068708 425 default:
samux 1:80ab0d068708 426 break;
samux 1:80ab0d068708 427 }
samux 1:80ab0d068708 428
samux 1:80ab0d068708 429 return success;
samux 1:80ab0d068708 430 }
samux 1:80ab0d068708 431
samux 1:80ab0d068708 432 bool USBDevice::requestGetStatus(void)
samux 1:80ab0d068708 433 {
samux 1:80ab0d068708 434 static uint16_t status;
samux 1:80ab0d068708 435 bool success = false;
samux 1:80ab0d068708 436
samux 1:80ab0d068708 437 if (device.state != CONFIGURED)
samux 1:80ab0d068708 438 {
samux 1:80ab0d068708 439 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 440 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 441 {
samux 1:80ab0d068708 442 return false;
samux 1:80ab0d068708 443 }
samux 1:80ab0d068708 444 }
samux 1:80ab0d068708 445
samux 1:80ab0d068708 446 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 447 {
samux 1:80ab0d068708 448 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 449 /* TODO: Currently only supports self powered devices */
samux 1:80ab0d068708 450 status = DEVICE_STATUS_SELF_POWERED;
samux 1:80ab0d068708 451 success = true;
samux 1:80ab0d068708 452 break;
samux 1:80ab0d068708 453 case INTERFACE_RECIPIENT:
samux 1:80ab0d068708 454 status = 0;
samux 1:80ab0d068708 455 success = true;
samux 1:80ab0d068708 456 break;
samux 1:80ab0d068708 457 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 458 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 459 if (getEndpointStallState(
samux 1:80ab0d068708 460 WINDEX_TO_PHYSICAL(transfer.setup.wIndex)))
samux 1:80ab0d068708 461 {
samux 1:80ab0d068708 462 status = ENDPOINT_STATUS_HALT;
samux 1:80ab0d068708 463 }
samux 1:80ab0d068708 464 else
samux 1:80ab0d068708 465 {
samux 1:80ab0d068708 466 status = 0;
samux 1:80ab0d068708 467 }
samux 1:80ab0d068708 468 success = true;
samux 1:80ab0d068708 469 break;
samux 1:80ab0d068708 470 default:
samux 1:80ab0d068708 471 break;
samux 1:80ab0d068708 472 }
samux 1:80ab0d068708 473
samux 1:80ab0d068708 474 if (success)
samux 1:80ab0d068708 475 {
mbed_official 25:7c72828865f3 476 /* Send the status */
samux 1:80ab0d068708 477 transfer.ptr = (uint8_t *)&status; /* Assumes little endian */
samux 1:80ab0d068708 478 transfer.remaining = sizeof(status);
samux 1:80ab0d068708 479 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 480 }
mbed_official 25:7c72828865f3 481
samux 1:80ab0d068708 482 return success;
samux 1:80ab0d068708 483 }
samux 1:80ab0d068708 484
samux 1:80ab0d068708 485 bool USBDevice::requestSetup(void)
samux 1:80ab0d068708 486 {
samux 1:80ab0d068708 487 bool success = false;
samux 1:80ab0d068708 488
samux 1:80ab0d068708 489 /* Process standard requests */
samux 1:80ab0d068708 490 if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE))
samux 1:80ab0d068708 491 {
samux 1:80ab0d068708 492 switch (transfer.setup.bRequest)
samux 1:80ab0d068708 493 {
samux 1:80ab0d068708 494 case GET_STATUS:
samux 1:80ab0d068708 495 success = requestGetStatus();
samux 1:80ab0d068708 496 break;
samux 1:80ab0d068708 497 case CLEAR_FEATURE:
samux 1:80ab0d068708 498 success = requestClearFeature();
samux 1:80ab0d068708 499 break;
samux 1:80ab0d068708 500 case SET_FEATURE:
samux 1:80ab0d068708 501 success = requestSetFeature();
samux 1:80ab0d068708 502 break;
samux 1:80ab0d068708 503 case SET_ADDRESS:
samux 1:80ab0d068708 504 success = requestSetAddress();
samux 1:80ab0d068708 505 break;
samux 1:80ab0d068708 506 case GET_DESCRIPTOR:
samux 1:80ab0d068708 507 success = requestGetDescriptor();
samux 1:80ab0d068708 508 break;
samux 1:80ab0d068708 509 case SET_DESCRIPTOR:
samux 1:80ab0d068708 510 /* TODO: Support is optional, not implemented here */
samux 1:80ab0d068708 511 success = false;
samux 1:80ab0d068708 512 break;
samux 1:80ab0d068708 513 case GET_CONFIGURATION:
samux 1:80ab0d068708 514 success = requestGetConfiguration();
samux 1:80ab0d068708 515 break;
samux 1:80ab0d068708 516 case SET_CONFIGURATION:
samux 1:80ab0d068708 517 success = requestSetConfiguration();
samux 1:80ab0d068708 518 break;
samux 1:80ab0d068708 519 case GET_INTERFACE:
samux 1:80ab0d068708 520 success = requestGetInterface();
samux 1:80ab0d068708 521 break;
samux 1:80ab0d068708 522 case SET_INTERFACE:
samux 1:80ab0d068708 523 success = requestSetInterface();
samux 1:80ab0d068708 524 break;
samux 1:80ab0d068708 525 default:
samux 1:80ab0d068708 526 break;
samux 1:80ab0d068708 527 }
samux 1:80ab0d068708 528 }
samux 1:80ab0d068708 529
samux 1:80ab0d068708 530 return success;
samux 1:80ab0d068708 531 }
samux 1:80ab0d068708 532
samux 1:80ab0d068708 533 bool USBDevice::controlSetup(void)
samux 1:80ab0d068708 534 {
samux 1:80ab0d068708 535 bool success = false;
samux 1:80ab0d068708 536
samux 1:80ab0d068708 537 /* Control transfer setup stage */
samux 1:80ab0d068708 538 uint8_t buffer[MAX_PACKET_SIZE_EP0];
samux 1:80ab0d068708 539
samux 1:80ab0d068708 540 EP0setup(buffer);
samux 1:80ab0d068708 541
samux 1:80ab0d068708 542 /* Initialise control transfer state */
samux 1:80ab0d068708 543 decodeSetupPacket(buffer, &transfer.setup);
samux 1:80ab0d068708 544 transfer.ptr = NULL;
samux 1:80ab0d068708 545 transfer.remaining = 0;
samux 1:80ab0d068708 546 transfer.direction = 0;
samux 1:80ab0d068708 547 transfer.zlp = false;
samux 1:80ab0d068708 548 transfer.notify = false;
mbed_official 25:7c72828865f3 549
samux 1:80ab0d068708 550 #ifdef DEBUG
samux 1:80ab0d068708 551 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 552 transfer.setup.bmRequestType.Type,
samux 1:80ab0d068708 553 transfer.setup.bmRequestType.Recipient,
samux 1:80ab0d068708 554 transfer.setup.bRequest,
samux 1:80ab0d068708 555 transfer.setup.wValue,
samux 1:80ab0d068708 556 transfer.setup.wIndex,
samux 1:80ab0d068708 557 transfer.setup.wLength);
samux 1:80ab0d068708 558 #endif
samux 1:80ab0d068708 559
samux 1:80ab0d068708 560 /* Class / vendor specific */
samux 1:80ab0d068708 561 success = USBCallback_request();
samux 1:80ab0d068708 562
samux 1:80ab0d068708 563 if (!success)
samux 1:80ab0d068708 564 {
samux 1:80ab0d068708 565 /* Standard requests */
samux 1:80ab0d068708 566 if (!requestSetup())
samux 1:80ab0d068708 567 {
samux 1:80ab0d068708 568 #ifdef DEBUG
samux 1:80ab0d068708 569 printf("fail!!!!\r\n");
samux 1:80ab0d068708 570 #endif
samux 1:80ab0d068708 571 return false;
samux 1:80ab0d068708 572 }
samux 1:80ab0d068708 573 }
samux 1:80ab0d068708 574
samux 1:80ab0d068708 575 /* Check transfer size and direction */
samux 1:80ab0d068708 576 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 577 {
samux 1:80ab0d068708 578 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 579 == DEVICE_TO_HOST)
samux 1:80ab0d068708 580 {
samux 1:80ab0d068708 581 /* IN data stage is required */
samux 1:80ab0d068708 582 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 583 {
samux 1:80ab0d068708 584 return false;
samux 1:80ab0d068708 585 }
samux 1:80ab0d068708 586
samux 1:80ab0d068708 587 /* Transfer must be less than or equal to the size */
samux 1:80ab0d068708 588 /* requested by the host */
samux 1:80ab0d068708 589 if (transfer.remaining > transfer.setup.wLength)
samux 1:80ab0d068708 590 {
samux 1:80ab0d068708 591 transfer.remaining = transfer.setup.wLength;
samux 1:80ab0d068708 592 }
samux 1:80ab0d068708 593 }
samux 1:80ab0d068708 594 else
samux 1:80ab0d068708 595 {
mbed_official 25:7c72828865f3 596
samux 1:80ab0d068708 597 /* OUT data stage is required */
samux 1:80ab0d068708 598 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 599 {
samux 1:80ab0d068708 600 return false;
samux 1:80ab0d068708 601 }
samux 1:80ab0d068708 602
samux 1:80ab0d068708 603 /* Transfer must be equal to the size requested by the host */
samux 1:80ab0d068708 604 if (transfer.remaining != transfer.setup.wLength)
samux 1:80ab0d068708 605 {
samux 1:80ab0d068708 606 return false;
samux 1:80ab0d068708 607 }
samux 1:80ab0d068708 608 }
samux 1:80ab0d068708 609 }
samux 1:80ab0d068708 610 else
samux 1:80ab0d068708 611 {
samux 1:80ab0d068708 612 /* No data stage; transfer size must be zero */
samux 1:80ab0d068708 613 if (transfer.remaining != 0)
samux 1:80ab0d068708 614 {
samux 1:80ab0d068708 615 return false;
samux 1:80ab0d068708 616 }
samux 1:80ab0d068708 617 }
samux 1:80ab0d068708 618
samux 1:80ab0d068708 619 /* Data or status stage if applicable */
samux 1:80ab0d068708 620 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 621 {
samux 1:80ab0d068708 622 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 623 == DEVICE_TO_HOST)
samux 1:80ab0d068708 624 {
samux 1:80ab0d068708 625 /* Check if we'll need to send a zero length packet at */
samux 1:80ab0d068708 626 /* the end of this transfer */
samux 1:80ab0d068708 627 if (transfer.setup.wLength > transfer.remaining)
samux 1:80ab0d068708 628 {
samux 1:80ab0d068708 629 /* Device wishes to transfer less than host requested */
samux 1:80ab0d068708 630 if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0)
samux 1:80ab0d068708 631 {
samux 1:80ab0d068708 632 /* Transfer is a multiple of EP0 max packet size */
samux 1:80ab0d068708 633 transfer.zlp = true;
samux 1:80ab0d068708 634 }
samux 1:80ab0d068708 635 }
samux 1:80ab0d068708 636
samux 1:80ab0d068708 637 /* IN stage */
samux 1:80ab0d068708 638 controlIn();
samux 1:80ab0d068708 639 }
samux 1:80ab0d068708 640 else
samux 1:80ab0d068708 641 {
samux 1:80ab0d068708 642 /* OUT stage */
samux 1:80ab0d068708 643 EP0read();
samux 1:80ab0d068708 644 }
samux 1:80ab0d068708 645 }
samux 1:80ab0d068708 646 else
samux 1:80ab0d068708 647 {
samux 1:80ab0d068708 648 /* Status stage */
samux 1:80ab0d068708 649 EP0write(NULL, 0);
samux 1:80ab0d068708 650 }
samux 1:80ab0d068708 651
samux 1:80ab0d068708 652 return true;
samux 1:80ab0d068708 653 }
samux 1:80ab0d068708 654
samux 1:80ab0d068708 655 void USBDevice::busReset(void)
samux 1:80ab0d068708 656 {
samux 1:80ab0d068708 657 device.state = DEFAULT;
samux 1:80ab0d068708 658 device.configuration = 0;
samux 1:80ab0d068708 659 device.suspended = false;
samux 1:80ab0d068708 660
samux 1:80ab0d068708 661 /* Call class / vendor specific busReset function */
samux 1:80ab0d068708 662 USBCallback_busReset();
samux 1:80ab0d068708 663 }
samux 1:80ab0d068708 664
samux 1:80ab0d068708 665 void USBDevice::EP0setupCallback(void)
samux 1:80ab0d068708 666 {
samux 1:80ab0d068708 667 /* Endpoint 0 setup event */
samux 1:80ab0d068708 668 if (!controlSetup())
samux 1:80ab0d068708 669 {
samux 1:80ab0d068708 670 /* Protocol stall */
samux 1:80ab0d068708 671 EP0stall();
samux 1:80ab0d068708 672 }
samux 1:80ab0d068708 673
samux 1:80ab0d068708 674 /* Return true if an OUT data stage is expected */
samux 1:80ab0d068708 675 }
samux 1:80ab0d068708 676
samux 1:80ab0d068708 677 void USBDevice::EP0out(void)
samux 1:80ab0d068708 678 {
samux 1:80ab0d068708 679 /* Endpoint 0 OUT data event */
samux 1:80ab0d068708 680 if (!controlOut())
samux 1:80ab0d068708 681 {
samux 1:80ab0d068708 682 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 683 EP0stall();
samux 1:80ab0d068708 684 }
samux 1:80ab0d068708 685 }
samux 1:80ab0d068708 686
samux 1:80ab0d068708 687 void USBDevice::EP0in(void)
samux 1:80ab0d068708 688 {
samux 1:80ab0d068708 689 #ifdef DEBUG
samux 1:80ab0d068708 690 printf("EP0IN\r\n");
samux 1:80ab0d068708 691 #endif
samux 1:80ab0d068708 692 /* Endpoint 0 IN data event */
samux 1:80ab0d068708 693 if (!controlIn())
samux 1:80ab0d068708 694 {
samux 1:80ab0d068708 695 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 696 EP0stall();
samux 1:80ab0d068708 697 }
samux 1:80ab0d068708 698 }
samux 1:80ab0d068708 699
samux 1:80ab0d068708 700 bool USBDevice::configured(void)
samux 1:80ab0d068708 701 {
samux 1:80ab0d068708 702 /* Returns true if device is in the CONFIGURED state */
samux 1:80ab0d068708 703 return (device.state == CONFIGURED);
samux 1:80ab0d068708 704 }
samux 1:80ab0d068708 705
mbed_official 18:78bdbce94509 706 void USBDevice::connect(bool blocking)
samux 1:80ab0d068708 707 {
samux 1:80ab0d068708 708 /* Connect device */
samux 1:80ab0d068708 709 USBHAL::connect();
mbed_official 25:7c72828865f3 710
mbed_official 18:78bdbce94509 711 if (blocking) {
mbed_official 18:78bdbce94509 712 /* Block if not configured */
mbed_official 18:78bdbce94509 713 while (!configured());
mbed_official 18:78bdbce94509 714 }
samux 1:80ab0d068708 715 }
samux 1:80ab0d068708 716
samux 1:80ab0d068708 717 void USBDevice::disconnect(void)
samux 1:80ab0d068708 718 {
samux 1:80ab0d068708 719 /* Disconnect device */
samux 1:80ab0d068708 720 USBHAL::disconnect();
samux 1:80ab0d068708 721 }
samux 1:80ab0d068708 722
samux 1:80ab0d068708 723 CONTROL_TRANSFER * USBDevice::getTransferPtr(void)
samux 1:80ab0d068708 724 {
samux 1:80ab0d068708 725 return &transfer;
samux 1:80ab0d068708 726 }
samux 1:80ab0d068708 727
samux 1:80ab0d068708 728 bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 729 {
samux 1:80ab0d068708 730 return realiseEndpoint(endpoint, maxPacket, 0);
samux 1:80ab0d068708 731 }
samux 1:80ab0d068708 732
samux 1:80ab0d068708 733 bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 734 {
samux 1:80ab0d068708 735 /* For interrupt endpoints only */
samux 1:80ab0d068708 736 return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE);
samux 1:80ab0d068708 737 }
samux 1:80ab0d068708 738
samux 1:80ab0d068708 739 uint8_t * USBDevice::findDescriptor(uint8_t descriptorType)
samux 1:80ab0d068708 740 {
samux 1:80ab0d068708 741 /* Find a descriptor within the list of descriptors */
samux 1:80ab0d068708 742 /* following a configuration descriptor. */
samux 1:80ab0d068708 743 uint16_t wTotalLength;
samux 1:80ab0d068708 744 uint8_t *ptr;
samux 1:80ab0d068708 745
samux 1:80ab0d068708 746 if (configurationDesc() == NULL)
samux 1:80ab0d068708 747 {
samux 1:80ab0d068708 748 return NULL;
samux 1:80ab0d068708 749 }
samux 1:80ab0d068708 750
samux 1:80ab0d068708 751 /* Check this is a configuration descriptor */
samux 1:80ab0d068708 752 if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 753 || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR))
samux 1:80ab0d068708 754 {
samux 1:80ab0d068708 755 return NULL;
samux 1:80ab0d068708 756 }
samux 1:80ab0d068708 757
samux 1:80ab0d068708 758 wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8);
samux 1:80ab0d068708 759
samux 1:80ab0d068708 760 /* Check there are some more descriptors to follow */
samux 1:80ab0d068708 761 if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2))
samux 1:80ab0d068708 762 /* +2 is for bLength and bDescriptorType of next descriptor */
samux 1:80ab0d068708 763 {
bogdanm 11:eeb3cbbaa996 764 return NULL;
samux 1:80ab0d068708 765 }
samux 1:80ab0d068708 766
samux 1:80ab0d068708 767 /* Start at first descriptor after the configuration descriptor */
samux 1:80ab0d068708 768 ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]);
samux 1:80ab0d068708 769
samux 1:80ab0d068708 770 do {
samux 1:80ab0d068708 771 if (ptr[1] /* bDescriptorType */ == descriptorType)
samux 1:80ab0d068708 772 {
samux 1:80ab0d068708 773 /* Found */
samux 1:80ab0d068708 774 return ptr;
samux 1:80ab0d068708 775 }
samux 1:80ab0d068708 776
samux 1:80ab0d068708 777 /* Skip to next descriptor */
samux 1:80ab0d068708 778 ptr += ptr[0]; /* bLength */
samux 1:80ab0d068708 779 } while (ptr < (configurationDesc() + wTotalLength));
samux 1:80ab0d068708 780
samux 1:80ab0d068708 781 /* Reached end of the descriptors - not found */
samux 1:80ab0d068708 782 return NULL;
samux 1:80ab0d068708 783 }
samux 1:80ab0d068708 784
samux 1:80ab0d068708 785
samux 1:80ab0d068708 786 void USBDevice::connectStateChanged(unsigned int connected)
samux 1:80ab0d068708 787 {
samux 1:80ab0d068708 788 }
samux 1:80ab0d068708 789
samux 1:80ab0d068708 790 void USBDevice::suspendStateChanged(unsigned int suspended)
samux 1:80ab0d068708 791 {
samux 1:80ab0d068708 792 }
samux 1:80ab0d068708 793
samux 1:80ab0d068708 794
samux 1:80ab0d068708 795 USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){
mbed_official 25:7c72828865f3 796 VENDOR_ID = vendor_id;
mbed_official 25:7c72828865f3 797 PRODUCT_ID = product_id;
samux 1:80ab0d068708 798 PRODUCT_RELEASE = product_release;
samux 1:80ab0d068708 799
samux 1:80ab0d068708 800 /* Set initial device state */
samux 1:80ab0d068708 801 device.state = POWERED;
samux 1:80ab0d068708 802 device.configuration = 0;
samux 1:80ab0d068708 803 device.suspended = false;
samux 1:80ab0d068708 804 };
samux 1:80ab0d068708 805
samux 1:80ab0d068708 806
samux 1:80ab0d068708 807 bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize)
samux 1:80ab0d068708 808 {
samux 1:80ab0d068708 809 return endpointRead(endpoint, maxSize) == EP_PENDING;
samux 1:80ab0d068708 810 }
samux 1:80ab0d068708 811
samux 1:80ab0d068708 812
samux 1:80ab0d068708 813 bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 814 {
samux 1:80ab0d068708 815 EP_STATUS result;
samux 1:80ab0d068708 816
samux 1:80ab0d068708 817 if (size > maxSize)
samux 1:80ab0d068708 818 {
samux 1:80ab0d068708 819 return false;
samux 1:80ab0d068708 820 }
mbed_official 25:7c72828865f3 821
mbed_official 25:7c72828865f3 822
samux 1:80ab0d068708 823 if(!configured()) {
samux 1:80ab0d068708 824 return false;
samux 1:80ab0d068708 825 }
mbed_official 25:7c72828865f3 826
samux 1:80ab0d068708 827 /* Send report */
samux 1:80ab0d068708 828 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 829
samux 1:80ab0d068708 830 if (result != EP_PENDING)
samux 1:80ab0d068708 831 {
samux 1:80ab0d068708 832 return false;
samux 1:80ab0d068708 833 }
samux 1:80ab0d068708 834
samux 1:80ab0d068708 835 /* Wait for completion */
samux 1:80ab0d068708 836 do {
samux 1:80ab0d068708 837 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 838 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 839
samux 1:80ab0d068708 840 return (result == EP_COMPLETED);
samux 1:80ab0d068708 841 }
samux 1:80ab0d068708 842
samux 1:80ab0d068708 843
samux 1:80ab0d068708 844 bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 845 {
samux 1:80ab0d068708 846 EP_STATUS result;
samux 1:80ab0d068708 847
samux 1:80ab0d068708 848 if (size > maxSize)
samux 1:80ab0d068708 849 {
samux 1:80ab0d068708 850 return false;
samux 1:80ab0d068708 851 }
mbed_official 25:7c72828865f3 852
samux 1:80ab0d068708 853 if(!configured()) {
samux 1:80ab0d068708 854 return false;
samux 1:80ab0d068708 855 }
samux 1:80ab0d068708 856
samux 1:80ab0d068708 857 /* Send report */
samux 1:80ab0d068708 858 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 859
samux 1:80ab0d068708 860 if (result != EP_PENDING)
samux 1:80ab0d068708 861 {
samux 1:80ab0d068708 862 return false;
samux 1:80ab0d068708 863 }
samux 1:80ab0d068708 864
samux 1:80ab0d068708 865 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 866
samux 1:80ab0d068708 867 return (result == EP_COMPLETED);
samux 1:80ab0d068708 868 }
samux 1:80ab0d068708 869
samux 1:80ab0d068708 870
samux 1:80ab0d068708 871
samux 1:80ab0d068708 872 bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 873 {
samux 1:80ab0d068708 874 EP_STATUS result;
mbed_official 25:7c72828865f3 875
samux 1:80ab0d068708 876 if(!configured()) {
samux 1:80ab0d068708 877 return false;
samux 1:80ab0d068708 878 }
samux 1:80ab0d068708 879
samux 1:80ab0d068708 880 /* Wait for completion */
samux 1:80ab0d068708 881 do {
samux 1:80ab0d068708 882 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 883 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 884
samux 1:80ab0d068708 885 return (result == EP_COMPLETED);
samux 1:80ab0d068708 886 }
samux 1:80ab0d068708 887
samux 1:80ab0d068708 888
samux 1:80ab0d068708 889 bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 890 {
samux 1:80ab0d068708 891 EP_STATUS result;
mbed_official 25:7c72828865f3 892
samux 1:80ab0d068708 893 if(!configured()) {
samux 1:80ab0d068708 894 return false;
samux 1:80ab0d068708 895 }
samux 1:80ab0d068708 896
samux 1:80ab0d068708 897 result = endpointReadResult(endpoint, buffer, size);
mbed_official 25:7c72828865f3 898
samux 1:80ab0d068708 899 return (result == EP_COMPLETED);
samux 1:80ab0d068708 900 }
samux 1:80ab0d068708 901
samux 1:80ab0d068708 902
samux 1:80ab0d068708 903
samux 1:80ab0d068708 904 uint8_t * USBDevice::deviceDesc() {
samux 1:80ab0d068708 905 static uint8_t deviceDescriptor[] = {
samux 1:80ab0d068708 906 DEVICE_DESCRIPTOR_LENGTH, /* bLength */
samux 1:80ab0d068708 907 DEVICE_DESCRIPTOR, /* bDescriptorType */
samux 1:80ab0d068708 908 LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
samux 1:80ab0d068708 909 MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
samux 1:80ab0d068708 910 0x00, /* bDeviceClass */
samux 1:80ab0d068708 911 0x00, /* bDeviceSubClass */
samux 1:80ab0d068708 912 0x00, /* bDeviceprotocol */
samux 1:80ab0d068708 913 MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
bogdanm 11:eeb3cbbaa996 914 (uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */
bogdanm 11:eeb3cbbaa996 915 (uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */
bogdanm 11:eeb3cbbaa996 916 (uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */
bogdanm 11:eeb3cbbaa996 917 (uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */
bogdanm 11:eeb3cbbaa996 918 (uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */
bogdanm 11:eeb3cbbaa996 919 (uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */
samux 1:80ab0d068708 920 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
samux 1:80ab0d068708 921 STRING_OFFSET_IPRODUCT, /* iProduct */
samux 1:80ab0d068708 922 STRING_OFFSET_ISERIAL, /* iSerialNumber */
samux 1:80ab0d068708 923 0x01 /* bNumConfigurations */
samux 1:80ab0d068708 924 };
samux 1:80ab0d068708 925 return deviceDescriptor;
samux 1:80ab0d068708 926 }
samux 1:80ab0d068708 927
samux 1:80ab0d068708 928 uint8_t * USBDevice::stringLangidDesc() {
samux 1:80ab0d068708 929 static uint8_t stringLangidDescriptor[] = {
samux 1:80ab0d068708 930 0x04, /*bLength*/
samux 1:80ab0d068708 931 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
mbed_official 17:bbd6dac92961 932 0x09,0x04, /*bString Lang ID - 0x0409 - English*/
samux 1:80ab0d068708 933 };
samux 1:80ab0d068708 934 return stringLangidDescriptor;
samux 1:80ab0d068708 935 }
samux 1:80ab0d068708 936
samux 1:80ab0d068708 937 uint8_t * USBDevice::stringImanufacturerDesc() {
samux 1:80ab0d068708 938 static uint8_t stringImanufacturerDescriptor[] = {
samux 1:80ab0d068708 939 0x12, /*bLength*/
samux 1:80ab0d068708 940 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 941 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/
samux 1:80ab0d068708 942 };
samux 1:80ab0d068708 943 return stringImanufacturerDescriptor;
samux 1:80ab0d068708 944 }
samux 1:80ab0d068708 945
samux 1:80ab0d068708 946 uint8_t * USBDevice::stringIserialDesc() {
samux 1:80ab0d068708 947 static uint8_t stringIserialDescriptor[] = {
samux 1:80ab0d068708 948 0x16, /*bLength*/
samux 1:80ab0d068708 949 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 950 '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 951 };
samux 1:80ab0d068708 952 return stringIserialDescriptor;
samux 1:80ab0d068708 953 }
samux 1:80ab0d068708 954
samux 1:80ab0d068708 955 uint8_t * USBDevice::stringIConfigurationDesc() {
samux 1:80ab0d068708 956 static uint8_t stringIconfigurationDescriptor[] = {
samux 1:80ab0d068708 957 0x06, /*bLength*/
samux 1:80ab0d068708 958 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 959 '0',0,'1',0, /*bString iConfiguration - 01*/
samux 1:80ab0d068708 960 };
samux 1:80ab0d068708 961 return stringIconfigurationDescriptor;
samux 1:80ab0d068708 962 }
samux 1:80ab0d068708 963
samux 1:80ab0d068708 964 uint8_t * USBDevice::stringIinterfaceDesc() {
samux 1:80ab0d068708 965 static uint8_t stringIinterfaceDescriptor[] = {
samux 1:80ab0d068708 966 0x08, /*bLength*/
samux 1:80ab0d068708 967 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 968 'U',0,'S',0,'B',0, /*bString iInterface - USB*/
samux 1:80ab0d068708 969 };
samux 1:80ab0d068708 970 return stringIinterfaceDescriptor;
samux 1:80ab0d068708 971 }
samux 1:80ab0d068708 972
samux 1:80ab0d068708 973 uint8_t * USBDevice::stringIproductDesc() {
samux 1:80ab0d068708 974 static uint8_t stringIproductDescriptor[] = {
samux 1:80ab0d068708 975 0x16, /*bLength*/
samux 1:80ab0d068708 976 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 977 '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 978 };
samux 1:80ab0d068708 979 return stringIproductDescriptor;
samux 1:80ab0d068708 980 }