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USB device stack

Dependents:   mbed-mX-USB-TEST1 USBMSD_SD_HID_HelloWorld HidTest MIDI_usb_bridge ... more

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USBDevice/USBDevice.cpp@71:53949e6131f6, 2017-07-27 (annotated)

Committer:
Kojto
Date:
Thu Jul 27 12:14:04 2017 +0100
Revision:
71:53949e6131f6
Parent:
43:c0605f23f916 
Update libraries



Fixes the previous commmit, as some devices were not copied. USBDevice contains

now targets directory with all targets implementations

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 {
mbed_official 43:c0605f23f916 190 #if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F) | defined(TARGET_K22F) | defined(TARGET_TEENSY3_1)
mbed_official 28:c09a0c9bf425 191 /*
mbed_official 28:c09a0c9bf425 192 * We seem to have a pending device-to-host transfer. The host must have
mbed_official 28:c09a0c9bf425 193 * sent a new control request without waiting for us to finish processing
mbed_official 28:c09a0c9bf425 194 * the previous one. This appears to happen when we're connected to certain
mbed_official 28:c09a0c9bf425 195 * USB 3.0 host chip set. Do a zeor-length send to tell the host we're not
mbed_official 28:c09a0c9bf425 196 * ready for the new request - that'll make it resend - and then just
mbed_official 28:c09a0c9bf425 197 * pretend we were successful here so that the pending transfer can finish.
mbed_official 28:c09a0c9bf425 198 */
mbed_official 28:c09a0c9bf425 199 uint8_t buf[1] = { 0 };
mbed_official 28:c09a0c9bf425 200 EP0write(buf, 0);
mbed_official 28:c09a0c9bf425 201
mbed_official 28:c09a0c9bf425 202 /* execute our pending ttransfer */
mbed_official 28:c09a0c9bf425 203 controlIn();
mbed_official 28:c09a0c9bf425 204
mbed_official 28:c09a0c9bf425 205 /* indicate success */
mbed_official 28:c09a0c9bf425 206 return true;
mbed_official 28:c09a0c9bf425 207 #else
mbed_official 28:c09a0c9bf425 208 /* for other platforms, count on the HAL to handle this case */
mbed_official 28:c09a0c9bf425 209 return false;
mbed_official 28:c09a0c9bf425 210 #endif
samux 1:80ab0d068708 211 }
samux 1:80ab0d068708 212
samux 1:80ab0d068708 213 /* Read from endpoint */
samux 1:80ab0d068708 214 packetSize = EP0getReadResult(buffer);
samux 1:80ab0d068708 215
samux 1:80ab0d068708 216 /* Check if transfer size is valid */
samux 1:80ab0d068708 217 if (packetSize > transfer.remaining)
samux 1:80ab0d068708 218 {
samux 1:80ab0d068708 219 /* Too big */
samux 1:80ab0d068708 220 return false;
samux 1:80ab0d068708 221 }
samux 1:80ab0d068708 222
samux 1:80ab0d068708 223 /* Update transfer */
samux 1:80ab0d068708 224 transfer.ptr += packetSize;
samux 1:80ab0d068708 225 transfer.remaining -= packetSize;
samux 1:80ab0d068708 226
samux 1:80ab0d068708 227 /* Check if transfer has completed */
samux 1:80ab0d068708 228 if (transfer.remaining == 0)
samux 1:80ab0d068708 229 {
samux 1:80ab0d068708 230 /* Transfer completed */
samux 1:80ab0d068708 231 if (transfer.notify)
samux 1:80ab0d068708 232 {
samux 1:80ab0d068708 233 /* Notify class layer. */
samux 1:80ab0d068708 234 USBCallback_requestCompleted(buffer, packetSize);
samux 1:80ab0d068708 235 transfer.notify = false;
samux 1:80ab0d068708 236 }
samux 1:80ab0d068708 237 /* Status stage */
samux 1:80ab0d068708 238 EP0write(NULL, 0);
samux 1:80ab0d068708 239 }
samux 1:80ab0d068708 240 else
samux 1:80ab0d068708 241 {
samux 1:80ab0d068708 242 EP0read();
samux 1:80ab0d068708 243 }
samux 1:80ab0d068708 244
samux 1:80ab0d068708 245 return true;
samux 1:80ab0d068708 246 }
samux 1:80ab0d068708 247
samux 1:80ab0d068708 248 bool USBDevice::controlIn(void)
samux 1:80ab0d068708 249 {
samux 1:80ab0d068708 250 /* Control transfer data IN stage */
samux 1:80ab0d068708 251 uint32_t packetSize;
samux 1:80ab0d068708 252
samux 1:80ab0d068708 253 /* Check if transfer has completed (status stage transactions */
samux 1:80ab0d068708 254 /* also have transfer.remaining == 0) */
samux 1:80ab0d068708 255 if (transfer.remaining == 0)
samux 1:80ab0d068708 256 {
samux 1:80ab0d068708 257 if (transfer.zlp)
samux 1:80ab0d068708 258 {
samux 1:80ab0d068708 259 /* Send zero length packet */
samux 1:80ab0d068708 260 EP0write(NULL, 0);
samux 1:80ab0d068708 261 transfer.zlp = false;
samux 1:80ab0d068708 262 }
samux 1:80ab0d068708 263
samux 1:80ab0d068708 264 /* Transfer completed */
samux 1:80ab0d068708 265 if (transfer.notify)
samux 1:80ab0d068708 266 {
samux 1:80ab0d068708 267 /* Notify class layer. */
samux 1:80ab0d068708 268 USBCallback_requestCompleted(NULL, 0);
samux 1:80ab0d068708 269 transfer.notify = false;
samux 1:80ab0d068708 270 }
samux 1:80ab0d068708 271
samux 1:80ab0d068708 272 EP0read();
samux 8:335f2506f422 273 EP0readStage();
samux 1:80ab0d068708 274
samux 1:80ab0d068708 275 /* Completed */
samux 1:80ab0d068708 276 return true;
samux 1:80ab0d068708 277 }
samux 1:80ab0d068708 278
samux 1:80ab0d068708 279 /* Check we should be transferring data IN */
samux 1:80ab0d068708 280 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 281 {
samux 1:80ab0d068708 282 return false;
samux 1:80ab0d068708 283 }
samux 1:80ab0d068708 284
samux 1:80ab0d068708 285 packetSize = transfer.remaining;
samux 1:80ab0d068708 286
samux 1:80ab0d068708 287 if (packetSize > MAX_PACKET_SIZE_EP0)
samux 1:80ab0d068708 288 {
samux 1:80ab0d068708 289 packetSize = MAX_PACKET_SIZE_EP0;
samux 1:80ab0d068708 290 }
samux 1:80ab0d068708 291
samux 1:80ab0d068708 292 /* Write to endpoint */
samux 1:80ab0d068708 293 EP0write(transfer.ptr, packetSize);
samux 1:80ab0d068708 294
samux 1:80ab0d068708 295 /* Update transfer */
samux 1:80ab0d068708 296 transfer.ptr += packetSize;
samux 1:80ab0d068708 297 transfer.remaining -= packetSize;
samux 1:80ab0d068708 298
samux 1:80ab0d068708 299 return true;
samux 1:80ab0d068708 300 }
samux 1:80ab0d068708 301
samux 1:80ab0d068708 302 bool USBDevice::requestSetAddress(void)
samux 1:80ab0d068708 303 {
samux 1:80ab0d068708 304 /* Set the device address */
samux 1:80ab0d068708 305 setAddress(transfer.setup.wValue);
samux 1:80ab0d068708 306
samux 1:80ab0d068708 307 if (transfer.setup.wValue == 0)
samux 1:80ab0d068708 308 {
samux 1:80ab0d068708 309 device.state = DEFAULT;
samux 1:80ab0d068708 310 }
samux 1:80ab0d068708 311 else
samux 1:80ab0d068708 312 {
samux 1:80ab0d068708 313 device.state = ADDRESS;
samux 1:80ab0d068708 314 }
samux 1:80ab0d068708 315
samux 1:80ab0d068708 316 return true;
samux 1:80ab0d068708 317 }
samux 1:80ab0d068708 318
samux 1:80ab0d068708 319 bool USBDevice::requestSetConfiguration(void)
samux 1:80ab0d068708 320 {
samux 1:80ab0d068708 321
samux 1:80ab0d068708 322 device.configuration = transfer.setup.wValue;
samux 1:80ab0d068708 323 /* Set the device configuration */
samux 1:80ab0d068708 324 if (device.configuration == 0)
samux 1:80ab0d068708 325 {
samux 1:80ab0d068708 326 /* Not configured */
samux 1:80ab0d068708 327 unconfigureDevice();
samux 1:80ab0d068708 328 device.state = ADDRESS;
samux 1:80ab0d068708 329 }
samux 1:80ab0d068708 330 else
samux 1:80ab0d068708 331 {
samux 1:80ab0d068708 332 if (USBCallback_setConfiguration(device.configuration))
samux 1:80ab0d068708 333 {
samux 1:80ab0d068708 334 /* Valid configuration */
samux 1:80ab0d068708 335 configureDevice();
samux 1:80ab0d068708 336 device.state = CONFIGURED;
samux 1:80ab0d068708 337 }
samux 1:80ab0d068708 338 else
samux 1:80ab0d068708 339 {
samux 1:80ab0d068708 340 return false;
samux 1:80ab0d068708 341 }
samux 1:80ab0d068708 342 }
samux 1:80ab0d068708 343
samux 1:80ab0d068708 344 return true;
samux 1:80ab0d068708 345 }
samux 1:80ab0d068708 346
samux 1:80ab0d068708 347 bool USBDevice::requestGetConfiguration(void)
samux 1:80ab0d068708 348 {
samux 1:80ab0d068708 349 /* Send the device configuration */
samux 1:80ab0d068708 350 transfer.ptr = &device.configuration;
samux 1:80ab0d068708 351 transfer.remaining = sizeof(device.configuration);
samux 1:80ab0d068708 352 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 353 return true;
samux 1:80ab0d068708 354 }
samux 1:80ab0d068708 355
samux 1:80ab0d068708 356 bool USBDevice::requestGetInterface(void)
samux 1:80ab0d068708 357 {
samux 1:80ab0d068708 358 /* Return the selected alternate setting for an interface */
samux 1:80ab0d068708 359
samux 1:80ab0d068708 360 if (device.state != CONFIGURED)
samux 1:80ab0d068708 361 {
samux 1:80ab0d068708 362 return false;
samux 1:80ab0d068708 363 }
samux 1:80ab0d068708 364
samux 1:80ab0d068708 365 /* Send the alternate setting */
samux 1:80ab0d068708 366 transfer.setup.wIndex = currentInterface;
samux 1:80ab0d068708 367 transfer.ptr = &currentAlternate;
samux 1:80ab0d068708 368 transfer.remaining = sizeof(currentAlternate);
samux 1:80ab0d068708 369 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 370 return true;
samux 1:80ab0d068708 371 }
samux 1:80ab0d068708 372
samux 1:80ab0d068708 373 bool USBDevice::requestSetInterface(void)
samux 1:80ab0d068708 374 {
samux 1:80ab0d068708 375 bool success = false;
samux 1:80ab0d068708 376 if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue))
samux 1:80ab0d068708 377 {
samux 1:80ab0d068708 378 success = true;
samux 1:80ab0d068708 379 currentInterface = transfer.setup.wIndex;
mbed_official 25:7c72828865f3 380 currentAlternate = transfer.setup.wValue;
samux 1:80ab0d068708 381 }
samux 1:80ab0d068708 382 return success;
samux 1:80ab0d068708 383 }
samux 1:80ab0d068708 384
samux 1:80ab0d068708 385 bool USBDevice::requestSetFeature()
samux 1:80ab0d068708 386 {
samux 1:80ab0d068708 387 bool success = false;
samux 1:80ab0d068708 388
samux 1:80ab0d068708 389 if (device.state != CONFIGURED)
samux 1:80ab0d068708 390 {
samux 1:80ab0d068708 391 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 392 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 393 {
samux 1:80ab0d068708 394 return false;
samux 1:80ab0d068708 395 }
samux 1:80ab0d068708 396 }
samux 1:80ab0d068708 397
samux 1:80ab0d068708 398 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 399 {
samux 1:80ab0d068708 400 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 401 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 402 break;
samux 1:80ab0d068708 403 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 404 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 405 {
samux 1:80ab0d068708 406 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 407 stallEndpoint(
samux 1:80ab0d068708 408 WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 409 success = true;
samux 1:80ab0d068708 410 }
samux 1:80ab0d068708 411 break;
samux 1:80ab0d068708 412 default:
samux 1:80ab0d068708 413 break;
samux 1:80ab0d068708 414 }
samux 1:80ab0d068708 415
samux 1:80ab0d068708 416 return success;
samux 1:80ab0d068708 417 }
samux 1:80ab0d068708 418
samux 1:80ab0d068708 419 bool USBDevice::requestClearFeature()
samux 1:80ab0d068708 420 {
samux 1:80ab0d068708 421 bool success = false;
samux 1:80ab0d068708 422
samux 1:80ab0d068708 423 if (device.state != CONFIGURED)
samux 1:80ab0d068708 424 {
samux 1:80ab0d068708 425 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 426 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 427 {
samux 1:80ab0d068708 428 return false;
samux 1:80ab0d068708 429 }
samux 1:80ab0d068708 430 }
samux 1:80ab0d068708 431
samux 1:80ab0d068708 432 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 433 {
samux 1:80ab0d068708 434 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 435 /* TODO: Remote wakeup feature not supported */
samux 1:80ab0d068708 436 break;
samux 1:80ab0d068708 437 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 438 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 439 if (transfer.setup.wValue == ENDPOINT_HALT)
samux 1:80ab0d068708 440 {
samux 1:80ab0d068708 441 unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
samux 1:80ab0d068708 442 success = true;
samux 1:80ab0d068708 443 }
samux 1:80ab0d068708 444 break;
samux 1:80ab0d068708 445 default:
samux 1:80ab0d068708 446 break;
samux 1:80ab0d068708 447 }
samux 1:80ab0d068708 448
samux 1:80ab0d068708 449 return success;
samux 1:80ab0d068708 450 }
samux 1:80ab0d068708 451
samux 1:80ab0d068708 452 bool USBDevice::requestGetStatus(void)
samux 1:80ab0d068708 453 {
samux 1:80ab0d068708 454 static uint16_t status;
samux 1:80ab0d068708 455 bool success = false;
samux 1:80ab0d068708 456
samux 1:80ab0d068708 457 if (device.state != CONFIGURED)
samux 1:80ab0d068708 458 {
samux 1:80ab0d068708 459 /* Endpoint or interface must be zero */
samux 1:80ab0d068708 460 if (transfer.setup.wIndex != 0)
samux 1:80ab0d068708 461 {
samux 1:80ab0d068708 462 return false;
samux 1:80ab0d068708 463 }
samux 1:80ab0d068708 464 }
samux 1:80ab0d068708 465
samux 1:80ab0d068708 466 switch (transfer.setup.bmRequestType.Recipient)
samux 1:80ab0d068708 467 {
samux 1:80ab0d068708 468 case DEVICE_RECIPIENT:
samux 1:80ab0d068708 469 /* TODO: Currently only supports self powered devices */
samux 1:80ab0d068708 470 status = DEVICE_STATUS_SELF_POWERED;
samux 1:80ab0d068708 471 success = true;
samux 1:80ab0d068708 472 break;
samux 1:80ab0d068708 473 case INTERFACE_RECIPIENT:
samux 1:80ab0d068708 474 status = 0;
samux 1:80ab0d068708 475 success = true;
samux 1:80ab0d068708 476 break;
samux 1:80ab0d068708 477 case ENDPOINT_RECIPIENT:
samux 1:80ab0d068708 478 /* TODO: We should check that the endpoint number is valid */
samux 1:80ab0d068708 479 if (getEndpointStallState(
samux 1:80ab0d068708 480 WINDEX_TO_PHYSICAL(transfer.setup.wIndex)))
samux 1:80ab0d068708 481 {
samux 1:80ab0d068708 482 status = ENDPOINT_STATUS_HALT;
samux 1:80ab0d068708 483 }
samux 1:80ab0d068708 484 else
samux 1:80ab0d068708 485 {
samux 1:80ab0d068708 486 status = 0;
samux 1:80ab0d068708 487 }
samux 1:80ab0d068708 488 success = true;
samux 1:80ab0d068708 489 break;
samux 1:80ab0d068708 490 default:
samux 1:80ab0d068708 491 break;
samux 1:80ab0d068708 492 }
samux 1:80ab0d068708 493
samux 1:80ab0d068708 494 if (success)
samux 1:80ab0d068708 495 {
mbed_official 25:7c72828865f3 496 /* Send the status */
samux 1:80ab0d068708 497 transfer.ptr = (uint8_t *)&status; /* Assumes little endian */
samux 1:80ab0d068708 498 transfer.remaining = sizeof(status);
samux 1:80ab0d068708 499 transfer.direction = DEVICE_TO_HOST;
samux 1:80ab0d068708 500 }
mbed_official 25:7c72828865f3 501
samux 1:80ab0d068708 502 return success;
samux 1:80ab0d068708 503 }
samux 1:80ab0d068708 504
samux 1:80ab0d068708 505 bool USBDevice::requestSetup(void)
samux 1:80ab0d068708 506 {
samux 1:80ab0d068708 507 bool success = false;
samux 1:80ab0d068708 508
samux 1:80ab0d068708 509 /* Process standard requests */
samux 1:80ab0d068708 510 if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE))
samux 1:80ab0d068708 511 {
samux 1:80ab0d068708 512 switch (transfer.setup.bRequest)
samux 1:80ab0d068708 513 {
samux 1:80ab0d068708 514 case GET_STATUS:
samux 1:80ab0d068708 515 success = requestGetStatus();
samux 1:80ab0d068708 516 break;
samux 1:80ab0d068708 517 case CLEAR_FEATURE:
samux 1:80ab0d068708 518 success = requestClearFeature();
samux 1:80ab0d068708 519 break;
samux 1:80ab0d068708 520 case SET_FEATURE:
samux 1:80ab0d068708 521 success = requestSetFeature();
samux 1:80ab0d068708 522 break;
samux 1:80ab0d068708 523 case SET_ADDRESS:
samux 1:80ab0d068708 524 success = requestSetAddress();
samux 1:80ab0d068708 525 break;
samux 1:80ab0d068708 526 case GET_DESCRIPTOR:
samux 1:80ab0d068708 527 success = requestGetDescriptor();
samux 1:80ab0d068708 528 break;
samux 1:80ab0d068708 529 case SET_DESCRIPTOR:
samux 1:80ab0d068708 530 /* TODO: Support is optional, not implemented here */
samux 1:80ab0d068708 531 success = false;
samux 1:80ab0d068708 532 break;
samux 1:80ab0d068708 533 case GET_CONFIGURATION:
samux 1:80ab0d068708 534 success = requestGetConfiguration();
samux 1:80ab0d068708 535 break;
samux 1:80ab0d068708 536 case SET_CONFIGURATION:
samux 1:80ab0d068708 537 success = requestSetConfiguration();
samux 1:80ab0d068708 538 break;
samux 1:80ab0d068708 539 case GET_INTERFACE:
samux 1:80ab0d068708 540 success = requestGetInterface();
samux 1:80ab0d068708 541 break;
samux 1:80ab0d068708 542 case SET_INTERFACE:
samux 1:80ab0d068708 543 success = requestSetInterface();
samux 1:80ab0d068708 544 break;
samux 1:80ab0d068708 545 default:
samux 1:80ab0d068708 546 break;
samux 1:80ab0d068708 547 }
samux 1:80ab0d068708 548 }
samux 1:80ab0d068708 549
samux 1:80ab0d068708 550 return success;
samux 1:80ab0d068708 551 }
samux 1:80ab0d068708 552
samux 1:80ab0d068708 553 bool USBDevice::controlSetup(void)
samux 1:80ab0d068708 554 {
samux 1:80ab0d068708 555 bool success = false;
samux 1:80ab0d068708 556
samux 1:80ab0d068708 557 /* Control transfer setup stage */
samux 1:80ab0d068708 558 uint8_t buffer[MAX_PACKET_SIZE_EP0];
samux 1:80ab0d068708 559
samux 1:80ab0d068708 560 EP0setup(buffer);
samux 1:80ab0d068708 561
samux 1:80ab0d068708 562 /* Initialise control transfer state */
samux 1:80ab0d068708 563 decodeSetupPacket(buffer, &transfer.setup);
samux 1:80ab0d068708 564 transfer.ptr = NULL;
samux 1:80ab0d068708 565 transfer.remaining = 0;
samux 1:80ab0d068708 566 transfer.direction = 0;
samux 1:80ab0d068708 567 transfer.zlp = false;
samux 1:80ab0d068708 568 transfer.notify = false;
mbed_official 25:7c72828865f3 569
samux 1:80ab0d068708 570 #ifdef DEBUG
samux 1:80ab0d068708 571 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 572 transfer.setup.bmRequestType.Type,
samux 1:80ab0d068708 573 transfer.setup.bmRequestType.Recipient,
samux 1:80ab0d068708 574 transfer.setup.bRequest,
samux 1:80ab0d068708 575 transfer.setup.wValue,
samux 1:80ab0d068708 576 transfer.setup.wIndex,
samux 1:80ab0d068708 577 transfer.setup.wLength);
samux 1:80ab0d068708 578 #endif
samux 1:80ab0d068708 579
samux 1:80ab0d068708 580 /* Class / vendor specific */
samux 1:80ab0d068708 581 success = USBCallback_request();
samux 1:80ab0d068708 582
samux 1:80ab0d068708 583 if (!success)
samux 1:80ab0d068708 584 {
samux 1:80ab0d068708 585 /* Standard requests */
samux 1:80ab0d068708 586 if (!requestSetup())
samux 1:80ab0d068708 587 {
samux 1:80ab0d068708 588 #ifdef DEBUG
samux 1:80ab0d068708 589 printf("fail!!!!\r\n");
samux 1:80ab0d068708 590 #endif
samux 1:80ab0d068708 591 return false;
samux 1:80ab0d068708 592 }
samux 1:80ab0d068708 593 }
samux 1:80ab0d068708 594
samux 1:80ab0d068708 595 /* Check transfer size and direction */
samux 1:80ab0d068708 596 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 597 {
samux 1:80ab0d068708 598 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 599 == DEVICE_TO_HOST)
samux 1:80ab0d068708 600 {
samux 1:80ab0d068708 601 /* IN data stage is required */
samux 1:80ab0d068708 602 if (transfer.direction != DEVICE_TO_HOST)
samux 1:80ab0d068708 603 {
samux 1:80ab0d068708 604 return false;
samux 1:80ab0d068708 605 }
samux 1:80ab0d068708 606
samux 1:80ab0d068708 607 /* Transfer must be less than or equal to the size */
samux 1:80ab0d068708 608 /* requested by the host */
samux 1:80ab0d068708 609 if (transfer.remaining > transfer.setup.wLength)
samux 1:80ab0d068708 610 {
samux 1:80ab0d068708 611 transfer.remaining = transfer.setup.wLength;
samux 1:80ab0d068708 612 }
samux 1:80ab0d068708 613 }
samux 1:80ab0d068708 614 else
samux 1:80ab0d068708 615 {
mbed_official 25:7c72828865f3 616
samux 1:80ab0d068708 617 /* OUT data stage is required */
samux 1:80ab0d068708 618 if (transfer.direction != HOST_TO_DEVICE)
samux 1:80ab0d068708 619 {
samux 1:80ab0d068708 620 return false;
samux 1:80ab0d068708 621 }
samux 1:80ab0d068708 622
samux 1:80ab0d068708 623 /* Transfer must be equal to the size requested by the host */
samux 1:80ab0d068708 624 if (transfer.remaining != transfer.setup.wLength)
samux 1:80ab0d068708 625 {
samux 1:80ab0d068708 626 return false;
samux 1:80ab0d068708 627 }
samux 1:80ab0d068708 628 }
samux 1:80ab0d068708 629 }
samux 1:80ab0d068708 630 else
samux 1:80ab0d068708 631 {
samux 1:80ab0d068708 632 /* No data stage; transfer size must be zero */
samux 1:80ab0d068708 633 if (transfer.remaining != 0)
samux 1:80ab0d068708 634 {
samux 1:80ab0d068708 635 return false;
samux 1:80ab0d068708 636 }
samux 1:80ab0d068708 637 }
samux 1:80ab0d068708 638
samux 1:80ab0d068708 639 /* Data or status stage if applicable */
samux 1:80ab0d068708 640 if (transfer.setup.wLength>0)
samux 1:80ab0d068708 641 {
samux 1:80ab0d068708 642 if (transfer.setup.bmRequestType.dataTransferDirection \
samux 1:80ab0d068708 643 == DEVICE_TO_HOST)
samux 1:80ab0d068708 644 {
samux 1:80ab0d068708 645 /* Check if we'll need to send a zero length packet at */
samux 1:80ab0d068708 646 /* the end of this transfer */
samux 1:80ab0d068708 647 if (transfer.setup.wLength > transfer.remaining)
samux 1:80ab0d068708 648 {
samux 1:80ab0d068708 649 /* Device wishes to transfer less than host requested */
samux 1:80ab0d068708 650 if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0)
samux 1:80ab0d068708 651 {
samux 1:80ab0d068708 652 /* Transfer is a multiple of EP0 max packet size */
samux 1:80ab0d068708 653 transfer.zlp = true;
samux 1:80ab0d068708 654 }
samux 1:80ab0d068708 655 }
samux 1:80ab0d068708 656
samux 1:80ab0d068708 657 /* IN stage */
samux 1:80ab0d068708 658 controlIn();
samux 1:80ab0d068708 659 }
samux 1:80ab0d068708 660 else
samux 1:80ab0d068708 661 {
samux 1:80ab0d068708 662 /* OUT stage */
samux 1:80ab0d068708 663 EP0read();
samux 1:80ab0d068708 664 }
samux 1:80ab0d068708 665 }
samux 1:80ab0d068708 666 else
samux 1:80ab0d068708 667 {
samux 1:80ab0d068708 668 /* Status stage */
samux 1:80ab0d068708 669 EP0write(NULL, 0);
samux 1:80ab0d068708 670 }
samux 1:80ab0d068708 671
samux 1:80ab0d068708 672 return true;
samux 1:80ab0d068708 673 }
samux 1:80ab0d068708 674
samux 1:80ab0d068708 675 void USBDevice::busReset(void)
samux 1:80ab0d068708 676 {
samux 1:80ab0d068708 677 device.state = DEFAULT;
samux 1:80ab0d068708 678 device.configuration = 0;
samux 1:80ab0d068708 679 device.suspended = false;
samux 1:80ab0d068708 680
samux 1:80ab0d068708 681 /* Call class / vendor specific busReset function */
samux 1:80ab0d068708 682 USBCallback_busReset();
samux 1:80ab0d068708 683 }
samux 1:80ab0d068708 684
samux 1:80ab0d068708 685 void USBDevice::EP0setupCallback(void)
samux 1:80ab0d068708 686 {
samux 1:80ab0d068708 687 /* Endpoint 0 setup event */
samux 1:80ab0d068708 688 if (!controlSetup())
samux 1:80ab0d068708 689 {
samux 1:80ab0d068708 690 /* Protocol stall */
samux 1:80ab0d068708 691 EP0stall();
samux 1:80ab0d068708 692 }
samux 1:80ab0d068708 693
samux 1:80ab0d068708 694 /* Return true if an OUT data stage is expected */
samux 1:80ab0d068708 695 }
samux 1:80ab0d068708 696
samux 1:80ab0d068708 697 void USBDevice::EP0out(void)
samux 1:80ab0d068708 698 {
samux 1:80ab0d068708 699 /* Endpoint 0 OUT data event */
samux 1:80ab0d068708 700 if (!controlOut())
samux 1:80ab0d068708 701 {
samux 1:80ab0d068708 702 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 703 EP0stall();
samux 1:80ab0d068708 704 }
samux 1:80ab0d068708 705 }
samux 1:80ab0d068708 706
samux 1:80ab0d068708 707 void USBDevice::EP0in(void)
samux 1:80ab0d068708 708 {
samux 1:80ab0d068708 709 #ifdef DEBUG
samux 1:80ab0d068708 710 printf("EP0IN\r\n");
samux 1:80ab0d068708 711 #endif
samux 1:80ab0d068708 712 /* Endpoint 0 IN data event */
samux 1:80ab0d068708 713 if (!controlIn())
samux 1:80ab0d068708 714 {
samux 1:80ab0d068708 715 /* Protocol stall; this will stall both endpoints */
samux 1:80ab0d068708 716 EP0stall();
samux 1:80ab0d068708 717 }
samux 1:80ab0d068708 718 }
samux 1:80ab0d068708 719
samux 1:80ab0d068708 720 bool USBDevice::configured(void)
samux 1:80ab0d068708 721 {
samux 1:80ab0d068708 722 /* Returns true if device is in the CONFIGURED state */
samux 1:80ab0d068708 723 return (device.state == CONFIGURED);
samux 1:80ab0d068708 724 }
samux 1:80ab0d068708 725
mbed_official 18:78bdbce94509 726 void USBDevice::connect(bool blocking)
samux 1:80ab0d068708 727 {
samux 1:80ab0d068708 728 /* Connect device */
samux 1:80ab0d068708 729 USBHAL::connect();
mbed_official 25:7c72828865f3 730
mbed_official 18:78bdbce94509 731 if (blocking) {
mbed_official 18:78bdbce94509 732 /* Block if not configured */
mbed_official 18:78bdbce94509 733 while (!configured());
mbed_official 18:78bdbce94509 734 }
samux 1:80ab0d068708 735 }
samux 1:80ab0d068708 736
samux 1:80ab0d068708 737 void USBDevice::disconnect(void)
samux 1:80ab0d068708 738 {
samux 1:80ab0d068708 739 /* Disconnect device */
samux 1:80ab0d068708 740 USBHAL::disconnect();
mbed_official 26:8ef73dd868a0 741
mbed_official 26:8ef73dd868a0 742 /* Set initial device state */
mbed_official 26:8ef73dd868a0 743 device.state = POWERED;
mbed_official 26:8ef73dd868a0 744 device.configuration = 0;
mbed_official 26:8ef73dd868a0 745 device.suspended = false;
samux 1:80ab0d068708 746 }
samux 1:80ab0d068708 747
samux 1:80ab0d068708 748 CONTROL_TRANSFER * USBDevice::getTransferPtr(void)
samux 1:80ab0d068708 749 {
samux 1:80ab0d068708 750 return &transfer;
samux 1:80ab0d068708 751 }
samux 1:80ab0d068708 752
samux 1:80ab0d068708 753 bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 754 {
samux 1:80ab0d068708 755 return realiseEndpoint(endpoint, maxPacket, 0);
samux 1:80ab0d068708 756 }
samux 1:80ab0d068708 757
samux 1:80ab0d068708 758 bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket)
samux 1:80ab0d068708 759 {
samux 1:80ab0d068708 760 /* For interrupt endpoints only */
samux 1:80ab0d068708 761 return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE);
samux 1:80ab0d068708 762 }
samux 1:80ab0d068708 763
samux 1:80ab0d068708 764 uint8_t * USBDevice::findDescriptor(uint8_t descriptorType)
samux 1:80ab0d068708 765 {
samux 1:80ab0d068708 766 /* Find a descriptor within the list of descriptors */
samux 1:80ab0d068708 767 /* following a configuration descriptor. */
samux 1:80ab0d068708 768 uint16_t wTotalLength;
samux 1:80ab0d068708 769 uint8_t *ptr;
samux 1:80ab0d068708 770
samux 1:80ab0d068708 771 if (configurationDesc() == NULL)
samux 1:80ab0d068708 772 {
samux 1:80ab0d068708 773 return NULL;
samux 1:80ab0d068708 774 }
samux 1:80ab0d068708 775
samux 1:80ab0d068708 776 /* Check this is a configuration descriptor */
samux 1:80ab0d068708 777 if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \
samux 1:80ab0d068708 778 || (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR))
samux 1:80ab0d068708 779 {
samux 1:80ab0d068708 780 return NULL;
samux 1:80ab0d068708 781 }
samux 1:80ab0d068708 782
samux 1:80ab0d068708 783 wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8);
samux 1:80ab0d068708 784
samux 1:80ab0d068708 785 /* Check there are some more descriptors to follow */
samux 1:80ab0d068708 786 if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2))
samux 1:80ab0d068708 787 /* +2 is for bLength and bDescriptorType of next descriptor */
samux 1:80ab0d068708 788 {
bogdanm 11:eeb3cbbaa996 789 return NULL;
samux 1:80ab0d068708 790 }
samux 1:80ab0d068708 791
samux 1:80ab0d068708 792 /* Start at first descriptor after the configuration descriptor */
samux 1:80ab0d068708 793 ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]);
samux 1:80ab0d068708 794
samux 1:80ab0d068708 795 do {
samux 1:80ab0d068708 796 if (ptr[1] /* bDescriptorType */ == descriptorType)
samux 1:80ab0d068708 797 {
samux 1:80ab0d068708 798 /* Found */
samux 1:80ab0d068708 799 return ptr;
samux 1:80ab0d068708 800 }
samux 1:80ab0d068708 801
samux 1:80ab0d068708 802 /* Skip to next descriptor */
samux 1:80ab0d068708 803 ptr += ptr[0]; /* bLength */
samux 1:80ab0d068708 804 } while (ptr < (configurationDesc() + wTotalLength));
samux 1:80ab0d068708 805
samux 1:80ab0d068708 806 /* Reached end of the descriptors - not found */
samux 1:80ab0d068708 807 return NULL;
samux 1:80ab0d068708 808 }
samux 1:80ab0d068708 809
samux 1:80ab0d068708 810
samux 1:80ab0d068708 811 void USBDevice::connectStateChanged(unsigned int connected)
samux 1:80ab0d068708 812 {
samux 1:80ab0d068708 813 }
samux 1:80ab0d068708 814
samux 1:80ab0d068708 815 void USBDevice::suspendStateChanged(unsigned int suspended)
samux 1:80ab0d068708 816 {
samux 1:80ab0d068708 817 }
samux 1:80ab0d068708 818
samux 1:80ab0d068708 819
samux 1:80ab0d068708 820 USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){
mbed_official 25:7c72828865f3 821 VENDOR_ID = vendor_id;
mbed_official 25:7c72828865f3 822 PRODUCT_ID = product_id;
samux 1:80ab0d068708 823 PRODUCT_RELEASE = product_release;
samux 1:80ab0d068708 824
samux 1:80ab0d068708 825 /* Set initial device state */
samux 1:80ab0d068708 826 device.state = POWERED;
samux 1:80ab0d068708 827 device.configuration = 0;
samux 1:80ab0d068708 828 device.suspended = false;
samux 1:80ab0d068708 829 };
samux 1:80ab0d068708 830
samux 1:80ab0d068708 831
samux 1:80ab0d068708 832 bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize)
samux 1:80ab0d068708 833 {
samux 1:80ab0d068708 834 return endpointRead(endpoint, maxSize) == EP_PENDING;
samux 1:80ab0d068708 835 }
samux 1:80ab0d068708 836
samux 1:80ab0d068708 837
samux 1:80ab0d068708 838 bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 839 {
samux 1:80ab0d068708 840 EP_STATUS result;
samux 1:80ab0d068708 841
samux 1:80ab0d068708 842 if (size > maxSize)
samux 1:80ab0d068708 843 {
samux 1:80ab0d068708 844 return false;
samux 1:80ab0d068708 845 }
mbed_official 25:7c72828865f3 846
mbed_official 25:7c72828865f3 847
samux 1:80ab0d068708 848 if(!configured()) {
samux 1:80ab0d068708 849 return false;
samux 1:80ab0d068708 850 }
mbed_official 25:7c72828865f3 851
samux 1:80ab0d068708 852 /* Send report */
samux 1:80ab0d068708 853 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 854
samux 1:80ab0d068708 855 if (result != EP_PENDING)
samux 1:80ab0d068708 856 {
samux 1:80ab0d068708 857 return false;
samux 1:80ab0d068708 858 }
samux 1:80ab0d068708 859
samux 1:80ab0d068708 860 /* Wait for completion */
samux 1:80ab0d068708 861 do {
samux 1:80ab0d068708 862 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 863 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 864
samux 1:80ab0d068708 865 return (result == EP_COMPLETED);
samux 1:80ab0d068708 866 }
samux 1:80ab0d068708 867
samux 1:80ab0d068708 868
samux 1:80ab0d068708 869 bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
samux 1:80ab0d068708 870 {
samux 1:80ab0d068708 871 EP_STATUS result;
samux 1:80ab0d068708 872
samux 1:80ab0d068708 873 if (size > maxSize)
samux 1:80ab0d068708 874 {
samux 1:80ab0d068708 875 return false;
samux 1:80ab0d068708 876 }
mbed_official 25:7c72828865f3 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 /* Send report */
samux 1:80ab0d068708 883 result = endpointWrite(endpoint, buffer, size);
samux 1:80ab0d068708 884
samux 1:80ab0d068708 885 if (result != EP_PENDING)
samux 1:80ab0d068708 886 {
samux 1:80ab0d068708 887 return false;
samux 1:80ab0d068708 888 }
samux 1:80ab0d068708 889
samux 1:80ab0d068708 890 result = endpointWriteResult(endpoint);
samux 1:80ab0d068708 891
samux 1:80ab0d068708 892 return (result == EP_COMPLETED);
samux 1:80ab0d068708 893 }
samux 1:80ab0d068708 894
samux 1:80ab0d068708 895
samux 1:80ab0d068708 896
samux 1:80ab0d068708 897 bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 898 {
samux 1:80ab0d068708 899 EP_STATUS result;
mbed_official 25:7c72828865f3 900
samux 1:80ab0d068708 901 if(!configured()) {
samux 1:80ab0d068708 902 return false;
samux 1:80ab0d068708 903 }
samux 1:80ab0d068708 904
samux 1:80ab0d068708 905 /* Wait for completion */
samux 1:80ab0d068708 906 do {
samux 1:80ab0d068708 907 result = endpointReadResult(endpoint, buffer, size);
samux 1:80ab0d068708 908 } while ((result == EP_PENDING) && configured());
samux 1:80ab0d068708 909
samux 1:80ab0d068708 910 return (result == EP_COMPLETED);
samux 1:80ab0d068708 911 }
samux 1:80ab0d068708 912
samux 1:80ab0d068708 913
samux 1:80ab0d068708 914 bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
samux 1:80ab0d068708 915 {
samux 1:80ab0d068708 916 EP_STATUS result;
mbed_official 25:7c72828865f3 917
samux 1:80ab0d068708 918 if(!configured()) {
samux 1:80ab0d068708 919 return false;
samux 1:80ab0d068708 920 }
samux 1:80ab0d068708 921
samux 1:80ab0d068708 922 result = endpointReadResult(endpoint, buffer, size);
mbed_official 25:7c72828865f3 923
samux 1:80ab0d068708 924 return (result == EP_COMPLETED);
samux 1:80ab0d068708 925 }
samux 1:80ab0d068708 926
samux 1:80ab0d068708 927
samux 1:80ab0d068708 928
samux 1:80ab0d068708 929 uint8_t * USBDevice::deviceDesc() {
samux 1:80ab0d068708 930 static uint8_t deviceDescriptor[] = {
samux 1:80ab0d068708 931 DEVICE_DESCRIPTOR_LENGTH, /* bLength */
samux 1:80ab0d068708 932 DEVICE_DESCRIPTOR, /* bDescriptorType */
samux 1:80ab0d068708 933 LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
samux 1:80ab0d068708 934 MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
samux 1:80ab0d068708 935 0x00, /* bDeviceClass */
samux 1:80ab0d068708 936 0x00, /* bDeviceSubClass */
samux 1:80ab0d068708 937 0x00, /* bDeviceprotocol */
samux 1:80ab0d068708 938 MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
bogdanm 11:eeb3cbbaa996 939 (uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */
bogdanm 11:eeb3cbbaa996 940 (uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */
bogdanm 11:eeb3cbbaa996 941 (uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */
bogdanm 11:eeb3cbbaa996 942 (uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */
bogdanm 11:eeb3cbbaa996 943 (uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */
bogdanm 11:eeb3cbbaa996 944 (uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */
samux 1:80ab0d068708 945 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
samux 1:80ab0d068708 946 STRING_OFFSET_IPRODUCT, /* iProduct */
samux 1:80ab0d068708 947 STRING_OFFSET_ISERIAL, /* iSerialNumber */
samux 1:80ab0d068708 948 0x01 /* bNumConfigurations */
samux 1:80ab0d068708 949 };
samux 1:80ab0d068708 950 return deviceDescriptor;
samux 1:80ab0d068708 951 }
samux 1:80ab0d068708 952
samux 1:80ab0d068708 953 uint8_t * USBDevice::stringLangidDesc() {
samux 1:80ab0d068708 954 static uint8_t stringLangidDescriptor[] = {
samux 1:80ab0d068708 955 0x04, /*bLength*/
samux 1:80ab0d068708 956 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
mbed_official 17:bbd6dac92961 957 0x09,0x04, /*bString Lang ID - 0x0409 - English*/
samux 1:80ab0d068708 958 };
samux 1:80ab0d068708 959 return stringLangidDescriptor;
samux 1:80ab0d068708 960 }
samux 1:80ab0d068708 961
samux 1:80ab0d068708 962 uint8_t * USBDevice::stringImanufacturerDesc() {
samux 1:80ab0d068708 963 static uint8_t stringImanufacturerDescriptor[] = {
samux 1:80ab0d068708 964 0x12, /*bLength*/
samux 1:80ab0d068708 965 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 966 'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/
samux 1:80ab0d068708 967 };
samux 1:80ab0d068708 968 return stringImanufacturerDescriptor;
samux 1:80ab0d068708 969 }
samux 1:80ab0d068708 970
samux 1:80ab0d068708 971 uint8_t * USBDevice::stringIserialDesc() {
samux 1:80ab0d068708 972 static uint8_t stringIserialDescriptor[] = {
samux 1:80ab0d068708 973 0x16, /*bLength*/
samux 1:80ab0d068708 974 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 975 '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 976 };
samux 1:80ab0d068708 977 return stringIserialDescriptor;
samux 1:80ab0d068708 978 }
samux 1:80ab0d068708 979
samux 1:80ab0d068708 980 uint8_t * USBDevice::stringIConfigurationDesc() {
samux 1:80ab0d068708 981 static uint8_t stringIconfigurationDescriptor[] = {
samux 1:80ab0d068708 982 0x06, /*bLength*/
samux 1:80ab0d068708 983 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 984 '0',0,'1',0, /*bString iConfiguration - 01*/
samux 1:80ab0d068708 985 };
samux 1:80ab0d068708 986 return stringIconfigurationDescriptor;
samux 1:80ab0d068708 987 }
samux 1:80ab0d068708 988
samux 1:80ab0d068708 989 uint8_t * USBDevice::stringIinterfaceDesc() {
samux 1:80ab0d068708 990 static uint8_t stringIinterfaceDescriptor[] = {
samux 1:80ab0d068708 991 0x08, /*bLength*/
samux 1:80ab0d068708 992 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 993 'U',0,'S',0,'B',0, /*bString iInterface - USB*/
samux 1:80ab0d068708 994 };
samux 1:80ab0d068708 995 return stringIinterfaceDescriptor;
samux 1:80ab0d068708 996 }
samux 1:80ab0d068708 997
samux 1:80ab0d068708 998 uint8_t * USBDevice::stringIproductDesc() {
samux 1:80ab0d068708 999 static uint8_t stringIproductDescriptor[] = {
samux 1:80ab0d068708 1000 0x16, /*bLength*/
samux 1:80ab0d068708 1001 STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
samux 1:80ab0d068708 1002 '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 1003 };
samux 1:80ab0d068708 1004 return stringIproductDescriptor;
samux 1:80ab0d068708 1005 }