phs fan / USBHost

USBHost library

Dependencies:   FATFileSystem mbed-rtos

Dependents:   AbitUSBModem_HTTPTest AbitUSBModem_MQTTTest AbitUSBModem_WebsocketTest AbitUSBModem_SMSTest

Fork of USBHost by mbed official

USBHost/USBHost.cpp@4:b320d68e98e7, 2013-03-12 (annotated)

Committer:
samux
Date:
Tue Mar 12 17:23:37 2013 +0000
Revision:
4:b320d68e98e7
Parent:
0:a554658735bf
Child:
6:1571e517a91b
bug fixes - support composite device

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:a554658735bf 1 /* Copyright (c) 2010-2012 mbed.org, MIT License
mbed_official 0:a554658735bf 2 *
mbed_official 0:a554658735bf 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 0:a554658735bf 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 0:a554658735bf 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 0:a554658735bf 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 0:a554658735bf 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 0:a554658735bf 8 *
mbed_official 0:a554658735bf 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 0:a554658735bf 10 * substantial portions of the Software.
mbed_official 0:a554658735bf 11 *
mbed_official 0:a554658735bf 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 0:a554658735bf 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 0:a554658735bf 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 0:a554658735bf 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:a554658735bf 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 0:a554658735bf 17 */
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19
mbed_official 0:a554658735bf 20 #include "USBHost.h"
mbed_official 0:a554658735bf 21 #include "USBHostHub.h"
mbed_official 0:a554658735bf 22
mbed_official 0:a554658735bf 23 USBHost * USBHost::instHost = NULL;
mbed_official 0:a554658735bf 24
mbed_official 0:a554658735bf 25 #define DEVICE_CONNECTED_EVENT (1 << 0)
mbed_official 0:a554658735bf 26 #define DEVICE_DISCONNECTED_EVENT (1 << 1)
mbed_official 0:a554658735bf 27 #define TD_PROCESSED_EVENT (1 << 2)
mbed_official 0:a554658735bf 28
mbed_official 0:a554658735bf 29 #define MAX_TRY_ENUMERATE_HUB 3
mbed_official 0:a554658735bf 30
mbed_official 0:a554658735bf 31 #define MIN(a, b) ((a > b) ? b : a)
mbed_official 0:a554658735bf 32
mbed_official 0:a554658735bf 33 DigitalOut l4(LED4);
mbed_official 0:a554658735bf 34
mbed_official 0:a554658735bf 35 /**
mbed_official 0:a554658735bf 36 * How interrupts are processed:
mbed_official 0:a554658735bf 37 * - new device connected:
mbed_official 0:a554658735bf 38 * a message is queued
mbed_official 0:a554658735bf 39 */
mbed_official 0:a554658735bf 40 void USBHost::usb_process() {
mbed_official 0:a554658735bf 41
mbed_official 0:a554658735bf 42 bool controlListState;
mbed_official 0:a554658735bf 43 bool bulkListState;
mbed_official 0:a554658735bf 44 bool interruptListState;
mbed_official 0:a554658735bf 45 USBEndpoint * ep;
mbed_official 0:a554658735bf 46 uint8_t i, j, res, timeout_set_addr = 10;
mbed_official 0:a554658735bf 47 uint8_t buf[8];
mbed_official 0:a554658735bf 48 bool too_many_hub;
mbed_official 0:a554658735bf 49 int idx;
mbed_official 0:a554658735bf 50
mbed_official 0:a554658735bf 51 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 52 uint8_t * buf_transfer;
mbed_official 0:a554658735bf 53 #endif
mbed_official 0:a554658735bf 54
mbed_official 0:a554658735bf 55 #if MAX_HUB_NB
mbed_official 0:a554658735bf 56 uint8_t k;
mbed_official 0:a554658735bf 57 #endif
mbed_official 0:a554658735bf 58
mbed_official 0:a554658735bf 59 while(1) {
mbed_official 0:a554658735bf 60 osEvent evt = queue_usb_event.get();
mbed_official 0:a554658735bf 61
mbed_official 0:a554658735bf 62 if (evt.status == osEventMessage) {
mbed_official 0:a554658735bf 63
mbed_official 0:a554658735bf 64 l4 = !l4;
mbed_official 0:a554658735bf 65 message_t * usb_msg = (message_t*)evt.value.p;
mbed_official 0:a554658735bf 66
mbed_official 0:a554658735bf 67 switch (usb_msg->event_id) {
mbed_official 0:a554658735bf 68
mbed_official 0:a554658735bf 69 // a new device has been connected
mbed_official 0:a554658735bf 70 case DEVICE_CONNECTED_EVENT:
mbed_official 0:a554658735bf 71 too_many_hub = false;
mbed_official 0:a554658735bf 72 buf[4] = 0;
samux 4:b320d68e98e7 73
samux 4:b320d68e98e7 74 usb_mutex.lock();
mbed_official 0:a554658735bf 75
mbed_official 0:a554658735bf 76 for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 77 if (!deviceInUse[i]) {
mbed_official 0:a554658735bf 78 USB_DBG_EVENT("new device connected: %p\r\n", &devices[i]);
mbed_official 0:a554658735bf 79 devices[i].init(usb_msg->hub, usb_msg->port, usb_msg->lowSpeed);
mbed_official 0:a554658735bf 80 deviceReset[i] = false;
samux 4:b320d68e98e7 81 deviceInited[i] = true;
mbed_official 0:a554658735bf 82 break;
mbed_official 0:a554658735bf 83 }
mbed_official 0:a554658735bf 84 }
mbed_official 0:a554658735bf 85
mbed_official 0:a554658735bf 86 if (i == MAX_DEVICE_CONNECTED) {
mbed_official 0:a554658735bf 87 USB_ERR("Too many device connected!!\r\n");
mbed_official 0:a554658735bf 88 usb_mutex.unlock();
mbed_official 0:a554658735bf 89 continue;
mbed_official 0:a554658735bf 90 }
mbed_official 0:a554658735bf 91
mbed_official 0:a554658735bf 92 if (!controlEndpointAllocated) {
mbed_official 0:a554658735bf 93 control = newEndpoint(CONTROL_ENDPOINT, OUT, 0x08, 0x00);
mbed_official 0:a554658735bf 94 addEndpoint(NULL, 0, (USBEndpoint*)control);
mbed_official 0:a554658735bf 95 controlEndpointAllocated = true;
mbed_official 0:a554658735bf 96 }
mbed_official 0:a554658735bf 97
mbed_official 0:a554658735bf 98 #if MAX_HUB_NB
mbed_official 0:a554658735bf 99 if (usb_msg->hub_parent)
mbed_official 0:a554658735bf 100 devices[i].setHubParent((USBHostHub *)(usb_msg->hub_parent));
mbed_official 0:a554658735bf 101 #endif
mbed_official 0:a554658735bf 102
mbed_official 0:a554658735bf 103 for (j = 0; j < timeout_set_addr; j++) {
samux 4:b320d68e98e7 104
samux 4:b320d68e98e7 105 resetDevice(&devices[i]);
samux 4:b320d68e98e7 106
mbed_official 0:a554658735bf 107 // set size of control endpoint
mbed_official 0:a554658735bf 108 devices[i].setSizeControlEndpoint(8);
mbed_official 0:a554658735bf 109
mbed_official 0:a554658735bf 110 devices[i].activeAddress(false);
mbed_official 0:a554658735bf 111
mbed_official 0:a554658735bf 112 // get first 8 bit of device descriptor
mbed_official 0:a554658735bf 113 // and check if we deal with a hub
mbed_official 0:a554658735bf 114 USB_DBG("usb_thread read device descriptor on dev: %p\r\n", &devices[i]);
mbed_official 0:a554658735bf 115 res = getDeviceDescriptor(&devices[i], buf, 8);
mbed_official 0:a554658735bf 116
mbed_official 0:a554658735bf 117 if (res != USB_TYPE_OK) {
mbed_official 0:a554658735bf 118 USB_ERR("usb_thread could not read dev descr");
mbed_official 0:a554658735bf 119 continue;
mbed_official 0:a554658735bf 120 }
mbed_official 0:a554658735bf 121
mbed_official 0:a554658735bf 122 // set size of control endpoint
mbed_official 0:a554658735bf 123 devices[i].setSizeControlEndpoint(buf[7]);
mbed_official 0:a554658735bf 124
mbed_official 0:a554658735bf 125 // second step: set an address to the device
mbed_official 0:a554658735bf 126 res = setAddress(&devices[i], devices[i].getAddress());
mbed_official 0:a554658735bf 127
mbed_official 0:a554658735bf 128 if (res != USB_TYPE_OK) {
mbed_official 0:a554658735bf 129 USB_ERR("SET ADDR FAILED");
mbed_official 0:a554658735bf 130 continue;
mbed_official 0:a554658735bf 131 }
mbed_official 0:a554658735bf 132 devices[i].activeAddress(true);
mbed_official 0:a554658735bf 133 USB_DBG("Address of %p: %d", &devices[i], devices[i].getAddress());
mbed_official 0:a554658735bf 134
mbed_official 0:a554658735bf 135 // try to read again the device descriptor to check if the device
mbed_official 0:a554658735bf 136 // answers to its new address
mbed_official 0:a554658735bf 137 res = getDeviceDescriptor(&devices[i], buf, 8);
mbed_official 0:a554658735bf 138
mbed_official 0:a554658735bf 139 if (res == USB_TYPE_OK) {
mbed_official 0:a554658735bf 140 break;
mbed_official 0:a554658735bf 141 }
mbed_official 0:a554658735bf 142
samux 4:b320d68e98e7 143 Thread::wait(100);
mbed_official 0:a554658735bf 144 }
mbed_official 0:a554658735bf 145
mbed_official 0:a554658735bf 146 USB_INFO("New device connected: %p [hub: %d - port: %d]", &devices[i], usb_msg->hub, usb_msg->port);
mbed_official 0:a554658735bf 147
mbed_official 0:a554658735bf 148 #if MAX_HUB_NB
mbed_official 0:a554658735bf 149 if (buf[4] == HUB_CLASS) {
mbed_official 0:a554658735bf 150 for (k = 0; k < MAX_HUB_NB; k++) {
mbed_official 0:a554658735bf 151 if (hub_in_use[k] == false) {
mbed_official 0:a554658735bf 152 for (uint8_t j = 0; j < MAX_TRY_ENUMERATE_HUB; j++) {
mbed_official 0:a554658735bf 153 if (hubs[k].connect(&devices[i])) {
mbed_official 0:a554658735bf 154 devices[i].hub = &hubs[k];
mbed_official 0:a554658735bf 155 hub_in_use[k] = true;
mbed_official 0:a554658735bf 156 break;
mbed_official 0:a554658735bf 157 }
mbed_official 0:a554658735bf 158 }
mbed_official 0:a554658735bf 159 if (hub_in_use[k] == true)
mbed_official 0:a554658735bf 160 break;
mbed_official 0:a554658735bf 161 }
mbed_official 0:a554658735bf 162 }
mbed_official 0:a554658735bf 163
mbed_official 0:a554658735bf 164 if (k == MAX_HUB_NB) {
mbed_official 0:a554658735bf 165 USB_ERR("Too many hubs connected!!\r\n");
mbed_official 0:a554658735bf 166 too_many_hub = true;
mbed_official 0:a554658735bf 167 }
mbed_official 0:a554658735bf 168 }
mbed_official 0:a554658735bf 169
mbed_official 0:a554658735bf 170 if (usb_msg->hub_parent)
mbed_official 0:a554658735bf 171 ((USBHostHub *)(usb_msg->hub_parent))->deviceConnected(&devices[i]);
mbed_official 0:a554658735bf 172 #endif
mbed_official 0:a554658735bf 173
mbed_official 0:a554658735bf 174 if ((i < MAX_DEVICE_CONNECTED) && !too_many_hub) {
mbed_official 0:a554658735bf 175 deviceInUse[i] = true;
mbed_official 0:a554658735bf 176 }
mbed_official 0:a554658735bf 177
samux 4:b320d68e98e7 178 usb_mutex.unlock();
samux 4:b320d68e98e7 179
mbed_official 0:a554658735bf 180 break;
mbed_official 0:a554658735bf 181
mbed_official 0:a554658735bf 182 // a device has been disconnected
mbed_official 0:a554658735bf 183 case DEVICE_DISCONNECTED_EVENT:
mbed_official 0:a554658735bf 184
mbed_official 0:a554658735bf 185 usb_mutex.lock();
mbed_official 0:a554658735bf 186
mbed_official 0:a554658735bf 187 controlListState = disableList(CONTROL_ENDPOINT);
mbed_official 0:a554658735bf 188 bulkListState = disableList(BULK_ENDPOINT);
mbed_official 0:a554658735bf 189 interruptListState = disableList(INTERRUPT_ENDPOINT);
mbed_official 0:a554658735bf 190
mbed_official 0:a554658735bf 191 idx = findDevice(usb_msg->hub, usb_msg->port, (USBHostHub *)(usb_msg->hub_parent));
mbed_official 0:a554658735bf 192 if (idx != -1) {
mbed_official 0:a554658735bf 193 freeDevice((USBDeviceConnected*)&devices[idx]);
mbed_official 0:a554658735bf 194 }
mbed_official 0:a554658735bf 195
mbed_official 0:a554658735bf 196 if (controlListState) enableList(CONTROL_ENDPOINT);
mbed_official 0:a554658735bf 197 if (bulkListState) enableList(BULK_ENDPOINT);
mbed_official 0:a554658735bf 198 if (interruptListState) enableList(INTERRUPT_ENDPOINT);
mbed_official 0:a554658735bf 199
mbed_official 0:a554658735bf 200 usb_mutex.unlock();
mbed_official 0:a554658735bf 201
mbed_official 0:a554658735bf 202 break;
mbed_official 0:a554658735bf 203
mbed_official 0:a554658735bf 204 // a td has been processed
mbed_official 0:a554658735bf 205 // call callback on the ed associated to the td
mbed_official 0:a554658735bf 206 // we are not in ISR -> users can use printf in their callback method
mbed_official 0:a554658735bf 207 case TD_PROCESSED_EVENT:
mbed_official 0:a554658735bf 208 ep = (USBEndpoint *) ((HCTD *)usb_msg->td_addr)->ep;
samux 4:b320d68e98e7 209 if (usb_msg->td_state == USB_TYPE_IDLE) {
samux 4:b320d68e98e7 210 USB_DBG_EVENT("call callback on td %p [ep: %p state: %s - dev: %p - %s]", usb_msg->td_addr, ep, ep->getStateString(), ep->dev, ep->dev->getName(ep->getIntfNb()));
samux 4:b320d68e98e7 211
mbed_official 0:a554658735bf 212 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 213 if (ep->getDir() == IN) {
mbed_official 0:a554658735bf 214 buf_transfer = ep->getBufStart();
samux 4:b320d68e98e7 215 printf("READ SUCCESS [%d bytes transferred - td: 0x%08X] on ep: [%p - addr: %02X]: ", ep->getLengthTransferred(), usb_msg->td_addr, ep, ep->getAddress());
mbed_official 0:a554658735bf 216 for (int i = 0; i < ep->getLengthTransferred(); i++)
mbed_official 0:a554658735bf 217 printf("%02X ", buf_transfer[i]);
mbed_official 0:a554658735bf 218 printf("\r\n\r\n");
mbed_official 0:a554658735bf 219 }
mbed_official 0:a554658735bf 220 #endif
mbed_official 0:a554658735bf 221 ep->call();
mbed_official 0:a554658735bf 222 } else {
mbed_official 0:a554658735bf 223 idx = findDevice(ep->dev);
mbed_official 0:a554658735bf 224 if (idx != -1) {
samux 4:b320d68e98e7 225 if (deviceInUse[idx]) {
samux 4:b320d68e98e7 226 USB_WARN("td %p processed but not in idle state: %s [ep: %p - dev: %p - %s]", usb_msg->td_addr, ep->getStateString(), ep, ep->dev, ep->dev->getName(ep->getIntfNb()));
samux 4:b320d68e98e7 227 ep->setState(USB_TYPE_IDLE);
samux 4:b320d68e98e7 228 }
mbed_official 0:a554658735bf 229 }
mbed_official 0:a554658735bf 230 }
mbed_official 0:a554658735bf 231 break;
mbed_official 0:a554658735bf 232 }
mbed_official 0:a554658735bf 233
mbed_official 0:a554658735bf 234 mpool_usb_event.free(usb_msg);
mbed_official 0:a554658735bf 235 }
mbed_official 0:a554658735bf 236 }
mbed_official 0:a554658735bf 237 }
mbed_official 0:a554658735bf 238
mbed_official 0:a554658735bf 239 /* static */void USBHost::usb_process_static(void const * arg) {
mbed_official 0:a554658735bf 240 ((USBHost *)arg)->usb_process();
mbed_official 0:a554658735bf 241 }
mbed_official 0:a554658735bf 242
mbed_official 0:a554658735bf 243 USBHost::USBHost() : usbThread(USBHost::usb_process_static, (void *)this, osPriorityNormal, USB_THREAD_STACK)
mbed_official 0:a554658735bf 244 {
mbed_official 0:a554658735bf 245 headControlEndpoint = NULL;
mbed_official 0:a554658735bf 246 headBulkEndpoint = NULL;
mbed_official 0:a554658735bf 247 headInterruptEndpoint = NULL;
mbed_official 0:a554658735bf 248 tailControlEndpoint = NULL;
mbed_official 0:a554658735bf 249 tailBulkEndpoint = NULL;
mbed_official 0:a554658735bf 250 tailInterruptEndpoint = NULL;
mbed_official 0:a554658735bf 251
mbed_official 0:a554658735bf 252 lenReportDescr = 0;
mbed_official 0:a554658735bf 253
mbed_official 0:a554658735bf 254 controlEndpointAllocated = false;
mbed_official 0:a554658735bf 255
mbed_official 0:a554658735bf 256 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 257 deviceInUse[i] = false;
mbed_official 0:a554658735bf 258 devices[i].setAddress(i + 1);
mbed_official 0:a554658735bf 259 deviceReset[i] = false;
samux 4:b320d68e98e7 260 deviceInited[i] = false;
samux 4:b320d68e98e7 261 for (uint8_t j = 0; j < MAX_INTF; j++)
samux 4:b320d68e98e7 262 deviceAttachedDriver[i][j] = false;
mbed_official 0:a554658735bf 263 }
mbed_official 0:a554658735bf 264
mbed_official 0:a554658735bf 265 #if MAX_HUB_NB
mbed_official 0:a554658735bf 266 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
mbed_official 0:a554658735bf 267 hubs[i].setHost(this);
mbed_official 0:a554658735bf 268 hub_in_use[i] = false;
mbed_official 0:a554658735bf 269 }
mbed_official 0:a554658735bf 270 #endif
mbed_official 0:a554658735bf 271 }
mbed_official 0:a554658735bf 272
mbed_official 0:a554658735bf 273
mbed_official 0:a554658735bf 274 void USBHost::transferCompleted(volatile uint32_t addr)
mbed_official 0:a554658735bf 275 {
mbed_official 0:a554658735bf 276 uint8_t state;
mbed_official 0:a554658735bf 277
mbed_official 0:a554658735bf 278 if(addr == NULL)
mbed_official 0:a554658735bf 279 return;
mbed_official 0:a554658735bf 280
mbed_official 0:a554658735bf 281 volatile HCTD* tdList = NULL;
mbed_official 0:a554658735bf 282
mbed_official 0:a554658735bf 283 //First we must reverse the list order and dequeue each TD
mbed_official 0:a554658735bf 284 do {
mbed_official 0:a554658735bf 285 volatile HCTD* td = (volatile HCTD*)addr;
samux 4:b320d68e98e7 286 addr = (uint32_t)td->nextTD; //Dequeue from physical list
samux 4:b320d68e98e7 287 td->nextTD = tdList; //Enqueue into reversed list
mbed_official 0:a554658735bf 288 tdList = td;
mbed_official 0:a554658735bf 289 } while(addr);
mbed_official 0:a554658735bf 290
mbed_official 0:a554658735bf 291 while(tdList != NULL) {
mbed_official 0:a554658735bf 292 volatile HCTD* td = tdList;
mbed_official 0:a554658735bf 293 tdList = (volatile HCTD*)td->nextTD; //Dequeue element now as it could be modified below
mbed_official 0:a554658735bf 294 if (td->ep != NULL) {
mbed_official 0:a554658735bf 295 USBEndpoint * ep = (USBEndpoint *)(td->ep);
mbed_official 0:a554658735bf 296
mbed_official 0:a554658735bf 297 if (((HCTD *)td)->control >> 28) {
mbed_official 0:a554658735bf 298 state = ((HCTD *)td)->control >> 28;
mbed_official 0:a554658735bf 299 } else {
mbed_official 0:a554658735bf 300 if (td->currBufPtr)
mbed_official 0:a554658735bf 301 ep->setLengthTransferred((uint32_t)td->currBufPtr - (uint32_t)ep->getBufStart());
mbed_official 0:a554658735bf 302 state = 16 /*USB_TYPE_IDLE*/;
mbed_official 0:a554658735bf 303 }
mbed_official 0:a554658735bf 304
mbed_official 0:a554658735bf 305 ep->unqueueTransfer(td);
mbed_official 0:a554658735bf 306
mbed_official 0:a554658735bf 307 if (ep->getType() != CONTROL_ENDPOINT) {
mbed_official 0:a554658735bf 308 // callback on the processed td will be called from the usb_thread (not in ISR)
mbed_official 0:a554658735bf 309 message_t * usb_msg = mpool_usb_event.alloc();
mbed_official 0:a554658735bf 310 usb_msg->event_id = TD_PROCESSED_EVENT;
mbed_official 0:a554658735bf 311 usb_msg->td_addr = (void *)td;
mbed_official 0:a554658735bf 312 usb_msg->td_state = state;
mbed_official 0:a554658735bf 313 queue_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 314 }
samux 4:b320d68e98e7 315 ep->setState(state);
mbed_official 0:a554658735bf 316 }
mbed_official 0:a554658735bf 317 }
mbed_official 0:a554658735bf 318 }
mbed_official 0:a554658735bf 319
mbed_official 0:a554658735bf 320 USBHost * USBHost::getHostInst()
mbed_official 0:a554658735bf 321 {
mbed_official 0:a554658735bf 322 if (instHost == NULL) {
mbed_official 0:a554658735bf 323 instHost = new USBHost();
mbed_official 0:a554658735bf 324 instHost->init();
mbed_official 0:a554658735bf 325 }
mbed_official 0:a554658735bf 326 return instHost;
mbed_official 0:a554658735bf 327 }
mbed_official 0:a554658735bf 328
mbed_official 0:a554658735bf 329
mbed_official 0:a554658735bf 330 /*
mbed_official 0:a554658735bf 331 * Called when a device has been connected
mbed_official 0:a554658735bf 332 * Called in ISR!!!! (no printf)
mbed_official 0:a554658735bf 333 */
mbed_official 0:a554658735bf 334 /* virtual */ void USBHost::deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent)
mbed_official 0:a554658735bf 335 {
mbed_official 0:a554658735bf 336 // be sure that the new device connected is not already connected...
mbed_official 0:a554658735bf 337 int idx = findDevice(hub, port, hub_parent);
mbed_official 0:a554658735bf 338 if (idx != -1) {
samux 4:b320d68e98e7 339 if (deviceInited[idx])
mbed_official 0:a554658735bf 340 return;
mbed_official 0:a554658735bf 341 }
mbed_official 0:a554658735bf 342
mbed_official 0:a554658735bf 343 message_t * usb_msg = mpool_usb_event.alloc();
mbed_official 0:a554658735bf 344 usb_msg->event_id = DEVICE_CONNECTED_EVENT;
mbed_official 0:a554658735bf 345 usb_msg->hub = hub;
mbed_official 0:a554658735bf 346 usb_msg->port = port;
mbed_official 0:a554658735bf 347 usb_msg->lowSpeed = lowSpeed;
mbed_official 0:a554658735bf 348 usb_msg->hub_parent = hub_parent;
mbed_official 0:a554658735bf 349 queue_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 350 }
mbed_official 0:a554658735bf 351
mbed_official 0:a554658735bf 352 /*
mbed_official 0:a554658735bf 353 * Called when a device has been disconnected
mbed_official 0:a554658735bf 354 * Called in ISR!!!! (no printf)
mbed_official 0:a554658735bf 355 */
mbed_official 0:a554658735bf 356 /* virtual */ void USBHost::deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr)
mbed_official 0:a554658735bf 357 {
mbed_official 0:a554658735bf 358 // be sure that the device disconnected is connected...
mbed_official 0:a554658735bf 359 int idx = findDevice(hub, port, hub_parent);
mbed_official 0:a554658735bf 360 if (idx != -1) {
mbed_official 0:a554658735bf 361 if (!deviceInUse[idx])
mbed_official 0:a554658735bf 362 return;
mbed_official 0:a554658735bf 363 } else {
mbed_official 0:a554658735bf 364 return;
mbed_official 0:a554658735bf 365 }
mbed_official 0:a554658735bf 366
mbed_official 0:a554658735bf 367 message_t * usb_msg = mpool_usb_event.alloc();
mbed_official 0:a554658735bf 368 usb_msg->event_id = DEVICE_DISCONNECTED_EVENT;
mbed_official 0:a554658735bf 369 usb_msg->hub = hub;
mbed_official 0:a554658735bf 370 usb_msg->port = port;
mbed_official 0:a554658735bf 371 usb_msg->hub_parent = hub_parent;
mbed_official 0:a554658735bf 372 queue_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 373 }
mbed_official 0:a554658735bf 374
mbed_official 0:a554658735bf 375 void USBHost::freeDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 376 {
mbed_official 0:a554658735bf 377 USBEndpoint * ep = NULL;
mbed_official 0:a554658735bf 378 HCED * ed = NULL;
mbed_official 0:a554658735bf 379
mbed_official 0:a554658735bf 380 #if MAX_HUB_NB
mbed_official 0:a554658735bf 381 if (dev->getClass() == HUB_CLASS) {
mbed_official 0:a554658735bf 382 if (dev->hub == NULL) {
mbed_official 0:a554658735bf 383 USB_ERR("HUB NULL!!!!!\r\n");
mbed_official 0:a554658735bf 384 } else {
mbed_official 0:a554658735bf 385 dev->hub->hubDisconnected();
mbed_official 0:a554658735bf 386 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
mbed_official 0:a554658735bf 387 if (dev->hub == &hubs[i]) {
mbed_official 0:a554658735bf 388 hub_in_use[i] = false;
mbed_official 0:a554658735bf 389 break;
mbed_official 0:a554658735bf 390 }
mbed_official 0:a554658735bf 391 }
mbed_official 0:a554658735bf 392 }
mbed_official 0:a554658735bf 393 }
mbed_official 0:a554658735bf 394
mbed_official 0:a554658735bf 395 // notify hub parent that this device has been disconnected
mbed_official 0:a554658735bf 396 if (dev->getHubParent())
mbed_official 0:a554658735bf 397 dev->getHubParent()->deviceDisconnected(dev);
mbed_official 0:a554658735bf 398
mbed_official 0:a554658735bf 399 #endif
mbed_official 0:a554658735bf 400
mbed_official 0:a554658735bf 401 int idx = findDevice(dev);
mbed_official 0:a554658735bf 402 if (idx != -1) {
mbed_official 0:a554658735bf 403 deviceInUse[idx] = false;
mbed_official 0:a554658735bf 404 deviceReset[idx] = false;
mbed_official 0:a554658735bf 405
samux 4:b320d68e98e7 406 for (uint8_t j = 0; j < MAX_INTF; j++) {
samux 4:b320d68e98e7 407 deviceAttachedDriver[idx][j] = false;
samux 4:b320d68e98e7 408 if (dev->getInterface(j) != NULL) {
samux 4:b320d68e98e7 409 USB_DBG("FREE INTF %d on dev: %p, %p, nb_endpot: %d, %s", j, (void *)dev->getInterface(j), dev, dev->getInterface(j)->nb_endpoint, dev->getName(j));
samux 4:b320d68e98e7 410 for (int i = 0; i < dev->getInterface(j)->nb_endpoint; i++) {
samux 4:b320d68e98e7 411 if ((ep = dev->getEndpoint(j, i)) != NULL) {
samux 4:b320d68e98e7 412 ed = (HCED *)ep->getHCED();
samux 4:b320d68e98e7 413 ed->control |= (1 << 13); //sKip bit
samux 4:b320d68e98e7 414 unqueueEndpoint(ep);
mbed_official 0:a554658735bf 415
samux 4:b320d68e98e7 416 freeTD((volatile uint8_t*)ep->getTDList()[0]);
samux 4:b320d68e98e7 417 freeTD((volatile uint8_t*)ep->getTDList()[1]);
mbed_official 0:a554658735bf 418
samux 4:b320d68e98e7 419 freeED((uint8_t *)ep->getHCED());
samux 4:b320d68e98e7 420 }
samux 4:b320d68e98e7 421 printList(BULK_ENDPOINT);
samux 4:b320d68e98e7 422 printList(INTERRUPT_ENDPOINT);
mbed_official 0:a554658735bf 423 }
samux 4:b320d68e98e7 424 USB_INFO("Device disconnected [%p - %s - hub: %d - port: %d]", dev, dev->getName(j), dev->getHub(), dev->getPort());
mbed_official 0:a554658735bf 425 }
mbed_official 0:a554658735bf 426 }
mbed_official 0:a554658735bf 427 dev->disconnect();
mbed_official 0:a554658735bf 428 }
mbed_official 0:a554658735bf 429 }
mbed_official 0:a554658735bf 430
mbed_official 0:a554658735bf 431
mbed_official 0:a554658735bf 432 void USBHost::unqueueEndpoint(USBEndpoint * ep)
mbed_official 0:a554658735bf 433 {
mbed_official 0:a554658735bf 434 USBEndpoint * prec = NULL;
mbed_official 0:a554658735bf 435 USBEndpoint * current = NULL;
mbed_official 0:a554658735bf 436
mbed_official 0:a554658735bf 437 for (int i = 0; i < 2; i++) {
mbed_official 0:a554658735bf 438 current = (i == 0) ? (USBEndpoint*)headBulkEndpoint : (USBEndpoint*)headInterruptEndpoint;
mbed_official 0:a554658735bf 439 prec = current;
mbed_official 0:a554658735bf 440 while (current != NULL) {
mbed_official 0:a554658735bf 441 if (current == ep) {
mbed_official 0:a554658735bf 442 if (current->nextEndpoint() != NULL) {
mbed_official 0:a554658735bf 443 prec->queueEndpoint(current->nextEndpoint());
mbed_official 0:a554658735bf 444 if (current == headBulkEndpoint) {
mbed_official 0:a554658735bf 445 updateBulkHeadED((uint32_t)current->nextEndpoint()->getHCED());
mbed_official 0:a554658735bf 446 headBulkEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 447 } else if (current == headInterruptEndpoint) {
mbed_official 0:a554658735bf 448 updateInterruptHeadED((uint32_t)current->nextEndpoint()->getHCED());
mbed_official 0:a554658735bf 449 headInterruptEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 450 }
mbed_official 0:a554658735bf 451 }
mbed_official 0:a554658735bf 452 // here we are dequeuing the queue of ed
mbed_official 0:a554658735bf 453 // we need to update the tail pointer
mbed_official 0:a554658735bf 454 else {
mbed_official 0:a554658735bf 455 prec->queueEndpoint(NULL);
mbed_official 0:a554658735bf 456 if (current == headBulkEndpoint) {
mbed_official 0:a554658735bf 457 updateBulkHeadED(0);
mbed_official 0:a554658735bf 458 headBulkEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 459 } else if (current == headInterruptEndpoint) {
mbed_official 0:a554658735bf 460 updateInterruptHeadED(0);
mbed_official 0:a554658735bf 461 headInterruptEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 462 }
mbed_official 0:a554658735bf 463
mbed_official 0:a554658735bf 464 // modify tail
mbed_official 0:a554658735bf 465 switch (current->getType()) {
mbed_official 0:a554658735bf 466 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 467 tailBulkEndpoint = prec;
mbed_official 0:a554658735bf 468 break;
mbed_official 0:a554658735bf 469 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 470 tailInterruptEndpoint = prec;
mbed_official 0:a554658735bf 471 break;
mbed_official 0:a554658735bf 472 }
mbed_official 0:a554658735bf 473 }
mbed_official 0:a554658735bf 474 current->setState(USB_TYPE_FREE);
mbed_official 0:a554658735bf 475 return;
mbed_official 0:a554658735bf 476 }
mbed_official 0:a554658735bf 477 prec = current;
mbed_official 0:a554658735bf 478 current = current->nextEndpoint();
mbed_official 0:a554658735bf 479 }
mbed_official 0:a554658735bf 480 }
mbed_official 0:a554658735bf 481 }
mbed_official 0:a554658735bf 482
mbed_official 0:a554658735bf 483
mbed_official 0:a554658735bf 484 USBDeviceConnected * USBHost::getDevice(uint8_t index)
mbed_official 0:a554658735bf 485 {
samux 4:b320d68e98e7 486 if ((index >= MAX_DEVICE_CONNECTED) || (!deviceInUse[index])) {
mbed_official 0:a554658735bf 487 return NULL;
mbed_official 0:a554658735bf 488 }
mbed_official 0:a554658735bf 489 return (USBDeviceConnected*)&devices[index];
mbed_official 0:a554658735bf 490 }
mbed_official 0:a554658735bf 491
mbed_official 0:a554658735bf 492 // create an USBEndpoint descriptor. the USBEndpoint is not linked
mbed_official 0:a554658735bf 493 USBEndpoint * USBHost::newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr)
mbed_official 0:a554658735bf 494 {
mbed_official 0:a554658735bf 495 int i = 0;
mbed_official 0:a554658735bf 496 HCED * ed = (HCED *)getED();
mbed_official 0:a554658735bf 497 HCTD* td_list[2] = { (HCTD*)getTD(), (HCTD*)getTD() };
mbed_official 0:a554658735bf 498
mbed_official 0:a554658735bf 499 memset((void *)td_list[0], 0x00, sizeof(HCTD));
mbed_official 0:a554658735bf 500 memset((void *)td_list[1], 0x00, sizeof(HCTD));
mbed_official 0:a554658735bf 501
mbed_official 0:a554658735bf 502 // search a free USBEndpoint
mbed_official 0:a554658735bf 503 for (i = 0; i < MAX_ENDPOINT; i++) {
mbed_official 0:a554658735bf 504 if (endpoints[i].getState() == USB_TYPE_FREE) {
mbed_official 0:a554658735bf 505 endpoints[i].init(ed, type, dir, size, addr, td_list);
samux 4:b320d68e98e7 506 USB_DBG("USBEndpoint created (%p): type: %d, dir: %d, size: %d, addr: %d, state: %s", &endpoints[i], type, dir, size, addr, endpoints[i].getStateString());
mbed_official 0:a554658735bf 507 return &endpoints[i];
mbed_official 0:a554658735bf 508 }
mbed_official 0:a554658735bf 509 }
mbed_official 0:a554658735bf 510 USB_ERR("could not allocate more endpoints!!!!");
mbed_official 0:a554658735bf 511 return NULL;
mbed_official 0:a554658735bf 512 }
mbed_official 0:a554658735bf 513
mbed_official 0:a554658735bf 514
mbed_official 0:a554658735bf 515 USB_TYPE USBHost::resetDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 516 {
mbed_official 0:a554658735bf 517 int index = findDevice(dev);
mbed_official 0:a554658735bf 518 if (index != -1) {
mbed_official 0:a554658735bf 519 USB_DBG("Resetting hub %d, port %d\n", dev->getHub(), dev->getPort());
samux 4:b320d68e98e7 520 wait_ms(100);
mbed_official 0:a554658735bf 521 if (dev->getHub() == 0) {
mbed_official 0:a554658735bf 522 resetRootHub();
mbed_official 0:a554658735bf 523 }
mbed_official 0:a554658735bf 524 #if MAX_HUB_NB
mbed_official 0:a554658735bf 525 else {
mbed_official 0:a554658735bf 526 dev->getHubParent()->portReset(dev->getPort());
mbed_official 0:a554658735bf 527 }
mbed_official 0:a554658735bf 528 #endif
mbed_official 0:a554658735bf 529 wait_ms(100);
mbed_official 0:a554658735bf 530 deviceReset[index] = true;
mbed_official 0:a554658735bf 531 return USB_TYPE_OK;
mbed_official 0:a554658735bf 532 }
mbed_official 0:a554658735bf 533
mbed_official 0:a554658735bf 534 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 535 }
mbed_official 0:a554658735bf 536
mbed_official 0:a554658735bf 537 // link the USBEndpoint to the linked list and attach an USBEndpoint to a device
mbed_official 0:a554658735bf 538 bool USBHost::addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep)
mbed_official 0:a554658735bf 539 {
mbed_official 0:a554658735bf 540
mbed_official 0:a554658735bf 541 if (ep == NULL) {
mbed_official 0:a554658735bf 542 return false;
mbed_official 0:a554658735bf 543 }
mbed_official 0:a554658735bf 544
mbed_official 0:a554658735bf 545 HCED * prevEd;
mbed_official 0:a554658735bf 546
mbed_official 0:a554658735bf 547 // set device address in the USBEndpoint descriptor
mbed_official 0:a554658735bf 548 if (dev == NULL) {
mbed_official 0:a554658735bf 549 ep->setDeviceAddress(0);
mbed_official 0:a554658735bf 550 } else {
mbed_official 0:a554658735bf 551 ep->setDeviceAddress(dev->getAddress());
mbed_official 0:a554658735bf 552 }
mbed_official 0:a554658735bf 553
mbed_official 0:a554658735bf 554 if ((dev != NULL) && dev->getSpeed()) {
mbed_official 0:a554658735bf 555 ep->setSpeed(dev->getSpeed());
mbed_official 0:a554658735bf 556 }
samux 4:b320d68e98e7 557
samux 4:b320d68e98e7 558 ep->setIntfNb(intf_nb);
mbed_official 0:a554658735bf 559
mbed_official 0:a554658735bf 560 // queue the new USBEndpoint on the ED list
mbed_official 0:a554658735bf 561 switch (ep->getType()) {
mbed_official 0:a554658735bf 562
mbed_official 0:a554658735bf 563 case CONTROL_ENDPOINT:
mbed_official 0:a554658735bf 564 prevEd = ( HCED*) controlHeadED();
mbed_official 0:a554658735bf 565 if (!prevEd) {
mbed_official 0:a554658735bf 566 updateControlHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 567 USB_DBG_TRANSFER("First control USBEndpoint: %08X", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 568 headControlEndpoint = ep;
mbed_official 0:a554658735bf 569 tailControlEndpoint = ep;
mbed_official 0:a554658735bf 570 return true;
mbed_official 0:a554658735bf 571 }
mbed_official 0:a554658735bf 572 tailControlEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 573 tailControlEndpoint = ep;
mbed_official 0:a554658735bf 574 return true;
mbed_official 0:a554658735bf 575
mbed_official 0:a554658735bf 576 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 577 prevEd = ( HCED*) bulkHeadED();
mbed_official 0:a554658735bf 578 if (!prevEd) {
mbed_official 0:a554658735bf 579 updateBulkHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 580 USB_DBG_TRANSFER("First bulk USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 581 headBulkEndpoint = ep;
mbed_official 0:a554658735bf 582 tailBulkEndpoint = ep;
mbed_official 0:a554658735bf 583 break;
mbed_official 0:a554658735bf 584 }
samux 4:b320d68e98e7 585 USB_DBG_TRANSFER("Queue BULK Ed %p after %p\r\n",ep->getHCED(), prevEd);
mbed_official 0:a554658735bf 586 tailBulkEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 587 tailBulkEndpoint = ep;
mbed_official 0:a554658735bf 588 break;
mbed_official 0:a554658735bf 589
mbed_official 0:a554658735bf 590 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 591 prevEd = ( HCED*) interruptHeadED();
mbed_official 0:a554658735bf 592 if (!prevEd) {
mbed_official 0:a554658735bf 593 updateInterruptHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 594 USB_DBG_TRANSFER("First interrupt USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 595 headInterruptEndpoint = ep;
mbed_official 0:a554658735bf 596 tailInterruptEndpoint = ep;
mbed_official 0:a554658735bf 597 break;
mbed_official 0:a554658735bf 598 }
samux 4:b320d68e98e7 599 USB_DBG_TRANSFER("Queue INTERRUPT Ed %p after %p\r\n",ep->getHCED(), prevEd);
mbed_official 0:a554658735bf 600 tailInterruptEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 601 tailInterruptEndpoint = ep;
mbed_official 0:a554658735bf 602 break;
mbed_official 0:a554658735bf 603 default:
mbed_official 0:a554658735bf 604 return false;
mbed_official 0:a554658735bf 605 }
mbed_official 0:a554658735bf 606
mbed_official 0:a554658735bf 607 ep->dev = dev;
mbed_official 0:a554658735bf 608 dev->addEndpoint(intf_nb, ep);
mbed_official 0:a554658735bf 609
mbed_official 0:a554658735bf 610 return true;
mbed_official 0:a554658735bf 611 }
mbed_official 0:a554658735bf 612
mbed_official 0:a554658735bf 613
mbed_official 0:a554658735bf 614 int USBHost::findDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 615 {
mbed_official 0:a554658735bf 616 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 617 if (dev == &devices[i]) {
mbed_official 0:a554658735bf 618 return i;
mbed_official 0:a554658735bf 619 }
mbed_official 0:a554658735bf 620 }
mbed_official 0:a554658735bf 621 return -1;
mbed_official 0:a554658735bf 622 }
mbed_official 0:a554658735bf 623
mbed_official 0:a554658735bf 624 int USBHost::findDevice(uint8_t hub, uint8_t port, USBHostHub * hub_parent)
mbed_official 0:a554658735bf 625 {
mbed_official 0:a554658735bf 626 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 627 if (devices[i].getHub() == hub && devices[i].getPort() == port) {
mbed_official 0:a554658735bf 628 if (hub_parent != NULL) {
mbed_official 0:a554658735bf 629 if (hub_parent == devices[i].getHubParent())
mbed_official 0:a554658735bf 630 return i;
mbed_official 0:a554658735bf 631 } else {
mbed_official 0:a554658735bf 632 return i;
mbed_official 0:a554658735bf 633 }
mbed_official 0:a554658735bf 634 }
mbed_official 0:a554658735bf 635 }
mbed_official 0:a554658735bf 636 return -1;
mbed_official 0:a554658735bf 637 }
mbed_official 0:a554658735bf 638
mbed_official 0:a554658735bf 639 void USBHost::printList(ENDPOINT_TYPE type)
mbed_official 0:a554658735bf 640 {
mbed_official 0:a554658735bf 641 #if DEBUG_EP_STATE
samux 4:b320d68e98e7 642 volatile HCED * hced;
mbed_official 0:a554658735bf 643 switch(type) {
mbed_official 0:a554658735bf 644 case CONTROL_ENDPOINT:
mbed_official 0:a554658735bf 645 hced = (HCED *)controlHeadED();
mbed_official 0:a554658735bf 646 break;
mbed_official 0:a554658735bf 647 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 648 hced = (HCED *)bulkHeadED();
mbed_official 0:a554658735bf 649 break;
mbed_official 0:a554658735bf 650 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 651 hced = (HCED *)interruptHeadED();
mbed_official 0:a554658735bf 652 break;
mbed_official 0:a554658735bf 653 }
samux 4:b320d68e98e7 654 volatile HCTD * hctd = NULL;
mbed_official 0:a554658735bf 655 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" :
mbed_official 0:a554658735bf 656 ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" :
mbed_official 0:a554658735bf 657 ((type == CONTROL_ENDPOINT) ? "CONTROL" : "ISOCHRONOUS"));
mbed_official 0:a554658735bf 658 printf("State of %s:\r\n", type_str);
mbed_official 0:a554658735bf 659 while (hced != NULL) {
mbed_official 0:a554658735bf 660 uint8_t dir = ((hced->control & (3 << 11)) >> 11);
mbed_official 0:a554658735bf 661 printf("hced: %p [ADDR: %d, DIR: %s, EP_NB: 0x%X]\r\n", hced,
mbed_official 0:a554658735bf 662 hced->control & 0x7f,
mbed_official 0:a554658735bf 663 (dir == 1) ? "OUT" : ((dir == 0) ? "FROM_TD":"IN"),
mbed_official 0:a554658735bf 664 (hced->control & (0xf << 7)) >> 7);
mbed_official 0:a554658735bf 665 hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0xf));
samux 4:b320d68e98e7 666 while (hctd != hced->tailTD) {
mbed_official 0:a554658735bf 667 printf("\thctd: %p [DIR: %s]\r\n", hctd, ((hctd->control & (3 << 19)) >> 19) == 1 ? "OUT" : "IN");
samux 4:b320d68e98e7 668 hctd = hctd->nextTD;
mbed_official 0:a554658735bf 669 }
mbed_official 0:a554658735bf 670 printf("\thctd: %p\r\n", hctd);
samux 4:b320d68e98e7 671 hced = hced->nextED;
mbed_official 0:a554658735bf 672 }
mbed_official 0:a554658735bf 673 printf("\r\n\r\n");
mbed_official 0:a554658735bf 674 #endif
mbed_official 0:a554658735bf 675 }
mbed_official 0:a554658735bf 676
mbed_official 0:a554658735bf 677
mbed_official 0:a554658735bf 678 // add a transfer on the TD linked list
mbed_official 0:a554658735bf 679 USB_TYPE USBHost::addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len)
mbed_official 0:a554658735bf 680 {
mbed_official 0:a554658735bf 681
mbed_official 0:a554658735bf 682 // allocate a TD which will be freed in TDcompletion
mbed_official 0:a554658735bf 683 volatile HCTD * td = ed->getNextTD();
mbed_official 0:a554658735bf 684 if (td == NULL) {
mbed_official 0:a554658735bf 685 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 686 }
mbed_official 0:a554658735bf 687
mbed_official 0:a554658735bf 688 uint32_t token = (ed->isSetup() ? TD_SETUP : ( (ed->getDir() == IN) ? TD_IN : TD_OUT ));
mbed_official 0:a554658735bf 689
mbed_official 0:a554658735bf 690 uint32_t td_toggle;
mbed_official 0:a554658735bf 691
mbed_official 0:a554658735bf 692 if (ed->getType() == CONTROL_ENDPOINT) {
mbed_official 0:a554658735bf 693 if (ed->isSetup()) {
mbed_official 0:a554658735bf 694 td_toggle = TD_TOGGLE_0;
mbed_official 0:a554658735bf 695 } else {
mbed_official 0:a554658735bf 696 td_toggle = TD_TOGGLE_1;
mbed_official 0:a554658735bf 697 }
mbed_official 0:a554658735bf 698 } else {
mbed_official 0:a554658735bf 699 td_toggle = 0;
mbed_official 0:a554658735bf 700 }
mbed_official 0:a554658735bf 701
mbed_official 0:a554658735bf 702 td->control = (TD_ROUNDING | token | TD_DELAY_INT(0) | td_toggle | TD_CC);
mbed_official 0:a554658735bf 703 td->currBufPtr = buf;
mbed_official 0:a554658735bf 704 td->bufEnd = (buf + (len - 1));
mbed_official 0:a554658735bf 705
mbed_official 0:a554658735bf 706 ENDPOINT_TYPE type = ed->getType();
mbed_official 0:a554658735bf 707
mbed_official 0:a554658735bf 708 disableList(type);
mbed_official 0:a554658735bf 709 ed->queueTransfer();
mbed_official 0:a554658735bf 710 printList(type);
mbed_official 0:a554658735bf 711 enableList(type);
mbed_official 0:a554658735bf 712
mbed_official 0:a554658735bf 713 return USB_TYPE_PROCESSING;
mbed_official 0:a554658735bf 714 }
mbed_official 0:a554658735bf 715
mbed_official 0:a554658735bf 716
mbed_official 0:a554658735bf 717
mbed_official 0:a554658735bf 718 USB_TYPE USBHost::getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_dev_descr)
mbed_official 0:a554658735bf 719 {
mbed_official 0:a554658735bf 720 USB_TYPE t = controlRead( dev,
mbed_official 0:a554658735bf 721 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 722 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 723 (DEVICE_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 724 0, buf, MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf));
mbed_official 0:a554658735bf 725 if (len_dev_descr)
mbed_official 0:a554658735bf 726 *len_dev_descr = MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf);
mbed_official 0:a554658735bf 727
mbed_official 0:a554658735bf 728 return t;
mbed_official 0:a554658735bf 729 }
mbed_official 0:a554658735bf 730
mbed_official 0:a554658735bf 731 USB_TYPE USBHost::getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_conf_descr)
mbed_official 0:a554658735bf 732 {
mbed_official 0:a554658735bf 733 USB_TYPE res;
mbed_official 0:a554658735bf 734 uint16_t total_conf_descr_length = 0;
mbed_official 0:a554658735bf 735
mbed_official 0:a554658735bf 736 // fourth step: get the beginning of the configuration descriptor to have the total length of the conf descr
mbed_official 0:a554658735bf 737 res = controlRead( dev,
mbed_official 0:a554658735bf 738 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 739 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 740 (CONFIGURATION_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 741 0, buf, CONFIGURATION_DESCRIPTOR_LENGTH);
mbed_official 0:a554658735bf 742
mbed_official 0:a554658735bf 743 if (res != USB_TYPE_OK) {
mbed_official 0:a554658735bf 744 USB_ERR("GET CONF 1 DESCR FAILED");
mbed_official 0:a554658735bf 745 return res;
mbed_official 0:a554658735bf 746 }
mbed_official 0:a554658735bf 747 total_conf_descr_length = buf[2] | (buf[3] << 8);
mbed_official 0:a554658735bf 748 total_conf_descr_length = MIN(max_len_buf, total_conf_descr_length);
mbed_official 0:a554658735bf 749
mbed_official 0:a554658735bf 750 if (len_conf_descr)
mbed_official 0:a554658735bf 751 *len_conf_descr = total_conf_descr_length;
mbed_official 0:a554658735bf 752
mbed_official 0:a554658735bf 753 USB_DBG("TOTAL_LENGTH: %d \t NUM_INTERF: %d", total_conf_descr_length, buf[4]);
mbed_official 0:a554658735bf 754
mbed_official 0:a554658735bf 755 return controlRead( dev,
mbed_official 0:a554658735bf 756 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 757 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 758 (CONFIGURATION_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 759 0, buf, total_conf_descr_length);
mbed_official 0:a554658735bf 760 }
mbed_official 0:a554658735bf 761
mbed_official 0:a554658735bf 762
mbed_official 0:a554658735bf 763 USB_TYPE USBHost::setAddress(USBDeviceConnected * dev, uint8_t address) {
mbed_official 0:a554658735bf 764 return controlWrite( dev,
mbed_official 0:a554658735bf 765 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 766 SET_ADDRESS,
mbed_official 0:a554658735bf 767 address,
mbed_official 0:a554658735bf 768 0, NULL, 0);
mbed_official 0:a554658735bf 769
mbed_official 0:a554658735bf 770 }
mbed_official 0:a554658735bf 771
mbed_official 0:a554658735bf 772 USB_TYPE USBHost::setConfiguration(USBDeviceConnected * dev, uint8_t conf)
mbed_official 0:a554658735bf 773 {
mbed_official 0:a554658735bf 774 return controlWrite( dev,
mbed_official 0:a554658735bf 775 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 776 SET_CONFIGURATION,
mbed_official 0:a554658735bf 777 conf,
mbed_official 0:a554658735bf 778 0, NULL, 0);
mbed_official 0:a554658735bf 779 }
mbed_official 0:a554658735bf 780
samux 4:b320d68e98e7 781 uint8_t USBHost::numberDriverAttached(USBDeviceConnected * dev) {
samux 4:b320d68e98e7 782 int index = findDevice(dev);
samux 4:b320d68e98e7 783 uint8_t cnt = 0;
samux 4:b320d68e98e7 784 if (index == -1)
samux 4:b320d68e98e7 785 return 0;
samux 4:b320d68e98e7 786 for (uint8_t i = 0; i < MAX_INTF; i++) {
samux 4:b320d68e98e7 787 if (deviceAttachedDriver[index][i])
samux 4:b320d68e98e7 788 cnt++;
samux 4:b320d68e98e7 789 }
samux 4:b320d68e98e7 790 return cnt;
samux 4:b320d68e98e7 791 }
mbed_official 0:a554658735bf 792
mbed_official 0:a554658735bf 793 // enumerate a device with the control USBEndpoint
mbed_official 0:a554658735bf 794 USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)
mbed_official 0:a554658735bf 795 {
mbed_official 0:a554658735bf 796 uint16_t total_conf_descr_length = 0;
mbed_official 0:a554658735bf 797 USB_TYPE res;
mbed_official 0:a554658735bf 798
samux 4:b320d68e98e7 799 usb_mutex.lock();
samux 4:b320d68e98e7 800
samux 4:b320d68e98e7 801 // don't enumerate a device which all interfaces are registered to a specific driver
samux 4:b320d68e98e7 802 int index = findDevice(dev);
samux 4:b320d68e98e7 803
samux 4:b320d68e98e7 804 if (index == -1) {
samux 4:b320d68e98e7 805 usb_mutex.unlock();
samux 4:b320d68e98e7 806 return USB_TYPE_ERROR;
samux 4:b320d68e98e7 807 }
samux 4:b320d68e98e7 808
samux 4:b320d68e98e7 809 uint8_t nb_intf_attached = numberDriverAttached(dev);
samux 4:b320d68e98e7 810 USB_DBG("dev: %p nb_intf: %d", dev, dev->getNbIntf());
samux 4:b320d68e98e7 811 USB_DBG("dev: %p nb_intf_attached: %d", dev, nb_intf_attached);
samux 4:b320d68e98e7 812 if ((nb_intf_attached != 0) && (dev->getNbIntf() == nb_intf_attached)) {
samux 4:b320d68e98e7 813 USB_DBG("Don't enumerate dev: %p because all intf are registered with a driver", dev);
samux 4:b320d68e98e7 814 usb_mutex.unlock();
mbed_official 0:a554658735bf 815 return USB_TYPE_OK;
mbed_official 0:a554658735bf 816 }
mbed_official 0:a554658735bf 817
samux 4:b320d68e98e7 818 USB_DBG("Enumerate dev: %p", dev);
samux 4:b320d68e98e7 819
mbed_official 0:a554658735bf 820 // third step: get the whole device descriptor to see vid, pid
mbed_official 0:a554658735bf 821 res = getDeviceDescriptor(dev, data, DEVICE_DESCRIPTOR_LENGTH);
mbed_official 0:a554658735bf 822
samux 4:b320d68e98e7 823 if (res != USB_TYPE_OK) {
mbed_official 0:a554658735bf 824 USB_DBG("GET DEV DESCR FAILED");
samux 4:b320d68e98e7 825 usb_mutex.unlock();
mbed_official 0:a554658735bf 826 return res;
mbed_official 0:a554658735bf 827 }
mbed_official 0:a554658735bf 828
mbed_official 0:a554658735bf 829 dev->setClass(data[4]);
mbed_official 0:a554658735bf 830 dev->setSubClass(data[5]);
mbed_official 0:a554658735bf 831 dev->setProtocol(data[6]);
mbed_official 0:a554658735bf 832 dev->setVid(data[8] | (data[9] << 8));
mbed_official 0:a554658735bf 833 dev->setPid(data[10] | (data[11] << 8));
mbed_official 0:a554658735bf 834 USB_DBG("CLASS: %02X \t VID: %04X \t PID: %04X", data[4], data[8] | (data[9] << 8), data[10] | (data[11] << 8));
mbed_official 0:a554658735bf 835
mbed_official 0:a554658735bf 836 pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
mbed_official 0:a554658735bf 837
mbed_official 0:a554658735bf 838 res = getConfigurationDescriptor(dev, data, 400, &total_conf_descr_length);
mbed_official 0:a554658735bf 839 if (res != USB_TYPE_OK) {
samux 4:b320d68e98e7 840 usb_mutex.unlock();
mbed_official 0:a554658735bf 841 return res;
mbed_official 0:a554658735bf 842 }
mbed_official 0:a554658735bf 843
mbed_official 0:a554658735bf 844 #if DEBUG
mbed_official 0:a554658735bf 845 USB_DBG("CONFIGURATION DESCRIPTOR:\r\n");
mbed_official 0:a554658735bf 846 for (int i = 0; i < total_conf_descr_length; i++)
mbed_official 0:a554658735bf 847 printf("%02X ", data[i]);
mbed_official 0:a554658735bf 848 printf("\r\n\r\n");
mbed_official 0:a554658735bf 849 #endif
mbed_official 0:a554658735bf 850
mbed_official 0:a554658735bf 851 // Parse the configuration descriptor
mbed_official 0:a554658735bf 852 parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
mbed_official 0:a554658735bf 853
samux 4:b320d68e98e7 854 // only set configuration if not enumerated before
samux 4:b320d68e98e7 855 if (!dev->isEnumerated()) {
samux 4:b320d68e98e7 856
samux 4:b320d68e98e7 857 USB_DBG("Set configuration 1 on dev: %p", dev);
samux 4:b320d68e98e7 858 // sixth step: set configuration (only 1 supported)
samux 4:b320d68e98e7 859 res = setConfiguration(dev, 1);
mbed_official 0:a554658735bf 860
samux 4:b320d68e98e7 861 if (res != USB_TYPE_OK) {
samux 4:b320d68e98e7 862 USB_DBG("SET CONF FAILED");
samux 4:b320d68e98e7 863 usb_mutex.unlock();
samux 4:b320d68e98e7 864 return res;
samux 4:b320d68e98e7 865 }
mbed_official 0:a554658735bf 866 }
samux 4:b320d68e98e7 867
samux 4:b320d68e98e7 868 dev->setEnumerated();
mbed_official 0:a554658735bf 869
mbed_official 0:a554658735bf 870 // Now the device is enumerated!
samux 4:b320d68e98e7 871 USB_DBG("dev %p is enumerated\r\n", dev);
samux 4:b320d68e98e7 872 usb_mutex.unlock();
mbed_official 0:a554658735bf 873
mbed_official 0:a554658735bf 874 // Some devices may require this delay
samux 4:b320d68e98e7 875 wait_ms(100);
mbed_official 0:a554658735bf 876
mbed_official 0:a554658735bf 877 return USB_TYPE_OK;
mbed_official 0:a554658735bf 878 }
mbed_official 0:a554658735bf 879
mbed_official 0:a554658735bf 880 // this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
mbed_official 0:a554658735bf 881 void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)
mbed_official 0:a554658735bf 882 {
mbed_official 0:a554658735bf 883 uint32_t index = 0;
mbed_official 0:a554658735bf 884 uint32_t len_desc = 0;
mbed_official 0:a554658735bf 885 uint8_t id = 0;
mbed_official 0:a554658735bf 886 int nb_endpoints_used = 0;
mbed_official 0:a554658735bf 887 USBEndpoint * ep = NULL;
mbed_official 0:a554658735bf 888 uint8_t intf_nb = 0;
mbed_official 0:a554658735bf 889 bool parsing_intf = false;
samux 4:b320d68e98e7 890 uint8_t current_intf = 0;
mbed_official 0:a554658735bf 891
mbed_official 0:a554658735bf 892 while (index < len) {
mbed_official 0:a554658735bf 893 len_desc = conf_descr[index];
mbed_official 0:a554658735bf 894 id = conf_descr[index+1];
mbed_official 0:a554658735bf 895 switch (id) {
mbed_official 0:a554658735bf 896 case CONFIGURATION_DESCRIPTOR:
samux 4:b320d68e98e7 897 USB_DBG("dev: %p has %d intf", dev, conf_descr[4]);
samux 4:b320d68e98e7 898 dev->setNbIntf(conf_descr[4]);
mbed_official 0:a554658735bf 899 break;
mbed_official 0:a554658735bf 900 case INTERFACE_DESCRIPTOR:
samux 4:b320d68e98e7 901 if(pEnumerator->parseInterface(conf_descr[index + 2], conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) {
mbed_official 0:a554658735bf 902 if (intf_nb++ <= MAX_INTF) {
samux 4:b320d68e98e7 903 current_intf = conf_descr[index + 2];
samux 4:b320d68e98e7 904 dev->addInterface(current_intf, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
mbed_official 0:a554658735bf 905 nb_endpoints_used = 0;
samux 4:b320d68e98e7 906 USB_DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", current_intf, dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
mbed_official 0:a554658735bf 907 } else {
mbed_official 0:a554658735bf 908 USB_DBG("Drop intf...");
mbed_official 0:a554658735bf 909 }
mbed_official 0:a554658735bf 910 parsing_intf = true;
mbed_official 0:a554658735bf 911 } else {
mbed_official 0:a554658735bf 912 parsing_intf = false;
mbed_official 0:a554658735bf 913 }
mbed_official 0:a554658735bf 914 break;
mbed_official 0:a554658735bf 915 case ENDPOINT_DESCRIPTOR:
mbed_official 0:a554658735bf 916 if (parsing_intf && (intf_nb <= MAX_INTF) ) {
mbed_official 0:a554658735bf 917 if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
samux 4:b320d68e98e7 918 if( pEnumerator->useEndpoint(current_intf, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) ) {
mbed_official 0:a554658735bf 919 // if the USBEndpoint is isochronous -> skip it (TODO: fix this)
mbed_official 0:a554658735bf 920 if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
mbed_official 0:a554658735bf 921 ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
mbed_official 0:a554658735bf 922 (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
mbed_official 0:a554658735bf 923 conf_descr[index + 4] | (conf_descr[index + 5] << 8),
mbed_official 0:a554658735bf 924 conf_descr[index + 2] & 0x0f);
samux 4:b320d68e98e7 925 USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", ep, current_intf, dev);
mbed_official 0:a554658735bf 926 if (ep != NULL && dev != NULL) {
samux 4:b320d68e98e7 927 addEndpoint(dev, current_intf, ep);
mbed_official 0:a554658735bf 928 } else {
mbed_official 0:a554658735bf 929 USB_DBG("EP NULL");
mbed_official 0:a554658735bf 930 }
mbed_official 0:a554658735bf 931 nb_endpoints_used++;
mbed_official 0:a554658735bf 932 } else {
mbed_official 0:a554658735bf 933 USB_DBG("ISO USBEndpoint NOT SUPPORTED");
mbed_official 0:a554658735bf 934 }
mbed_official 0:a554658735bf 935 }
mbed_official 0:a554658735bf 936 }
mbed_official 0:a554658735bf 937 }
mbed_official 0:a554658735bf 938 break;
mbed_official 0:a554658735bf 939 case HID_DESCRIPTOR:
mbed_official 0:a554658735bf 940 lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
mbed_official 0:a554658735bf 941 break;
mbed_official 0:a554658735bf 942 default:
mbed_official 0:a554658735bf 943 break;
mbed_official 0:a554658735bf 944 }
mbed_official 0:a554658735bf 945 index += len_desc;
mbed_official 0:a554658735bf 946 }
mbed_official 0:a554658735bf 947 }
mbed_official 0:a554658735bf 948
mbed_official 0:a554658735bf 949
mbed_official 0:a554658735bf 950 USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 951 {
mbed_official 0:a554658735bf 952 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, true);
mbed_official 0:a554658735bf 953 }
mbed_official 0:a554658735bf 954
mbed_official 0:a554658735bf 955 USB_TYPE USBHost::bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 956 {
mbed_official 0:a554658735bf 957 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, false);
mbed_official 0:a554658735bf 958 }
mbed_official 0:a554658735bf 959
mbed_official 0:a554658735bf 960 USB_TYPE USBHost::interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 961 {
mbed_official 0:a554658735bf 962 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, true);
mbed_official 0:a554658735bf 963 }
mbed_official 0:a554658735bf 964
mbed_official 0:a554658735bf 965 USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 966 {
mbed_official 0:a554658735bf 967 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, false);
mbed_official 0:a554658735bf 968 }
mbed_official 0:a554658735bf 969
mbed_official 0:a554658735bf 970 USB_TYPE USBHost::generalTransfer(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking, ENDPOINT_TYPE type, bool write) {
samux 4:b320d68e98e7 971
mbed_official 0:a554658735bf 972 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 973 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" : ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" : "ISOCHRONOUS");
samux 4:b320d68e98e7 974 USB_DBG_TRANSFER("----- %s %s [dev: %p - %s - hub: %d - port: %d - addr: %d - ep: %02X]------", type_str, (write) ? "WRITE" : "READ", dev, dev->getName(ep->getIntfNb()), dev->getHub(), dev->getPort(), dev->getAddress(), ep->getAddress());
mbed_official 0:a554658735bf 975 #endif
samux 4:b320d68e98e7 976
mbed_official 0:a554658735bf 977 USB_TYPE res;
mbed_official 0:a554658735bf 978 ENDPOINT_DIRECTION dir = (write) ? OUT : IN;
samux 4:b320d68e98e7 979
samux 4:b320d68e98e7 980 usb_mutex.lock();
samux 4:b320d68e98e7 981
mbed_official 0:a554658735bf 982 if (dev == NULL) {
mbed_official 0:a554658735bf 983 USB_ERR("dev NULL");
samux 4:b320d68e98e7 984 usb_mutex.unlock();
mbed_official 0:a554658735bf 985 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 986 }
mbed_official 0:a554658735bf 987
mbed_official 0:a554658735bf 988 if (ep == NULL) {
mbed_official 0:a554658735bf 989 USB_ERR("ep NULL");
samux 4:b320d68e98e7 990 usb_mutex.unlock();
mbed_official 0:a554658735bf 991 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 992 }
mbed_official 0:a554658735bf 993
mbed_official 0:a554658735bf 994 if (ep->getState() != USB_TYPE_IDLE) {
samux 4:b320d68e98e7 995 USB_WARN("[ep: %p - dev: %p - %s] NOT IDLE: %s", ep, ep->dev, ep->dev->getName(ep->getIntfNb()), ep->getStateString());
samux 4:b320d68e98e7 996 usb_mutex.unlock();
mbed_official 0:a554658735bf 997 return ep->getState();
mbed_official 0:a554658735bf 998 }
mbed_official 0:a554658735bf 999
mbed_official 0:a554658735bf 1000 if ((ep->getDir() != dir) || (ep->getType() != type)) {
mbed_official 0:a554658735bf 1001 USB_ERR("[ep: %p - dev: %p] wrong dir or bad USBEndpoint type", ep, ep->dev);
samux 4:b320d68e98e7 1002 usb_mutex.unlock();
mbed_official 0:a554658735bf 1003 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1004 }
mbed_official 0:a554658735bf 1005
mbed_official 0:a554658735bf 1006 if (dev->getAddress() != ep->getDeviceAddress()) {
mbed_official 0:a554658735bf 1007 USB_ERR("[ep: %p - dev: %p] USBEndpoint addr and device addr don't match", ep, ep->dev);
samux 4:b320d68e98e7 1008 usb_mutex.unlock();
mbed_official 0:a554658735bf 1009 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1010 }
mbed_official 0:a554658735bf 1011
mbed_official 0:a554658735bf 1012 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1013 if (write) {
mbed_official 0:a554658735bf 1014 USB_DBG_TRANSFER("%s WRITE buffer", type_str);
mbed_official 0:a554658735bf 1015 for (int i = 0; i < ep->getLengthTransferred(); i++)
mbed_official 0:a554658735bf 1016 printf("%02X ", buf[i]);
mbed_official 0:a554658735bf 1017 printf("\r\n\r\n");
mbed_official 0:a554658735bf 1018 }
mbed_official 0:a554658735bf 1019 #endif
mbed_official 0:a554658735bf 1020 usb_mutex.lock();
mbed_official 0:a554658735bf 1021 addTransfer(ep, buf, len);
mbed_official 0:a554658735bf 1022 usb_mutex.unlock();
mbed_official 0:a554658735bf 1023
mbed_official 0:a554658735bf 1024 if (blocking) {
samux 4:b320d68e98e7 1025
samux 4:b320d68e98e7 1026 while((res = ep->getState()) == USB_TYPE_PROCESSING);
samux 4:b320d68e98e7 1027
samux 4:b320d68e98e7 1028 USB_DBG_TRANSFER("%s TRANSFER res: %s on ep: %p\r\n", type_str, ep->getStateString(), ep);
samux 4:b320d68e98e7 1029
mbed_official 0:a554658735bf 1030 if (res != USB_TYPE_IDLE) {
samux 4:b320d68e98e7 1031 usb_mutex.unlock();
mbed_official 0:a554658735bf 1032 return res;
mbed_official 0:a554658735bf 1033 }
mbed_official 0:a554658735bf 1034
samux 4:b320d68e98e7 1035 usb_mutex.unlock();
mbed_official 0:a554658735bf 1036 return USB_TYPE_OK;
mbed_official 0:a554658735bf 1037 }
samux 4:b320d68e98e7 1038
samux 4:b320d68e98e7 1039 usb_mutex.unlock();
mbed_official 0:a554658735bf 1040 return USB_TYPE_PROCESSING;
mbed_official 0:a554658735bf 1041
mbed_official 0:a554658735bf 1042 }
mbed_official 0:a554658735bf 1043
mbed_official 0:a554658735bf 1044
mbed_official 0:a554658735bf 1045 USB_TYPE USBHost::controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
mbed_official 0:a554658735bf 1046 return controlTransfer(dev, requestType, request, value, index, buf, len, false);
mbed_official 0:a554658735bf 1047 }
mbed_official 0:a554658735bf 1048
mbed_official 0:a554658735bf 1049 USB_TYPE USBHost::controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
mbed_official 0:a554658735bf 1050 return controlTransfer(dev, requestType, request, value, index, buf, len, true);
mbed_official 0:a554658735bf 1051 }
mbed_official 0:a554658735bf 1052
mbed_official 0:a554658735bf 1053 USB_TYPE USBHost::controlTransfer(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len, bool write)
mbed_official 0:a554658735bf 1054 {
samux 4:b320d68e98e7 1055 usb_mutex.lock();
samux 4:b320d68e98e7 1056 USB_DBG_TRANSFER("----- CONTROL %s [dev: %p - hub: %d - port: %d] ------", (write) ? "WRITE" : "READ", dev, dev->getHub(), dev->getPort());
mbed_official 0:a554658735bf 1057
mbed_official 0:a554658735bf 1058 int length_transfer = len;
mbed_official 0:a554658735bf 1059 USB_TYPE res;
mbed_official 0:a554658735bf 1060 uint32_t token;
mbed_official 0:a554658735bf 1061
mbed_official 0:a554658735bf 1062 control->setSpeed(dev->getSpeed());
mbed_official 0:a554658735bf 1063 control->setSize(dev->getSizeControlEndpoint());
mbed_official 0:a554658735bf 1064 if (dev->isActiveAddress()) {
mbed_official 0:a554658735bf 1065 control->setDeviceAddress(dev->getAddress());
mbed_official 0:a554658735bf 1066 } else {
mbed_official 0:a554658735bf 1067 control->setDeviceAddress(0);
mbed_official 0:a554658735bf 1068 }
samux 4:b320d68e98e7 1069
mbed_official 0:a554658735bf 1070 USB_DBG_TRANSFER("Control transfer on device: %d\r\n", control->getDeviceAddress());
mbed_official 0:a554658735bf 1071 fillControlBuf(requestType, request, value, index, len);
mbed_official 0:a554658735bf 1072
mbed_official 0:a554658735bf 1073 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1074 USB_DBG_TRANSFER("SETUP PACKET: ");
mbed_official 0:a554658735bf 1075 for (int i = 0; i < 8; i++)
mbed_official 0:a554658735bf 1076 printf("%01X ", setupPacket[i]);
mbed_official 0:a554658735bf 1077 printf("\r\n");
mbed_official 0:a554658735bf 1078 #endif
mbed_official 0:a554658735bf 1079
mbed_official 0:a554658735bf 1080 control->setNextToken(TD_SETUP);
mbed_official 0:a554658735bf 1081 addTransfer(control, (uint8_t*)setupPacket, 8);
mbed_official 0:a554658735bf 1082
samux 4:b320d68e98e7 1083 while((res = control->getState()) == USB_TYPE_PROCESSING);
mbed_official 0:a554658735bf 1084
mbed_official 0:a554658735bf 1085 USB_DBG_TRANSFER("CONTROL setup stage %s", control->getStateString());
mbed_official 0:a554658735bf 1086
mbed_official 0:a554658735bf 1087 if (res != USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 1088 usb_mutex.unlock();
mbed_official 0:a554658735bf 1089 return res;
mbed_official 0:a554658735bf 1090 }
mbed_official 0:a554658735bf 1091
mbed_official 0:a554658735bf 1092 if (length_transfer) {
mbed_official 0:a554658735bf 1093 token = (write) ? TD_OUT : TD_IN;
mbed_official 0:a554658735bf 1094 control->setNextToken(token);
mbed_official 0:a554658735bf 1095 addTransfer(control, (uint8_t *)buf, length_transfer);
mbed_official 0:a554658735bf 1096
samux 4:b320d68e98e7 1097 while((res = control->getState()) == USB_TYPE_PROCESSING);
mbed_official 0:a554658735bf 1098
mbed_official 0:a554658735bf 1099 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1100 USB_DBG_TRANSFER("CONTROL %s stage %s", (write) ? "WRITE" : "READ", control->getStateString());
mbed_official 0:a554658735bf 1101 if (write) {
mbed_official 0:a554658735bf 1102 USB_DBG_TRANSFER("CONTROL WRITE buffer");
mbed_official 0:a554658735bf 1103 for (int i = 0; i < control->getLengthTransferred(); i++)
mbed_official 0:a554658735bf 1104 printf("%02X ", buf[i]);
mbed_official 0:a554658735bf 1105 printf("\r\n\r\n");
mbed_official 0:a554658735bf 1106 } else {
mbed_official 0:a554658735bf 1107 USB_DBG_TRANSFER("CONTROL READ SUCCESS [%d bytes transferred]", control->getLengthTransferred());
mbed_official 0:a554658735bf 1108 for (int i = 0; i < control->getLengthTransferred(); i++)
mbed_official 0:a554658735bf 1109 printf("%02X ", buf[i]);
mbed_official 0:a554658735bf 1110 printf("\r\n\r\n");
mbed_official 0:a554658735bf 1111 }
mbed_official 0:a554658735bf 1112 #endif
mbed_official 0:a554658735bf 1113
mbed_official 0:a554658735bf 1114 if (res != USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 1115 usb_mutex.unlock();
mbed_official 0:a554658735bf 1116 return res;
mbed_official 0:a554658735bf 1117 }
mbed_official 0:a554658735bf 1118 }
mbed_official 0:a554658735bf 1119
mbed_official 0:a554658735bf 1120 token = (write) ? TD_IN : TD_OUT;
mbed_official 0:a554658735bf 1121 control->setNextToken(token);
mbed_official 0:a554658735bf 1122 addTransfer(control, NULL, 0);
mbed_official 0:a554658735bf 1123
samux 4:b320d68e98e7 1124 while((res = control->getState()) == USB_TYPE_PROCESSING);
mbed_official 0:a554658735bf 1125
mbed_official 0:a554658735bf 1126 USB_DBG_TRANSFER("CONTROL ack stage %s", control->getStateString());
mbed_official 0:a554658735bf 1127 usb_mutex.unlock();
mbed_official 0:a554658735bf 1128
mbed_official 0:a554658735bf 1129 if (res != USB_TYPE_IDLE)
mbed_official 0:a554658735bf 1130 return res;
mbed_official 0:a554658735bf 1131
mbed_official 0:a554658735bf 1132 return USB_TYPE_OK;
mbed_official 0:a554658735bf 1133 }
mbed_official 0:a554658735bf 1134
mbed_official 0:a554658735bf 1135
mbed_official 0:a554658735bf 1136 void USBHost::fillControlBuf(uint8_t requestType, uint8_t request, uint16_t value, uint16_t index, int len)
mbed_official 0:a554658735bf 1137 {
mbed_official 0:a554658735bf 1138 #ifdef __BIG_ENDIAN
mbed_official 0:a554658735bf 1139 #error "Must implement BE to LE conv here"
mbed_official 0:a554658735bf 1140 #endif
mbed_official 0:a554658735bf 1141 setupPacket[0] = requestType;
mbed_official 0:a554658735bf 1142 setupPacket[1] = request;
mbed_official 0:a554658735bf 1143 //We are in LE so it's fine
mbed_official 0:a554658735bf 1144 *((uint16_t*)&setupPacket[2]) = value;
mbed_official 0:a554658735bf 1145 *((uint16_t*)&setupPacket[4]) = index;
mbed_official 0:a554658735bf 1146 *((uint16_t*)&setupPacket[6]) = (uint32_t) len;
mbed_official 0:a554658735bf 1147 }