z ysaito / USBHost2

2018.07.26

Dependencies:   FATFileSystem2 mbed-rtos

Fork of USBHost by mbed official

USBHost/USBHost.cpp@43:78f328f311dc, 2018-07-26 (annotated)

Committer:
sayzyas
Date:
Thu Jul 26 00:19:16 2018 +0000
Revision:
43:78f328f311dc
2018.07.26

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sayzyas 43:78f328f311dc 1 /* mbed USBHost Library
sayzyas 43:78f328f311dc 2 * Copyright (c) 2006-2013 ARM Limited
sayzyas 43:78f328f311dc 3 *
sayzyas 43:78f328f311dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
sayzyas 43:78f328f311dc 5 * you may not use this file except in compliance with the License.
sayzyas 43:78f328f311dc 6 * You may obtain a copy of the License at
sayzyas 43:78f328f311dc 7 *
sayzyas 43:78f328f311dc 8 * http://www.apache.org/licenses/LICENSE-2.0
sayzyas 43:78f328f311dc 9 *
sayzyas 43:78f328f311dc 10 * Unless required by applicable law or agreed to in writing, software
sayzyas 43:78f328f311dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
sayzyas 43:78f328f311dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sayzyas 43:78f328f311dc 13 * See the License for the specific language governing permissions and
sayzyas 43:78f328f311dc 14 * limitations under the License.
sayzyas 43:78f328f311dc 15 */
sayzyas 43:78f328f311dc 16
sayzyas 43:78f328f311dc 17
sayzyas 43:78f328f311dc 18 #include "USBHost.h"
sayzyas 43:78f328f311dc 19 #include "USBHostHub.h"
sayzyas 43:78f328f311dc 20
sayzyas 43:78f328f311dc 21 USBHost * USBHost::instHost = NULL;
sayzyas 43:78f328f311dc 22
sayzyas 43:78f328f311dc 23 #define DEVICE_CONNECTED_EVENT (1 << 0)
sayzyas 43:78f328f311dc 24 #define DEVICE_DISCONNECTED_EVENT (1 << 1)
sayzyas 43:78f328f311dc 25 #define TD_PROCESSED_EVENT (1 << 2)
sayzyas 43:78f328f311dc 26
sayzyas 43:78f328f311dc 27 #define MAX_TRY_ENUMERATE_HUB 3
sayzyas 43:78f328f311dc 28
sayzyas 43:78f328f311dc 29 #define MIN(a, b) ((a > b) ? b : a)
sayzyas 43:78f328f311dc 30
sayzyas 43:78f328f311dc 31 /**
sayzyas 43:78f328f311dc 32 * How interrupts are processed:
sayzyas 43:78f328f311dc 33 * - new device connected:
sayzyas 43:78f328f311dc 34 * - a message is queued in queue_usb_event with the id DEVICE_CONNECTED_EVENT
sayzyas 43:78f328f311dc 35 * - when the usb_thread receives the event, it:
sayzyas 43:78f328f311dc 36 * - resets the device
sayzyas 43:78f328f311dc 37 * - reads the device descriptor
sayzyas 43:78f328f311dc 38 * - sets the address of the device
sayzyas 43:78f328f311dc 39 * - if it is a hub, enumerates it
sayzyas 43:78f328f311dc 40 * - device disconnected:
sayzyas 43:78f328f311dc 41 * - a message is queued in queue_usb_event with the id DEVICE_DISCONNECTED_EVENT
sayzyas 43:78f328f311dc 42 * - when the usb_thread receives the event, it:
sayzyas 43:78f328f311dc 43 * - free the device and all its children (hub)
sayzyas 43:78f328f311dc 44 * - td processed
sayzyas 43:78f328f311dc 45 * - a message is queued in queue_usb_event with the id TD_PROCESSED_EVENT
sayzyas 43:78f328f311dc 46 * - when the usb_thread receives the event, it:
sayzyas 43:78f328f311dc 47 * - call the callback attached to the endpoint where the td is attached
sayzyas 43:78f328f311dc 48 */
sayzyas 43:78f328f311dc 49 void USBHost::usb_process() {
sayzyas 43:78f328f311dc 50
sayzyas 43:78f328f311dc 51 bool controlListState;
sayzyas 43:78f328f311dc 52 bool bulkListState;
sayzyas 43:78f328f311dc 53 bool interruptListState;
sayzyas 43:78f328f311dc 54 USBEndpoint * ep;
sayzyas 43:78f328f311dc 55 uint8_t i, j, res, timeout_set_addr = 10;
sayzyas 43:78f328f311dc 56 uint8_t buf[8];
sayzyas 43:78f328f311dc 57 bool too_many_hub;
sayzyas 43:78f328f311dc 58 int idx;
sayzyas 43:78f328f311dc 59
sayzyas 43:78f328f311dc 60 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 61 uint8_t * buf_transfer;
sayzyas 43:78f328f311dc 62 #endif
sayzyas 43:78f328f311dc 63
sayzyas 43:78f328f311dc 64 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 65 uint8_t k;
sayzyas 43:78f328f311dc 66 #endif
sayzyas 43:78f328f311dc 67
sayzyas 43:78f328f311dc 68 while(1) {
sayzyas 43:78f328f311dc 69 osEvent evt = mail_usb_event.get();
sayzyas 43:78f328f311dc 70
sayzyas 43:78f328f311dc 71 if (evt.status == osEventMail) {
sayzyas 43:78f328f311dc 72
sayzyas 43:78f328f311dc 73 message_t * usb_msg = (message_t*)evt.value.p;
sayzyas 43:78f328f311dc 74
sayzyas 43:78f328f311dc 75 switch (usb_msg->event_id) {
sayzyas 43:78f328f311dc 76
sayzyas 43:78f328f311dc 77 // a new device has been connected
sayzyas 43:78f328f311dc 78 case DEVICE_CONNECTED_EVENT:
sayzyas 43:78f328f311dc 79 too_many_hub = false;
sayzyas 43:78f328f311dc 80 buf[4] = 0;
sayzyas 43:78f328f311dc 81
sayzyas 43:78f328f311dc 82 do
sayzyas 43:78f328f311dc 83 {
sayzyas 43:78f328f311dc 84 Lock lock(this);
sayzyas 43:78f328f311dc 85
sayzyas 43:78f328f311dc 86 for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
sayzyas 43:78f328f311dc 87 if (!deviceInUse[i]) {
sayzyas 43:78f328f311dc 88 USB_DBG_EVENT("new device connected: %p\r\n", &devices[i]);
sayzyas 43:78f328f311dc 89 devices[i].init(usb_msg->hub, usb_msg->port, usb_msg->lowSpeed);
sayzyas 43:78f328f311dc 90 deviceReset[i] = false;
sayzyas 43:78f328f311dc 91 deviceInited[i] = true;
sayzyas 43:78f328f311dc 92 break;
sayzyas 43:78f328f311dc 93 }
sayzyas 43:78f328f311dc 94 }
sayzyas 43:78f328f311dc 95
sayzyas 43:78f328f311dc 96 if (i == MAX_DEVICE_CONNECTED) {
sayzyas 43:78f328f311dc 97 USB_ERR("Too many device connected!!\r\n");
sayzyas 43:78f328f311dc 98 continue;
sayzyas 43:78f328f311dc 99 }
sayzyas 43:78f328f311dc 100
sayzyas 43:78f328f311dc 101 if (!controlEndpointAllocated) {
sayzyas 43:78f328f311dc 102 control = newEndpoint(CONTROL_ENDPOINT, OUT, 0x08, 0x00);
sayzyas 43:78f328f311dc 103 addEndpoint(NULL, 0, (USBEndpoint*)control);
sayzyas 43:78f328f311dc 104 controlEndpointAllocated = true;
sayzyas 43:78f328f311dc 105 }
sayzyas 43:78f328f311dc 106
sayzyas 43:78f328f311dc 107 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 108 if (usb_msg->hub_parent)
sayzyas 43:78f328f311dc 109 devices[i].setHubParent((USBHostHub *)(usb_msg->hub_parent));
sayzyas 43:78f328f311dc 110 #endif
sayzyas 43:78f328f311dc 111
sayzyas 43:78f328f311dc 112 for (j = 0; j < timeout_set_addr; j++) {
sayzyas 43:78f328f311dc 113
sayzyas 43:78f328f311dc 114 resetDevice(&devices[i]);
sayzyas 43:78f328f311dc 115
sayzyas 43:78f328f311dc 116 // set size of control endpoint
sayzyas 43:78f328f311dc 117 devices[i].setSizeControlEndpoint(8);
sayzyas 43:78f328f311dc 118
sayzyas 43:78f328f311dc 119 devices[i].activeAddress(false);
sayzyas 43:78f328f311dc 120
sayzyas 43:78f328f311dc 121 // get first 8 bit of device descriptor
sayzyas 43:78f328f311dc 122 // and check if we deal with a hub
sayzyas 43:78f328f311dc 123 USB_DBG("usb_thread read device descriptor on dev: %p\r\n", &devices[i]);
sayzyas 43:78f328f311dc 124 res = getDeviceDescriptor(&devices[i], buf, 8);
sayzyas 43:78f328f311dc 125
sayzyas 43:78f328f311dc 126 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 127 USB_ERR("usb_thread could not read dev descr");
sayzyas 43:78f328f311dc 128 continue;
sayzyas 43:78f328f311dc 129 }
sayzyas 43:78f328f311dc 130
sayzyas 43:78f328f311dc 131 // set size of control endpoint
sayzyas 43:78f328f311dc 132 devices[i].setSizeControlEndpoint(buf[7]);
sayzyas 43:78f328f311dc 133
sayzyas 43:78f328f311dc 134 // second step: set an address to the device
sayzyas 43:78f328f311dc 135 res = setAddress(&devices[i], devices[i].getAddress());
sayzyas 43:78f328f311dc 136
sayzyas 43:78f328f311dc 137 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 138 USB_ERR("SET ADDR FAILED");
sayzyas 43:78f328f311dc 139 continue;
sayzyas 43:78f328f311dc 140 }
sayzyas 43:78f328f311dc 141 devices[i].activeAddress(true);
sayzyas 43:78f328f311dc 142 USB_DBG("Address of %p: %d", &devices[i], devices[i].getAddress());
sayzyas 43:78f328f311dc 143
sayzyas 43:78f328f311dc 144 // try to read again the device descriptor to check if the device
sayzyas 43:78f328f311dc 145 // answers to its new address
sayzyas 43:78f328f311dc 146 res = getDeviceDescriptor(&devices[i], buf, 8);
sayzyas 43:78f328f311dc 147
sayzyas 43:78f328f311dc 148 if (res == USB_TYPE_OK) {
sayzyas 43:78f328f311dc 149
sayzyas 43:78f328f311dc 150 break;
sayzyas 43:78f328f311dc 151 }
sayzyas 43:78f328f311dc 152
sayzyas 43:78f328f311dc 153 Thread::wait(100);
sayzyas 43:78f328f311dc 154 }
sayzyas 43:78f328f311dc 155
sayzyas 43:78f328f311dc 156 USB_INFO("New device is connected");
sayzyas 43:78f328f311dc 157 USB_INFO("%p [hub: %d - port: %d]", &devices[i], usb_msg->hub, usb_msg->port);
sayzyas 43:78f328f311dc 158
sayzyas 43:78f328f311dc 159 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 160 if (buf[4] == HUB_CLASS) {
sayzyas 43:78f328f311dc 161 for (k = 0; k < MAX_HUB_NB; k++) {
sayzyas 43:78f328f311dc 162 if (hub_in_use[k] == false) {
sayzyas 43:78f328f311dc 163 for (uint8_t j = 0; j < MAX_TRY_ENUMERATE_HUB; j++) {
sayzyas 43:78f328f311dc 164 if (hubs[k].connect(&devices[i])) {
sayzyas 43:78f328f311dc 165 devices[i].hub = &hubs[k];
sayzyas 43:78f328f311dc 166 hub_in_use[k] = true;
sayzyas 43:78f328f311dc 167 USB_INFO("XX1");
sayzyas 43:78f328f311dc 168 break;
sayzyas 43:78f328f311dc 169 }
sayzyas 43:78f328f311dc 170 }
sayzyas 43:78f328f311dc 171 if (hub_in_use[k] == true){
sayzyas 43:78f328f311dc 172 USB_INFO("XX2");
sayzyas 43:78f328f311dc 173 break;
sayzyas 43:78f328f311dc 174 }
sayzyas 43:78f328f311dc 175 }
sayzyas 43:78f328f311dc 176 }
sayzyas 43:78f328f311dc 177
sayzyas 43:78f328f311dc 178 if (k == MAX_HUB_NB) {
sayzyas 43:78f328f311dc 179 USB_ERR("Too many hubs connected!!\r\n");
sayzyas 43:78f328f311dc 180 too_many_hub = true;
sayzyas 43:78f328f311dc 181 }
sayzyas 43:78f328f311dc 182 }
sayzyas 43:78f328f311dc 183 else{
sayzyas 43:78f328f311dc 184 USB_INFO("XX3");
sayzyas 43:78f328f311dc 185 }
sayzyas 43:78f328f311dc 186
sayzyas 43:78f328f311dc 187 if (usb_msg->hub_parent){
sayzyas 43:78f328f311dc 188 USB_INFO("XX31");
sayzyas 43:78f328f311dc 189 ((USBHostHub *)(usb_msg->hub_parent))->deviceConnected(&devices[i]);
sayzyas 43:78f328f311dc 190 }
sayzyas 43:78f328f311dc 191 else{
sayzyas 43:78f328f311dc 192 USB_INFO("XX4");
sayzyas 43:78f328f311dc 193 }
sayzyas 43:78f328f311dc 194 #endif
sayzyas 43:78f328f311dc 195
sayzyas 43:78f328f311dc 196 if ((i < MAX_DEVICE_CONNECTED) && !too_many_hub) {
sayzyas 43:78f328f311dc 197 deviceInUse[i] = true;
sayzyas 43:78f328f311dc 198 USB_INFO("XX5");
sayzyas 43:78f328f311dc 199 }
sayzyas 43:78f328f311dc 200 else{
sayzyas 43:78f328f311dc 201 deviceInUse[i] = true;
sayzyas 43:78f328f311dc 202 }
sayzyas 43:78f328f311dc 203 } while(0);
sayzyas 43:78f328f311dc 204
sayzyas 43:78f328f311dc 205 break;
sayzyas 43:78f328f311dc 206
sayzyas 43:78f328f311dc 207 // a device has been disconnected
sayzyas 43:78f328f311dc 208 case DEVICE_DISCONNECTED_EVENT:
sayzyas 43:78f328f311dc 209
sayzyas 43:78f328f311dc 210 do
sayzyas 43:78f328f311dc 211 {
sayzyas 43:78f328f311dc 212 Lock lock(this);
sayzyas 43:78f328f311dc 213
sayzyas 43:78f328f311dc 214 controlListState = disableList(CONTROL_ENDPOINT);
sayzyas 43:78f328f311dc 215 bulkListState = disableList(BULK_ENDPOINT);
sayzyas 43:78f328f311dc 216 interruptListState = disableList(INTERRUPT_ENDPOINT);
sayzyas 43:78f328f311dc 217
sayzyas 43:78f328f311dc 218 idx = findDevice(usb_msg->hub, usb_msg->port, (USBHostHub *)(usb_msg->hub_parent));
sayzyas 43:78f328f311dc 219 if (idx != -1) {
sayzyas 43:78f328f311dc 220 freeDevice((USBDeviceConnected*)&devices[idx]);
sayzyas 43:78f328f311dc 221 }
sayzyas 43:78f328f311dc 222
sayzyas 43:78f328f311dc 223 if (controlListState) enableList(CONTROL_ENDPOINT);
sayzyas 43:78f328f311dc 224 if (bulkListState) enableList(BULK_ENDPOINT);
sayzyas 43:78f328f311dc 225 if (interruptListState) enableList(INTERRUPT_ENDPOINT);
sayzyas 43:78f328f311dc 226
sayzyas 43:78f328f311dc 227 } while(0);
sayzyas 43:78f328f311dc 228
sayzyas 43:78f328f311dc 229 break;
sayzyas 43:78f328f311dc 230
sayzyas 43:78f328f311dc 231 // a td has been processed
sayzyas 43:78f328f311dc 232 // call callback on the ed associated to the td
sayzyas 43:78f328f311dc 233 // we are not in ISR -> users can use printf in their callback method
sayzyas 43:78f328f311dc 234 case TD_PROCESSED_EVENT:
sayzyas 43:78f328f311dc 235 ep = (USBEndpoint *) ((HCTD *)usb_msg->td_addr)->ep;
sayzyas 43:78f328f311dc 236 if (usb_msg->td_state == USB_TYPE_IDLE) {
sayzyas 43:78f328f311dc 237 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()));
sayzyas 43:78f328f311dc 238
sayzyas 43:78f328f311dc 239 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 240 if (ep->getDir() == IN) {
sayzyas 43:78f328f311dc 241 buf_transfer = ep->getBufStart();
sayzyas 43:78f328f311dc 242 printf("READ SUCCESS [%d bytes transferred - td: 0x%08X] on ep: [%p - addr: %02X]: ", ep->getLengthTransferred(), usb_msg->td_addr, ep, ep->getAddress());
sayzyas 43:78f328f311dc 243 for (int i = 0; i < ep->getLengthTransferred(); i++)
sayzyas 43:78f328f311dc 244 printf("%02X ", buf_transfer[i]);
sayzyas 43:78f328f311dc 245 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 246 }
sayzyas 43:78f328f311dc 247 #endif
sayzyas 43:78f328f311dc 248 ep->call();
sayzyas 43:78f328f311dc 249 } else {
sayzyas 43:78f328f311dc 250 idx = findDevice(ep->dev);
sayzyas 43:78f328f311dc 251 if (idx != -1) {
sayzyas 43:78f328f311dc 252 if (deviceInUse[idx]) {
sayzyas 43:78f328f311dc 253 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()));
sayzyas 43:78f328f311dc 254 ep->setState(USB_TYPE_IDLE);
sayzyas 43:78f328f311dc 255 }
sayzyas 43:78f328f311dc 256 }
sayzyas 43:78f328f311dc 257 }
sayzyas 43:78f328f311dc 258 break;
sayzyas 43:78f328f311dc 259 }
sayzyas 43:78f328f311dc 260
sayzyas 43:78f328f311dc 261 mail_usb_event.free(usb_msg);
sayzyas 43:78f328f311dc 262 }
sayzyas 43:78f328f311dc 263 }
sayzyas 43:78f328f311dc 264 }
sayzyas 43:78f328f311dc 265
sayzyas 43:78f328f311dc 266 /* static */void USBHost::usb_process_static(void const * arg) {
sayzyas 43:78f328f311dc 267 ((USBHost *)arg)->usb_process();
sayzyas 43:78f328f311dc 268 }
sayzyas 43:78f328f311dc 269
sayzyas 43:78f328f311dc 270 USBHost::USBHost() : usbThread(USBHost::usb_process_static, (void *)this, osPriorityNormal, USB_THREAD_STACK)
sayzyas 43:78f328f311dc 271 {
sayzyas 43:78f328f311dc 272 headControlEndpoint = NULL;
sayzyas 43:78f328f311dc 273 headBulkEndpoint = NULL;
sayzyas 43:78f328f311dc 274 headInterruptEndpoint = NULL;
sayzyas 43:78f328f311dc 275 tailControlEndpoint = NULL;
sayzyas 43:78f328f311dc 276 tailBulkEndpoint = NULL;
sayzyas 43:78f328f311dc 277 tailInterruptEndpoint = NULL;
sayzyas 43:78f328f311dc 278
sayzyas 43:78f328f311dc 279 lenReportDescr = 0;
sayzyas 43:78f328f311dc 280
sayzyas 43:78f328f311dc 281 controlEndpointAllocated = false;
sayzyas 43:78f328f311dc 282
sayzyas 43:78f328f311dc 283 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
sayzyas 43:78f328f311dc 284 deviceInUse[i] = false;
sayzyas 43:78f328f311dc 285 devices[i].setAddress(i + 1);
sayzyas 43:78f328f311dc 286 deviceReset[i] = false;
sayzyas 43:78f328f311dc 287 deviceInited[i] = false;
sayzyas 43:78f328f311dc 288 for (uint8_t j = 0; j < MAX_INTF; j++)
sayzyas 43:78f328f311dc 289 deviceAttachedDriver[i][j] = false;
sayzyas 43:78f328f311dc 290 }
sayzyas 43:78f328f311dc 291
sayzyas 43:78f328f311dc 292 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 293 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
sayzyas 43:78f328f311dc 294 hubs[i].setHost(this);
sayzyas 43:78f328f311dc 295 hub_in_use[i] = false;
sayzyas 43:78f328f311dc 296 }
sayzyas 43:78f328f311dc 297 #endif
sayzyas 43:78f328f311dc 298 }
sayzyas 43:78f328f311dc 299
sayzyas 43:78f328f311dc 300 USBHost::Lock::Lock(USBHost* pHost) : m_pHost(pHost)
sayzyas 43:78f328f311dc 301 {
sayzyas 43:78f328f311dc 302 m_pHost->usb_mutex.lock();
sayzyas 43:78f328f311dc 303 }
sayzyas 43:78f328f311dc 304
sayzyas 43:78f328f311dc 305 USBHost::Lock::~Lock()
sayzyas 43:78f328f311dc 306 {
sayzyas 43:78f328f311dc 307 m_pHost->usb_mutex.unlock();
sayzyas 43:78f328f311dc 308 }
sayzyas 43:78f328f311dc 309
sayzyas 43:78f328f311dc 310 void USBHost::transferCompleted(volatile uint32_t addr)
sayzyas 43:78f328f311dc 311 {
sayzyas 43:78f328f311dc 312 uint8_t state;
sayzyas 43:78f328f311dc 313
sayzyas 43:78f328f311dc 314 if(addr == 0)
sayzyas 43:78f328f311dc 315 return;
sayzyas 43:78f328f311dc 316
sayzyas 43:78f328f311dc 317 volatile HCTD* tdList = NULL;
sayzyas 43:78f328f311dc 318
sayzyas 43:78f328f311dc 319 //First we must reverse the list order and dequeue each TD
sayzyas 43:78f328f311dc 320 do {
sayzyas 43:78f328f311dc 321 volatile HCTD* td = (volatile HCTD*)addr;
sayzyas 43:78f328f311dc 322 addr = (uint32_t)td->nextTD; //Dequeue from physical list
sayzyas 43:78f328f311dc 323 td->nextTD = tdList; //Enqueue into reversed list
sayzyas 43:78f328f311dc 324 tdList = td;
sayzyas 43:78f328f311dc 325 } while(addr);
sayzyas 43:78f328f311dc 326
sayzyas 43:78f328f311dc 327 while(tdList != NULL) {
sayzyas 43:78f328f311dc 328 volatile HCTD* td = tdList;
sayzyas 43:78f328f311dc 329 tdList = (volatile HCTD*)td->nextTD; //Dequeue element now as it could be modified below
sayzyas 43:78f328f311dc 330 if (td->ep != NULL) {
sayzyas 43:78f328f311dc 331 USBEndpoint * ep = (USBEndpoint *)(td->ep);
sayzyas 43:78f328f311dc 332
sayzyas 43:78f328f311dc 333 if (((HCTD *)td)->control >> 28) {
sayzyas 43:78f328f311dc 334 state = ((HCTD *)td)->control >> 28;
sayzyas 43:78f328f311dc 335 } else {
sayzyas 43:78f328f311dc 336 if (td->currBufPtr)
sayzyas 43:78f328f311dc 337 ep->setLengthTransferred((uint32_t)td->currBufPtr - (uint32_t)ep->getBufStart());
sayzyas 43:78f328f311dc 338 state = 16 /*USB_TYPE_IDLE*/;
sayzyas 43:78f328f311dc 339 }
sayzyas 43:78f328f311dc 340
sayzyas 43:78f328f311dc 341 ep->unqueueTransfer(td);
sayzyas 43:78f328f311dc 342
sayzyas 43:78f328f311dc 343 if (ep->getType() != CONTROL_ENDPOINT) {
sayzyas 43:78f328f311dc 344 // callback on the processed td will be called from the usb_thread (not in ISR)
sayzyas 43:78f328f311dc 345 message_t * usb_msg = mail_usb_event.alloc();
sayzyas 43:78f328f311dc 346 usb_msg->event_id = TD_PROCESSED_EVENT;
sayzyas 43:78f328f311dc 347 usb_msg->td_addr = (void *)td;
sayzyas 43:78f328f311dc 348 usb_msg->td_state = state;
sayzyas 43:78f328f311dc 349 mail_usb_event.put(usb_msg);
sayzyas 43:78f328f311dc 350 }
sayzyas 43:78f328f311dc 351 ep->setState(state);
sayzyas 43:78f328f311dc 352 ep->ep_queue.put((uint8_t*)1);
sayzyas 43:78f328f311dc 353 }
sayzyas 43:78f328f311dc 354 }
sayzyas 43:78f328f311dc 355 }
sayzyas 43:78f328f311dc 356
sayzyas 43:78f328f311dc 357 USBHost * USBHost::getHostInst()
sayzyas 43:78f328f311dc 358 {
sayzyas 43:78f328f311dc 359 if (instHost == NULL) {
sayzyas 43:78f328f311dc 360 instHost = new USBHost();
sayzyas 43:78f328f311dc 361 instHost->init();
sayzyas 43:78f328f311dc 362 }
sayzyas 43:78f328f311dc 363 return instHost;
sayzyas 43:78f328f311dc 364 }
sayzyas 43:78f328f311dc 365
sayzyas 43:78f328f311dc 366
sayzyas 43:78f328f311dc 367 /*
sayzyas 43:78f328f311dc 368 * Called when a device has been connected
sayzyas 43:78f328f311dc 369 * Called in ISR!!!! (no printf)
sayzyas 43:78f328f311dc 370 */
sayzyas 43:78f328f311dc 371 /* virtual */ void USBHost::deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent)
sayzyas 43:78f328f311dc 372 {
sayzyas 43:78f328f311dc 373 // be sure that the new device connected is not already connected...
sayzyas 43:78f328f311dc 374 int idx = findDevice(hub, port, hub_parent);
sayzyas 43:78f328f311dc 375 if (idx != -1) {
sayzyas 43:78f328f311dc 376 if (deviceInited[idx])
sayzyas 43:78f328f311dc 377 return;
sayzyas 43:78f328f311dc 378 }
sayzyas 43:78f328f311dc 379
sayzyas 43:78f328f311dc 380 message_t * usb_msg = mail_usb_event.alloc();
sayzyas 43:78f328f311dc 381 usb_msg->event_id = DEVICE_CONNECTED_EVENT;
sayzyas 43:78f328f311dc 382 usb_msg->hub = hub;
sayzyas 43:78f328f311dc 383 usb_msg->port = port;
sayzyas 43:78f328f311dc 384 usb_msg->lowSpeed = lowSpeed;
sayzyas 43:78f328f311dc 385 usb_msg->hub_parent = hub_parent;
sayzyas 43:78f328f311dc 386 mail_usb_event.put(usb_msg);
sayzyas 43:78f328f311dc 387 }
sayzyas 43:78f328f311dc 388
sayzyas 43:78f328f311dc 389 /*
sayzyas 43:78f328f311dc 390 * Called when a device has been disconnected
sayzyas 43:78f328f311dc 391 * Called in ISR!!!! (no printf)
sayzyas 43:78f328f311dc 392 */
sayzyas 43:78f328f311dc 393 /* virtual */ void USBHost::deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr)
sayzyas 43:78f328f311dc 394 {
sayzyas 43:78f328f311dc 395 // be sure that the device disconnected is connected...
sayzyas 43:78f328f311dc 396 int idx = findDevice(hub, port, hub_parent);
sayzyas 43:78f328f311dc 397 if (idx != -1) {
sayzyas 43:78f328f311dc 398 if (!deviceInUse[idx])
sayzyas 43:78f328f311dc 399 return;
sayzyas 43:78f328f311dc 400 } else {
sayzyas 43:78f328f311dc 401 return;
sayzyas 43:78f328f311dc 402 }
sayzyas 43:78f328f311dc 403
sayzyas 43:78f328f311dc 404 message_t * usb_msg = mail_usb_event.alloc();
sayzyas 43:78f328f311dc 405 usb_msg->event_id = DEVICE_DISCONNECTED_EVENT;
sayzyas 43:78f328f311dc 406 usb_msg->hub = hub;
sayzyas 43:78f328f311dc 407 usb_msg->port = port;
sayzyas 43:78f328f311dc 408 usb_msg->hub_parent = hub_parent;
sayzyas 43:78f328f311dc 409 mail_usb_event.put(usb_msg);
sayzyas 43:78f328f311dc 410 }
sayzyas 43:78f328f311dc 411
sayzyas 43:78f328f311dc 412 void USBHost::freeDevice(USBDeviceConnected * dev)
sayzyas 43:78f328f311dc 413 {
sayzyas 43:78f328f311dc 414 USBEndpoint * ep = NULL;
sayzyas 43:78f328f311dc 415 HCED * ed = NULL;
sayzyas 43:78f328f311dc 416
sayzyas 43:78f328f311dc 417 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 418 if (dev->getClass() == HUB_CLASS) {
sayzyas 43:78f328f311dc 419 if (dev->hub == NULL) {
sayzyas 43:78f328f311dc 420 USB_ERR("HUB NULL!!!!!\r\n");
sayzyas 43:78f328f311dc 421 } else {
sayzyas 43:78f328f311dc 422 dev->hub->hubDisconnected();
sayzyas 43:78f328f311dc 423 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
sayzyas 43:78f328f311dc 424 if (dev->hub == &hubs[i]) {
sayzyas 43:78f328f311dc 425 hub_in_use[i] = false;
sayzyas 43:78f328f311dc 426 break;
sayzyas 43:78f328f311dc 427 }
sayzyas 43:78f328f311dc 428 }
sayzyas 43:78f328f311dc 429 }
sayzyas 43:78f328f311dc 430 }
sayzyas 43:78f328f311dc 431
sayzyas 43:78f328f311dc 432 // notify hub parent that this device has been disconnected
sayzyas 43:78f328f311dc 433 if (dev->getHubParent())
sayzyas 43:78f328f311dc 434 dev->getHubParent()->deviceDisconnected(dev);
sayzyas 43:78f328f311dc 435
sayzyas 43:78f328f311dc 436 #endif
sayzyas 43:78f328f311dc 437
sayzyas 43:78f328f311dc 438 int idx = findDevice(dev);
sayzyas 43:78f328f311dc 439 if (idx != -1) {
sayzyas 43:78f328f311dc 440 deviceInUse[idx] = false;
sayzyas 43:78f328f311dc 441 deviceReset[idx] = false;
sayzyas 43:78f328f311dc 442
sayzyas 43:78f328f311dc 443 for (uint8_t j = 0; j < MAX_INTF; j++) {
sayzyas 43:78f328f311dc 444 deviceAttachedDriver[idx][j] = false;
sayzyas 43:78f328f311dc 445 if (dev->getInterface(j) != NULL) {
sayzyas 43:78f328f311dc 446 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));
sayzyas 43:78f328f311dc 447 for (int i = 0; i < dev->getInterface(j)->nb_endpoint; i++) {
sayzyas 43:78f328f311dc 448 if ((ep = dev->getEndpoint(j, i)) != NULL) {
sayzyas 43:78f328f311dc 449 ed = (HCED *)ep->getHCED();
sayzyas 43:78f328f311dc 450 ed->control |= (1 << 14); //sKip bit
sayzyas 43:78f328f311dc 451 unqueueEndpoint(ep);
sayzyas 43:78f328f311dc 452
sayzyas 43:78f328f311dc 453 freeTD((volatile uint8_t*)ep->getTDList()[0]);
sayzyas 43:78f328f311dc 454 freeTD((volatile uint8_t*)ep->getTDList()[1]);
sayzyas 43:78f328f311dc 455
sayzyas 43:78f328f311dc 456 freeED((uint8_t *)ep->getHCED());
sayzyas 43:78f328f311dc 457 }
sayzyas 43:78f328f311dc 458 printList(BULK_ENDPOINT);
sayzyas 43:78f328f311dc 459 printList(INTERRUPT_ENDPOINT);
sayzyas 43:78f328f311dc 460 }
sayzyas 43:78f328f311dc 461 USB_INFO("Device disconnected [%p - %s - hub: %d - port: %d]", dev, dev->getName(j), dev->getHub(), dev->getPort());
sayzyas 43:78f328f311dc 462 }
sayzyas 43:78f328f311dc 463 }
sayzyas 43:78f328f311dc 464 dev->disconnect();
sayzyas 43:78f328f311dc 465 }
sayzyas 43:78f328f311dc 466 }
sayzyas 43:78f328f311dc 467
sayzyas 43:78f328f311dc 468
sayzyas 43:78f328f311dc 469 void USBHost::unqueueEndpoint(USBEndpoint * ep)
sayzyas 43:78f328f311dc 470 {
sayzyas 43:78f328f311dc 471 USBEndpoint * prec = NULL;
sayzyas 43:78f328f311dc 472 USBEndpoint * current = NULL;
sayzyas 43:78f328f311dc 473
sayzyas 43:78f328f311dc 474 for (int i = 0; i < 2; i++) {
sayzyas 43:78f328f311dc 475 current = (i == 0) ? (USBEndpoint*)headBulkEndpoint : (USBEndpoint*)headInterruptEndpoint;
sayzyas 43:78f328f311dc 476 prec = current;
sayzyas 43:78f328f311dc 477 while (current != NULL) {
sayzyas 43:78f328f311dc 478 if (current == ep) {
sayzyas 43:78f328f311dc 479 if (current->nextEndpoint() != NULL) {
sayzyas 43:78f328f311dc 480 prec->queueEndpoint(current->nextEndpoint());
sayzyas 43:78f328f311dc 481 if (current == headBulkEndpoint) {
sayzyas 43:78f328f311dc 482 updateBulkHeadED((uint32_t)current->nextEndpoint()->getHCED());
sayzyas 43:78f328f311dc 483 headBulkEndpoint = current->nextEndpoint();
sayzyas 43:78f328f311dc 484 } else if (current == headInterruptEndpoint) {
sayzyas 43:78f328f311dc 485 updateInterruptHeadED((uint32_t)current->nextEndpoint()->getHCED());
sayzyas 43:78f328f311dc 486 headInterruptEndpoint = current->nextEndpoint();
sayzyas 43:78f328f311dc 487 }
sayzyas 43:78f328f311dc 488 }
sayzyas 43:78f328f311dc 489 // here we are dequeuing the queue of ed
sayzyas 43:78f328f311dc 490 // we need to update the tail pointer
sayzyas 43:78f328f311dc 491 else {
sayzyas 43:78f328f311dc 492 prec->queueEndpoint(NULL);
sayzyas 43:78f328f311dc 493 if (current == headBulkEndpoint) {
sayzyas 43:78f328f311dc 494 updateBulkHeadED(0);
sayzyas 43:78f328f311dc 495 headBulkEndpoint = current->nextEndpoint();
sayzyas 43:78f328f311dc 496 } else if (current == headInterruptEndpoint) {
sayzyas 43:78f328f311dc 497 updateInterruptHeadED(0);
sayzyas 43:78f328f311dc 498 headInterruptEndpoint = current->nextEndpoint();
sayzyas 43:78f328f311dc 499 }
sayzyas 43:78f328f311dc 500
sayzyas 43:78f328f311dc 501 // modify tail
sayzyas 43:78f328f311dc 502 switch (current->getType()) {
sayzyas 43:78f328f311dc 503 case BULK_ENDPOINT:
sayzyas 43:78f328f311dc 504 tailBulkEndpoint = prec;
sayzyas 43:78f328f311dc 505 break;
sayzyas 43:78f328f311dc 506 case INTERRUPT_ENDPOINT:
sayzyas 43:78f328f311dc 507 tailInterruptEndpoint = prec;
sayzyas 43:78f328f311dc 508 break;
sayzyas 43:78f328f311dc 509 default:
sayzyas 43:78f328f311dc 510 break;
sayzyas 43:78f328f311dc 511 }
sayzyas 43:78f328f311dc 512 }
sayzyas 43:78f328f311dc 513 current->setState(USB_TYPE_FREE);
sayzyas 43:78f328f311dc 514 return;
sayzyas 43:78f328f311dc 515 }
sayzyas 43:78f328f311dc 516 prec = current;
sayzyas 43:78f328f311dc 517 current = current->nextEndpoint();
sayzyas 43:78f328f311dc 518 }
sayzyas 43:78f328f311dc 519 }
sayzyas 43:78f328f311dc 520 }
sayzyas 43:78f328f311dc 521
sayzyas 43:78f328f311dc 522
sayzyas 43:78f328f311dc 523 USBDeviceConnected * USBHost::getDevice(uint8_t index)
sayzyas 43:78f328f311dc 524 {
sayzyas 43:78f328f311dc 525 if ((index >= MAX_DEVICE_CONNECTED) || (!deviceInUse[index])) {
sayzyas 43:78f328f311dc 526 return NULL;
sayzyas 43:78f328f311dc 527 }
sayzyas 43:78f328f311dc 528 return (USBDeviceConnected*)&devices[index];
sayzyas 43:78f328f311dc 529 }
sayzyas 43:78f328f311dc 530
sayzyas 43:78f328f311dc 531 // create an USBEndpoint descriptor. the USBEndpoint is not linked
sayzyas 43:78f328f311dc 532 USBEndpoint * USBHost::newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr)
sayzyas 43:78f328f311dc 533 {
sayzyas 43:78f328f311dc 534 int i = 0;
sayzyas 43:78f328f311dc 535 HCED * ed = (HCED *)getED();
sayzyas 43:78f328f311dc 536 HCTD* td_list[2] = { (HCTD*)getTD(), (HCTD*)getTD() };
sayzyas 43:78f328f311dc 537
sayzyas 43:78f328f311dc 538 memset((void *)td_list[0], 0x00, sizeof(HCTD));
sayzyas 43:78f328f311dc 539 memset((void *)td_list[1], 0x00, sizeof(HCTD));
sayzyas 43:78f328f311dc 540
sayzyas 43:78f328f311dc 541 // search a free USBEndpoint
sayzyas 43:78f328f311dc 542 for (i = 0; i < MAX_ENDPOINT; i++) {
sayzyas 43:78f328f311dc 543 if (endpoints[i].getState() == USB_TYPE_FREE) {
sayzyas 43:78f328f311dc 544 endpoints[i].init(ed, type, dir, size, addr, td_list);
sayzyas 43:78f328f311dc 545 USB_DBG("USBEndpoint created (%p): type: %d, dir: %d, size: %d, addr: %d, state: %s", &endpoints[i], type, dir, size, addr, endpoints[i].getStateString());
sayzyas 43:78f328f311dc 546 return &endpoints[i];
sayzyas 43:78f328f311dc 547 }
sayzyas 43:78f328f311dc 548 }
sayzyas 43:78f328f311dc 549 USB_ERR("could not allocate more endpoints!!!!");
sayzyas 43:78f328f311dc 550 return NULL;
sayzyas 43:78f328f311dc 551 }
sayzyas 43:78f328f311dc 552
sayzyas 43:78f328f311dc 553
sayzyas 43:78f328f311dc 554 USB_TYPE USBHost::resetDevice(USBDeviceConnected * dev)
sayzyas 43:78f328f311dc 555 {
sayzyas 43:78f328f311dc 556 int index = findDevice(dev);
sayzyas 43:78f328f311dc 557 if (index != -1) {
sayzyas 43:78f328f311dc 558 USB_DBG("Resetting hub %d, port %d\n", dev->getHub(), dev->getPort());
sayzyas 43:78f328f311dc 559 Thread::wait(100);
sayzyas 43:78f328f311dc 560 if (dev->getHub() == 0) {
sayzyas 43:78f328f311dc 561 resetRootHub();
sayzyas 43:78f328f311dc 562 }
sayzyas 43:78f328f311dc 563 #if MAX_HUB_NB
sayzyas 43:78f328f311dc 564 else {
sayzyas 43:78f328f311dc 565 dev->getHubParent()->portReset(dev->getPort());
sayzyas 43:78f328f311dc 566 }
sayzyas 43:78f328f311dc 567 #endif
sayzyas 43:78f328f311dc 568 Thread::wait(100);
sayzyas 43:78f328f311dc 569 deviceReset[index] = true;
sayzyas 43:78f328f311dc 570 return USB_TYPE_OK;
sayzyas 43:78f328f311dc 571 }
sayzyas 43:78f328f311dc 572
sayzyas 43:78f328f311dc 573 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 574 }
sayzyas 43:78f328f311dc 575
sayzyas 43:78f328f311dc 576 // link the USBEndpoint to the linked list and attach an USBEndpoint to a device
sayzyas 43:78f328f311dc 577 bool USBHost::addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep)
sayzyas 43:78f328f311dc 578 {
sayzyas 43:78f328f311dc 579
sayzyas 43:78f328f311dc 580 if (ep == NULL) {
sayzyas 43:78f328f311dc 581 return false;
sayzyas 43:78f328f311dc 582 }
sayzyas 43:78f328f311dc 583
sayzyas 43:78f328f311dc 584 HCED * prevEd;
sayzyas 43:78f328f311dc 585
sayzyas 43:78f328f311dc 586 // set device address in the USBEndpoint descriptor
sayzyas 43:78f328f311dc 587 if (dev == NULL) {
sayzyas 43:78f328f311dc 588 ep->setDeviceAddress(0);
sayzyas 43:78f328f311dc 589 } else {
sayzyas 43:78f328f311dc 590 ep->setDeviceAddress(dev->getAddress());
sayzyas 43:78f328f311dc 591 }
sayzyas 43:78f328f311dc 592
sayzyas 43:78f328f311dc 593 if ((dev != NULL) && dev->getSpeed()) {
sayzyas 43:78f328f311dc 594 ep->setSpeed(dev->getSpeed());
sayzyas 43:78f328f311dc 595 }
sayzyas 43:78f328f311dc 596
sayzyas 43:78f328f311dc 597 ep->setIntfNb(intf_nb);
sayzyas 43:78f328f311dc 598
sayzyas 43:78f328f311dc 599 // queue the new USBEndpoint on the ED list
sayzyas 43:78f328f311dc 600 switch (ep->getType()) {
sayzyas 43:78f328f311dc 601
sayzyas 43:78f328f311dc 602 case CONTROL_ENDPOINT:
sayzyas 43:78f328f311dc 603 prevEd = ( HCED*) controlHeadED();
sayzyas 43:78f328f311dc 604 if (!prevEd) {
sayzyas 43:78f328f311dc 605 updateControlHeadED((uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 606 USB_DBG_TRANSFER("First control USBEndpoint: %08X", (uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 607 headControlEndpoint = ep;
sayzyas 43:78f328f311dc 608 tailControlEndpoint = ep;
sayzyas 43:78f328f311dc 609 return true;
sayzyas 43:78f328f311dc 610 }
sayzyas 43:78f328f311dc 611 tailControlEndpoint->queueEndpoint(ep);
sayzyas 43:78f328f311dc 612 tailControlEndpoint = ep;
sayzyas 43:78f328f311dc 613 return true;
sayzyas 43:78f328f311dc 614
sayzyas 43:78f328f311dc 615 case BULK_ENDPOINT:
sayzyas 43:78f328f311dc 616 prevEd = ( HCED*) bulkHeadED();
sayzyas 43:78f328f311dc 617 if (!prevEd) {
sayzyas 43:78f328f311dc 618 updateBulkHeadED((uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 619 USB_DBG_TRANSFER("First bulk USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 620 headBulkEndpoint = ep;
sayzyas 43:78f328f311dc 621 tailBulkEndpoint = ep;
sayzyas 43:78f328f311dc 622 break;
sayzyas 43:78f328f311dc 623 }
sayzyas 43:78f328f311dc 624 USB_DBG_TRANSFER("Queue BULK Ed %p after %p\r\n",ep->getHCED(), prevEd);
sayzyas 43:78f328f311dc 625 tailBulkEndpoint->queueEndpoint(ep);
sayzyas 43:78f328f311dc 626 tailBulkEndpoint = ep;
sayzyas 43:78f328f311dc 627 break;
sayzyas 43:78f328f311dc 628
sayzyas 43:78f328f311dc 629 case INTERRUPT_ENDPOINT:
sayzyas 43:78f328f311dc 630 prevEd = ( HCED*) interruptHeadED();
sayzyas 43:78f328f311dc 631 if (!prevEd) {
sayzyas 43:78f328f311dc 632 updateInterruptHeadED((uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 633 USB_DBG_TRANSFER("First interrupt USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
sayzyas 43:78f328f311dc 634 headInterruptEndpoint = ep;
sayzyas 43:78f328f311dc 635 tailInterruptEndpoint = ep;
sayzyas 43:78f328f311dc 636 break;
sayzyas 43:78f328f311dc 637 }
sayzyas 43:78f328f311dc 638 USB_DBG_TRANSFER("Queue INTERRUPT Ed %p after %p\r\n",ep->getHCED(), prevEd);
sayzyas 43:78f328f311dc 639 tailInterruptEndpoint->queueEndpoint(ep);
sayzyas 43:78f328f311dc 640 tailInterruptEndpoint = ep;
sayzyas 43:78f328f311dc 641 break;
sayzyas 43:78f328f311dc 642 default:
sayzyas 43:78f328f311dc 643 return false;
sayzyas 43:78f328f311dc 644 }
sayzyas 43:78f328f311dc 645
sayzyas 43:78f328f311dc 646 ep->dev = dev;
sayzyas 43:78f328f311dc 647 dev->addEndpoint(intf_nb, ep);
sayzyas 43:78f328f311dc 648
sayzyas 43:78f328f311dc 649 return true;
sayzyas 43:78f328f311dc 650 }
sayzyas 43:78f328f311dc 651
sayzyas 43:78f328f311dc 652
sayzyas 43:78f328f311dc 653 int USBHost::findDevice(USBDeviceConnected * dev)
sayzyas 43:78f328f311dc 654 {
sayzyas 43:78f328f311dc 655 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
sayzyas 43:78f328f311dc 656 if (dev == &devices[i]) {
sayzyas 43:78f328f311dc 657 return i;
sayzyas 43:78f328f311dc 658 }
sayzyas 43:78f328f311dc 659 }
sayzyas 43:78f328f311dc 660 return -1;
sayzyas 43:78f328f311dc 661 }
sayzyas 43:78f328f311dc 662
sayzyas 43:78f328f311dc 663 int USBHost::findDevice(uint8_t hub, uint8_t port, USBHostHub * hub_parent)
sayzyas 43:78f328f311dc 664 {
sayzyas 43:78f328f311dc 665 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
sayzyas 43:78f328f311dc 666 if (devices[i].getHub() == hub && devices[i].getPort() == port) {
sayzyas 43:78f328f311dc 667 if (hub_parent != NULL) {
sayzyas 43:78f328f311dc 668 if (hub_parent == devices[i].getHubParent())
sayzyas 43:78f328f311dc 669 return i;
sayzyas 43:78f328f311dc 670 } else {
sayzyas 43:78f328f311dc 671 return i;
sayzyas 43:78f328f311dc 672 }
sayzyas 43:78f328f311dc 673 }
sayzyas 43:78f328f311dc 674 }
sayzyas 43:78f328f311dc 675 return -1;
sayzyas 43:78f328f311dc 676 }
sayzyas 43:78f328f311dc 677
sayzyas 43:78f328f311dc 678 void USBHost::printList(ENDPOINT_TYPE type)
sayzyas 43:78f328f311dc 679 {
sayzyas 43:78f328f311dc 680 #if DEBUG_EP_STATE
sayzyas 43:78f328f311dc 681 volatile HCED * hced;
sayzyas 43:78f328f311dc 682 switch(type) {
sayzyas 43:78f328f311dc 683 case CONTROL_ENDPOINT:
sayzyas 43:78f328f311dc 684 hced = (HCED *)controlHeadED();
sayzyas 43:78f328f311dc 685 break;
sayzyas 43:78f328f311dc 686 case BULK_ENDPOINT:
sayzyas 43:78f328f311dc 687 hced = (HCED *)bulkHeadED();
sayzyas 43:78f328f311dc 688 break;
sayzyas 43:78f328f311dc 689 case INTERRUPT_ENDPOINT:
sayzyas 43:78f328f311dc 690 hced = (HCED *)interruptHeadED();
sayzyas 43:78f328f311dc 691 break;
sayzyas 43:78f328f311dc 692 }
sayzyas 43:78f328f311dc 693 volatile HCTD * hctd = NULL;
sayzyas 43:78f328f311dc 694 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" :
sayzyas 43:78f328f311dc 695 ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" :
sayzyas 43:78f328f311dc 696 ((type == CONTROL_ENDPOINT) ? "CONTROL" : "ISOCHRONOUS"));
sayzyas 43:78f328f311dc 697 printf("State of %s:\r\n", type_str);
sayzyas 43:78f328f311dc 698 while (hced != NULL) {
sayzyas 43:78f328f311dc 699 uint8_t dir = ((hced->control & (3 << 11)) >> 11);
sayzyas 43:78f328f311dc 700 printf("hced: %p [ADDR: %d, DIR: %s, EP_NB: 0x%X]\r\n", hced,
sayzyas 43:78f328f311dc 701 hced->control & 0x7f,
sayzyas 43:78f328f311dc 702 (dir == 1) ? "OUT" : ((dir == 0) ? "FROM_TD":"IN"),
sayzyas 43:78f328f311dc 703 (hced->control & (0xf << 7)) >> 7);
sayzyas 43:78f328f311dc 704 hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0xf));
sayzyas 43:78f328f311dc 705 while (hctd != hced->tailTD) {
sayzyas 43:78f328f311dc 706 printf("\thctd: %p [DIR: %s]\r\n", hctd, ((hctd->control & (3 << 19)) >> 19) == 1 ? "OUT" : "IN");
sayzyas 43:78f328f311dc 707 hctd = hctd->nextTD;
sayzyas 43:78f328f311dc 708 }
sayzyas 43:78f328f311dc 709 printf("\thctd: %p\r\n", hctd);
sayzyas 43:78f328f311dc 710 hced = hced->nextED;
sayzyas 43:78f328f311dc 711 }
sayzyas 43:78f328f311dc 712 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 713 #endif
sayzyas 43:78f328f311dc 714 }
sayzyas 43:78f328f311dc 715
sayzyas 43:78f328f311dc 716
sayzyas 43:78f328f311dc 717 // add a transfer on the TD linked list
sayzyas 43:78f328f311dc 718 USB_TYPE USBHost::addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len)
sayzyas 43:78f328f311dc 719 {
sayzyas 43:78f328f311dc 720 td_mutex.lock();
sayzyas 43:78f328f311dc 721
sayzyas 43:78f328f311dc 722 // allocate a TD which will be freed in TDcompletion
sayzyas 43:78f328f311dc 723 volatile HCTD * td = ed->getNextTD();
sayzyas 43:78f328f311dc 724 if (td == NULL) {
sayzyas 43:78f328f311dc 725 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 726 }
sayzyas 43:78f328f311dc 727
sayzyas 43:78f328f311dc 728 uint32_t token = (ed->isSetup() ? TD_SETUP : ( (ed->getDir() == IN) ? TD_IN : TD_OUT ));
sayzyas 43:78f328f311dc 729
sayzyas 43:78f328f311dc 730 uint32_t td_toggle;
sayzyas 43:78f328f311dc 731
sayzyas 43:78f328f311dc 732 if (ed->getType() == CONTROL_ENDPOINT) {
sayzyas 43:78f328f311dc 733 if (ed->isSetup()) {
sayzyas 43:78f328f311dc 734 td_toggle = TD_TOGGLE_0;
sayzyas 43:78f328f311dc 735 } else {
sayzyas 43:78f328f311dc 736 td_toggle = TD_TOGGLE_1;
sayzyas 43:78f328f311dc 737 }
sayzyas 43:78f328f311dc 738 } else {
sayzyas 43:78f328f311dc 739 td_toggle = 0;
sayzyas 43:78f328f311dc 740 }
sayzyas 43:78f328f311dc 741
sayzyas 43:78f328f311dc 742 td->control = (TD_ROUNDING | token | TD_DELAY_INT(0) | td_toggle | TD_CC);
sayzyas 43:78f328f311dc 743 td->currBufPtr = buf;
sayzyas 43:78f328f311dc 744 td->bufEnd = (buf + (len - 1));
sayzyas 43:78f328f311dc 745
sayzyas 43:78f328f311dc 746 ENDPOINT_TYPE type = ed->getType();
sayzyas 43:78f328f311dc 747
sayzyas 43:78f328f311dc 748 disableList(type);
sayzyas 43:78f328f311dc 749 ed->queueTransfer();
sayzyas 43:78f328f311dc 750 printList(type);
sayzyas 43:78f328f311dc 751 enableList(type);
sayzyas 43:78f328f311dc 752
sayzyas 43:78f328f311dc 753 td_mutex.unlock();
sayzyas 43:78f328f311dc 754
sayzyas 43:78f328f311dc 755 return USB_TYPE_PROCESSING;
sayzyas 43:78f328f311dc 756 }
sayzyas 43:78f328f311dc 757
sayzyas 43:78f328f311dc 758
sayzyas 43:78f328f311dc 759
sayzyas 43:78f328f311dc 760 USB_TYPE USBHost::getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_dev_descr)
sayzyas 43:78f328f311dc 761 {
sayzyas 43:78f328f311dc 762 USB_TYPE t = controlRead( dev,
sayzyas 43:78f328f311dc 763 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
sayzyas 43:78f328f311dc 764 GET_DESCRIPTOR,
sayzyas 43:78f328f311dc 765 (DEVICE_DESCRIPTOR << 8) | (0),
sayzyas 43:78f328f311dc 766 0, buf, MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf));
sayzyas 43:78f328f311dc 767 if (len_dev_descr)
sayzyas 43:78f328f311dc 768 *len_dev_descr = MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf);
sayzyas 43:78f328f311dc 769
sayzyas 43:78f328f311dc 770 return t;
sayzyas 43:78f328f311dc 771 }
sayzyas 43:78f328f311dc 772
sayzyas 43:78f328f311dc 773 USB_TYPE USBHost::getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_conf_descr)
sayzyas 43:78f328f311dc 774 {
sayzyas 43:78f328f311dc 775 USB_TYPE res;
sayzyas 43:78f328f311dc 776 uint16_t total_conf_descr_length = 0;
sayzyas 43:78f328f311dc 777
sayzyas 43:78f328f311dc 778 // fourth step: get the beginning of the configuration descriptor to have the total length of the conf descr
sayzyas 43:78f328f311dc 779 res = controlRead( dev,
sayzyas 43:78f328f311dc 780 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
sayzyas 43:78f328f311dc 781 GET_DESCRIPTOR,
sayzyas 43:78f328f311dc 782 (CONFIGURATION_DESCRIPTOR << 8) | (0),
sayzyas 43:78f328f311dc 783 0, buf, CONFIGURATION_DESCRIPTOR_LENGTH);
sayzyas 43:78f328f311dc 784
sayzyas 43:78f328f311dc 785 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 786 USB_ERR("GET CONF 1 DESCR FAILED");
sayzyas 43:78f328f311dc 787 return res;
sayzyas 43:78f328f311dc 788 }
sayzyas 43:78f328f311dc 789 total_conf_descr_length = buf[2] | (buf[3] << 8);
sayzyas 43:78f328f311dc 790 total_conf_descr_length = MIN(max_len_buf, total_conf_descr_length);
sayzyas 43:78f328f311dc 791
sayzyas 43:78f328f311dc 792 if (len_conf_descr)
sayzyas 43:78f328f311dc 793 *len_conf_descr = total_conf_descr_length;
sayzyas 43:78f328f311dc 794
sayzyas 43:78f328f311dc 795 USB_DBG("TOTAL_LENGTH: %d \t NUM_INTERF: %d", total_conf_descr_length, buf[4]);
sayzyas 43:78f328f311dc 796
sayzyas 43:78f328f311dc 797 return controlRead( dev,
sayzyas 43:78f328f311dc 798 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
sayzyas 43:78f328f311dc 799 GET_DESCRIPTOR,
sayzyas 43:78f328f311dc 800 (CONFIGURATION_DESCRIPTOR << 8) | (0),
sayzyas 43:78f328f311dc 801 0, buf, total_conf_descr_length);
sayzyas 43:78f328f311dc 802 }
sayzyas 43:78f328f311dc 803
sayzyas 43:78f328f311dc 804
sayzyas 43:78f328f311dc 805 USB_TYPE USBHost::setAddress(USBDeviceConnected * dev, uint8_t address) {
sayzyas 43:78f328f311dc 806 return controlWrite( dev,
sayzyas 43:78f328f311dc 807 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
sayzyas 43:78f328f311dc 808 SET_ADDRESS,
sayzyas 43:78f328f311dc 809 address,
sayzyas 43:78f328f311dc 810 0, NULL, 0);
sayzyas 43:78f328f311dc 811
sayzyas 43:78f328f311dc 812 }
sayzyas 43:78f328f311dc 813
sayzyas 43:78f328f311dc 814 USB_TYPE USBHost::setConfiguration(USBDeviceConnected * dev, uint8_t conf)
sayzyas 43:78f328f311dc 815 {
sayzyas 43:78f328f311dc 816 return controlWrite( dev,
sayzyas 43:78f328f311dc 817 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
sayzyas 43:78f328f311dc 818 SET_CONFIGURATION,
sayzyas 43:78f328f311dc 819 conf,
sayzyas 43:78f328f311dc 820 0, NULL, 0);
sayzyas 43:78f328f311dc 821 }
sayzyas 43:78f328f311dc 822
sayzyas 43:78f328f311dc 823 uint8_t USBHost::numberDriverAttached(USBDeviceConnected * dev) {
sayzyas 43:78f328f311dc 824 int index = findDevice(dev);
sayzyas 43:78f328f311dc 825 uint8_t cnt = 0;
sayzyas 43:78f328f311dc 826 if (index == -1)
sayzyas 43:78f328f311dc 827 return 0;
sayzyas 43:78f328f311dc 828 for (uint8_t i = 0; i < MAX_INTF; i++) {
sayzyas 43:78f328f311dc 829 if (deviceAttachedDriver[index][i])
sayzyas 43:78f328f311dc 830 cnt++;
sayzyas 43:78f328f311dc 831 }
sayzyas 43:78f328f311dc 832 return cnt;
sayzyas 43:78f328f311dc 833 }
sayzyas 43:78f328f311dc 834
sayzyas 43:78f328f311dc 835 // enumerate a device with the control USBEndpoint
sayzyas 43:78f328f311dc 836 USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)
sayzyas 43:78f328f311dc 837 {
sayzyas 43:78f328f311dc 838 uint16_t total_conf_descr_length = 0;
sayzyas 43:78f328f311dc 839 USB_TYPE res;
sayzyas 43:78f328f311dc 840
sayzyas 43:78f328f311dc 841 do
sayzyas 43:78f328f311dc 842 {
sayzyas 43:78f328f311dc 843 Lock lock(this);
sayzyas 43:78f328f311dc 844
sayzyas 43:78f328f311dc 845 // don't enumerate a device which all interfaces are registered to a specific driver
sayzyas 43:78f328f311dc 846 int index = findDevice(dev);
sayzyas 43:78f328f311dc 847
sayzyas 43:78f328f311dc 848 if (index == -1) {
sayzyas 43:78f328f311dc 849 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 850 }
sayzyas 43:78f328f311dc 851
sayzyas 43:78f328f311dc 852 uint8_t nb_intf_attached = numberDriverAttached(dev);
sayzyas 43:78f328f311dc 853 USB_DBG("dev: %p nb_intf: %d", dev, dev->getNbIntf());
sayzyas 43:78f328f311dc 854 USB_DBG("dev: %p nb_intf_attached: %d", dev, nb_intf_attached);
sayzyas 43:78f328f311dc 855 if ((nb_intf_attached != 0) && (dev->getNbIntf() == nb_intf_attached)) {
sayzyas 43:78f328f311dc 856 USB_DBG("Don't enumerate dev: %p because all intf are registered with a driver", dev);
sayzyas 43:78f328f311dc 857 return USB_TYPE_OK;
sayzyas 43:78f328f311dc 858 }
sayzyas 43:78f328f311dc 859
sayzyas 43:78f328f311dc 860 USB_DBG("Enumerate dev: %p", dev);
sayzyas 43:78f328f311dc 861
sayzyas 43:78f328f311dc 862 // third step: get the whole device descriptor to see vid, pid
sayzyas 43:78f328f311dc 863 res = getDeviceDescriptor(dev, data, DEVICE_DESCRIPTOR_LENGTH);
sayzyas 43:78f328f311dc 864
sayzyas 43:78f328f311dc 865 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 866 USB_DBG("GET DEV DESCR FAILED");
sayzyas 43:78f328f311dc 867 return res;
sayzyas 43:78f328f311dc 868 }
sayzyas 43:78f328f311dc 869
sayzyas 43:78f328f311dc 870 dev->setClass(data[4]);
sayzyas 43:78f328f311dc 871 dev->setSubClass(data[5]);
sayzyas 43:78f328f311dc 872 dev->setProtocol(data[6]);
sayzyas 43:78f328f311dc 873 dev->setVid(data[8] | (data[9] << 8));
sayzyas 43:78f328f311dc 874 dev->setPid(data[10] | (data[11] << 8));
sayzyas 43:78f328f311dc 875 USB_DBG("CLASS: %02X \t VID: %04X \t PID: %04X", data[4], data[8] | (data[9] << 8), data[10] | (data[11] << 8));
sayzyas 43:78f328f311dc 876
sayzyas 43:78f328f311dc 877 pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
sayzyas 43:78f328f311dc 878
sayzyas 43:78f328f311dc 879 res = getConfigurationDescriptor(dev, data, sizeof(data), &total_conf_descr_length);
sayzyas 43:78f328f311dc 880 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 881 return res;
sayzyas 43:78f328f311dc 882 }
sayzyas 43:78f328f311dc 883
sayzyas 43:78f328f311dc 884 #if (DEBUG > 3)
sayzyas 43:78f328f311dc 885 USB_DBG("CONFIGURATION DESCRIPTOR:\r\n");
sayzyas 43:78f328f311dc 886 for (int i = 0; i < total_conf_descr_length; i++)
sayzyas 43:78f328f311dc 887 printf("%02X ", data[i]);
sayzyas 43:78f328f311dc 888 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 889 #endif
sayzyas 43:78f328f311dc 890
sayzyas 43:78f328f311dc 891 // Parse the configuration descriptor
sayzyas 43:78f328f311dc 892 parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
sayzyas 43:78f328f311dc 893
sayzyas 43:78f328f311dc 894 // only set configuration if not enumerated before
sayzyas 43:78f328f311dc 895 if (!dev->isEnumerated()) {
sayzyas 43:78f328f311dc 896
sayzyas 43:78f328f311dc 897 USB_DBG("Set configuration 1 on dev: %p", dev);
sayzyas 43:78f328f311dc 898 // sixth step: set configuration (only 1 supported)
sayzyas 43:78f328f311dc 899 res = setConfiguration(dev, 1);
sayzyas 43:78f328f311dc 900
sayzyas 43:78f328f311dc 901 if (res != USB_TYPE_OK) {
sayzyas 43:78f328f311dc 902 USB_DBG("SET CONF FAILED");
sayzyas 43:78f328f311dc 903 return res;
sayzyas 43:78f328f311dc 904 }
sayzyas 43:78f328f311dc 905 }
sayzyas 43:78f328f311dc 906
sayzyas 43:78f328f311dc 907 dev->setEnumerated();
sayzyas 43:78f328f311dc 908
sayzyas 43:78f328f311dc 909 // Now the device is enumerated!
sayzyas 43:78f328f311dc 910 USB_DBG("dev %p is enumerated\r\n", dev);
sayzyas 43:78f328f311dc 911
sayzyas 43:78f328f311dc 912 } while(0);
sayzyas 43:78f328f311dc 913
sayzyas 43:78f328f311dc 914 // Some devices may require this delay
sayzyas 43:78f328f311dc 915 Thread::wait(100);
sayzyas 43:78f328f311dc 916
sayzyas 43:78f328f311dc 917 return USB_TYPE_OK;
sayzyas 43:78f328f311dc 918 }
sayzyas 43:78f328f311dc 919 // this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
sayzyas 43:78f328f311dc 920 void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)
sayzyas 43:78f328f311dc 921 {
sayzyas 43:78f328f311dc 922 uint32_t index = 0;
sayzyas 43:78f328f311dc 923 uint32_t len_desc = 0;
sayzyas 43:78f328f311dc 924 uint8_t id = 0;
sayzyas 43:78f328f311dc 925 int nb_endpoints_used = 0;
sayzyas 43:78f328f311dc 926 USBEndpoint * ep = NULL;
sayzyas 43:78f328f311dc 927 uint8_t intf_nb = 0;
sayzyas 43:78f328f311dc 928 bool parsing_intf = false;
sayzyas 43:78f328f311dc 929 uint8_t current_intf = 0;
sayzyas 43:78f328f311dc 930
sayzyas 43:78f328f311dc 931 while (index < len) {
sayzyas 43:78f328f311dc 932 len_desc = conf_descr[index];
sayzyas 43:78f328f311dc 933 id = conf_descr[index+1];
sayzyas 43:78f328f311dc 934 switch (id) {
sayzyas 43:78f328f311dc 935 case CONFIGURATION_DESCRIPTOR:
sayzyas 43:78f328f311dc 936 USB_DBG("dev: %p has %d intf", dev, conf_descr[4]);
sayzyas 43:78f328f311dc 937 dev->setNbIntf(conf_descr[4]);
sayzyas 43:78f328f311dc 938 break;
sayzyas 43:78f328f311dc 939 case INTERFACE_DESCRIPTOR:
sayzyas 43:78f328f311dc 940 if(pEnumerator->parseInterface(conf_descr[index + 2], conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) {
sayzyas 43:78f328f311dc 941 if (intf_nb++ <= MAX_INTF) {
sayzyas 43:78f328f311dc 942 current_intf = conf_descr[index + 2];
sayzyas 43:78f328f311dc 943 dev->addInterface(current_intf, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
sayzyas 43:78f328f311dc 944 nb_endpoints_used = 0;
sayzyas 43:78f328f311dc 945 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]);
sayzyas 43:78f328f311dc 946 } else {
sayzyas 43:78f328f311dc 947 USB_DBG("Drop intf...");
sayzyas 43:78f328f311dc 948 }
sayzyas 43:78f328f311dc 949 parsing_intf = true;
sayzyas 43:78f328f311dc 950 } else {
sayzyas 43:78f328f311dc 951 parsing_intf = false;
sayzyas 43:78f328f311dc 952 }
sayzyas 43:78f328f311dc 953 break;
sayzyas 43:78f328f311dc 954 case ENDPOINT_DESCRIPTOR:
sayzyas 43:78f328f311dc 955 if (parsing_intf && (intf_nb <= MAX_INTF) ) {
sayzyas 43:78f328f311dc 956 if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
sayzyas 43:78f328f311dc 957 if( pEnumerator->useEndpoint(current_intf, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) ) {
sayzyas 43:78f328f311dc 958 // if the USBEndpoint is isochronous -> skip it (TODO: fix this)
sayzyas 43:78f328f311dc 959 if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
sayzyas 43:78f328f311dc 960 ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
sayzyas 43:78f328f311dc 961 (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
sayzyas 43:78f328f311dc 962 conf_descr[index + 4] | (conf_descr[index + 5] << 8),
sayzyas 43:78f328f311dc 963 conf_descr[index + 2] & 0x0f);
sayzyas 43:78f328f311dc 964 USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", ep, current_intf, dev);
sayzyas 43:78f328f311dc 965 if (ep != NULL && dev != NULL) {
sayzyas 43:78f328f311dc 966 addEndpoint(dev, current_intf, ep);
sayzyas 43:78f328f311dc 967 } else {
sayzyas 43:78f328f311dc 968 USB_DBG("EP NULL");
sayzyas 43:78f328f311dc 969 }
sayzyas 43:78f328f311dc 970 nb_endpoints_used++;
sayzyas 43:78f328f311dc 971 } else {
sayzyas 43:78f328f311dc 972 USB_DBG("ISO USBEndpoint NOT SUPPORTED");
sayzyas 43:78f328f311dc 973 }
sayzyas 43:78f328f311dc 974 }
sayzyas 43:78f328f311dc 975 }
sayzyas 43:78f328f311dc 976 }
sayzyas 43:78f328f311dc 977 break;
sayzyas 43:78f328f311dc 978 case HID_DESCRIPTOR:
sayzyas 43:78f328f311dc 979 lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
sayzyas 43:78f328f311dc 980 break;
sayzyas 43:78f328f311dc 981 default:
sayzyas 43:78f328f311dc 982 break;
sayzyas 43:78f328f311dc 983 }
sayzyas 43:78f328f311dc 984 index += len_desc;
sayzyas 43:78f328f311dc 985 }
sayzyas 43:78f328f311dc 986 }
sayzyas 43:78f328f311dc 987
sayzyas 43:78f328f311dc 988
sayzyas 43:78f328f311dc 989 USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
sayzyas 43:78f328f311dc 990 {
sayzyas 43:78f328f311dc 991 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, true);
sayzyas 43:78f328f311dc 992 }
sayzyas 43:78f328f311dc 993
sayzyas 43:78f328f311dc 994 USB_TYPE USBHost::bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
sayzyas 43:78f328f311dc 995 {
sayzyas 43:78f328f311dc 996 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, false);
sayzyas 43:78f328f311dc 997 }
sayzyas 43:78f328f311dc 998
sayzyas 43:78f328f311dc 999 USB_TYPE USBHost::interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
sayzyas 43:78f328f311dc 1000 {
sayzyas 43:78f328f311dc 1001 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, true);
sayzyas 43:78f328f311dc 1002 }
sayzyas 43:78f328f311dc 1003
sayzyas 43:78f328f311dc 1004 USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
sayzyas 43:78f328f311dc 1005 {
sayzyas 43:78f328f311dc 1006 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, false);
sayzyas 43:78f328f311dc 1007 }
sayzyas 43:78f328f311dc 1008
sayzyas 43:78f328f311dc 1009 USB_TYPE USBHost::generalTransfer(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking, ENDPOINT_TYPE type, bool write) {
sayzyas 43:78f328f311dc 1010
sayzyas 43:78f328f311dc 1011 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 1012 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" : ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" : "ISOCHRONOUS");
sayzyas 43:78f328f311dc 1013 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());
sayzyas 43:78f328f311dc 1014 #endif
sayzyas 43:78f328f311dc 1015
sayzyas 43:78f328f311dc 1016 Lock lock(this);
sayzyas 43:78f328f311dc 1017
sayzyas 43:78f328f311dc 1018 USB_TYPE res;
sayzyas 43:78f328f311dc 1019 ENDPOINT_DIRECTION dir = (write) ? OUT : IN;
sayzyas 43:78f328f311dc 1020
sayzyas 43:78f328f311dc 1021 if (dev == NULL) {
sayzyas 43:78f328f311dc 1022 USB_ERR("dev NULL");
sayzyas 43:78f328f311dc 1023 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 1024 }
sayzyas 43:78f328f311dc 1025
sayzyas 43:78f328f311dc 1026 if (ep == NULL) {
sayzyas 43:78f328f311dc 1027 USB_ERR("ep NULL");
sayzyas 43:78f328f311dc 1028 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 1029 }
sayzyas 43:78f328f311dc 1030
sayzyas 43:78f328f311dc 1031 if (ep->getState() != USB_TYPE_IDLE) {
sayzyas 43:78f328f311dc 1032 USB_WARN("[ep: %p - dev: %p - %s] NOT IDLE: %s", ep, ep->dev, ep->dev->getName(ep->getIntfNb()), ep->getStateString());
sayzyas 43:78f328f311dc 1033 return ep->getState();
sayzyas 43:78f328f311dc 1034 }
sayzyas 43:78f328f311dc 1035
sayzyas 43:78f328f311dc 1036 if ((ep->getDir() != dir) || (ep->getType() != type)) {
sayzyas 43:78f328f311dc 1037 USB_ERR("[ep: %p - dev: %p] wrong dir or bad USBEndpoint type", ep, ep->dev);
sayzyas 43:78f328f311dc 1038 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 1039 }
sayzyas 43:78f328f311dc 1040
sayzyas 43:78f328f311dc 1041 if (dev->getAddress() != ep->getDeviceAddress()) {
sayzyas 43:78f328f311dc 1042 USB_ERR("[ep: %p - dev: %p] USBEndpoint addr and device addr don't match", ep, ep->dev);
sayzyas 43:78f328f311dc 1043 return USB_TYPE_ERROR;
sayzyas 43:78f328f311dc 1044 }
sayzyas 43:78f328f311dc 1045
sayzyas 43:78f328f311dc 1046 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 1047 if (write) {
sayzyas 43:78f328f311dc 1048 USB_DBG_TRANSFER("%s WRITE buffer", type_str);
sayzyas 43:78f328f311dc 1049 for (int i = 0; i < ep->getLengthTransferred(); i++)
sayzyas 43:78f328f311dc 1050 printf("%02X ", buf[i]);
sayzyas 43:78f328f311dc 1051 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 1052 }
sayzyas 43:78f328f311dc 1053 #endif
sayzyas 43:78f328f311dc 1054 addTransfer(ep, buf, len);
sayzyas 43:78f328f311dc 1055
sayzyas 43:78f328f311dc 1056 if (blocking) {
sayzyas 43:78f328f311dc 1057
sayzyas 43:78f328f311dc 1058 ep->ep_queue.get();
sayzyas 43:78f328f311dc 1059 res = ep->getState();
sayzyas 43:78f328f311dc 1060
sayzyas 43:78f328f311dc 1061 USB_DBG_TRANSFER("%s TRANSFER res: %s on ep: %p\r\n", type_str, ep->getStateString(), ep);
sayzyas 43:78f328f311dc 1062
sayzyas 43:78f328f311dc 1063 if (res != USB_TYPE_IDLE) {
sayzyas 43:78f328f311dc 1064 return res;
sayzyas 43:78f328f311dc 1065 }
sayzyas 43:78f328f311dc 1066
sayzyas 43:78f328f311dc 1067 return USB_TYPE_OK;
sayzyas 43:78f328f311dc 1068 }
sayzyas 43:78f328f311dc 1069
sayzyas 43:78f328f311dc 1070 return USB_TYPE_PROCESSING;
sayzyas 43:78f328f311dc 1071
sayzyas 43:78f328f311dc 1072 }
sayzyas 43:78f328f311dc 1073
sayzyas 43:78f328f311dc 1074
sayzyas 43:78f328f311dc 1075 USB_TYPE USBHost::controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
sayzyas 43:78f328f311dc 1076 return controlTransfer(dev, requestType, request, value, index, buf, len, false);
sayzyas 43:78f328f311dc 1077 }
sayzyas 43:78f328f311dc 1078
sayzyas 43:78f328f311dc 1079 USB_TYPE USBHost::controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
sayzyas 43:78f328f311dc 1080 return controlTransfer(dev, requestType, request, value, index, buf, len, true);
sayzyas 43:78f328f311dc 1081 }
sayzyas 43:78f328f311dc 1082
sayzyas 43:78f328f311dc 1083 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)
sayzyas 43:78f328f311dc 1084 {
sayzyas 43:78f328f311dc 1085 Lock lock(this);
sayzyas 43:78f328f311dc 1086 USB_DBG_TRANSFER("----- CONTROL %s [dev: %p - hub: %d - port: %d] ------", (write) ? "WRITE" : "READ", dev, dev->getHub(), dev->getPort());
sayzyas 43:78f328f311dc 1087
sayzyas 43:78f328f311dc 1088 int length_transfer = len;
sayzyas 43:78f328f311dc 1089 USB_TYPE res;
sayzyas 43:78f328f311dc 1090 uint32_t token;
sayzyas 43:78f328f311dc 1091
sayzyas 43:78f328f311dc 1092 control->setSpeed(dev->getSpeed());
sayzyas 43:78f328f311dc 1093 control->setSize(dev->getSizeControlEndpoint());
sayzyas 43:78f328f311dc 1094 if (dev->isActiveAddress()) {
sayzyas 43:78f328f311dc 1095 control->setDeviceAddress(dev->getAddress());
sayzyas 43:78f328f311dc 1096 } else {
sayzyas 43:78f328f311dc 1097 control->setDeviceAddress(0);
sayzyas 43:78f328f311dc 1098 }
sayzyas 43:78f328f311dc 1099
sayzyas 43:78f328f311dc 1100 USB_DBG_TRANSFER("Control transfer on device: %d\r\n", control->getDeviceAddress());
sayzyas 43:78f328f311dc 1101 fillControlBuf(requestType, request, value, index, len);
sayzyas 43:78f328f311dc 1102
sayzyas 43:78f328f311dc 1103 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 1104 USB_DBG_TRANSFER("SETUP PACKET: ");
sayzyas 43:78f328f311dc 1105 for (int i = 0; i < 8; i++)
sayzyas 43:78f328f311dc 1106 printf("%01X ", setupPacket[i]);
sayzyas 43:78f328f311dc 1107 printf("\r\n");
sayzyas 43:78f328f311dc 1108 #endif
sayzyas 43:78f328f311dc 1109
sayzyas 43:78f328f311dc 1110 control->setNextToken(TD_SETUP);
sayzyas 43:78f328f311dc 1111 addTransfer(control, (uint8_t*)setupPacket, 8);
sayzyas 43:78f328f311dc 1112
sayzyas 43:78f328f311dc 1113 control->ep_queue.get();
sayzyas 43:78f328f311dc 1114 res = control->getState();
sayzyas 43:78f328f311dc 1115
sayzyas 43:78f328f311dc 1116 USB_DBG_TRANSFER("CONTROL setup stage %s", control->getStateString());
sayzyas 43:78f328f311dc 1117
sayzyas 43:78f328f311dc 1118 if (res != USB_TYPE_IDLE) {
sayzyas 43:78f328f311dc 1119 return res;
sayzyas 43:78f328f311dc 1120 }
sayzyas 43:78f328f311dc 1121
sayzyas 43:78f328f311dc 1122 if (length_transfer) {
sayzyas 43:78f328f311dc 1123 token = (write) ? TD_OUT : TD_IN;
sayzyas 43:78f328f311dc 1124 control->setNextToken(token);
sayzyas 43:78f328f311dc 1125 addTransfer(control, (uint8_t *)buf, length_transfer);
sayzyas 43:78f328f311dc 1126
sayzyas 43:78f328f311dc 1127 control->ep_queue.get();
sayzyas 43:78f328f311dc 1128 res = control->getState();
sayzyas 43:78f328f311dc 1129
sayzyas 43:78f328f311dc 1130 #if DEBUG_TRANSFER
sayzyas 43:78f328f311dc 1131 USB_DBG_TRANSFER("CONTROL %s stage %s", (write) ? "WRITE" : "READ", control->getStateString());
sayzyas 43:78f328f311dc 1132 if (write) {
sayzyas 43:78f328f311dc 1133 USB_DBG_TRANSFER("CONTROL WRITE buffer");
sayzyas 43:78f328f311dc 1134 for (int i = 0; i < control->getLengthTransferred(); i++)
sayzyas 43:78f328f311dc 1135 printf("%02X ", buf[i]);
sayzyas 43:78f328f311dc 1136 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 1137 } else {
sayzyas 43:78f328f311dc 1138 USB_DBG_TRANSFER("CONTROL READ SUCCESS [%d bytes transferred]", control->getLengthTransferred());
sayzyas 43:78f328f311dc 1139 for (int i = 0; i < control->getLengthTransferred(); i++)
sayzyas 43:78f328f311dc 1140 printf("%02X ", buf[i]);
sayzyas 43:78f328f311dc 1141 printf("\r\n\r\n");
sayzyas 43:78f328f311dc 1142 }
sayzyas 43:78f328f311dc 1143 #endif
sayzyas 43:78f328f311dc 1144
sayzyas 43:78f328f311dc 1145 if (res != USB_TYPE_IDLE) {
sayzyas 43:78f328f311dc 1146 return res;
sayzyas 43:78f328f311dc 1147 }
sayzyas 43:78f328f311dc 1148 }
sayzyas 43:78f328f311dc 1149
sayzyas 43:78f328f311dc 1150 token = (write) ? TD_IN : TD_OUT;
sayzyas 43:78f328f311dc 1151 control->setNextToken(token);
sayzyas 43:78f328f311dc 1152 addTransfer(control, NULL, 0);
sayzyas 43:78f328f311dc 1153
sayzyas 43:78f328f311dc 1154 control->ep_queue.get();
sayzyas 43:78f328f311dc 1155 res = control->getState();
sayzyas 43:78f328f311dc 1156
sayzyas 43:78f328f311dc 1157 USB_DBG_TRANSFER("CONTROL ack stage %s", control->getStateString());
sayzyas 43:78f328f311dc 1158
sayzyas 43:78f328f311dc 1159 if (res != USB_TYPE_IDLE)
sayzyas 43:78f328f311dc 1160 return res;
sayzyas 43:78f328f311dc 1161
sayzyas 43:78f328f311dc 1162 return USB_TYPE_OK;
sayzyas 43:78f328f311dc 1163 }
sayzyas 43:78f328f311dc 1164
sayzyas 43:78f328f311dc 1165
sayzyas 43:78f328f311dc 1166 void USBHost::fillControlBuf(uint8_t requestType, uint8_t request, uint16_t value, uint16_t index, int len)
sayzyas 43:78f328f311dc 1167 {
sayzyas 43:78f328f311dc 1168 setupPacket[0] = requestType;
sayzyas 43:78f328f311dc 1169 setupPacket[1] = request;
sayzyas 43:78f328f311dc 1170 setupPacket[2] = (uint8_t) value;
sayzyas 43:78f328f311dc 1171 setupPacket[3] = (uint8_t) (value >> 8);
sayzyas 43:78f328f311dc 1172 setupPacket[4] = (uint8_t) index;
sayzyas 43:78f328f311dc 1173 setupPacket[5] = (uint8_t) (index >> 8);
sayzyas 43:78f328f311dc 1174 setupPacket[6] = (uint8_t) len;
sayzyas 43:78f328f311dc 1175 setupPacket[7] = (uint8_t) (len >> 8);
sayzyas 43:78f328f311dc 1176 }