Embedded Artists / DM_USBHost

Adaptation of the official mbed USBHost repository to work with the LPC4088 Display Module

Dependents:   DMSupport DMSupport DMSupport DMSupport

Fork of DM_USBHost by EmbeddedArtists AB

USBHost/USBHost.cpp@27:aa2fd412f1d3, 2014-12-02 (annotated)

Committer:
embeddedartists
Date:
Tue Dec 02 15:16:39 2014 +0000
Revision:
27:aa2fd412f1d3
Parent:
24:868cbfe611a7
Child:
30:ffec1f271b7c
Adaptation of the official mbed USBHost repository to work with the LPC4088 Display Module. The changes include: basic setup, move of all memory to the AHBSRAM0, switch to USB port 2, adding a memory allocator for users.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 8:93da8ea2708b 1 /* mbed USBHost Library
samux 8:93da8ea2708b 2 * Copyright (c) 2006-2013 ARM Limited
samux 8:93da8ea2708b 3 *
samux 8:93da8ea2708b 4 * Licensed under the Apache License, Version 2.0 (the "License");
samux 8:93da8ea2708b 5 * you may not use this file except in compliance with the License.
samux 8:93da8ea2708b 6 * You may obtain a copy of the License at
samux 8:93da8ea2708b 7 *
samux 8:93da8ea2708b 8 * http://www.apache.org/licenses/LICENSE-2.0
samux 8:93da8ea2708b 9 *
samux 8:93da8ea2708b 10 * Unless required by applicable law or agreed to in writing, software
samux 8:93da8ea2708b 11 * distributed under the License is distributed on an "AS IS" BASIS,
samux 8:93da8ea2708b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
samux 8:93da8ea2708b 13 * See the License for the specific language governing permissions and
samux 8:93da8ea2708b 14 * limitations under the License.
samux 8:93da8ea2708b 15 */
mbed_official 0:a554658735bf 16
mbed_official 0:a554658735bf 17
mbed_official 0:a554658735bf 18 #include "USBHost.h"
mbed_official 0:a554658735bf 19 #include "USBHostHub.h"
mbed_official 0:a554658735bf 20
mbed_official 0:a554658735bf 21 USBHost * USBHost::instHost = NULL;
mbed_official 0:a554658735bf 22
mbed_official 0:a554658735bf 23 #define DEVICE_CONNECTED_EVENT (1 << 0)
mbed_official 0:a554658735bf 24 #define DEVICE_DISCONNECTED_EVENT (1 << 1)
mbed_official 0:a554658735bf 25 #define TD_PROCESSED_EVENT (1 << 2)
mbed_official 0:a554658735bf 26
mbed_official 0:a554658735bf 27 #define MAX_TRY_ENUMERATE_HUB 3
mbed_official 0:a554658735bf 28
mbed_official 0:a554658735bf 29 #define MIN(a, b) ((a > b) ? b : a)
mbed_official 0:a554658735bf 30
mbed_official 0:a554658735bf 31 /**
mbed_official 0:a554658735bf 32 * How interrupts are processed:
mbed_official 0:a554658735bf 33 * - new device connected:
samux 8:93da8ea2708b 34 * - a message is queued in queue_usb_event with the id DEVICE_CONNECTED_EVENT
samux 8:93da8ea2708b 35 * - when the usb_thread receives the event, it:
samux 8:93da8ea2708b 36 * - resets the device
samux 8:93da8ea2708b 37 * - reads the device descriptor
samux 8:93da8ea2708b 38 * - sets the address of the device
samux 8:93da8ea2708b 39 * - if it is a hub, enumerates it
samux 8:93da8ea2708b 40 * - device disconnected:
samux 8:93da8ea2708b 41 * - a message is queued in queue_usb_event with the id DEVICE_DISCONNECTED_EVENT
samux 8:93da8ea2708b 42 * - when the usb_thread receives the event, it:
samux 8:93da8ea2708b 43 * - free the device and all its children (hub)
samux 8:93da8ea2708b 44 * - td processed
samux 8:93da8ea2708b 45 * - a message is queued in queue_usb_event with the id TD_PROCESSED_EVENT
samux 8:93da8ea2708b 46 * - when the usb_thread receives the event, it:
samux 8:93da8ea2708b 47 * - call the callback attached to the endpoint where the td is attached
mbed_official 0:a554658735bf 48 */
mbed_official 0:a554658735bf 49 void USBHost::usb_process() {
mbed_official 24:868cbfe611a7 50
mbed_official 0:a554658735bf 51 bool controlListState;
mbed_official 0:a554658735bf 52 bool bulkListState;
mbed_official 0:a554658735bf 53 bool interruptListState;
mbed_official 0:a554658735bf 54 USBEndpoint * ep;
mbed_official 0:a554658735bf 55 uint8_t i, j, res, timeout_set_addr = 10;
embeddedartists 27:aa2fd412f1d3 56 #define SAFE_USB_PROCESS_BUFF_SIZE (8)
embeddedartists 27:aa2fd412f1d3 57 uint8_t* buf = getSafeMem(SAFE_USB_PROCESS_BUFF_SIZE);
mbed_official 0:a554658735bf 58 bool too_many_hub;
mbed_official 0:a554658735bf 59 int idx;
mbed_official 0:a554658735bf 60
mbed_official 0:a554658735bf 61 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 62 uint8_t * buf_transfer;
mbed_official 0:a554658735bf 63 #endif
mbed_official 24:868cbfe611a7 64
mbed_official 0:a554658735bf 65 #if MAX_HUB_NB
mbed_official 0:a554658735bf 66 uint8_t k;
mbed_official 0:a554658735bf 67 #endif
mbed_official 24:868cbfe611a7 68
mbed_official 0:a554658735bf 69 while(1) {
samux 9:7671b6a8c363 70 osEvent evt = mail_usb_event.get();
mbed_official 24:868cbfe611a7 71
samux 9:7671b6a8c363 72 if (evt.status == osEventMail) {
mbed_official 24:868cbfe611a7 73
mbed_official 0:a554658735bf 74 message_t * usb_msg = (message_t*)evt.value.p;
mbed_official 24:868cbfe611a7 75
mbed_official 0:a554658735bf 76 switch (usb_msg->event_id) {
mbed_official 24:868cbfe611a7 77
mbed_official 0:a554658735bf 78 // a new device has been connected
mbed_official 0:a554658735bf 79 case DEVICE_CONNECTED_EVENT:
mbed_official 0:a554658735bf 80 too_many_hub = false;
mbed_official 0:a554658735bf 81 buf[4] = 0;
mbed_official 24:868cbfe611a7 82
mbed_official 23:759ec18ee1a7 83 do
mbed_official 23:759ec18ee1a7 84 {
mbed_official 23:759ec18ee1a7 85 Lock lock(this);
mbed_official 24:868cbfe611a7 86
mbed_official 23:759ec18ee1a7 87 for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 23:759ec18ee1a7 88 if (!deviceInUse[i]) {
mbed_official 23:759ec18ee1a7 89 USB_DBG_EVENT("new device connected: %p\r\n", &devices[i]);
mbed_official 23:759ec18ee1a7 90 devices[i].init(usb_msg->hub, usb_msg->port, usb_msg->lowSpeed);
mbed_official 23:759ec18ee1a7 91 deviceReset[i] = false;
mbed_official 23:759ec18ee1a7 92 deviceInited[i] = true;
mbed_official 23:759ec18ee1a7 93 break;
mbed_official 23:759ec18ee1a7 94 }
mbed_official 23:759ec18ee1a7 95 }
mbed_official 24:868cbfe611a7 96
mbed_official 23:759ec18ee1a7 97 if (i == MAX_DEVICE_CONNECTED) {
mbed_official 23:759ec18ee1a7 98 USB_ERR("Too many device connected!!\r\n");
mbed_official 23:759ec18ee1a7 99 continue;
mbed_official 23:759ec18ee1a7 100 }
mbed_official 24:868cbfe611a7 101
mbed_official 23:759ec18ee1a7 102 if (!controlEndpointAllocated) {
mbed_official 23:759ec18ee1a7 103 control = newEndpoint(CONTROL_ENDPOINT, OUT, 0x08, 0x00);
mbed_official 23:759ec18ee1a7 104 addEndpoint(NULL, 0, (USBEndpoint*)control);
mbed_official 23:759ec18ee1a7 105 controlEndpointAllocated = true;
mbed_official 23:759ec18ee1a7 106 }
mbed_official 24:868cbfe611a7 107
mbed_official 23:759ec18ee1a7 108 #if MAX_HUB_NB
mbed_official 23:759ec18ee1a7 109 if (usb_msg->hub_parent)
mbed_official 23:759ec18ee1a7 110 devices[i].setHubParent((USBHostHub *)(usb_msg->hub_parent));
mbed_official 23:759ec18ee1a7 111 #endif
mbed_official 24:868cbfe611a7 112
mbed_official 23:759ec18ee1a7 113 for (j = 0; j < timeout_set_addr; j++) {
mbed_official 24:868cbfe611a7 114
mbed_official 23:759ec18ee1a7 115 resetDevice(&devices[i]);
mbed_official 24:868cbfe611a7 116
mbed_official 23:759ec18ee1a7 117 // set size of control endpoint
mbed_official 23:759ec18ee1a7 118 devices[i].setSizeControlEndpoint(8);
mbed_official 24:868cbfe611a7 119
mbed_official 23:759ec18ee1a7 120 devices[i].activeAddress(false);
mbed_official 24:868cbfe611a7 121
mbed_official 23:759ec18ee1a7 122 // get first 8 bit of device descriptor
mbed_official 23:759ec18ee1a7 123 // and check if we deal with a hub
mbed_official 23:759ec18ee1a7 124 USB_DBG("usb_thread read device descriptor on dev: %p\r\n", &devices[i]);
embeddedartists 27:aa2fd412f1d3 125 res = getDeviceDescriptor(&devices[i], buf, SAFE_USB_PROCESS_BUFF_SIZE);
mbed_official 24:868cbfe611a7 126
mbed_official 23:759ec18ee1a7 127 if (res != USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 128 USB_ERR("usb_thread could not read dev descr");
mbed_official 23:759ec18ee1a7 129 continue;
mbed_official 23:759ec18ee1a7 130 }
mbed_official 24:868cbfe611a7 131
mbed_official 23:759ec18ee1a7 132 // set size of control endpoint
mbed_official 23:759ec18ee1a7 133 devices[i].setSizeControlEndpoint(buf[7]);
mbed_official 24:868cbfe611a7 134
mbed_official 23:759ec18ee1a7 135 // second step: set an address to the device
mbed_official 23:759ec18ee1a7 136 res = setAddress(&devices[i], devices[i].getAddress());
mbed_official 24:868cbfe611a7 137
mbed_official 23:759ec18ee1a7 138 if (res != USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 139 USB_ERR("SET ADDR FAILED");
mbed_official 23:759ec18ee1a7 140 continue;
mbed_official 23:759ec18ee1a7 141 }
mbed_official 23:759ec18ee1a7 142 devices[i].activeAddress(true);
mbed_official 23:759ec18ee1a7 143 USB_DBG("Address of %p: %d", &devices[i], devices[i].getAddress());
mbed_official 24:868cbfe611a7 144
mbed_official 23:759ec18ee1a7 145 // try to read again the device descriptor to check if the device
mbed_official 23:759ec18ee1a7 146 // answers to its new address
embeddedartists 27:aa2fd412f1d3 147 res = getDeviceDescriptor(&devices[i], buf, SAFE_USB_PROCESS_BUFF_SIZE);
mbed_official 24:868cbfe611a7 148
mbed_official 23:759ec18ee1a7 149 if (res == USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 150 break;
mbed_official 23:759ec18ee1a7 151 }
mbed_official 24:868cbfe611a7 152
mbed_official 23:759ec18ee1a7 153 Thread::wait(100);
mbed_official 23:759ec18ee1a7 154 }
mbed_official 24:868cbfe611a7 155
mbed_official 23:759ec18ee1a7 156 USB_INFO("New device connected: %p [hub: %d - port: %d]", &devices[i], usb_msg->hub, usb_msg->port);
mbed_official 24:868cbfe611a7 157
mbed_official 23:759ec18ee1a7 158 #if MAX_HUB_NB
mbed_official 23:759ec18ee1a7 159 if (buf[4] == HUB_CLASS) {
mbed_official 23:759ec18ee1a7 160 for (k = 0; k < MAX_HUB_NB; k++) {
mbed_official 23:759ec18ee1a7 161 if (hub_in_use[k] == false) {
mbed_official 23:759ec18ee1a7 162 for (uint8_t j = 0; j < MAX_TRY_ENUMERATE_HUB; j++) {
mbed_official 23:759ec18ee1a7 163 if (hubs[k].connect(&devices[i])) {
mbed_official 23:759ec18ee1a7 164 devices[i].hub = &hubs[k];
mbed_official 23:759ec18ee1a7 165 hub_in_use[k] = true;
mbed_official 23:759ec18ee1a7 166 break;
mbed_official 23:759ec18ee1a7 167 }
mbed_official 23:759ec18ee1a7 168 }
mbed_official 23:759ec18ee1a7 169 if (hub_in_use[k] == true)
mbed_official 23:759ec18ee1a7 170 break;
mbed_official 23:759ec18ee1a7 171 }
mbed_official 23:759ec18ee1a7 172 }
mbed_official 24:868cbfe611a7 173
mbed_official 23:759ec18ee1a7 174 if (k == MAX_HUB_NB) {
mbed_official 23:759ec18ee1a7 175 USB_ERR("Too many hubs connected!!\r\n");
mbed_official 23:759ec18ee1a7 176 too_many_hub = true;
mbed_official 23:759ec18ee1a7 177 }
mbed_official 23:759ec18ee1a7 178 }
mbed_official 24:868cbfe611a7 179
mbed_official 23:759ec18ee1a7 180 if (usb_msg->hub_parent)
mbed_official 23:759ec18ee1a7 181 ((USBHostHub *)(usb_msg->hub_parent))->deviceConnected(&devices[i]);
mbed_official 23:759ec18ee1a7 182 #endif
mbed_official 24:868cbfe611a7 183
mbed_official 23:759ec18ee1a7 184 if ((i < MAX_DEVICE_CONNECTED) && !too_many_hub) {
mbed_official 23:759ec18ee1a7 185 deviceInUse[i] = true;
mbed_official 23:759ec18ee1a7 186 }
mbed_official 24:868cbfe611a7 187
mbed_official 23:759ec18ee1a7 188 } while(0);
mbed_official 24:868cbfe611a7 189
mbed_official 0:a554658735bf 190 break;
mbed_official 24:868cbfe611a7 191
mbed_official 0:a554658735bf 192 // a device has been disconnected
mbed_official 0:a554658735bf 193 case DEVICE_DISCONNECTED_EVENT:
mbed_official 24:868cbfe611a7 194
mbed_official 23:759ec18ee1a7 195 do
mbed_official 23:759ec18ee1a7 196 {
mbed_official 23:759ec18ee1a7 197 Lock lock(this);
mbed_official 24:868cbfe611a7 198
mbed_official 23:759ec18ee1a7 199 controlListState = disableList(CONTROL_ENDPOINT);
mbed_official 23:759ec18ee1a7 200 bulkListState = disableList(BULK_ENDPOINT);
mbed_official 23:759ec18ee1a7 201 interruptListState = disableList(INTERRUPT_ENDPOINT);
mbed_official 24:868cbfe611a7 202
mbed_official 23:759ec18ee1a7 203 idx = findDevice(usb_msg->hub, usb_msg->port, (USBHostHub *)(usb_msg->hub_parent));
mbed_official 23:759ec18ee1a7 204 if (idx != -1) {
mbed_official 23:759ec18ee1a7 205 freeDevice((USBDeviceConnected*)&devices[idx]);
mbed_official 23:759ec18ee1a7 206 }
mbed_official 24:868cbfe611a7 207
mbed_official 23:759ec18ee1a7 208 if (controlListState) enableList(CONTROL_ENDPOINT);
mbed_official 23:759ec18ee1a7 209 if (bulkListState) enableList(BULK_ENDPOINT);
mbed_official 23:759ec18ee1a7 210 if (interruptListState) enableList(INTERRUPT_ENDPOINT);
mbed_official 24:868cbfe611a7 211
mbed_official 23:759ec18ee1a7 212 } while(0);
mbed_official 24:868cbfe611a7 213
mbed_official 0:a554658735bf 214 break;
mbed_official 24:868cbfe611a7 215
mbed_official 0:a554658735bf 216 // a td has been processed
mbed_official 0:a554658735bf 217 // call callback on the ed associated to the td
mbed_official 0:a554658735bf 218 // we are not in ISR -> users can use printf in their callback method
mbed_official 0:a554658735bf 219 case TD_PROCESSED_EVENT:
mbed_official 0:a554658735bf 220 ep = (USBEndpoint *) ((HCTD *)usb_msg->td_addr)->ep;
samux 4:b320d68e98e7 221 if (usb_msg->td_state == USB_TYPE_IDLE) {
samux 4:b320d68e98e7 222 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 223
mbed_official 0:a554658735bf 224 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 225 if (ep->getDir() == IN) {
mbed_official 0:a554658735bf 226 buf_transfer = ep->getBufStart();
embeddedartists 27:aa2fd412f1d3 227 USB_DBG_X("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 228 for (int i = 0; i < ep->getLengthTransferred(); i++)
embeddedartists 27:aa2fd412f1d3 229 USB_DBG_X("%02X ", buf_transfer[i]);
embeddedartists 27:aa2fd412f1d3 230 USB_DBG_X("\r\n\r\n");
mbed_official 0:a554658735bf 231 }
mbed_official 0:a554658735bf 232 #endif
mbed_official 0:a554658735bf 233 ep->call();
mbed_official 0:a554658735bf 234 } else {
mbed_official 0:a554658735bf 235 idx = findDevice(ep->dev);
mbed_official 0:a554658735bf 236 if (idx != -1) {
samux 4:b320d68e98e7 237 if (deviceInUse[idx]) {
samux 4:b320d68e98e7 238 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 239 ep->setState(USB_TYPE_IDLE);
samux 4:b320d68e98e7 240 }
mbed_official 0:a554658735bf 241 }
mbed_official 0:a554658735bf 242 }
mbed_official 0:a554658735bf 243 break;
mbed_official 0:a554658735bf 244 }
mbed_official 24:868cbfe611a7 245
samux 9:7671b6a8c363 246 mail_usb_event.free(usb_msg);
mbed_official 0:a554658735bf 247 }
mbed_official 0:a554658735bf 248 }
mbed_official 0:a554658735bf 249 }
mbed_official 0:a554658735bf 250
mbed_official 0:a554658735bf 251 /* static */void USBHost::usb_process_static(void const * arg) {
mbed_official 0:a554658735bf 252 ((USBHost *)arg)->usb_process();
mbed_official 0:a554658735bf 253 }
mbed_official 0:a554658735bf 254
mbed_official 0:a554658735bf 255 USBHost::USBHost() : usbThread(USBHost::usb_process_static, (void *)this, osPriorityNormal, USB_THREAD_STACK)
mbed_official 0:a554658735bf 256 {
mbed_official 0:a554658735bf 257 headControlEndpoint = NULL;
mbed_official 0:a554658735bf 258 headBulkEndpoint = NULL;
mbed_official 0:a554658735bf 259 headInterruptEndpoint = NULL;
mbed_official 0:a554658735bf 260 tailControlEndpoint = NULL;
mbed_official 0:a554658735bf 261 tailBulkEndpoint = NULL;
mbed_official 0:a554658735bf 262 tailInterruptEndpoint = NULL;
mbed_official 0:a554658735bf 263
mbed_official 0:a554658735bf 264 lenReportDescr = 0;
embeddedartists 27:aa2fd412f1d3 265
embeddedartists 27:aa2fd412f1d3 266 setupPacket = getSafeMem(SAFE_USB_HOST_SETUP_PACKET_BUFF_SIZE);
embeddedartists 27:aa2fd412f1d3 267 data = getSafeMem(SAFE_USB_HOST_DATA_BUFF_SIZE);
mbed_official 0:a554658735bf 268
mbed_official 0:a554658735bf 269 controlEndpointAllocated = false;
mbed_official 0:a554658735bf 270
mbed_official 0:a554658735bf 271 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 272 deviceInUse[i] = false;
mbed_official 0:a554658735bf 273 devices[i].setAddress(i + 1);
mbed_official 0:a554658735bf 274 deviceReset[i] = false;
samux 4:b320d68e98e7 275 deviceInited[i] = false;
samux 4:b320d68e98e7 276 for (uint8_t j = 0; j < MAX_INTF; j++)
samux 4:b320d68e98e7 277 deviceAttachedDriver[i][j] = false;
mbed_official 0:a554658735bf 278 }
mbed_official 24:868cbfe611a7 279
mbed_official 0:a554658735bf 280 #if MAX_HUB_NB
mbed_official 0:a554658735bf 281 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
mbed_official 0:a554658735bf 282 hubs[i].setHost(this);
mbed_official 0:a554658735bf 283 hub_in_use[i] = false;
mbed_official 0:a554658735bf 284 }
mbed_official 0:a554658735bf 285 #endif
mbed_official 0:a554658735bf 286 }
mbed_official 0:a554658735bf 287
mbed_official 23:759ec18ee1a7 288 USBHost::Lock::Lock(USBHost* pHost) : m_pHost(pHost)
mbed_official 23:759ec18ee1a7 289 {
mbed_official 23:759ec18ee1a7 290 m_pHost->usb_mutex.lock();
mbed_official 23:759ec18ee1a7 291 }
mbed_official 23:759ec18ee1a7 292
mbed_official 23:759ec18ee1a7 293 USBHost::Lock::~Lock()
mbed_official 23:759ec18ee1a7 294 {
mbed_official 23:759ec18ee1a7 295 m_pHost->usb_mutex.unlock();
mbed_official 23:759ec18ee1a7 296 }
mbed_official 0:a554658735bf 297
mbed_official 0:a554658735bf 298 void USBHost::transferCompleted(volatile uint32_t addr)
mbed_official 0:a554658735bf 299 {
mbed_official 0:a554658735bf 300 uint8_t state;
mbed_official 0:a554658735bf 301
mbed_official 13:b58a2204422f 302 if(addr == 0)
mbed_official 0:a554658735bf 303 return;
mbed_official 0:a554658735bf 304
mbed_official 0:a554658735bf 305 volatile HCTD* tdList = NULL;
mbed_official 0:a554658735bf 306
mbed_official 0:a554658735bf 307 //First we must reverse the list order and dequeue each TD
mbed_official 0:a554658735bf 308 do {
mbed_official 0:a554658735bf 309 volatile HCTD* td = (volatile HCTD*)addr;
samux 4:b320d68e98e7 310 addr = (uint32_t)td->nextTD; //Dequeue from physical list
samux 4:b320d68e98e7 311 td->nextTD = tdList; //Enqueue into reversed list
mbed_official 0:a554658735bf 312 tdList = td;
mbed_official 0:a554658735bf 313 } while(addr);
mbed_official 0:a554658735bf 314
mbed_official 0:a554658735bf 315 while(tdList != NULL) {
mbed_official 0:a554658735bf 316 volatile HCTD* td = tdList;
mbed_official 0:a554658735bf 317 tdList = (volatile HCTD*)td->nextTD; //Dequeue element now as it could be modified below
mbed_official 0:a554658735bf 318 if (td->ep != NULL) {
mbed_official 0:a554658735bf 319 USBEndpoint * ep = (USBEndpoint *)(td->ep);
mbed_official 24:868cbfe611a7 320
mbed_official 0:a554658735bf 321 if (((HCTD *)td)->control >> 28) {
mbed_official 0:a554658735bf 322 state = ((HCTD *)td)->control >> 28;
mbed_official 0:a554658735bf 323 } else {
mbed_official 0:a554658735bf 324 if (td->currBufPtr)
mbed_official 0:a554658735bf 325 ep->setLengthTransferred((uint32_t)td->currBufPtr - (uint32_t)ep->getBufStart());
mbed_official 0:a554658735bf 326 state = 16 /*USB_TYPE_IDLE*/;
mbed_official 0:a554658735bf 327 }
mbed_official 24:868cbfe611a7 328
mbed_official 0:a554658735bf 329 ep->unqueueTransfer(td);
mbed_official 24:868cbfe611a7 330
mbed_official 0:a554658735bf 331 if (ep->getType() != CONTROL_ENDPOINT) {
mbed_official 0:a554658735bf 332 // callback on the processed td will be called from the usb_thread (not in ISR)
samux 9:7671b6a8c363 333 message_t * usb_msg = mail_usb_event.alloc();
mbed_official 0:a554658735bf 334 usb_msg->event_id = TD_PROCESSED_EVENT;
mbed_official 0:a554658735bf 335 usb_msg->td_addr = (void *)td;
mbed_official 0:a554658735bf 336 usb_msg->td_state = state;
samux 9:7671b6a8c363 337 mail_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 338 }
samux 4:b320d68e98e7 339 ep->setState(state);
samux 9:7671b6a8c363 340 ep->ep_queue.put((uint8_t*)1);
mbed_official 0:a554658735bf 341 }
mbed_official 0:a554658735bf 342 }
mbed_official 0:a554658735bf 343 }
mbed_official 0:a554658735bf 344
mbed_official 0:a554658735bf 345 USBHost * USBHost::getHostInst()
mbed_official 0:a554658735bf 346 {
mbed_official 0:a554658735bf 347 if (instHost == NULL) {
mbed_official 0:a554658735bf 348 instHost = new USBHost();
mbed_official 0:a554658735bf 349 instHost->init();
mbed_official 0:a554658735bf 350 }
mbed_official 0:a554658735bf 351 return instHost;
mbed_official 0:a554658735bf 352 }
mbed_official 0:a554658735bf 353
mbed_official 0:a554658735bf 354
mbed_official 0:a554658735bf 355 /*
mbed_official 0:a554658735bf 356 * Called when a device has been connected
mbed_official 0:a554658735bf 357 * Called in ISR!!!! (no printf)
mbed_official 0:a554658735bf 358 */
mbed_official 0:a554658735bf 359 /* virtual */ void USBHost::deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent)
mbed_official 0:a554658735bf 360 {
mbed_official 0:a554658735bf 361 // be sure that the new device connected is not already connected...
mbed_official 0:a554658735bf 362 int idx = findDevice(hub, port, hub_parent);
mbed_official 0:a554658735bf 363 if (idx != -1) {
samux 4:b320d68e98e7 364 if (deviceInited[idx])
mbed_official 0:a554658735bf 365 return;
mbed_official 0:a554658735bf 366 }
mbed_official 24:868cbfe611a7 367
samux 9:7671b6a8c363 368 message_t * usb_msg = mail_usb_event.alloc();
mbed_official 0:a554658735bf 369 usb_msg->event_id = DEVICE_CONNECTED_EVENT;
mbed_official 0:a554658735bf 370 usb_msg->hub = hub;
mbed_official 0:a554658735bf 371 usb_msg->port = port;
mbed_official 0:a554658735bf 372 usb_msg->lowSpeed = lowSpeed;
mbed_official 0:a554658735bf 373 usb_msg->hub_parent = hub_parent;
samux 9:7671b6a8c363 374 mail_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 375 }
mbed_official 0:a554658735bf 376
mbed_official 0:a554658735bf 377 /*
mbed_official 0:a554658735bf 378 * Called when a device has been disconnected
mbed_official 0:a554658735bf 379 * Called in ISR!!!! (no printf)
mbed_official 0:a554658735bf 380 */
mbed_official 0:a554658735bf 381 /* virtual */ void USBHost::deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr)
mbed_official 0:a554658735bf 382 {
mbed_official 0:a554658735bf 383 // be sure that the device disconnected is connected...
mbed_official 0:a554658735bf 384 int idx = findDevice(hub, port, hub_parent);
mbed_official 0:a554658735bf 385 if (idx != -1) {
mbed_official 0:a554658735bf 386 if (!deviceInUse[idx])
mbed_official 0:a554658735bf 387 return;
mbed_official 0:a554658735bf 388 } else {
mbed_official 0:a554658735bf 389 return;
mbed_official 0:a554658735bf 390 }
mbed_official 24:868cbfe611a7 391
samux 9:7671b6a8c363 392 message_t * usb_msg = mail_usb_event.alloc();
mbed_official 0:a554658735bf 393 usb_msg->event_id = DEVICE_DISCONNECTED_EVENT;
mbed_official 0:a554658735bf 394 usb_msg->hub = hub;
mbed_official 0:a554658735bf 395 usb_msg->port = port;
mbed_official 0:a554658735bf 396 usb_msg->hub_parent = hub_parent;
samux 9:7671b6a8c363 397 mail_usb_event.put(usb_msg);
mbed_official 0:a554658735bf 398 }
mbed_official 0:a554658735bf 399
mbed_official 0:a554658735bf 400 void USBHost::freeDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 401 {
mbed_official 0:a554658735bf 402 USBEndpoint * ep = NULL;
mbed_official 0:a554658735bf 403 HCED * ed = NULL;
mbed_official 24:868cbfe611a7 404
mbed_official 0:a554658735bf 405 #if MAX_HUB_NB
mbed_official 0:a554658735bf 406 if (dev->getClass() == HUB_CLASS) {
mbed_official 0:a554658735bf 407 if (dev->hub == NULL) {
mbed_official 0:a554658735bf 408 USB_ERR("HUB NULL!!!!!\r\n");
mbed_official 0:a554658735bf 409 } else {
mbed_official 0:a554658735bf 410 dev->hub->hubDisconnected();
mbed_official 0:a554658735bf 411 for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
mbed_official 0:a554658735bf 412 if (dev->hub == &hubs[i]) {
mbed_official 0:a554658735bf 413 hub_in_use[i] = false;
mbed_official 0:a554658735bf 414 break;
mbed_official 0:a554658735bf 415 }
mbed_official 0:a554658735bf 416 }
mbed_official 0:a554658735bf 417 }
mbed_official 0:a554658735bf 418 }
mbed_official 24:868cbfe611a7 419
mbed_official 0:a554658735bf 420 // notify hub parent that this device has been disconnected
mbed_official 0:a554658735bf 421 if (dev->getHubParent())
mbed_official 0:a554658735bf 422 dev->getHubParent()->deviceDisconnected(dev);
mbed_official 24:868cbfe611a7 423
mbed_official 0:a554658735bf 424 #endif
mbed_official 24:868cbfe611a7 425
mbed_official 0:a554658735bf 426 int idx = findDevice(dev);
mbed_official 0:a554658735bf 427 if (idx != -1) {
mbed_official 0:a554658735bf 428 deviceInUse[idx] = false;
mbed_official 0:a554658735bf 429 deviceReset[idx] = false;
mbed_official 0:a554658735bf 430
samux 4:b320d68e98e7 431 for (uint8_t j = 0; j < MAX_INTF; j++) {
samux 4:b320d68e98e7 432 deviceAttachedDriver[idx][j] = false;
samux 4:b320d68e98e7 433 if (dev->getInterface(j) != NULL) {
samux 4:b320d68e98e7 434 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 435 for (int i = 0; i < dev->getInterface(j)->nb_endpoint; i++) {
samux 4:b320d68e98e7 436 if ((ep = dev->getEndpoint(j, i)) != NULL) {
samux 4:b320d68e98e7 437 ed = (HCED *)ep->getHCED();
samux 10:0c11cf1cc218 438 ed->control |= (1 << 14); //sKip bit
samux 4:b320d68e98e7 439 unqueueEndpoint(ep);
mbed_official 0:a554658735bf 440
samux 4:b320d68e98e7 441 freeTD((volatile uint8_t*)ep->getTDList()[0]);
samux 4:b320d68e98e7 442 freeTD((volatile uint8_t*)ep->getTDList()[1]);
mbed_official 0:a554658735bf 443
samux 4:b320d68e98e7 444 freeED((uint8_t *)ep->getHCED());
samux 4:b320d68e98e7 445 }
samux 4:b320d68e98e7 446 printList(BULK_ENDPOINT);
samux 4:b320d68e98e7 447 printList(INTERRUPT_ENDPOINT);
mbed_official 0:a554658735bf 448 }
samux 4:b320d68e98e7 449 USB_INFO("Device disconnected [%p - %s - hub: %d - port: %d]", dev, dev->getName(j), dev->getHub(), dev->getPort());
mbed_official 0:a554658735bf 450 }
mbed_official 0:a554658735bf 451 }
mbed_official 0:a554658735bf 452 dev->disconnect();
mbed_official 0:a554658735bf 453 }
mbed_official 0:a554658735bf 454 }
mbed_official 0:a554658735bf 455
mbed_official 0:a554658735bf 456
mbed_official 0:a554658735bf 457 void USBHost::unqueueEndpoint(USBEndpoint * ep)
mbed_official 0:a554658735bf 458 {
mbed_official 0:a554658735bf 459 USBEndpoint * prec = NULL;
mbed_official 0:a554658735bf 460 USBEndpoint * current = NULL;
mbed_official 0:a554658735bf 461
mbed_official 0:a554658735bf 462 for (int i = 0; i < 2; i++) {
mbed_official 0:a554658735bf 463 current = (i == 0) ? (USBEndpoint*)headBulkEndpoint : (USBEndpoint*)headInterruptEndpoint;
mbed_official 0:a554658735bf 464 prec = current;
mbed_official 0:a554658735bf 465 while (current != NULL) {
mbed_official 0:a554658735bf 466 if (current == ep) {
mbed_official 0:a554658735bf 467 if (current->nextEndpoint() != NULL) {
mbed_official 0:a554658735bf 468 prec->queueEndpoint(current->nextEndpoint());
mbed_official 0:a554658735bf 469 if (current == headBulkEndpoint) {
mbed_official 0:a554658735bf 470 updateBulkHeadED((uint32_t)current->nextEndpoint()->getHCED());
mbed_official 0:a554658735bf 471 headBulkEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 472 } else if (current == headInterruptEndpoint) {
mbed_official 0:a554658735bf 473 updateInterruptHeadED((uint32_t)current->nextEndpoint()->getHCED());
mbed_official 0:a554658735bf 474 headInterruptEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 475 }
mbed_official 0:a554658735bf 476 }
mbed_official 0:a554658735bf 477 // here we are dequeuing the queue of ed
mbed_official 0:a554658735bf 478 // we need to update the tail pointer
mbed_official 0:a554658735bf 479 else {
mbed_official 0:a554658735bf 480 prec->queueEndpoint(NULL);
mbed_official 0:a554658735bf 481 if (current == headBulkEndpoint) {
mbed_official 0:a554658735bf 482 updateBulkHeadED(0);
mbed_official 0:a554658735bf 483 headBulkEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 484 } else if (current == headInterruptEndpoint) {
mbed_official 0:a554658735bf 485 updateInterruptHeadED(0);
mbed_official 0:a554658735bf 486 headInterruptEndpoint = current->nextEndpoint();
mbed_official 0:a554658735bf 487 }
mbed_official 24:868cbfe611a7 488
mbed_official 0:a554658735bf 489 // modify tail
mbed_official 0:a554658735bf 490 switch (current->getType()) {
mbed_official 0:a554658735bf 491 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 492 tailBulkEndpoint = prec;
mbed_official 0:a554658735bf 493 break;
mbed_official 0:a554658735bf 494 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 495 tailInterruptEndpoint = prec;
mbed_official 0:a554658735bf 496 break;
mbed_official 13:b58a2204422f 497 default:
mbed_official 13:b58a2204422f 498 break;
mbed_official 0:a554658735bf 499 }
mbed_official 0:a554658735bf 500 }
mbed_official 0:a554658735bf 501 current->setState(USB_TYPE_FREE);
mbed_official 0:a554658735bf 502 return;
mbed_official 0:a554658735bf 503 }
mbed_official 0:a554658735bf 504 prec = current;
mbed_official 0:a554658735bf 505 current = current->nextEndpoint();
mbed_official 0:a554658735bf 506 }
mbed_official 0:a554658735bf 507 }
mbed_official 0:a554658735bf 508 }
mbed_official 0:a554658735bf 509
mbed_official 0:a554658735bf 510
mbed_official 0:a554658735bf 511 USBDeviceConnected * USBHost::getDevice(uint8_t index)
mbed_official 0:a554658735bf 512 {
samux 4:b320d68e98e7 513 if ((index >= MAX_DEVICE_CONNECTED) || (!deviceInUse[index])) {
mbed_official 0:a554658735bf 514 return NULL;
mbed_official 0:a554658735bf 515 }
mbed_official 0:a554658735bf 516 return (USBDeviceConnected*)&devices[index];
mbed_official 0:a554658735bf 517 }
mbed_official 0:a554658735bf 518
mbed_official 0:a554658735bf 519 // create an USBEndpoint descriptor. the USBEndpoint is not linked
mbed_official 0:a554658735bf 520 USBEndpoint * USBHost::newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr)
mbed_official 0:a554658735bf 521 {
mbed_official 0:a554658735bf 522 int i = 0;
mbed_official 0:a554658735bf 523 HCED * ed = (HCED *)getED();
mbed_official 0:a554658735bf 524 HCTD* td_list[2] = { (HCTD*)getTD(), (HCTD*)getTD() };
mbed_official 0:a554658735bf 525
mbed_official 0:a554658735bf 526 memset((void *)td_list[0], 0x00, sizeof(HCTD));
mbed_official 0:a554658735bf 527 memset((void *)td_list[1], 0x00, sizeof(HCTD));
mbed_official 0:a554658735bf 528
mbed_official 0:a554658735bf 529 // search a free USBEndpoint
mbed_official 0:a554658735bf 530 for (i = 0; i < MAX_ENDPOINT; i++) {
mbed_official 0:a554658735bf 531 if (endpoints[i].getState() == USB_TYPE_FREE) {
mbed_official 0:a554658735bf 532 endpoints[i].init(ed, type, dir, size, addr, td_list);
samux 4:b320d68e98e7 533 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 534 return &endpoints[i];
mbed_official 0:a554658735bf 535 }
mbed_official 0:a554658735bf 536 }
mbed_official 0:a554658735bf 537 USB_ERR("could not allocate more endpoints!!!!");
mbed_official 0:a554658735bf 538 return NULL;
mbed_official 0:a554658735bf 539 }
mbed_official 0:a554658735bf 540
mbed_official 0:a554658735bf 541
mbed_official 0:a554658735bf 542 USB_TYPE USBHost::resetDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 543 {
mbed_official 0:a554658735bf 544 int index = findDevice(dev);
mbed_official 0:a554658735bf 545 if (index != -1) {
mbed_official 0:a554658735bf 546 USB_DBG("Resetting hub %d, port %d\n", dev->getHub(), dev->getPort());
samux 9:7671b6a8c363 547 Thread::wait(100);
mbed_official 0:a554658735bf 548 if (dev->getHub() == 0) {
mbed_official 0:a554658735bf 549 resetRootHub();
mbed_official 0:a554658735bf 550 }
mbed_official 0:a554658735bf 551 #if MAX_HUB_NB
mbed_official 0:a554658735bf 552 else {
mbed_official 0:a554658735bf 553 dev->getHubParent()->portReset(dev->getPort());
mbed_official 0:a554658735bf 554 }
mbed_official 0:a554658735bf 555 #endif
samux 9:7671b6a8c363 556 Thread::wait(100);
mbed_official 0:a554658735bf 557 deviceReset[index] = true;
mbed_official 0:a554658735bf 558 return USB_TYPE_OK;
mbed_official 0:a554658735bf 559 }
mbed_official 24:868cbfe611a7 560
mbed_official 0:a554658735bf 561 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 562 }
mbed_official 0:a554658735bf 563
mbed_official 0:a554658735bf 564 // link the USBEndpoint to the linked list and attach an USBEndpoint to a device
mbed_official 0:a554658735bf 565 bool USBHost::addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep)
mbed_official 0:a554658735bf 566 {
mbed_official 0:a554658735bf 567
mbed_official 0:a554658735bf 568 if (ep == NULL) {
mbed_official 0:a554658735bf 569 return false;
mbed_official 0:a554658735bf 570 }
mbed_official 0:a554658735bf 571
mbed_official 0:a554658735bf 572 HCED * prevEd;
mbed_official 0:a554658735bf 573
mbed_official 0:a554658735bf 574 // set device address in the USBEndpoint descriptor
mbed_official 0:a554658735bf 575 if (dev == NULL) {
mbed_official 0:a554658735bf 576 ep->setDeviceAddress(0);
mbed_official 0:a554658735bf 577 } else {
mbed_official 0:a554658735bf 578 ep->setDeviceAddress(dev->getAddress());
mbed_official 0:a554658735bf 579 }
mbed_official 0:a554658735bf 580
mbed_official 0:a554658735bf 581 if ((dev != NULL) && dev->getSpeed()) {
mbed_official 0:a554658735bf 582 ep->setSpeed(dev->getSpeed());
mbed_official 0:a554658735bf 583 }
mbed_official 24:868cbfe611a7 584
samux 4:b320d68e98e7 585 ep->setIntfNb(intf_nb);
mbed_official 0:a554658735bf 586
mbed_official 0:a554658735bf 587 // queue the new USBEndpoint on the ED list
mbed_official 0:a554658735bf 588 switch (ep->getType()) {
mbed_official 0:a554658735bf 589
mbed_official 0:a554658735bf 590 case CONTROL_ENDPOINT:
mbed_official 0:a554658735bf 591 prevEd = ( HCED*) controlHeadED();
mbed_official 0:a554658735bf 592 if (!prevEd) {
mbed_official 0:a554658735bf 593 updateControlHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 594 USB_DBG_TRANSFER("First control USBEndpoint: %08X", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 595 headControlEndpoint = ep;
mbed_official 0:a554658735bf 596 tailControlEndpoint = ep;
mbed_official 0:a554658735bf 597 return true;
mbed_official 0:a554658735bf 598 }
mbed_official 0:a554658735bf 599 tailControlEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 600 tailControlEndpoint = ep;
mbed_official 0:a554658735bf 601 return true;
mbed_official 0:a554658735bf 602
mbed_official 0:a554658735bf 603 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 604 prevEd = ( HCED*) bulkHeadED();
mbed_official 0:a554658735bf 605 if (!prevEd) {
mbed_official 0:a554658735bf 606 updateBulkHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 607 USB_DBG_TRANSFER("First bulk USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 608 headBulkEndpoint = ep;
mbed_official 0:a554658735bf 609 tailBulkEndpoint = ep;
mbed_official 0:a554658735bf 610 break;
mbed_official 0:a554658735bf 611 }
samux 4:b320d68e98e7 612 USB_DBG_TRANSFER("Queue BULK Ed %p after %p\r\n",ep->getHCED(), prevEd);
mbed_official 0:a554658735bf 613 tailBulkEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 614 tailBulkEndpoint = ep;
mbed_official 0:a554658735bf 615 break;
mbed_official 0:a554658735bf 616
mbed_official 0:a554658735bf 617 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 618 prevEd = ( HCED*) interruptHeadED();
mbed_official 0:a554658735bf 619 if (!prevEd) {
mbed_official 0:a554658735bf 620 updateInterruptHeadED((uint32_t) ep->getHCED());
samux 4:b320d68e98e7 621 USB_DBG_TRANSFER("First interrupt USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
mbed_official 0:a554658735bf 622 headInterruptEndpoint = ep;
mbed_official 0:a554658735bf 623 tailInterruptEndpoint = ep;
mbed_official 0:a554658735bf 624 break;
mbed_official 0:a554658735bf 625 }
samux 4:b320d68e98e7 626 USB_DBG_TRANSFER("Queue INTERRUPT Ed %p after %p\r\n",ep->getHCED(), prevEd);
mbed_official 0:a554658735bf 627 tailInterruptEndpoint->queueEndpoint(ep);
mbed_official 0:a554658735bf 628 tailInterruptEndpoint = ep;
mbed_official 0:a554658735bf 629 break;
mbed_official 0:a554658735bf 630 default:
mbed_official 0:a554658735bf 631 return false;
mbed_official 0:a554658735bf 632 }
mbed_official 24:868cbfe611a7 633
mbed_official 0:a554658735bf 634 ep->dev = dev;
mbed_official 0:a554658735bf 635 dev->addEndpoint(intf_nb, ep);
mbed_official 0:a554658735bf 636
mbed_official 0:a554658735bf 637 return true;
mbed_official 0:a554658735bf 638 }
mbed_official 0:a554658735bf 639
mbed_official 0:a554658735bf 640
mbed_official 0:a554658735bf 641 int USBHost::findDevice(USBDeviceConnected * dev)
mbed_official 0:a554658735bf 642 {
mbed_official 0:a554658735bf 643 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 644 if (dev == &devices[i]) {
mbed_official 0:a554658735bf 645 return i;
mbed_official 0:a554658735bf 646 }
mbed_official 0:a554658735bf 647 }
mbed_official 0:a554658735bf 648 return -1;
mbed_official 0:a554658735bf 649 }
mbed_official 0:a554658735bf 650
mbed_official 0:a554658735bf 651 int USBHost::findDevice(uint8_t hub, uint8_t port, USBHostHub * hub_parent)
mbed_official 0:a554658735bf 652 {
mbed_official 0:a554658735bf 653 for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 654 if (devices[i].getHub() == hub && devices[i].getPort() == port) {
mbed_official 0:a554658735bf 655 if (hub_parent != NULL) {
mbed_official 0:a554658735bf 656 if (hub_parent == devices[i].getHubParent())
mbed_official 0:a554658735bf 657 return i;
mbed_official 0:a554658735bf 658 } else {
mbed_official 0:a554658735bf 659 return i;
mbed_official 0:a554658735bf 660 }
mbed_official 0:a554658735bf 661 }
mbed_official 0:a554658735bf 662 }
mbed_official 0:a554658735bf 663 return -1;
mbed_official 0:a554658735bf 664 }
mbed_official 0:a554658735bf 665
mbed_official 0:a554658735bf 666 void USBHost::printList(ENDPOINT_TYPE type)
mbed_official 0:a554658735bf 667 {
mbed_official 0:a554658735bf 668 #if DEBUG_EP_STATE
samux 4:b320d68e98e7 669 volatile HCED * hced;
mbed_official 0:a554658735bf 670 switch(type) {
mbed_official 0:a554658735bf 671 case CONTROL_ENDPOINT:
mbed_official 0:a554658735bf 672 hced = (HCED *)controlHeadED();
mbed_official 0:a554658735bf 673 break;
mbed_official 0:a554658735bf 674 case BULK_ENDPOINT:
mbed_official 0:a554658735bf 675 hced = (HCED *)bulkHeadED();
mbed_official 0:a554658735bf 676 break;
mbed_official 0:a554658735bf 677 case INTERRUPT_ENDPOINT:
mbed_official 0:a554658735bf 678 hced = (HCED *)interruptHeadED();
mbed_official 0:a554658735bf 679 break;
mbed_official 0:a554658735bf 680 }
samux 4:b320d68e98e7 681 volatile HCTD * hctd = NULL;
mbed_official 0:a554658735bf 682 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" :
mbed_official 0:a554658735bf 683 ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" :
mbed_official 0:a554658735bf 684 ((type == CONTROL_ENDPOINT) ? "CONTROL" : "ISOCHRONOUS"));
embeddedartists 27:aa2fd412f1d3 685 USB_DBG_X("State of %s:\r\n", type_str);
mbed_official 0:a554658735bf 686 while (hced != NULL) {
mbed_official 0:a554658735bf 687 uint8_t dir = ((hced->control & (3 << 11)) >> 11);
embeddedartists 27:aa2fd412f1d3 688 USB_DBG_X("hced: %p [ADDR: %d, DIR: %s, EP_NB: 0x%X]\r\n", hced,
mbed_official 0:a554658735bf 689 hced->control & 0x7f,
mbed_official 0:a554658735bf 690 (dir == 1) ? "OUT" : ((dir == 0) ? "FROM_TD":"IN"),
mbed_official 0:a554658735bf 691 (hced->control & (0xf << 7)) >> 7);
mbed_official 0:a554658735bf 692 hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0xf));
samux 4:b320d68e98e7 693 while (hctd != hced->tailTD) {
embeddedartists 27:aa2fd412f1d3 694 USB_DBG_X("\thctd: %p [DIR: %s]\r\n", hctd, ((hctd->control & (3 << 19)) >> 19) == 1 ? "OUT" : "IN");
samux 4:b320d68e98e7 695 hctd = hctd->nextTD;
mbed_official 0:a554658735bf 696 }
embeddedartists 27:aa2fd412f1d3 697 USB_DBG_X("\thctd: %p\r\n", hctd);
samux 4:b320d68e98e7 698 hced = hced->nextED;
mbed_official 0:a554658735bf 699 }
embeddedartists 27:aa2fd412f1d3 700 USB_DBG_X("\r\n\r\n");
mbed_official 0:a554658735bf 701 #endif
mbed_official 0:a554658735bf 702 }
mbed_official 0:a554658735bf 703
mbed_official 0:a554658735bf 704
mbed_official 0:a554658735bf 705 // add a transfer on the TD linked list
mbed_official 0:a554658735bf 706 USB_TYPE USBHost::addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len)
mbed_official 0:a554658735bf 707 {
embeddedartists 27:aa2fd412f1d3 708 ASSERT_MEM_REGION(buf);
embeddedartists 27:aa2fd412f1d3 709
embeddedartists 27:aa2fd412f1d3 710
samux 9:7671b6a8c363 711 td_mutex.lock();
mbed_official 0:a554658735bf 712
mbed_official 0:a554658735bf 713 // allocate a TD which will be freed in TDcompletion
mbed_official 0:a554658735bf 714 volatile HCTD * td = ed->getNextTD();
mbed_official 0:a554658735bf 715 if (td == NULL) {
mbed_official 0:a554658735bf 716 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 717 }
mbed_official 0:a554658735bf 718
mbed_official 0:a554658735bf 719 uint32_t token = (ed->isSetup() ? TD_SETUP : ( (ed->getDir() == IN) ? TD_IN : TD_OUT ));
mbed_official 0:a554658735bf 720
mbed_official 0:a554658735bf 721 uint32_t td_toggle;
mbed_official 0:a554658735bf 722
mbed_official 0:a554658735bf 723 if (ed->getType() == CONTROL_ENDPOINT) {
mbed_official 0:a554658735bf 724 if (ed->isSetup()) {
mbed_official 0:a554658735bf 725 td_toggle = TD_TOGGLE_0;
mbed_official 0:a554658735bf 726 } else {
mbed_official 0:a554658735bf 727 td_toggle = TD_TOGGLE_1;
mbed_official 0:a554658735bf 728 }
mbed_official 0:a554658735bf 729 } else {
mbed_official 0:a554658735bf 730 td_toggle = 0;
mbed_official 0:a554658735bf 731 }
mbed_official 0:a554658735bf 732
mbed_official 0:a554658735bf 733 td->control = (TD_ROUNDING | token | TD_DELAY_INT(0) | td_toggle | TD_CC);
mbed_official 0:a554658735bf 734 td->currBufPtr = buf;
mbed_official 0:a554658735bf 735 td->bufEnd = (buf + (len - 1));
mbed_official 0:a554658735bf 736
mbed_official 0:a554658735bf 737 ENDPOINT_TYPE type = ed->getType();
mbed_official 0:a554658735bf 738
mbed_official 0:a554658735bf 739 disableList(type);
mbed_official 0:a554658735bf 740 ed->queueTransfer();
mbed_official 0:a554658735bf 741 printList(type);
mbed_official 0:a554658735bf 742 enableList(type);
mbed_official 24:868cbfe611a7 743
samux 9:7671b6a8c363 744 td_mutex.unlock();
mbed_official 0:a554658735bf 745
mbed_official 0:a554658735bf 746 return USB_TYPE_PROCESSING;
mbed_official 0:a554658735bf 747 }
mbed_official 0:a554658735bf 748
mbed_official 0:a554658735bf 749
mbed_official 0:a554658735bf 750
mbed_official 0:a554658735bf 751 USB_TYPE USBHost::getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_dev_descr)
mbed_official 0:a554658735bf 752 {
mbed_official 0:a554658735bf 753 USB_TYPE t = controlRead( dev,
mbed_official 0:a554658735bf 754 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 755 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 756 (DEVICE_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 757 0, buf, MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf));
mbed_official 0:a554658735bf 758 if (len_dev_descr)
mbed_official 0:a554658735bf 759 *len_dev_descr = MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf);
mbed_official 24:868cbfe611a7 760
mbed_official 0:a554658735bf 761 return t;
mbed_official 0:a554658735bf 762 }
mbed_official 0:a554658735bf 763
mbed_official 0:a554658735bf 764 USB_TYPE USBHost::getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_conf_descr)
mbed_official 0:a554658735bf 765 {
mbed_official 0:a554658735bf 766 USB_TYPE res;
mbed_official 0:a554658735bf 767 uint16_t total_conf_descr_length = 0;
mbed_official 0:a554658735bf 768
mbed_official 0:a554658735bf 769 // fourth step: get the beginning of the configuration descriptor to have the total length of the conf descr
mbed_official 0:a554658735bf 770 res = controlRead( dev,
mbed_official 0:a554658735bf 771 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 772 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 773 (CONFIGURATION_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 774 0, buf, CONFIGURATION_DESCRIPTOR_LENGTH);
mbed_official 0:a554658735bf 775
mbed_official 0:a554658735bf 776 if (res != USB_TYPE_OK) {
mbed_official 0:a554658735bf 777 USB_ERR("GET CONF 1 DESCR FAILED");
mbed_official 0:a554658735bf 778 return res;
mbed_official 0:a554658735bf 779 }
mbed_official 0:a554658735bf 780 total_conf_descr_length = buf[2] | (buf[3] << 8);
mbed_official 0:a554658735bf 781 total_conf_descr_length = MIN(max_len_buf, total_conf_descr_length);
mbed_official 24:868cbfe611a7 782
mbed_official 0:a554658735bf 783 if (len_conf_descr)
mbed_official 0:a554658735bf 784 *len_conf_descr = total_conf_descr_length;
mbed_official 24:868cbfe611a7 785
mbed_official 0:a554658735bf 786 USB_DBG("TOTAL_LENGTH: %d \t NUM_INTERF: %d", total_conf_descr_length, buf[4]);
mbed_official 0:a554658735bf 787
mbed_official 0:a554658735bf 788 return controlRead( dev,
mbed_official 0:a554658735bf 789 USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 790 GET_DESCRIPTOR,
mbed_official 0:a554658735bf 791 (CONFIGURATION_DESCRIPTOR << 8) | (0),
mbed_official 0:a554658735bf 792 0, buf, total_conf_descr_length);
mbed_official 0:a554658735bf 793 }
mbed_official 0:a554658735bf 794
mbed_official 0:a554658735bf 795
mbed_official 0:a554658735bf 796 USB_TYPE USBHost::setAddress(USBDeviceConnected * dev, uint8_t address) {
mbed_official 0:a554658735bf 797 return controlWrite( dev,
mbed_official 0:a554658735bf 798 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 799 SET_ADDRESS,
mbed_official 0:a554658735bf 800 address,
mbed_official 0:a554658735bf 801 0, NULL, 0);
mbed_official 24:868cbfe611a7 802
mbed_official 0:a554658735bf 803 }
mbed_official 0:a554658735bf 804
mbed_official 0:a554658735bf 805 USB_TYPE USBHost::setConfiguration(USBDeviceConnected * dev, uint8_t conf)
mbed_official 0:a554658735bf 806 {
mbed_official 0:a554658735bf 807 return controlWrite( dev,
mbed_official 0:a554658735bf 808 USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
mbed_official 0:a554658735bf 809 SET_CONFIGURATION,
mbed_official 0:a554658735bf 810 conf,
mbed_official 0:a554658735bf 811 0, NULL, 0);
mbed_official 0:a554658735bf 812 }
mbed_official 0:a554658735bf 813
samux 4:b320d68e98e7 814 uint8_t USBHost::numberDriverAttached(USBDeviceConnected * dev) {
samux 4:b320d68e98e7 815 int index = findDevice(dev);
samux 4:b320d68e98e7 816 uint8_t cnt = 0;
samux 4:b320d68e98e7 817 if (index == -1)
samux 4:b320d68e98e7 818 return 0;
samux 4:b320d68e98e7 819 for (uint8_t i = 0; i < MAX_INTF; i++) {
samux 4:b320d68e98e7 820 if (deviceAttachedDriver[index][i])
samux 4:b320d68e98e7 821 cnt++;
samux 4:b320d68e98e7 822 }
samux 4:b320d68e98e7 823 return cnt;
samux 4:b320d68e98e7 824 }
mbed_official 0:a554658735bf 825
mbed_official 0:a554658735bf 826 // enumerate a device with the control USBEndpoint
mbed_official 0:a554658735bf 827 USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)
mbed_official 0:a554658735bf 828 {
mbed_official 0:a554658735bf 829 uint16_t total_conf_descr_length = 0;
mbed_official 0:a554658735bf 830 USB_TYPE res;
mbed_official 24:868cbfe611a7 831
mbed_official 23:759ec18ee1a7 832 do
mbed_official 23:759ec18ee1a7 833 {
mbed_official 23:759ec18ee1a7 834 Lock lock(this);
mbed_official 24:868cbfe611a7 835
mbed_official 23:759ec18ee1a7 836 // don't enumerate a device which all interfaces are registered to a specific driver
mbed_official 23:759ec18ee1a7 837 int index = findDevice(dev);
mbed_official 24:868cbfe611a7 838
mbed_official 23:759ec18ee1a7 839 if (index == -1) {
mbed_official 23:759ec18ee1a7 840 return USB_TYPE_ERROR;
mbed_official 23:759ec18ee1a7 841 }
mbed_official 24:868cbfe611a7 842
mbed_official 23:759ec18ee1a7 843 uint8_t nb_intf_attached = numberDriverAttached(dev);
mbed_official 23:759ec18ee1a7 844 USB_DBG("dev: %p nb_intf: %d", dev, dev->getNbIntf());
mbed_official 23:759ec18ee1a7 845 USB_DBG("dev: %p nb_intf_attached: %d", dev, nb_intf_attached);
mbed_official 23:759ec18ee1a7 846 if ((nb_intf_attached != 0) && (dev->getNbIntf() == nb_intf_attached)) {
mbed_official 23:759ec18ee1a7 847 USB_DBG("Don't enumerate dev: %p because all intf are registered with a driver", dev);
mbed_official 23:759ec18ee1a7 848 return USB_TYPE_OK;
mbed_official 23:759ec18ee1a7 849 }
mbed_official 24:868cbfe611a7 850
mbed_official 23:759ec18ee1a7 851 USB_DBG("Enumerate dev: %p", dev);
mbed_official 24:868cbfe611a7 852
mbed_official 23:759ec18ee1a7 853 // third step: get the whole device descriptor to see vid, pid
mbed_official 23:759ec18ee1a7 854 res = getDeviceDescriptor(dev, data, DEVICE_DESCRIPTOR_LENGTH);
mbed_official 0:a554658735bf 855
mbed_official 23:759ec18ee1a7 856 if (res != USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 857 USB_DBG("GET DEV DESCR FAILED");
mbed_official 23:759ec18ee1a7 858 return res;
mbed_official 23:759ec18ee1a7 859 }
mbed_official 24:868cbfe611a7 860
mbed_official 23:759ec18ee1a7 861 dev->setClass(data[4]);
mbed_official 23:759ec18ee1a7 862 dev->setSubClass(data[5]);
mbed_official 23:759ec18ee1a7 863 dev->setProtocol(data[6]);
mbed_official 23:759ec18ee1a7 864 dev->setVid(data[8] | (data[9] << 8));
mbed_official 23:759ec18ee1a7 865 dev->setPid(data[10] | (data[11] << 8));
mbed_official 23:759ec18ee1a7 866 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 867
mbed_official 23:759ec18ee1a7 868 pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
mbed_official 0:a554658735bf 869
embeddedartists 27:aa2fd412f1d3 870 res = getConfigurationDescriptor(dev, data, SAFE_USB_HOST_DATA_BUFF_SIZE/*sizeof(data)*/, &total_conf_descr_length);
mbed_official 23:759ec18ee1a7 871 if (res != USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 872 return res;
mbed_official 23:759ec18ee1a7 873 }
mbed_official 0:a554658735bf 874
mbed_official 23:759ec18ee1a7 875 #if (DEBUG > 3)
mbed_official 23:759ec18ee1a7 876 USB_DBG("CONFIGURATION DESCRIPTOR:\r\n");
mbed_official 23:759ec18ee1a7 877 for (int i = 0; i < total_conf_descr_length; i++)
embeddedartists 27:aa2fd412f1d3 878 USB_DBG_X("%02X ", data[i]);
embeddedartists 27:aa2fd412f1d3 879 USB_DBG_X("\r\n\r\n");
mbed_official 23:759ec18ee1a7 880 #endif
mbed_official 0:a554658735bf 881
mbed_official 23:759ec18ee1a7 882 // Parse the configuration descriptor
mbed_official 23:759ec18ee1a7 883 parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
mbed_official 0:a554658735bf 884
mbed_official 23:759ec18ee1a7 885 // only set configuration if not enumerated before
mbed_official 23:759ec18ee1a7 886 if (!dev->isEnumerated()) {
mbed_official 24:868cbfe611a7 887
mbed_official 23:759ec18ee1a7 888 USB_DBG("Set configuration 1 on dev: %p", dev);
mbed_official 23:759ec18ee1a7 889 // sixth step: set configuration (only 1 supported)
mbed_official 23:759ec18ee1a7 890 res = setConfiguration(dev, 1);
mbed_official 0:a554658735bf 891
mbed_official 23:759ec18ee1a7 892 if (res != USB_TYPE_OK) {
mbed_official 23:759ec18ee1a7 893 USB_DBG("SET CONF FAILED");
mbed_official 23:759ec18ee1a7 894 return res;
mbed_official 23:759ec18ee1a7 895 }
mbed_official 23:759ec18ee1a7 896 }
mbed_official 24:868cbfe611a7 897
mbed_official 23:759ec18ee1a7 898 dev->setEnumerated();
mbed_official 0:a554658735bf 899
mbed_official 23:759ec18ee1a7 900 // Now the device is enumerated!
mbed_official 23:759ec18ee1a7 901 USB_DBG("dev %p is enumerated\r\n", dev);
mbed_official 24:868cbfe611a7 902
mbed_official 23:759ec18ee1a7 903 } while(0);
mbed_official 0:a554658735bf 904
mbed_official 0:a554658735bf 905 // Some devices may require this delay
mbed_official 23:759ec18ee1a7 906 Thread::wait(100);
mbed_official 0:a554658735bf 907
mbed_official 0:a554658735bf 908 return USB_TYPE_OK;
mbed_official 0:a554658735bf 909 }
mbed_official 0:a554658735bf 910 // this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
mbed_official 0:a554658735bf 911 void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)
mbed_official 0:a554658735bf 912 {
mbed_official 0:a554658735bf 913 uint32_t index = 0;
mbed_official 0:a554658735bf 914 uint32_t len_desc = 0;
mbed_official 0:a554658735bf 915 uint8_t id = 0;
mbed_official 0:a554658735bf 916 int nb_endpoints_used = 0;
mbed_official 0:a554658735bf 917 USBEndpoint * ep = NULL;
mbed_official 0:a554658735bf 918 uint8_t intf_nb = 0;
mbed_official 0:a554658735bf 919 bool parsing_intf = false;
samux 4:b320d68e98e7 920 uint8_t current_intf = 0;
mbed_official 0:a554658735bf 921
mbed_official 0:a554658735bf 922 while (index < len) {
mbed_official 0:a554658735bf 923 len_desc = conf_descr[index];
mbed_official 0:a554658735bf 924 id = conf_descr[index+1];
mbed_official 0:a554658735bf 925 switch (id) {
mbed_official 0:a554658735bf 926 case CONFIGURATION_DESCRIPTOR:
samux 4:b320d68e98e7 927 USB_DBG("dev: %p has %d intf", dev, conf_descr[4]);
samux 4:b320d68e98e7 928 dev->setNbIntf(conf_descr[4]);
mbed_official 0:a554658735bf 929 break;
mbed_official 0:a554658735bf 930 case INTERFACE_DESCRIPTOR:
samux 4:b320d68e98e7 931 if(pEnumerator->parseInterface(conf_descr[index + 2], conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) {
mbed_official 0:a554658735bf 932 if (intf_nb++ <= MAX_INTF) {
samux 4:b320d68e98e7 933 current_intf = conf_descr[index + 2];
samux 4:b320d68e98e7 934 dev->addInterface(current_intf, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
mbed_official 0:a554658735bf 935 nb_endpoints_used = 0;
samux 4:b320d68e98e7 936 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 937 } else {
mbed_official 0:a554658735bf 938 USB_DBG("Drop intf...");
mbed_official 0:a554658735bf 939 }
mbed_official 0:a554658735bf 940 parsing_intf = true;
mbed_official 0:a554658735bf 941 } else {
mbed_official 0:a554658735bf 942 parsing_intf = false;
mbed_official 0:a554658735bf 943 }
mbed_official 0:a554658735bf 944 break;
mbed_official 0:a554658735bf 945 case ENDPOINT_DESCRIPTOR:
mbed_official 0:a554658735bf 946 if (parsing_intf && (intf_nb <= MAX_INTF) ) {
mbed_official 0:a554658735bf 947 if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
samux 4:b320d68e98e7 948 if( pEnumerator->useEndpoint(current_intf, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) ) {
mbed_official 0:a554658735bf 949 // if the USBEndpoint is isochronous -> skip it (TODO: fix this)
mbed_official 0:a554658735bf 950 if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
mbed_official 0:a554658735bf 951 ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
mbed_official 0:a554658735bf 952 (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
mbed_official 0:a554658735bf 953 conf_descr[index + 4] | (conf_descr[index + 5] << 8),
mbed_official 0:a554658735bf 954 conf_descr[index + 2] & 0x0f);
samux 4:b320d68e98e7 955 USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", ep, current_intf, dev);
mbed_official 0:a554658735bf 956 if (ep != NULL && dev != NULL) {
samux 4:b320d68e98e7 957 addEndpoint(dev, current_intf, ep);
mbed_official 0:a554658735bf 958 } else {
mbed_official 0:a554658735bf 959 USB_DBG("EP NULL");
mbed_official 0:a554658735bf 960 }
mbed_official 0:a554658735bf 961 nb_endpoints_used++;
mbed_official 0:a554658735bf 962 } else {
mbed_official 0:a554658735bf 963 USB_DBG("ISO USBEndpoint NOT SUPPORTED");
mbed_official 0:a554658735bf 964 }
mbed_official 0:a554658735bf 965 }
mbed_official 0:a554658735bf 966 }
mbed_official 0:a554658735bf 967 }
mbed_official 0:a554658735bf 968 break;
mbed_official 0:a554658735bf 969 case HID_DESCRIPTOR:
mbed_official 0:a554658735bf 970 lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
mbed_official 0:a554658735bf 971 break;
mbed_official 0:a554658735bf 972 default:
mbed_official 0:a554658735bf 973 break;
mbed_official 0:a554658735bf 974 }
mbed_official 0:a554658735bf 975 index += len_desc;
mbed_official 0:a554658735bf 976 }
mbed_official 0:a554658735bf 977 }
mbed_official 0:a554658735bf 978
mbed_official 0:a554658735bf 979
mbed_official 0:a554658735bf 980 USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 981 {
mbed_official 0:a554658735bf 982 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, true);
mbed_official 0:a554658735bf 983 }
mbed_official 0:a554658735bf 984
mbed_official 0:a554658735bf 985 USB_TYPE USBHost::bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 986 {
mbed_official 0:a554658735bf 987 return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, false);
mbed_official 0:a554658735bf 988 }
mbed_official 0:a554658735bf 989
mbed_official 0:a554658735bf 990 USB_TYPE USBHost::interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 991 {
mbed_official 0:a554658735bf 992 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, true);
mbed_official 0:a554658735bf 993 }
mbed_official 0:a554658735bf 994
mbed_official 0:a554658735bf 995 USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
mbed_official 0:a554658735bf 996 {
mbed_official 0:a554658735bf 997 return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, false);
mbed_official 0:a554658735bf 998 }
mbed_official 0:a554658735bf 999
embeddedartists 27:aa2fd412f1d3 1000 USB_TYPE USBHost::generalTransfer(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking, ENDPOINT_TYPE type, bool write)
embeddedartists 27:aa2fd412f1d3 1001 {
embeddedartists 27:aa2fd412f1d3 1002
mbed_official 0:a554658735bf 1003 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1004 const char * type_str = (type == BULK_ENDPOINT) ? "BULK" : ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" : "ISOCHRONOUS");
samux 4:b320d68e98e7 1005 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 1006 #endif
mbed_official 24:868cbfe611a7 1007
mbed_official 23:759ec18ee1a7 1008 Lock lock(this);
mbed_official 24:868cbfe611a7 1009
mbed_official 0:a554658735bf 1010 USB_TYPE res;
mbed_official 0:a554658735bf 1011 ENDPOINT_DIRECTION dir = (write) ? OUT : IN;
mbed_official 24:868cbfe611a7 1012
mbed_official 0:a554658735bf 1013 if (dev == NULL) {
mbed_official 0:a554658735bf 1014 USB_ERR("dev NULL");
mbed_official 0:a554658735bf 1015 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1016 }
mbed_official 0:a554658735bf 1017
mbed_official 0:a554658735bf 1018 if (ep == NULL) {
mbed_official 0:a554658735bf 1019 USB_ERR("ep NULL");
mbed_official 0:a554658735bf 1020 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1021 }
mbed_official 0:a554658735bf 1022
mbed_official 0:a554658735bf 1023 if (ep->getState() != USB_TYPE_IDLE) {
samux 4:b320d68e98e7 1024 USB_WARN("[ep: %p - dev: %p - %s] NOT IDLE: %s", ep, ep->dev, ep->dev->getName(ep->getIntfNb()), ep->getStateString());
mbed_official 0:a554658735bf 1025 return ep->getState();
mbed_official 0:a554658735bf 1026 }
mbed_official 0:a554658735bf 1027
mbed_official 0:a554658735bf 1028 if ((ep->getDir() != dir) || (ep->getType() != type)) {
mbed_official 0:a554658735bf 1029 USB_ERR("[ep: %p - dev: %p] wrong dir or bad USBEndpoint type", ep, ep->dev);
mbed_official 0:a554658735bf 1030 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1031 }
mbed_official 0:a554658735bf 1032
mbed_official 0:a554658735bf 1033 if (dev->getAddress() != ep->getDeviceAddress()) {
mbed_official 0:a554658735bf 1034 USB_ERR("[ep: %p - dev: %p] USBEndpoint addr and device addr don't match", ep, ep->dev);
mbed_official 0:a554658735bf 1035 return USB_TYPE_ERROR;
mbed_official 0:a554658735bf 1036 }
mbed_official 24:868cbfe611a7 1037
mbed_official 0:a554658735bf 1038 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1039 if (write) {
mbed_official 0:a554658735bf 1040 USB_DBG_TRANSFER("%s WRITE buffer", type_str);
mbed_official 0:a554658735bf 1041 for (int i = 0; i < ep->getLengthTransferred(); i++)
embeddedartists 27:aa2fd412f1d3 1042 USB_DBG_X("%02X ", buf[i]);
embeddedartists 27:aa2fd412f1d3 1043 USB_DBG_X("\r\n\r\n");
mbed_official 0:a554658735bf 1044 }
mbed_official 0:a554658735bf 1045 #endif
mbed_official 0:a554658735bf 1046 addTransfer(ep, buf, len);
mbed_official 0:a554658735bf 1047
mbed_official 0:a554658735bf 1048 if (blocking) {
mbed_official 24:868cbfe611a7 1049
samux 9:7671b6a8c363 1050 ep->ep_queue.get();
samux 9:7671b6a8c363 1051 res = ep->getState();
mbed_official 24:868cbfe611a7 1052
samux 4:b320d68e98e7 1053 USB_DBG_TRANSFER("%s TRANSFER res: %s on ep: %p\r\n", type_str, ep->getStateString(), ep);
mbed_official 24:868cbfe611a7 1054
mbed_official 0:a554658735bf 1055 if (res != USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 1056 return res;
mbed_official 0:a554658735bf 1057 }
mbed_official 24:868cbfe611a7 1058
mbed_official 0:a554658735bf 1059 return USB_TYPE_OK;
mbed_official 0:a554658735bf 1060 }
mbed_official 24:868cbfe611a7 1061
mbed_official 0:a554658735bf 1062 return USB_TYPE_PROCESSING;
mbed_official 0:a554658735bf 1063
mbed_official 0:a554658735bf 1064 }
mbed_official 0:a554658735bf 1065
mbed_official 0:a554658735bf 1066
mbed_official 0:a554658735bf 1067 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 1068 return controlTransfer(dev, requestType, request, value, index, buf, len, false);
mbed_official 0:a554658735bf 1069 }
mbed_official 0:a554658735bf 1070
mbed_official 0:a554658735bf 1071 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 1072 return controlTransfer(dev, requestType, request, value, index, buf, len, true);
mbed_official 0:a554658735bf 1073 }
mbed_official 0:a554658735bf 1074
mbed_official 0:a554658735bf 1075 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 1076 {
mbed_official 23:759ec18ee1a7 1077 Lock lock(this);
samux 4:b320d68e98e7 1078 USB_DBG_TRANSFER("----- CONTROL %s [dev: %p - hub: %d - port: %d] ------", (write) ? "WRITE" : "READ", dev, dev->getHub(), dev->getPort());
mbed_official 0:a554658735bf 1079
mbed_official 0:a554658735bf 1080 int length_transfer = len;
mbed_official 0:a554658735bf 1081 USB_TYPE res;
mbed_official 0:a554658735bf 1082 uint32_t token;
mbed_official 0:a554658735bf 1083
mbed_official 0:a554658735bf 1084 control->setSpeed(dev->getSpeed());
mbed_official 0:a554658735bf 1085 control->setSize(dev->getSizeControlEndpoint());
mbed_official 0:a554658735bf 1086 if (dev->isActiveAddress()) {
mbed_official 0:a554658735bf 1087 control->setDeviceAddress(dev->getAddress());
mbed_official 0:a554658735bf 1088 } else {
mbed_official 0:a554658735bf 1089 control->setDeviceAddress(0);
mbed_official 0:a554658735bf 1090 }
samux 4:b320d68e98e7 1091
mbed_official 0:a554658735bf 1092 USB_DBG_TRANSFER("Control transfer on device: %d\r\n", control->getDeviceAddress());
mbed_official 0:a554658735bf 1093 fillControlBuf(requestType, request, value, index, len);
mbed_official 0:a554658735bf 1094
mbed_official 0:a554658735bf 1095 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1096 USB_DBG_TRANSFER("SETUP PACKET: ");
mbed_official 0:a554658735bf 1097 for (int i = 0; i < 8; i++)
embeddedartists 27:aa2fd412f1d3 1098 USB_DBG_X("%01X ", setupPacket[i]);
embeddedartists 27:aa2fd412f1d3 1099 USB_DBG_X("\r\n");
mbed_official 0:a554658735bf 1100 #endif
mbed_official 0:a554658735bf 1101
mbed_official 0:a554658735bf 1102 control->setNextToken(TD_SETUP);
embeddedartists 27:aa2fd412f1d3 1103 addTransfer(control, (uint8_t*)setupPacket, SAFE_USB_HOST_SETUP_PACKET_BUFF_SIZE);
mbed_official 0:a554658735bf 1104
samux 9:7671b6a8c363 1105 control->ep_queue.get();
samux 9:7671b6a8c363 1106 res = control->getState();
mbed_official 0:a554658735bf 1107
mbed_official 0:a554658735bf 1108 USB_DBG_TRANSFER("CONTROL setup stage %s", control->getStateString());
mbed_official 0:a554658735bf 1109
mbed_official 0:a554658735bf 1110 if (res != USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 1111 return res;
mbed_official 0:a554658735bf 1112 }
mbed_official 0:a554658735bf 1113
mbed_official 0:a554658735bf 1114 if (length_transfer) {
mbed_official 0:a554658735bf 1115 token = (write) ? TD_OUT : TD_IN;
mbed_official 0:a554658735bf 1116 control->setNextToken(token);
embeddedartists 27:aa2fd412f1d3 1117
mbed_official 0:a554658735bf 1118 addTransfer(control, (uint8_t *)buf, length_transfer);
mbed_official 0:a554658735bf 1119
samux 9:7671b6a8c363 1120 control->ep_queue.get();
samux 9:7671b6a8c363 1121 res = control->getState();
mbed_official 0:a554658735bf 1122
mbed_official 0:a554658735bf 1123 #if DEBUG_TRANSFER
mbed_official 0:a554658735bf 1124 USB_DBG_TRANSFER("CONTROL %s stage %s", (write) ? "WRITE" : "READ", control->getStateString());
mbed_official 0:a554658735bf 1125 if (write) {
mbed_official 0:a554658735bf 1126 USB_DBG_TRANSFER("CONTROL WRITE buffer");
mbed_official 0:a554658735bf 1127 for (int i = 0; i < control->getLengthTransferred(); i++)
embeddedartists 27:aa2fd412f1d3 1128 USB_DBG_X("%02X ", buf[i]);
embeddedartists 27:aa2fd412f1d3 1129 USB_DBG_X("\r\n\r\n");
mbed_official 0:a554658735bf 1130 } else {
mbed_official 0:a554658735bf 1131 USB_DBG_TRANSFER("CONTROL READ SUCCESS [%d bytes transferred]", control->getLengthTransferred());
mbed_official 0:a554658735bf 1132 for (int i = 0; i < control->getLengthTransferred(); i++)
embeddedartists 27:aa2fd412f1d3 1133 USB_DBG_X("%02X ", buf[i]);
embeddedartists 27:aa2fd412f1d3 1134 USB_DBG_X("\r\n\r\n");
mbed_official 0:a554658735bf 1135 }
mbed_official 0:a554658735bf 1136 #endif
mbed_official 0:a554658735bf 1137
mbed_official 0:a554658735bf 1138 if (res != USB_TYPE_IDLE) {
mbed_official 0:a554658735bf 1139 return res;
mbed_official 0:a554658735bf 1140 }
mbed_official 0:a554658735bf 1141 }
mbed_official 0:a554658735bf 1142
mbed_official 0:a554658735bf 1143 token = (write) ? TD_IN : TD_OUT;
mbed_official 0:a554658735bf 1144 control->setNextToken(token);
embeddedartists 27:aa2fd412f1d3 1145
mbed_official 0:a554658735bf 1146 addTransfer(control, NULL, 0);
mbed_official 0:a554658735bf 1147
samux 9:7671b6a8c363 1148 control->ep_queue.get();
samux 9:7671b6a8c363 1149 res = control->getState();
mbed_official 0:a554658735bf 1150
mbed_official 0:a554658735bf 1151 USB_DBG_TRANSFER("CONTROL ack stage %s", control->getStateString());
mbed_official 0:a554658735bf 1152
mbed_official 0:a554658735bf 1153 if (res != USB_TYPE_IDLE)
mbed_official 0:a554658735bf 1154 return res;
mbed_official 0:a554658735bf 1155
mbed_official 0:a554658735bf 1156 return USB_TYPE_OK;
mbed_official 0:a554658735bf 1157 }
mbed_official 0:a554658735bf 1158
mbed_official 0:a554658735bf 1159
mbed_official 0:a554658735bf 1160 void USBHost::fillControlBuf(uint8_t requestType, uint8_t request, uint16_t value, uint16_t index, int len)
mbed_official 0:a554658735bf 1161 {
mbed_official 0:a554658735bf 1162 setupPacket[0] = requestType;
mbed_official 0:a554658735bf 1163 setupPacket[1] = request;
mbed_official 13:b58a2204422f 1164 setupPacket[2] = (uint8_t) value;
mbed_official 13:b58a2204422f 1165 setupPacket[3] = (uint8_t) (value >> 8);
mbed_official 13:b58a2204422f 1166 setupPacket[4] = (uint8_t) index;
mbed_official 13:b58a2204422f 1167 setupPacket[5] = (uint8_t) (index >> 8);
mbed_official 13:b58a2204422f 1168 setupPacket[6] = (uint8_t) len;
mbed_official 13:b58a2204422f 1169 setupPacket[7] = (uint8_t) (len >> 8);
mbed_official 0:a554658735bf 1170 }