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Opencv 3.1 project on GR-PEACH board

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USBHost_custom/USBHostMSD/USBHostMSD.cpp@170:54ff26da7eb6, 2017-07-04 (annotated)

Committer:
thedo
Date:
Tue Jul 04 06:23:13 2017 +0000
Revision:
170:54ff26da7eb6
Parent:
166:3a9487d57a5c 
project opencv 3.1 on GR PEACH board, no use SD card.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thedo 166:3a9487d57a5c 1 /* mbed USBHost Library
thedo 166:3a9487d57a5c 2 * Copyright (c) 2006-2013 ARM Limited
thedo 166:3a9487d57a5c 3 *
thedo 166:3a9487d57a5c 4 * Licensed under the Apache License, Version 2.0 (the "License");
thedo 166:3a9487d57a5c 5 * you may not use this file except in compliance with the License.
thedo 166:3a9487d57a5c 6 * You may obtain a copy of the License at
thedo 166:3a9487d57a5c 7 *
thedo 166:3a9487d57a5c 8 * http://www.apache.org/licenses/LICENSE-2.0
thedo 166:3a9487d57a5c 9 *
thedo 166:3a9487d57a5c 10 * Unless required by applicable law or agreed to in writing, software
thedo 166:3a9487d57a5c 11 * distributed under the License is distributed on an "AS IS" BASIS,
thedo 166:3a9487d57a5c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
thedo 166:3a9487d57a5c 13 * See the License for the specific language governing permissions and
thedo 166:3a9487d57a5c 14 * limitations under the License.
thedo 166:3a9487d57a5c 15 */
thedo 166:3a9487d57a5c 16
thedo 166:3a9487d57a5c 17 #include "USBHostMSD.h"
thedo 166:3a9487d57a5c 18
thedo 166:3a9487d57a5c 19 #if USBHOST_MSD
thedo 166:3a9487d57a5c 20
thedo 166:3a9487d57a5c 21 #include "dbg.h"
thedo 166:3a9487d57a5c 22
thedo 166:3a9487d57a5c 23 #define CBW_SIGNATURE 0x43425355
thedo 166:3a9487d57a5c 24 #define CSW_SIGNATURE 0x53425355
thedo 166:3a9487d57a5c 25
thedo 166:3a9487d57a5c 26 #define DEVICE_TO_HOST 0x80
thedo 166:3a9487d57a5c 27 #define HOST_TO_DEVICE 0x00
thedo 166:3a9487d57a5c 28
thedo 166:3a9487d57a5c 29 #define GET_MAX_LUN (0xFE)
thedo 166:3a9487d57a5c 30 #define BO_MASS_STORAGE_RESET (0xFF)
thedo 166:3a9487d57a5c 31
thedo 166:3a9487d57a5c 32 USBHostMSD::USBHostMSD()
thedo 166:3a9487d57a5c 33 {
thedo 166:3a9487d57a5c 34 host = USBHost::getHostInst();
thedo 166:3a9487d57a5c 35 msd_init();
thedo 166:3a9487d57a5c 36 }
thedo 166:3a9487d57a5c 37
thedo 166:3a9487d57a5c 38 USBHostMSD::~USBHostMSD()
thedo 166:3a9487d57a5c 39 {
thedo 166:3a9487d57a5c 40 if (_is_initialized) {
thedo 166:3a9487d57a5c 41 deinit();
thedo 166:3a9487d57a5c 42 }
thedo 166:3a9487d57a5c 43 }
thedo 166:3a9487d57a5c 44
thedo 166:3a9487d57a5c 45 void USBHostMSD::msd_init() {
thedo 166:3a9487d57a5c 46 dev_connected = false;
thedo 166:3a9487d57a5c 47 dev = NULL;
thedo 166:3a9487d57a5c 48 bulk_in = NULL;
thedo 166:3a9487d57a5c 49 bulk_out = NULL;
thedo 166:3a9487d57a5c 50 dev_connected = false;
thedo 166:3a9487d57a5c 51 blockSize = 0;
thedo 166:3a9487d57a5c 52 blockCount = 0;
thedo 166:3a9487d57a5c 53 msd_intf = -1;
thedo 166:3a9487d57a5c 54 msd_device_found = false;
thedo 166:3a9487d57a5c 55 _is_initialized = false;
thedo 166:3a9487d57a5c 56 dev_connected = false;
thedo 166:3a9487d57a5c 57 nb_ep = 0;
thedo 166:3a9487d57a5c 58 }
thedo 166:3a9487d57a5c 59
thedo 166:3a9487d57a5c 60
thedo 166:3a9487d57a5c 61 bool USBHostMSD::connected()
thedo 166:3a9487d57a5c 62 {
thedo 166:3a9487d57a5c 63 return dev_connected;
thedo 166:3a9487d57a5c 64 }
thedo 166:3a9487d57a5c 65
thedo 166:3a9487d57a5c 66 bool USBHostMSD::connect()
thedo 166:3a9487d57a5c 67 {
thedo 166:3a9487d57a5c 68
thedo 166:3a9487d57a5c 69 if (dev_connected) {
thedo 166:3a9487d57a5c 70 return true;
thedo 166:3a9487d57a5c 71 }
thedo 166:3a9487d57a5c 72
thedo 166:3a9487d57a5c 73 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
thedo 166:3a9487d57a5c 74 if ((dev = host->getDevice(i)) != NULL) {
thedo 166:3a9487d57a5c 75
thedo 166:3a9487d57a5c 76 USB_DBG("Trying to connect MSD device\r\n");
thedo 166:3a9487d57a5c 77
thedo 166:3a9487d57a5c 78 if(host->enumerate(dev, this))
thedo 166:3a9487d57a5c 79 break;
thedo 166:3a9487d57a5c 80
thedo 166:3a9487d57a5c 81 if (msd_device_found) {
thedo 166:3a9487d57a5c 82 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
thedo 166:3a9487d57a5c 83 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
thedo 166:3a9487d57a5c 84
thedo 166:3a9487d57a5c 85 if (!bulk_in || !bulk_out)
thedo 166:3a9487d57a5c 86 continue;
thedo 166:3a9487d57a5c 87
thedo 166:3a9487d57a5c 88 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
thedo 166:3a9487d57a5c 89 dev->setName("MSD", msd_intf);
thedo 166:3a9487d57a5c 90 host->registerDriver(dev, msd_intf, this, &USBHostMSD::msd_init);
thedo 166:3a9487d57a5c 91
thedo 166:3a9487d57a5c 92 dev_connected = true;
thedo 166:3a9487d57a5c 93 return true;
thedo 166:3a9487d57a5c 94 }
thedo 166:3a9487d57a5c 95 } //if()
thedo 166:3a9487d57a5c 96 } //for()
thedo 166:3a9487d57a5c 97 msd_init();
thedo 166:3a9487d57a5c 98 return false;
thedo 166:3a9487d57a5c 99 }
thedo 166:3a9487d57a5c 100
thedo 166:3a9487d57a5c 101 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
thedo 166:3a9487d57a5c 102 {
thedo 166:3a9487d57a5c 103 // we don't check VID/PID for MSD driver
thedo 166:3a9487d57a5c 104 }
thedo 166:3a9487d57a5c 105
thedo 166:3a9487d57a5c 106 /*virtual*/ bool USBHostMSD::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
thedo 166:3a9487d57a5c 107 {
thedo 166:3a9487d57a5c 108 if ((msd_intf == -1) &&
thedo 166:3a9487d57a5c 109 (intf_class == MSD_CLASS) &&
thedo 166:3a9487d57a5c 110 (intf_subclass == 0x06) &&
thedo 166:3a9487d57a5c 111 (intf_protocol == 0x50)) {
thedo 166:3a9487d57a5c 112 msd_intf = intf_nb;
thedo 166:3a9487d57a5c 113 return true;
thedo 166:3a9487d57a5c 114 }
thedo 166:3a9487d57a5c 115 return false;
thedo 166:3a9487d57a5c 116 }
thedo 166:3a9487d57a5c 117
thedo 166:3a9487d57a5c 118 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
thedo 166:3a9487d57a5c 119 {
thedo 166:3a9487d57a5c 120 if (intf_nb == msd_intf) {
thedo 166:3a9487d57a5c 121 if (type == BULK_ENDPOINT) {
thedo 166:3a9487d57a5c 122 nb_ep++;
thedo 166:3a9487d57a5c 123 if (nb_ep == 2)
thedo 166:3a9487d57a5c 124 msd_device_found = true;
thedo 166:3a9487d57a5c 125 return true;
thedo 166:3a9487d57a5c 126 }
thedo 166:3a9487d57a5c 127 }
thedo 166:3a9487d57a5c 128 return false;
thedo 166:3a9487d57a5c 129 }
thedo 166:3a9487d57a5c 130
thedo 166:3a9487d57a5c 131
thedo 166:3a9487d57a5c 132 int USBHostMSD::testUnitReady() {
thedo 166:3a9487d57a5c 133 USB_DBG("Test unit ready");
thedo 166:3a9487d57a5c 134 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
thedo 166:3a9487d57a5c 135 }
thedo 166:3a9487d57a5c 136
thedo 166:3a9487d57a5c 137
thedo 166:3a9487d57a5c 138 int USBHostMSD::readCapacity() {
thedo 166:3a9487d57a5c 139 USB_DBG("Read capacity");
thedo 166:3a9487d57a5c 140 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
thedo 166:3a9487d57a5c 141 uint8_t result[8];
thedo 166:3a9487d57a5c 142 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
thedo 166:3a9487d57a5c 143 if (status == 0) {
thedo 166:3a9487d57a5c 144 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
thedo 166:3a9487d57a5c 145 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
thedo 166:3a9487d57a5c 146 USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", dev, blockCount, blockSize, blockCount*blockSize);
thedo 166:3a9487d57a5c 147 }
thedo 166:3a9487d57a5c 148 return status;
thedo 166:3a9487d57a5c 149 }
thedo 166:3a9487d57a5c 150
thedo 166:3a9487d57a5c 151
thedo 166:3a9487d57a5c 152 int USBHostMSD::SCSIRequestSense() {
thedo 166:3a9487d57a5c 153 USB_DBG("Request sense");
thedo 166:3a9487d57a5c 154 uint8_t cmd[6] = {0x03,0,0,0,18,0};
thedo 166:3a9487d57a5c 155 uint8_t result[18];
thedo 166:3a9487d57a5c 156 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
thedo 166:3a9487d57a5c 157 return status;
thedo 166:3a9487d57a5c 158 }
thedo 166:3a9487d57a5c 159
thedo 166:3a9487d57a5c 160
thedo 166:3a9487d57a5c 161 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
thedo 166:3a9487d57a5c 162 USB_DBG("Inquiry");
thedo 166:3a9487d57a5c 163 uint8_t evpd = (page_code == 0) ? 0 : 1;
thedo 166:3a9487d57a5c 164 uint8_t cmd[6] = {0x12, uint8_t((lun << 5) | evpd), page_code, 0, 36, 0};
thedo 166:3a9487d57a5c 165 uint8_t result[36];
thedo 166:3a9487d57a5c 166 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
thedo 166:3a9487d57a5c 167 if (status == 0) {
thedo 166:3a9487d57a5c 168 char vid_pid[17];
thedo 166:3a9487d57a5c 169 memcpy(vid_pid, &result[8], 8);
thedo 166:3a9487d57a5c 170 vid_pid[8] = 0;
thedo 166:3a9487d57a5c 171 USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
thedo 166:3a9487d57a5c 172
thedo 166:3a9487d57a5c 173 memcpy(vid_pid, &result[16], 16);
thedo 166:3a9487d57a5c 174 vid_pid[16] = 0;
thedo 166:3a9487d57a5c 175 USB_INFO("MSD [dev: %p] - Product ID: %s", dev, vid_pid);
thedo 166:3a9487d57a5c 176
thedo 166:3a9487d57a5c 177 memcpy(vid_pid, &result[32], 4);
thedo 166:3a9487d57a5c 178 vid_pid[4] = 0;
thedo 166:3a9487d57a5c 179 USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
thedo 166:3a9487d57a5c 180 }
thedo 166:3a9487d57a5c 181 return status;
thedo 166:3a9487d57a5c 182 }
thedo 166:3a9487d57a5c 183
thedo 166:3a9487d57a5c 184 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
thedo 166:3a9487d57a5c 185 // if ep stalled: send clear feature
thedo 166:3a9487d57a5c 186 if (res == USB_TYPE_STALL_ERROR) {
thedo 166:3a9487d57a5c 187 res = host->controlWrite( dev,
thedo 166:3a9487d57a5c 188 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
thedo 166:3a9487d57a5c 189 CLEAR_FEATURE,
thedo 166:3a9487d57a5c 190 0, ep->getAddress(), NULL, 0);
thedo 166:3a9487d57a5c 191 // set state to IDLE if clear feature successful
thedo 166:3a9487d57a5c 192 if (res == USB_TYPE_OK) {
thedo 166:3a9487d57a5c 193 ep->setState(USB_TYPE_IDLE);
thedo 166:3a9487d57a5c 194 }
thedo 166:3a9487d57a5c 195 }
thedo 166:3a9487d57a5c 196
thedo 166:3a9487d57a5c 197 if (res != USB_TYPE_OK)
thedo 166:3a9487d57a5c 198 return -1;
thedo 166:3a9487d57a5c 199
thedo 166:3a9487d57a5c 200 return 0;
thedo 166:3a9487d57a5c 201 }
thedo 166:3a9487d57a5c 202
thedo 166:3a9487d57a5c 203
thedo 166:3a9487d57a5c 204 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
thedo 166:3a9487d57a5c 205
thedo 166:3a9487d57a5c 206 int res = 0;
thedo 166:3a9487d57a5c 207
thedo 166:3a9487d57a5c 208 cbw.Signature = CBW_SIGNATURE;
thedo 166:3a9487d57a5c 209 cbw.Tag = 0;
thedo 166:3a9487d57a5c 210 cbw.DataLength = transfer_len;
thedo 166:3a9487d57a5c 211 cbw.Flags = flags;
thedo 166:3a9487d57a5c 212 cbw.LUN = 0;
thedo 166:3a9487d57a5c 213 cbw.CBLength = cmd_len;
thedo 166:3a9487d57a5c 214 memset(cbw.CB,0,sizeof(cbw.CB));
thedo 166:3a9487d57a5c 215 if (cmd) {
thedo 166:3a9487d57a5c 216 memcpy(cbw.CB,cmd,cmd_len);
thedo 166:3a9487d57a5c 217 }
thedo 166:3a9487d57a5c 218
thedo 166:3a9487d57a5c 219 // send the cbw
thedo 166:3a9487d57a5c 220 USB_DBG("Send CBW");
thedo 166:3a9487d57a5c 221 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
thedo 166:3a9487d57a5c 222 if (checkResult(res, bulk_out))
thedo 166:3a9487d57a5c 223 return -1;
thedo 166:3a9487d57a5c 224
thedo 166:3a9487d57a5c 225 // data stage if needed
thedo 166:3a9487d57a5c 226 if (data) {
thedo 166:3a9487d57a5c 227 USB_DBG("data stage");
thedo 166:3a9487d57a5c 228 if (flags == HOST_TO_DEVICE) {
thedo 166:3a9487d57a5c 229
thedo 166:3a9487d57a5c 230 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
thedo 166:3a9487d57a5c 231 if (checkResult(res, bulk_out))
thedo 166:3a9487d57a5c 232 return -1;
thedo 166:3a9487d57a5c 233
thedo 166:3a9487d57a5c 234 } else if (flags == DEVICE_TO_HOST) {
thedo 166:3a9487d57a5c 235
thedo 166:3a9487d57a5c 236 res = host->bulkRead(dev, bulk_in, data, transfer_len);
thedo 166:3a9487d57a5c 237 if (checkResult(res, bulk_in))
thedo 166:3a9487d57a5c 238 return -1;
thedo 166:3a9487d57a5c 239 }
thedo 166:3a9487d57a5c 240 }
thedo 166:3a9487d57a5c 241
thedo 166:3a9487d57a5c 242 // status stage
thedo 166:3a9487d57a5c 243 csw.Signature = 0;
thedo 166:3a9487d57a5c 244 USB_DBG("Read CSW");
thedo 166:3a9487d57a5c 245 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
thedo 166:3a9487d57a5c 246 if (checkResult(res, bulk_in))
thedo 166:3a9487d57a5c 247 return -1;
thedo 166:3a9487d57a5c 248
thedo 166:3a9487d57a5c 249 if (csw.Signature != CSW_SIGNATURE) {
thedo 166:3a9487d57a5c 250 return -1;
thedo 166:3a9487d57a5c 251 }
thedo 166:3a9487d57a5c 252
thedo 166:3a9487d57a5c 253 USB_DBG("recv csw: status: %d", csw.Status);
thedo 166:3a9487d57a5c 254
thedo 166:3a9487d57a5c 255 // ModeSense?
thedo 166:3a9487d57a5c 256 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
thedo 166:3a9487d57a5c 257 USB_DBG("request mode sense");
thedo 166:3a9487d57a5c 258 return SCSIRequestSense();
thedo 166:3a9487d57a5c 259 }
thedo 166:3a9487d57a5c 260
thedo 166:3a9487d57a5c 261 // perform reset recovery
thedo 166:3a9487d57a5c 262 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
thedo 166:3a9487d57a5c 263
thedo 166:3a9487d57a5c 264 // send Bulk-Only Mass Storage Reset request
thedo 166:3a9487d57a5c 265 res = host->controlWrite( dev,
thedo 166:3a9487d57a5c 266 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
thedo 166:3a9487d57a5c 267 BO_MASS_STORAGE_RESET,
thedo 166:3a9487d57a5c 268 0, msd_intf, NULL, 0);
thedo 166:3a9487d57a5c 269
thedo 166:3a9487d57a5c 270 // unstall both endpoints
thedo 166:3a9487d57a5c 271 res = host->controlWrite( dev,
thedo 166:3a9487d57a5c 272 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
thedo 166:3a9487d57a5c 273 CLEAR_FEATURE,
thedo 166:3a9487d57a5c 274 0, bulk_in->getAddress(), NULL, 0);
thedo 166:3a9487d57a5c 275
thedo 166:3a9487d57a5c 276 res = host->controlWrite( dev,
thedo 166:3a9487d57a5c 277 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
thedo 166:3a9487d57a5c 278 CLEAR_FEATURE,
thedo 166:3a9487d57a5c 279 0, bulk_out->getAddress(), NULL, 0);
thedo 166:3a9487d57a5c 280
thedo 166:3a9487d57a5c 281 }
thedo 166:3a9487d57a5c 282
thedo 166:3a9487d57a5c 283 return csw.Status;
thedo 166:3a9487d57a5c 284 }
thedo 166:3a9487d57a5c 285
thedo 166:3a9487d57a5c 286
thedo 166:3a9487d57a5c 287 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
thedo 166:3a9487d57a5c 288 uint8_t cmd[10];
thedo 166:3a9487d57a5c 289 memset(cmd,0,10);
thedo 166:3a9487d57a5c 290 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
thedo 166:3a9487d57a5c 291
thedo 166:3a9487d57a5c 292 cmd[2] = (block >> 24) & 0xff;
thedo 166:3a9487d57a5c 293 cmd[3] = (block >> 16) & 0xff;
thedo 166:3a9487d57a5c 294 cmd[4] = (block >> 8) & 0xff;
thedo 166:3a9487d57a5c 295 cmd[5] = block & 0xff;
thedo 166:3a9487d57a5c 296
thedo 166:3a9487d57a5c 297 cmd[7] = (nbBlock >> 8) & 0xff;
thedo 166:3a9487d57a5c 298 cmd[8] = nbBlock & 0xff;
thedo 166:3a9487d57a5c 299
thedo 166:3a9487d57a5c 300 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
thedo 166:3a9487d57a5c 301 }
thedo 166:3a9487d57a5c 302
thedo 166:3a9487d57a5c 303 int USBHostMSD::getMaxLun() {
thedo 166:3a9487d57a5c 304 uint8_t buf[1], res;
thedo 166:3a9487d57a5c 305 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
thedo 166:3a9487d57a5c 306 0xfe, 0, msd_intf, buf, 1);
thedo 166:3a9487d57a5c 307 USB_DBG("max lun: %d", buf[0]);
thedo 166:3a9487d57a5c 308 return res;
thedo 166:3a9487d57a5c 309 }
thedo 166:3a9487d57a5c 310
thedo 166:3a9487d57a5c 311 #define USB_BLOCK_DEVICE_ERROR_WOULD_BLOCK -5001 /*!< operation would block */
thedo 166:3a9487d57a5c 312 #define USB_BLOCK_DEVICE_ERROR_UNSUPPORTED -5002 /*!< unsupported operation */
thedo 166:3a9487d57a5c 313 #define USB_BLOCK_DEVICE_ERROR_PARAMETER -5003 /*!< invalid parameter */
thedo 166:3a9487d57a5c 314 #define USB_BLOCK_DEVICE_ERROR_NO_INIT -5004 /*!< uninitialized */
thedo 166:3a9487d57a5c 315 #define USB_BLOCK_DEVICE_ERROR_NO_DEVICE -5005 /*!< device is missing or not connected */
thedo 166:3a9487d57a5c 316 #define USB_BLOCK_DEVICE_ERROR_WRITE_PROTECTED -5006 /*!< write protected */
thedo 166:3a9487d57a5c 317
thedo 166:3a9487d57a5c 318 int USBHostMSD::init() {
thedo 166:3a9487d57a5c 319 uint16_t i, timeout = 10;
thedo 166:3a9487d57a5c 320
thedo 166:3a9487d57a5c 321 _lock.lock();
thedo 166:3a9487d57a5c 322 getMaxLun();
thedo 166:3a9487d57a5c 323
thedo 166:3a9487d57a5c 324 for (i = 0; i < timeout; i++) {
thedo 166:3a9487d57a5c 325 Thread::wait(100);
thedo 166:3a9487d57a5c 326 if (!testUnitReady())
thedo 166:3a9487d57a5c 327 break;
thedo 166:3a9487d57a5c 328 }
thedo 166:3a9487d57a5c 329
thedo 166:3a9487d57a5c 330 if (i == timeout) {
thedo 166:3a9487d57a5c 331 return BD_ERROR_DEVICE_ERROR;
thedo 166:3a9487d57a5c 332 }
thedo 166:3a9487d57a5c 333
thedo 166:3a9487d57a5c 334 inquiry(0, 0);
thedo 166:3a9487d57a5c 335 if (readCapacity() != 0) {
thedo 166:3a9487d57a5c 336 _lock.unlock();
thedo 166:3a9487d57a5c 337 return BD_ERROR_DEVICE_ERROR;
thedo 166:3a9487d57a5c 338 }
thedo 166:3a9487d57a5c 339 _is_initialized = true;
thedo 166:3a9487d57a5c 340 _lock.unlock();
thedo 166:3a9487d57a5c 341
thedo 166:3a9487d57a5c 342 return BD_ERROR_OK;
thedo 166:3a9487d57a5c 343 }
thedo 166:3a9487d57a5c 344
thedo 166:3a9487d57a5c 345 int USBHostMSD::deinit() {
thedo 166:3a9487d57a5c 346 return 0;
thedo 166:3a9487d57a5c 347 }
thedo 166:3a9487d57a5c 348
thedo 166:3a9487d57a5c 349 int USBHostMSD::program(const void *b, bd_addr_t addr, bd_size_t size)
thedo 166:3a9487d57a5c 350 {
thedo 166:3a9487d57a5c 351 if (!is_valid_program(addr, size)) {
thedo 166:3a9487d57a5c 352 return USB_BLOCK_DEVICE_ERROR_PARAMETER;
thedo 166:3a9487d57a5c 353 }
thedo 166:3a9487d57a5c 354
thedo 166:3a9487d57a5c 355 _lock.lock();
thedo 166:3a9487d57a5c 356 if (!_is_initialized) {
thedo 166:3a9487d57a5c 357 _lock.unlock();
thedo 166:3a9487d57a5c 358 return USB_BLOCK_DEVICE_ERROR_NO_INIT;
thedo 166:3a9487d57a5c 359 }
thedo 166:3a9487d57a5c 360
thedo 166:3a9487d57a5c 361 const uint8_t *buffer = static_cast<const uint8_t*>(b);
thedo 166:3a9487d57a5c 362 while (size > 0) {
thedo 166:3a9487d57a5c 363 bd_addr_t block = addr / 512;
thedo 166:3a9487d57a5c 364
thedo 166:3a9487d57a5c 365 // send the data block
thedo 166:3a9487d57a5c 366 if (dataTransfer((uint8_t*)buffer, block, 1, HOST_TO_DEVICE)) {
thedo 166:3a9487d57a5c 367 _lock.unlock();
thedo 166:3a9487d57a5c 368 return BD_ERROR_DEVICE_ERROR;
thedo 166:3a9487d57a5c 369 }
thedo 166:3a9487d57a5c 370
thedo 166:3a9487d57a5c 371 buffer += 512;
thedo 166:3a9487d57a5c 372 addr += 512;
thedo 166:3a9487d57a5c 373 size -= 512;
thedo 166:3a9487d57a5c 374 }
thedo 166:3a9487d57a5c 375 _lock.unlock();
thedo 166:3a9487d57a5c 376 return 0;
thedo 166:3a9487d57a5c 377 }
thedo 166:3a9487d57a5c 378
thedo 166:3a9487d57a5c 379 int USBHostMSD::read(void *b, bd_addr_t addr, bd_size_t size)
thedo 166:3a9487d57a5c 380 {
thedo 166:3a9487d57a5c 381 if (!is_valid_read(addr, size)) {
thedo 166:3a9487d57a5c 382 return USB_BLOCK_DEVICE_ERROR_PARAMETER;
thedo 166:3a9487d57a5c 383 }
thedo 166:3a9487d57a5c 384
thedo 166:3a9487d57a5c 385 _lock.lock();
thedo 166:3a9487d57a5c 386 if (!_is_initialized) {
thedo 166:3a9487d57a5c 387 _lock.unlock();
thedo 166:3a9487d57a5c 388 return USB_BLOCK_DEVICE_ERROR_PARAMETER;
thedo 166:3a9487d57a5c 389 }
thedo 166:3a9487d57a5c 390
thedo 166:3a9487d57a5c 391 uint8_t *buffer = static_cast<uint8_t *>(b);
thedo 166:3a9487d57a5c 392 while (size > 0) {
thedo 166:3a9487d57a5c 393 bd_addr_t block = addr / 512;
thedo 166:3a9487d57a5c 394
thedo 166:3a9487d57a5c 395 // receive the data
thedo 166:3a9487d57a5c 396 if (dataTransfer((uint8_t*)buffer, block, 1, DEVICE_TO_HOST)) {
thedo 166:3a9487d57a5c 397 _lock.unlock();
thedo 166:3a9487d57a5c 398 return BD_ERROR_DEVICE_ERROR;
thedo 166:3a9487d57a5c 399 }
thedo 166:3a9487d57a5c 400 buffer += 512;
thedo 166:3a9487d57a5c 401 addr += 512;
thedo 166:3a9487d57a5c 402 size -= 512;
thedo 166:3a9487d57a5c 403 }
thedo 166:3a9487d57a5c 404 _lock.unlock();
thedo 166:3a9487d57a5c 405 return 0;
thedo 166:3a9487d57a5c 406 }
thedo 166:3a9487d57a5c 407
thedo 166:3a9487d57a5c 408 int USBHostMSD::erase(bd_addr_t addr, bd_size_t size)
thedo 166:3a9487d57a5c 409 {
thedo 166:3a9487d57a5c 410 return 0;
thedo 166:3a9487d57a5c 411 }
thedo 166:3a9487d57a5c 412
thedo 166:3a9487d57a5c 413 bd_size_t USBHostMSD::get_read_size() const
thedo 166:3a9487d57a5c 414 {
thedo 166:3a9487d57a5c 415 return 512;
thedo 166:3a9487d57a5c 416 }
thedo 166:3a9487d57a5c 417
thedo 166:3a9487d57a5c 418 bd_size_t USBHostMSD::get_program_size() const
thedo 166:3a9487d57a5c 419 {
thedo 166:3a9487d57a5c 420 return 512;
thedo 166:3a9487d57a5c 421 }
thedo 166:3a9487d57a5c 422
thedo 166:3a9487d57a5c 423 bd_size_t USBHostMSD::get_erase_size() const
thedo 166:3a9487d57a5c 424 {
thedo 166:3a9487d57a5c 425 return 512;
thedo 166:3a9487d57a5c 426 }
thedo 166:3a9487d57a5c 427
thedo 166:3a9487d57a5c 428 bd_size_t USBHostMSD::size() const
thedo 166:3a9487d57a5c 429 {
thedo 166:3a9487d57a5c 430 bd_size_t sectors = 0;
thedo 166:3a9487d57a5c 431 if(_is_initialized) {
thedo 166:3a9487d57a5c 432 sectors = blockCount;
thedo 166:3a9487d57a5c 433 }
thedo 166:3a9487d57a5c 434 return 512*sectors;
thedo 166:3a9487d57a5c 435 }
thedo 166:3a9487d57a5c 436
thedo 166:3a9487d57a5c 437 void USBHostMSD::debug(bool dbg)
thedo 166:3a9487d57a5c 438 {
thedo 166:3a9487d57a5c 439 // _dbg = dbg;
thedo 166:3a9487d57a5c 440 }
thedo 166:3a9487d57a5c 441
thedo 166:3a9487d57a5c 442 #endif
thedo 166:3a9487d57a5c 443