Joerg Schmalzl / USBHost_DISCO-F746NG_joerg

USB lib Joerg

Fork of USBHost_DISCO-F746NG by Dieter Graef

USBHostMSD/USBHostMSD.cpp@24:5396b6a93262, 2016-06-13 (annotated)

Committer:
DieterGraef
Date:
Mon Jun 13 17:21:07 2016 +0000
Revision:
24:5396b6a93262
Parent:
20:9827f135ccb6
Child:
25:7d6d9fc471bf
USB Host for STM32F746 DISCO Board. At the moment you can only use either the High Speed Port or the Fast Speed Port.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 14:b167f2b97cb7 1 /* mbed USBHost Library
va009039 14:b167f2b97cb7 2 * Copyright (c) 2006-2013 ARM Limited
va009039 14:b167f2b97cb7 3 *
va009039 14:b167f2b97cb7 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 14:b167f2b97cb7 5 * you may not use this file except in compliance with the License.
va009039 14:b167f2b97cb7 6 * You may obtain a copy of the License at
va009039 14:b167f2b97cb7 7 *
va009039 14:b167f2b97cb7 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 14:b167f2b97cb7 9 *
va009039 14:b167f2b97cb7 10 * Unless required by applicable law or agreed to in writing, software
va009039 14:b167f2b97cb7 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 14:b167f2b97cb7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 14:b167f2b97cb7 13 * See the License for the specific language governing permissions and
va009039 14:b167f2b97cb7 14 * limitations under the License.
va009039 14:b167f2b97cb7 15 */
va009039 14:b167f2b97cb7 16
va009039 14:b167f2b97cb7 17 #include "USBHostMSD.h"
va009039 14:b167f2b97cb7 18
va009039 14:b167f2b97cb7 19 #if USBHOST_MSD
va009039 14:b167f2b97cb7 20
va009039 14:b167f2b97cb7 21 #include "dbg.h"
va009039 14:b167f2b97cb7 22
va009039 14:b167f2b97cb7 23 #define CBW_SIGNATURE 0x43425355
va009039 14:b167f2b97cb7 24 #define CSW_SIGNATURE 0x53425355
va009039 14:b167f2b97cb7 25
va009039 14:b167f2b97cb7 26 #define DEVICE_TO_HOST 0x80
va009039 14:b167f2b97cb7 27 #define HOST_TO_DEVICE 0x00
va009039 14:b167f2b97cb7 28
va009039 14:b167f2b97cb7 29 #define GET_MAX_LUN (0xFE)
va009039 14:b167f2b97cb7 30 #define BO_MASS_STORAGE_RESET (0xFF)
va009039 14:b167f2b97cb7 31
DieterGraef 24:5396b6a93262 32 USBHostMSD::USBHostMSD(int Interface,const char * rootdir) : FATFileSystem(rootdir)
va009039 14:b167f2b97cb7 33 {
DieterGraef 24:5396b6a93262 34 host = USBHost::getHostInst(Interface);
va009039 14:b167f2b97cb7 35 init();
va009039 14:b167f2b97cb7 36 }
va009039 14:b167f2b97cb7 37
va009039 14:b167f2b97cb7 38 void USBHostMSD::init() {
va009039 14:b167f2b97cb7 39 dev_connected = false;
va009039 14:b167f2b97cb7 40 dev = NULL;
va009039 14:b167f2b97cb7 41 bulk_in = NULL;
va009039 14:b167f2b97cb7 42 bulk_out = NULL;
va009039 14:b167f2b97cb7 43 dev_connected = false;
va009039 14:b167f2b97cb7 44 blockSize = 0;
va009039 14:b167f2b97cb7 45 blockCount = 0;
va009039 14:b167f2b97cb7 46 msd_intf = -1;
va009039 14:b167f2b97cb7 47 msd_device_found = false;
va009039 14:b167f2b97cb7 48 disk_init = false;
va009039 14:b167f2b97cb7 49 dev_connected = false;
va009039 14:b167f2b97cb7 50 nb_ep = 0;
va009039 14:b167f2b97cb7 51 }
va009039 14:b167f2b97cb7 52
va009039 14:b167f2b97cb7 53
va009039 14:b167f2b97cb7 54 bool USBHostMSD::connected()
va009039 14:b167f2b97cb7 55 {
va009039 14:b167f2b97cb7 56 return dev_connected;
va009039 14:b167f2b97cb7 57 }
va009039 14:b167f2b97cb7 58
va009039 14:b167f2b97cb7 59 bool USBHostMSD::connect()
va009039 14:b167f2b97cb7 60 {
va009039 14:b167f2b97cb7 61
va009039 14:b167f2b97cb7 62 if (dev_connected) {
va009039 14:b167f2b97cb7 63 return true;
va009039 14:b167f2b97cb7 64 }
va009039 14:b167f2b97cb7 65
va009039 14:b167f2b97cb7 66 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 14:b167f2b97cb7 67 if ((dev = host->getDevice(i)) != NULL) {
va009039 14:b167f2b97cb7 68
va009039 14:b167f2b97cb7 69 USB_DBG("Trying to connect MSD device\r\n");
va009039 14:b167f2b97cb7 70
va009039 14:b167f2b97cb7 71 if(host->enumerate(dev, this))
va009039 14:b167f2b97cb7 72 break;
va009039 14:b167f2b97cb7 73
va009039 14:b167f2b97cb7 74 if (msd_device_found) {
va009039 14:b167f2b97cb7 75 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
va009039 14:b167f2b97cb7 76 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
va009039 14:b167f2b97cb7 77
va009039 14:b167f2b97cb7 78 if (!bulk_in || !bulk_out)
va009039 14:b167f2b97cb7 79 continue;
va009039 14:b167f2b97cb7 80
va009039 14:b167f2b97cb7 81 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
va009039 14:b167f2b97cb7 82 dev->setName("MSD", msd_intf);
va009039 14:b167f2b97cb7 83 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
va009039 14:b167f2b97cb7 84
va009039 14:b167f2b97cb7 85 dev_connected = true;
va009039 14:b167f2b97cb7 86 return true;
va009039 14:b167f2b97cb7 87 }
va009039 14:b167f2b97cb7 88 } //if()
va009039 14:b167f2b97cb7 89 } //for()
va009039 14:b167f2b97cb7 90 init();
va009039 14:b167f2b97cb7 91 return false;
va009039 14:b167f2b97cb7 92 }
va009039 14:b167f2b97cb7 93
va009039 14:b167f2b97cb7 94 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
va009039 14:b167f2b97cb7 95 {
va009039 14:b167f2b97cb7 96 // we don't check VID/PID for MSD driver
va009039 14:b167f2b97cb7 97 }
va009039 14:b167f2b97cb7 98
va009039 14:b167f2b97cb7 99 /*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
va009039 14:b167f2b97cb7 100 {
va009039 14:b167f2b97cb7 101 if ((msd_intf == -1) &&
va009039 14:b167f2b97cb7 102 (intf_class == MSD_CLASS) &&
va009039 14:b167f2b97cb7 103 (intf_subclass == 0x06) &&
va009039 14:b167f2b97cb7 104 (intf_protocol == 0x50)) {
va009039 14:b167f2b97cb7 105 msd_intf = intf_nb;
va009039 14:b167f2b97cb7 106 return true;
va009039 14:b167f2b97cb7 107 }
va009039 14:b167f2b97cb7 108 return false;
va009039 14:b167f2b97cb7 109 }
va009039 14:b167f2b97cb7 110
va009039 14:b167f2b97cb7 111 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
va009039 14:b167f2b97cb7 112 {
va009039 14:b167f2b97cb7 113 if (intf_nb == msd_intf) {
va009039 14:b167f2b97cb7 114 if (type == BULK_ENDPOINT) {
va009039 14:b167f2b97cb7 115 nb_ep++;
va009039 14:b167f2b97cb7 116 if (nb_ep == 2)
va009039 14:b167f2b97cb7 117 msd_device_found = true;
va009039 14:b167f2b97cb7 118 return true;
va009039 14:b167f2b97cb7 119 }
va009039 14:b167f2b97cb7 120 }
va009039 14:b167f2b97cb7 121 return false;
va009039 14:b167f2b97cb7 122 }
va009039 14:b167f2b97cb7 123
va009039 14:b167f2b97cb7 124
va009039 14:b167f2b97cb7 125 int USBHostMSD::testUnitReady() {
va009039 14:b167f2b97cb7 126 USB_DBG("Test unit ready");
va009039 14:b167f2b97cb7 127 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
va009039 14:b167f2b97cb7 128 }
va009039 14:b167f2b97cb7 129
va009039 14:b167f2b97cb7 130
va009039 14:b167f2b97cb7 131 int USBHostMSD::readCapacity() {
va009039 14:b167f2b97cb7 132 USB_DBG("Read capacity");
va009039 14:b167f2b97cb7 133 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
va009039 14:b167f2b97cb7 134 uint8_t result[8];
va009039 14:b167f2b97cb7 135 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
va009039 14:b167f2b97cb7 136 if (status == 0) {
va009039 14:b167f2b97cb7 137 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
va009039 14:b167f2b97cb7 138 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
va009039 14:b167f2b97cb7 139 USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", dev, blockCount, blockSize, blockCount*blockSize);
va009039 14:b167f2b97cb7 140 }
va009039 14:b167f2b97cb7 141 return status;
va009039 14:b167f2b97cb7 142 }
va009039 14:b167f2b97cb7 143
va009039 14:b167f2b97cb7 144
va009039 14:b167f2b97cb7 145 int USBHostMSD::SCSIRequestSense() {
va009039 14:b167f2b97cb7 146 USB_DBG("Request sense");
va009039 14:b167f2b97cb7 147 uint8_t cmd[6] = {0x03,0,0,0,18,0};
va009039 14:b167f2b97cb7 148 uint8_t result[18];
va009039 14:b167f2b97cb7 149 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
va009039 14:b167f2b97cb7 150 return status;
va009039 14:b167f2b97cb7 151 }
va009039 14:b167f2b97cb7 152
va009039 14:b167f2b97cb7 153
va009039 14:b167f2b97cb7 154 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
va009039 14:b167f2b97cb7 155 USB_DBG("Inquiry");
va009039 14:b167f2b97cb7 156 uint8_t evpd = (page_code == 0) ? 0 : 1;
va009039 14:b167f2b97cb7 157 uint8_t cmd[6] = {0x12, uint8_t((lun << 5) | evpd), page_code, 0, 36, 0};
va009039 14:b167f2b97cb7 158 uint8_t result[36];
va009039 14:b167f2b97cb7 159 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
va009039 14:b167f2b97cb7 160 if (status == 0) {
va009039 14:b167f2b97cb7 161 char vid_pid[17];
va009039 14:b167f2b97cb7 162 memcpy(vid_pid, &result[8], 8);
va009039 14:b167f2b97cb7 163 vid_pid[8] = 0;
va009039 14:b167f2b97cb7 164 USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
va009039 14:b167f2b97cb7 165
va009039 14:b167f2b97cb7 166 memcpy(vid_pid, &result[16], 16);
va009039 14:b167f2b97cb7 167 vid_pid[16] = 0;
va009039 14:b167f2b97cb7 168 USB_INFO("MSD [dev: %p] - Product ID: %s", dev, vid_pid);
va009039 14:b167f2b97cb7 169
va009039 14:b167f2b97cb7 170 memcpy(vid_pid, &result[32], 4);
va009039 14:b167f2b97cb7 171 vid_pid[4] = 0;
va009039 14:b167f2b97cb7 172 USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
va009039 14:b167f2b97cb7 173 }
va009039 14:b167f2b97cb7 174 return status;
va009039 14:b167f2b97cb7 175 }
va009039 14:b167f2b97cb7 176
va009039 14:b167f2b97cb7 177 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
va009039 14:b167f2b97cb7 178 // if ep stalled: send clear feature
va009039 14:b167f2b97cb7 179 if (res == USB_TYPE_STALL_ERROR) {
va009039 14:b167f2b97cb7 180 res = host->controlWrite( dev,
va009039 14:b167f2b97cb7 181 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 14:b167f2b97cb7 182 CLEAR_FEATURE,
va009039 14:b167f2b97cb7 183 0, ep->getAddress(), NULL, 0);
va009039 14:b167f2b97cb7 184 // set state to IDLE if clear feature successful
va009039 14:b167f2b97cb7 185 if (res == USB_TYPE_OK) {
va009039 14:b167f2b97cb7 186 ep->setState(USB_TYPE_IDLE);
va009039 14:b167f2b97cb7 187 }
va009039 14:b167f2b97cb7 188 }
va009039 14:b167f2b97cb7 189
va009039 14:b167f2b97cb7 190 if (res != USB_TYPE_OK)
va009039 14:b167f2b97cb7 191 return -1;
va009039 14:b167f2b97cb7 192
va009039 14:b167f2b97cb7 193 return 0;
va009039 14:b167f2b97cb7 194 }
va009039 14:b167f2b97cb7 195
va009039 14:b167f2b97cb7 196
va009039 14:b167f2b97cb7 197 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
va009039 14:b167f2b97cb7 198
va009039 14:b167f2b97cb7 199 int res = 0;
va009039 14:b167f2b97cb7 200
va009039 14:b167f2b97cb7 201 cbw.Signature = CBW_SIGNATURE;
va009039 14:b167f2b97cb7 202 cbw.Tag = 0;
va009039 14:b167f2b97cb7 203 cbw.DataLength = transfer_len;
va009039 14:b167f2b97cb7 204 cbw.Flags = flags;
va009039 14:b167f2b97cb7 205 cbw.LUN = 0;
va009039 14:b167f2b97cb7 206 cbw.CBLength = cmd_len;
va009039 14:b167f2b97cb7 207 memset(cbw.CB,0,sizeof(cbw.CB));
va009039 14:b167f2b97cb7 208 if (cmd) {
va009039 14:b167f2b97cb7 209 memcpy(cbw.CB,cmd,cmd_len);
va009039 14:b167f2b97cb7 210 }
va009039 14:b167f2b97cb7 211
va009039 14:b167f2b97cb7 212 // send the cbw
va009039 14:b167f2b97cb7 213 USB_DBG("Send CBW");
va009039 14:b167f2b97cb7 214 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
va009039 14:b167f2b97cb7 215 if (checkResult(res, bulk_out))
va009039 14:b167f2b97cb7 216 return -1;
va009039 14:b167f2b97cb7 217
va009039 14:b167f2b97cb7 218 // data stage if needed
va009039 14:b167f2b97cb7 219 if (data) {
va009039 14:b167f2b97cb7 220 USB_DBG("data stage");
va009039 14:b167f2b97cb7 221 if (flags == HOST_TO_DEVICE) {
va009039 14:b167f2b97cb7 222
va009039 14:b167f2b97cb7 223 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
va009039 14:b167f2b97cb7 224 if (checkResult(res, bulk_out))
va009039 14:b167f2b97cb7 225 return -1;
va009039 14:b167f2b97cb7 226
va009039 14:b167f2b97cb7 227 } else if (flags == DEVICE_TO_HOST) {
va009039 14:b167f2b97cb7 228
va009039 14:b167f2b97cb7 229 res = host->bulkRead(dev, bulk_in, data, transfer_len);
va009039 14:b167f2b97cb7 230 if (checkResult(res, bulk_in))
va009039 14:b167f2b97cb7 231 return -1;
va009039 14:b167f2b97cb7 232 }
va009039 14:b167f2b97cb7 233 }
va009039 14:b167f2b97cb7 234
va009039 14:b167f2b97cb7 235 // status stage
va009039 14:b167f2b97cb7 236 csw.Signature = 0;
va009039 14:b167f2b97cb7 237 USB_DBG("Read CSW");
va009039 14:b167f2b97cb7 238 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
va009039 14:b167f2b97cb7 239 if (checkResult(res, bulk_in))
va009039 14:b167f2b97cb7 240 return -1;
va009039 14:b167f2b97cb7 241
va009039 14:b167f2b97cb7 242 if (csw.Signature != CSW_SIGNATURE) {
va009039 14:b167f2b97cb7 243 return -1;
va009039 14:b167f2b97cb7 244 }
va009039 14:b167f2b97cb7 245
va009039 14:b167f2b97cb7 246 USB_DBG("recv csw: status: %d", csw.Status);
va009039 14:b167f2b97cb7 247
va009039 14:b167f2b97cb7 248 // ModeSense?
va009039 14:b167f2b97cb7 249 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
va009039 14:b167f2b97cb7 250 USB_DBG("request mode sense");
va009039 14:b167f2b97cb7 251 return SCSIRequestSense();
va009039 14:b167f2b97cb7 252 }
va009039 14:b167f2b97cb7 253
va009039 14:b167f2b97cb7 254 // perform reset recovery
va009039 14:b167f2b97cb7 255 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
va009039 14:b167f2b97cb7 256
va009039 14:b167f2b97cb7 257 // send Bulk-Only Mass Storage Reset request
va009039 14:b167f2b97cb7 258 res = host->controlWrite( dev,
va009039 14:b167f2b97cb7 259 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
va009039 14:b167f2b97cb7 260 BO_MASS_STORAGE_RESET,
va009039 14:b167f2b97cb7 261 0, msd_intf, NULL, 0);
va009039 14:b167f2b97cb7 262
va009039 14:b167f2b97cb7 263 // unstall both endpoints
va009039 14:b167f2b97cb7 264 res = host->controlWrite( dev,
va009039 14:b167f2b97cb7 265 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 14:b167f2b97cb7 266 CLEAR_FEATURE,
va009039 14:b167f2b97cb7 267 0, bulk_in->getAddress(), NULL, 0);
va009039 14:b167f2b97cb7 268
va009039 14:b167f2b97cb7 269 res = host->controlWrite( dev,
va009039 14:b167f2b97cb7 270 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 14:b167f2b97cb7 271 CLEAR_FEATURE,
va009039 14:b167f2b97cb7 272 0, bulk_out->getAddress(), NULL, 0);
va009039 14:b167f2b97cb7 273
va009039 14:b167f2b97cb7 274 }
va009039 14:b167f2b97cb7 275
va009039 14:b167f2b97cb7 276 return csw.Status;
va009039 14:b167f2b97cb7 277 }
va009039 14:b167f2b97cb7 278
va009039 14:b167f2b97cb7 279
va009039 14:b167f2b97cb7 280 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
va009039 14:b167f2b97cb7 281 uint8_t cmd[10];
va009039 14:b167f2b97cb7 282 memset(cmd,0,10);
va009039 14:b167f2b97cb7 283 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
va009039 14:b167f2b97cb7 284
va009039 14:b167f2b97cb7 285 cmd[2] = (block >> 24) & 0xff;
va009039 14:b167f2b97cb7 286 cmd[3] = (block >> 16) & 0xff;
va009039 14:b167f2b97cb7 287 cmd[4] = (block >> 8) & 0xff;
va009039 14:b167f2b97cb7 288 cmd[5] = block & 0xff;
va009039 14:b167f2b97cb7 289
va009039 14:b167f2b97cb7 290 cmd[7] = (nbBlock >> 8) & 0xff;
va009039 14:b167f2b97cb7 291 cmd[8] = nbBlock & 0xff;
va009039 14:b167f2b97cb7 292
va009039 14:b167f2b97cb7 293 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
va009039 14:b167f2b97cb7 294 }
va009039 14:b167f2b97cb7 295
va009039 14:b167f2b97cb7 296 int USBHostMSD::getMaxLun() {
va009039 14:b167f2b97cb7 297 uint8_t buf[1], res;
va009039 14:b167f2b97cb7 298 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
va009039 14:b167f2b97cb7 299 0xfe, 0, msd_intf, buf, 1);
va009039 14:b167f2b97cb7 300 USB_DBG("max lun: %d", buf[0]);
va009039 14:b167f2b97cb7 301 return res;
va009039 14:b167f2b97cb7 302 }
va009039 14:b167f2b97cb7 303
va009039 14:b167f2b97cb7 304 int USBHostMSD::disk_initialize() {
va009039 14:b167f2b97cb7 305 USB_DBG("FILESYSTEM: init");
va009039 14:b167f2b97cb7 306 /* U16 */int i, timeout = 10;
va009039 14:b167f2b97cb7 307
va009039 14:b167f2b97cb7 308 getMaxLun();
va009039 14:b167f2b97cb7 309
va009039 14:b167f2b97cb7 310 for (i = 0; i < timeout; i++) {
va009039 14:b167f2b97cb7 311 wait_ms(100); //Thread::wait(100);
va009039 14:b167f2b97cb7 312 if (!testUnitReady())
va009039 14:b167f2b97cb7 313 break;
va009039 14:b167f2b97cb7 314 }
va009039 14:b167f2b97cb7 315
va009039 14:b167f2b97cb7 316 if (i == timeout) {
va009039 14:b167f2b97cb7 317 disk_init = false;
va009039 14:b167f2b97cb7 318 return -1;
va009039 14:b167f2b97cb7 319 }
va009039 14:b167f2b97cb7 320
va009039 14:b167f2b97cb7 321 inquiry(0, 0);
va009039 14:b167f2b97cb7 322 disk_init = 1;
va009039 14:b167f2b97cb7 323 return readCapacity();
va009039 14:b167f2b97cb7 324 }
va009039 14:b167f2b97cb7 325
va009039 20:9827f135ccb6 326 int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t sector, uint8_t count) {
va009039 20:9827f135ccb6 327 USB_DBG("FILESYSTEM: write sector: %lld, count: %d", sector, count);
va009039 14:b167f2b97cb7 328 if (!disk_init) {
va009039 14:b167f2b97cb7 329 disk_initialize();
va009039 14:b167f2b97cb7 330 }
va009039 14:b167f2b97cb7 331 if (!disk_init)
va009039 14:b167f2b97cb7 332 return -1;
va009039 20:9827f135ccb6 333 return dataTransfer((uint8_t *)buffer, sector, count, HOST_TO_DEVICE);
va009039 14:b167f2b97cb7 334 }
va009039 14:b167f2b97cb7 335
va009039 20:9827f135ccb6 336 int USBHostMSD::disk_read(uint8_t * buffer, uint64_t sector, uint8_t count) {
va009039 20:9827f135ccb6 337 USB_DBG("FILESYSTEM: read sector: %lld, count: %d", sector, count);
va009039 14:b167f2b97cb7 338 if (!disk_init) {
va009039 14:b167f2b97cb7 339 disk_initialize();
va009039 14:b167f2b97cb7 340 }
va009039 14:b167f2b97cb7 341 if (!disk_init)
va009039 14:b167f2b97cb7 342 return -1;
va009039 20:9827f135ccb6 343 return dataTransfer((uint8_t *)buffer, sector, count, DEVICE_TO_HOST);
va009039 14:b167f2b97cb7 344 }
va009039 14:b167f2b97cb7 345
va009039 14:b167f2b97cb7 346 uint64_t USBHostMSD::disk_sectors() {
va009039 14:b167f2b97cb7 347 USB_DBG("FILESYSTEM: sectors");
va009039 14:b167f2b97cb7 348 if (!disk_init) {
va009039 14:b167f2b97cb7 349 disk_initialize();
va009039 14:b167f2b97cb7 350 }
va009039 14:b167f2b97cb7 351 if (!disk_init)
va009039 14:b167f2b97cb7 352 return 0;
va009039 14:b167f2b97cb7 353 return blockCount;
va009039 14:b167f2b97cb7 354 }
va009039 14:b167f2b97cb7 355
va009039 14:b167f2b97cb7 356 #endif