Justin S / F401RE-USBHost

modified to compile for me

Dependencies:   FATFileSystem

Dependents:   N64_Output_XPAD

Fork of F401RE-USBHost by Norimasa Okamoto

USBHostMSD/USBHostMSD.cpp@14:b167f2b97cb7, 2014-06-13 (annotated)

Committer:
va009039
Date:
Fri Jun 13 08:21:22 2014 +0900
Revision:
14:b167f2b97cb7
Child:
20:9827f135ccb6
fix token out.

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
va009039 14:b167f2b97cb7 32 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
va009039 14:b167f2b97cb7 33 {
va009039 14:b167f2b97cb7 34 host = USBHost::getHostInst();
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 14:b167f2b97cb7 326 int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t block_number) {
va009039 14:b167f2b97cb7 327 USB_DBG("FILESYSTEM: write block: %lld", block_number);
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 14:b167f2b97cb7 333 return dataTransfer((uint8_t *)buffer, block_number, 1, HOST_TO_DEVICE);
va009039 14:b167f2b97cb7 334 }
va009039 14:b167f2b97cb7 335
va009039 14:b167f2b97cb7 336 int USBHostMSD::disk_read(uint8_t * buffer, uint64_t block_number) {
va009039 14:b167f2b97cb7 337 USB_DBG("FILESYSTEM: read block %lld", block_number);
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 14:b167f2b97cb7 343 return dataTransfer((uint8_t *)buffer, block_number, 1, 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