Dieter Graef / USBHost_DISCO-F746NG

Simple USBHost library for STM32F746NG Discovery board. Only either the Fastspeed or the Highspeed port can be used( not both together)

Dependents:   DISCO-F746NG_USB_Host

Fork of KL46Z-USBHost by Norimasa Okamoto

USBHostMSD/USBHostMSD.cpp@9:7f9f64cf5ded, 2014-02-03 (annotated)

Committer:
va009039
Date:
Mon Feb 03 13:00:16 2014 +0000
Revision:
9:7f9f64cf5ded
Parent:
8:6463cd1964c0 
add interrupt write transfer.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 9:7f9f64cf5ded 1 /* mbed USBHost Library
va009039 9:7f9f64cf5ded 2 * Copyright (c) 2006-2013 ARM Limited
va009039 9:7f9f64cf5ded 3 *
va009039 9:7f9f64cf5ded 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 9:7f9f64cf5ded 5 * you may not use this file except in compliance with the License.
va009039 9:7f9f64cf5ded 6 * You may obtain a copy of the License at
va009039 9:7f9f64cf5ded 7 *
va009039 9:7f9f64cf5ded 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 9:7f9f64cf5ded 9 *
va009039 9:7f9f64cf5ded 10 * Unless required by applicable law or agreed to in writing, software
va009039 9:7f9f64cf5ded 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 9:7f9f64cf5ded 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 9:7f9f64cf5ded 13 * See the License for the specific language governing permissions and
va009039 9:7f9f64cf5ded 14 * limitations under the License.
va009039 9:7f9f64cf5ded 15 */
va009039 9:7f9f64cf5ded 16
va009039 9:7f9f64cf5ded 17 #include "USBHostMSD.h"
va009039 9:7f9f64cf5ded 18
va009039 9:7f9f64cf5ded 19 #if USBHOST_MSD
va009039 9:7f9f64cf5ded 20
va009039 9:7f9f64cf5ded 21 #include "dbg.h"
va009039 9:7f9f64cf5ded 22
va009039 9:7f9f64cf5ded 23 #define CBW_SIGNATURE 0x43425355
va009039 9:7f9f64cf5ded 24 #define CSW_SIGNATURE 0x53425355
va009039 9:7f9f64cf5ded 25
va009039 9:7f9f64cf5ded 26 #define DEVICE_TO_HOST 0x80
va009039 9:7f9f64cf5ded 27 #define HOST_TO_DEVICE 0x00
va009039 9:7f9f64cf5ded 28
va009039 9:7f9f64cf5ded 29 #define GET_MAX_LUN (0xFE)
va009039 9:7f9f64cf5ded 30 #define BO_MASS_STORAGE_RESET (0xFF)
va009039 9:7f9f64cf5ded 31
va009039 9:7f9f64cf5ded 32 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
va009039 9:7f9f64cf5ded 33 {
va009039 9:7f9f64cf5ded 34 host = USBHost::getHostInst();
va009039 9:7f9f64cf5ded 35 init();
va009039 9:7f9f64cf5ded 36 }
va009039 9:7f9f64cf5ded 37
va009039 9:7f9f64cf5ded 38 void USBHostMSD::init() {
va009039 9:7f9f64cf5ded 39 dev_connected = false;
va009039 9:7f9f64cf5ded 40 dev = NULL;
va009039 9:7f9f64cf5ded 41 bulk_in = NULL;
va009039 9:7f9f64cf5ded 42 bulk_out = NULL;
va009039 9:7f9f64cf5ded 43 dev_connected = false;
va009039 9:7f9f64cf5ded 44 blockSize = 0;
va009039 9:7f9f64cf5ded 45 blockCount = 0;
va009039 9:7f9f64cf5ded 46 msd_intf = -1;
va009039 9:7f9f64cf5ded 47 msd_device_found = false;
va009039 9:7f9f64cf5ded 48 disk_init = false;
va009039 9:7f9f64cf5ded 49 dev_connected = false;
va009039 9:7f9f64cf5ded 50 nb_ep = 0;
va009039 9:7f9f64cf5ded 51 }
va009039 9:7f9f64cf5ded 52
va009039 9:7f9f64cf5ded 53
va009039 9:7f9f64cf5ded 54 bool USBHostMSD::connected()
va009039 9:7f9f64cf5ded 55 {
va009039 9:7f9f64cf5ded 56 return dev_connected;
va009039 9:7f9f64cf5ded 57 }
va009039 9:7f9f64cf5ded 58
va009039 9:7f9f64cf5ded 59 bool USBHostMSD::connect()
va009039 9:7f9f64cf5ded 60 {
va009039 9:7f9f64cf5ded 61
va009039 9:7f9f64cf5ded 62 if (dev_connected) {
va009039 9:7f9f64cf5ded 63 return true;
va009039 9:7f9f64cf5ded 64 }
va009039 9:7f9f64cf5ded 65
va009039 9:7f9f64cf5ded 66 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 9:7f9f64cf5ded 67 if ((dev = host->getDevice(i)) != NULL) {
va009039 9:7f9f64cf5ded 68
va009039 9:7f9f64cf5ded 69 USB_DBG("Trying to connect MSD device\r\n");
va009039 9:7f9f64cf5ded 70
va009039 9:7f9f64cf5ded 71 if(host->enumerate(dev, this))
va009039 9:7f9f64cf5ded 72 break;
va009039 9:7f9f64cf5ded 73
va009039 9:7f9f64cf5ded 74 if (msd_device_found) {
va009039 9:7f9f64cf5ded 75 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
va009039 9:7f9f64cf5ded 76 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
va009039 9:7f9f64cf5ded 77
va009039 9:7f9f64cf5ded 78 if (!bulk_in || !bulk_out)
va009039 9:7f9f64cf5ded 79 continue;
va009039 9:7f9f64cf5ded 80
va009039 9:7f9f64cf5ded 81 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
va009039 9:7f9f64cf5ded 82 dev->setName("MSD", msd_intf);
va009039 9:7f9f64cf5ded 83 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
va009039 9:7f9f64cf5ded 84
va009039 9:7f9f64cf5ded 85 dev_connected = true;
va009039 9:7f9f64cf5ded 86 return true;
va009039 9:7f9f64cf5ded 87 }
va009039 9:7f9f64cf5ded 88 } //if()
va009039 9:7f9f64cf5ded 89 } //for()
va009039 9:7f9f64cf5ded 90 init();
va009039 9:7f9f64cf5ded 91 return false;
va009039 9:7f9f64cf5ded 92 }
va009039 9:7f9f64cf5ded 93
va009039 9:7f9f64cf5ded 94 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
va009039 9:7f9f64cf5ded 95 {
va009039 9:7f9f64cf5ded 96 // we don't check VID/PID for MSD driver
va009039 9:7f9f64cf5ded 97 }
va009039 9:7f9f64cf5ded 98
va009039 9:7f9f64cf5ded 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 9:7f9f64cf5ded 100 {
va009039 9:7f9f64cf5ded 101 if ((msd_intf == -1) &&
va009039 9:7f9f64cf5ded 102 (intf_class == MSD_CLASS) &&
va009039 9:7f9f64cf5ded 103 (intf_subclass == 0x06) &&
va009039 9:7f9f64cf5ded 104 (intf_protocol == 0x50)) {
va009039 9:7f9f64cf5ded 105 msd_intf = intf_nb;
va009039 9:7f9f64cf5ded 106 return true;
va009039 9:7f9f64cf5ded 107 }
va009039 9:7f9f64cf5ded 108 return false;
va009039 9:7f9f64cf5ded 109 }
va009039 9:7f9f64cf5ded 110
va009039 9:7f9f64cf5ded 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 9:7f9f64cf5ded 112 {
va009039 9:7f9f64cf5ded 113 if (intf_nb == msd_intf) {
va009039 9:7f9f64cf5ded 114 if (type == BULK_ENDPOINT) {
va009039 9:7f9f64cf5ded 115 nb_ep++;
va009039 9:7f9f64cf5ded 116 if (nb_ep == 2)
va009039 9:7f9f64cf5ded 117 msd_device_found = true;
va009039 9:7f9f64cf5ded 118 return true;
va009039 9:7f9f64cf5ded 119 }
va009039 9:7f9f64cf5ded 120 }
va009039 9:7f9f64cf5ded 121 return false;
va009039 9:7f9f64cf5ded 122 }
va009039 9:7f9f64cf5ded 123
va009039 9:7f9f64cf5ded 124
va009039 9:7f9f64cf5ded 125 int USBHostMSD::testUnitReady() {
va009039 9:7f9f64cf5ded 126 USB_DBG("Test unit ready");
va009039 9:7f9f64cf5ded 127 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
va009039 9:7f9f64cf5ded 128 }
va009039 9:7f9f64cf5ded 129
va009039 9:7f9f64cf5ded 130
va009039 9:7f9f64cf5ded 131 int USBHostMSD::readCapacity() {
va009039 9:7f9f64cf5ded 132 USB_DBG("Read capacity");
va009039 9:7f9f64cf5ded 133 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
va009039 9:7f9f64cf5ded 134 uint8_t result[8];
va009039 9:7f9f64cf5ded 135 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
va009039 9:7f9f64cf5ded 136 if (status == 0) {
va009039 9:7f9f64cf5ded 137 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
va009039 9:7f9f64cf5ded 138 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
va009039 9:7f9f64cf5ded 139 USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", dev, blockCount, blockSize, blockCount*blockSize);
va009039 9:7f9f64cf5ded 140 }
va009039 9:7f9f64cf5ded 141 return status;
va009039 9:7f9f64cf5ded 142 }
va009039 9:7f9f64cf5ded 143
va009039 9:7f9f64cf5ded 144
va009039 9:7f9f64cf5ded 145 int USBHostMSD::SCSIRequestSense() {
va009039 9:7f9f64cf5ded 146 USB_DBG("Request sense");
va009039 9:7f9f64cf5ded 147 uint8_t cmd[6] = {0x03,0,0,0,18,0};
va009039 9:7f9f64cf5ded 148 uint8_t result[18];
va009039 9:7f9f64cf5ded 149 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
va009039 9:7f9f64cf5ded 150 return status;
va009039 9:7f9f64cf5ded 151 }
va009039 9:7f9f64cf5ded 152
va009039 9:7f9f64cf5ded 153
va009039 9:7f9f64cf5ded 154 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
va009039 9:7f9f64cf5ded 155 USB_DBG("Inquiry");
va009039 9:7f9f64cf5ded 156 uint8_t evpd = (page_code == 0) ? 0 : 1;
va009039 9:7f9f64cf5ded 157 uint8_t cmd[6] = {0x12, uint8_t((lun << 5) | evpd), page_code, 0, 36, 0};
va009039 9:7f9f64cf5ded 158 uint8_t result[36];
va009039 9:7f9f64cf5ded 159 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
va009039 9:7f9f64cf5ded 160 if (status == 0) {
va009039 9:7f9f64cf5ded 161 char vid_pid[17];
va009039 9:7f9f64cf5ded 162 memcpy(vid_pid, &result[8], 8);
va009039 9:7f9f64cf5ded 163 vid_pid[8] = 0;
va009039 9:7f9f64cf5ded 164 USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
va009039 9:7f9f64cf5ded 165
va009039 9:7f9f64cf5ded 166 memcpy(vid_pid, &result[16], 16);
va009039 9:7f9f64cf5ded 167 vid_pid[16] = 0;
va009039 9:7f9f64cf5ded 168 USB_INFO("MSD [dev: %p] - Product ID: %s", dev, vid_pid);
va009039 9:7f9f64cf5ded 169
va009039 9:7f9f64cf5ded 170 memcpy(vid_pid, &result[32], 4);
va009039 9:7f9f64cf5ded 171 vid_pid[4] = 0;
va009039 9:7f9f64cf5ded 172 USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
va009039 9:7f9f64cf5ded 173 }
va009039 9:7f9f64cf5ded 174 return status;
va009039 9:7f9f64cf5ded 175 }
va009039 9:7f9f64cf5ded 176
va009039 9:7f9f64cf5ded 177 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
va009039 9:7f9f64cf5ded 178 // if ep stalled: send clear feature
va009039 9:7f9f64cf5ded 179 if (res == USB_TYPE_STALL_ERROR) {
va009039 9:7f9f64cf5ded 180 res = host->controlWrite( dev,
va009039 9:7f9f64cf5ded 181 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 9:7f9f64cf5ded 182 CLEAR_FEATURE,
va009039 9:7f9f64cf5ded 183 0, ep->getAddress(), NULL, 0);
va009039 9:7f9f64cf5ded 184 // set state to IDLE if clear feature successful
va009039 9:7f9f64cf5ded 185 if (res == USB_TYPE_OK) {
va009039 9:7f9f64cf5ded 186 ep->setState(USB_TYPE_IDLE);
va009039 9:7f9f64cf5ded 187 }
va009039 9:7f9f64cf5ded 188 }
va009039 9:7f9f64cf5ded 189
va009039 9:7f9f64cf5ded 190 if (res != USB_TYPE_OK)
va009039 9:7f9f64cf5ded 191 return -1;
va009039 9:7f9f64cf5ded 192
va009039 9:7f9f64cf5ded 193 return 0;
va009039 9:7f9f64cf5ded 194 }
va009039 9:7f9f64cf5ded 195
va009039 9:7f9f64cf5ded 196
va009039 9:7f9f64cf5ded 197 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
va009039 9:7f9f64cf5ded 198
va009039 9:7f9f64cf5ded 199 int res = 0;
va009039 9:7f9f64cf5ded 200
va009039 9:7f9f64cf5ded 201 cbw.Signature = CBW_SIGNATURE;
va009039 9:7f9f64cf5ded 202 cbw.Tag = 0;
va009039 9:7f9f64cf5ded 203 cbw.DataLength = transfer_len;
va009039 9:7f9f64cf5ded 204 cbw.Flags = flags;
va009039 9:7f9f64cf5ded 205 cbw.LUN = 0;
va009039 9:7f9f64cf5ded 206 cbw.CBLength = cmd_len;
va009039 9:7f9f64cf5ded 207 memset(cbw.CB,0,sizeof(cbw.CB));
va009039 9:7f9f64cf5ded 208 if (cmd) {
va009039 9:7f9f64cf5ded 209 memcpy(cbw.CB,cmd,cmd_len);
va009039 9:7f9f64cf5ded 210 }
va009039 9:7f9f64cf5ded 211
va009039 9:7f9f64cf5ded 212 // send the cbw
va009039 9:7f9f64cf5ded 213 USB_DBG("Send CBW");
va009039 9:7f9f64cf5ded 214 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
va009039 9:7f9f64cf5ded 215 if (checkResult(res, bulk_out))
va009039 9:7f9f64cf5ded 216 return -1;
va009039 9:7f9f64cf5ded 217
va009039 9:7f9f64cf5ded 218 // data stage if needed
va009039 9:7f9f64cf5ded 219 if (data) {
va009039 9:7f9f64cf5ded 220 USB_DBG("data stage");
va009039 9:7f9f64cf5ded 221 if (flags == HOST_TO_DEVICE) {
va009039 9:7f9f64cf5ded 222
va009039 9:7f9f64cf5ded 223 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
va009039 9:7f9f64cf5ded 224 if (checkResult(res, bulk_out))
va009039 9:7f9f64cf5ded 225 return -1;
va009039 9:7f9f64cf5ded 226
va009039 9:7f9f64cf5ded 227 } else if (flags == DEVICE_TO_HOST) {
va009039 9:7f9f64cf5ded 228
va009039 9:7f9f64cf5ded 229 res = host->bulkRead(dev, bulk_in, data, transfer_len);
va009039 9:7f9f64cf5ded 230 if (checkResult(res, bulk_in))
va009039 9:7f9f64cf5ded 231 return -1;
va009039 9:7f9f64cf5ded 232 }
va009039 9:7f9f64cf5ded 233 }
va009039 9:7f9f64cf5ded 234
va009039 9:7f9f64cf5ded 235 // status stage
va009039 9:7f9f64cf5ded 236 csw.Signature = 0;
va009039 9:7f9f64cf5ded 237 USB_DBG("Read CSW");
va009039 9:7f9f64cf5ded 238 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
va009039 9:7f9f64cf5ded 239 if (checkResult(res, bulk_in))
va009039 9:7f9f64cf5ded 240 return -1;
va009039 9:7f9f64cf5ded 241
va009039 9:7f9f64cf5ded 242 if (csw.Signature != CSW_SIGNATURE) {
va009039 9:7f9f64cf5ded 243 return -1;
va009039 9:7f9f64cf5ded 244 }
va009039 9:7f9f64cf5ded 245
va009039 9:7f9f64cf5ded 246 USB_DBG("recv csw: status: %d", csw.Status);
va009039 9:7f9f64cf5ded 247
va009039 9:7f9f64cf5ded 248 // ModeSense?
va009039 9:7f9f64cf5ded 249 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
va009039 9:7f9f64cf5ded 250 USB_DBG("request mode sense");
va009039 9:7f9f64cf5ded 251 return SCSIRequestSense();
va009039 9:7f9f64cf5ded 252 }
va009039 9:7f9f64cf5ded 253
va009039 9:7f9f64cf5ded 254 // perform reset recovery
va009039 9:7f9f64cf5ded 255 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
va009039 9:7f9f64cf5ded 256
va009039 9:7f9f64cf5ded 257 // send Bulk-Only Mass Storage Reset request
va009039 9:7f9f64cf5ded 258 res = host->controlWrite( dev,
va009039 9:7f9f64cf5ded 259 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
va009039 9:7f9f64cf5ded 260 BO_MASS_STORAGE_RESET,
va009039 9:7f9f64cf5ded 261 0, msd_intf, NULL, 0);
va009039 9:7f9f64cf5ded 262
va009039 9:7f9f64cf5ded 263 // unstall both endpoints
va009039 9:7f9f64cf5ded 264 res = host->controlWrite( dev,
va009039 9:7f9f64cf5ded 265 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 9:7f9f64cf5ded 266 CLEAR_FEATURE,
va009039 9:7f9f64cf5ded 267 0, bulk_in->getAddress(), NULL, 0);
va009039 9:7f9f64cf5ded 268
va009039 9:7f9f64cf5ded 269 res = host->controlWrite( dev,
va009039 9:7f9f64cf5ded 270 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 9:7f9f64cf5ded 271 CLEAR_FEATURE,
va009039 9:7f9f64cf5ded 272 0, bulk_out->getAddress(), NULL, 0);
va009039 9:7f9f64cf5ded 273
va009039 9:7f9f64cf5ded 274 }
va009039 9:7f9f64cf5ded 275
va009039 9:7f9f64cf5ded 276 return csw.Status;
va009039 9:7f9f64cf5ded 277 }
va009039 9:7f9f64cf5ded 278
va009039 9:7f9f64cf5ded 279
va009039 9:7f9f64cf5ded 280 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
va009039 9:7f9f64cf5ded 281 uint8_t cmd[10];
va009039 9:7f9f64cf5ded 282 memset(cmd,0,10);
va009039 9:7f9f64cf5ded 283 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
va009039 9:7f9f64cf5ded 284
va009039 9:7f9f64cf5ded 285 cmd[2] = (block >> 24) & 0xff;
va009039 9:7f9f64cf5ded 286 cmd[3] = (block >> 16) & 0xff;
va009039 9:7f9f64cf5ded 287 cmd[4] = (block >> 8) & 0xff;
va009039 9:7f9f64cf5ded 288 cmd[5] = block & 0xff;
va009039 9:7f9f64cf5ded 289
va009039 9:7f9f64cf5ded 290 cmd[7] = (nbBlock >> 8) & 0xff;
va009039 9:7f9f64cf5ded 291 cmd[8] = nbBlock & 0xff;
va009039 9:7f9f64cf5ded 292
va009039 9:7f9f64cf5ded 293 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
va009039 9:7f9f64cf5ded 294 }
va009039 9:7f9f64cf5ded 295
va009039 9:7f9f64cf5ded 296 int USBHostMSD::getMaxLun() {
va009039 9:7f9f64cf5ded 297 uint8_t buf[1], res;
va009039 9:7f9f64cf5ded 298 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
va009039 9:7f9f64cf5ded 299 0xfe, 0, msd_intf, buf, 1);
va009039 9:7f9f64cf5ded 300 USB_DBG("max lun: %d", buf[0]);
va009039 9:7f9f64cf5ded 301 return res;
va009039 9:7f9f64cf5ded 302 }
va009039 9:7f9f64cf5ded 303
va009039 9:7f9f64cf5ded 304 int USBHostMSD::disk_initialize() {
va009039 9:7f9f64cf5ded 305 USB_DBG("FILESYSTEM: init");
va009039 9:7f9f64cf5ded 306 /* U16 */int i, timeout = 10;
va009039 9:7f9f64cf5ded 307
va009039 9:7f9f64cf5ded 308 getMaxLun();
va009039 9:7f9f64cf5ded 309
va009039 9:7f9f64cf5ded 310 for (i = 0; i < timeout; i++) {
va009039 9:7f9f64cf5ded 311 wait_ms(100); //Thread::wait(100);
va009039 9:7f9f64cf5ded 312 if (!testUnitReady())
va009039 9:7f9f64cf5ded 313 break;
va009039 9:7f9f64cf5ded 314 }
va009039 9:7f9f64cf5ded 315
va009039 9:7f9f64cf5ded 316 if (i == timeout) {
va009039 9:7f9f64cf5ded 317 disk_init = false;
va009039 9:7f9f64cf5ded 318 return -1;
va009039 9:7f9f64cf5ded 319 }
va009039 9:7f9f64cf5ded 320
va009039 9:7f9f64cf5ded 321 inquiry(0, 0);
va009039 9:7f9f64cf5ded 322 disk_init = 1;
va009039 9:7f9f64cf5ded 323 return readCapacity();
va009039 9:7f9f64cf5ded 324 }
va009039 9:7f9f64cf5ded 325
va009039 9:7f9f64cf5ded 326 int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t block_number) {
va009039 9:7f9f64cf5ded 327 USB_DBG("FILESYSTEM: write block: %lld", block_number);
va009039 9:7f9f64cf5ded 328 if (!disk_init) {
va009039 9:7f9f64cf5ded 329 disk_initialize();
va009039 9:7f9f64cf5ded 330 }
va009039 9:7f9f64cf5ded 331 if (!disk_init)
va009039 9:7f9f64cf5ded 332 return -1;
va009039 9:7f9f64cf5ded 333 return dataTransfer((uint8_t *)buffer, block_number, 1, HOST_TO_DEVICE);
va009039 9:7f9f64cf5ded 334 }
va009039 9:7f9f64cf5ded 335
va009039 9:7f9f64cf5ded 336 int USBHostMSD::disk_read(uint8_t * buffer, uint64_t block_number) {
va009039 9:7f9f64cf5ded 337 USB_DBG("FILESYSTEM: read block %lld", block_number);
va009039 9:7f9f64cf5ded 338 if (!disk_init) {
va009039 9:7f9f64cf5ded 339 disk_initialize();
va009039 9:7f9f64cf5ded 340 }
va009039 9:7f9f64cf5ded 341 if (!disk_init)
va009039 9:7f9f64cf5ded 342 return -1;
va009039 9:7f9f64cf5ded 343 return dataTransfer((uint8_t *)buffer, block_number, 1, DEVICE_TO_HOST);
va009039 9:7f9f64cf5ded 344 }
va009039 9:7f9f64cf5ded 345
va009039 9:7f9f64cf5ded 346 uint64_t USBHostMSD::disk_sectors() {
va009039 9:7f9f64cf5ded 347 USB_DBG("FILESYSTEM: sectors");
va009039 9:7f9f64cf5ded 348 if (!disk_init) {
va009039 9:7f9f64cf5ded 349 disk_initialize();
va009039 9:7f9f64cf5ded 350 }
va009039 9:7f9f64cf5ded 351 if (!disk_init)
va009039 9:7f9f64cf5ded 352 return 0;
va009039 9:7f9f64cf5ded 353 return blockCount;
va009039 9:7f9f64cf5ded 354 }
va009039 9:7f9f64cf5ded 355
va009039 9:7f9f64cf5ded 356 #endif