Axeda Corp / Mbed 2 deprecated AxedaGo-Freescal_FRDM-KL46Z revert

Axeda Ready Demo for Freescale FRDM-KL46Z as accident alert system

Dependencies:   FRDM_MMA8451Q KL46Z-USBHost MAG3110 SocketModem TSI mbed FATFileSystem

Fork of AxedaGo-Freescal_FRDM-KL46Z revert by Axeda Corp

KL46Z-USBHost/USBHostMSD/USBHostMSD.cpp@1:5ad12c581db4, 2014-07-02 (annotated)

Committer:
AxedaCorp
Date:
Wed Jul 02 15:59:38 2014 +0000
Revision:
1:5ad12c581db4
Parent:
0:65004368569c 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
AxedaCorp 0:65004368569c 1 /* mbed USBHost Library
AxedaCorp 0:65004368569c 2 * Copyright (c) 2006-2013 ARM Limited
AxedaCorp 0:65004368569c 3 *
AxedaCorp 0:65004368569c 4 * Licensed under the Apache License, Version 2.0 (the "License");
AxedaCorp 0:65004368569c 5 * you may not use this file except in compliance with the License.
AxedaCorp 0:65004368569c 6 * You may obtain a copy of the License at
AxedaCorp 0:65004368569c 7 *
AxedaCorp 0:65004368569c 8 * http://www.apache.org/licenses/LICENSE-2.0
AxedaCorp 0:65004368569c 9 *
AxedaCorp 0:65004368569c 10 * Unless required by applicable law or agreed to in writing, software
AxedaCorp 0:65004368569c 11 * distributed under the License is distributed on an "AS IS" BASIS,
AxedaCorp 0:65004368569c 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AxedaCorp 0:65004368569c 13 * See the License for the specific language governing permissions and
AxedaCorp 0:65004368569c 14 * limitations under the License.
AxedaCorp 0:65004368569c 15 */
AxedaCorp 0:65004368569c 16
AxedaCorp 0:65004368569c 17 #include "USBHostMSD.h"
AxedaCorp 0:65004368569c 18
AxedaCorp 0:65004368569c 19 #define CBW_SIGNATURE 0x43425355
AxedaCorp 0:65004368569c 20 #define CSW_SIGNATURE 0x53425355
AxedaCorp 0:65004368569c 21
AxedaCorp 0:65004368569c 22 #define DEVICE_TO_HOST 0x80
AxedaCorp 0:65004368569c 23 #define HOST_TO_DEVICE 0x00
AxedaCorp 0:65004368569c 24
AxedaCorp 0:65004368569c 25 #define GET_MAX_LUN (0xFE)
AxedaCorp 0:65004368569c 26 #define BO_MASS_STORAGE_RESET (0xFF)
AxedaCorp 0:65004368569c 27
AxedaCorp 0:65004368569c 28 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
AxedaCorp 0:65004368569c 29 {
AxedaCorp 0:65004368569c 30 host = USBHost::getHostInst();
AxedaCorp 0:65004368569c 31 init();
AxedaCorp 0:65004368569c 32 }
AxedaCorp 0:65004368569c 33
AxedaCorp 0:65004368569c 34 void USBHostMSD::init() {
AxedaCorp 0:65004368569c 35 dev_connected = false;
AxedaCorp 0:65004368569c 36 dev = NULL;
AxedaCorp 0:65004368569c 37 bulk_in = NULL;
AxedaCorp 0:65004368569c 38 bulk_out = NULL;
AxedaCorp 0:65004368569c 39 dev_connected = false;
AxedaCorp 0:65004368569c 40 blockSize = 0;
AxedaCorp 0:65004368569c 41 blockCount = 0;
AxedaCorp 0:65004368569c 42 msd_intf = -1;
AxedaCorp 0:65004368569c 43 msd_device_found = false;
AxedaCorp 0:65004368569c 44 disk_init = false;
AxedaCorp 0:65004368569c 45 dev_connected = false;
AxedaCorp 0:65004368569c 46 nb_ep = 0;
AxedaCorp 0:65004368569c 47 }
AxedaCorp 0:65004368569c 48
AxedaCorp 0:65004368569c 49 bool USBHostMSD::connected()
AxedaCorp 0:65004368569c 50 {
AxedaCorp 0:65004368569c 51 return dev_connected;
AxedaCorp 0:65004368569c 52 }
AxedaCorp 0:65004368569c 53
AxedaCorp 0:65004368569c 54 bool USBHostMSD::connect()
AxedaCorp 0:65004368569c 55 {
AxedaCorp 0:65004368569c 56 if (dev_connected) {
AxedaCorp 0:65004368569c 57 return true;
AxedaCorp 0:65004368569c 58 }
AxedaCorp 0:65004368569c 59
AxedaCorp 0:65004368569c 60 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
AxedaCorp 0:65004368569c 61 if ((dev = host->getDevice(i)) != NULL) {
AxedaCorp 0:65004368569c 62
AxedaCorp 0:65004368569c 63 //USB_DBG("Trying to connect MSD device dev=%p\n", dev);
AxedaCorp 0:65004368569c 64
AxedaCorp 0:65004368569c 65 if(host->enumerate(dev, this))
AxedaCorp 0:65004368569c 66 break;
AxedaCorp 0:65004368569c 67
AxedaCorp 0:65004368569c 68 if (msd_device_found) {
AxedaCorp 0:65004368569c 69 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
AxedaCorp 0:65004368569c 70 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
AxedaCorp 0:65004368569c 71
AxedaCorp 0:65004368569c 72 if (!bulk_in || !bulk_out)
AxedaCorp 0:65004368569c 73 continue;
AxedaCorp 0:65004368569c 74
AxedaCorp 0:65004368569c 75 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
AxedaCorp 0:65004368569c 76 dev->setName("MSD", msd_intf);
AxedaCorp 0:65004368569c 77 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
AxedaCorp 0:65004368569c 78
AxedaCorp 0:65004368569c 79 dev_connected = true;
AxedaCorp 0:65004368569c 80 return true;
AxedaCorp 0:65004368569c 81 }
AxedaCorp 0:65004368569c 82 } //if()
AxedaCorp 0:65004368569c 83 } //for()
AxedaCorp 0:65004368569c 84 init();
AxedaCorp 0:65004368569c 85 return false;
AxedaCorp 0:65004368569c 86 }
AxedaCorp 0:65004368569c 87
AxedaCorp 0:65004368569c 88 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
AxedaCorp 0:65004368569c 89 {
AxedaCorp 0:65004368569c 90 USB_DBG2("vid:%04x pid:%04x", vid, pid);
AxedaCorp 0:65004368569c 91 // we don't check VID/PID for MSD driver
AxedaCorp 0:65004368569c 92 }
AxedaCorp 0:65004368569c 93
AxedaCorp 0:65004368569c 94 /*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
AxedaCorp 0:65004368569c 95 {
AxedaCorp 0:65004368569c 96 USB_DBG2("intf: %d class: %02x %02x %02x", intf_nb, intf_class, intf_subclass, intf_protocol);
AxedaCorp 0:65004368569c 97
AxedaCorp 0:65004368569c 98 if ((msd_intf == -1) &&
AxedaCorp 0:65004368569c 99 (intf_class == MSD_CLASS) &&
AxedaCorp 0:65004368569c 100 (intf_subclass == 0x06) &&
AxedaCorp 0:65004368569c 101 (intf_protocol == 0x50)) {
AxedaCorp 0:65004368569c 102 msd_intf = intf_nb;
AxedaCorp 0:65004368569c 103 return true;
AxedaCorp 0:65004368569c 104 }
AxedaCorp 0:65004368569c 105 return false;
AxedaCorp 0:65004368569c 106 }
AxedaCorp 0:65004368569c 107
AxedaCorp 0:65004368569c 108 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
AxedaCorp 0:65004368569c 109 {
AxedaCorp 0:65004368569c 110 USB_DBG2("intf_nb=%d type=%d dir=%d", intf_nb, type, dir);
AxedaCorp 0:65004368569c 111 if (intf_nb == msd_intf) {
AxedaCorp 0:65004368569c 112 if (type == BULK_ENDPOINT) {
AxedaCorp 0:65004368569c 113 nb_ep++;
AxedaCorp 0:65004368569c 114 if (nb_ep == 2)
AxedaCorp 0:65004368569c 115 msd_device_found = true;
AxedaCorp 0:65004368569c 116 return true;
AxedaCorp 0:65004368569c 117 }
AxedaCorp 0:65004368569c 118 }
AxedaCorp 0:65004368569c 119 return false;
AxedaCorp 0:65004368569c 120 }
AxedaCorp 0:65004368569c 121
AxedaCorp 0:65004368569c 122 int USBHostMSD::testUnitReady() {
AxedaCorp 0:65004368569c 123 USB_DBG("Test unit ready");
AxedaCorp 0:65004368569c 124 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
AxedaCorp 0:65004368569c 125 }
AxedaCorp 0:65004368569c 126
AxedaCorp 0:65004368569c 127
AxedaCorp 0:65004368569c 128 int USBHostMSD::readCapacity() {
AxedaCorp 0:65004368569c 129 USB_DBG("Read capacity");
AxedaCorp 0:65004368569c 130 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
AxedaCorp 0:65004368569c 131 uint8_t result[8];
AxedaCorp 0:65004368569c 132 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
AxedaCorp 0:65004368569c 133 if (status == 0) {
AxedaCorp 0:65004368569c 134 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
AxedaCorp 0:65004368569c 135 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
AxedaCorp 0:65004368569c 136 USB_INFO("MSD blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", blockCount, blockSize, blockCount*blockSize);
AxedaCorp 0:65004368569c 137 }
AxedaCorp 0:65004368569c 138 return status;
AxedaCorp 0:65004368569c 139 }
AxedaCorp 0:65004368569c 140
AxedaCorp 0:65004368569c 141
AxedaCorp 0:65004368569c 142 int USBHostMSD::SCSIRequestSense() {
AxedaCorp 0:65004368569c 143 USB_DBG("Request sense");
AxedaCorp 0:65004368569c 144 uint8_t cmd[6] = {0x03,0,0,0,18,0};
AxedaCorp 0:65004368569c 145 uint8_t result[18];
AxedaCorp 0:65004368569c 146 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
AxedaCorp 0:65004368569c 147 return status;
AxedaCorp 0:65004368569c 148 }
AxedaCorp 0:65004368569c 149
AxedaCorp 0:65004368569c 150
AxedaCorp 0:65004368569c 151 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
AxedaCorp 0:65004368569c 152 USB_DBG("Inquiry");
AxedaCorp 0:65004368569c 153 uint8_t evpd = (page_code == 0) ? 0 : 1;
AxedaCorp 0:65004368569c 154 uint8_t cmd[6] = {0x12, (lun << 5) | evpd, page_code, 0, 36, 0};
AxedaCorp 0:65004368569c 155 uint8_t result[36];
AxedaCorp 0:65004368569c 156 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
AxedaCorp 0:65004368569c 157 if (status == 0) {
AxedaCorp 0:65004368569c 158 char vid_pid[17];
AxedaCorp 0:65004368569c 159 memcpy(vid_pid, &result[8], 8);
AxedaCorp 0:65004368569c 160 vid_pid[8] = 0;
AxedaCorp 0:65004368569c 161 USB_INFO("MSD Vendor ID: %s", vid_pid);
AxedaCorp 0:65004368569c 162
AxedaCorp 0:65004368569c 163 memcpy(vid_pid, &result[16], 16);
AxedaCorp 0:65004368569c 164 vid_pid[16] = 0;
AxedaCorp 0:65004368569c 165 USB_INFO("MSD Product ID: %s", vid_pid);
AxedaCorp 0:65004368569c 166
AxedaCorp 0:65004368569c 167 memcpy(vid_pid, &result[32], 4);
AxedaCorp 0:65004368569c 168 vid_pid[4] = 0;
AxedaCorp 0:65004368569c 169 USB_INFO("MSD Product rev: %s", vid_pid);
AxedaCorp 0:65004368569c 170 }
AxedaCorp 0:65004368569c 171 return status;
AxedaCorp 0:65004368569c 172 }
AxedaCorp 0:65004368569c 173
AxedaCorp 0:65004368569c 174 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
AxedaCorp 0:65004368569c 175 // if ep stalled: send clear feature
AxedaCorp 0:65004368569c 176 if (res == USB_TYPE_STALL_ERROR) {
AxedaCorp 0:65004368569c 177 res = host->controlWrite(dev,
AxedaCorp 0:65004368569c 178 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
AxedaCorp 0:65004368569c 179 CLEAR_FEATURE,
AxedaCorp 0:65004368569c 180 0, ep->getAddress(), NULL, 0);
AxedaCorp 0:65004368569c 181 // set state to IDLE if clear feature successful
AxedaCorp 0:65004368569c 182 if (res == USB_TYPE_OK) {
AxedaCorp 0:65004368569c 183 ep->setState(USB_TYPE_IDLE);
AxedaCorp 0:65004368569c 184 }
AxedaCorp 0:65004368569c 185 }
AxedaCorp 0:65004368569c 186
AxedaCorp 0:65004368569c 187 if (res != USB_TYPE_OK)
AxedaCorp 0:65004368569c 188 return -1;
AxedaCorp 0:65004368569c 189
AxedaCorp 0:65004368569c 190 return 0;
AxedaCorp 0:65004368569c 191 }
AxedaCorp 0:65004368569c 192
AxedaCorp 0:65004368569c 193
AxedaCorp 0:65004368569c 194 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
AxedaCorp 0:65004368569c 195
AxedaCorp 0:65004368569c 196 int res = 0;
AxedaCorp 0:65004368569c 197
AxedaCorp 0:65004368569c 198 cbw.Signature = CBW_SIGNATURE;
AxedaCorp 0:65004368569c 199 cbw.Tag = 0;
AxedaCorp 0:65004368569c 200 cbw.DataLength = transfer_len;
AxedaCorp 0:65004368569c 201 cbw.Flags = flags;
AxedaCorp 0:65004368569c 202 cbw.LUN = 0;
AxedaCorp 0:65004368569c 203 cbw.CBLength = cmd_len;
AxedaCorp 0:65004368569c 204 memset(cbw.CB,0,sizeof(cbw.CB));
AxedaCorp 0:65004368569c 205 if (cmd) {
AxedaCorp 0:65004368569c 206 memcpy(cbw.CB,cmd,cmd_len);
AxedaCorp 0:65004368569c 207 }
AxedaCorp 0:65004368569c 208
AxedaCorp 0:65004368569c 209 // send the cbw
AxedaCorp 0:65004368569c 210 USB_DBG("Send CBW");
AxedaCorp 0:65004368569c 211 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
AxedaCorp 0:65004368569c 212 if (checkResult(res, bulk_out))
AxedaCorp 0:65004368569c 213 return -1;
AxedaCorp 0:65004368569c 214
AxedaCorp 0:65004368569c 215 // data stage if needed
AxedaCorp 0:65004368569c 216 if (data) {
AxedaCorp 0:65004368569c 217 USB_DBG("data stage");
AxedaCorp 0:65004368569c 218 if (flags == HOST_TO_DEVICE) {
AxedaCorp 0:65004368569c 219
AxedaCorp 0:65004368569c 220 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
AxedaCorp 0:65004368569c 221 if (checkResult(res, bulk_out))
AxedaCorp 0:65004368569c 222 return -1;
AxedaCorp 0:65004368569c 223
AxedaCorp 0:65004368569c 224 } else if (flags == DEVICE_TO_HOST) {
AxedaCorp 0:65004368569c 225
AxedaCorp 0:65004368569c 226 res = host->bulkRead(dev, bulk_in, data, transfer_len);
AxedaCorp 0:65004368569c 227 if (checkResult(res, bulk_in))
AxedaCorp 0:65004368569c 228 return -1;
AxedaCorp 0:65004368569c 229 }
AxedaCorp 0:65004368569c 230 }
AxedaCorp 0:65004368569c 231
AxedaCorp 0:65004368569c 232 // status stage
AxedaCorp 0:65004368569c 233 csw.Signature = 0;
AxedaCorp 0:65004368569c 234 USB_DBG("Read CSW");
AxedaCorp 0:65004368569c 235 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
AxedaCorp 0:65004368569c 236 if (checkResult(res, bulk_in))
AxedaCorp 0:65004368569c 237 return -1;
AxedaCorp 0:65004368569c 238
AxedaCorp 0:65004368569c 239 if (csw.Signature != CSW_SIGNATURE) {
AxedaCorp 0:65004368569c 240 return -1;
AxedaCorp 0:65004368569c 241 }
AxedaCorp 0:65004368569c 242
AxedaCorp 0:65004368569c 243 USB_DBG("recv csw: status: %d", csw.Status);
AxedaCorp 0:65004368569c 244
AxedaCorp 0:65004368569c 245 // ModeSense?
AxedaCorp 0:65004368569c 246 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
AxedaCorp 0:65004368569c 247 USB_DBG("request mode sense");
AxedaCorp 0:65004368569c 248 return SCSIRequestSense();
AxedaCorp 0:65004368569c 249 }
AxedaCorp 0:65004368569c 250
AxedaCorp 0:65004368569c 251 // perform reset recovery
AxedaCorp 0:65004368569c 252 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
AxedaCorp 0:65004368569c 253
AxedaCorp 0:65004368569c 254 // send Bulk-Only Mass Storage Reset request
AxedaCorp 0:65004368569c 255 res = host->controlWrite( dev,
AxedaCorp 0:65004368569c 256 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
AxedaCorp 0:65004368569c 257 BO_MASS_STORAGE_RESET,
AxedaCorp 0:65004368569c 258 0, msd_intf, NULL, 0);
AxedaCorp 0:65004368569c 259
AxedaCorp 0:65004368569c 260 // unstall both endpoints
AxedaCorp 0:65004368569c 261 res = host->controlWrite( dev,
AxedaCorp 0:65004368569c 262 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
AxedaCorp 0:65004368569c 263 CLEAR_FEATURE,
AxedaCorp 0:65004368569c 264 0, bulk_in->getAddress(), NULL, 0);
AxedaCorp 0:65004368569c 265
AxedaCorp 0:65004368569c 266 res = host->controlWrite( dev,
AxedaCorp 0:65004368569c 267 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
AxedaCorp 0:65004368569c 268 CLEAR_FEATURE,
AxedaCorp 0:65004368569c 269 0, bulk_out->getAddress(), NULL, 0);
AxedaCorp 0:65004368569c 270
AxedaCorp 0:65004368569c 271 }
AxedaCorp 0:65004368569c 272
AxedaCorp 0:65004368569c 273 return csw.Status;
AxedaCorp 0:65004368569c 274 }
AxedaCorp 0:65004368569c 275
AxedaCorp 0:65004368569c 276
AxedaCorp 0:65004368569c 277 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
AxedaCorp 0:65004368569c 278 uint8_t cmd[10];
AxedaCorp 0:65004368569c 279 memset(cmd,0,10);
AxedaCorp 0:65004368569c 280 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
AxedaCorp 0:65004368569c 281
AxedaCorp 0:65004368569c 282 cmd[2] = (block >> 24) & 0xff;
AxedaCorp 0:65004368569c 283 cmd[3] = (block >> 16) & 0xff;
AxedaCorp 0:65004368569c 284 cmd[4] = (block >> 8) & 0xff;
AxedaCorp 0:65004368569c 285 cmd[5] = block & 0xff;
AxedaCorp 0:65004368569c 286
AxedaCorp 0:65004368569c 287 cmd[7] = (nbBlock >> 8) & 0xff;
AxedaCorp 0:65004368569c 288 cmd[8] = nbBlock & 0xff;
AxedaCorp 0:65004368569c 289
AxedaCorp 0:65004368569c 290 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
AxedaCorp 0:65004368569c 291 }
AxedaCorp 0:65004368569c 292
AxedaCorp 0:65004368569c 293 int USBHostMSD::getMaxLun() {
AxedaCorp 0:65004368569c 294 uint8_t buf[1], res;
AxedaCorp 0:65004368569c 295 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
AxedaCorp 0:65004368569c 296 0xfe, 0, msd_intf, buf, 1);
AxedaCorp 0:65004368569c 297 USB_DBG("max lun: %d", buf[0]);
AxedaCorp 0:65004368569c 298 return res;
AxedaCorp 0:65004368569c 299 }
AxedaCorp 0:65004368569c 300
AxedaCorp 0:65004368569c 301 int USBHostMSD::disk_initialize() {
AxedaCorp 0:65004368569c 302 USB_DBG("FILESYSTEM: init");
AxedaCorp 0:65004368569c 303 int i, timeout = 10;
AxedaCorp 0:65004368569c 304
AxedaCorp 0:65004368569c 305 //getMaxLun();
AxedaCorp 0:65004368569c 306
AxedaCorp 0:65004368569c 307 for (i = 0; i < timeout; i++) {
AxedaCorp 0:65004368569c 308 wait_ms(100);
AxedaCorp 0:65004368569c 309 if (!testUnitReady())
AxedaCorp 0:65004368569c 310 break;
AxedaCorp 0:65004368569c 311 }
AxedaCorp 0:65004368569c 312
AxedaCorp 0:65004368569c 313 if (i == timeout) {
AxedaCorp 0:65004368569c 314 disk_init = false;
AxedaCorp 0:65004368569c 315 return -1;
AxedaCorp 0:65004368569c 316 }
AxedaCorp 0:65004368569c 317
AxedaCorp 0:65004368569c 318 inquiry(0, 0);
AxedaCorp 0:65004368569c 319 disk_init = 1;
AxedaCorp 0:65004368569c 320 return readCapacity();
AxedaCorp 0:65004368569c 321 }
AxedaCorp 0:65004368569c 322
AxedaCorp 0:65004368569c 323 int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t block_number) {
AxedaCorp 0:65004368569c 324 USB_DBG("FILESYSTEM: write block: %lld", block_number);
AxedaCorp 0:65004368569c 325 if (!disk_init) {
AxedaCorp 0:65004368569c 326 disk_initialize();
AxedaCorp 0:65004368569c 327 }
AxedaCorp 0:65004368569c 328 if (!disk_init)
AxedaCorp 0:65004368569c 329 return -1;
AxedaCorp 0:65004368569c 330 return dataTransfer((uint8_t *)buffer, block_number, 1, HOST_TO_DEVICE);
AxedaCorp 0:65004368569c 331 }
AxedaCorp 0:65004368569c 332
AxedaCorp 0:65004368569c 333 int USBHostMSD::disk_read(uint8_t * buffer, uint64_t block_number) {
AxedaCorp 0:65004368569c 334 USB_DBG("FILESYSTEM: read block %lld", block_number);
AxedaCorp 0:65004368569c 335 if (!disk_init) {
AxedaCorp 0:65004368569c 336 disk_initialize();
AxedaCorp 0:65004368569c 337 }
AxedaCorp 0:65004368569c 338 if (!disk_init)
AxedaCorp 0:65004368569c 339 return -1;
AxedaCorp 0:65004368569c 340 return dataTransfer((uint8_t *)buffer, block_number, 1, DEVICE_TO_HOST);
AxedaCorp 0:65004368569c 341 }
AxedaCorp 0:65004368569c 342
AxedaCorp 0:65004368569c 343 uint64_t USBHostMSD::disk_sectors() {
AxedaCorp 0:65004368569c 344 USB_DBG("FILESYSTEM: sectors");
AxedaCorp 0:65004368569c 345 if (!disk_init) {
AxedaCorp 0:65004368569c 346 disk_initialize();
AxedaCorp 0:65004368569c 347 }
AxedaCorp 0:65004368569c 348 if (!disk_init)
AxedaCorp 0:65004368569c 349 return 0;
AxedaCorp 0:65004368569c 350 return blockCount;
AxedaCorp 0:65004368569c 351 }
AxedaCorp 0:65004368569c 352