Adaptation of the official mbed USBHost repository to work with the LPC4088 Display Module

Dependents:   DMSupport DMSupport DMSupport DMSupport

Fork of DM_USBHost by EmbeddedArtists AB

Committer:
embeddedartists
Date:
Tue Dec 02 15:16:39 2014 +0000
Revision:
27:aa2fd412f1d3
Parent:
26:607951c26872
Child:
29:dc8179214fd7
Adaptation of the official mbed USBHost repository to work with the LPC4088 Display Module. The changes include: basic setup, move of all memory to the AHBSRAM0, switch to USB port 2, adding a memory allocator for users.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 8:93da8ea2708b 1 /* mbed USBHost Library
samux 8:93da8ea2708b 2 * Copyright (c) 2006-2013 ARM Limited
samux 8:93da8ea2708b 3 *
samux 8:93da8ea2708b 4 * Licensed under the Apache License, Version 2.0 (the "License");
samux 8:93da8ea2708b 5 * you may not use this file except in compliance with the License.
samux 8:93da8ea2708b 6 * You may obtain a copy of the License at
samux 8:93da8ea2708b 7 *
samux 8:93da8ea2708b 8 * http://www.apache.org/licenses/LICENSE-2.0
samux 8:93da8ea2708b 9 *
samux 8:93da8ea2708b 10 * Unless required by applicable law or agreed to in writing, software
samux 8:93da8ea2708b 11 * distributed under the License is distributed on an "AS IS" BASIS,
samux 8:93da8ea2708b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
samux 8:93da8ea2708b 13 * See the License for the specific language governing permissions and
samux 8:93da8ea2708b 14 * limitations under the License.
samux 8:93da8ea2708b 15 */
mbed_official 0:a554658735bf 16
mbed_official 0:a554658735bf 17 #include "USBHostMSD.h"
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #if USBHOST_MSD
mbed_official 0:a554658735bf 20
mbed_official 0:a554658735bf 21 #include "dbg.h"
mbed_official 0:a554658735bf 22
mbed_official 0:a554658735bf 23 #define CBW_SIGNATURE 0x43425355
mbed_official 0:a554658735bf 24 #define CSW_SIGNATURE 0x53425355
mbed_official 0:a554658735bf 25
mbed_official 0:a554658735bf 26 #define DEVICE_TO_HOST 0x80
mbed_official 0:a554658735bf 27 #define HOST_TO_DEVICE 0x00
mbed_official 0:a554658735bf 28
samux 4:b320d68e98e7 29 #define GET_MAX_LUN (0xFE)
samux 4:b320d68e98e7 30 #define BO_MASS_STORAGE_RESET (0xFF)
mbed_official 0:a554658735bf 31
mbed_official 0:a554658735bf 32 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
mbed_official 0:a554658735bf 33 {
mbed_official 0:a554658735bf 34 host = USBHost::getHostInst();
mbed_official 0:a554658735bf 35 init();
embeddedartists 27:aa2fd412f1d3 36
embeddedartists 27:aa2fd412f1d3 37 cbw = (CBW*)host->getSafeMem(sizeof(CBW));
embeddedartists 27:aa2fd412f1d3 38 csw = (CSW*)host->getSafeMem(sizeof(CSW));
embeddedartists 27:aa2fd412f1d3 39 }
embeddedartists 27:aa2fd412f1d3 40
embeddedartists 27:aa2fd412f1d3 41 USBHostMSD::~USBHostMSD()
embeddedartists 27:aa2fd412f1d3 42 {
embeddedartists 27:aa2fd412f1d3 43 if (cbw != NULL) {
embeddedartists 27:aa2fd412f1d3 44 host->returnSafeMem((uint8_t*)cbw);
embeddedartists 27:aa2fd412f1d3 45 cbw = NULL;
embeddedartists 27:aa2fd412f1d3 46 }
embeddedartists 27:aa2fd412f1d3 47 if (csw != NULL) {
embeddedartists 27:aa2fd412f1d3 48 host->returnSafeMem((uint8_t*)csw);
embeddedartists 27:aa2fd412f1d3 49 csw = NULL;
embeddedartists 27:aa2fd412f1d3 50 }
mbed_official 0:a554658735bf 51 }
mbed_official 0:a554658735bf 52
mbed_official 0:a554658735bf 53 void USBHostMSD::init() {
mbed_official 0:a554658735bf 54 dev_connected = false;
mbed_official 0:a554658735bf 55 dev = NULL;
mbed_official 0:a554658735bf 56 bulk_in = NULL;
mbed_official 0:a554658735bf 57 bulk_out = NULL;
mbed_official 0:a554658735bf 58 blockSize = 0;
mbed_official 0:a554658735bf 59 blockCount = 0;
mbed_official 0:a554658735bf 60 msd_intf = -1;
mbed_official 0:a554658735bf 61 msd_device_found = false;
mbed_official 0:a554658735bf 62 disk_init = false;
samux 4:b320d68e98e7 63 nb_ep = 0;
mbed_official 0:a554658735bf 64 }
mbed_official 0:a554658735bf 65
mbed_official 0:a554658735bf 66
mbed_official 0:a554658735bf 67 bool USBHostMSD::connected()
mbed_official 0:a554658735bf 68 {
mbed_official 0:a554658735bf 69 return dev_connected;
mbed_official 0:a554658735bf 70 }
mbed_official 0:a554658735bf 71
mbed_official 0:a554658735bf 72 bool USBHostMSD::connect()
mbed_official 0:a554658735bf 73 {
mbed_official 0:a554658735bf 74
mbed_official 0:a554658735bf 75 if (dev_connected) {
mbed_official 0:a554658735bf 76 return true;
mbed_official 0:a554658735bf 77 }
mbed_official 0:a554658735bf 78
samux 5:e48791a1ef18 79 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
mbed_official 0:a554658735bf 80 if ((dev = host->getDevice(i)) != NULL) {
mbed_official 24:868cbfe611a7 81
samux 4:b320d68e98e7 82 USB_DBG("Trying to connect MSD device\r\n");
mbed_official 24:868cbfe611a7 83
mbed_official 0:a554658735bf 84 if(host->enumerate(dev, this))
mbed_official 0:a554658735bf 85 break;
mbed_official 0:a554658735bf 86
mbed_official 0:a554658735bf 87 if (msd_device_found) {
mbed_official 0:a554658735bf 88 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
mbed_official 0:a554658735bf 89 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
mbed_official 24:868cbfe611a7 90
mbed_official 0:a554658735bf 91 if (!bulk_in || !bulk_out)
samux 4:b320d68e98e7 92 continue;
mbed_official 24:868cbfe611a7 93
samux 4:b320d68e98e7 94 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
samux 4:b320d68e98e7 95 dev->setName("MSD", msd_intf);
mbed_official 0:a554658735bf 96 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
mbed_official 0:a554658735bf 97
mbed_official 0:a554658735bf 98 dev_connected = true;
mbed_official 0:a554658735bf 99 return true;
mbed_official 0:a554658735bf 100 }
mbed_official 0:a554658735bf 101 } //if()
mbed_official 0:a554658735bf 102 } //for()
samux 4:b320d68e98e7 103 init();
mbed_official 0:a554658735bf 104 return false;
mbed_official 0:a554658735bf 105 }
mbed_official 0:a554658735bf 106
mbed_official 0:a554658735bf 107 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
mbed_official 0:a554658735bf 108 {
mbed_official 0:a554658735bf 109 // we don't check VID/PID for MSD driver
mbed_official 0:a554658735bf 110 }
mbed_official 0:a554658735bf 111
mbed_official 0:a554658735bf 112 /*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
mbed_official 0:a554658735bf 113 {
mbed_official 0:a554658735bf 114 if ((msd_intf == -1) &&
mbed_official 0:a554658735bf 115 (intf_class == MSD_CLASS) &&
mbed_official 0:a554658735bf 116 (intf_subclass == 0x06) &&
mbed_official 0:a554658735bf 117 (intf_protocol == 0x50)) {
mbed_official 0:a554658735bf 118 msd_intf = intf_nb;
mbed_official 0:a554658735bf 119 return true;
mbed_official 0:a554658735bf 120 }
mbed_official 0:a554658735bf 121 return false;
mbed_official 0:a554658735bf 122 }
mbed_official 0:a554658735bf 123
mbed_official 0:a554658735bf 124 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
mbed_official 0:a554658735bf 125 {
mbed_official 0:a554658735bf 126 if (intf_nb == msd_intf) {
mbed_official 0:a554658735bf 127 if (type == BULK_ENDPOINT) {
samux 4:b320d68e98e7 128 nb_ep++;
samux 4:b320d68e98e7 129 if (nb_ep == 2)
samux 4:b320d68e98e7 130 msd_device_found = true;
mbed_official 0:a554658735bf 131 return true;
mbed_official 0:a554658735bf 132 }
mbed_official 0:a554658735bf 133 }
mbed_official 0:a554658735bf 134 return false;
mbed_official 0:a554658735bf 135 }
mbed_official 0:a554658735bf 136
mbed_official 0:a554658735bf 137
mbed_official 0:a554658735bf 138 int USBHostMSD::testUnitReady() {
samux 4:b320d68e98e7 139 USB_DBG("Test unit ready");
mbed_official 0:a554658735bf 140 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
mbed_official 0:a554658735bf 141 }
mbed_official 0:a554658735bf 142
samux 4:b320d68e98e7 143
mbed_official 0:a554658735bf 144 int USBHostMSD::readCapacity() {
samux 4:b320d68e98e7 145 USB_DBG("Read capacity");
mbed_official 0:a554658735bf 146 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
embeddedartists 27:aa2fd412f1d3 147 uint8_t* result = host->getSafeMem(8);
mbed_official 0:a554658735bf 148 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
mbed_official 0:a554658735bf 149 if (status == 0) {
mbed_official 0:a554658735bf 150 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
mbed_official 0:a554658735bf 151 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
samux 4:b320d68e98e7 152 USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", dev, blockCount, blockSize, blockCount*blockSize);
mbed_official 0:a554658735bf 153 }
embeddedartists 27:aa2fd412f1d3 154 host->returnSafeMem(result);
mbed_official 0:a554658735bf 155 return status;
mbed_official 0:a554658735bf 156 }
mbed_official 0:a554658735bf 157
mbed_official 0:a554658735bf 158
mbed_official 0:a554658735bf 159 int USBHostMSD::SCSIRequestSense() {
samux 4:b320d68e98e7 160 USB_DBG("Request sense");
samux 4:b320d68e98e7 161 uint8_t cmd[6] = {0x03,0,0,0,18,0};
embeddedartists 27:aa2fd412f1d3 162 uint8_t* result = host->getSafeMem(18);
samux 4:b320d68e98e7 163 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
embeddedartists 27:aa2fd412f1d3 164 host->returnSafeMem(result);
mbed_official 0:a554658735bf 165 return status;
mbed_official 0:a554658735bf 166 }
mbed_official 0:a554658735bf 167
mbed_official 0:a554658735bf 168
mbed_official 0:a554658735bf 169 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
samux 4:b320d68e98e7 170 USB_DBG("Inquiry");
mbed_official 0:a554658735bf 171 uint8_t evpd = (page_code == 0) ? 0 : 1;
mbed_official 13:b58a2204422f 172 uint8_t cmd[6] = {0x12, uint8_t((lun << 5) | evpd), page_code, 0, 36, 0};
embeddedartists 27:aa2fd412f1d3 173 uint8_t* result = host->getSafeMem(36);
mbed_official 0:a554658735bf 174 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
mbed_official 0:a554658735bf 175 if (status == 0) {
samux 4:b320d68e98e7 176 char vid_pid[17];
mbed_official 0:a554658735bf 177 memcpy(vid_pid, &result[8], 8);
mbed_official 0:a554658735bf 178 vid_pid[8] = 0;
mbed_official 0:a554658735bf 179 USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
mbed_official 0:a554658735bf 180
samux 4:b320d68e98e7 181 memcpy(vid_pid, &result[16], 16);
samux 4:b320d68e98e7 182 vid_pid[16] = 0;
samux 4:b320d68e98e7 183 USB_INFO("MSD [dev: %p] - Product ID: %s", dev, vid_pid);
mbed_official 0:a554658735bf 184
mbed_official 0:a554658735bf 185 memcpy(vid_pid, &result[32], 4);
mbed_official 0:a554658735bf 186 vid_pid[4] = 0;
mbed_official 0:a554658735bf 187 USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
mbed_official 0:a554658735bf 188 }
embeddedartists 27:aa2fd412f1d3 189 host->returnSafeMem(result);
mbed_official 0:a554658735bf 190 return status;
mbed_official 0:a554658735bf 191 }
mbed_official 0:a554658735bf 192
mbed_official 0:a554658735bf 193 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
mbed_official 0:a554658735bf 194 // if ep stalled: send clear feature
mbed_official 0:a554658735bf 195 if (res == USB_TYPE_STALL_ERROR) {
mbed_official 0:a554658735bf 196 res = host->controlWrite( dev,
mbed_official 0:a554658735bf 197 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
mbed_official 0:a554658735bf 198 CLEAR_FEATURE,
samux 4:b320d68e98e7 199 0, ep->getAddress(), NULL, 0);
mbed_official 0:a554658735bf 200 // set state to IDLE if clear feature successful
mbed_official 0:a554658735bf 201 if (res == USB_TYPE_OK) {
mbed_official 0:a554658735bf 202 ep->setState(USB_TYPE_IDLE);
mbed_official 0:a554658735bf 203 }
mbed_official 0:a554658735bf 204 }
mbed_official 0:a554658735bf 205
mbed_official 0:a554658735bf 206 if (res != USB_TYPE_OK)
mbed_official 0:a554658735bf 207 return -1;
mbed_official 0:a554658735bf 208
mbed_official 0:a554658735bf 209 return 0;
mbed_official 0:a554658735bf 210 }
mbed_official 0:a554658735bf 211
mbed_official 0:a554658735bf 212
mbed_official 0:a554658735bf 213 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
mbed_official 0:a554658735bf 214
mbed_official 0:a554658735bf 215 int res = 0;
mbed_official 0:a554658735bf 216
embeddedartists 27:aa2fd412f1d3 217 cbw->Signature = CBW_SIGNATURE;
embeddedartists 27:aa2fd412f1d3 218 cbw->Tag = 0;
embeddedartists 27:aa2fd412f1d3 219 cbw->DataLength = transfer_len;
embeddedartists 27:aa2fd412f1d3 220 cbw->Flags = flags;
embeddedartists 27:aa2fd412f1d3 221 cbw->LUN = 0;
embeddedartists 27:aa2fd412f1d3 222 cbw->CBLength = cmd_len;
embeddedartists 27:aa2fd412f1d3 223 memset(cbw->CB,0,sizeof(cbw->CB));
mbed_official 0:a554658735bf 224 if (cmd) {
embeddedartists 27:aa2fd412f1d3 225 memcpy(cbw->CB,cmd,cmd_len);
mbed_official 0:a554658735bf 226 }
mbed_official 0:a554658735bf 227
mbed_official 0:a554658735bf 228 // send the cbw
samux 4:b320d68e98e7 229 USB_DBG("Send CBW");
embeddedartists 27:aa2fd412f1d3 230 res = host->bulkWrite(dev, bulk_out,(uint8_t *)cbw, 31);
mbed_official 0:a554658735bf 231 if (checkResult(res, bulk_out))
mbed_official 0:a554658735bf 232 return -1;
mbed_official 0:a554658735bf 233
mbed_official 0:a554658735bf 234 // data stage if needed
mbed_official 0:a554658735bf 235 if (data) {
samux 4:b320d68e98e7 236 USB_DBG("data stage");
mbed_official 0:a554658735bf 237 if (flags == HOST_TO_DEVICE) {
mbed_official 24:868cbfe611a7 238
mbed_official 0:a554658735bf 239 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
mbed_official 0:a554658735bf 240 if (checkResult(res, bulk_out))
mbed_official 0:a554658735bf 241 return -1;
mbed_official 0:a554658735bf 242
mbed_official 0:a554658735bf 243 } else if (flags == DEVICE_TO_HOST) {
mbed_official 0:a554658735bf 244
mbed_official 0:a554658735bf 245 res = host->bulkRead(dev, bulk_in, data, transfer_len);
mbed_official 0:a554658735bf 246 if (checkResult(res, bulk_in))
mbed_official 0:a554658735bf 247 return -1;
mbed_official 0:a554658735bf 248 }
mbed_official 0:a554658735bf 249 }
mbed_official 0:a554658735bf 250
mbed_official 0:a554658735bf 251 // status stage
embeddedartists 27:aa2fd412f1d3 252 csw->Signature = 0;
samux 4:b320d68e98e7 253 USB_DBG("Read CSW");
embeddedartists 27:aa2fd412f1d3 254 res = host->bulkRead(dev, bulk_in,(uint8_t *)csw, 13);
mbed_official 0:a554658735bf 255 if (checkResult(res, bulk_in))
mbed_official 0:a554658735bf 256 return -1;
mbed_official 0:a554658735bf 257
embeddedartists 27:aa2fd412f1d3 258 if (csw->Signature != CSW_SIGNATURE) {
mbed_official 0:a554658735bf 259 return -1;
mbed_official 0:a554658735bf 260 }
mbed_official 24:868cbfe611a7 261
embeddedartists 27:aa2fd412f1d3 262 USB_DBG("recv csw: status: %d", csw->Status);
mbed_official 0:a554658735bf 263
mbed_official 0:a554658735bf 264 // ModeSense?
embeddedartists 27:aa2fd412f1d3 265 if ((csw->Status == 1) && (cmd[0] != 0x03)) {
samux 4:b320d68e98e7 266 USB_DBG("request mode sense");
mbed_official 0:a554658735bf 267 return SCSIRequestSense();
samux 4:b320d68e98e7 268 }
mbed_official 24:868cbfe611a7 269
samux 4:b320d68e98e7 270 // perform reset recovery
embeddedartists 27:aa2fd412f1d3 271 if ((csw->Status == 2) && (cmd[0] != 0x03)) {
mbed_official 24:868cbfe611a7 272
samux 4:b320d68e98e7 273 // send Bulk-Only Mass Storage Reset request
samux 4:b320d68e98e7 274 res = host->controlWrite( dev,
samux 4:b320d68e98e7 275 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
samux 4:b320d68e98e7 276 BO_MASS_STORAGE_RESET,
samux 4:b320d68e98e7 277 0, msd_intf, NULL, 0);
mbed_official 24:868cbfe611a7 278
samux 4:b320d68e98e7 279 // unstall both endpoints
samux 4:b320d68e98e7 280 res = host->controlWrite( dev,
samux 4:b320d68e98e7 281 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
samux 4:b320d68e98e7 282 CLEAR_FEATURE,
samux 4:b320d68e98e7 283 0, bulk_in->getAddress(), NULL, 0);
mbed_official 24:868cbfe611a7 284
samux 4:b320d68e98e7 285 res = host->controlWrite( dev,
samux 4:b320d68e98e7 286 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
samux 4:b320d68e98e7 287 CLEAR_FEATURE,
samux 4:b320d68e98e7 288 0, bulk_out->getAddress(), NULL, 0);
mbed_official 24:868cbfe611a7 289
samux 4:b320d68e98e7 290 }
mbed_official 0:a554658735bf 291
embeddedartists 27:aa2fd412f1d3 292 return csw->Status;
mbed_official 0:a554658735bf 293 }
mbed_official 0:a554658735bf 294
mbed_official 0:a554658735bf 295
mbed_official 0:a554658735bf 296 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
mbed_official 0:a554658735bf 297 uint8_t cmd[10];
mbed_official 0:a554658735bf 298 memset(cmd,0,10);
mbed_official 0:a554658735bf 299 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
mbed_official 0:a554658735bf 300
mbed_official 0:a554658735bf 301 cmd[2] = (block >> 24) & 0xff;
mbed_official 0:a554658735bf 302 cmd[3] = (block >> 16) & 0xff;
mbed_official 0:a554658735bf 303 cmd[4] = (block >> 8) & 0xff;
mbed_official 0:a554658735bf 304 cmd[5] = block & 0xff;
mbed_official 0:a554658735bf 305
mbed_official 0:a554658735bf 306 cmd[7] = (nbBlock >> 8) & 0xff;
mbed_official 0:a554658735bf 307 cmd[8] = nbBlock & 0xff;
mbed_official 0:a554658735bf 308
mbed_official 0:a554658735bf 309 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
mbed_official 0:a554658735bf 310 }
mbed_official 0:a554658735bf 311
samux 4:b320d68e98e7 312 int USBHostMSD::getMaxLun() {
embeddedartists 27:aa2fd412f1d3 313 uint8_t res;
embeddedartists 27:aa2fd412f1d3 314 uint8_t* buf = host->getSafeMem(1);
samux 4:b320d68e98e7 315 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
samux 4:b320d68e98e7 316 0xfe, 0, msd_intf, buf, 1);
samux 4:b320d68e98e7 317 USB_DBG("max lun: %d", buf[0]);
embeddedartists 27:aa2fd412f1d3 318 host->returnSafeMem(buf);
samux 4:b320d68e98e7 319 return res;
samux 4:b320d68e98e7 320 }
mbed_official 0:a554658735bf 321
mbed_official 0:a554658735bf 322 int USBHostMSD::disk_initialize() {
mbed_official 0:a554658735bf 323 USB_DBG("FILESYSTEM: init");
samux 4:b320d68e98e7 324 U16 i, timeout = 10;
mbed_official 24:868cbfe611a7 325
samux 4:b320d68e98e7 326 getMaxLun();
mbed_official 24:868cbfe611a7 327
mbed_official 0:a554658735bf 328 for (i = 0; i < timeout; i++) {
samux 4:b320d68e98e7 329 Thread::wait(100);
mbed_official 0:a554658735bf 330 if (!testUnitReady())
mbed_official 0:a554658735bf 331 break;
mbed_official 0:a554658735bf 332 }
mbed_official 24:868cbfe611a7 333
mbed_official 0:a554658735bf 334 if (i == timeout) {
mbed_official 0:a554658735bf 335 disk_init = false;
mbed_official 0:a554658735bf 336 return -1;
mbed_official 0:a554658735bf 337 }
mbed_official 24:868cbfe611a7 338
mbed_official 0:a554658735bf 339 inquiry(0, 0);
mbed_official 0:a554658735bf 340 disk_init = 1;
mbed_official 0:a554658735bf 341 return readCapacity();
mbed_official 0:a554658735bf 342 }
mbed_official 0:a554658735bf 343
mbed_official 26:607951c26872 344 int USBHostMSD::disk_write(const uint8_t* buffer, uint64_t block_number, uint8_t count) {
mbed_official 26:607951c26872 345 USB_DBG("FILESYSTEM: write block: %lld, count: %d", block_number, count);
mbed_official 0:a554658735bf 346 if (!disk_init) {
mbed_official 0:a554658735bf 347 disk_initialize();
mbed_official 0:a554658735bf 348 }
mbed_official 0:a554658735bf 349 if (!disk_init)
mbed_official 0:a554658735bf 350 return -1;
embeddedartists 27:aa2fd412f1d3 351 uint8_t* safe = host->getSafeMem(512);
mbed_official 26:607951c26872 352 for (uint64_t b = block_number; b < block_number + count; b++) {
embeddedartists 27:aa2fd412f1d3 353 memcpy(safe, buffer, 512);
embeddedartists 27:aa2fd412f1d3 354 if (dataTransfer((uint8_t*)safe, b, 1, HOST_TO_DEVICE)) {
embeddedartists 27:aa2fd412f1d3 355 host->returnSafeMem(safe);
mbed_official 26:607951c26872 356 return -1;
embeddedartists 27:aa2fd412f1d3 357 }
mbed_official 26:607951c26872 358 buffer += 512;
mbed_official 26:607951c26872 359 }
embeddedartists 27:aa2fd412f1d3 360 host->returnSafeMem(safe);
mbed_official 26:607951c26872 361 return 0;
mbed_official 0:a554658735bf 362 }
mbed_official 0:a554658735bf 363
mbed_official 26:607951c26872 364 int USBHostMSD::disk_read(uint8_t* buffer, uint64_t block_number, uint8_t count) {
mbed_official 26:607951c26872 365 USB_DBG("FILESYSTEM: read block: %lld, count: %d", block_number, count);
mbed_official 0:a554658735bf 366 if (!disk_init) {
mbed_official 0:a554658735bf 367 disk_initialize();
mbed_official 0:a554658735bf 368 }
mbed_official 0:a554658735bf 369 if (!disk_init)
mbed_official 0:a554658735bf 370 return -1;
embeddedartists 27:aa2fd412f1d3 371 uint8_t* safe = host->getSafeMem(512);
mbed_official 26:607951c26872 372 for (uint64_t b = block_number; b < block_number + count; b++) {
embeddedartists 27:aa2fd412f1d3 373 if (dataTransfer((uint8_t*)safe, b, 1, DEVICE_TO_HOST)) {
embeddedartists 27:aa2fd412f1d3 374 host->returnSafeMem(safe);
mbed_official 26:607951c26872 375 return -1;
embeddedartists 27:aa2fd412f1d3 376 }
embeddedartists 27:aa2fd412f1d3 377 memcpy(buffer, safe, 512);
mbed_official 26:607951c26872 378 buffer += 512;
mbed_official 26:607951c26872 379 }
embeddedartists 27:aa2fd412f1d3 380 host->returnSafeMem(safe);
mbed_official 26:607951c26872 381 return 0;
mbed_official 0:a554658735bf 382 }
mbed_official 0:a554658735bf 383
mbed_official 0:a554658735bf 384 uint64_t USBHostMSD::disk_sectors() {
mbed_official 0:a554658735bf 385 USB_DBG("FILESYSTEM: sectors");
mbed_official 0:a554658735bf 386 if (!disk_init) {
mbed_official 0:a554658735bf 387 disk_initialize();
mbed_official 0:a554658735bf 388 }
mbed_official 0:a554658735bf 389 if (!disk_init)
mbed_official 0:a554658735bf 390 return 0;
mbed_official 0:a554658735bf 391 return blockCount;
mbed_official 0:a554658735bf 392 }
mbed_official 0:a554658735bf 393
mbed_official 0:a554658735bf 394 #endif