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Dependencies:   mbed WDT MODSERIAL BME280

USBHost/USBHostMSD/USBHostMSD.cpp@61:52a6d0ffd8e5, 2019-07-05 (annotated)

Committer:
gert_lauritsen
Date:
Fri Jul 05 12:55:53 2019 +0000
Branch:
MbedBMAGThrRev
Revision:
61:52a6d0ffd8e5
dato rettel og ID i file lagt ind i version 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 61:52a6d0ffd8e5 1 /* mbed USBHost Library
gert_lauritsen 61:52a6d0ffd8e5 2 * Copyright (c) 2006-2013 ARM Limited
gert_lauritsen 61:52a6d0ffd8e5 3 *
gert_lauritsen 61:52a6d0ffd8e5 4 * Licensed under the Apache License, Version 2.0 (the "License");
gert_lauritsen 61:52a6d0ffd8e5 5 * you may not use this file except in compliance with the License.
gert_lauritsen 61:52a6d0ffd8e5 6 * You may obtain a copy of the License at
gert_lauritsen 61:52a6d0ffd8e5 7 *
gert_lauritsen 61:52a6d0ffd8e5 8 * http://www.apache.org/licenses/LICENSE-2.0
gert_lauritsen 61:52a6d0ffd8e5 9 *
gert_lauritsen 61:52a6d0ffd8e5 10 * Unless required by applicable law or agreed to in writing, software
gert_lauritsen 61:52a6d0ffd8e5 11 * distributed under the License is distributed on an "AS IS" BASIS,
gert_lauritsen 61:52a6d0ffd8e5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gert_lauritsen 61:52a6d0ffd8e5 13 * See the License for the specific language governing permissions and
gert_lauritsen 61:52a6d0ffd8e5 14 * limitations under the License.
gert_lauritsen 61:52a6d0ffd8e5 15 */
gert_lauritsen 61:52a6d0ffd8e5 16
gert_lauritsen 61:52a6d0ffd8e5 17 #include "USBHostMSD.h"
gert_lauritsen 61:52a6d0ffd8e5 18
gert_lauritsen 61:52a6d0ffd8e5 19 #if USBHOST_MSD
gert_lauritsen 61:52a6d0ffd8e5 20
gert_lauritsen 61:52a6d0ffd8e5 21 #include "dbg.h"
gert_lauritsen 61:52a6d0ffd8e5 22
gert_lauritsen 61:52a6d0ffd8e5 23 #define CBW_SIGNATURE 0x43425355
gert_lauritsen 61:52a6d0ffd8e5 24 #define CSW_SIGNATURE 0x53425355
gert_lauritsen 61:52a6d0ffd8e5 25
gert_lauritsen 61:52a6d0ffd8e5 26 #define DEVICE_TO_HOST 0x80
gert_lauritsen 61:52a6d0ffd8e5 27 #define HOST_TO_DEVICE 0x00
gert_lauritsen 61:52a6d0ffd8e5 28
gert_lauritsen 61:52a6d0ffd8e5 29 #define GET_MAX_LUN (0xFE)
gert_lauritsen 61:52a6d0ffd8e5 30 #define BO_MASS_STORAGE_RESET (0xFF)
gert_lauritsen 61:52a6d0ffd8e5 31
gert_lauritsen 61:52a6d0ffd8e5 32 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
gert_lauritsen 61:52a6d0ffd8e5 33 {
gert_lauritsen 61:52a6d0ffd8e5 34 host = USBHost::getHostInst();
gert_lauritsen 61:52a6d0ffd8e5 35 init();
gert_lauritsen 61:52a6d0ffd8e5 36 }
gert_lauritsen 61:52a6d0ffd8e5 37
gert_lauritsen 61:52a6d0ffd8e5 38 void USBHostMSD::init() {
gert_lauritsen 61:52a6d0ffd8e5 39 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 40 dev = NULL;
gert_lauritsen 61:52a6d0ffd8e5 41 bulk_in = NULL;
gert_lauritsen 61:52a6d0ffd8e5 42 bulk_out = NULL;
gert_lauritsen 61:52a6d0ffd8e5 43 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 44 blockSize = 0;
gert_lauritsen 61:52a6d0ffd8e5 45 blockCount = 0;
gert_lauritsen 61:52a6d0ffd8e5 46 msd_intf = -1;
gert_lauritsen 61:52a6d0ffd8e5 47 msd_device_found = false;
gert_lauritsen 61:52a6d0ffd8e5 48 disk_init = false;
gert_lauritsen 61:52a6d0ffd8e5 49 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 50 nb_ep = 0;
gert_lauritsen 61:52a6d0ffd8e5 51 }
gert_lauritsen 61:52a6d0ffd8e5 52
gert_lauritsen 61:52a6d0ffd8e5 53
gert_lauritsen 61:52a6d0ffd8e5 54 bool USBHostMSD::connected()
gert_lauritsen 61:52a6d0ffd8e5 55 {
gert_lauritsen 61:52a6d0ffd8e5 56 return dev_connected;
gert_lauritsen 61:52a6d0ffd8e5 57 }
gert_lauritsen 61:52a6d0ffd8e5 58
gert_lauritsen 61:52a6d0ffd8e5 59 bool USBHostMSD::connect()
gert_lauritsen 61:52a6d0ffd8e5 60 {
gert_lauritsen 61:52a6d0ffd8e5 61
gert_lauritsen 61:52a6d0ffd8e5 62 if (dev_connected) {
gert_lauritsen 61:52a6d0ffd8e5 63 return true;
gert_lauritsen 61:52a6d0ffd8e5 64 }
gert_lauritsen 61:52a6d0ffd8e5 65
gert_lauritsen 61:52a6d0ffd8e5 66 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
gert_lauritsen 61:52a6d0ffd8e5 67 if ((dev = host->getDevice(i)) != NULL) {
gert_lauritsen 61:52a6d0ffd8e5 68
gert_lauritsen 61:52a6d0ffd8e5 69 USB_DBG("Trying to connect MSD device\r\n");
gert_lauritsen 61:52a6d0ffd8e5 70
gert_lauritsen 61:52a6d0ffd8e5 71 if(host->enumerate(dev, this))
gert_lauritsen 61:52a6d0ffd8e5 72 break;
gert_lauritsen 61:52a6d0ffd8e5 73
gert_lauritsen 61:52a6d0ffd8e5 74 if (msd_device_found) {
gert_lauritsen 61:52a6d0ffd8e5 75 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
gert_lauritsen 61:52a6d0ffd8e5 76 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
gert_lauritsen 61:52a6d0ffd8e5 77
gert_lauritsen 61:52a6d0ffd8e5 78 if (!bulk_in || !bulk_out)
gert_lauritsen 61:52a6d0ffd8e5 79 continue;
gert_lauritsen 61:52a6d0ffd8e5 80
gert_lauritsen 61:52a6d0ffd8e5 81 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
gert_lauritsen 61:52a6d0ffd8e5 82 dev->setName("MSD", msd_intf);
gert_lauritsen 61:52a6d0ffd8e5 83 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
gert_lauritsen 61:52a6d0ffd8e5 84
gert_lauritsen 61:52a6d0ffd8e5 85 dev_connected = true;
gert_lauritsen 61:52a6d0ffd8e5 86 return true;
gert_lauritsen 61:52a6d0ffd8e5 87 }
gert_lauritsen 61:52a6d0ffd8e5 88 } //if()
gert_lauritsen 61:52a6d0ffd8e5 89 } //for()
gert_lauritsen 61:52a6d0ffd8e5 90 init();
gert_lauritsen 61:52a6d0ffd8e5 91 return false;
gert_lauritsen 61:52a6d0ffd8e5 92 }
gert_lauritsen 61:52a6d0ffd8e5 93
gert_lauritsen 61:52a6d0ffd8e5 94 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
gert_lauritsen 61:52a6d0ffd8e5 95 {
gert_lauritsen 61:52a6d0ffd8e5 96 // we don't check VID/PID for MSD driver
gert_lauritsen 61:52a6d0ffd8e5 97 }
gert_lauritsen 61:52a6d0ffd8e5 98
gert_lauritsen 61:52a6d0ffd8e5 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
gert_lauritsen 61:52a6d0ffd8e5 100 {
gert_lauritsen 61:52a6d0ffd8e5 101 if ((msd_intf == -1) &&
gert_lauritsen 61:52a6d0ffd8e5 102 (intf_class == MSD_CLASS) &&
gert_lauritsen 61:52a6d0ffd8e5 103 (intf_subclass == 0x06) &&
gert_lauritsen 61:52a6d0ffd8e5 104 (intf_protocol == 0x50)) {
gert_lauritsen 61:52a6d0ffd8e5 105 msd_intf = intf_nb;
gert_lauritsen 61:52a6d0ffd8e5 106 return true;
gert_lauritsen 61:52a6d0ffd8e5 107 }
gert_lauritsen 61:52a6d0ffd8e5 108 return false;
gert_lauritsen 61:52a6d0ffd8e5 109 }
gert_lauritsen 61:52a6d0ffd8e5 110
gert_lauritsen 61:52a6d0ffd8e5 111 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
gert_lauritsen 61:52a6d0ffd8e5 112 {
gert_lauritsen 61:52a6d0ffd8e5 113 if (intf_nb == msd_intf) {
gert_lauritsen 61:52a6d0ffd8e5 114 if (type == BULK_ENDPOINT) {
gert_lauritsen 61:52a6d0ffd8e5 115 nb_ep++;
gert_lauritsen 61:52a6d0ffd8e5 116 if (nb_ep == 2)
gert_lauritsen 61:52a6d0ffd8e5 117 msd_device_found = true;
gert_lauritsen 61:52a6d0ffd8e5 118 return true;
gert_lauritsen 61:52a6d0ffd8e5 119 }
gert_lauritsen 61:52a6d0ffd8e5 120 }
gert_lauritsen 61:52a6d0ffd8e5 121 return false;
gert_lauritsen 61:52a6d0ffd8e5 122 }
gert_lauritsen 61:52a6d0ffd8e5 123
gert_lauritsen 61:52a6d0ffd8e5 124
gert_lauritsen 61:52a6d0ffd8e5 125 int USBHostMSD::testUnitReady() {
gert_lauritsen 61:52a6d0ffd8e5 126 USB_DBG("Test unit ready");
gert_lauritsen 61:52a6d0ffd8e5 127 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
gert_lauritsen 61:52a6d0ffd8e5 128 }
gert_lauritsen 61:52a6d0ffd8e5 129
gert_lauritsen 61:52a6d0ffd8e5 130
gert_lauritsen 61:52a6d0ffd8e5 131 int USBHostMSD::readCapacity() {
gert_lauritsen 61:52a6d0ffd8e5 132 USB_DBG("Read capacity");
gert_lauritsen 61:52a6d0ffd8e5 133 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
gert_lauritsen 61:52a6d0ffd8e5 134 uint8_t result[8];
gert_lauritsen 61:52a6d0ffd8e5 135 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
gert_lauritsen 61:52a6d0ffd8e5 136 if (status == 0) {
gert_lauritsen 61:52a6d0ffd8e5 137 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
gert_lauritsen 61:52a6d0ffd8e5 138 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
gert_lauritsen 61:52a6d0ffd8e5 139 USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", dev, blockCount, blockSize, blockCount*blockSize);
gert_lauritsen 61:52a6d0ffd8e5 140 }
gert_lauritsen 61:52a6d0ffd8e5 141 return status;
gert_lauritsen 61:52a6d0ffd8e5 142 }
gert_lauritsen 61:52a6d0ffd8e5 143
gert_lauritsen 61:52a6d0ffd8e5 144
gert_lauritsen 61:52a6d0ffd8e5 145 int USBHostMSD::SCSIRequestSense() {
gert_lauritsen 61:52a6d0ffd8e5 146 USB_DBG("Request sense");
gert_lauritsen 61:52a6d0ffd8e5 147 uint8_t cmd[6] = {0x03,0,0,0,18,0};
gert_lauritsen 61:52a6d0ffd8e5 148 uint8_t result[18];
gert_lauritsen 61:52a6d0ffd8e5 149 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
gert_lauritsen 61:52a6d0ffd8e5 150 return status;
gert_lauritsen 61:52a6d0ffd8e5 151 }
gert_lauritsen 61:52a6d0ffd8e5 152
gert_lauritsen 61:52a6d0ffd8e5 153
gert_lauritsen 61:52a6d0ffd8e5 154 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
gert_lauritsen 61:52a6d0ffd8e5 155 USB_DBG("Inquiry");
gert_lauritsen 61:52a6d0ffd8e5 156 uint8_t evpd = (page_code == 0) ? 0 : 1;
gert_lauritsen 61:52a6d0ffd8e5 157 uint8_t cmd[6] = {0x12, uint8_t((lun << 5) | evpd), page_code, 0, 36, 0};
gert_lauritsen 61:52a6d0ffd8e5 158 uint8_t result[36];
gert_lauritsen 61:52a6d0ffd8e5 159 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
gert_lauritsen 61:52a6d0ffd8e5 160 if (status == 0) {
gert_lauritsen 61:52a6d0ffd8e5 161 char vid_pid[17];
gert_lauritsen 61:52a6d0ffd8e5 162 memcpy(vid_pid, &result[8], 8);
gert_lauritsen 61:52a6d0ffd8e5 163 vid_pid[8] = 0;
gert_lauritsen 61:52a6d0ffd8e5 164 USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
gert_lauritsen 61:52a6d0ffd8e5 165
gert_lauritsen 61:52a6d0ffd8e5 166 memcpy(vid_pid, &result[16], 16);
gert_lauritsen 61:52a6d0ffd8e5 167 vid_pid[16] = 0;
gert_lauritsen 61:52a6d0ffd8e5 168 USB_INFO("MSD [dev: %p] - Product ID: %s", dev, vid_pid);
gert_lauritsen 61:52a6d0ffd8e5 169
gert_lauritsen 61:52a6d0ffd8e5 170 memcpy(vid_pid, &result[32], 4);
gert_lauritsen 61:52a6d0ffd8e5 171 vid_pid[4] = 0;
gert_lauritsen 61:52a6d0ffd8e5 172 USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
gert_lauritsen 61:52a6d0ffd8e5 173 }
gert_lauritsen 61:52a6d0ffd8e5 174 return status;
gert_lauritsen 61:52a6d0ffd8e5 175 }
gert_lauritsen 61:52a6d0ffd8e5 176
gert_lauritsen 61:52a6d0ffd8e5 177 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
gert_lauritsen 61:52a6d0ffd8e5 178 // if ep stalled: send clear feature
gert_lauritsen 61:52a6d0ffd8e5 179 if (res == USB_TYPE_STALL_ERROR) {
gert_lauritsen 61:52a6d0ffd8e5 180 res = host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 181 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
gert_lauritsen 61:52a6d0ffd8e5 182 CLEAR_FEATURE,
gert_lauritsen 61:52a6d0ffd8e5 183 0, ep->getAddress(), NULL, 0);
gert_lauritsen 61:52a6d0ffd8e5 184 // set state to IDLE if clear feature successful
gert_lauritsen 61:52a6d0ffd8e5 185 if (res == USB_TYPE_OK) {
gert_lauritsen 61:52a6d0ffd8e5 186 ep->setState(USB_TYPE_IDLE);
gert_lauritsen 61:52a6d0ffd8e5 187 }
gert_lauritsen 61:52a6d0ffd8e5 188 }
gert_lauritsen 61:52a6d0ffd8e5 189
gert_lauritsen 61:52a6d0ffd8e5 190 if (res != USB_TYPE_OK)
gert_lauritsen 61:52a6d0ffd8e5 191 return -1;
gert_lauritsen 61:52a6d0ffd8e5 192
gert_lauritsen 61:52a6d0ffd8e5 193 return 0;
gert_lauritsen 61:52a6d0ffd8e5 194 }
gert_lauritsen 61:52a6d0ffd8e5 195
gert_lauritsen 61:52a6d0ffd8e5 196
gert_lauritsen 61:52a6d0ffd8e5 197 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
gert_lauritsen 61:52a6d0ffd8e5 198
gert_lauritsen 61:52a6d0ffd8e5 199 int res = 0;
gert_lauritsen 61:52a6d0ffd8e5 200
gert_lauritsen 61:52a6d0ffd8e5 201 cbw.Signature = CBW_SIGNATURE;
gert_lauritsen 61:52a6d0ffd8e5 202 cbw.Tag = 0;
gert_lauritsen 61:52a6d0ffd8e5 203 cbw.DataLength = transfer_len;
gert_lauritsen 61:52a6d0ffd8e5 204 cbw.Flags = flags;
gert_lauritsen 61:52a6d0ffd8e5 205 cbw.LUN = 0;
gert_lauritsen 61:52a6d0ffd8e5 206 cbw.CBLength = cmd_len;
gert_lauritsen 61:52a6d0ffd8e5 207 memset(cbw.CB,0,sizeof(cbw.CB));
gert_lauritsen 61:52a6d0ffd8e5 208 if (cmd) {
gert_lauritsen 61:52a6d0ffd8e5 209 memcpy(cbw.CB,cmd,cmd_len);
gert_lauritsen 61:52a6d0ffd8e5 210 }
gert_lauritsen 61:52a6d0ffd8e5 211
gert_lauritsen 61:52a6d0ffd8e5 212 // send the cbw
gert_lauritsen 61:52a6d0ffd8e5 213 USB_DBG("Send CBW");
gert_lauritsen 61:52a6d0ffd8e5 214 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
gert_lauritsen 61:52a6d0ffd8e5 215 if (checkResult(res, bulk_out))
gert_lauritsen 61:52a6d0ffd8e5 216 return -1;
gert_lauritsen 61:52a6d0ffd8e5 217
gert_lauritsen 61:52a6d0ffd8e5 218 // data stage if needed
gert_lauritsen 61:52a6d0ffd8e5 219 if (data) {
gert_lauritsen 61:52a6d0ffd8e5 220 USB_DBG("data stage");
gert_lauritsen 61:52a6d0ffd8e5 221 if (flags == HOST_TO_DEVICE) {
gert_lauritsen 61:52a6d0ffd8e5 222
gert_lauritsen 61:52a6d0ffd8e5 223 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
gert_lauritsen 61:52a6d0ffd8e5 224 if (checkResult(res, bulk_out))
gert_lauritsen 61:52a6d0ffd8e5 225 return -1;
gert_lauritsen 61:52a6d0ffd8e5 226
gert_lauritsen 61:52a6d0ffd8e5 227 } else if (flags == DEVICE_TO_HOST) {
gert_lauritsen 61:52a6d0ffd8e5 228
gert_lauritsen 61:52a6d0ffd8e5 229 res = host->bulkRead(dev, bulk_in, data, transfer_len);
gert_lauritsen 61:52a6d0ffd8e5 230 if (checkResult(res, bulk_in))
gert_lauritsen 61:52a6d0ffd8e5 231 return -1;
gert_lauritsen 61:52a6d0ffd8e5 232 }
gert_lauritsen 61:52a6d0ffd8e5 233 }
gert_lauritsen 61:52a6d0ffd8e5 234
gert_lauritsen 61:52a6d0ffd8e5 235 // status stage
gert_lauritsen 61:52a6d0ffd8e5 236 csw.Signature = 0;
gert_lauritsen 61:52a6d0ffd8e5 237 USB_DBG("Read CSW");
gert_lauritsen 61:52a6d0ffd8e5 238 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
gert_lauritsen 61:52a6d0ffd8e5 239 if (checkResult(res, bulk_in))
gert_lauritsen 61:52a6d0ffd8e5 240 return -1;
gert_lauritsen 61:52a6d0ffd8e5 241
gert_lauritsen 61:52a6d0ffd8e5 242 if (csw.Signature != CSW_SIGNATURE) {
gert_lauritsen 61:52a6d0ffd8e5 243 return -1;
gert_lauritsen 61:52a6d0ffd8e5 244 }
gert_lauritsen 61:52a6d0ffd8e5 245
gert_lauritsen 61:52a6d0ffd8e5 246 USB_DBG("recv csw: status: %d", csw.Status);
gert_lauritsen 61:52a6d0ffd8e5 247
gert_lauritsen 61:52a6d0ffd8e5 248 // ModeSense?
gert_lauritsen 61:52a6d0ffd8e5 249 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
gert_lauritsen 61:52a6d0ffd8e5 250 USB_DBG("request mode sense");
gert_lauritsen 61:52a6d0ffd8e5 251 return SCSIRequestSense();
gert_lauritsen 61:52a6d0ffd8e5 252 }
gert_lauritsen 61:52a6d0ffd8e5 253
gert_lauritsen 61:52a6d0ffd8e5 254 // perform reset recovery
gert_lauritsen 61:52a6d0ffd8e5 255 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
gert_lauritsen 61:52a6d0ffd8e5 256
gert_lauritsen 61:52a6d0ffd8e5 257 // send Bulk-Only Mass Storage Reset request
gert_lauritsen 61:52a6d0ffd8e5 258 res = host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 259 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
gert_lauritsen 61:52a6d0ffd8e5 260 BO_MASS_STORAGE_RESET,
gert_lauritsen 61:52a6d0ffd8e5 261 0, msd_intf, NULL, 0);
gert_lauritsen 61:52a6d0ffd8e5 262
gert_lauritsen 61:52a6d0ffd8e5 263 // unstall both endpoints
gert_lauritsen 61:52a6d0ffd8e5 264 res = host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 265 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
gert_lauritsen 61:52a6d0ffd8e5 266 CLEAR_FEATURE,
gert_lauritsen 61:52a6d0ffd8e5 267 0, bulk_in->getAddress(), NULL, 0);
gert_lauritsen 61:52a6d0ffd8e5 268
gert_lauritsen 61:52a6d0ffd8e5 269 res = host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 270 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
gert_lauritsen 61:52a6d0ffd8e5 271 CLEAR_FEATURE,
gert_lauritsen 61:52a6d0ffd8e5 272 0, bulk_out->getAddress(), NULL, 0);
gert_lauritsen 61:52a6d0ffd8e5 273
gert_lauritsen 61:52a6d0ffd8e5 274 }
gert_lauritsen 61:52a6d0ffd8e5 275
gert_lauritsen 61:52a6d0ffd8e5 276 return csw.Status;
gert_lauritsen 61:52a6d0ffd8e5 277 }
gert_lauritsen 61:52a6d0ffd8e5 278
gert_lauritsen 61:52a6d0ffd8e5 279
gert_lauritsen 61:52a6d0ffd8e5 280 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
gert_lauritsen 61:52a6d0ffd8e5 281 uint8_t cmd[10];
gert_lauritsen 61:52a6d0ffd8e5 282 memset(cmd,0,10);
gert_lauritsen 61:52a6d0ffd8e5 283 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
gert_lauritsen 61:52a6d0ffd8e5 284
gert_lauritsen 61:52a6d0ffd8e5 285 cmd[2] = (block >> 24) & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 286 cmd[3] = (block >> 16) & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 287 cmd[4] = (block >> 8) & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 288 cmd[5] = block & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 289
gert_lauritsen 61:52a6d0ffd8e5 290 cmd[7] = (nbBlock >> 8) & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 291 cmd[8] = nbBlock & 0xff;
gert_lauritsen 61:52a6d0ffd8e5 292
gert_lauritsen 61:52a6d0ffd8e5 293 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
gert_lauritsen 61:52a6d0ffd8e5 294 }
gert_lauritsen 61:52a6d0ffd8e5 295
gert_lauritsen 61:52a6d0ffd8e5 296 int USBHostMSD::getMaxLun() {
gert_lauritsen 61:52a6d0ffd8e5 297 uint8_t buf[1], res;
gert_lauritsen 61:52a6d0ffd8e5 298 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
gert_lauritsen 61:52a6d0ffd8e5 299 0xfe, 0, msd_intf, buf, 1);
gert_lauritsen 61:52a6d0ffd8e5 300 USB_DBG("max lun: %d", buf[0]);
gert_lauritsen 61:52a6d0ffd8e5 301 return res;
gert_lauritsen 61:52a6d0ffd8e5 302 }
gert_lauritsen 61:52a6d0ffd8e5 303
gert_lauritsen 61:52a6d0ffd8e5 304 int USBHostMSD::disk_initialize() {
gert_lauritsen 61:52a6d0ffd8e5 305 USB_DBG("FILESYSTEM: init");
gert_lauritsen 61:52a6d0ffd8e5 306 uint16_t i, timeout = 10;
gert_lauritsen 61:52a6d0ffd8e5 307
gert_lauritsen 61:52a6d0ffd8e5 308 getMaxLun();
gert_lauritsen 61:52a6d0ffd8e5 309
gert_lauritsen 61:52a6d0ffd8e5 310 for (i = 0; i < timeout; i++) {
gert_lauritsen 61:52a6d0ffd8e5 311 Thread::wait(100);
gert_lauritsen 61:52a6d0ffd8e5 312 if (!testUnitReady())
gert_lauritsen 61:52a6d0ffd8e5 313 break;
gert_lauritsen 61:52a6d0ffd8e5 314 }
gert_lauritsen 61:52a6d0ffd8e5 315
gert_lauritsen 61:52a6d0ffd8e5 316 if (i == timeout) {
gert_lauritsen 61:52a6d0ffd8e5 317 disk_init = false;
gert_lauritsen 61:52a6d0ffd8e5 318 return -1;
gert_lauritsen 61:52a6d0ffd8e5 319 }
gert_lauritsen 61:52a6d0ffd8e5 320
gert_lauritsen 61:52a6d0ffd8e5 321 inquiry(0, 0);
gert_lauritsen 61:52a6d0ffd8e5 322 disk_init = 1;
gert_lauritsen 61:52a6d0ffd8e5 323 return readCapacity();
gert_lauritsen 61:52a6d0ffd8e5 324 }
gert_lauritsen 61:52a6d0ffd8e5 325
gert_lauritsen 61:52a6d0ffd8e5 326 int USBHostMSD::disk_write(const uint8_t* buffer, uint32_t block_number, uint32_t count) {
gert_lauritsen 61:52a6d0ffd8e5 327 USB_DBG("FILESYSTEM: write block: %lld, count: %d", block_number, count);
gert_lauritsen 61:52a6d0ffd8e5 328 if (!disk_init) {
gert_lauritsen 61:52a6d0ffd8e5 329 disk_initialize();
gert_lauritsen 61:52a6d0ffd8e5 330 }
gert_lauritsen 61:52a6d0ffd8e5 331 if (!disk_init)
gert_lauritsen 61:52a6d0ffd8e5 332 return -1;
gert_lauritsen 61:52a6d0ffd8e5 333 for (uint32_t b = block_number; b < block_number + count; b++) {
gert_lauritsen 61:52a6d0ffd8e5 334 if (dataTransfer((uint8_t*)buffer, b, 1, HOST_TO_DEVICE))
gert_lauritsen 61:52a6d0ffd8e5 335 return -1;
gert_lauritsen 61:52a6d0ffd8e5 336 buffer += 512;
gert_lauritsen 61:52a6d0ffd8e5 337 }
gert_lauritsen 61:52a6d0ffd8e5 338 return 0;
gert_lauritsen 61:52a6d0ffd8e5 339 }
gert_lauritsen 61:52a6d0ffd8e5 340
gert_lauritsen 61:52a6d0ffd8e5 341 int USBHostMSD::disk_read(uint8_t* buffer, uint32_t block_number, uint32_t count) {
gert_lauritsen 61:52a6d0ffd8e5 342 USB_DBG("FILESYSTEM: read block: %lld, count: %d", block_number, count);
gert_lauritsen 61:52a6d0ffd8e5 343 if (!disk_init) {
gert_lauritsen 61:52a6d0ffd8e5 344 disk_initialize();
gert_lauritsen 61:52a6d0ffd8e5 345 }
gert_lauritsen 61:52a6d0ffd8e5 346 if (!disk_init)
gert_lauritsen 61:52a6d0ffd8e5 347 return -1;
gert_lauritsen 61:52a6d0ffd8e5 348 for (uint32_t b = block_number; b < block_number + count; b++) {
gert_lauritsen 61:52a6d0ffd8e5 349 if (dataTransfer((uint8_t*)buffer, b, 1, DEVICE_TO_HOST))
gert_lauritsen 61:52a6d0ffd8e5 350 return -1;
gert_lauritsen 61:52a6d0ffd8e5 351 buffer += 512;
gert_lauritsen 61:52a6d0ffd8e5 352 }
gert_lauritsen 61:52a6d0ffd8e5 353 return 0;
gert_lauritsen 61:52a6d0ffd8e5 354 }
gert_lauritsen 61:52a6d0ffd8e5 355
gert_lauritsen 61:52a6d0ffd8e5 356 uint32_t USBHostMSD::disk_sectors() {
gert_lauritsen 61:52a6d0ffd8e5 357 USB_DBG("FILESYSTEM: sectors");
gert_lauritsen 61:52a6d0ffd8e5 358 if (!disk_init) {
gert_lauritsen 61:52a6d0ffd8e5 359 disk_initialize();
gert_lauritsen 61:52a6d0ffd8e5 360 }
gert_lauritsen 61:52a6d0ffd8e5 361 if (!disk_init)
gert_lauritsen 61:52a6d0ffd8e5 362 return 0;
gert_lauritsen 61:52a6d0ffd8e5 363 return blockCount;
gert_lauritsen 61:52a6d0ffd8e5 364 }
gert_lauritsen 61:52a6d0ffd8e5 365
gert_lauritsen 61:52a6d0ffd8e5 366 #endif