Norimasa Okamoto / F401RE-USBHost

Simple USBHost ｌibrary for Nucleo F446RE/F411RE/F401RE FRDM-KL46Z/KL25Z/F64F LPC4088/LPC1768

Dependencies:   FATFileSystem

Dependents:   F401RE-BTstack_example F401RE-USBHostMSD_HelloWorld

Fork of KL46Z-USBHost by Norimasa Okamoto

簡易USBホストライブラリです。
official-USBHostの下位互換で対応プログラムを僅かな修正で動かすことが出来ます。

Platforms

  • Nucleo F446RE
  • Nucleo F411RE
  • Nucleo F401RE
  • FRDM-K64F
  • FRDM-KL46Z
  • FRDM-KL25Z
  • LPC4088
  • LPC1768

Nucleo F446RE/F411RE/F401REのUSB接続方法

ST morphoUSB
U5V (CN10-8)VBUS　(1 RED)
PA11 (CN10-14)DM　 (2 WHITE)
PA12 (CN10-12)DP　 (3 GREEN)
GND (CN10-20)GND　(4 BLACK)

Examples

Import programF446RE-USBHostMouse_HelloWorld

USBHostMouse Hello World for ST-Nucleo-F446RE

Last commit 01 May 2016 by Norimasa Okamoto

Import programF401RE-USBHostMSD_HelloWorld

Simple USBHost MSD(USB flash drive) for Nucleo F401RE/FRDM-KL46Z test program

Last commit 13 Jun 2014 by Norimasa Okamoto

Import programF401RE-USBHostC270_example

Simple USBHost WebCam test program

Last commit 01 May 2016 by Norimasa Okamoto

Import programK64F_USBHostC270_example

Simple USBHost C270 example

Last commit 08 Aug 2014 by FRDM-K64F Code Share

Import programF401RE-BTstack_example

BTstack for Nucleo F401RE/FRDM-KL46Z example program

Last commit 09 Jun 2014 by Norimasa Okamoto

Import programUSBHostRSSI_example

Bluetooth device discovery example program.

Last commit 10 Jul 2014 by Norimasa Okamoto

Import programKL46Z-USBHostGPS_HelloWorld

Simple USBHost GPS Dongle Receiver for FRDM-KL46Z test program

Last commit 05 Feb 2014 by Norimasa Okamoto

USBHostMSD/USBHostMSD.cpp@8:6463cd1964c0, 2014-01-31 (annotated)

Committer:
va009039
Date:
Fri Jan 31 13:45:07 2014 +0000
Revision:
8:6463cd1964c0
Parent:
3:a3872f7593e2
Child:
9:7f9f64cf5ded
USB hub support.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 3:a3872f7593e2 1 /* mbed USBHost Library
va009039 3:a3872f7593e2 2 * Copyright (c) 2006-2013 ARM Limited
va009039 3:a3872f7593e2 3 *
va009039 3:a3872f7593e2 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 3:a3872f7593e2 5 * you may not use this file except in compliance with the License.
va009039 3:a3872f7593e2 6 * You may obtain a copy of the License at
va009039 3:a3872f7593e2 7 *
va009039 3:a3872f7593e2 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 3:a3872f7593e2 9 *
va009039 3:a3872f7593e2 10 * Unless required by applicable law or agreed to in writing, software
va009039 3:a3872f7593e2 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 3:a3872f7593e2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 3:a3872f7593e2 13 * See the License for the specific language governing permissions and
va009039 3:a3872f7593e2 14 * limitations under the License.
va009039 3:a3872f7593e2 15 */
va009039 3:a3872f7593e2 16
va009039 3:a3872f7593e2 17 #include "USBHostMSD.h"
va009039 3:a3872f7593e2 18
va009039 3:a3872f7593e2 19 #define CBW_SIGNATURE 0x43425355
va009039 3:a3872f7593e2 20 #define CSW_SIGNATURE 0x53425355
va009039 3:a3872f7593e2 21
va009039 3:a3872f7593e2 22 #define DEVICE_TO_HOST 0x80
va009039 3:a3872f7593e2 23 #define HOST_TO_DEVICE 0x00
va009039 3:a3872f7593e2 24
va009039 3:a3872f7593e2 25 #define GET_MAX_LUN (0xFE)
va009039 3:a3872f7593e2 26 #define BO_MASS_STORAGE_RESET (0xFF)
va009039 3:a3872f7593e2 27
va009039 3:a3872f7593e2 28 USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
va009039 3:a3872f7593e2 29 {
va009039 3:a3872f7593e2 30 host = USBHost::getHostInst();
va009039 3:a3872f7593e2 31 init();
va009039 3:a3872f7593e2 32 }
va009039 3:a3872f7593e2 33
va009039 3:a3872f7593e2 34 void USBHostMSD::init() {
va009039 3:a3872f7593e2 35 dev_connected = false;
va009039 3:a3872f7593e2 36 dev = NULL;
va009039 3:a3872f7593e2 37 bulk_in = NULL;
va009039 3:a3872f7593e2 38 bulk_out = NULL;
va009039 3:a3872f7593e2 39 dev_connected = false;
va009039 3:a3872f7593e2 40 blockSize = 0;
va009039 3:a3872f7593e2 41 blockCount = 0;
va009039 8:6463cd1964c0 42 msd_intf = -1;
va009039 3:a3872f7593e2 43 msd_device_found = false;
va009039 3:a3872f7593e2 44 disk_init = false;
va009039 3:a3872f7593e2 45 dev_connected = false;
va009039 3:a3872f7593e2 46 nb_ep = 0;
va009039 3:a3872f7593e2 47 }
va009039 3:a3872f7593e2 48
va009039 3:a3872f7593e2 49 bool USBHostMSD::connected()
va009039 3:a3872f7593e2 50 {
va009039 8:6463cd1964c0 51 return dev_connected;
va009039 3:a3872f7593e2 52 }
va009039 3:a3872f7593e2 53
va009039 3:a3872f7593e2 54 bool USBHostMSD::connect()
va009039 3:a3872f7593e2 55 {
va009039 8:6463cd1964c0 56 if (dev_connected) {
va009039 8:6463cd1964c0 57 return true;
va009039 8:6463cd1964c0 58 }
va009039 8:6463cd1964c0 59
va009039 8:6463cd1964c0 60 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
va009039 8:6463cd1964c0 61 if ((dev = host->getDevice(i)) != NULL) {
va009039 8:6463cd1964c0 62
va009039 8:6463cd1964c0 63 //USB_DBG("Trying to connect MSD device dev=%p\n", dev);
va009039 8:6463cd1964c0 64
va009039 8:6463cd1964c0 65 if(host->enumerate(dev, this))
va009039 8:6463cd1964c0 66 break;
va009039 8:6463cd1964c0 67
va009039 8:6463cd1964c0 68 if (msd_device_found) {
va009039 8:6463cd1964c0 69 bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
va009039 8:6463cd1964c0 70 bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
va009039 8:6463cd1964c0 71
va009039 8:6463cd1964c0 72 if (!bulk_in || !bulk_out)
va009039 8:6463cd1964c0 73 continue;
va009039 8:6463cd1964c0 74
va009039 8:6463cd1964c0 75 USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf);
va009039 8:6463cd1964c0 76 dev->setName("MSD", msd_intf);
va009039 8:6463cd1964c0 77 host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
va009039 8:6463cd1964c0 78
va009039 8:6463cd1964c0 79 dev_connected = true;
va009039 8:6463cd1964c0 80 return true;
va009039 8:6463cd1964c0 81 }
va009039 8:6463cd1964c0 82 } //if()
va009039 8:6463cd1964c0 83 } //for()
va009039 8:6463cd1964c0 84 init();
va009039 8:6463cd1964c0 85 return false;
va009039 8:6463cd1964c0 86 }
va009039 8:6463cd1964c0 87
va009039 8:6463cd1964c0 88 /*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
va009039 8:6463cd1964c0 89 {
va009039 8:6463cd1964c0 90 USB_DBG2("vid:%04x pid:%04x", vid, pid);
va009039 8:6463cd1964c0 91 // we don't check VID/PID for MSD driver
va009039 8:6463cd1964c0 92 }
va009039 8:6463cd1964c0 93
va009039 8:6463cd1964c0 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
va009039 8:6463cd1964c0 95 {
va009039 8:6463cd1964c0 96 USB_DBG2("intf: %d class: %02x %02x %02x", intf_nb, intf_class, intf_subclass, intf_protocol);
va009039 8:6463cd1964c0 97
va009039 8:6463cd1964c0 98 if ((msd_intf == -1) &&
va009039 8:6463cd1964c0 99 (intf_class == MSD_CLASS) &&
va009039 8:6463cd1964c0 100 (intf_subclass == 0x06) &&
va009039 8:6463cd1964c0 101 (intf_protocol == 0x50)) {
va009039 8:6463cd1964c0 102 msd_intf = intf_nb;
va009039 8:6463cd1964c0 103 return true;
va009039 8:6463cd1964c0 104 }
va009039 8:6463cd1964c0 105 return false;
va009039 8:6463cd1964c0 106 }
va009039 8:6463cd1964c0 107
va009039 8:6463cd1964c0 108 /*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
va009039 8:6463cd1964c0 109 {
va009039 8:6463cd1964c0 110 USB_DBG2("intf_nb=%d type=%d dir=%d", intf_nb, type, dir);
va009039 8:6463cd1964c0 111 if (intf_nb == msd_intf) {
va009039 8:6463cd1964c0 112 if (type == BULK_ENDPOINT) {
va009039 8:6463cd1964c0 113 nb_ep++;
va009039 8:6463cd1964c0 114 if (nb_ep == 2)
va009039 8:6463cd1964c0 115 msd_device_found = true;
va009039 8:6463cd1964c0 116 return true;
va009039 8:6463cd1964c0 117 }
va009039 8:6463cd1964c0 118 }
va009039 8:6463cd1964c0 119 return false;
va009039 3:a3872f7593e2 120 }
va009039 3:a3872f7593e2 121
va009039 3:a3872f7593e2 122 int USBHostMSD::testUnitReady() {
va009039 3:a3872f7593e2 123 USB_DBG("Test unit ready");
va009039 3:a3872f7593e2 124 return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
va009039 3:a3872f7593e2 125 }
va009039 3:a3872f7593e2 126
va009039 3:a3872f7593e2 127
va009039 3:a3872f7593e2 128 int USBHostMSD::readCapacity() {
va009039 3:a3872f7593e2 129 USB_DBG("Read capacity");
va009039 3:a3872f7593e2 130 uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
va009039 3:a3872f7593e2 131 uint8_t result[8];
va009039 3:a3872f7593e2 132 int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
va009039 3:a3872f7593e2 133 if (status == 0) {
va009039 3:a3872f7593e2 134 blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
va009039 3:a3872f7593e2 135 blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
va009039 3:a3872f7593e2 136 USB_INFO("MSD blockCount: %lld, blockSize: %d, Capacity: %lld\r\n", blockCount, blockSize, blockCount*blockSize);
va009039 3:a3872f7593e2 137 }
va009039 3:a3872f7593e2 138 return status;
va009039 3:a3872f7593e2 139 }
va009039 3:a3872f7593e2 140
va009039 3:a3872f7593e2 141
va009039 3:a3872f7593e2 142 int USBHostMSD::SCSIRequestSense() {
va009039 3:a3872f7593e2 143 USB_DBG("Request sense");
va009039 3:a3872f7593e2 144 uint8_t cmd[6] = {0x03,0,0,0,18,0};
va009039 3:a3872f7593e2 145 uint8_t result[18];
va009039 3:a3872f7593e2 146 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 18);
va009039 3:a3872f7593e2 147 return status;
va009039 3:a3872f7593e2 148 }
va009039 3:a3872f7593e2 149
va009039 3:a3872f7593e2 150
va009039 3:a3872f7593e2 151 int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
va009039 3:a3872f7593e2 152 USB_DBG("Inquiry");
va009039 3:a3872f7593e2 153 uint8_t evpd = (page_code == 0) ? 0 : 1;
va009039 3:a3872f7593e2 154 uint8_t cmd[6] = {0x12, (lun << 5) | evpd, page_code, 0, 36, 0};
va009039 3:a3872f7593e2 155 uint8_t result[36];
va009039 3:a3872f7593e2 156 int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
va009039 3:a3872f7593e2 157 if (status == 0) {
va009039 3:a3872f7593e2 158 char vid_pid[17];
va009039 3:a3872f7593e2 159 memcpy(vid_pid, &result[8], 8);
va009039 3:a3872f7593e2 160 vid_pid[8] = 0;
va009039 3:a3872f7593e2 161 USB_INFO("MSD Vendor ID: %s", vid_pid);
va009039 3:a3872f7593e2 162
va009039 3:a3872f7593e2 163 memcpy(vid_pid, &result[16], 16);
va009039 3:a3872f7593e2 164 vid_pid[16] = 0;
va009039 3:a3872f7593e2 165 USB_INFO("MSD Product ID: %s", vid_pid);
va009039 3:a3872f7593e2 166
va009039 3:a3872f7593e2 167 memcpy(vid_pid, &result[32], 4);
va009039 3:a3872f7593e2 168 vid_pid[4] = 0;
va009039 3:a3872f7593e2 169 USB_INFO("MSD Product rev: %s", vid_pid);
va009039 3:a3872f7593e2 170 }
va009039 3:a3872f7593e2 171 return status;
va009039 3:a3872f7593e2 172 }
va009039 3:a3872f7593e2 173
va009039 3:a3872f7593e2 174 int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
va009039 3:a3872f7593e2 175 // if ep stalled: send clear feature
va009039 3:a3872f7593e2 176 if (res == USB_TYPE_STALL_ERROR) {
va009039 3:a3872f7593e2 177 res = host->controlWrite(dev,
va009039 3:a3872f7593e2 178 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 3:a3872f7593e2 179 CLEAR_FEATURE,
va009039 3:a3872f7593e2 180 0, ep->getAddress(), NULL, 0);
va009039 3:a3872f7593e2 181 // set state to IDLE if clear feature successful
va009039 3:a3872f7593e2 182 if (res == USB_TYPE_OK) {
va009039 3:a3872f7593e2 183 ep->setState(USB_TYPE_IDLE);
va009039 3:a3872f7593e2 184 }
va009039 3:a3872f7593e2 185 }
va009039 3:a3872f7593e2 186
va009039 3:a3872f7593e2 187 if (res != USB_TYPE_OK)
va009039 3:a3872f7593e2 188 return -1;
va009039 3:a3872f7593e2 189
va009039 3:a3872f7593e2 190 return 0;
va009039 3:a3872f7593e2 191 }
va009039 3:a3872f7593e2 192
va009039 3:a3872f7593e2 193
va009039 3:a3872f7593e2 194 int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
va009039 3:a3872f7593e2 195
va009039 3:a3872f7593e2 196 int res = 0;
va009039 3:a3872f7593e2 197
va009039 3:a3872f7593e2 198 cbw.Signature = CBW_SIGNATURE;
va009039 3:a3872f7593e2 199 cbw.Tag = 0;
va009039 3:a3872f7593e2 200 cbw.DataLength = transfer_len;
va009039 3:a3872f7593e2 201 cbw.Flags = flags;
va009039 3:a3872f7593e2 202 cbw.LUN = 0;
va009039 3:a3872f7593e2 203 cbw.CBLength = cmd_len;
va009039 3:a3872f7593e2 204 memset(cbw.CB,0,sizeof(cbw.CB));
va009039 3:a3872f7593e2 205 if (cmd) {
va009039 3:a3872f7593e2 206 memcpy(cbw.CB,cmd,cmd_len);
va009039 3:a3872f7593e2 207 }
va009039 3:a3872f7593e2 208
va009039 3:a3872f7593e2 209 // send the cbw
va009039 3:a3872f7593e2 210 USB_DBG("Send CBW");
va009039 3:a3872f7593e2 211 res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
va009039 3:a3872f7593e2 212 if (checkResult(res, bulk_out))
va009039 3:a3872f7593e2 213 return -1;
va009039 3:a3872f7593e2 214
va009039 3:a3872f7593e2 215 // data stage if needed
va009039 3:a3872f7593e2 216 if (data) {
va009039 3:a3872f7593e2 217 USB_DBG("data stage");
va009039 3:a3872f7593e2 218 if (flags == HOST_TO_DEVICE) {
va009039 3:a3872f7593e2 219
va009039 3:a3872f7593e2 220 res = host->bulkWrite(dev, bulk_out, data, transfer_len);
va009039 3:a3872f7593e2 221 if (checkResult(res, bulk_out))
va009039 3:a3872f7593e2 222 return -1;
va009039 3:a3872f7593e2 223
va009039 3:a3872f7593e2 224 } else if (flags == DEVICE_TO_HOST) {
va009039 3:a3872f7593e2 225
va009039 3:a3872f7593e2 226 res = host->bulkRead(dev, bulk_in, data, transfer_len);
va009039 3:a3872f7593e2 227 if (checkResult(res, bulk_in))
va009039 3:a3872f7593e2 228 return -1;
va009039 3:a3872f7593e2 229 }
va009039 3:a3872f7593e2 230 }
va009039 3:a3872f7593e2 231
va009039 3:a3872f7593e2 232 // status stage
va009039 3:a3872f7593e2 233 csw.Signature = 0;
va009039 3:a3872f7593e2 234 USB_DBG("Read CSW");
va009039 3:a3872f7593e2 235 res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
va009039 3:a3872f7593e2 236 if (checkResult(res, bulk_in))
va009039 3:a3872f7593e2 237 return -1;
va009039 3:a3872f7593e2 238
va009039 3:a3872f7593e2 239 if (csw.Signature != CSW_SIGNATURE) {
va009039 3:a3872f7593e2 240 return -1;
va009039 3:a3872f7593e2 241 }
va009039 3:a3872f7593e2 242
va009039 3:a3872f7593e2 243 USB_DBG("recv csw: status: %d", csw.Status);
va009039 3:a3872f7593e2 244
va009039 3:a3872f7593e2 245 // ModeSense?
va009039 3:a3872f7593e2 246 if ((csw.Status == 1) && (cmd[0] != 0x03)) {
va009039 3:a3872f7593e2 247 USB_DBG("request mode sense");
va009039 3:a3872f7593e2 248 return SCSIRequestSense();
va009039 3:a3872f7593e2 249 }
va009039 3:a3872f7593e2 250
va009039 3:a3872f7593e2 251 // perform reset recovery
va009039 3:a3872f7593e2 252 if ((csw.Status == 2) && (cmd[0] != 0x03)) {
va009039 3:a3872f7593e2 253
va009039 3:a3872f7593e2 254 // send Bulk-Only Mass Storage Reset request
va009039 3:a3872f7593e2 255 res = host->controlWrite( dev,
va009039 3:a3872f7593e2 256 USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS,
va009039 3:a3872f7593e2 257 BO_MASS_STORAGE_RESET,
va009039 3:a3872f7593e2 258 0, msd_intf, NULL, 0);
va009039 3:a3872f7593e2 259
va009039 3:a3872f7593e2 260 // unstall both endpoints
va009039 3:a3872f7593e2 261 res = host->controlWrite( dev,
va009039 3:a3872f7593e2 262 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 3:a3872f7593e2 263 CLEAR_FEATURE,
va009039 3:a3872f7593e2 264 0, bulk_in->getAddress(), NULL, 0);
va009039 3:a3872f7593e2 265
va009039 3:a3872f7593e2 266 res = host->controlWrite( dev,
va009039 3:a3872f7593e2 267 USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
va009039 3:a3872f7593e2 268 CLEAR_FEATURE,
va009039 3:a3872f7593e2 269 0, bulk_out->getAddress(), NULL, 0);
va009039 3:a3872f7593e2 270
va009039 3:a3872f7593e2 271 }
va009039 3:a3872f7593e2 272
va009039 3:a3872f7593e2 273 return csw.Status;
va009039 3:a3872f7593e2 274 }
va009039 3:a3872f7593e2 275
va009039 3:a3872f7593e2 276
va009039 3:a3872f7593e2 277 int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
va009039 3:a3872f7593e2 278 uint8_t cmd[10];
va009039 3:a3872f7593e2 279 memset(cmd,0,10);
va009039 3:a3872f7593e2 280 cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
va009039 3:a3872f7593e2 281
va009039 3:a3872f7593e2 282 cmd[2] = (block >> 24) & 0xff;
va009039 3:a3872f7593e2 283 cmd[3] = (block >> 16) & 0xff;
va009039 3:a3872f7593e2 284 cmd[4] = (block >> 8) & 0xff;
va009039 3:a3872f7593e2 285 cmd[5] = block & 0xff;
va009039 3:a3872f7593e2 286
va009039 3:a3872f7593e2 287 cmd[7] = (nbBlock >> 8) & 0xff;
va009039 3:a3872f7593e2 288 cmd[8] = nbBlock & 0xff;
va009039 3:a3872f7593e2 289
va009039 3:a3872f7593e2 290 return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
va009039 3:a3872f7593e2 291 }
va009039 3:a3872f7593e2 292
va009039 3:a3872f7593e2 293 int USBHostMSD::getMaxLun() {
va009039 3:a3872f7593e2 294 uint8_t buf[1], res;
va009039 3:a3872f7593e2 295 res = host->controlRead( dev, USB_RECIPIENT_INTERFACE | USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
va009039 3:a3872f7593e2 296 0xfe, 0, msd_intf, buf, 1);
va009039 3:a3872f7593e2 297 USB_DBG("max lun: %d", buf[0]);
va009039 3:a3872f7593e2 298 return res;
va009039 3:a3872f7593e2 299 }
va009039 3:a3872f7593e2 300
va009039 3:a3872f7593e2 301 int USBHostMSD::disk_initialize() {
va009039 3:a3872f7593e2 302 USB_DBG("FILESYSTEM: init");
va009039 3:a3872f7593e2 303 int i, timeout = 10;
va009039 3:a3872f7593e2 304
va009039 3:a3872f7593e2 305 //getMaxLun();
va009039 3:a3872f7593e2 306
va009039 3:a3872f7593e2 307 for (i = 0; i < timeout; i++) {
va009039 3:a3872f7593e2 308 wait_ms(100);
va009039 3:a3872f7593e2 309 if (!testUnitReady())
va009039 3:a3872f7593e2 310 break;
va009039 3:a3872f7593e2 311 }
va009039 3:a3872f7593e2 312
va009039 3:a3872f7593e2 313 if (i == timeout) {
va009039 3:a3872f7593e2 314 disk_init = false;
va009039 3:a3872f7593e2 315 return -1;
va009039 3:a3872f7593e2 316 }
va009039 3:a3872f7593e2 317
va009039 3:a3872f7593e2 318 inquiry(0, 0);
va009039 3:a3872f7593e2 319 disk_init = 1;
va009039 3:a3872f7593e2 320 return readCapacity();
va009039 3:a3872f7593e2 321 }
va009039 3:a3872f7593e2 322
va009039 3:a3872f7593e2 323 int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t block_number) {
va009039 3:a3872f7593e2 324 USB_DBG("FILESYSTEM: write block: %lld", block_number);
va009039 3:a3872f7593e2 325 if (!disk_init) {
va009039 3:a3872f7593e2 326 disk_initialize();
va009039 3:a3872f7593e2 327 }
va009039 3:a3872f7593e2 328 if (!disk_init)
va009039 3:a3872f7593e2 329 return -1;
va009039 3:a3872f7593e2 330 return dataTransfer((uint8_t *)buffer, block_number, 1, HOST_TO_DEVICE);
va009039 3:a3872f7593e2 331 }
va009039 3:a3872f7593e2 332
va009039 3:a3872f7593e2 333 int USBHostMSD::disk_read(uint8_t * buffer, uint64_t block_number) {
va009039 3:a3872f7593e2 334 USB_DBG("FILESYSTEM: read block %lld", block_number);
va009039 3:a3872f7593e2 335 if (!disk_init) {
va009039 3:a3872f7593e2 336 disk_initialize();
va009039 3:a3872f7593e2 337 }
va009039 3:a3872f7593e2 338 if (!disk_init)
va009039 3:a3872f7593e2 339 return -1;
va009039 3:a3872f7593e2 340 return dataTransfer((uint8_t *)buffer, block_number, 1, DEVICE_TO_HOST);
va009039 3:a3872f7593e2 341 }
va009039 3:a3872f7593e2 342
va009039 3:a3872f7593e2 343 uint64_t USBHostMSD::disk_sectors() {
va009039 3:a3872f7593e2 344 USB_DBG("FILESYSTEM: sectors");
va009039 3:a3872f7593e2 345 if (!disk_init) {
va009039 3:a3872f7593e2 346 disk_initialize();
va009039 3:a3872f7593e2 347 }
va009039 3:a3872f7593e2 348 if (!disk_init)
va009039 3:a3872f7593e2 349 return 0;
va009039 3:a3872f7593e2 350 return blockCount;
va009039 3:a3872f7593e2 351 }
va009039 3:a3872f7593e2 352