Maxim nexpaq / nexpaq_dev

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libraries/USBHost/USBHostMSD/USBHostMSD.h@0:6c56fb4bc5f0, 2016-11-04 (annotated)

Committer:
nexpaq
Date:
Fri Nov 04 20:27:58 2016 +0000
Revision:
0:6c56fb4bc5f0
Moving to library for sharing updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 0:6c56fb4bc5f0 1 /* mbed USBHost Library
nexpaq 0:6c56fb4bc5f0 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 0:6c56fb4bc5f0 3 *
nexpaq 0:6c56fb4bc5f0 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 0:6c56fb4bc5f0 5 * you may not use this file except in compliance with the License.
nexpaq 0:6c56fb4bc5f0 6 * You may obtain a copy of the License at
nexpaq 0:6c56fb4bc5f0 7 *
nexpaq 0:6c56fb4bc5f0 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 0:6c56fb4bc5f0 9 *
nexpaq 0:6c56fb4bc5f0 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 0:6c56fb4bc5f0 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 0:6c56fb4bc5f0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 0:6c56fb4bc5f0 13 * See the License for the specific language governing permissions and
nexpaq 0:6c56fb4bc5f0 14 * limitations under the License.
nexpaq 0:6c56fb4bc5f0 15 */
nexpaq 0:6c56fb4bc5f0 16
nexpaq 0:6c56fb4bc5f0 17 #ifndef USBHOSTMSD_H
nexpaq 0:6c56fb4bc5f0 18 #define USBHOSTMSD_H
nexpaq 0:6c56fb4bc5f0 19
nexpaq 0:6c56fb4bc5f0 20 #include "USBHostConf.h"
nexpaq 0:6c56fb4bc5f0 21
nexpaq 0:6c56fb4bc5f0 22 #if USBHOST_MSD
nexpaq 0:6c56fb4bc5f0 23
nexpaq 0:6c56fb4bc5f0 24 #include "USBHost.h"
nexpaq 0:6c56fb4bc5f0 25 #include "FATFileSystem.h"
nexpaq 0:6c56fb4bc5f0 26
nexpaq 0:6c56fb4bc5f0 27 /**
nexpaq 0:6c56fb4bc5f0 28 * A class to communicate a USB flash disk
nexpaq 0:6c56fb4bc5f0 29 */
nexpaq 0:6c56fb4bc5f0 30 class USBHostMSD : public IUSBEnumerator, public FATFileSystem {
nexpaq 0:6c56fb4bc5f0 31 public:
nexpaq 0:6c56fb4bc5f0 32 /**
nexpaq 0:6c56fb4bc5f0 33 * Constructor
nexpaq 0:6c56fb4bc5f0 34 *
nexpaq 0:6c56fb4bc5f0 35 * @param rootdir mount name
nexpaq 0:6c56fb4bc5f0 36 */
nexpaq 0:6c56fb4bc5f0 37 USBHostMSD(const char * rootdir);
nexpaq 0:6c56fb4bc5f0 38
nexpaq 0:6c56fb4bc5f0 39 /**
nexpaq 0:6c56fb4bc5f0 40 * Check if a MSD device is connected
nexpaq 0:6c56fb4bc5f0 41 *
nexpaq 0:6c56fb4bc5f0 42 * @return true if a MSD device is connected
nexpaq 0:6c56fb4bc5f0 43 */
nexpaq 0:6c56fb4bc5f0 44 bool connected();
nexpaq 0:6c56fb4bc5f0 45
nexpaq 0:6c56fb4bc5f0 46 /**
nexpaq 0:6c56fb4bc5f0 47 * Try to connect to a MSD device
nexpaq 0:6c56fb4bc5f0 48 *
nexpaq 0:6c56fb4bc5f0 49 * @return true if connection was successful
nexpaq 0:6c56fb4bc5f0 50 */
nexpaq 0:6c56fb4bc5f0 51 bool connect();
nexpaq 0:6c56fb4bc5f0 52
nexpaq 0:6c56fb4bc5f0 53 protected:
nexpaq 0:6c56fb4bc5f0 54 //From IUSBEnumerator
nexpaq 0:6c56fb4bc5f0 55 virtual void setVidPid(uint16_t vid, uint16_t pid);
nexpaq 0:6c56fb4bc5f0 56 virtual bool 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
nexpaq 0:6c56fb4bc5f0 57 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
nexpaq 0:6c56fb4bc5f0 58
nexpaq 0:6c56fb4bc5f0 59 // From FATFileSystem
nexpaq 0:6c56fb4bc5f0 60 virtual int disk_initialize();
nexpaq 0:6c56fb4bc5f0 61 virtual int disk_status() {return 0;};
nexpaq 0:6c56fb4bc5f0 62 virtual int disk_read(uint8_t* buffer, uint32_t sector, uint32_t count);
nexpaq 0:6c56fb4bc5f0 63 virtual int disk_write(const uint8_t* buffer, uint32_t sector, uint32_t count);
nexpaq 0:6c56fb4bc5f0 64 virtual int disk_sync() {return 0;};
nexpaq 0:6c56fb4bc5f0 65 virtual uint32_t disk_sectors();
nexpaq 0:6c56fb4bc5f0 66
nexpaq 0:6c56fb4bc5f0 67 private:
nexpaq 0:6c56fb4bc5f0 68 USBHost * host;
nexpaq 0:6c56fb4bc5f0 69 USBDeviceConnected * dev;
nexpaq 0:6c56fb4bc5f0 70 bool dev_connected;
nexpaq 0:6c56fb4bc5f0 71 USBEndpoint * bulk_in;
nexpaq 0:6c56fb4bc5f0 72 USBEndpoint * bulk_out;
nexpaq 0:6c56fb4bc5f0 73 uint8_t nb_ep;
nexpaq 0:6c56fb4bc5f0 74
nexpaq 0:6c56fb4bc5f0 75 // Bulk-only CBW
nexpaq 0:6c56fb4bc5f0 76 typedef struct {
nexpaq 0:6c56fb4bc5f0 77 uint32_t Signature;
nexpaq 0:6c56fb4bc5f0 78 uint32_t Tag;
nexpaq 0:6c56fb4bc5f0 79 uint32_t DataLength;
nexpaq 0:6c56fb4bc5f0 80 uint8_t Flags;
nexpaq 0:6c56fb4bc5f0 81 uint8_t LUN;
nexpaq 0:6c56fb4bc5f0 82 uint8_t CBLength;
nexpaq 0:6c56fb4bc5f0 83 uint8_t CB[16];
nexpaq 0:6c56fb4bc5f0 84 } PACKED CBW;
nexpaq 0:6c56fb4bc5f0 85
nexpaq 0:6c56fb4bc5f0 86 // Bulk-only CSW
nexpaq 0:6c56fb4bc5f0 87 typedef struct {
nexpaq 0:6c56fb4bc5f0 88 uint32_t Signature;
nexpaq 0:6c56fb4bc5f0 89 uint32_t Tag;
nexpaq 0:6c56fb4bc5f0 90 uint32_t DataResidue;
nexpaq 0:6c56fb4bc5f0 91 uint8_t Status;
nexpaq 0:6c56fb4bc5f0 92 } PACKED CSW;
nexpaq 0:6c56fb4bc5f0 93
nexpaq 0:6c56fb4bc5f0 94 CBW cbw;
nexpaq 0:6c56fb4bc5f0 95 CSW csw;
nexpaq 0:6c56fb4bc5f0 96
nexpaq 0:6c56fb4bc5f0 97 int SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len);
nexpaq 0:6c56fb4bc5f0 98 int testUnitReady();
nexpaq 0:6c56fb4bc5f0 99 int readCapacity();
nexpaq 0:6c56fb4bc5f0 100 int inquiry(uint8_t lun, uint8_t page_code);
nexpaq 0:6c56fb4bc5f0 101 int SCSIRequestSense();
nexpaq 0:6c56fb4bc5f0 102 int dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction);
nexpaq 0:6c56fb4bc5f0 103 int checkResult(uint8_t res, USBEndpoint * ep);
nexpaq 0:6c56fb4bc5f0 104 int getMaxLun();
nexpaq 0:6c56fb4bc5f0 105
nexpaq 0:6c56fb4bc5f0 106 int blockSize;
nexpaq 0:6c56fb4bc5f0 107 uint32_t blockCount;
nexpaq 0:6c56fb4bc5f0 108
nexpaq 0:6c56fb4bc5f0 109 int msd_intf;
nexpaq 0:6c56fb4bc5f0 110 bool msd_device_found;
nexpaq 0:6c56fb4bc5f0 111 bool disk_init;
nexpaq 0:6c56fb4bc5f0 112
nexpaq 0:6c56fb4bc5f0 113 void init();
nexpaq 0:6c56fb4bc5f0 114
nexpaq 0:6c56fb4bc5f0 115 };
nexpaq 0:6c56fb4bc5f0 116
nexpaq 0:6c56fb4bc5f0 117 #endif
nexpaq 0:6c56fb4bc5f0 118
nexpaq 0:6c56fb4bc5f0 119 #endif