Nitin Shukla / LED_Demo

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Dependencies:   MAX44000 nexpaq_mdk

Fork of LED_Demo by Maxim nexpaq

mbd_os/libraries/USBHost/USBHostMSD/USBHostMSD.h@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
checking in for sharing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed USBHost Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16
nexpaq 1:55a6170b404f 17 #ifndef USBHOSTMSD_H
nexpaq 1:55a6170b404f 18 #define USBHOSTMSD_H
nexpaq 1:55a6170b404f 19
nexpaq 1:55a6170b404f 20 #include "USBHostConf.h"
nexpaq 1:55a6170b404f 21
nexpaq 1:55a6170b404f 22 #if USBHOST_MSD
nexpaq 1:55a6170b404f 23
nexpaq 1:55a6170b404f 24 #include "USBHost.h"
nexpaq 1:55a6170b404f 25 #include "FATFileSystem.h"
nexpaq 1:55a6170b404f 26
nexpaq 1:55a6170b404f 27 /**
nexpaq 1:55a6170b404f 28 * A class to communicate a USB flash disk
nexpaq 1:55a6170b404f 29 */
nexpaq 1:55a6170b404f 30 class USBHostMSD : public IUSBEnumerator, public FATFileSystem {
nexpaq 1:55a6170b404f 31 public:
nexpaq 1:55a6170b404f 32 /**
nexpaq 1:55a6170b404f 33 * Constructor
nexpaq 1:55a6170b404f 34 *
nexpaq 1:55a6170b404f 35 * @param rootdir mount name
nexpaq 1:55a6170b404f 36 */
nexpaq 1:55a6170b404f 37 USBHostMSD(const char * rootdir);
nexpaq 1:55a6170b404f 38
nexpaq 1:55a6170b404f 39 /**
nexpaq 1:55a6170b404f 40 * Check if a MSD device is connected
nexpaq 1:55a6170b404f 41 *
nexpaq 1:55a6170b404f 42 * @return true if a MSD device is connected
nexpaq 1:55a6170b404f 43 */
nexpaq 1:55a6170b404f 44 bool connected();
nexpaq 1:55a6170b404f 45
nexpaq 1:55a6170b404f 46 /**
nexpaq 1:55a6170b404f 47 * Try to connect to a MSD device
nexpaq 1:55a6170b404f 48 *
nexpaq 1:55a6170b404f 49 * @return true if connection was successful
nexpaq 1:55a6170b404f 50 */
nexpaq 1:55a6170b404f 51 bool connect();
nexpaq 1:55a6170b404f 52
nexpaq 1:55a6170b404f 53 protected:
nexpaq 1:55a6170b404f 54 //From IUSBEnumerator
nexpaq 1:55a6170b404f 55 virtual void setVidPid(uint16_t vid, uint16_t pid);
nexpaq 1:55a6170b404f 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 1:55a6170b404f 57 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
nexpaq 1:55a6170b404f 58
nexpaq 1:55a6170b404f 59 // From FATFileSystem
nexpaq 1:55a6170b404f 60 virtual int disk_initialize();
nexpaq 1:55a6170b404f 61 virtual int disk_status() {return 0;};
nexpaq 1:55a6170b404f 62 virtual int disk_read(uint8_t* buffer, uint32_t sector, uint32_t count);
nexpaq 1:55a6170b404f 63 virtual int disk_write(const uint8_t* buffer, uint32_t sector, uint32_t count);
nexpaq 1:55a6170b404f 64 virtual int disk_sync() {return 0;};
nexpaq 1:55a6170b404f 65 virtual uint32_t disk_sectors();
nexpaq 1:55a6170b404f 66
nexpaq 1:55a6170b404f 67 private:
nexpaq 1:55a6170b404f 68 USBHost * host;
nexpaq 1:55a6170b404f 69 USBDeviceConnected * dev;
nexpaq 1:55a6170b404f 70 bool dev_connected;
nexpaq 1:55a6170b404f 71 USBEndpoint * bulk_in;
nexpaq 1:55a6170b404f 72 USBEndpoint * bulk_out;
nexpaq 1:55a6170b404f 73 uint8_t nb_ep;
nexpaq 1:55a6170b404f 74
nexpaq 1:55a6170b404f 75 // Bulk-only CBW
nexpaq 1:55a6170b404f 76 typedef struct {
nexpaq 1:55a6170b404f 77 uint32_t Signature;
nexpaq 1:55a6170b404f 78 uint32_t Tag;
nexpaq 1:55a6170b404f 79 uint32_t DataLength;
nexpaq 1:55a6170b404f 80 uint8_t Flags;
nexpaq 1:55a6170b404f 81 uint8_t LUN;
nexpaq 1:55a6170b404f 82 uint8_t CBLength;
nexpaq 1:55a6170b404f 83 uint8_t CB[16];
nexpaq 1:55a6170b404f 84 } PACKED CBW;
nexpaq 1:55a6170b404f 85
nexpaq 1:55a6170b404f 86 // Bulk-only CSW
nexpaq 1:55a6170b404f 87 typedef struct {
nexpaq 1:55a6170b404f 88 uint32_t Signature;
nexpaq 1:55a6170b404f 89 uint32_t Tag;
nexpaq 1:55a6170b404f 90 uint32_t DataResidue;
nexpaq 1:55a6170b404f 91 uint8_t Status;
nexpaq 1:55a6170b404f 92 } PACKED CSW;
nexpaq 1:55a6170b404f 93
nexpaq 1:55a6170b404f 94 CBW cbw;
nexpaq 1:55a6170b404f 95 CSW csw;
nexpaq 1:55a6170b404f 96
nexpaq 1:55a6170b404f 97 int SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len);
nexpaq 1:55a6170b404f 98 int testUnitReady();
nexpaq 1:55a6170b404f 99 int readCapacity();
nexpaq 1:55a6170b404f 100 int inquiry(uint8_t lun, uint8_t page_code);
nexpaq 1:55a6170b404f 101 int SCSIRequestSense();
nexpaq 1:55a6170b404f 102 int dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction);
nexpaq 1:55a6170b404f 103 int checkResult(uint8_t res, USBEndpoint * ep);
nexpaq 1:55a6170b404f 104 int getMaxLun();
nexpaq 1:55a6170b404f 105
nexpaq 1:55a6170b404f 106 int blockSize;
nexpaq 1:55a6170b404f 107 uint32_t blockCount;
nexpaq 1:55a6170b404f 108
nexpaq 1:55a6170b404f 109 int msd_intf;
nexpaq 1:55a6170b404f 110 bool msd_device_found;
nexpaq 1:55a6170b404f 111 bool disk_init;
nexpaq 1:55a6170b404f 112
nexpaq 1:55a6170b404f 113 void init();
nexpaq 1:55a6170b404f 114
nexpaq 1:55a6170b404f 115 };
nexpaq 1:55a6170b404f 116
nexpaq 1:55a6170b404f 117 #endif
nexpaq 1:55a6170b404f 118
nexpaq 1:55a6170b404f 119 #endif