Joerg Schmalzl / USBHost_DISCO-F746NG_joerg

USB lib Joerg

Fork of USBHost_DISCO-F746NG by Dieter Graef

USBHostMSD/USBHostMSD.h@24:5396b6a93262, 2016-06-13 (annotated)

Committer:
DieterGraef
Date:
Mon Jun 13 17:21:07 2016 +0000
Revision:
24:5396b6a93262
Parent:
20:9827f135ccb6
Child:
25:7d6d9fc471bf
USB Host for STM32F746 DISCO Board. At the moment you can only use either the High Speed Port or the Fast Speed Port.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 14:b167f2b97cb7 1 /* mbed USBHost Library
va009039 14:b167f2b97cb7 2 * Copyright (c) 2006-2013 ARM Limited
va009039 14:b167f2b97cb7 3 *
va009039 14:b167f2b97cb7 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 14:b167f2b97cb7 5 * you may not use this file except in compliance with the License.
va009039 14:b167f2b97cb7 6 * You may obtain a copy of the License at
va009039 14:b167f2b97cb7 7 *
va009039 14:b167f2b97cb7 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 14:b167f2b97cb7 9 *
va009039 14:b167f2b97cb7 10 * Unless required by applicable law or agreed to in writing, software
va009039 14:b167f2b97cb7 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 14:b167f2b97cb7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 14:b167f2b97cb7 13 * See the License for the specific language governing permissions and
va009039 14:b167f2b97cb7 14 * limitations under the License.
va009039 14:b167f2b97cb7 15 */
va009039 14:b167f2b97cb7 16
va009039 14:b167f2b97cb7 17 #ifndef USBHOSTMSD_H
va009039 14:b167f2b97cb7 18 #define USBHOSTMSD_H
va009039 14:b167f2b97cb7 19
va009039 14:b167f2b97cb7 20 #include "USBHostConf.h"
va009039 14:b167f2b97cb7 21
va009039 14:b167f2b97cb7 22 #if USBHOST_MSD
va009039 14:b167f2b97cb7 23
va009039 14:b167f2b97cb7 24 #include "USBHost.h"
va009039 14:b167f2b97cb7 25 #include "FATFileSystem.h"
va009039 14:b167f2b97cb7 26
va009039 14:b167f2b97cb7 27 /**
va009039 14:b167f2b97cb7 28 * A class to communicate a USB flash disk
va009039 14:b167f2b97cb7 29 */
va009039 14:b167f2b97cb7 30 class USBHostMSD : public IUSBEnumerator, public FATFileSystem {
va009039 14:b167f2b97cb7 31 public:
va009039 14:b167f2b97cb7 32 /**
va009039 14:b167f2b97cb7 33 * Constructor
va009039 14:b167f2b97cb7 34 *
va009039 14:b167f2b97cb7 35 * @param rootdir mount name
va009039 14:b167f2b97cb7 36 */
DieterGraef 24:5396b6a93262 37 USBHostMSD(int Interface,const char * rootdir);
va009039 14:b167f2b97cb7 38
va009039 14:b167f2b97cb7 39 /**
va009039 14:b167f2b97cb7 40 * Check if a MSD device is connected
va009039 14:b167f2b97cb7 41 *
va009039 14:b167f2b97cb7 42 * @return true if a MSD device is connected
va009039 14:b167f2b97cb7 43 */
va009039 14:b167f2b97cb7 44 bool connected();
va009039 14:b167f2b97cb7 45
va009039 14:b167f2b97cb7 46 /**
va009039 14:b167f2b97cb7 47 * Try to connect to a MSD device
va009039 14:b167f2b97cb7 48 *
va009039 14:b167f2b97cb7 49 * @return true if connection was successful
va009039 14:b167f2b97cb7 50 */
va009039 14:b167f2b97cb7 51 bool connect();
va009039 14:b167f2b97cb7 52
va009039 14:b167f2b97cb7 53 protected:
va009039 14:b167f2b97cb7 54 //From IUSBEnumerator
va009039 14:b167f2b97cb7 55 virtual void setVidPid(uint16_t vid, uint16_t pid);
va009039 14:b167f2b97cb7 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
va009039 14:b167f2b97cb7 57 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
va009039 14:b167f2b97cb7 58
va009039 14:b167f2b97cb7 59 // From FATFileSystem
va009039 14:b167f2b97cb7 60 virtual int disk_initialize();
va009039 14:b167f2b97cb7 61 virtual int disk_status() {return 0;};
va009039 20:9827f135ccb6 62 virtual int disk_read(uint8_t * buffer, uint64_t sector, uint8_t count);
va009039 20:9827f135ccb6 63 virtual int disk_write(const uint8_t * buffer, uint64_t sector, uint8_t count);
va009039 14:b167f2b97cb7 64 virtual int disk_sync() {return 0;};
va009039 14:b167f2b97cb7 65 virtual uint64_t disk_sectors();
va009039 14:b167f2b97cb7 66
va009039 14:b167f2b97cb7 67 private:
va009039 14:b167f2b97cb7 68 USBHost * host;
va009039 14:b167f2b97cb7 69 USBDeviceConnected * dev;
va009039 14:b167f2b97cb7 70 bool dev_connected;
va009039 14:b167f2b97cb7 71 USBEndpoint * bulk_in;
va009039 14:b167f2b97cb7 72 USBEndpoint * bulk_out;
va009039 14:b167f2b97cb7 73 uint8_t nb_ep;
va009039 14:b167f2b97cb7 74
va009039 14:b167f2b97cb7 75 // Bulk-only CBW
va009039 14:b167f2b97cb7 76 typedef struct {
va009039 14:b167f2b97cb7 77 uint32_t Signature;
va009039 14:b167f2b97cb7 78 uint32_t Tag;
va009039 14:b167f2b97cb7 79 uint32_t DataLength;
va009039 14:b167f2b97cb7 80 uint8_t Flags;
va009039 14:b167f2b97cb7 81 uint8_t LUN;
va009039 14:b167f2b97cb7 82 uint8_t CBLength;
va009039 14:b167f2b97cb7 83 uint8_t CB[16];
va009039 14:b167f2b97cb7 84 } PACKED CBW;
va009039 14:b167f2b97cb7 85
va009039 14:b167f2b97cb7 86 // Bulk-only CSW
va009039 14:b167f2b97cb7 87 typedef struct {
va009039 14:b167f2b97cb7 88 uint32_t Signature;
va009039 14:b167f2b97cb7 89 uint32_t Tag;
va009039 14:b167f2b97cb7 90 uint32_t DataResidue;
va009039 14:b167f2b97cb7 91 uint8_t Status;
va009039 14:b167f2b97cb7 92 } PACKED CSW;
va009039 14:b167f2b97cb7 93
va009039 14:b167f2b97cb7 94 CBW cbw;
va009039 14:b167f2b97cb7 95 CSW csw;
va009039 14:b167f2b97cb7 96
va009039 14:b167f2b97cb7 97 int SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len);
va009039 14:b167f2b97cb7 98 int testUnitReady();
va009039 14:b167f2b97cb7 99 int readCapacity();
va009039 14:b167f2b97cb7 100 int inquiry(uint8_t lun, uint8_t page_code);
va009039 14:b167f2b97cb7 101 int SCSIRequestSense();
va009039 14:b167f2b97cb7 102 int dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction);
va009039 14:b167f2b97cb7 103 int checkResult(uint8_t res, USBEndpoint * ep);
va009039 14:b167f2b97cb7 104 int getMaxLun();
va009039 14:b167f2b97cb7 105
va009039 14:b167f2b97cb7 106 int blockSize;
va009039 14:b167f2b97cb7 107 uint64_t blockCount;
va009039 14:b167f2b97cb7 108
va009039 14:b167f2b97cb7 109 int msd_intf;
va009039 14:b167f2b97cb7 110 bool msd_device_found;
va009039 14:b167f2b97cb7 111 bool disk_init;
va009039 14:b167f2b97cb7 112
va009039 14:b167f2b97cb7 113 void init();
va009039 14:b167f2b97cb7 114
va009039 14:b167f2b97cb7 115 };
va009039 14:b167f2b97cb7 116
va009039 14:b167f2b97cb7 117 #endif
va009039 14:b167f2b97cb7 118
va009039 14:b167f2b97cb7 119 #endif