koikelab / USBHost

added USB host

Dependencies:   FATFileSystem mbed-rtos

Dependents:   app-board-Speaker

Fork of USBHost by mbed official

USBHostMSD/USBHostMSD.h@4:b320d68e98e7, 2013-03-12 (annotated)

Committer:
samux
Date:
Tue Mar 12 17:23:37 2013 +0000
Revision:
4:b320d68e98e7
Parent:
3:0f5c32575eb8
Child:
8:93da8ea2708b
bug fixes - support composite device

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:a554658735bf 1 /* Copyright (c) 2010-2012 mbed.org, MIT License
mbed_official 0:a554658735bf 2 *
mbed_official 0:a554658735bf 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
mbed_official 0:a554658735bf 4 * and associated documentation files (the "Software"), to deal in the Software without
mbed_official 0:a554658735bf 5 * restriction, including without limitation the rights to use, copy, modify, merge, publish,
mbed_official 0:a554658735bf 6 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
mbed_official 0:a554658735bf 7 * Software is furnished to do so, subject to the following conditions:
mbed_official 0:a554658735bf 8 *
mbed_official 0:a554658735bf 9 * The above copyright notice and this permission notice shall be included in all copies or
mbed_official 0:a554658735bf 10 * substantial portions of the Software.
mbed_official 0:a554658735bf 11 *
mbed_official 0:a554658735bf 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
mbed_official 0:a554658735bf 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
mbed_official 0:a554658735bf 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
mbed_official 0:a554658735bf 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
mbed_official 0:a554658735bf 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
mbed_official 0:a554658735bf 17 */
mbed_official 0:a554658735bf 18
mbed_official 0:a554658735bf 19 #ifndef USBHOSTMSD_H
mbed_official 0:a554658735bf 20 #define USBHOSTMSD_H
mbed_official 0:a554658735bf 21
mbed_official 0:a554658735bf 22 #include "USBHostConf.h"
mbed_official 0:a554658735bf 23
mbed_official 0:a554658735bf 24 #if USBHOST_MSD
mbed_official 0:a554658735bf 25
mbed_official 0:a554658735bf 26 #include "USBHost.h"
mbed_official 0:a554658735bf 27 #include "FATFileSystem.h"
mbed_official 0:a554658735bf 28
mbed_official 0:a554658735bf 29 /**
samux 1:0a457e34fa9e 30 * A class to communicate a USB flash disk
mbed_official 0:a554658735bf 31 */
mbed_official 0:a554658735bf 32 class USBHostMSD : public IUSBEnumerator, public FATFileSystem {
mbed_official 0:a554658735bf 33 public:
mbed_official 0:a554658735bf 34 /**
mbed_official 0:a554658735bf 35 * Constructor
mbed_official 0:a554658735bf 36 *
mbed_official 0:a554658735bf 37 * @param rootdir mount name
mbed_official 0:a554658735bf 38 */
mbed_official 0:a554658735bf 39 USBHostMSD(const char * rootdir);
mbed_official 0:a554658735bf 40
mbed_official 0:a554658735bf 41 /**
mbed_official 0:a554658735bf 42 * Check if a MSD device is connected
mbed_official 0:a554658735bf 43 *
mbed_official 0:a554658735bf 44 * @return true if a MSD device is connected
mbed_official 0:a554658735bf 45 */
mbed_official 0:a554658735bf 46 bool connected();
mbed_official 0:a554658735bf 47
samux 3:0f5c32575eb8 48 /**
mbed_official 0:a554658735bf 49 * Try to connect to a MSD device
mbed_official 0:a554658735bf 50 *
samux 3:0f5c32575eb8 51 * @return true if connection was successful
mbed_official 0:a554658735bf 52 */
mbed_official 0:a554658735bf 53 bool connect();
mbed_official 0:a554658735bf 54
mbed_official 0:a554658735bf 55 protected:
mbed_official 0:a554658735bf 56 //From IUSBEnumerator
mbed_official 0:a554658735bf 57 virtual void setVidPid(uint16_t vid, uint16_t pid);
mbed_official 0:a554658735bf 58 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
mbed_official 0:a554658735bf 59 virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
mbed_official 0:a554658735bf 60
mbed_official 0:a554658735bf 61 // From FATFileSystem
mbed_official 0:a554658735bf 62 virtual int disk_initialize();
mbed_official 0:a554658735bf 63 virtual int disk_status() {return 0;};
mbed_official 0:a554658735bf 64 virtual int disk_read(uint8_t * buffer, uint64_t sector);
mbed_official 0:a554658735bf 65 virtual int disk_write(const uint8_t * buffer, uint64_t sector);
mbed_official 0:a554658735bf 66 virtual int disk_sync() {return 0;};
mbed_official 0:a554658735bf 67 virtual uint64_t disk_sectors();
mbed_official 0:a554658735bf 68
mbed_official 0:a554658735bf 69 private:
mbed_official 0:a554658735bf 70 USBHost * host;
mbed_official 0:a554658735bf 71 USBDeviceConnected * dev;
mbed_official 0:a554658735bf 72 bool dev_connected;
mbed_official 0:a554658735bf 73 USBEndpoint * bulk_in;
mbed_official 0:a554658735bf 74 USBEndpoint * bulk_out;
samux 4:b320d68e98e7 75 uint8_t nb_ep;
mbed_official 0:a554658735bf 76
mbed_official 0:a554658735bf 77 // Bulk-only CBW
mbed_official 0:a554658735bf 78 typedef __packed struct {
mbed_official 0:a554658735bf 79 uint32_t Signature;
mbed_official 0:a554658735bf 80 uint32_t Tag;
mbed_official 0:a554658735bf 81 uint32_t DataLength;
mbed_official 0:a554658735bf 82 uint8_t Flags;
mbed_official 0:a554658735bf 83 uint8_t LUN;
mbed_official 0:a554658735bf 84 uint8_t CBLength;
mbed_official 0:a554658735bf 85 uint8_t CB[16];
mbed_official 0:a554658735bf 86 } CBW;
mbed_official 0:a554658735bf 87
mbed_official 0:a554658735bf 88 // Bulk-only CSW
mbed_official 0:a554658735bf 89 typedef __packed struct {
mbed_official 0:a554658735bf 90 uint32_t Signature;
mbed_official 0:a554658735bf 91 uint32_t Tag;
mbed_official 0:a554658735bf 92 uint32_t DataResidue;
mbed_official 0:a554658735bf 93 uint8_t Status;
mbed_official 0:a554658735bf 94 } CSW;
mbed_official 0:a554658735bf 95
mbed_official 0:a554658735bf 96 CBW cbw;
mbed_official 0:a554658735bf 97 CSW csw;
mbed_official 0:a554658735bf 98
mbed_official 0:a554658735bf 99 int SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len);
mbed_official 0:a554658735bf 100 int testUnitReady();
mbed_official 0:a554658735bf 101 int readCapacity();
mbed_official 0:a554658735bf 102 int inquiry(uint8_t lun, uint8_t page_code);
mbed_official 0:a554658735bf 103 int SCSIRequestSense();
mbed_official 0:a554658735bf 104 int dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction);
mbed_official 0:a554658735bf 105 int checkResult(uint8_t res, USBEndpoint * ep);
samux 4:b320d68e98e7 106 int getMaxLun();
mbed_official 0:a554658735bf 107
mbed_official 0:a554658735bf 108 int blockSize;
mbed_official 0:a554658735bf 109 uint64_t blockCount;
mbed_official 0:a554658735bf 110
mbed_official 0:a554658735bf 111 int msd_intf;
mbed_official 0:a554658735bf 112 bool msd_device_found;
mbed_official 0:a554658735bf 113 bool disk_init;
mbed_official 0:a554658735bf 114
mbed_official 0:a554658735bf 115 void init();
mbed_official 0:a554658735bf 116
mbed_official 0:a554658735bf 117 };
mbed_official 0:a554658735bf 118
mbed_official 0:a554658735bf 119 #endif
mbed_official 0:a554658735bf 120
mbed_official 0:a554658735bf 121 #endif