Wiljan Arias / WhexReefMonitor

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Dependencies:   mbed-rtos EthernetInterface FatFileSystemCpp MCP23S17 SDFileSystem mbed

Fork of HTTPServerHelloWorld by Donatien Garnier

HardwareDrivers/MscFileSystem/MSCFileSystem.cpp@6:b2c4687b421d, 2014-02-02 (annotated)

Committer:
wyunreal
Date:
Sun Feb 02 16:57:24 2014 +0000
Revision:
6:b2c4687b421d
Adding support for mass storage devices and making new request handlers to provide access to the webApp sources and logs

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wyunreal 6:b2c4687b421d 1 /* USB Mass Storage device file system
wyunreal 6:b2c4687b421d 2 * Copyrigh (c) 2010, Igor Skochinsky
wyunreal 6:b2c4687b421d 3 * based on SDFileStorage
wyunreal 6:b2c4687b421d 4 * Copyright (c) 2008-2009, sford
wyunreal 6:b2c4687b421d 5 */
wyunreal 6:b2c4687b421d 6
wyunreal 6:b2c4687b421d 7 /* Introduction
wyunreal 6:b2c4687b421d 8 * ------------
wyunreal 6:b2c4687b421d 9 * TODO: write one
wyunreal 6:b2c4687b421d 10 * we're basically using NXP's USBHotLite sample code, just plugging in our own FAT library
wyunreal 6:b2c4687b421d 11 */
wyunreal 6:b2c4687b421d 12
wyunreal 6:b2c4687b421d 13 #include "MSCFileSystem.h"
wyunreal 6:b2c4687b421d 14 #include "usbhost_inc.h"
wyunreal 6:b2c4687b421d 15
wyunreal 6:b2c4687b421d 16 MSCFileSystem::MSCFileSystem(const char* name) :
wyunreal 6:b2c4687b421d 17 FATFileSystem(name)
wyunreal 6:b2c4687b421d 18 {
wyunreal 6:b2c4687b421d 19 }
wyunreal 6:b2c4687b421d 20
wyunreal 6:b2c4687b421d 21 void print_inquiry(USB_INT08U *inqReply)
wyunreal 6:b2c4687b421d 22 {
wyunreal 6:b2c4687b421d 23 // see USB Mass Storage Class – UFI Command Specification,
wyunreal 6:b2c4687b421d 24 // 4.2 INQUIRY Command
wyunreal 6:b2c4687b421d 25 printf("Inquiry reply:\n");
wyunreal 6:b2c4687b421d 26 uint8_t tmp = inqReply[0]&0x1F;
wyunreal 6:b2c4687b421d 27 printf("Peripheral device type: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 28 if ( tmp == 0 )
wyunreal 6:b2c4687b421d 29 printf("\t- Direct access (floppy)\n");
wyunreal 6:b2c4687b421d 30 else if ( tmp == 0x1F )
wyunreal 6:b2c4687b421d 31 printf("\t- none (no FDD connected)\n");
wyunreal 6:b2c4687b421d 32 else
wyunreal 6:b2c4687b421d 33 printf("\t- unknown type\n");
wyunreal 6:b2c4687b421d 34 tmp = inqReply[1] >> 7;
wyunreal 6:b2c4687b421d 35 printf("Removable Media Bit: %d\n", tmp);
wyunreal 6:b2c4687b421d 36 tmp = inqReply[2] & 3;
wyunreal 6:b2c4687b421d 37 printf("ANSI Version: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 38 if ( tmp != 0 )
wyunreal 6:b2c4687b421d 39 printf("\t- warning! must be 0\n");
wyunreal 6:b2c4687b421d 40 tmp = (inqReply[2]>>3) & 3;
wyunreal 6:b2c4687b421d 41 printf("ECMA Version: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 42 if ( tmp != 0 )
wyunreal 6:b2c4687b421d 43 printf("\t- warning! should be 0\n");
wyunreal 6:b2c4687b421d 44 tmp = inqReply[2]>>6;
wyunreal 6:b2c4687b421d 45 printf("ISO Version: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 46 if ( tmp != 0 )
wyunreal 6:b2c4687b421d 47 printf("\t- warning! should be 0\n");
wyunreal 6:b2c4687b421d 48 tmp = inqReply[3] & 0xF;
wyunreal 6:b2c4687b421d 49 printf("Response Data Format: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 50 if ( tmp != 1 )
wyunreal 6:b2c4687b421d 51 printf("\t- warning! should be 1\n");
wyunreal 6:b2c4687b421d 52 tmp = inqReply[4];
wyunreal 6:b2c4687b421d 53 printf("Additional length: %02Xh\n", tmp);
wyunreal 6:b2c4687b421d 54 if ( tmp != 0x1F )
wyunreal 6:b2c4687b421d 55 printf("\t- warning! should be 1Fh\n");
wyunreal 6:b2c4687b421d 56 printf("Vendor Information: '%.8s'\n", &inqReply[8]);
wyunreal 6:b2c4687b421d 57 printf("Product Identification: '%.16s'\n", &inqReply[16]);
wyunreal 6:b2c4687b421d 58 printf("Product Revision: '%.4s'\n", &inqReply[32]);
wyunreal 6:b2c4687b421d 59 }
wyunreal 6:b2c4687b421d 60
wyunreal 6:b2c4687b421d 61 int MSCFileSystem::initialise_msc()
wyunreal 6:b2c4687b421d 62 {
wyunreal 6:b2c4687b421d 63 USB_INT32S rc;
wyunreal 6:b2c4687b421d 64 USB_INT08U inquiryResult[INQUIRY_LENGTH];
wyunreal 6:b2c4687b421d 65
wyunreal 6:b2c4687b421d 66 //print_clock();
wyunreal 6:b2c4687b421d 67 Host_Init(); /* Initialize the host controller */
wyunreal 6:b2c4687b421d 68 rc = Host_EnumDev(); /* Enumerate the device connected */
wyunreal 6:b2c4687b421d 69 if (rc != OK)
wyunreal 6:b2c4687b421d 70 {
wyunreal 6:b2c4687b421d 71 fprintf(stderr, "Could not enumerate device: %d\n", rc);
wyunreal 6:b2c4687b421d 72 return rc;
wyunreal 6:b2c4687b421d 73 }
wyunreal 6:b2c4687b421d 74
wyunreal 6:b2c4687b421d 75
wyunreal 6:b2c4687b421d 76 /* Initialize the mass storage and scsi interfaces */
wyunreal 6:b2c4687b421d 77 rc = MS_Init( &_blkSize, &_numBlks, inquiryResult );
wyunreal 6:b2c4687b421d 78 if (rc != OK)
wyunreal 6:b2c4687b421d 79 {
wyunreal 6:b2c4687b421d 80 fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc);
wyunreal 6:b2c4687b421d 81 return rc;
wyunreal 6:b2c4687b421d 82 }
wyunreal 6:b2c4687b421d 83 printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize);
wyunreal 6:b2c4687b421d 84 print_inquiry(inquiryResult);
wyunreal 6:b2c4687b421d 85 // FATFileSystem supports only 512-byte blocks
wyunreal 6:b2c4687b421d 86 return _blkSize == 512 ? OK : 1;
wyunreal 6:b2c4687b421d 87 }
wyunreal 6:b2c4687b421d 88
wyunreal 6:b2c4687b421d 89 int MSCFileSystem::disk_initialize()
wyunreal 6:b2c4687b421d 90 {
wyunreal 6:b2c4687b421d 91 if ( initialise_msc() != OK )
wyunreal 6:b2c4687b421d 92 return 1;
wyunreal 6:b2c4687b421d 93
wyunreal 6:b2c4687b421d 94 return 0;
wyunreal 6:b2c4687b421d 95 }
wyunreal 6:b2c4687b421d 96
wyunreal 6:b2c4687b421d 97 int MSCFileSystem::disk_write(const char *buffer, int block_number)
wyunreal 6:b2c4687b421d 98 {
wyunreal 6:b2c4687b421d 99 if ( OK == MS_BulkSend(block_number, 1, (USB_INT08U *)buffer) )
wyunreal 6:b2c4687b421d 100 return 0;
wyunreal 6:b2c4687b421d 101 return 1;
wyunreal 6:b2c4687b421d 102 }
wyunreal 6:b2c4687b421d 103
wyunreal 6:b2c4687b421d 104 int MSCFileSystem::disk_read(char *buffer, int block_number)
wyunreal 6:b2c4687b421d 105 {
wyunreal 6:b2c4687b421d 106 if ( OK == MS_BulkRecv(block_number, 1, (USB_INT08U *)buffer) )
wyunreal 6:b2c4687b421d 107 return 0;
wyunreal 6:b2c4687b421d 108 return 1;
wyunreal 6:b2c4687b421d 109 }
wyunreal 6:b2c4687b421d 110
wyunreal 6:b2c4687b421d 111 int MSCFileSystem::disk_status() { return 0; }
wyunreal 6:b2c4687b421d 112 int MSCFileSystem::disk_sync() { return 0; }
wyunreal 6:b2c4687b421d 113 int MSCFileSystem::disk_sectors() { return _numBlks; }