Fontana Romain / Mbed 2 deprecated DHT11

Programme d'une sonde de température DHT 11 associée à de la sauvegarde de données sur clé USB et à l'affichage de ces données sur afficheur LCD

Dependencies:   FatFileSystemCpp mbed

MSCFileSystem.cpp@0:ed0b4e66d2ad, 2015-06-02 (annotated)

Committer:
Fanta025
Date:
Tue Jun 02 14:19:54 2015 +0000
Revision:
0:ed0b4e66d2ad
Programme d'une sonde de temp?rature DHT 11 associ?e ? de la sauvegarde de donn?es sur USB et un affichage sur ?cran LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Fanta025 0:ed0b4e66d2ad 1 /* USB Mass Storage device file system
Fanta025 0:ed0b4e66d2ad 2 * Copyrigh (c) 2010, Igor Skochinsky
Fanta025 0:ed0b4e66d2ad 3 * based on SDFileStorage
Fanta025 0:ed0b4e66d2ad 4 * Copyright (c) 2008-2009, sford
Fanta025 0:ed0b4e66d2ad 5 */
Fanta025 0:ed0b4e66d2ad 6
Fanta025 0:ed0b4e66d2ad 7 /* Introduction
Fanta025 0:ed0b4e66d2ad 8 * ------------
Fanta025 0:ed0b4e66d2ad 9 * TODO: write one
Fanta025 0:ed0b4e66d2ad 10 * we're basically using NXP's USBHotLite sample code, just plugging in our own FAT library
Fanta025 0:ed0b4e66d2ad 11 */
Fanta025 0:ed0b4e66d2ad 12
Fanta025 0:ed0b4e66d2ad 13 #include "MSCFileSystem.h"
Fanta025 0:ed0b4e66d2ad 14 #include "usbhost_inc.h"
Fanta025 0:ed0b4e66d2ad 15
Fanta025 0:ed0b4e66d2ad 16 MSCFileSystem::MSCFileSystem(const char* name) :
Fanta025 0:ed0b4e66d2ad 17 FATFileSystem(name)
Fanta025 0:ed0b4e66d2ad 18 {
Fanta025 0:ed0b4e66d2ad 19 }
Fanta025 0:ed0b4e66d2ad 20
Fanta025 0:ed0b4e66d2ad 21 void print_inquiry(USB_INT08U *inqReply)
Fanta025 0:ed0b4e66d2ad 22 {
Fanta025 0:ed0b4e66d2ad 23 // see USB Mass Storage Class – UFI Command Specification,
Fanta025 0:ed0b4e66d2ad 24 // 4.2 INQUIRY Command
Fanta025 0:ed0b4e66d2ad 25 printf("Inquiry reply:\n");
Fanta025 0:ed0b4e66d2ad 26 uint8_t tmp = inqReply[0]&0x1F;
Fanta025 0:ed0b4e66d2ad 27 printf("Peripheral device type: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 28 if ( tmp == 0 )
Fanta025 0:ed0b4e66d2ad 29 printf("\t- Direct access (floppy)\n");
Fanta025 0:ed0b4e66d2ad 30 else if ( tmp == 0x1F )
Fanta025 0:ed0b4e66d2ad 31 printf("\t- none (no FDD connected)\n");
Fanta025 0:ed0b4e66d2ad 32 else
Fanta025 0:ed0b4e66d2ad 33 printf("\t- unknown type\n");
Fanta025 0:ed0b4e66d2ad 34 tmp = inqReply[1] >> 7;
Fanta025 0:ed0b4e66d2ad 35 printf("Removable Media Bit: %d\n", tmp);
Fanta025 0:ed0b4e66d2ad 36 tmp = inqReply[2] & 3;
Fanta025 0:ed0b4e66d2ad 37 printf("ANSI Version: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 38 if ( tmp != 0 )
Fanta025 0:ed0b4e66d2ad 39 printf("\t- warning! must be 0\n");
Fanta025 0:ed0b4e66d2ad 40 tmp = (inqReply[2]>>3) & 3;
Fanta025 0:ed0b4e66d2ad 41 printf("ECMA Version: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 42 if ( tmp != 0 )
Fanta025 0:ed0b4e66d2ad 43 printf("\t- warning! should be 0\n");
Fanta025 0:ed0b4e66d2ad 44 tmp = inqReply[2]>>6;
Fanta025 0:ed0b4e66d2ad 45 printf("ISO Version: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 46 if ( tmp != 0 )
Fanta025 0:ed0b4e66d2ad 47 printf("\t- warning! should be 0\n");
Fanta025 0:ed0b4e66d2ad 48 tmp = inqReply[3] & 0xF;
Fanta025 0:ed0b4e66d2ad 49 printf("Response Data Format: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 50 if ( tmp != 1 )
Fanta025 0:ed0b4e66d2ad 51 printf("\t- warning! should be 1\n");
Fanta025 0:ed0b4e66d2ad 52 tmp = inqReply[4];
Fanta025 0:ed0b4e66d2ad 53 printf("Additional length: %02Xh\n", tmp);
Fanta025 0:ed0b4e66d2ad 54 if ( tmp != 0x1F )
Fanta025 0:ed0b4e66d2ad 55 printf("\t- warning! should be 1Fh\n");
Fanta025 0:ed0b4e66d2ad 56 printf("Vendor Information: '%.8s'\n", &inqReply[8]);
Fanta025 0:ed0b4e66d2ad 57 printf("Product Identification: '%.16s'\n", &inqReply[16]);
Fanta025 0:ed0b4e66d2ad 58 printf("Product Revision: '%.4s'\n", &inqReply[32]);
Fanta025 0:ed0b4e66d2ad 59 }
Fanta025 0:ed0b4e66d2ad 60
Fanta025 0:ed0b4e66d2ad 61 int MSCFileSystem::initialise_msc()
Fanta025 0:ed0b4e66d2ad 62 {
Fanta025 0:ed0b4e66d2ad 63 USB_INT32S rc;
Fanta025 0:ed0b4e66d2ad 64 USB_INT08U inquiryResult[INQUIRY_LENGTH];
Fanta025 0:ed0b4e66d2ad 65
Fanta025 0:ed0b4e66d2ad 66 //print_clock();
Fanta025 0:ed0b4e66d2ad 67 Host_Init(); /* Initialize the host controller */
Fanta025 0:ed0b4e66d2ad 68 rc = Host_EnumDev(); /* Enumerate the device connected */
Fanta025 0:ed0b4e66d2ad 69 if (rc != OK)
Fanta025 0:ed0b4e66d2ad 70 {
Fanta025 0:ed0b4e66d2ad 71 fprintf(stderr, "Could not enumerate device: %d\n", rc);
Fanta025 0:ed0b4e66d2ad 72 return rc;
Fanta025 0:ed0b4e66d2ad 73 }
Fanta025 0:ed0b4e66d2ad 74
Fanta025 0:ed0b4e66d2ad 75
Fanta025 0:ed0b4e66d2ad 76 /* Initialize the mass storage and scsi interfaces */
Fanta025 0:ed0b4e66d2ad 77 rc = MS_Init( &_blkSize, &_numBlks, inquiryResult );
Fanta025 0:ed0b4e66d2ad 78 if (rc != OK)
Fanta025 0:ed0b4e66d2ad 79 {
Fanta025 0:ed0b4e66d2ad 80 fprintf(stderr, "Could not initialize mass storage interface: %d\n", rc);
Fanta025 0:ed0b4e66d2ad 81 return rc;
Fanta025 0:ed0b4e66d2ad 82 }
Fanta025 0:ed0b4e66d2ad 83 printf("Successfully initialized mass storage interface; %d blocks of size %d\n", _numBlks, _blkSize);
Fanta025 0:ed0b4e66d2ad 84 print_inquiry(inquiryResult);
Fanta025 0:ed0b4e66d2ad 85 // FATFileSystem supports only 512-byte blocks
Fanta025 0:ed0b4e66d2ad 86 return _blkSize == 512 ? OK : 1;
Fanta025 0:ed0b4e66d2ad 87 }
Fanta025 0:ed0b4e66d2ad 88
Fanta025 0:ed0b4e66d2ad 89 int MSCFileSystem::disk_initialize()
Fanta025 0:ed0b4e66d2ad 90 {
Fanta025 0:ed0b4e66d2ad 91 if ( initialise_msc() != OK )
Fanta025 0:ed0b4e66d2ad 92 return 1;
Fanta025 0:ed0b4e66d2ad 93
Fanta025 0:ed0b4e66d2ad 94 return 0;
Fanta025 0:ed0b4e66d2ad 95 }
Fanta025 0:ed0b4e66d2ad 96
Fanta025 0:ed0b4e66d2ad 97 int MSCFileSystem::disk_write(const char *buffer, int block_number)
Fanta025 0:ed0b4e66d2ad 98 {
Fanta025 0:ed0b4e66d2ad 99 if ( OK == MS_BulkSend(block_number, 1, (USB_INT08U *)buffer) )
Fanta025 0:ed0b4e66d2ad 100 return 0;
Fanta025 0:ed0b4e66d2ad 101 return 1;
Fanta025 0:ed0b4e66d2ad 102 }
Fanta025 0:ed0b4e66d2ad 103
Fanta025 0:ed0b4e66d2ad 104 int MSCFileSystem::disk_read(char *buffer, int block_number)
Fanta025 0:ed0b4e66d2ad 105 {
Fanta025 0:ed0b4e66d2ad 106 if ( OK == MS_BulkRecv(block_number, 1, (USB_INT08U *)buffer) )
Fanta025 0:ed0b4e66d2ad 107 return 0;
Fanta025 0:ed0b4e66d2ad 108 return 1;
Fanta025 0:ed0b4e66d2ad 109 }
Fanta025 0:ed0b4e66d2ad 110
Fanta025 0:ed0b4e66d2ad 111 int MSCFileSystem::disk_status() { return 0; }
Fanta025 0:ed0b4e66d2ad 112 int MSCFileSystem::disk_sync() { return 0; }
Fanta025 0:ed0b4e66d2ad 113 int MSCFileSystem::disk_sectors() { return _numBlks; }