Igor Skochinsky / Mbed 2 deprecated MSCUsbHost

Implementation of USB Host for mbed 1768 which can access USB flash drives. See notebook page for details.

Dependencies:   FatFileSystemCpp mbed

main.cpp@3:95e55809ecdb, 2012-07-30 (annotated)

Committer:
igorsk
Date:
Mon Jul 30 13:49:56 2012 +0000
Revision:
3:95e55809ecdb
Parent:
0:e294af8d0e07 
Switched to FatFileSystemCpp

Who changed what in which revision?

UserRevisionLine numberNew contents of line
igorsk 0:e294af8d0e07 1 #include "mbed.h"
igorsk 0:e294af8d0e07 2 #include "MSCFileSystem.h"
igorsk 0:e294af8d0e07 3 //#include <stat.h>
igorsk 0:e294af8d0e07 4
igorsk 0:e294af8d0e07 5 #define FSNAME "msc"
igorsk 0:e294af8d0e07 6 MSCFileSystem msc(FSNAME);
igorsk 0:e294af8d0e07 7
igorsk 0:e294af8d0e07 8 int main()
igorsk 0:e294af8d0e07 9 {
igorsk 0:e294af8d0e07 10 DIR *d;
igorsk 0:e294af8d0e07 11 struct dirent *p;
igorsk 0:e294af8d0e07 12 //struct stat st;
igorsk 0:e294af8d0e07 13 //char path[PATH_MAX];
igorsk 0:e294af8d0e07 14
igorsk 0:e294af8d0e07 15 printf("\n\n================================\n");
igorsk 0:e294af8d0e07 16 printf("USB Mass storage demo program for mbed LPC1768\n");
igorsk 0:e294af8d0e07 17 printf("================================\n\n");
igorsk 0:e294af8d0e07 18
igorsk 0:e294af8d0e07 19 d = opendir("/" FSNAME);
igorsk 0:e294af8d0e07 20
igorsk 0:e294af8d0e07 21 printf("\nList of files on the flash drive:\n");
igorsk 0:e294af8d0e07 22 if ( d != NULL )
igorsk 0:e294af8d0e07 23 {
igorsk 0:e294af8d0e07 24 while ( (p = readdir(d)) != NULL )
igorsk 0:e294af8d0e07 25 {
igorsk 0:e294af8d0e07 26 printf(" - %s\n", p->d_name);
igorsk 0:e294af8d0e07 27 /* no <stat.h> on mbed, it seems :/
igorsk 0:e294af8d0e07 28 sprintf(path, "/"FSNAME"/%s", p->d_name);
igorsk 0:e294af8d0e07 29 if ( stat(path, &st) == 0 )
igorsk 0:e294af8d0e07 30 {
igorsk 0:e294af8d0e07 31 if ( S_ISDIR(st.st_mode) )
igorsk 0:e294af8d0e07 32 printf(" <directory>\n");
igorsk 0:e294af8d0e07 33 else
igorsk 0:e294af8d0e07 34 printf(" %d\n", st.st_size);
igorsk 0:e294af8d0e07 35 }
igorsk 0:e294af8d0e07 36 else
igorsk 0:e294af8d0e07 37 {
igorsk 0:e294af8d0e07 38 printf(" ???\n");
igorsk 0:e294af8d0e07 39 }*/
igorsk 0:e294af8d0e07 40 }
igorsk 0:e294af8d0e07 41 }
igorsk 0:e294af8d0e07 42 else
igorsk 0:e294af8d0e07 43 {
igorsk 0:e294af8d0e07 44 error("Could not open directory!");
igorsk 0:e294af8d0e07 45 }
igorsk 0:e294af8d0e07 46 printf("\nTesting file write:\n");
igorsk 0:e294af8d0e07 47 FILE *fp = fopen( "/" FSNAME "/msctest.txt", "w");
igorsk 0:e294af8d0e07 48 if ( fp == NULL )
igorsk 0:e294af8d0e07 49 {
igorsk 0:e294af8d0e07 50 error("Could not open file for write\n");
igorsk 0:e294af8d0e07 51 }
igorsk 0:e294af8d0e07 52 fprintf(fp, "Hello mass storage!");
igorsk 0:e294af8d0e07 53 fclose(fp);
igorsk 0:e294af8d0e07 54 printf("\n - OK\n");
igorsk 0:e294af8d0e07 55
igorsk 0:e294af8d0e07 56 printf("\nTesting file read:\n");
igorsk 0:e294af8d0e07 57 fp = fopen( "/" FSNAME "/msctest.txt", "r");
igorsk 0:e294af8d0e07 58 if ( fp == NULL )
igorsk 0:e294af8d0e07 59 {
igorsk 0:e294af8d0e07 60 error("Could not open file for read\n");
igorsk 0:e294af8d0e07 61 }
igorsk 0:e294af8d0e07 62 char buf[256];
igorsk 0:e294af8d0e07 63 if ( NULL == fgets(buf, sizeof(buf), fp) )
igorsk 0:e294af8d0e07 64 {
igorsk 0:e294af8d0e07 65 error("Error reading from file\n");
igorsk 0:e294af8d0e07 66 }
igorsk 0:e294af8d0e07 67 fclose(fp);
igorsk 0:e294af8d0e07 68 printf("\n - OK, read string: '%s'\n\n", buf);
igorsk 0:e294af8d0e07 69 }