main.cpp

00001 /*
00002 Copyright (c) 2010 Peter Barrett
00003 
00004 Permission is hereby granted, free of charge, to any person obtaining a copy
00005 of this software and associated documentation files (the "Software"), to deal
00006 in the Software without restriction, including without limitation the rights
00007 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008 copies of the Software, and to permit persons to whom the Software is
00009 furnished to do so, subject to the following conditions:
00010 
00011 The above copyright notice and this permission notice shall be included in
00012 all copies or substantial portions of the Software.
00013 
00014 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020 THE SOFTWARE.
00021 */
00022 
00023 #include "mbed.h"
00024 #include "USBHost.h"
00025 #include "Utils.h"
00026 #include "FATFileSystem.h"
00027 #include "User.h"
00028 
00029 int MassStorage_ReadCapacity(int device, u32* blockCount, u32* blockSize);
00030 int MassStorage_Read(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
00031 int MassStorage_Write(int device, u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
00032 
00033 class USBFileSystem : public FATFileSystem
00034 {
00035     int _device;
00036     u32 _blockSize;
00037     u32 _blockCount;
00038     
00039 public:
00040     USBFileSystem() : FATFileSystem("usb"),_device(0),_blockSize(0),_blockCount(0)
00041     {
00042     }
00043     
00044     void SetDevice(int device)
00045     {
00046         _device = device;
00047     }
00048     
00049     virtual int disk_initialize()
00050     {
00051         return MassStorage_ReadCapacity(_device,&_blockCount,&_blockSize);
00052     }
00053     
00054     virtual int disk_write(const char *buffer, int block_number)
00055     {
00056         return MassStorage_Write(_device,block_number,1,(u8*)buffer,_blockSize);
00057     }
00058     
00059     virtual int disk_read(char *buffer, int block_number)
00060     {
00061         return MassStorage_Read(_device,block_number,1,(u8*)buffer,_blockSize);
00062     }
00063         
00064     virtual int disk_sectors()
00065     {
00066         return _blockCount;
00067     }
00068 };
00069 
00070 void DumpFS(int depth, int count)
00071 {
00072     DIR *d = opendir("/usb");
00073     if (!d)
00074     {
00075         printf("USB file system borked\r\n");
00076         return;
00077     }
00078 
00079     printf("\nDumping root dir\r\n");
00080     struct dirent *p;
00081     for(;;)
00082     {
00083         p = readdir(d);
00084         if (!p)
00085             break;
00086         int len = sizeof( dirent);
00087         printf("%s %d\n", p->d_name, len);
00088     }
00089     closedir(d);
00090 }
00091 
00092 int OnDiskInsert(int device)
00093 {
00094     USBFileSystem fs;
00095     fs.SetDevice(device);
00096     DumpFS(0,0);
00097     return 0;
00098 }
00099 
00100 /*
00101     Simple test shell to exercise mouse,keyboard,mass storage and hubs.
00102     Add 2 15k pulldown resistors between D+/D- and ground, attach a usb socket and have at it.
00103 */
00104 
00105 Serial pc(USBTX, USBRX);
00106 int GetConsoleChar()
00107 {
00108     if (!pc.readable())
00109         return -1;
00110     char c = pc.getc();
00111     pc.putc(c); // echo
00112     return c;
00113 }
00114 
00115 
00116 extern u8 RSX,RSY,LSX,LSY,BSU,BSL;
00117 
00118 void TestShell();
00119 
00120 int main()
00121 {
00122     pc.baud(9600);
00123     printf("BlueUSB\nNow get a bunch of usb or bluetooth things and plug them in\r\n");
00124     UserLoopSetting();
00125     TestShell();
00126     
00127 }