Emulation of LocalFileSystem with virtual COM.
Dependents: KL46Z-lpc81isp lpcterm2
#include "USBLocalFileSystem.h" int main() { USBLocalFileSystem* usb_local = new USBLocalFileSystem(); // RamDisk(64KB) while(1) { usb_local->lock(true); usb_local->remount(); char filename[32]; if (usb_local->find(filename, sizeof(filename), "*.TXT")) { FILE* fp = fopen(filename, "r"); if (fp) { int c; while((c = fgetc(fp)) != EOF) { usb_local->putc(c); } fclose(fp); } } usb_local->lock(false); wait_ms(1000*5); } }
Sample application:
Import programKL46Z-lpc81isp
ISP example program.
Import programlpcterm2
semihost server example program
fat/FATDirHandle.cpp@6:528036abfb02, 2014-06-21 (annotated)
- Committer:
- va009039
- Date:
- Sat Jun 21 22:39:59 2014 +0000
- Revision:
- 6:528036abfb02
- Parent:
- 0:39eb4d5b97df
add LPC11U68
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 0:39eb4d5b97df | 1 | /* mbed Microcontroller Library |
va009039 | 0:39eb4d5b97df | 2 | * Copyright (c) 2006-2012 ARM Limited |
va009039 | 0:39eb4d5b97df | 3 | * |
va009039 | 0:39eb4d5b97df | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
va009039 | 0:39eb4d5b97df | 5 | * of this software and associated documentation files (the "Software"), to deal |
va009039 | 0:39eb4d5b97df | 6 | * in the Software without restriction, including without limitation the rights |
va009039 | 0:39eb4d5b97df | 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
va009039 | 0:39eb4d5b97df | 8 | * copies of the Software, and to permit persons to whom the Software is |
va009039 | 0:39eb4d5b97df | 9 | * furnished to do so, subject to the following conditions: |
va009039 | 0:39eb4d5b97df | 10 | * |
va009039 | 0:39eb4d5b97df | 11 | * The above copyright notice and this permission notice shall be included in |
va009039 | 0:39eb4d5b97df | 12 | * all copies or substantial portions of the Software. |
va009039 | 0:39eb4d5b97df | 13 | * |
va009039 | 0:39eb4d5b97df | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
va009039 | 0:39eb4d5b97df | 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
va009039 | 0:39eb4d5b97df | 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
va009039 | 0:39eb4d5b97df | 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
va009039 | 0:39eb4d5b97df | 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
va009039 | 0:39eb4d5b97df | 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
va009039 | 0:39eb4d5b97df | 20 | * SOFTWARE. |
va009039 | 0:39eb4d5b97df | 21 | */ |
va009039 | 0:39eb4d5b97df | 22 | #include <string.h> |
va009039 | 0:39eb4d5b97df | 23 | #include "ff.h" |
va009039 | 0:39eb4d5b97df | 24 | #include "FATDirHandle.h" |
va009039 | 0:39eb4d5b97df | 25 | |
va009039 | 0:39eb4d5b97df | 26 | using namespace mbed; |
va009039 | 0:39eb4d5b97df | 27 | |
va009039 | 0:39eb4d5b97df | 28 | FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) { |
va009039 | 0:39eb4d5b97df | 29 | dir = the_dir; |
va009039 | 0:39eb4d5b97df | 30 | } |
va009039 | 0:39eb4d5b97df | 31 | |
va009039 | 0:39eb4d5b97df | 32 | int FATDirHandle::closedir() { |
va009039 | 0:39eb4d5b97df | 33 | delete this; |
va009039 | 0:39eb4d5b97df | 34 | return 0; |
va009039 | 0:39eb4d5b97df | 35 | } |
va009039 | 0:39eb4d5b97df | 36 | FILINFO FATDirHandle_finfo; |
va009039 | 0:39eb4d5b97df | 37 | |
va009039 | 0:39eb4d5b97df | 38 | struct dirent *FATDirHandle::readdir() { |
va009039 | 0:39eb4d5b97df | 39 | FILINFO finfo; |
va009039 | 0:39eb4d5b97df | 40 | |
va009039 | 0:39eb4d5b97df | 41 | #if _USE_LFN |
va009039 | 0:39eb4d5b97df | 42 | finfo.lfname = cur_entry.d_name; |
va009039 | 0:39eb4d5b97df | 43 | finfo.lfsize = sizeof(cur_entry.d_name); |
va009039 | 0:39eb4d5b97df | 44 | #endif // _USE_LFN |
va009039 | 0:39eb4d5b97df | 45 | |
va009039 | 0:39eb4d5b97df | 46 | FRESULT res = f_readdir(&dir, &finfo); |
va009039 | 0:39eb4d5b97df | 47 | FATDirHandle_finfo = finfo; |
va009039 | 0:39eb4d5b97df | 48 | |
va009039 | 0:39eb4d5b97df | 49 | #if _USE_LFN |
va009039 | 0:39eb4d5b97df | 50 | if(res != 0 || finfo.fname[0]==0) { |
va009039 | 0:39eb4d5b97df | 51 | return NULL; |
va009039 | 0:39eb4d5b97df | 52 | } else { |
va009039 | 0:39eb4d5b97df | 53 | if(cur_entry.d_name[0]==0) { |
va009039 | 0:39eb4d5b97df | 54 | // No long filename so use short filename. |
va009039 | 0:39eb4d5b97df | 55 | memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); |
va009039 | 0:39eb4d5b97df | 56 | } |
va009039 | 0:39eb4d5b97df | 57 | return &cur_entry; |
va009039 | 0:39eb4d5b97df | 58 | } |
va009039 | 0:39eb4d5b97df | 59 | #else |
va009039 | 0:39eb4d5b97df | 60 | if(res != 0 || finfo.fname[0]==0) { |
va009039 | 0:39eb4d5b97df | 61 | return NULL; |
va009039 | 0:39eb4d5b97df | 62 | } else { |
va009039 | 0:39eb4d5b97df | 63 | memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); |
va009039 | 0:39eb4d5b97df | 64 | return &cur_entry; |
va009039 | 0:39eb4d5b97df | 65 | } |
va009039 | 0:39eb4d5b97df | 66 | #endif /* _USE_LFN */ |
va009039 | 0:39eb4d5b97df | 67 | } |
va009039 | 0:39eb4d5b97df | 68 | |
va009039 | 0:39eb4d5b97df | 69 | void FATDirHandle::rewinddir() { |
va009039 | 0:39eb4d5b97df | 70 | dir.index = 0; |
va009039 | 0:39eb4d5b97df | 71 | } |
va009039 | 0:39eb4d5b97df | 72 | |
va009039 | 0:39eb4d5b97df | 73 | off_t FATDirHandle::telldir() { |
va009039 | 0:39eb4d5b97df | 74 | return dir.index; |
va009039 | 0:39eb4d5b97df | 75 | } |
va009039 | 0:39eb4d5b97df | 76 | |
va009039 | 0:39eb4d5b97df | 77 | void FATDirHandle::seekdir(off_t location) { |
va009039 | 0:39eb4d5b97df | 78 | dir.index = location; |
va009039 | 0:39eb4d5b97df | 79 | } |
va009039 | 0:39eb4d5b97df | 80 |