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
Diff: fat/FATDirHandle.cpp
- Revision:
- 0:39eb4d5b97df
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/fat/FATDirHandle.cpp Sat May 03 11:21:37 2014 +0000 @@ -0,0 +1,80 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2012 ARM Limited + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#include <string.h> +#include "ff.h" +#include "FATDirHandle.h" + +using namespace mbed; + +FATDirHandle::FATDirHandle(const FATFS_DIR &the_dir) { + dir = the_dir; +} + +int FATDirHandle::closedir() { + delete this; + return 0; +} +FILINFO FATDirHandle_finfo; + +struct dirent *FATDirHandle::readdir() { + FILINFO finfo; + +#if _USE_LFN + finfo.lfname = cur_entry.d_name; + finfo.lfsize = sizeof(cur_entry.d_name); +#endif // _USE_LFN + + FRESULT res = f_readdir(&dir, &finfo); + FATDirHandle_finfo = finfo; + +#if _USE_LFN + if(res != 0 || finfo.fname[0]==0) { + return NULL; + } else { + if(cur_entry.d_name[0]==0) { + // No long filename so use short filename. + memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); + } + return &cur_entry; + } +#else + if(res != 0 || finfo.fname[0]==0) { + return NULL; + } else { + memcpy(cur_entry.d_name, finfo.fname, sizeof(finfo.fname)); + return &cur_entry; + } +#endif /* _USE_LFN */ +} + +void FATDirHandle::rewinddir() { + dir.index = 0; +} + +off_t FATDirHandle::telldir() { + return dir.index; +} + +void FATDirHandle::seekdir(off_t location) { + dir.index = location; +} +