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
src/Storage.h
- Committer:
- va009039
- Date:
- 2014-05-08
- Revision:
- 4:8f6857784854
- Parent:
- 2:97c314eae8b8
File content as of revision 4:8f6857784854:
#pragma once #include "mbed.h" #include "FATFileSystem.h" #include "USBMSD.h" #include "USBMSD2.h" #include "StorageInterface.h" #include "mystring.h" class LocalStorage : public FATFileSystem { public: LocalStorage(StorageInterface* storage, const char* name = "local"); virtual int disk_read(uint8_t * buffer, uint64_t sector) { return _storage->storage_read(buffer, sector); } virtual int disk_write(const uint8_t * buffer, uint64_t sector) { return _storage->storage_write(buffer, sector); } virtual uint64_t disk_sectors() { return _storage->storage_sectors(); } static bool find(char* buf, size_t size, const char* dirname, const char* pat); private: StorageInterface* _storage; const char* _name; }; class USBStorage : public USBMSD { public: USBStorage(StorageInterface* storage): _storage(storage) { connect(); } virtual int disk_read(uint8_t * data, uint64_t block) { return _storage->storage_read(data, block); } virtual int disk_write(const uint8_t * data, uint64_t block) { return _storage->storage_write(data, block); } virtual int disk_initialize() { return 0; } virtual uint64_t disk_sectors() { return _storage->storage_sectors(); } virtual int disk_status() { return 0; } virtual uint64_t disk_size() { return _storage->storage_size(); } private: StorageInterface* _storage; }; class USBStorage2 : public USBMSD2 { public: USBStorage2(StorageInterface* storage): _storage(storage) { init(); connect(); } void init() { block_flag = false; report_block_count = 0; report_initialize_count = 0; report_read_count = 0; report_write_count = 0; report_sectors_count = 0; report_status_count = 0; report_size_count = 0; } virtual int disk_read(uint8_t * data, uint64_t block) { if (block_flag) { report_block_count++; return 1; } report_read_count++; return _storage->storage_read(data, block); } virtual int disk_write(const uint8_t * data, uint64_t block) { if (block_flag) { report_block_count++; return 1; } report_write_count++; return _storage->storage_write(data, block); } virtual int disk_initialize() { report_initialize_count++; return 0; } virtual uint64_t disk_sectors() { report_sectors_count++; return _storage->storage_sectors(); } virtual int disk_status() { report_status_count++; return 0; } virtual uint64_t disk_size() { report_size_count++; return _storage->storage_size(); } bool block(bool flag) { if (block_flag != flag) { block_flag = flag; return true; } return false; } __IO bool block_flag; __IO int report_block_count; __IO int report_initialize_count; __IO int report_read_count; __IO int report_write_count; __IO int report_sectors_count; __IO int report_status_count; __IO int report_size_count; private: StorageInterface* _storage; };