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/mystring.h
- Committer:
- va009039
- Date:
- 2014-06-21
- Revision:
- 6:528036abfb02
- Parent:
- 0:39eb4d5b97df
File content as of revision 6:528036abfb02:
#include <stdlib.h> #include <string.h> #pragma once class mystring { public: mystring(){ _init(); } mystring(const char* s) { _init(); append(s); } ~mystring() { if (_buf) { free(_buf); } } void clear() { if (_buf) { free(_buf); } _init(); } bool empty() { return _len == 0; } size_t size() { return _len; } void append(const char* s, int len) { if (_buf == NULL) { return; } int new_len = _len + len; char* new_buf = (char*)malloc(new_len + 1); if (new_buf == NULL) { return; } memcpy(new_buf, _buf, _len); memcpy(new_buf+_len, s, len); new_buf[_len+len] = '\0'; free(_buf); _buf = new_buf; _len += new_len; } void append(const char* s) { append(s, strlen(s)); } void append(int c) { char buf[1]; buf[0] = c; append(buf, sizeof(buf)); } char* c_str() { if (_buf) { return _buf; } return ""; } mystring& operator= (const char* s) { _init(); append(s); return *this; } mystring& operator+= (const char* s) { append(s); return *this; } char& operator[] (size_t pos) { return _buf[pos]; } private: void _init() { _len = 0; _buf = (char*)malloc(1); if (_buf) { _buf[0] = '\0'; } } char* _buf; int _len; };