mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-10 21:24:12 +01:00
163 lines
3.3 KiB
Plaintext
163 lines
3.3 KiB
Plaintext
/*
|
|
Copyright (c) 2013 Arduino LLC. All right reserved.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <FileIO.h>
|
|
|
|
File::File() : mode(255), filename(NULL) {
|
|
// Empty
|
|
}
|
|
|
|
File::File(const char *_filename, uint8_t _mode) : mode(_mode) {
|
|
filename = new char[strlen(_filename)+1];
|
|
strcpy(filename, _filename);
|
|
}
|
|
|
|
File::operator bool() {
|
|
return (mode != 255);
|
|
}
|
|
|
|
File::~File() {
|
|
if (filename)
|
|
delete[] filename;
|
|
}
|
|
|
|
char toHex(uint8_t c) {
|
|
if (c<10)
|
|
return '0' + c;
|
|
else
|
|
return 'A' + c - 10;
|
|
}
|
|
|
|
size_t File::write(uint8_t c) {
|
|
Process echo;
|
|
echo.begin("arduino-append");
|
|
echo.addParameter(filename);
|
|
char chars[] = { '\\', 'x', toHex(c >> 4), toHex(c & 0x0F), '\0' };
|
|
echo.addParameter(chars);
|
|
echo.run();
|
|
return 1;
|
|
}
|
|
|
|
size_t File::write(const uint8_t *buf, size_t size) {
|
|
Process echo;
|
|
echo.begin("arduino-append");
|
|
echo.addParameter(filename);
|
|
echo.addParameter(" \"", true);
|
|
for (unsigned int i=0; i<size; i++) {
|
|
// slow but requires less memory
|
|
char c = buf[i];
|
|
char chars[] = { '\\', 'x', toHex(c >> 4), toHex(c & 0x0F), '\0' };
|
|
echo.addParameter(chars, true);
|
|
}
|
|
echo.addParameter("\"", true);
|
|
echo.run();
|
|
return size;
|
|
}
|
|
|
|
int File::read() {
|
|
return 1;
|
|
}
|
|
|
|
int File::peek() {
|
|
return 1;
|
|
}
|
|
|
|
int File::available() {
|
|
return 1;
|
|
}
|
|
|
|
void File::flush() {
|
|
}
|
|
|
|
//int read(void *buf, uint16_t nbyte)
|
|
//boolean seek(uint32_t pos)
|
|
//uint32_t position()
|
|
//uint32_t size()
|
|
|
|
void File::close() {
|
|
mode = 255;
|
|
}
|
|
|
|
char *File::name() {
|
|
return filename;
|
|
}
|
|
|
|
//boolean isDirectory(void)
|
|
//File openNextFile(uint8_t mode = O_RDONLY);
|
|
//void rewindDirectory(void)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
boolean SDClass::begin() {
|
|
return true;
|
|
}
|
|
|
|
File SDClass::open(const char *filename, uint8_t mode) {
|
|
if (mode == FILE_READ) {
|
|
if (exists(filename))
|
|
return File(filename, mode);
|
|
}
|
|
if (mode == FILE_WRITE) {
|
|
Process touch;
|
|
touch.begin(">");
|
|
touch.addParameter(filename);
|
|
int res = touch.run();
|
|
if (res == 0)
|
|
return File(filename, mode);
|
|
}
|
|
return File();
|
|
}
|
|
|
|
boolean SDClass::exists(const char *filepath) {
|
|
Process ls;
|
|
ls.begin("ls");
|
|
ls.addParameter(filepath);
|
|
int res = ls.run();
|
|
return (res == 0);
|
|
}
|
|
|
|
boolean SDClass::mkdir(const char *filepath) {
|
|
Process mk;
|
|
mk.begin("mkdir");
|
|
mk.addParameter("-p");
|
|
mk.addParameter(filepath);
|
|
int res = mk.run();
|
|
return (res == 0);
|
|
}
|
|
|
|
boolean SDClass::remove(const char *filepath) {
|
|
Process rm;
|
|
rm.begin("rm");
|
|
rm.addParameter(filepath);
|
|
int res = rm.run();
|
|
return (res == 0);
|
|
}
|
|
|
|
boolean SDClass::rmdir(const char *filepath) {
|
|
Process rm;
|
|
rm.begin("rmdir");
|
|
rm.addParameter(filepath);
|
|
int res = rm.run();
|
|
return (res == 0);
|
|
}
|
|
|
|
SDClass SD;
|