aboutsummaryrefslogtreecommitdiff
path: root/libraries/Bridge/FileIO.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/Bridge/FileIO.cpp')
-rw-r--r--libraries/Bridge/FileIO.cpp250
1 files changed, 0 insertions, 250 deletions
diff --git a/libraries/Bridge/FileIO.cpp b/libraries/Bridge/FileIO.cpp
deleted file mode 100644
index 83c889e..0000000
--- a/libraries/Bridge/FileIO.cpp
+++ /dev/null
@@ -1,250 +0,0 @@
-/*
- 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(BridgeClass &b) : mode(255), bridge(b) {
- // Empty
-}
-
-File::File(const char *_filename, uint8_t _mode, BridgeClass &b) : mode(_mode), bridge(b) {
- filename = _filename;
- char modes[] = {'r','w','a'};
- uint8_t cmd[] = {'F', modes[mode]};
- uint8_t res[2];
- dirPosition = 1;
- bridge.transfer(cmd, 2, (uint8_t*)filename.c_str(), filename.length(), res, 2);
- if (res[0] != 0) { // res[0] contains error code
- mode = 255; // In case of error keep the file closed
- return;
- }
- handle = res[1];
- buffered = 0;
-}
-
-File::operator bool() {
- return (mode != 255);
-}
-
-File::~File() {
- close();
-}
-
-size_t File::write(uint8_t c) {
- return write(&c, 1);
-}
-
-size_t File::write(const uint8_t *buf, size_t size) {
- if (mode == 255)
- return -1;
- uint8_t cmd[] = {'g', handle};
- uint8_t res[1];
- bridge.transfer(cmd, 2, buf, size, res, 1);
- if (res[0] != 0) // res[0] contains error code
- return -res[0];
- return size;
-}
-
-int File::read() {
- doBuffer();
- if (buffered == 0)
- return -1; // no chars available
- else {
- buffered--;
- return buffer[readPos++];
- }
-}
-
-int File::peek() {
- doBuffer();
- if (buffered == 0)
- return -1; // no chars available
- else
- return buffer[readPos];
-}
-
-boolean File::seek(uint32_t position) {
- uint8_t cmd[] = {
- 's',
- handle,
- (position >> 24) & 0xFF,
- (position >> 16) & 0xFF,
- (position >> 8) & 0xFF,
- position & 0xFF
- };
- uint8_t res[1];
- bridge.transfer(cmd, 6, res, 1);
- if (res[0]==0) {
- // If seek succeed then flush buffers
- buffered = 0;
- return true;
- }
- return false;
-}
-
-uint32_t File::position() {
- uint8_t cmd[] = {'S', handle};
- uint8_t res[5];
- bridge.transfer(cmd, 2, res, 5);
- //err = res[0]; // res[0] contains error code
- uint32_t pos = res[1] << 24;
- pos += res[2] << 16;
- pos += res[3] << 8;
- pos += res[4];
- return pos - buffered;
-}
-
-void File::doBuffer() {
- // If there are already char in buffer exit
- if (buffered > 0)
- return;
-
- // Try to buffer up to 32 characters
- readPos = 0;
- uint8_t cmd[] = {'G', handle, sizeof(buffer)};
- buffered = bridge.transfer(cmd, 3, buffer, sizeof(buffer)) - 1;
- //err = buff[0]; // First byte is error code
- if (buffered>0) {
- // Shift the reminder of buffer
- for (uint8_t i=0; i<buffered; i++)
- buffer[i] = buffer[i+1];
- }
-}
-
-int File::available() {
- // Look if there is new data available
- doBuffer();
- return buffered;
-}
-
-void File::flush() {
-}
-
-//int read(void *buf, uint16_t nbyte)
-
-//uint32_t size()
-
-void File::close() {
- if (mode == 255)
- return;
- uint8_t cmd[] = {'f', handle};
- bridge.transfer(cmd, 2);
- mode = 255;
-}
-
-const char *File::name() {
- return filename.c_str();
-}
-
-
-boolean File::isDirectory() {
- uint8_t res[1];
- uint8_t lenght;
- uint8_t cmd[] = {'i'};
- if (mode != 255)
- return 0;
-
- bridge.transfer(cmd, 1, (uint8_t *)filename.c_str(), filename.length(), res, 1);
- return res[0];
-}
-
-
-File File::openNextFile(uint8_t mode){
- Process awk;
- char tmp;
- String command;
- String filepath;
- if (dirPosition == 0xFFFF) return File();
-
- command = "ls ";
- command += filename;
- command += " | awk 'NR==";
- command += dirPosition;
- command += "'";
-
- awk.runShellCommand(command);
-
- while(awk.running());
-
- command = "";
-
- while (awk.available()){
- tmp = awk.read();
- if (tmp!='\n') command += tmp;
- }
- if (command.length() == 0)
- return File();
- dirPosition++;
- filepath = filename + "/" + command;
- return File(filepath.c_str(),mode);
-
-}
-
-void File::rewindDirectory(void){
- dirPosition = 1;
-}
-
-
-
-
-
-
-boolean FileSystemClass::begin() {
- return true;
-}
-
-File FileSystemClass::open(const char *filename, uint8_t mode) {
- return File(filename, mode);
-}
-
-boolean FileSystemClass::exists(const char *filepath) {
- Process ls;
- ls.begin("ls");
- ls.addParameter(filepath);
- int res = ls.run();
- return (res == 0);
-}
-
-boolean FileSystemClass::mkdir(const char *filepath) {
- Process mk;
- mk.begin("mkdir");
- mk.addParameter("-p");
- mk.addParameter(filepath);
- int res = mk.run();
- return (res == 0);
-}
-
-boolean FileSystemClass::remove(const char *filepath) {
- Process rm;
- rm.begin("rm");
- rm.addParameter(filepath);
- int res = rm.run();
- return (res == 0);
-}
-
-boolean FileSystemClass::rmdir(const char *filepath) {
- Process rm;
- rm.begin("rmdir");
- rm.addParameter(filepath);
- int res = rm.run();
- return (res == 0);
-}
-
-FileSystemClass FileSystem;