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/*------------------------------------------------------------------Utilities.cpp
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Suspect Devices nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*-----------------------------------------------------------------------------*/
#include "Utilities.h"
/*-----------------------------------------------------------------------------
* file handling
*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------openNextFile()
* find next unopened file number.
*----------------------------------------------------------------------------*/
int openNextFile() {
dir_t p;//=&root;
int current;
int max=0;
char numpart[4];
root.rewind();
while (root.readDir(p)>0) {
//Watchdog_Reset();
togglePin(YEL_LED);
togglePin(GRN_LED);
// done if past last used entry
if (p.name[0] == DIR_NAME_FREE) break;
// skip deleted entry and entries for . and ..
if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.') continue;
// only list subdirectories and files
if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
#ifdef REMOVE_ALL_ZERO_LENGTH_FILES
// delete 0 length files;
if (p.fileSize==0) {
p.name[0] = DIR_NAME_DELETED;
continue;
}
#endif
if (!strncmp("LOG", p.name, 3) && !strncmp("TXT", p.name+8, 3)) {
numpart[0]=p.name[3];
numpart[1]=p.name[4];
numpart[2]=p.name[5];
numpart[3]='\0';
current=atoi(numpart);
if ( current > max ) max=current;
}
/*toConsole("DBG: %c%c%c%c%c%c%c%c.%c%c%c (%d)\r\n",
p.name[0],p.name[1],p.name[2],p.name[3],
p.name[4],p.name[5],p.name[6],p.name[7],
p.name[8],p.name[9],p.name[10],max);
*/
}
//SdVolume::CacheFlush(); to finish deleting files.
return max;
}
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