void SDcard::writefile(uint64_t timestamp_sd, int eeprom){
myfile = SD.open("data.txt", FILE_WRITE);
if (myfile) {
myfile.print("G|");
uint64_t xx = timestamp_sd/1000000000ULL;
if (xx >0) myfile.print((long)xx);
myfile.print((long)(timestamp_sd-xx*1000000000));
myfile.print("|");
myfile.print(eeprom);
myfile.print("|");
for(int i = 0; i<3;i++){ // nombre de capteurs = 3
String data = this->mem->getNext();
myfile.print(data);
if (i!=2)
myfile.print("|");
}
myfile.write('\n');
//myfile.print("|H,");
//myfile.println(value);
myfile.close();
}
else {
Serial.println("error opening data.txt");
}
}
// Get the full path/filename of the GIF file with specified index
void getGIFFilenameByIndex(const char *directoryName, int index, char *pnBuffer) {
char fname[30];
// Make sure index is in range
if ((index < 0) || (index >= numberOfFiles))
return;
File directory = sd.open(directoryName);
if (!directory)
return;
File file = directory.openNextFile();
while (file && (index >= 0)) {
file.getName(fname, sizeof(fname));
if (isAnimationFile(fname)) {
index--;
// Copy the directory name into the pathname buffer
strcpy(pnBuffer, directoryName);
// Append the filename to the pathname
strcat(pnBuffer, fname);
}
file.close();
file = directory.openNextFile();
}
file.close();
directory.close();
}
// Enumerate and possibly display the animated GIF filenames in GIFS directory
int enumerateGIFFiles(const char *directoryName, boolean displayFilenames) {
char fname[30];
numberOfFiles = 0;
File directory = sd.open(directoryName);
if (!directory) {
return -1;
}
File file = directory.openNextFile();
while (file) {
file.getName(fname, sizeof(fname));
Serial.println(fname);
if (isAnimationFile(fname)) {
numberOfFiles++;
if (displayFilenames) {
Serial.println(fname);
}
}
file.close();
file = directory.openNextFile();
}
file.close();
directory.close();
return numberOfFiles;
}
/**
* Function starts the SD card service and makes sure that the appropriate directory
* structure exists, then creates the file to use for logging data. Data will be logged
* to a file called fileNamePrefix_0.csv or fileNamePrefix_0.bin (number will be incremented
* for each new log file)
*
* @param chipSelectPin Arduino pin SD card reader CS pin is attached to
* @param fileNamePrefix string to prefix at beginning of data file
* @param csvData boolean flag whether we are writing csv data or binary data (used for filename)
*
* @return true if successful, false if failed
*/
bool beginDataLog(int chipSelectPin, const char *fileNamePrefix, bool csvData)
{
bool ret;
int i = 0;
int max_len;
char fileName[19];
char prefix[8];
char rootPath[] = "/data";
if (_output_buffer != NULL) {
delete []_output_buffer;
}
OUTPUT_BUF_SIZE = 512;
_output_buffer = vol.cacheAddress()->output_buf;
if (freeMemory() < 400) {
strcpy_P(_getOutBuf(), sd_card_error);
Serial.print(_getOutBuf());
Serial.print(freeMemory());
Serial.println(", need 400)");
ret = false;
} else {
ret = sd.begin(chipSelectPin, SPI_FULL_SPEED);
}
//Filenames need to fit the 8.3 filename convention, so truncate down the
//given filename if it is too long.
memcpy(prefix, fileNamePrefix, 7);
prefix[7] = '\0';
if (ret) {
if (!sd.exists(rootPath))
ret = sd.mkdir(rootPath);
if (ret) {
while (true) {
if (i < 10) {
max_len = 7;
} else if (i < 100) {
max_len = 6;
} else if (i < 1000) {
max_len = 5;
} else {
break;
}
prefix[max_len - 1] = '\0';
sprintf(fileName, "%s/%s%d.%s", rootPath, prefix, i,
csvData ? "csv" : "bin");
if (!sd.exists(fileName)) {
file = sd.open(fileName, FILE_WRITE);
break;
}
i++;
}
}
}
return file.isOpen();
}
void TicketflySDBeacon::writeToSD (String writeThisString, String fileName, SdFat& SD) {
File myFile;
const char* conversion = fileName.c_str();
Serial.println (conversion);
myFile = SD.open(conversion);
if (myFile) {
myFile.println(writeThisString);
myFile.close();
}
else {
Serial.println(F("error opening example.txt"));
}
}
void SDcard::readfile(){
// re-open the file for reading:
myfile = SD.open("data.txt");
if (myfile) {
// read from the file until there's nothing else in it:
while (myfile.available()) {
Serial.write(myfile.read());
}
// close the file:
myfile.close();
} else {
Serial.println("error opening data.txt");
}
}
void TicketflySDBeacon::simpleReadSD (String fileName, SdFat& SD){
File myFile;
const char* conversion = fileName.c_str();
myFile = SD.open(conversion, FILE_READ);
if (myFile) {
while (myFile.available()) {
Serial.write(myFile.read());
}
myFile.close();
}
else
{
Serial.print(F("Error opening "));
Serial.println (fileName);
}
}
bool TicketflySDBeacon::searchDatabaseForTicket(String TicketString, SdFat& SD){
File myFile;
const char* TicketNo = TicketString.c_str();
myFile = SD.open("example.txt");
if (myFile) {
char buf[16];
myFile.read(buf, 16);
if (strncmp(buf, TicketNo, 14) == 0)
{
Serial.println(F("Match!"));
return true;
}
else {
Serial.println (F("No Match"));
return false;
}
myFile.close();
}
else {
Serial.println(F("error opening file"));
}
}
void TicketflySDBeacon::fileRemove (String fileName, SdFat& SD) {
File myFile;
const char* conversion = fileName.c_str();
myFile = SD.open(conversion);
SD.remove(conversion);
}