/* * Read the logfile created by the eventlog.pde example. * Demo of pathnames and working directories */ #include // SD chip select pin const uint8_t chipSelect = SS; // file system object SdFat sd; // define a serial output stream ArduinoOutStream cout(Serial); //------------------------------------------------------------------------------ void setup() { int c; Serial.begin(9600); while (!Serial) {} // wait for Leonardo // initialize the SD card at SPI_HALF_SPEED to avoid bus errors with // breadboards. use SPI_FULL_SPEED for better performance. if (!sd.begin(chipSelect, SPI_HALF_SPEED)) sd.initErrorHalt(); // set current working directory if (!sd.chdir("LOGS/2011/JAN/")) { sd.errorHalt("chdir failed. Did you run eventlog.pde?"); } // open file in current working directory ifstream file("LOGFILE.TXT"); if (!file.is_open()) sd.errorHalt("open failed"); // copy the file to Serial while ((c = file.get()) >= 0) cout << (char)c; cout << "Done" << endl; } //------------------------------------------------------------------------------ void loop() {}