// Example to wipe all data from an already formatted SD. #error wipe is not supported in SdFat V2. Use bool format(print_t* pr = nullptr). #include #include "SdFat.h" const int chipSelect = SS; SdFat sd; void setup() { int c; Serial.begin(9600); // Wait for USB Serial while (!Serial) { yield(); } Serial.println("Type 'Y' to wipe all data."); while (!Serial.available()) { yield(); } c = Serial.read(); if (c != 'Y') { sd.errorHalt("Quitting, you did not type 'Y'."); } // Initialize at the highest speed supported by the board that is // not over 50 MHz. Try a lower speed if SPI errors occur. if (!sd.begin(chipSelect, SD_SCK_MHZ(50))) { sd.initErrorHalt(); } // Use wipe() for no dot progress indicator. if (!sd.wipe(&Serial)) { sd.errorHalt("Wipe failed."); } // Must reinitialize after wipe. // Initialize at the highest speed supported by the board that is // not over 50 MHz. Try a lower speed if SPI errors occur. if (!sd.begin(chipSelect, SD_SCK_MHZ(50))) { sd.errorHalt("Second init failed."); } Serial.println("Done"); } void loop() { }