ada3c1ea8c
GPS tracked SDS011 sensor, transmitting data via Lora through TTN to opensensemap.org based on Arduino Mega
42 lines
1 KiB
C++
42 lines
1 KiB
C++
// Example to wipe all data from an already formatted SD.
|
|
#include <SPI.h>
|
|
#include "SdFat.h"
|
|
const int chipSelect = SS;
|
|
|
|
SdFat sd;
|
|
|
|
void setup() {
|
|
int c;
|
|
Serial.begin(9600);
|
|
// Wait for USB Serial
|
|
while (!Serial) {
|
|
SysCall::yield();
|
|
}
|
|
Serial.println("Type 'Y' to wipe all data.");
|
|
while (!Serial.available()) {
|
|
SysCall::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() {
|
|
}
|