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37 lines
606 B
Plaintext
37 lines
606 B
Plaintext
#include <SD.h>
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File f;
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void setup()
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{
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Serial.begin(9600);
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Serial.print("Initializing SD card...");
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SD.begin();
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Serial.println("done.");
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f = SD.open("test.txt", true, false);
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if (f) {
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Serial.print("Writing to test.txt...");
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f.println("testing 1, 2, 3.");
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f.close();
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Serial.println("done.");
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} else {
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Serial.println("error opening test.txt");
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}
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f = SD.open("test.txt");
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if (f) {
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Serial.println("test.txt:");
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while (f.available()) Serial.write(f.read());
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f.close();
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} else {
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Serial.println("error opening test.txt");
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}
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}
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void loop()
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{
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}
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