51 lines
1.2 KiB
Arduino
51 lines
1.2 KiB
Arduino
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#include <Wire.h> // I2C-Headerdatei
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const int adcPin = A0; // ADC-Pin
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//const int toggleDelay = 0.1; // Verzögerung zwischen dem Umschalten der Bits, in Mikrosekunden
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const int bufferSize = 8 * sizeof(uint32_t);
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void setup() {
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Wire.begin(8); // I2C-Verbindung initialisieren
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analogReadResolution(12);
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//Serial.begin(9600);
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//Wire.onReceive(receiveData);
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//Wire.onRequest(sendData);
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}
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/*void sendData() {
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Wire.write(0xFF);
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Serial.write(0xFF);
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}
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void receiveData(int count) {
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Serial.write('r');
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}*/
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void loop() {
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uint32_t buffer[8] = {0};
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uint8_t bitCount = 0;
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for (int i = 0; i < 8; i++) {
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uint32_t randomValue = 0;
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while (bitCount < 32) {
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uint16_t adcValue = analogRead(adcPin);
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uint32_t newBit = adcValue & 0x01;
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randomValue = (randomValue << 1) | newBit;
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bitCount++;
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//delay(toggleDelay);
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}
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buffer[i] = randomValue;
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bitCount = 0;
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}
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Wire.beginTransmission(8); // I2C-Übertragung an Geräteadresse 8 starten
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for (int i = 0; i < 8; i++) {
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Wire.write((byte*)&buffer[i], sizeof(buffer[i])); // Daten über I2C-Bus senden
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}
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Wire.endTransmission(); // I2C-Übertragung beenden */
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}
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