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Orell-Pieter Schwarzbach 2023-06-13 09:12:48 +02:00
parent 25c3f1c6b6
commit 25dd894210
3 changed files with 112 additions and 0 deletions

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const int adcPin = A0; // ADC-Pin
const int serialBaudRate = 115200; // Baudrate des seriellen Monitors
const float toggleDelay = 0.2; // Verzögerung zwischen dem Umschalten der Bits, in Mikrosekunden
void setup() {
Serial.begin(serialBaudRate); // Starten des seriellen Monitors
analogReadResolution(12);
}
void loop() {
uint32_t buffer[8] = {0}; // Initialisierung des Puffer-Arrays mit Nullen
uint8_t bitCount = 0; // Anzahl der erzeugten Bits
for (int i = 0; i < 8; i++) {
uint32_t randomValue = 0; // Initialisierung der zufälligen Zahl
while (bitCount < 32) {
uint16_t adcValue = analogRead(adcPin); // Lesen des ADC-Werts
uint32_t newBit = adcValue & 0x01; // Extrahieren des LSB aus dem ADC-Wert
randomValue = (randomValue << 1) | newBit; // Hinzufügen des neuen Bits an das LSB
bitCount++; // Inkrementierung der Anzahl der erzeugten Bits
delay(toggleDelay); // Verzögerung
}
buffer[i] = randomValue; // Speichern des zufälligen Werts im Puffer-Array
bitCount = 0; // Zurücksetzen der Anzahl der erzeugten Bits
}
for (int i = 0; i < 8; i++) {
Serial.write((byte*)&buffer[i], sizeof(buffer[i])); // Ausgabe der erzeugten 32-Bit-Werte als Bitfolge
}
}

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import os
import serial
import time
ser = serial.Serial('COM3', 9600) # change port to input port from arduino
filename = 'mitNeumann_0_5'
start_time = time.time() # start time of read
with open(filename, 'wb') as file:
while os.path.getsize(filename) < 100000: # change to the desired file size in bits
if ser.in_waiting > 0:
data = ser.read(ser.in_waiting) # reading the data input from COM port
print(data)
file.write(data)
file.flush() # flush data to write
end_time = time.time() # end time of read
elapsed_time = end_time - start_time
seconds = int(elapsed_time)
milliseconds = int((elapsed_time % 1) * 100)
new_filename = f"{filename.split('.')[0]}_TimeInSeconds_{seconds}_{milliseconds}.txt" # filename in format filename_seconds_milliseconds as txt with needed time to finish read
os.rename(filename, new_filename) # change filename to new filename
print(f"time needed in seconds: {elapsed_time:.2f}. New filename: {new_filename}.") # console write

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import os
import serial
import string
import time
def is_hex(char):
return char in string.hexdigits
def convert_to_binary_string(filename):
# Open the file in binary mode
with open(filename, 'rb') as f:
# Read the contents of the file as bytes
content = f.read()
# Convert the bytes to a string of binary digits
binary_str = ''.join(format(byte, '08b') for byte in content)
new_filename = f"{filename.split('.')[0]}_readable.txt" # filename in readable .txt format with Chars
# Write the binary string back to the file
with open(new_filename, 'w') as f:
f.write(binary_str)
ser = serial.Serial('COM3', 115200) # change port to input port from arduino
filename = 'baud115200_0_2_TEST'
start_time = time.time() # start time of read
with open(filename, 'wb') as file:
while os.path.getsize(filename) < 2500: # change to the desired file size in bits/8 (1,000,000 Bits = 125000)
if ser.in_waiting > 0:
data = ser.read(ser.in_waiting) # reading the data input from COM port
print(data)
file.write(data)
file.flush() # flush data to write
# Convert the contents of the file to a binary string
convert_to_binary_string(filename)
end_time = time.time() # end time of read
elapsed_time = end_time - start_time
seconds = int(elapsed_time)
milliseconds = int((elapsed_time % 1) * 100)
new_filename = f"{filename.split('.')[0]}_TimeInSeconds_{seconds}_{milliseconds}.bin" # filename in format filename_seconds_milliseconds as txt with needed time to finish read
os.rename(filename, new_filename) # change filename to new filename
print(f"time needed in seconds: {elapsed_time:.2f}. New filename: {new_filename}.") # console write