Updated pslab_fuzzer.py

projects/pslab-python/pslab_fuzzer.py

@@ -1,20 +1,61 @@
 import sys
 import atheris
-from PSLab import interfaces, experiment, hardware
+import pslab
 
-def TestOneInput(data):
+
+def fuzz_i2c(data):
     fdp = atheris.FuzzedDataProvider(data)
-
+    i2c = pslab.I2C()
     try:
-        experiment.set_gain(fdp.ConsumeInt(4))  # Fuzz gain settings
-        hardware.analog_read(fdp.ConsumeInt(4))  # Fuzz analog reading
-        interfaces.send_data(fdp.ConsumeBytes(8))  # Fuzz data transmission
+        address = fdp.ConsumeIntInRange(0, 127)  # Valid 7-bit I2C addresses
+        register = fdp.ConsumeIntInRange(0, 255)  # Register range
+        value = fdp.ConsumeIntInRange(0, 255)  # Data to write
+
+        i2c.read(address, register)
+
+        i2c.write(address, register, value)
     except Exception:
         pass
 
+
+def fuzz_oscilloscope(data):
+    fdp = atheris.FuzzedDataProvider(data)
+    try:
+        oscilloscope = pslab.instrument.Oscilloscope()
+
+        # Fuzz parameters for capture
+        channels = [fdp.ConsumeIntInRange(1, 4) for _ in range(2)]
+        timegap = fdp.ConsumeFloat()  # Time gap between captures
+
+        oscilloscope.capture(channels=channels, timegap=timegap)
+    except Exception:
+        pass
+
+
+def fuzz_waveform_generator(data):
+    fdp = atheris.FuzzedDataProvider(data)
+    try:
+        waveform_generator = pslab.waveform_generator.WaveformGenerator()
+
+        frequency = fdp.ConsumeFloatInRange(1.0, 100000.0)  # Frequency in Hz
+        amplitude = fdp.ConsumeFloatInRange(0.1, 5.0)  # Amplitude in volts
+        waveform_type = fdp.ConsumeString(8)  
+
+        waveform_generator.generate(frequency=frequency, amplitude=amplitude, waveform_type=waveform_type)
+    except Exception:
+        pass
+
+
+def TestOneInput(data):
+    fuzz_i2c(data)
+    fuzz_oscilloscope(data)
+    fuzz_waveform_generator(data)
+
+
 def main():
     atheris.Setup(sys.argv, TestOneInput)
     atheris.Fuzz()
 
+
 if __name__ == "__main__":
     main()