import matplotlib.pyplot as plt

# DSP sample rate
sample_rate = 100000  # samples per second

# Pulse timing
on_time = 300e-6   # 300 microseconds
off_time = 300e-6  # 300 microseconds

# Convert time into samples
on_samples = int(on_time * sample_rate)
off_samples = int(off_time * sample_rate)

# Create boolean waveform buffer
bool_array = (
    [True] * on_samples +
    [False] * off_samples
)

# Repeat the pulse several times
bool_array = bool_array * 5


# Convert boolean samples into voltage samples
time = []
voltage = []

for sample, bit in enumerate(bool_array):

    t = sample / sample_rate

    if bit:
        v = 1.0
    else:
        v = 0.0

    time.append(t)
    voltage.append(v)


# Display like an oscilloscope
plt.figure(figsize=(10,4))

plt.step(time, voltage, where="post")

plt.xlabel("Time (seconds)")
plt.ylabel("Voltage (V)")
plt.title("300us ON / 300us OFF DSP Pulse Wave")

plt.grid(True)
plt.ylim(-0.2, 1.2)

plt.show()