def close(self):
self.status["stop"] = ps.ps3000aStop(self.chandle)
assert_pico_ok(self.status["stop"])
# Closes the unit
# Handle = chandle
self.status["close"] = ps.ps3000aCloseUnit(self.chandle)
assert_pico_ok(self.status["close"])
print "Plotting data..."
plt.figure(num='PicoScope 3000 Series (A API) MSO Block Capture Example')
plt.title('Plot of Digital Port 0 digital channels vs. time')
plt.plot(time, bufferDPort0[0], label='D7') # D7 is the last array in the tuple.
plt.plot(time, bufferDPort0[1], label='D6')
plt.plot(time, bufferDPort0[2], label='D5')
plt.plot(time, bufferDPort0[3], label='D4')
plt.plot(time, bufferDPort0[4], label='D3')
plt.plot(time, bufferDPort0[5], label='D2')
plt.plot(time, bufferDPort0[6], label='D1')
plt.plot(time, bufferDPort0[7], label='D0') # D0 is the last array in the tuple.
plt.xlabel('Time (ns)')
plt.ylabel('Logic Level')
plt.legend(loc="upper right")
plt.show()
print "Close figure to stop the device and close the connection."
# Stops the scope
# handle = chandle
status["stop"] = ps.ps3000aStop(chandle)
assert_pico_ok(status["stop"])
# Closes the unit
# handle = chandle
status["closeUnit"] = ps.ps3000aCloseUnit(chandle)
assert_pico_ok(status["closeUnit"])
# Displays the status returns
print(status)
def disconnect(self):
status = {}
status["close"] = ps.ps3000aCloseUnit(self.chandle)
assert_pico_ok(status["close"])
bufferAMin = (ctypes.c_int16 * maxsamples)() # Setting the data buffer location for data collection from channel A # Handle = Chandle # source = ps3000A_channel_A = 0 # Buffer max = ctypes.byref(bufferAMax) # Buffer min = ctypes.byref(bufferAMin) # Buffer length = maxsamples # Segment index = 0 # Ratio mode = ps3000A_Ratio_Mode_None = 0 status["SetDataBuffers"] = ps.ps3000aSetDataBuffers(chandle, 0, ctypes.byref(bufferAMax), ctypes.byref(bufferAMin), maxsamples, 0, 0) sampleInterval = ctypes.c_int32(10) timeUnits = 3 # PS3000A_US # Starts the streaming capture status['runStreaming'] = ps.ps3000aRunStreaming(chandle, ctypes.byref(sampleInterval), timeUnits, preTriggerSamples, postTriggerSamples, 1, 1, 0, maxsamples) # Stops the scope # Handle = chandle status["stop"] = ps.ps3000aStop(chandle) # Displays the staus returns print(status) # Closes the unit # Handle = chandle ps.ps3000aCloseUnit(chandle)
def close(self):
"""Close the device."""
assert_pico_ok(ps.ps3000aCloseUnit(self._handle))
self._handle = None
cmaxSamples, bufferAMax)
# Creates the time data
time = np.linspace(0, (cmaxSamples.value) * timeIntervalns.value,
cmaxSamples.value)
# Plots the data from digital channel onto a graph
plt.plot(time, bufferAMaxBinaryD0[:])
plt.plot(time, bufferAMaxBinaryD1[:])
plt.plot(time, bufferAMaxBinaryD2[:])
plt.plot(time, bufferAMaxBinaryD3[:])
plt.plot(time, bufferAMaxBinaryD4[:])
plt.plot(time, bufferAMaxBinaryD5[:])
plt.plot(time, bufferAMaxBinaryD6[:])
plt.plot(time, bufferAMaxBinaryD7[:])
plt.xlabel('Time (ns)')
plt.ylabel('Binary')
plt.show()
# Stops the scope
# Handle = chandle
status["stop"] = ps.ps3000aStop(chandle)
assert_pico_ok(status["stop"])
# Closes the unit
# Handle = chandle
status["stop"] = ps.ps3000aCloseUnit(chandle)
assert_pico_ok(status["stop"])
# Displays the staus returns
print(status)