status = {}
chandle = ctypes.c_int16()
# Opens the device/s
status["openunit"] = ps.ps2000aOpenUnit(ctypes.byref(chandle), None)
try:
assert_pico_ok(status["openunit"])
except:
# powerstate becomes the status number of openunit
powerstate = status["openunit"]
# If powerstate is the same as 282 then it will run this if statement
if powerstate == 282:
# Changes the power input to "PICO_POWER_SUPPLY_NOT_CONNECTED"
status["ChangePowerSource"] = ps.ps2000aChangePowerSource(chandle, 282)
# If the powerstate is the same as 286 then it will run this if statement
elif powerstate == 286:
# Changes the power input to "PICO_USB3_0_DEVICE_NON_USB3_0_PORT"
status["ChangePowerSource"] = ps.ps2000aChangePowerSource(chandle, 286)
else:
raise
assert_pico_ok(status["ChangePowerSource"])
# Generates Sine signal with a 2V pkToPk with a 10KHz frequency
# handle = chandle
# offsetVoltage = 0
# pkToPk = 2000000
# waveType = ctypes.c_int16(0) = PS2000a_SINE
# startFrequency = 10000 Hz
# Create chandle and status ready for use
chandle = ctypes.c_int16()
status = {}
# Open PicoScope 2000 Series device
status["openunit"] = ps.ps2000aOpenUnit(ctypes.byref(chandle), None)
try:
assert_pico_ok(status["openunit"])
except: # PicoNotOkError:
powerStatus = status["openunit"]
if powerStatus == 286:
status["changePowerSource"] = ps.ps2000aChangePowerSource(
chandle, powerStatus)
elif powerStatus == 282:
status["changePowerSource"] = ps.ps2000aChangePowerSource(
chandle, powerStatus)
else:
raise
assert_pico_ok(status["changePowerSource"])
enabled = 1
disabled = 0
analogue_offset = 0.0
# Set up channel A
# handle = chandle
# channel = PS2000A_CHANNEL_A = 0