Component: PicoScope (PS2000) (Test Equipment)

Author	Matrix Ltd
Version	1.0
Category	Test Equipment

PicoScope component

A set of functions designed for interacting with a 2000 series Pico scope via simulation.

Component Pack

COMMSC

Detailed description

No detailed description exists yet for this component

Examples

An example project showing the capabilities of the Velleman K8055D board combined with a Pico Technology series 2 scope.

Velleman and Picoscope Demo

Downloadable macro reference

	ps2000_get_timebase
Returns details associated with the selected timebase index
- INT	Handle
the handle of the required device.
- INT	timebase
The ps2000a API allows you to select any of 2 32 different timebases based on a maximum sampling rate of 1 GS/s.
- LONG	no_of_samples
number of samples required
- LONG	time_interval
time interval between readings at the selected timebase. Use NULL if not required.
- INT	time_units
- INT	oversample
not used.
- LONG	max_samples
on exit, the maximum number of samples available.
- INT	Return

	ps2000_open_unit_progress
This function checks on the progress of a request made to ps2000aOpenUnitAsync to open a scope.
- INT	handle
- INT	Progress
- INT	Return

	ps2000_flash_led
This function flashes the LED on the front of the scope without blocking the calling thread.
- INT	handle
handle of the scope device
- INT	Return

	ps2000_stop
This function stops the scope device from sampling data. If this function is called before a trigger event occurs, the oscilloscope may not contain valid data.
- INT	Handle
- INT	Return

	ps2000_get_unit_info
This function retrieves information about the specified oscilloscope.
- INT	Handle
the handle of the device
- STRING	info_string
unit information string
- INT	string_length
the maximum number of chars in the string
- INT	info_line
a number specifying what information is required. 0=DriverVersion / 1=USBVersion / 2=HardwareVersion / 3=VariantInfo / 4=BatchAndSerial / 5=CalDate / 6=KernelVersion / 7=DigHardwareVersion / 8=AnHardwareVersion
- INT	Return

	ps2000_set_channel
This function specifies whether an input channel is to be enabled, its input coupling type, voltage range, analog offset and bandwidth limit.
- INT	handle
Handle of the device
- INT	channel
the channel to be configured. The values are: 0=ChanA / 1=ChanB
- INT	enabled
whether or not to enable the channel. The values are: 0=Disable / 1=Enable
- INT	dc
the impedance and coupling type. Values: 0=AC / 1=DC
- INT	range
the input voltage range: 0=50mV / 1=100mV / 2=200mV / 3=500mV / 4=1V / 5=2V / 6=5V / 7=10V / 8=20V
- INT	Return

	ps2000_get_times_and_values
- INT	Handle
- LONG	times
- INT	buffer_a
- INT	buffer_b
- INT	buffer_c
- INT	buffer_d
- INT	overflow
- INT	time_units
- LONG	no_of_samples
- LONG	Return

	ps2000_set_trigger
- INT	handle
- INT	source
- INT	threshold
- INT	direction
- INT	delay
- INT	auto_trigger_ms
- INT	Return

	ps2000_set_sig_gen_built_in
sets up the signal generator to produce a signal from a list of built-in waveforms
- INT	Handle
Handle to the device
- LONG	Offset_uV
the voltage offset, in microvolts, to be applied to the waveform
- ULONG	pk2pk_uV
the peak-to-peak voltage, in microvolts, of the waveform
- INT	waveType
the type of waveform to be generated. 0=Sine / 1=Square / 2=Triangle / 3=RampUp / 4=RampDown / 5=Sinc / 6=Gaus / 7=HalfSine / 8=DC
- FLOAT	startFrequency
the frequency that the signal generator will initially produce
- FLOAT	stopFrequency
the frequency at which the sweep reverses direction or returns to initial
- FLOAT	increment
the amount of frequency increase or decrease in sweep mode
- FLOAT	dwellTime
the time for which the sweep stays at each frequency, in seconds
- INT	sweepType
whether the frequency will sweep from startFrequency to stopFrequency. 0=Up, 1=Down, 2=UpDown, 3=DownUp
- ULONG	sweeps
produce number of cycles specified by shots
- INT	Return

	ps2000_close_unit
This function shuts down an oscilloscope.
- INT	Handle
The handle of the scope device to be closed
- INT	Return

	ps2000_run_block
This function starts collecting data in block mode.
- INT	handle
- LONG	no_of_samples
- INT	timebase
- INT	oversample
- LONG	time_indisposed_ms
- INT	Return

	ps2000_get_values
This function returns block-mode data, with or without downsampling.
- INT	Handle
the handle of the required device.
- INT	buffer_a
Start point for data collection
- INT	buffer_b
Number of samples
- INT	buffer_c
Down sample ratio
- INT	buffer_d
Down sample mode : 0=None / 1=Aggregate / 2=Decimate / 4=Average
- INT	overflow
Flags to indicate if an overflow has occurred
- LONG	no_of_samples
- LONG	Return

	ps2000_ready
- INT	Handle
- INT	Return

	ps2000_open_unit_async
This function opens a scope without blocking the calling thread.
- INT	Return

	ps2000_open_unit
Returns a handle to the opened unit Returns 0 if no unit found Returns -1 if unit failed to open
- INT	Return

Property reference

Properties