mpylab.device.amplifier_virtual module

Virtual amplifier driver for UI and API tests.

class mpylab.device.amplifier_virtual.AMPLIFIER(**kw)

Bases: AMPLIFIER

Virtual amplifier with interpolated data and state tracking.

Parameters:

kw (mapping) – Keyword arguments forwarded to the base amplifier, including SearchPaths.

GetState()

Return the virtual amplifier state.

Returns:

(0, state).

Return type:

tuple

GetVirtual()

Return the fixed virtual-mode flag.

Returns:

(0, True).

Return type:

tuple

Init(ini=None, channel=None, ignore_bus=None)

Initialize data and force virtual mode on.

Parameters:

• ini (path-like or file-like, optional) – Amplifier configuration source.

• channel (int or str, optional) – Initial data channel.

• ignore_bus (bool, optional) – Accepted for API compatibility; the virtual driver always ignores the hardware bus.

Returns:

Device status; zero indicates success.

Return type:

int

Operate()

Switch to operate mode.

Returns:

Device status.

Return type:

int

POff()

Switch amplifier power off.

Returns:

Device status.

Return type:

int

POn()

Switch amplifier power on.

Returns:

Device status.

Return type:

int

Quit()

Power off the virtual amplifier.

Returns:

Device status.

Return type:

int

SetState(state)

Set amplifier state using common aliases.

Parameters:

state (str) – State or alias for POn, Operate, Standby, or POff.

Returns:

Device status; zero indicates success.

Return type:

int

Standby()

Switch to standby mode.

Returns:

Device status.

Return type:

int