This library provides a small set of Elixir functions to communicate with lab instruments via VISA.
Documentation is available here.
NI-VISA, Python 3.10 and Poetry are required.
Add ex_visa
to your list of dependencies in mix.exs
:
def deps do
[
{:ex_visa, "~> 0.2.1"}
]
end
iex(1)> ExVisa.list_resources()
["ASRL1::INSTR", "ASRL3::INSTR", "GPIB0::27::INSTR", "GPIB1::8::INSTR"]
iex(2)> ExVisa.idn("GPIB1::8::INSTR")
"KEITHLEY INSTRUMENTS INC.,MODEL 6221,4559777,D04 /700x \n"
iex(3)> ExVisa.write("GPIB1::8::INSTR", "SOUR:DELT:ARM")
{}
iex(4)> ExVisa.write("GPIB1::8::INSTR", "INIT:IMM")
{}
iex(5)> ExVisa.query("GPIB1::8::INSTR", "SENS:DATA?")
"+9.9E37,+5.248E+01\n"
Communication to VISA is implemented using Erlport and pyvisa.