BIOPAC_setup.m

function ljHandle = BIOPAC_setup(channel_n)

% This function do basic setting of BIOPAC.
% channel_n : Total channel number. You should exclude trigger channel.

%% Basic setting and load handle

BIOPAC_ON = 1;
BIOPAC_OFF = 0;

LJ_dtU3 = 3;
LJ_ctUSB = 1;
LJ_ioPIN_CONFIGURATION_RESET = 2017; % U3
LJ_ioPUT_DIGITAL_BIT = 40; % UE9 + U3

ljud_LoadDriver; % Loads LabJack UD Function Library
%ljud_Constants; % Loads LabJack UD constant file

[Error, ljHandle] = ljud_OpenLabJack(LJ_dtU3, LJ_ctUSB,'1',1); % Returns ljHandle for open LabJack

Error_Message(Error) % Check for and display any Errros

%Start by using the pin_configuration_reset IOType so that all
%pin assignments are in the factory default condition.
Error = ljud_ePut(ljHandle, LJ_ioPIN_CONFIGURATION_RESET, 0, 0, 0);
Error_Message(Error)


%% Default configuration
for BIO_i = 1:channel_n
    Error = ljud_ePut(ljHandle, LJ_ioPUT_DIGITAL_BIT, BIO_i-1, BIOPAC_OFF ,0); % Because channel starts from 0.
    Error_Message(Error)
end

end