Example
function instructions = getInstructions()
% pwGetDrivingFunction(uType, uTimes, uValues)
instructions = [];
instructions(end+1).t = [0:10 15:5:60];
instructions(end).stimuli.TGFb = pwGetDrivingFunction('steps', [-100 0], [0 1]);
instructions(end).name = 'TGF, continuous stimulation'; % custom name
instructions(end+1).t = [0:10 15:5:40];
instructions(end).stimuli.TGFb = pwGetDrivingFunction('steps', [-100 0 10], [0 1 0]);
instructions(end).name = 'TGF, 10-min pulse';
instructions(end+1).t = [0 1 2 3 4 5 6 7 8 9 10 12 14 16 18 20 40 50 60 70 90];
instructions(end).stimuli.TGFb = pwGetDrivingFunction('steps', [-100 0 20], [0 1 0.5]);
instructions(end).name = 'TGF, 20-min pulse';