source: ResearchApps/PHY/WARPLAB/ResearchExamples/LTE_Setup/LTE_MATLAB_Reference_Files/1user_mimo/warplab_readRegister.m

function value_out = warplab_readRegister(nodeHandle, register_Id)

pktNoTx = 1;

ReadWrite = 0; % Set ReadWrite to 0 to read register

% Set the packet to be sent to the WARP node
pktDataTx = [pktNoTx, register_Id, ReadWrite];

datarec = warplab_pktSend(nodeHandle, pktDataTx);
pktNoTx = pktNoTx+1;

value_out =  datarec(4);