?? powctrlcode.m
字號:
function [exectime, data] = powctrlcode(seg, data)switch seg, case 1, % Read all buffered packets msg = ttTryFetch('power_response'); % Obtain power ping response temp = msg; while ~isempty(temp), y = temp; temp = ttTryFetch('power_response'); % Obtain power ping response end if isempty(msg) & data.haverun ~= 0 % No echo reply, the other node did probably not hear us data.transmitPower = data.transmitPower + 10; % Limit the maximum transmit power to 30 dbm data.transmitPower = min(30, data.transmitPower); ttSetNetworkParameter('transmitpower', data.transmitPower); else % A echo reply, the other did hear us % try to lower the transmission power data.transmitPower = data.transmitPower - 1; ttSetNetworkParameter('transmitpower', data.transmitPower); end exectime = 0.00002; case 2, data.haverun = 1; msg.msg.sender = data.name; msg.type = 'power_ping'; time = ttCurrentTime; %disp(['setting transmitpower to: ' num2str(data.transmitPower) ' in node: ' num2str(msg.msg.sender) ' at time ' num2str(time)]); ttSendMsg(data.receiver, msg, 80); % Send 80 bits exectime = -1; % finishedend
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