182 lines
6.6 KiB
Matlab
182 lines
6.6 KiB
Matlab
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clearvars -except times;close all;warning off;
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set(0,'defaultfigurecolor','w');
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addpath ..\..\library
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addpath ..\..\library\matlab
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ip = '192.168.2.1';
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addpath BPSK\transmitter
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addpath BPSK\receiver
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%% Transmit and Receive using MATLAB libiio
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% System Object Configuration
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s = iio_sys_obj_matlab; % MATLAB libiio Constructor
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s.ip_address = ip;
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s.dev_name = 'ad9361';
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s.in_ch_no = 2;
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s.out_ch_no = 2;
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s.in_ch_size = 42568;%length(txdata);
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s.out_ch_size = 42568.*8;%length(txdata).*8;
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s = s.setupImpl();
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input = cell(1, s.in_ch_no + length(s.iio_dev_cfg.cfg_ch));
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output = cell(1, s.out_ch_no + length(s.iio_dev_cfg.mon_ch));
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% Set the attributes of AD9361
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input{s.getInChannel('RX_LO_FREQ')} = 1e9;
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input{s.getInChannel('RX_SAMPLING_FREQ')} = 40e6;
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input{s.getInChannel('RX_RF_BANDWIDTH')} = 20e6;
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input{s.getInChannel('RX1_GAIN_MODE')} = 'manual';%% slow_attack manual
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input{s.getInChannel('RX1_GAIN')} = 10;
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% input{s.getInChannel('RX2_GAIN_MODE')} = 'slow_attack';
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% input{s.getInChannel('RX2_GAIN')} = 0;
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input{s.getInChannel('TX_LO_FREQ')} = 2e9;
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input{s.getInChannel('TX_SAMPLING_FREQ')} = 40e6;
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input{s.getInChannel('TX_RF_BANDWIDTH')} = 20e6;
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%strToSend = 'HomePod is a powerful speaker that sounds amazing and adapts to wherever it<69><74>s playing. It<49><74>s the ultimate music authority, bringing together Apple Music and Siri to learn your taste in music. It<49><74>s also an intelligent home assistant, capable of handling everyday tasks <20><> and controlling your smart home. HomePod takes the listening experience to a whole new level. And that<61><74>s just the beginning. We completely reimagined how music should sound in the home. HomePod combines Apple-engineered audio technology and advanced software to deliver the highest-fidelity sound throughout the room, anywhere it<69><74>s placed. This elegantly designed, compact speaker totally rocks the house. Setting up HomePod is quick and magical. Simply plug it in and your iOS device will detect it. Equipped with spatial awareness, HomePod automatically adjusts to give you optimal sound <20><> wherever it<69><74>s placed. It can even hear your requests from across the room while loud songs are playing. All you need to do is enjoy your music. HomePod is great at playing your music. But it can also tell you the latest news, traffic, sports, and weather. Set reminders and tasks. Send messages. Hand off phone calls. And HomePod is a hub for controlling your smart home accessories <20><> from a single light bulb to the whole house <20><> with just your voice.';
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fid = fopen('C:\Users\Berr\Desktop\ok.txt','rb');
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bytes = fread(fid);
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fclose(fid);
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encoder = org.apache.commons.codec.binary.Base64;
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strToSend = char(encoder.encode(bytes))';
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%<25><>ÿ60<36><30><EFBFBD>ַ<EFBFBD>֮ǰ<D6AE><C7B0><EFBFBD><EFBFBD>3λ֡<CEBB><D6A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϣ
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%֡<><D6A1><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1-10
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arrLength = ceil(length(strToSend)/57);
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sendArray = cell(1,arrLength);
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seqNum = 1;
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for index = 1:arrLength
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if seqNum < 10
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seqNumStr = ['00', int2str(seqNum)];
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else
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seqNumStr = ['0', int2str(seqNum)];
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end
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if seqNum == 10
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seqNum = 1;
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else
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seqNum = seqNum + 1;
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end
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if index*57 > length(strToSend)
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sendArray(index) = {[seqNumStr,strToSend(index*57-56:length(strToSend))]};
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else
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sendArray(index) = {[seqNumStr,strToSend(index*57-56:index*57)]};
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end
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end
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disp('start sending...');
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disp(['totoal packet count: ', int2str(length(sendArray))]);
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sendTime = clock;
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%<25><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD> - <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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%<25><><EFBFBD>ڳ<EFBFBD><DAB3><EFBFBD>Ϊ5
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startIndex = 1; %<25><>sendArray<61>ϻ<EFBFBD><CFBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CDB4><EFBFBD>
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lastSendIndex = 0;
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receivedSeqNum = 0;
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lastReceivedSeqNum = 0;
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roundCount = 0; %<25><><EFBFBD>Żع<C5BB><D8B9>˼<EFBFBD>Ȧ
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while startIndex <= length(sendArray)
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isTimeOut = 1;
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while isTimeOut %<25><>ʱ<EFBFBD>Զ<EFBFBD><D4B6>ش<EFBFBD>
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finishIndex = startIndex + 4;
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if startIndex + 4 > length(sendArray)
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finishIndex = length(sendArray);
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end
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for i = lastSendIndex+1 : finishIndex
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disp(['sending: ', sendArray{i}]);
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txdata = bpsk_tx_func(sendArray{i});
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txdata = round(txdata .* 2^14);
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txdata=repmat(txdata, 8,1);
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input{1} = real(txdata);
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input{2} = imag(txdata);
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writeTxData(s, input); %<25><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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lastSendIndex = i;
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pause(0.5);
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end
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t1 = clock;
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isSlide = 0; %<25>Ƿ<C7B7>
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while 1
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if etime(clock, t1) > 10 %<25><>ʱ
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isTimeOut = 1;
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disp('timeOut');
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if ~isSlide
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lastSendIndex = startIndex - 1;
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end
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break;
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end
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output = readRxData(s);
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I = output{1};
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Q = output{2};
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Rx = I+1i*Q;
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[rStr, crcResult] = bpsk_rx_func(Rx);
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if crcResult == 1
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disp(['receivedSeq: ', rStr]);
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receivedSeqNum = str2num(rStr);
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if receivedSeqNum < lastReceivedSeqNum
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roundCount = roundCount + 1;
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end
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startIndex = receivedSeqNum + 1 + 10 * roundCount;
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disp(['startIndex set to: ', int2str(startIndex)]);
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disp(['progress: ', num2str(startIndex/length(sendArray))]);
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if lastReceivedSeqNum ~= receivedSeqNum
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isSlide = 1; %<25>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű仯<C5B1><E4BBAF>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>ڻ<EFBFBD><DABB><EFBFBD><EFBFBD><EFBFBD>
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isTimeOut = 0;
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lastReceivedSeqNum = receivedSeqNum;
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break;
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else
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isSlide = 0;
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end
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end
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end
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end
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end
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disp('finished.');
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timeSpand = etime(clock, sendTime);
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disp(['time: ', num2str(timeSpand)]);
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disp(['average speed: ', num2str(length(sendArray)*57*8/timeSpand), ' bps']);
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%<25><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ټ<EFBFBD>
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receivedACK = 0;
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for i = 1:10 %<25><><EFBFBD><EFBFBD>ʮ<EFBFBD><CAAE><EFBFBD>ټ<EFBFBD><D9BC><EFBFBD><EFBFBD><EFBFBD>ʮ<EFBFBD>λ<EFBFBD>û<EFBFBD>л<EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>Լ<EFBFBD><D4BC>ر<EFBFBD>
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if(receivedACK == 1)
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break;
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end
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txdata = bpsk_tx_func('BYE');
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txdata = round(txdata .* 2^14);
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txdata=repmat(txdata, 8,1);
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input{1} = real(txdata);
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input{2} = imag(txdata);
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writeTxData(s, input); %<25><><EFBFBD><EFBFBD><EFBFBD>ټ<EFBFBD><D9BC><EFBFBD>Ϣ
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disp('BYE');
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pause(0.1);
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sendTime = clock;
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while(etime(clock, sendTime) < 10) %δ<><CEB4>ʱ<EFBFBD><CAB1>һֱ<D2BB><D6B1><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD><D8B8><EFBFBD>ACK
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output = readRxData(s);
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I = output{1};
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Q = output{2};
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Rx = I+1i*Q;
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[rStr, crcResult] = bpsk_rx_func(Rx);
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disp(['received:', rStr]);
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if crcResult == 1 && strcmp(rStr, 'ACK')
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receivedACK = 1; %<25>յ<EFBFBD>ACK <20>رջỰ
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break;
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end
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end
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end
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disp('Quit. Bye!');
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rssi1 = output{s.getOutChannel('RX1_RSSI')};
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s.releaseImpl();
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