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classdef Base < adi.common.Rx & adi.common.RxTx & ... | ||
matlabshared.libiio.base & adi.common.Attribute & ... | ||
adi.common.RegisterReadWrite & adi.common.Channel | ||
% AD7124 Precision ADC Class | ||
% AD7124-4 is a 8 channel ADC | ||
% AD7124-8 is a 16 channel ADC | ||
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properties (Nontunable) | ||
% SampleRate Sample Rate | ||
% Baseband sampling rate in Hz, specified as a scalar | ||
% in samples per second. | ||
SampleRate = '19200' | ||
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% SamplesPerFrame Samples Per Frame | ||
% Number of samples per frame, specified as an even positive | ||
% integer. | ||
SamplesPerFrame = 400 | ||
end | ||
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% isOutput | ||
properties (Hidden, Nontunable, Access = protected) | ||
isOutput = false | ||
end | ||
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properties (Nontunable, Hidden, Constant) | ||
Type = 'Rx' | ||
end | ||
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properties (Nontunable, Hidden) | ||
Timeout = Inf | ||
kernelBuffersCount = 1 | ||
dataTypeStr = 'int32' | ||
phyDevName | ||
devName | ||
end | ||
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properties (Hidden, Constant) | ||
ComplexData = false | ||
end | ||
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methods | ||
%% Constructor | ||
function obj = Base(phydev,dev,varargin) | ||
coder.allowpcode('plain'); | ||
% Initialize the Rx object | ||
obj = [email protected](varargin{:}); | ||
obj.enableExplicitPolling = false; | ||
obj.EnabledChannels = 1; | ||
obj.BufferTypeConversionEnable = true; | ||
obj.phyDevName = phydev; | ||
obj.devName = dev; | ||
obj.uri = 'ip:analog.local'; | ||
end | ||
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function flush(obj) | ||
% Flush the buffer | ||
flushBuffers(obj); | ||
end | ||
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function delete(obj) | ||
% Destructor | ||
[email protected](obj); | ||
end | ||
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function set.SampleRate(obj, value) | ||
% Set device sampling rate | ||
obj.SampleRate = value; | ||
if obj.ConnectedToDevice | ||
obj.setDeviceAttributeRAW('sampling_frequency', value); | ||
end | ||
end | ||
end | ||
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%% API Functions | ||
methods (Hidden, Access = protected) | ||
function setupInit(obj) | ||
% Write all attributes to device once connected through set | ||
% methods | ||
% Do writes directly to hardware without using set methods. | ||
% This is required since Simulink support doesn't support | ||
% modification to nontunable variables at SetupImpl | ||
obj.setDeviceAttributeRAW('sampling_frequency',num2str(obj.SampleRate)); | ||
end | ||
end | ||
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%% External Dependency Methods | ||
methods (Hidden, Static) | ||
function tf = isSupportedContext(bldCfg) | ||
tf = matlabshared.libiio.ExternalDependency.isSupportedContext(bldCfg); | ||
end | ||
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function updateBuildInfo(buildInfo, bldCfg) | ||
% Call the matlabshared.libiio.method first | ||
matlabshared.libiio.ExternalDependency.updateBuildInfo(buildInfo, bldCfg); | ||
end | ||
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function bName = getDescriptiveName(~) | ||
bName = 'AD7124 ADC'; | ||
end | ||
end | ||
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end |
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classdef Rx < adi.common.Rx & adi.common.RxTx ... | ||
& adi.AD7124.Base | ||
% AD7124-4 Precision ADC Class | ||
% adi.AD7124-4.Rx Receives data from the AD7124 ADC | ||
% The adi.AD7124-4.Rx System object is a signal source that can receive | ||
% data from the AD7124-4. | ||
% | ||
% rx = adi.AD7124_4.Rx; | ||
% rx = adi.AD7124_4.Rx('uri','ip:192.168.2.1'); | ||
% | ||
% <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/ad7124-4.pdf">AD7124-4 Datasheet</a> | ||
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properties (Nontunable, Hidden) | ||
channel_names = {'voltage0','voltage1','voltage2'... | ||
'voltage3','voltage4','voltage5','voltage6','voltage7'}; | ||
end | ||
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methods | ||
%% Constructor | ||
function obj = Rx(varargin) | ||
obj = [email protected]('ad7124-4','ad7124-4',varargin{:}); | ||
end | ||
end | ||
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end | ||
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classdef Rx < adi.common.Rx & adi.common.RxTx ... | ||
& adi.AD7124.Base | ||
% AD7124-8 Precision ADC Class | ||
% adi.AD7124-8.Rx Receives data from the AD7124 ADC | ||
% The adi.AD7124-8.Rx System object is a signal source that can receive | ||
% data from the AD7124-8. | ||
% | ||
% rx = adi.AD7124_8.Rx; | ||
% rx = adi.AD7124_8.Rx('uri','ip:192.168.2.1'); | ||
% | ||
% <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/ad7124-8.pdf">AD7124-8 Datasheet</a> | ||
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properties (Nontunable, Hidden) | ||
channel_names = {'voltage0','voltage1','voltage2','voltage3',... | ||
'voltage4','voltage5','voltage6','voltage7','voltage8','voltage9',... | ||
'voltage10','voltage11','voltage12','voltage13','voltage14','voltage15'}; | ||
end | ||
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methods | ||
%% Constructor | ||
function obj = Rx(varargin) | ||
obj = [email protected]('ad7124-8','ad7124-8',varargin{:}); | ||
end | ||
end | ||
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end |
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%% Script for capturing and displaying a continuous set of samples from a | ||
%% connected AD7124-4 board | ||
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% Instantiate the system object | ||
rx = adi.AD7124_4.Rx(); | ||
rx.uri = 'ip:analog.local'; | ||
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% Samples per frame cannot exceed 500 if all 16 channels need to be captured on ad7124-8 | ||
rx.SamplesPerFrame = 500; | ||
rx.EnabledChannels = [1 2 3 4 5 6 7 8]; | ||
rx.SampleRate = 19200; | ||
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% Capture data | ||
data = rx(); | ||
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enabledChannels = size(data,2); | ||
figure(1); | ||
for i = 1:enabledChannels | ||
subplot(enabledChannels, 1, i); | ||
plot(data(1:rx.SamplesPerFrame, i)); | ||
title("Channel " + num2str(rx.EnabledChannels(i))); | ||
end | ||
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% Delete the system object | ||
release(rx); |