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adi:ad4080: Add initial AD4080 support
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1. Add driver with IIO attributes as properties
2. Add example script to configure attrs and capture data

Signed-off-by: RibhuDP <[email protected]>
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ribdp committed Mar 29, 2024
1 parent 71b9497 commit ee9770d
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146 changes: 146 additions & 0 deletions +adi/+AD4080/Rx.m
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classdef Rx < adi.common.Rx & adi.common.RxTx & ...
matlabshared.libiio.base & adi.common.Attribute & ...
adi.common.RegisterReadWrite & adi.common.Channel
% AD4080 Precision ADC Class
% adi.AD4080.Rx Receives data from the AD4080 ADC
% The adi.AD4080.Rx System object is a signal source that can receive
% data from the AD4080.
%
% rx = adi.AD4080.Rx;
% rx = adi.AD4080.Rx('uri','192.168.2.1');
%
% <a href="https://www.analog.com/media/en/technical-documentation/data-sheets/ad4080.pdf">AD4080 Datasheet</a>

properties (Nontunable)
% SampleRate Sample Rate
% Baseband sampling rate in Hz, specified as a scalar
% in samples per second. Options are:
% '256000','128000','64000','32000','16000','8000','4000',
% '2000','1000'
SampleRate = '40000000'

% SamplesPerFrame Samples Per Frame
% The number of samples to be captured as part of one continuous buffer
SamplesPerFrame = 4096

% Scale Scale
% Scale value to be used to convert the code to voltage
Scale = 0.005722

% TestMode Test Mode
% Test Mode for AD4080. Options are:
% 'off', 'midscale_short', 'pos_fullscale',
% 'neg_fullscale', 'checkerboard', 'pn_long', 'on_short', 'one_zero_toggle',
% 'user', 'bit_toggle', 'sync', 'one_bit_high', 'mixed_bit_frequency'
TestMode = 'off'

end

properties (Nontunable, Hidden)
channel_names = { ...
'voltage0'}
end

properties (Hidden, Nontunable, Access = protected)
isOutput = false
end

properties (Constant, Hidden)
SampleRateSet = matlab.system.StringSet({ ...
'40000000', '256000', '128000', '64000', ...
'32000', '16000', '8000', '4000', ...
'2000', '1000'})

TestModeSet = matlab.system.StringSet({'off', 'midscale_short', 'pos_fullscale', ...
'neg_fullscale', 'checkerboard', 'pn_long', 'on_short', 'one_zero_toggle', ...
'user', 'bit_toggle', 'sync', 'one_bit_high', 'mixed_bit_frequency'})

end

properties (Nontunable, Hidden)
Timeout = Inf
dataTypeStr = 'int32'
phyDevName = 'ad4080'
devName = 'ad4080'
end

properties (Nontunable, Hidden, Constant)
Type = 'Rx'
ComplexData = false
end

methods

%% Constructor
function obj = Rx(varargin)
obj = [email protected](varargin{:});
obj.enableExplicitPolling = false;
obj.EnabledChannels = 1;
obj.BufferTypeConversionEnable = true;
obj.uri = 'ip:analog.local';
end

function flush(obj)
flushBuffers(obj);
end

% Check SamplingRate
function set.SampleRate(obj, value)
obj.SampleRate = value;
if obj.ConnectedToDevice
obj.setDeviceAttributeRAW('sampling_frequency', value);
end
end

% Check TestMode
function set.TestMode(obj, value)
obj.TestMode = value;
if obj.ConnectedToDevice
obj.setDeviceAttributeRAW('test_mode', value);
end
end

end

methods (Access = protected)

function numOut = getNumOutputsImpl(~)
numOut = 2;
end

end

%% API Functions
methods (Hidden)

function setupExtra(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 doesn't support
% modification to nontunable variables at SetupImpl

obj.setDeviceAttributeRAW('sampling_frequency', num2str(obj.SampleRate));
obj.setAttributeRAW('voltage0', 'test_mode', obj.TestMode, false);
end

end

%% External Dependency Methods
methods (Hidden, Static)

function tf = isSupportedContext(bldCfg)
tf = matlabshared.libiio.ExternalDependency.isSupportedContext(bldCfg);
end

function updateBuildInfo(buildInfo, bldCfg)
% Call the matlabshared.libiio.method first
matlabshared.libiio.ExternalDependency.updateBuildInfo(buildInfo, bldCfg);
end

function bName = getDescriptiveName(~)
bName = 'AD4080 Precision ADC';
end

end
end
1 change: 1 addition & 0 deletions CI/gen_doc/docs/gen_sysobj_doc.m
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Expand Up @@ -36,6 +36,7 @@
, {'AD5791', {'Tx'}}...
, {'AD7124_4', {'Rx'}}...
, {'AD7124_8', {'Rx'}}...
, {'AD4080', {'Rx'}}...
%{'QuadMxFE',{'Rx','Tx'}}...
};

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41 changes: 41 additions & 0 deletions CI/gen_doc/docs/sysobjs.json
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Expand Up @@ -1157,5 +1157,46 @@
"prop_description": "Hostname or IP address of remote libIIO deviceHelp for adi.AD7124_8.Rx/uri is inherited from superclass matlabshared.libiio.base"
}
]
},
{
"name": "adi.AD4080.Rx",
"dec": " adi.AD4080.Rx Receives data from the AD4080 ADC<br> The adi.AD4080.Rx System object is a signal source that can receive<br> data from the AD4080.<br> <br> rx = adi.AD4080.Rx;<br> rx = adi.AD4080.Rx('uri','192.168.2.1');<br> <br> <a href=\"https://www.analog.com/media/en/technical-documentation/data-sheets/ad4080.pdf\">AD4080 Datasheet</a><br> Documentation for adi.AD4080.Rx<br> doc adi.AD4080.Rx<br>",
"props": [
{
"prop_name": "EnabledChannels",
"prop_title": " EnabledChannels Enabled Channels",
"prop_description": "Indexs of channels to be enabled. Input should be a [1xN] vector with the indexes of channels to be enabled. Order is irrelevant"
},
{
"prop_name": "SampleRate",
"prop_title": " SampleRate Sample Rate",
"prop_description": "Baseband sampling rate in Hz, specified as a scalar in samples per second. Options are: '256000','128000','64000','32000','16000','8000','4000', '2000','1000'"
},
{
"prop_name": "SamplesPerFrame",
"prop_title": " SamplesPerFrame Samples Per Frame",
"prop_description": "The number of samples to be captured as part of one continuous buffer"
},
{
"prop_name": "Scale",
"prop_title": " Scale Scale",
"prop_description": "Scale value to be used to convert the code to voltage"
},
{
"prop_name": "TestMode",
"prop_title": " TestMode Test Mode",
"prop_description": "Test Mode for AD4080. Options are: 'off', 'midscale_short', 'pos_fullscale', 'neg_fullscale', 'checkerboard', 'pn_long', 'on_short', 'one_zero_toggle', 'user', 'bit_toggle', 'sync', 'one_bit_high', 'mixed_bit_frequency'"
},
{
"prop_name": "kernelBuffersCount",
"prop_title": " Kernel buffers count",
"prop_description": "The number of buffers allocated in the kernel for data transfersHelp for adi.AD4080.Rx/kernelBuffersCount is inherited from superclass matlabshared.libiio.base"
},
{
"prop_name": "uri",
"prop_title": " URI - remote host URI",
"prop_description": "Hostname or IP address of remote libIIO deviceHelp for adi.AD4080.Rx/uri is inherited from superclass matlabshared.libiio.base"
}
]
}
]
25 changes: 25 additions & 0 deletions examples/ad4080_DataCapture.m
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%% Script for capturing and displaying a continuous set of samples from a
%% connected EVAL-AD4080-FMCZ board

% Instantiate the system object
rx = adi.AD4080.Rx;
% Specify uri
rx.uri = 'ip:analog.local';

rx.SamplesPerFrame = 4096;
rx.EnabledChannels = [1];
rx.TestMode = 'midscale_short';

% Capture data
data = rx();

enabledChannels = size(data, 2);
figure(1);
for i = 1:enabledChannels
subplot(enabledChannels, 1, i);
plot(data(1:rx.FrameCount * rx.SamplesPerFrame, i));
title("Channel " + num2str(rx.EnabledChannels(i)));
end

% Delete the system object
release(rx);

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