adi:ad4080: Add initial AD4080 support

1. Add driver with IIO attributes as properties
2. Add example script to configure attrs and capture data

Signed-off-by: RibhuDP <[email protected]>

+adi/+AD4080/Rx.m

@@ -0,0 +1,146 @@
+classdef Rx < adi.Base.Base 
+    % 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'
+
+        % 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'
+        SamplesPerFrame = 4096
+        Scale = 0.005722
+        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'})
+
+%         CommonModeVoltsSet = matlab.system.StringSet({ '(AVDD1-AVSS)/2', '2V5', ...
+%             '2V05', '1V9', '1V65', '1V1', '0V9', 'OFF'})
+
+        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 = 'cf-ad9467-core-lpc'
+        devName = 'cf-ad9467-core-lpc'
+    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:10.121.135.77';
+        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 = 1;
+            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', 'sampling_frequency', obj.SampleRate, false);
+            %obj.setAttributeRAW('voltage0', 'scale', '0.005722', false);
+            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

examples/ad4080_DataCapture.m

@@ -0,0 +1,29 @@
+%% Script for capturing and displaying a continuous set of samples from a 
+%% connected AD4080 board
+
+% Instantiate the system object
+rx = adi.AD4080.Rx;
+% Specify uri
+rx.uri = 'ip:10.121.135.77';
+rx.SamplesPerFrame = 4096;  % Using values less than 3660 can yield poor 
+% performance, generally
+rx.EnabledChannels = [1];
+rx.TestMode = 'midscale_short';
+% The parameter below specifies the number of frames or buffers to capture.
+% Refer to the Streaming section in the documentation if discontinuities
+% are observed in the acquired data.
+rx.FrameCount = 1;
+
+% 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);