adi: ad4692: Add support for ad4692

+adi/+AD4692/Rx.m

@@ -0,0 +1,94 @@
+classdef Rx < adi.common.Rx & matlabshared.libiio.base & adi.common.Attribute
+    % AD4692 Precision ADC Class
+    % adi.AD4692.Rx Receives data from the AD4692 ADC
+    %   The adi.AD4692.Rx System object is a signal source that can receive
+    %   data from the AD4692.
+    %
+    %   rx = adi.AD4692.Rx;
+    %   rx = adi.AD4692.Rx('uri','192.168.2.1');
+    %
+
+    properties (Nontunable)
+        % SampleRate Sample Rate
+        %   Baseband sampling rate in Hz, specified as a scalar
+        %   in samples per second.
+        SampleRate = '500000'
+
+        % SamplesPerFrame Samples Per Frame
+        %   Number of samples per frame, specified as an even positive
+        %   integer.
+        SamplesPerFrame = 1024
+    end
+
+    properties (Hidden)
+        % Number of frames or buffers of data to capture
+        FrameCount = 1
+    end
+
+    % Channel names
+    properties (Nontunable, Hidden, Constant)
+        channel_names = {'voltage0'}
+    end
+
+    % isOutput
+    properties (Hidden, Nontunable, Access = protected)
+        isOutput = false
+    end
+
+    properties (Nontunable, Hidden)
+        Timeout = Inf
+        kernelBuffersCount = 2
+        dataTypeStr = 'int32'
+        phyDevName = 'ad4692'
+        devName = 'ad4692'
+    end
+
+    properties (Nontunable, Hidden, Constant)
+        Type = 'Rx'
+    end
+
+    properties (Hidden, Constant)
+        ComplexData = false
+    end
+
+    methods
+
+        %% Constructor
+        function obj = Rx(varargin)
+            % Initialize the Rx object
+            obj = obj@matlabshared.libiio.base(varargin{:});
+            obj.enableExplicitPolling = false;
+            obj.EnabledChannels = 1;
+            obj.BufferTypeConversionEnable = true;
+            obj.uri = 'ip:analog.local';
+        end
+
+        function flush(obj)
+            % Flush the buffer
+            flushBuffers(obj);
+        end
+
+        function set.SampleRate(obj, value)
+            % Set device sampling rate
+            obj.SampleRate = value;
+            if obj.ConnectedToDevice
+                obj.setDeviceAttributeRAW('sampling_frequency', value);
+            end
+        end
+
+    end
+
+    %% 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
+end

+adi/Contents.m

@@ -26,6 +26,7 @@
 %   <a href="matlab:help adi.AD4062            ">AD4062</a>         - ADC
 %   <a href="matlab:help adi.AD4630_16         ">AD4630-16</a>      - ADC
 %   <a href="matlab:help adi.AD4630_24         ">AD4630-24</a>      - ADC
+%   <a href="matlab:help adi.AD4692            ">AD4692</a>         - ADC
 %   <a href="matlab:help adi.AD4170            ">AD4170</a>         - ADC
 %   <a href="matlab:help adi.AD4190            ">AD4190</a>         - ADC
 %   <a href="matlab:help adi.ADAQ4224          ">ADAQ4224</a>       - ADAQ

CI/gen_doc/docs/_pages/index.md

@@ -59,6 +59,7 @@ The following have device-specific implementations in MATLAB and Simulink. If a
 | AD4080    | Zedboard  | Yes   | No    | ADI (2021b) |
 | AD4170    | Zedboard  | Yes   | No    | ADI (2021b) |
 | AD4190    | Zedboard  | Yes   | No    | ADI (2021b) |
+| AD4692    | Zedboard  | Yes   | No    | ADI (2021b) |
 | AD5592r   | Zedboard  | Yes   | No    | ADI (2021b) |
 | AD5593r   | Zedboard  | Yes   | No    | ADI (2021b) |
 | AD5710r   | Zedboard  | Yes   | No    | ADI (2021b) |

CI/gen_doc/docs/gen_sysobj_doc.m

@@ -40,6 +40,7 @@
     , {'AD4062', {'Rx'}}...
     , {'AD4170', {'Rx'}}...
     , {'AD4190', {'Rx'}}...
+    , {'AD4692', {'Rx'}}...
     , {'AD5760', {'Tx'}}...
     , {'AD5780', {'Tx'}}...
     , {'AD5781', {'Tx'}}...

docs/source/index.rst

@@ -65,6 +65,7 @@ The following have device-specific implementations in MATLAB and Simulink. In ge
    "AD4020", "Zedboard", "Yes", "No", "ADI (2021b)"
    "AD4021", "Zedboard", "Yes", "No", "ADI (2021b)"
    "AD4022", "Zedboard", "Yes", "No", "ADI (2021b)"
+   "AD4692", "Zedboard", "Yes", "No", "ADI (2021b)"
    "AD5760", "Zedboard", "Yes", "No", "ADI (2021b)"
    "AD5780", "Zedboard", "Yes", "No", "ADI (2021b)"
    "AD5781", "Zedboard", "Yes", "No", "ADI (2021b)"

examples/ad4692_DataCapture.m

@@ -0,0 +1,29 @@
+%% Script for capturing and displaying a continuous set of samples from a 
+%% connected AD4692 board
+
+% Instantiate the system object
+rx = adi.AD4692.Rx;
+
+% Specify uri
+rx.uri = 'serial:COM4,230400';
+rx.SamplesPerFrame = 400;  % Using values less than 3660 can yield poor
+
+% performance, generally
+rx.EnabledChannels = [1];
+
+% Set the sampling rate
+rx.SampleRate = 500000;
+
+% 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);