projects: CN0531: Added readme doc

Signed-off-by: Joyce Velasco <[email protected]>

Author: jvelasc2

doc/sphinx/source/projects/eval/cn0531.rst

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+.. include:: ../../../../../projects/cn0531/README.rst

projects/cn0531/README.rst

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+CN0531 no-OS Example Project
+============================
+
+.. contents::
+    :depth: 3
+
+Supported Evaluation Boards
+---------------------------
+
+- :adi:`EVAL-CN0531-PMDZ`
+- :adi:`EVAL-ADICUP3029`
+
+Overview
+---------
+
+The EVAL-CN0531-PMDZ is a precision DAC module designed for applications
+such as medical instrumentation, test and measurement equipment,
+industrial control, and scientific research. It features a 20-bit DAC
+with minimal 1ppm accuracy and ±1 LSB Integral Non-Linearity (INL). It
+provides flexibility with support for multiple voltage references and
+power options, allowing use of onboard or external power supplies and
+voltage references. The module’s compatibility with the SPI Pmod
+interface enables versatile and precise analog output applications.
+
+Applications
+-------------
+
+- Instrumentation and measurement equipment
+- DC Sources and Power Supply Solutions
+- Analytical Instrument Solutions
+
+Hardware Specifications
+-----------------------
+
+Power Supply Requirements
+~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The EVAL-CN0531-PMDZ module requires a power supply that can be
+configured to use either onboard power converters or external power
+sources. The onboard converters can generate the necessary voltage
+levels from a single external input, which is usually supplied by a
+connected development platform. Alternatively, users can choose to
+supply power directly through external connections, which can be
+beneficial for integration into systems with existing power
+infrastructure. The module’s voltage range spans from -5V to +5V,
+allowing it to be flexible for use in various high-precision
+applications like scientific instrumentation and industrial control. The
+high power supply rejection ratio and low operating drift provided by
+the onboard voltage regulators enhance its stability and precision.
+
+No-OS Build Setup
+-----------------
+
+Please see: `https://wiki.analog.com/resources/no-os/build`
+
+No-OS Supported Examples
+-------------------------
+
+The initialization data used in the example is taken out from the
+`Project Data Source Path: <https://github.com/analogdevicesinc/no-OS/tree/main/projects/cn0531/src>`__
+
+IIO example
+~~~~~~~~~~~
+
+The IIO example code for the AD5791 DAC initializes SPI and UART
+interfaces, configuring essential peripherals for operation. It sets
+parameters like SPI mode, chip select, and speed, and establishes UART
+communication with specified baud rate and device ID. The AD5791 DAC is
+controlled via SPI and interfaced using IIO descriptors to integrate
+within the application. The main function manages the setup and
+execution of the IIO application, utilizing IIO buffers for data
+transfers, enabling efficient data operations with the DAC within a data
+acquisition system.
+
+This project is an IIOD demo for EVAL-CN0531-PMDZ board. The project
+launches a IIOD server on the board so that the user may connect to it
+via an IIO client. Using IIO Oscilloscope, the user can configure the
+ADC and view the measured data on a plot.
+
+If you are not familiar with ADI IIO Application, please take a look at:
+`IIO No-OS <https://wiki.analog.com/resources/tools-software/no-os-software/iio>`__
+
+If you are not familiar with ADI IIO Oscilloscope Client, please take a
+look at: 
+`IIO Oscilloscope <https://wiki.analog.com/resources/tools-software/linux-software/iio_oscilloscope>`__
+
+The No-OS IIO Application together with the AD5791 no-OS drivers take
+care of all the back-end logic needed to setup the IIO server.
+
+In order to build the IIO project, make sure you have the following
+configuration in the 
+
+`Makefile: <https://github.com/analogdevicesinc/no-OS/blob/main/projects/cn0531/Makefile>`__
+
+.. code-block:: bash
+
+   IIOD=y
+
+No-OS Supported Platform
+-------------------------
+
+ADuCM Platform
+~~~~~~~~~~~~~~~
+
+Hardware Used
+^^^^^^^^^^^^^
+
+- :adi:`EVAL-CN0531-PMDZ`
+- :adi:`EVAL-ADICUP3029`
+
+Connections
+^^^^^^^^^^^
+
++-----------+-------------------+-----------------------------+
+| **Pin     | **EVAL-CN0531-    | **EVAL-ADICUP3029           |
+| No.**     | PMDZ Connector**  | PMOD Header**               |
++-----------+-------------------+-----------------------------+
+| 8-1       | VCC (3.3V Power   | +3.3V                       |
+|           | Supply)           |                             |
++-----------+-------------------+-----------------------------+
+| 8-2       | GND (Ground)      | DGND                        |
++-----------+-------------------+-----------------------------+
+| 8-3       | UART_TX (Data     | UART0_RX / GPIO11           |
+|           | from CN0531 to    |                             |
+|           | ADICUP)           |                             |
++-----------+-------------------+-----------------------------+
+| 8-4       | UART_RX (Data     | UART0_TX / GPIO10           |
+|           | from ADICUP to    |                             |
+|           | CN0531)           |                             |
++-----------+-------------------+-----------------------------+
+|           |                   | USB Type A connector        |
+|           |                   | (Used for power             |
+|           |                   | and programming)            |
++-----------+-------------------+-----------------------------+
+|           |                   | Micro USB connector         |
+|           |                   | (Connects to debugger       |
+|           |                   | and UART)                   |
++-----------+-------------------+-----------------------------+
+
+Build Command
+^^^^^^^^^^^^^
+
+.. code-block:: bash
+
+   # to delete current build
+   make reset
+   # to build the project
+   make PLATFORM=aducm3029
+   # to flash the code
+   make run
+   # to debug the code
+   make debug