added docs

CONTRIBUTING.md

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+## Contributing guide
+This document serves as a checklist before contributing to this repository. It includes links to additional information if topics are unclear to you.
+
+This guide mainly focuses on the proper use of Git.
+
+### 1. Before opening an issue
+To report a bug/request please enter the issue in the right repository.
+
+Please check the following boxes before posting an issue:
+- [ ] `Make sure you are using the latest commit (major releases are Tagged, but corrections are available as new commits).`
+- [ ] `Make sure your issue is a question/feedback/suggestion RELATED TO the software provided in this repository.` Otherwise, it should be discussed on the [ST Community forum](https://community.st.com/s/).
+- [ ] `Make sure your issue is not already reported/fixed on GitHub or discussed in a previous issue.` Please refer to the tab issue for the list of issues and pull-requests. Do not forget to browse to the **closed** issues.
+
+### 2. Posting the issue
+When you have checked the previous boxes, you will find two templates (Bug Report or Other Issue) available in the **Issues** tab of the repository.
+
+### 3. Pull Requests
+STMicroelectronics is happy to receive contributions from the community, based on an initial Contributor License Agreement (CLA) procedure.
+
+* If you are an individual writing original source code and you are sure **you own the intellectual property**, then you need to sign an Individual CLA (https://cla.st.com).
+* If you work for a company that wants also to allow you to contribute with your work, your company needs to provide a Corporate CLA (https://cla.st.com) mentioning your GitHub account name.
+* If you are not sure that a CLA (Individual or Corporate) has been signed for your GitHub account, you can check here (https://cla.st.com).
+
+Please note that:
+* The Corporate CLA will always take precedence over the Individual CLA.
+* One CLA submission is sufficient for any project proposed by STMicroelectronics.
+
+#### How to proceed
+
+* We recommend to engage first a communication through an issue, in order to present your proposal and just to confirm that it corresponds to a STMicroelectronics domain or scope.
+* Then fork the project to your GitHub account to further develop your contribution. Please use the latest commit version.
+* Please submit one Pull Request for one new feature or proposal. This will facilitate the analysis and the final merge if accepted.
+

LICENSE

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+BSD 3-Clause License
+
+Copyright (c) 2019, STMicroelectronics
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+# 1 - Introduction
+
+Sensor driver for LPS22HH sensor written in C programming language. This repository contains the sensor driver files (.h and .c) to be included, or linked directly as a git submodule, in your project. The driver is MISRA compliant and the documentation can be generated using the [Doxygen](http://www.doxygen.org/) tool.
+
+In order to `clone` the complete content of the repository folder, use the command:
+
+```
+git clone https://github.com/STMicroelectronics/LPS22HH/
+```
+
+Some examples of driver usage can be found [here](https://github.com/STMicroelectronics/STMems_Standard_C_drivers).
+
+------
+
+
+
+# 2 - Integration details
+
+The driver is platform-independent, you only need to define two  functions for read and write transactions from the sensor hardware bus  (ie. SPI or I²C). **A few devices integrate an extra bit in the  communication protocol in order to enable multi read/write access, this  bit must be managed in the read and write functions defined by the user.** Please refer to the read and write implementation in the [reference examples](https://github.com/STMicroelectronics/STMems_Standard_C_drivers/tree/master/LPS22HH_STdC/examples).
+
+
+
+### 2.a Source code integration
+
+- Include in your project the driver files of the sensor (.h and .c) 
+- Define in your code the read and write functions that use the I²C or SPI platform driver like the following:
+
+```
+/** Please note that is MANDATORY: return 0 -> no Error.**/
+int32_t platform_write(void *handle, uint8_t Reg, uint8_t *Bufp, uint16_t len)
+int32_t platform_read(void *handle, uint8_t Reg, uint8_t *Bufp, uint16_t len)
+```
+
+- Declare and initialize the structure of the device interface:
+
+```
+xxxxxxx_ctx_t dev_ctx; /** xxxxxxx is the used part number **/
+dev_ctx.write_reg = platform_write;
+dev_ctx.read_reg = platform_read;
+```
+
+- If needed by the platform read and write functions, initialize the handle parameter:
+
+```
+dev_ctx.handle = &platform_handle;
+```
+
+Some integration examples can be found [here](https://github.com/STMicroelectronics/STMems_Standard_C_drivers/tree/master/LPS22HH_STdC/examples).
+
+### 2.b Required properties
+
+> - A standard C language compiler for the target MCU
+> - A C library for the target MCU and the desired interface (ie. SPI, I²C)
+
+------
+
+**More Information: [http://www.st.com](http://st.com/MEMS)**
+
+**Copyright (C) 2021 STMicroelectronics**

Release_Notes.html

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+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
+<head>
+  <meta charset="utf-8" />
+  <meta name="generator" content="pandoc" />
+  <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes" />
+  <title>Release Notes for LPS22HH Component</title>
+  <style>
+    code{white-space: pre-wrap;}
+    span.smallcaps{font-variant: small-caps;}
+    span.underline{text-decoration: underline;}
+    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
+    ul.task-list{list-style: none;}
+    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
+  </style>
+  <link rel="stylesheet" href="_htmresc/mini-st_2020.css" />
+  <!--[if lt IE 9]>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv-printshiv.min.js"></script>
+  <![endif]-->
+  <link rel="icon" type="image/x-icon" href="_htmresc/favicon.png" />
+</head>
+<body>
+<div class="row">
+<div class="col-sm-12 col-lg-4">
+<center>
+<h1 id="release-notes-for-lps22hh-component-driver">Release Notes for LPS22HH Component Driver</h1>
+<p>Copyright © 2021 STMicroelectronics<br />
+</p>
+<a href="https://www.st.com" class="logo"><img src="_htmresc/st_logo_2020.png" alt="ST logo" /></a>
+</center>
+<h1 id="license">License</h1>
+<p>This software component is licensed by ST under BSD 3-Clause license, the “License”. You may not use this component except in compliance with the License. You may obtain a copy of the License at:</p>
+<p><a href="https://opensource.org/licenses/BSD-3-Clause">BSD 3-Clause license</a></p>
+<h1 id="purpose">Purpose</h1>
+<p>This directory contains the LPS22HH component drivers.</p>
+</div>
+<section id="update-history" class="col-sm-12 col-lg-8">
+<h1>Update history</h1>
+<div class="collapse">
+<input type="checkbox" id="collapse-section1" checked aria-hidden="true"> <label for="collapse-section1" aria-hidden="true">V1.0.0 / 18-June-2021</label>
+<div>
+<h2 id="main-changes">Main changes</h2>
+<h3 id="first-release">First release</h3>
+<ul>
+<li>First official release</li>
+</ul>
+<h2 id="section"></h2>
+</div>
+</div>
+</section>
+</div>
+<footer class="sticky">
+<div class="columns">
+<div class="column" style="width:95%;">
+<p>For complete documentation on LPS22HH, visit: <a href="https://www.st.com/content/st_com/en/products/mems-and-sensors/pressure-sensors/lps22hh.html">LPS22HH</a></p>
+</div><div class="column" style="width:5%;">
+<p><abbr title="Based on template cx566953 version 2.0">Info</abbr></p>
+</div>
+</div>
+</footer>
+</body>
+</html>

Release_Notes.md

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+---
+pagetitle: Release Notes for LPS22HH Component
+lang: en
+header-includes: <link rel="icon" type="image/x-icon" href="_htmresc/favicon.png" />
+---
+
+::: {.row}
+::: {.col-sm-12 .col-lg-4}
+
+<center>
+# Release Notes for LPS22HH Component Driver
+Copyright &copy; 2021 STMicroelectronics\
+
+[![ST logo](_htmresc/st_logo_2020.png)](https://www.st.com){.logo}
+</center>
+
+# License
+
+This software component is licensed by ST under BSD 3-Clause license, the "License".
+You may not use this component except in compliance with the License. You may obtain a copy of the License at:
+
+[BSD 3-Clause license](https://opensource.org/licenses/BSD-3-Clause)
+
+# Purpose
+
+This directory contains the LPS22HH component drivers.
+:::
+
+::: {.col-sm-12 .col-lg-8}
+# Update history
+
+::: {.collapse}
+<input type="checkbox" id="collapse-section1" checked aria-hidden="true">
+<label for="collapse-section1" aria-hidden="true">V1.0.0 / 18-June-2021</label>
+<div>			
+
+## Main changes
+
+### First release
+
+- First official release
+
+##
+
+</div>
+:::
+
+:::
+:::
+
+<footer class="sticky">
+::: {.columns}
+::: {.column width="95%"}
+For complete documentation on LPS22HH,
+visit:
+[LPS22HH](https://www.st.com/content/st_com/en/products/mems-and-sensors/pressure-sensors/lps22hh.html)
+:::
+::: {.column width="5%"}
+<abbr title="Based on template cx566953 version 2.0">Info</abbr>
+:::
+:::
+</footer>