Update landing pages

Promote HardwareSPI, Graphics, UPnP and related libraries (unique and Sming-specific)

README.md

@@ -61,7 +61,10 @@ Please note Version 4 documentation is at [sming.readthedocs.io](https://sming.r
 * Fast and user friendly development.
 * Simple yet powerful hardware API wrappers.
 * Compatible with standard [Arduino Libraries](https://sming.readthedocs.io/en/latest/libraries.html) - use any popular hardware in few lines of code.
-* Built-in file system: [spiffs](https://github.com/pellepl/spiffs).
+* Installable file systems:
+[SPIFFS](https://sming.readthedocs.io/en/latest/_inc/Sming/Libraries/Spiffs/index.html),
+[LittleFS](https://sming.readthedocs.io/en/latest/_inc/Sming/Libraries/LittleFS/index.html) and
+[FWFS](https://sming.readthedocs.io/en/latest/_inc/Sming/Components/IFS/index.html)
 * Built-in powerful wireless modules.
 * Powerful asynchronous (async) network stack.
     * Async TCP and UDP stack based on [LWIP](http://savannah.nongnu.org/projects/lwip/).
@@ -77,7 +80,7 @@ Please note Version 4 documentation is at [sming.readthedocs.io](https://sming.r
     * Based on Espressif NONOS SDK. Officially suppored NON SDK version is >= 3.0.1.
     * Support for a [thin No-Wifi-SDK](https://sming.readthedocs.io/en/latest/_inc/Sming/Arch/Esp8266/Components/esp_no_wifi/index.html). Helpful when a project does not require WiFi (or networking) and reduces code size and memory usage signficantly.
 * Linux/Windows features
-    * Sming has a [host emulator](https://sming.readthedocs.io/en/latest/arch/host/index.html) that allows libraries and sample applications to be compiled on a Linux/Windows host system and be tested before uploading them to an actual microcontroller.
+    * Sming has a [host emulator](https://sming.readthedocs.io/en/latest/arch/host/index.html) that allows libraries and sample applications to be developed and tested on a Linux/Windows host system before uploading them to an actual microcontroller.
 
 ## Compatibility
 

Sming/Arch/Esp32/Components/esp32/README.rst

@@ -51,7 +51,7 @@ Background
 An empty ESP IDF project is built which generates a set of libraries and headers
 which the framework can then be built against.
 
-The project is located in ``project/{SMING_SOC}`.
+The project is located in ``project/{SMING_SOC}``.
 
 The code for this project is copied from ``sdk/project``.
 

docs/source/index.rst

@@ -5,9 +5,8 @@ Welcome to Sming Framework
 
 **Let's do smart things!!!**
 
-Sming is an asynchronous C/C++ framework with superb performance and multiple network features.
-Sming is open source and is tailored towards embedded devices.
-It supports multiple architectures as ESP8266 for example.
+Sming is an asynchronous embedded C/C++ framework with superb performance and multiple network features.
+Sming is open source, modular and supports :doc:`multiple architectures <features>` including ESP8266 and ESP32.
 
 |samples|_
 
@@ -19,31 +18,57 @@ Summary
 -------
 -  Superb performance and memory usage (Sming compiles to native firmware!)
 -  Fast and user friendly development
--  Simple yet powerful hardware API wrappers
--  Compatible with standard :doc:`libraries` - use any popular hardware in few lines of code
--  Multiple file system support: :component:`IFS`, :library:`Spiffs`, :library:`LittleFS`
+-  Integrated :doc:`host emulator <arch/host/index>` to assist with developing, testing and debugging
+   libraries and applications on a PC before uploading them to an actual microcontroller.
+   Try it out online `here <https://www.katacoda.com/slaff/scenarios/sming-host-emulator>`__.
 -  Built-in powerful wireless modules
--  Powerful asynchronous (async) network stack.
+-  Compatible with standard :doc:`libraries` - use popular hardware in few lines of code
+-  Simple yet powerful hardware API wrappers
+
+   -  Standard Arduino-style wrappers for simplicity and flexibility
+   -  :library:`HardwareSPI` library provides advanced asynchronous SPI device master capability
+      including use of ESP8266 'overlapped' mode for reduced pin usage and dual/quad I/O support.
+   -  :library:`Graphics` implements asynchronous display control model with low memory usage,
+      transparency (alpha-blending) and flexible scripted resource management.
+
+-  Modular C++ installable file system interface
+
+   -  Supports popular :library:`SPIFFS <Spiffs>` and :library:`LittleFS <LittleFS>` filing systems
+   -  New :component:`FWFS <IFS>` read-only filesystem can be used as base file system,
+      with read/write filesystems mounted in sub-directories
+   -  Integrated metadata support (file times, security descriptors, user metadata)
+   -  Access to Host (linux / Windows / MacOS) filing system via same API
+   -  Integrated streaming archival system to support backups or file system compaction operations
+
+-  Powerful asynchronous (async) :doc:`network stack </_inc/Sming/Components/Network/index>` including:
+
+   -  Async TCP and UDP stack based on `LWIP <http://savannah.nongnu.org/projects/lwip/>`__.
+   -  With clients supporting: HTTP, MQTT, WebSockets and SMTP.
+   -  And servers for: DNS, FTP, HTTP(+ WebSockets), Telnet.
+   -  With :doc:`SSL support <_inc/Sming/Components/ssl/index>` for all network clients and servers.
+      Based on `axTLS <http://axtls.sourceforge.net/>`__ and `BearSSL <https://www.bearssl.org/>`__.
+   -  Over-The-Air (OTA) firmware upgrades via HTTP(S) and MQTT(S).
+
+-  :library:`UPnP <Universal Plug and Play (UPnP)>`
+   framework supports both standard and custom devices with full ControlPoint support.
+
+   -  Generates C++ code from standard UPnP XML schema.
+   -  Companion :library:`SSDP` library independently supports discovery on local network.
+   -  :library:`GoogleCast` library allows control of ChromeCast devices or smart TVs supporting the GoogleCast protocol.
+   -  :library:`HueEmulator` provides simple way to implement devices compatible with Amazon Alexa.
 
-  -  Async TCP and UDP stack based on `LWIP <http://savannah.nongnu.org/projects/lwip/>`__.
-  -  With clients supporting: HTTP, MQTT, WebSockets and SMTP.
-  -  And servers for: DNS, FTP, HTTP(+ WebSockets), Telnet.
-  -  With :doc:`SSL support <_inc/Sming/Components/ssl/index>` for all network clients and servers.
-     Based on `axTLS <http://axtls.sourceforge.net/>`__ and `BearSSL <https://www.bearssl.org/>`__.
-  -  Over-The-Air(OTA) firmware upgrades via HTTP(S) and MQTT(S).
+-  ESP8266 features
 
--  ESP8266 specific features
+   -  Integrated boot loader :component:`rboot` with support for 1MB ROMs, OTA firmware updating and ROM switching.
+   -  :doc:`Crash handlers <information/debugging>` for analyzing/handling system restarts due to fatal errors or WDT resets.
+   -  :component-esp8266:`PWM support <driver>` based on `Stefan Bruens PWM <https://github.com/StefanBruens/ESP8266_new_pwm.git>`__.
+   -  Optional :component-esp8266:`custom heap allocation <heap>` based on `Umm Malloc <https://github.com/rhempel/umm_malloc.git>`__.
+   -  Based on :component-esp8266:`Espressif NONOS SDK Version 3 <esp8266>`.
 
-  -  Integrated boot loader :component:`rboot` with support for 1MB ROMs, OTA firmware updating and ROM switching.
-  -  :doc:`Crash handlers <information/debugging>` for analyzing/handling system restarts due to fatal errors or WDT resets.
-  -  :component-esp8266:`PWM support <driver>` based on `Stefan Bruens PWM <https://github.com/StefanBruens/ESP8266_new_pwm.git>`__.
-  -  Optional :component-esp8266:`custom heap allocation <heap>` based on `Umm Malloc <https://github.com/rhempel/umm_malloc.git>`__.
-  -  Based on :component-esp8266:`Espressif NONOS SDK <esp8266>`. Tested with versions 1.5, 2.0 and 3.0.
+-  ESP32 features
 
--  Linux/Windows features
+   - Based on :component-esp32:`ESP IDF SDK <esp32>`
 
-  -  Sming has a :doc:`host emulator <arch/host/index>` that allows libraries and sample applications to be compiled on a Linux/Windows host system
-     and be tested before uploading them to an actual microcontroller.
 
 .. toctree::
    :caption: Contents: