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Juan Benavides

Updated Micrium OS Examples: 57 Hidden Gems You May Not Know About on Blog

Background

The Micrium OS Examples in Simplicity Studio are very easy to access: You connect your Starter Kit and Simplicity Studio will display the list of examples as shown below:

**Figure 1.** Micrium OS Examples in Simplicity Studio

For more information on how to access the Micrium OS Examples from Simplicity Studio you can see this document:

https://www.silabs.com/documents/public/training/wireless/micrium-os-examples.pdf

Revealing the 57 Hidden Gems

In this blog, I’m going to show you how to access the additional Micrium OS Examples that are not available from Simplicity Studio's Launcher Perspective.

There are 57 examples that demonstrate how to initialize the Micrium OS modules to perform the most basic operations:

Micrium OS Module		Example
CANopen		CANopen Module Initialization Example
		CANopen Node Start Example
		CANopen Object Dictionary Read/Write Example
File System		File System Module Initialization Example
		File Read/Write Example
		File Read/Write with Posix API Example
		File Multi-Descriptors Example
		Entry Path Example
		Block Device Read/Write Example
		Media Polling Example
Network	FTP Client	Send Data from a buffer to a file on an FTP Server
		Upload a file to an FTP Server
		Receive a file into a buffer
		Download a file from an FTP server
	HTTP Client	HTTP Client Initialization Example
		HTTP Client GET Request Examples
		HTTP Client POST Request Examples
		HTTP Client PUT Request Examples
		HTTP Client Persistent Connection Examples
		HTTP Client Multi-connection Examples
	HTTP Server	HTTP Server Initialization Example
		Simple Server That Uses No File System
		Basic Server That Uses the HTTP Static File System
		Basic Server That Uses Micrium OS File System
		Server That Handles REST Requests
		Server That Handles Webpages, REST Requests and Authentication Support
		Basic Secure Server That Uses SSL-TLS and the HTTP Static File System
	IPerf	IPerf Initialization Example
	MQTT Client	MQTT Client Initialization Example
		MQTT Client Connect Example
		MQTT Client Publish Example
		MQTT Client Subscribe Example
		MQTT Client Echo Example
	Network Core	Network Module(s) Initialization Example
		Network Core Initialization Example
		Start Network Interface(s) Example
	SMTP Client	SMTP Client Initialization Example
	SMTP Client	SMTP Client Send Email Example
	SNTP Client	SNTP Client Initialization Example
	SNTP Client	Basic SNTP Current Time Retrieve
	Telnet Server	Telnet Server Initialization Example
	Telnet Server	Telnet Server Instance Example
	TFTP Client	Download and Upload a File to a TFTP Server
USB Device	Audio Class	USB Device Audio Class Loopback Example
	CDC ACM Class	USB Device CDC ACM Class Terminal Example
	CDC EEM Class	USB Device CDC EEM Class Example
	USB Device Core	USB Device Core Initialization Example
	HID Class	USB Device HID Class Mouse Example
	MSC Class	USB Device MSC Class Ramdisk LUN Example
	MSC Class	USB Device MSC Class Ramdisk Shared Example
	Vendor Class	USB Device Vendor Class Loopback Example
USB Host	Android Accessory Class	USB Host Android Accessory Class Example
	CDC ACM Class	USB Host CDC ACM Class Example
	USB Host Core	USB Host Module Simple Initialization Example
	USB Host Core	Simple Device Port Operation Example
	MSC Class	USB Host MSC Class Example
	USB-to-Serial Class	USB Host USB-to-Serial Class Example
Table 1. The Hidden Micrium OS Examples

How to run the hidden Micrium OS Examples

The process of including, configuring and initializing the examples is the same for all the examples and can be summarized as follows:

Start off with one of the examples available through Simplicity Studio by connecting your Kit and selecting an Example from the list as illustrated in Figure 1.

If the example project does not have the Micrium OS module files, then you need to include them by inserting in your project the folder located at ${StudioSdkPath}/platform/micrium_os/[module]/include and ${StudioSdkPath}/platform/micrium_os/[module]/source/[module] and configuring your compiler's include paths with the new paths.

Locate the header file rtos_description.h and insert the macro necessary to enable the module. For the full list of macros see this document.

Make sure you have in your project all the configuration files located in STUDIO_SDK_LOC\platform\micrium_os\cfg

Explore the examples listed in Table 1, select the one that you want and follow the corresponding hyperlink.

The hyperlink will take you to the example's documentation which provides four things:

Description: Brief description of the example
Configuration: The name of the #define that needs to be defined in ex_description.h
Location: The location of the files that need to be included
API: The API that needs to be called from your application to start the example

Locate the header file ex_description.h and define the corresponding macro if necessary as described in the example's documentation section: Configuration.

Include in your Simplicity Studio project the required files as listed in the example's documentation section: Location. In this step you can either create a link to the original folder or make a copy of the files and place them in your own workspace directory.

Configure your compiler's include paths with the new paths where the header files are located.

Insert a #include in your application, of the header file where the API to start the example is declared and call the API from your application to get the example started as described in the example's documentation section: API.

Example

To illustrate the process, I'm going to provide an example where one is interested in running an HTTP server:

Connect the SLSTK3701A and select the example SLSTK3701A_micriumos_net from Simplicity Studio.

Inspect which modules are included in the project by looking at the folder net in the Project Explorer. There you will notice that the module HTTP Server is missing.

Include the HTTP Server module by creating a new Linked Folder located at STUDIO_SDK_LOC\platform\micrium_os\net\source\http\server

Open the new folder Properties and either include or exclude the folder from compilation as necessary from the section C/C++ Build.

Open the Project Properties and insert the location to the new header files ${StudioSdkPath}/app/micrium_os_example/net/http/server in the section C/C++ General -> Paths and Symbols

Locate and open the header file rtos_description.h and insert the following line to enable the new HTTP Server Module: #define RTOS_MODULE_NET_HTTP_SERVER_AVAIL

Copy the configuration files from STUDIO_SDK_LOC\platform\micrium_os\cfg to your own workspace directory and make sure the compiler is aware of this include path.

Look at Table 1, locate the Example Basic Server That Uses the HTTP Static File System and explore the documentation.

Open the header file ex_description.h and insert the following line to enable the example: #define EX_HTTP_SERVER_INIT_AVAIL

Create a new Folder named Examples and then create a Linked Folder in it that points to STUDIO_SDK_LOC\app\micrium_os_example\net\http\server

Open the Project Properties and insert the path ${StudioSdkPath}/app/micrium_os_example/net in the section C/C++ General -> Paths and Symbols

Open the file ex_main.c and insert the following line at the top: #include "http/server/ex_http_server.h"

From the same file ex_main.c, locate the calls to the functions Ex_NetworkInit() and Ex_Net_CoreStartIF() and insert right after them, a call the following API to get the example started: Ex_HTTP_Server_InstanceCreateStaticFS();

11 days ago

Juan Benavides

Updated Micrium OS Examples: 57 Hidden Gems You May Not Know About on Blog

Background

The Micrium OS Examples in Simplicity Studio are very easy to access: You connect your Starter Kit and Simplicity Studio will display the list of examples as shown below:

For more information on how to access the Micrium OS Examples from Simplicity Studio you can see this document:

https://www.silabs.com/documents/public/training/wireless/micrium-os-examples.pdf

Revealing the 57 Hidden Gems

In this blog, I’m going to show you how to access the additional Micrium OS Examples that are not available from Simplicity Studio's Launcher Perspective.

There are 57 examples that demonstrate how to initialize the Micrium OS modules to perform the most basic operations:

Micrium OS Module		Example
CANopen		CANopen Module Initialization Example
		CANopen Node Start Example
		CANopen Object Dictionary Read/Write Example
File System		File System Module Initialization Example
		File Read/Write Example
		File Read/Write with Posix API Example
		File Multi-Descriptors Example
		Entry Path Example
		Block Device Read/Write Example
		Media Polling Example
Network	FTP Client	Send Data from a buffer to a file on an FTP Server
		Upload a file to an FTP Server
		Receive a file into a buffer
		Download a file from an FTP server
	HTTP Client	HTTP Client Initialization Example
		HTTP Client GET Request Examples
		HTTP Client POST Request Examples
		HTTP Client PUT Request Examples
		HTTP Client Persistent Connection Examples
		HTTP Client Multi-connection Examples
	HTTP Server	HTTP Server Initialization Example
		Simple Server That Uses No File System
		Basic Server That Uses the HTTP Static File System
		Basic Server That Uses Micrium OS File System
		Server That Handles REST Requests
		Server That Handles Webpages, REST Requests and Authentication Support
		Basic Secure Server That Uses SSL-TLS and the HTTP Static File System
	IPerf	IPerf Initialization Example
	MQTT Client	MQTT Client Initialization Example
		MQTT Client Connect Example
		MQTT Client Publish Example
		MQTT Client Subscribe Example
		MQTT Client Echo Example
	Network Core	Network Module(s) Initialization Example
		Network Core Initialization Example
		Start Network Interface(s) Example
	SMTP Client	SMTP Client Initialization Example
	SMTP Client	SMTP Client Send Email Example
	SNTP Client	SNTP Client Initialization Example
	SNTP Client	Basic SNTP Current Time Retrieve
	Telnet Server	Telnet Server Initialization Example
	Telnet Server	Telnet Server Instance Example
	TFTP Client	Download and Upload a File to a TFTP Server
USB Device	Audio Class	USB Device Audio Class Loopback Example
	CDC ACM Class	USB Device CDC ACM Class Terminal Example
	CDC EEM Class	USB Device CDC EEM Class Example
	USB Device Core	USB Device Core Initialization Example
	HID Class	USB Device HID Class Mouse Example
	MSC Class	USB Device MSC Class Ramdisk LUN Example
	MSC Class	USB Device MSC Class Ramdisk Shared Example
	Vendor Class	USB Device Vendor Class Loopback Example
USB Host	Android Accessory Class	USB Host Android Accessory Class Example
	CDC ACM Class	USB Host CDC ACM Class Example
	USB Host Core	USB Host Module Simple Initialization Example
	USB Host Core	Simple Device Port Operation Example
	MSC Class	USB Host MSC Class Example
	USB-to-Serial Class	USB Host USB-to-Serial Class Example
Table 1. The Hidden Micrium OS Examples

How to run the hidden Micrium OS Examples

The process of including, configuring and initializing the examples is the same for all the examples and can be summarized as follows:

Start off with one of the examples available through Simplicity Studio by connecting your Kit and selecting an Example from the list as illustrated in Figure 1.

Locate the header file rtos_description.h and insert the macro necessary to enable the module. For the full list of macros see this document.

Make sure you have in your project all the configuration files located in STUDIO_SDK_LOC\platform\micrium_os\cfg

Explore the examples listed in Table 1, select the one that you want and follow the corresponding hyperlink.

The hyperlink will take you to the example's documentation which provides four things:

Description: Brief description of the example
Configuration: The name of the #define that needs to be defined in ex_description.h
Location: The location of the files that need to be included
API: The API that needs to be called from your application to start the example