Class-B Safety Test: MOTIF peripheral

This code example demonstrates the usage of Class-B Safety Test Library (SIL) to test the MOTIF peripherals of the MCU. MOTIF test implements quadrature decoder mode and validate functionality by capturing resolution of quadrature clock

This tests aim to validate the reliability and robustness of the MOTIF peripheral, assuring the safety and dependability of the applications built with PSOC™ Control C3 MCUs.

View this README on GitHub.

Provide feedback on this code example.

Requirements

ModusToolbox™ v3.4 or later (tested with v3.4)
Board support package (BSP) minimum required version: v1.3.0
Programming language: C
Associated parts: All PSOC™ Control C3 MCUs

Supported toolchains (make variable 'TOOLCHAIN')

GNU Arm® Embedded Compiler v11.3.1 (GCC_ARM) – Default value of TOOLCHAIN
Arm® Compiler v6.22 (ARM)
IAR C/C++ Compiler v9.50.2 (IAR)

Supported kits (make variable 'TARGET')

PSOC™ Control C3M5 Evaluation Kit (KIT_PSC3M5_EVK) – Default value of TARGET

Hardware setup

This example uses the board's default configuration. See the kit user guide to ensure that the board is configured correctly.

Software setup

See the ModusToolbox™ tools package installation guide for information about installing and configuring the tools package.

Install a terminal emulator if you don't have one. Instructions in this document use Tera Term.

This example requires no additional software or tools.

Using the code example

Create the project

The ModusToolbox™ tools package provides the Project Creator as both a GUI tool and a command line tool.

Use Project Creator GUI

Open the Project Creator GUI tool.

There are several ways to do this, including launching it from the dashboard or from inside the Eclipse IDE. For more details, see the Project Creator user guide (locally available at {ModusToolbox™ install directory}/tools_{version}/project-creator/docs/project-creator.pdf).
On the Choose Board Support Package (BSP) page, select a kit supported by this code example. See Supported kits.

Note: To use this code example for a kit not listed here, you may need to update the source files. If the kit does not have the required resources, the application may not work.
On the Select Application page:

a. Select the Applications(s) Root Path and the Target IDE.

Note: Depending on how you open the Project Creator tool, these fields may be pre-selected for you.

b. Select this code example from the list by enabling its check box.

Note: You can narrow the list of displayed examples by typing in the filter box.

c. (Optional) Change the suggested New Application Name and New BSP Name.

d. Click Create to complete the application creation process.

Use Project Creator CLI

The 'project-creator-cli' tool can be used to create applications from a CLI terminal or from within batch files or shell scripts. This tool is available in the {ModusToolbox™ install directory}/tools_{version}/project-creator/ directory.

Use a CLI terminal to invoke the 'project-creator-cli' tool. On Windows, use the command-line 'modus-shell' program provided in the ModusToolbox™ installation instead of a standard Windows command-line application. This shell provides access to all ModusToolbox™ tools. You can access it by typing "modus-shell" in the search box in the Windows menu. In Linux and macOS, you can use any terminal application.

The following example clones the "MOTIF peripheral test" application with the desired name "MOTIF peripheral test" configured for the KIT_PSC3M5_EVK BSP into the specified working directory, C:/mtb_projects:

project-creator-cli --board-id KIT_PSC3M5_EVK --app-id mtb-example-ce241113-safety-motif-test --user-app-name MOTIF peripherals test --target-dir "C:/mtb_projects"

The 'project-creator-cli' tool has the following arguments:

Argument	Description	Required/optional
`--board-id`	Defined in the field of the BSP manifest	Required
`--app-id`	Defined in the field of the CE manifest	Required
`--target-dir`	Specify the directory in which the application is to be created if you prefer not to use the default current working directory	Optional
`--user-app-name`	Specify the name of the application if you prefer to have a name other than the example's default name	Optional

Note: The project-creator-cli tool uses the git clone and make getlibs commands to fetch the repository and import the required libraries. For details, see the "Project creator tools" section of the ModusToolbox™ tools package user guide (locally available at {ModusToolbox™ install directory}/docs_{version}/mtb_user_guide.pdf).

Open the project

After the project has been created, you can open it in your preferred development environment.

Eclipse IDE

If you opened the Project Creator tool from the included Eclipse IDE, the project will open in Eclipse automatically.

For more details, see the Eclipse IDE for ModusToolbox™ user guide (locally available at {ModusToolbox™ install directory}/docs_{version}/mt_ide_user_guide.pdf).

Visual Studio (VS) Code

Launch VS Code manually, and then open the generated {project-name}.code-workspace file located in the project directory.

For more details, see the Visual Studio Code for ModusToolbox™ user guide (locally available at {ModusToolbox™ install directory}/docs_{version}/mt_vscode_user_guide.pdf).

Command line

If you prefer to use the CLI, open the appropriate terminal, and navigate to the project directory. On Windows, use the command-line 'modus-shell' program; on Linux and macOS, you can use any terminal application. From there, you can run various make commands.

For more details, see the ModusToolbox™ tools package user guide (locally available at {ModusToolbox™ install directory}/docs_{version}/mtb_user_guide.pdf).

Operation

Connect the board to your PC using the provided USB cable through the KitProg3 USB connector.
Open a terminal program and select the KitProg3 COM port. Set the serial port parameters to 8N1 and 115200 baud.
Program the board using one of the following:
Using Eclipse IDE
1. Select the application project in the Project Explorer.
2. In the Quick Panel, scroll down, and click <Application Name> Program (KitProg3_MiniProg4).
In other IDEs

Follow the instructions in your preferred IDE.
Using CLI

From the terminal, execute the make program command to build and program the application using the default toolchain to the default target. The default toolchain is specified in the application's Makefile but you can override this value manually:
```
make program TOOLCHAIN=<toolchain>
```
Example:
```
make program TOOLCHAIN=GCC_ARM
```
After programming, the application starts automatically. Confirm that Class-B: MOTIF SAFETY TEST is displayed on the UART terminal.

Figure 1. Terminal output on program startup
The serial terminal should display the result of MOTIF test.

Debugging

You can debug the example to step through the code.

In Eclipse IDE

Use the <Application Name> Debug (KitProg3_MiniProg4) configuration in the Quick Panel. For details, see the "Program and debug" section in the Eclipse IDE for ModusToolbox™ user guide.

In other IDEs

Follow the instructions in your preferred IDE.

Design and implementation

This example utilizes the MOTIF resources of the PSOC™ Control C3 MCU to conduct testing.

The example begins by initializing the BSP configuration and setting up the retarget-io for debug prints. MOTIF tests are then performed to evaluate MOTIF components.

By executing these tests, the example ensures the proper functioning of the MOTIF peripheral, providing valuable insights into the performance and reliability of the PSOC™ Control C3 MCU. The test results are displayed on the console, facilitating easy evaluation and troubleshooting.

Resources and settings

Table 1. Application resources

Resource	Alias/object	Purpose
SCB->UART (PDL)	CYBSP_DUT_UART	UART resource for loopback test
UART (HAL_NEXT)	DEBUG_UART	UART HAL_NEXT object used by Retarget-IO for the Debug UART port
Smart I/O™ (PDL)	CYBSP_SMARTIO_SPI_LOOPBACK	To internally connect the MISO to MOSI for SPI loopback test

Summary of the test details

1. MOTIF test

MOTIF test implements quadrature decoder mode and validate functionality by capturing resolution of quadrature clock

Related resources

Resources	Links
Application notes	AN238329 – Getting started with PSOC™ Control C3 MCU on ModusToolbox™ software
Code examples	Using ModusToolbox™ on GitHub
Device documentation	PSOC™ Control C3 MCU datasheet PSOC™ Control C3 technical reference manuals
Development kits	Select your kits from the Evaluation board finder.
Libraries on GitHub	mtb-pdl-cat1 – Peripheral Driver Library (PDL) mtb-hal-psc3 – Hardware Abstraction Layer (HAL) library retarget-io – Utility library to retarget STDIO messages to a UART port mtb-stl - Safety Test Library (STL)
Tools	ModusToolbox™ – ModusToolbox™ software is a collection of easy-to-use libraries and tools enabling rapid development with Infineon MCUs for applications ranging from wireless and cloud-connected systems, edge AI/ML, embedded sense and control, to wired USB connectivity using PSoC™ Industrial/IoT MCUs, AIROC™ Wi-Fi and Bluetooth® connectivity devices, XMC™ Industrial MCUs, and EZ-USB™/EZ-PD™ wired connectivity controllers. ModusToolbox™ incorporates a comprehensive set of BSPs, HAL, libraries, configuration tools, and provides support for industry-standard IDEs to fast-track your embedded application development.

Other resources

Infineon provides a wealth of data at www.infineon.com to help you select the right device, and quickly and effectively integrate it into your design.

Document history

Document title: CE241113 – Class-B safety test: MOTIF Peripheral

Version	Description of change
1.0.0	New code example

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