smartdma_keyscan#
Overview#
The smartdma_keyscan example demonstrates how to use smartdma firmware to handle gpio events.
Supported Boards#
FRDM-MCXA266
Hardware requirements
Type-C USB cable
FRDM-MCXA266 board
Personal Computer
Board settings
Connect PmodKYPD J1 to the FRDM-MCXA266 board PMODE interface (J7).
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
SmartDma Keyscan Example.
Button 1 is pressed
Button 2 is pressed
Button 3 is pressed
Button 4 is pressed
Button 5 is pressed
Button 6 is pressed
Button 7 is pressed
Button 8 is pressed
Button 9 is pressed
Button A is pressed
Button B is pressed
Button C is pressed
Button D is pressed
Button E is pressed
Button F is pressed
Button 0 is pressed
FRDM-MCXA174
Hardware requirements
Type-C USB cable
FRDM-MCXA174 board
Personal Computer
Board settings
Connect PmodKYPD J1 to the FRDM-MCXA174 board PMODE interface (J7). Short JP7.
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
SmartDma Keyscan Example.
Button 1 is pressed
Button 2 is pressed
Button 3 is pressed
Button 4 is pressed
Button 5 is pressed
Button 6 is pressed
Button 7 is pressed
Button 8 is pressed
Button 9 is pressed
Button A is pressed
Button B is pressed
Button C is pressed
Button D is pressed
Button E is pressed
Button F is pressed
Button 0 is pressed
FRDM-MCXA344
Hardware requirements
Type-C USB cable
FRDM-MCXA344 board
Personal Computer
Board settings
Connect PmodKYPD J1 to the FRDM-MCXA344 board PMODE interface (J7). Short JP7.
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
SmartDma Keyscan Example.
Button 1 is pressed
Button 2 is pressed
Button 3 is pressed
Button 4 is pressed
Button 5 is pressed
Button 6 is pressed
Button 7 is pressed
Button 8 is pressed
Button 9 is pressed
Button A is pressed
Button B is pressed
Button C is pressed
Button D is pressed
Button E is pressed
Button F is pressed
Button 0 is pressed
FRDM-MCXA346
Hardware requirements
Type-C USB cable
FRDM-MCXA346 board
Personal Computer
Board settings
Connect PmodKYPD J1 to the FRDM board PMODE interface (J7).
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
SmartDma Keyscan Example.
Button 1 is pressed
Button 2 is pressed
Button 3 is pressed
Button 4 is pressed
Button 5 is pressed
Button 6 is pressed
Button 7 is pressed
Button 8 is pressed
Button 9 is pressed
Button A is pressed
Button B is pressed
Button C is pressed
Button D is pressed
Button E is pressed
Button F is pressed
Button 0 is pressed
FRDM-MCXA366
Hardware requirements
Type-C USB cable
FRDM-MCXA366 board
Personal Computer
Board settings
Connect PmodKYPD J1 to the FRDM-MCXA366 board PMODE interface (J7).
Prepare the Demo
Connect a USB Type-C cable between the host PC and the MCU-Link USB port on the target board.
Open a serial terminal with the following settings:
115200 baud rate
8 data bits
No parity
One stop bit
No flow control
Download the program to the target board.
Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.
Running the demo
The log below shows the output of the hello world demo in the terminal window:
SmartDma Keyscan Example.
Button 1 is pressed
Button 2 is pressed
Button 3 is pressed
Button 4 is pressed
Button 5 is pressed
Button 6 is pressed
Button 7 is pressed
Button 8 is pressed
Button 9 is pressed
Button A is pressed
Button B is pressed
Button C is pressed
Button D is pressed
Button E is pressed
Button F is pressed
Button 0 is pressed