MCUXpresso SDK Documentation

Version: 26.09.00-pvw2 26.09.00-pvw1 26.06.00-lts 26.03.00 25.12.00 25.09.00 latest

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gpt_capture

Overview

The gpt_capture project is a simple demonstration program of the SDK GPT driver’s input capture feature. The example sets up a GPT channel for rise-edge capture. Once the input signal is received, this example will print the capture value.

Supported Boards

MIMXRT1060-EVKB

Hardware requirements

• Mini/micro USB cable

• MIMXRT1060-EVKB board

• Personal Computer

Board settings

Connect input signal to J16-8.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

MIMXRT1060-EVKC

Hardware requirements

• Mini/micro USB cable

• MIMXRT1060-EVKC board

• Personal Computer

Board settings

Connect input signal to J16-8.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMX8MM

Hardware requirements

• Micro USB cable

• MIMX8MM6-EVK board

• J-Link Debug Probe

• 12V power supply

• Personal Computer

Board settings

Connect input signal to J1001-43 Test Point.

Prepare the Demo

1. Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board

2. Connect a USB cable between the host PC and the J901 USB port on the target board.

3. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

4. Download the program to the target board.

5. Launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMX8MN

Hardware requirements

• Micro USB cable

• MIMX8MN6-EVK board

• J-Link Debug Probe

• 12V power supply

• Personal Computer

Board settings

Connect input signal to J1001-43 Test Point.

Prepare the Demo

1. Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board

2. Connect a USB cable between the host PC and the J901 USB port on the target board.

3. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

4. Download the program to the target board.

5. Launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMX8MNDDR3L

Hardware requirements

• Micro USB cable

• MIMX8MN6-EVK board

• J-Link Debug Probe

• 12V power supply

• Personal Computer

Board settings

Connect input signal to J1001-43 Test Point.

Prepare the Demo

1. Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board

2. Connect a USB cable between the host PC and the J901 USB port on the target board.

3. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

4. Download the program to the target board.

5. Launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMX8MP

Hardware requirements

• Micro USB cable

• EVK-MIMX8M Plus board

• J-Link Debug Probe

• 12V power supply

• Personal Computer

Board settings

Connect input signal to the resistance R191 which is around the codec WM8960.

Prepare the Demo

1. Connect 12V power supply and J-Link Debug Probe to the board, switch SW3 to power on the board

2. Connect a USB cable between the host PC and the J23 USB port on the target board.

3. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

4. Download the program to the target board.

5. Launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMX8MQ

Hardware requirements

• Micro USB cable

• MIMX8MQ6-EVK board

• J-Link Debug Probe

• 12V power supply

• Personal Computer

Board settings

Connect input signal to TP803 Test Point.

Prepare the Demo

1. Connect 12V power supply and J-Link Debug Probe to the board, switch SW701 to power on the board

2. Connect a USB cable between the host PC and the J1701 USB port on the target board.

3. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

4. Download the program to the target board.

5. Launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMXRT1015

Hardware requirements

• Micro USB cable

• EVK-MIMXRT1015 board

• Personal Computer

Board settings

Connect input signal to J18-4 Test Point.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

Note: To debug in qspiflash, following steps are needed:

1. Select the flash target and compile.

2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.

3. Start debugging in IDE.

   • Keil: Click “Download (F8)” to program the image to qspiflash first then clicking “Start/Stop Debug Session (Ctrl+F5)” to start debugging.

EVK-MIMXRT1020

Hardware requirements

• Micro USB cable

• EVK-MIMXRT1020 board

• Personal Computer

Board settings

Connect input signal to J18-2 Test Point.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

Note: To debug in qspiflash, following steps are needed:

1. Select the flash target and compile.

2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.

3. Start debugging in IDE.

   • Keil: Click “Download (F8)” to program the image to qspiflash first then clicking “Start/Stop Debug Session (Ctrl+F5)” to start debugging.

MIMXRT1024-EVK

Hardware requirements

• Micro USB cable

• MIMXRT1024-EVK board

• Personal Computer

Board settings

Connect input signal to J18-2 Test Point.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

Note: To debug in qspiflash, following steps are needed:

1. Select the flash target and compile.

2. Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.

3. Start debugging in IDE.

   • Keil: Click “Download (F8)” to program the image to qspiflash first then clicking “Start/Stop Debug Session (Ctrl+F5)” to start debugging.

MIMXRT1040-EVK

Hardware requirements

• Mini/micro USB cable

• MIMXRT1040-EVK board

• Personal Computer

Board settings

Connect input signal to J16-8.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed

EVK-MIMXRT1064

Hardware requirements

• Mini/micro USB cable

• EVK-MIMXRT1064 board

• Personal Computer

Board settings

Connect input signal to J22-8.

Prepare the Demo

1. Connect a USB cable between the host PC and the OpenSDA USB port on the target board.

2. Open a serial terminal with the following settings:

   • 115200 baud rate

   • 8 data bits

   • No parity

   • One stop bit

   • No flow control

3. Download the program to the target board.

4. Either press the reset button on your board or launch the debugger in your IDE to begin running the demo.

Running the demo

When the example runs successfully, following information can be seen on the terminal:

GPT input capture example
Once the input signal is received the input capture value is printed