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
Connect a USB cable between the host PC and the OpenSDA 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
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
Connect a USB cable between the host PC and the OpenSDA 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
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
Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board
Connect a USB cable between the host PC and the J901 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.
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
Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board
Connect a USB cable between the host PC and the J901 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.
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
Connect 12V power supply and J-Link Debug Probe to the board, switch SW101 to power on the board
Connect a USB cable between the host PC and the J901 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.
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
Connect 12V power supply and J-Link Debug Probe to the board, switch SW3 to power on the board
Connect a USB cable between the host PC and the J23 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.
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
Connect 12V power supply and J-Link Debug Probe to the board, switch SW701 to power on the board
Connect a USB cable between the host PC and the J1701 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.
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
Connect a USB cable between the host PC and the OpenSDA 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
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:
Select the flash target and compile.
Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
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
Connect a USB cable between the host PC and the OpenSDA 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
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:
Select the flash target and compile.
Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
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
Connect a USB cable between the host PC and the OpenSDA 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
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:
Select the flash target and compile.
Set the SW8: 1 off 2 off 3 on 4 off, then power on the board and connect USB cable to J23.
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
Connect a USB cable between the host PC and the OpenSDA 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
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
Connect a USB cable between the host PC and the OpenSDA 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
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