AM273x MCU+ SDK  08.04.00
GPIO Input Interrupt

Introduction

This example configures a GPIO pin in input mode and configures it to generate interrupt on rising edge. The application waits for 5 key presses, prints the number of times the keys are pressed and exits.

Supported Combinations

Parameter Value
CPU + OS r5fss0-0 nortos
c66ss0 nortos
Toolchain ti-arm-clang, ti-c6000
Boards am273x-evm
Example folder examples/drivers/gpio/gpio_input_interrupt/

Steps to Run the Example

AM273X-EVM

  • Press and release SW2 button on the EVM to generate the trigger GPIO interrupt. This button is connected to MSS_GPIO_28.

See Also

GPIO

Sample Output

Shown below is a sample output when the application is run,

GPIO Input Interrupt Test Started ...
GPIO Interrupt Configured for Rising Edge (Button release will trigger interrupt) ...
Press and release SW5 button on EVM to trigger GPIO interrupt ...
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 0 times
Key is pressed 1 times
Key is pressed 2 times
Key is pressed 5 times
GPIO Input Interrupt Test Passed!!
All tests have passed!!