MG32L003 Standard Peripherals Firmware Library
GPIO_EXTI_EdgeDebounce example
  ****************** (C) COPYRIGHT 2023 megawin Technology *******************
  * @file    GPIO/GPIO_EXTI_EdgeDebounce/readme.txt 
  * @author  megawin Application Team
  * @version V0.0.5
  * @date    13-August-2024
  * @brief   Description of the GPIO GPIO_EXTI_EdgeDebounce example.
  ******************************************************************************
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, MEGAWIN SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
  * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM
  * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  ******************************************************************************
Example Description

This example describes how to toggle the GPIO output using EXTI's edge-triggered and debounce.

In this example, Main clock is configured at 24MHz.

Directory contents
  • GPIO/GPIO_EXTI_EdgeDebounce/GPIO_EXTI_EdgeDebounce.uvprojx MDK5 project file
  • GPIO/GPIO_EXTI_EdgeDebounce/GPIO_EXTI_EdgeDebounce.uvoptx MDK5 project options file
  • GPIO/GPIO_EXTI_EdgeDebounce/JLinkSettings.ini Jlink settings file
  • GPIO/GPIO_EXTI_EdgeDebounce/main.c Main program
Hardware and Software environment
  • Hardware environment
    • The chip pins are connected as follows:
      • PD4 pin is connected to LED1
      • PA3 pin is connected to KEY1
How to use it ?

In order to make the program work, you must do the following :

  • Open GPIO_EXTI_EdgeDebounce.uvprojx from this example folder by Keil MDK5
  • Rebuild all files and load your image into target memory
  • Run the example

    © COPYRIGHT 2023 megawin Technology