Resolved! Nucleo-U545 user button falling EXTI response time very slow
I'm using Nucleo-U545 for my project and set the external interrupt for user button as follow.void HAL_GPIO_EXTI_Rising_Callback(uint16_t GPIO_Pin){if(GPIO_Pin == USER_BUTTON_Pin) { HAL_GPIO_TogglePin(LED_GREEN_GPIO_Port, LED_GREEN_Pin); printf("*b...