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/*
* local_control.c
*
* Created on: Nov 4, 2025
* Author: sowgro
*/
#include <stm32l4xx.h>
#include <stdio.h>
#include <stdint.h>
#include "GPIO.h"
#include "project.h"
void local_control_init() {
GPIO_Init();
NVIC_EnableIRQ(EXTI9_5_IRQn);
}
void local_control_loop() {
}
void EXTI9_5_IRQHandler() {
static int prevStatus = -1;
if (~EXTI->PR1 & EXTI_PR1_PIF9)
return;
EXTI->PR1 |= EXTI_PR1_PIF9;
if (project_get_mode() != LOCAL_MODE)
return;
int status = !!(GPIOA->IDR & GPIO_PIN_9);
if (prevStatus == status)
return;
handle_press(status);
}
uint32_t time_down = 0;
void handle_press(int pressed) {
uint32_t now = systick_get_count();
if (pressed) {
time_down = now;
} else {
printf("now: %i, time_down: %i diff: %i\r\n", now, time_down, now - time_down);
if (now - time_down < 10) {
//ignore
} else if (now - time_down < 10000) {
printf("SHORT PRESS\r\n");
} else {
printf("LONG_PRESS\r\n");
}
time_down = 0;
}
}
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