/*
 * flowSensor.h
 *
 *  Created on: 1 Mar 2023
 *      Author: simen
 */

#ifndef INC_FLOWSENSOR_H_
#define INC_FLOWSENSOR_H_

#include "stm32f7xx_hal.h"
#include "iDriver.h"
#include "main.h"
#include <stdio.h>
// Define the GPIO pin for the flow sensor signal
//#define FLOW_SENSOR_GPIO_PORT GPIOB
//#define FLOW_SENSOR_GPIO_PIN FLOW_SENSOR_PIN
#define K_FACTOR 6646 //6646 ticks per liter
#define ticsinaminute 60000
class FlowSensorDrv : public IDriver {
public:
    FlowSensorDrv();

    void send(const char* raw_data);

    char* decodeAndProcess(char* data){
    	float literpermin=flow_rate*(runtime/ticsinaminute);
    	snprintf(data,32,"%f",literpermin);
    	return (data);
    }
   // Enable the interrupt for the flow sensor
   void EnableInterrupt();

   // Disable the interrupt for the flow sensor
   void DisableInterrupt();

   // Update the pulse count and flow rate based on the current state of the input pin
   void Update();

   void setRuntime(uint32_t new_runtime);

   static void InterruptHandler();



private:
    // Define a variable to store the pulse count
    static volatile uint32_t pulse_count;

    static volatile float flow_rate;
    uint32_t runtime=10000; //how long we measure for to find current flowrate
    void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin);


    void reset();

};




#endif /* INC_FLOWSENSOR_H_ */