pressure_sensor.h

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#ifndef _PRESSURE_SENSOR_H_
#define _PRESSURE_SENSOR_H_
 
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/adc.h"
 
#define PRESSURE_SENSOR_ADC_WIDTH (adc_bits_width_t)(ADC_WIDTH_BIT_12) // ADC width of 12 Bits 2**12 - 1
#define PRESSURE_SENSOR_CH ADC1_CHANNEL_5 // pressure sensor channel
#define PRESSURE_SENSOR_ADC_ATTEN (adc_atten_t)(ADC_ATTEN_DB_11)  // ADC attenuation set at 11 for range of 2600mV
#define PRESSURE_SENSOR_THRESHOLD 2500 //pressure sensor threshold 
 
typedef struct {
    adc_bits_width_t width; 
    adc1_channel_t channel; 
    adc_atten_t atten; 
}PressureSensor;
 
void pressureSensorInit(PressureSensor *ps);
 
int read_pressure_sensor(PressureSensor *ps);
#endif