accelerometer.h

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#ifndef _ACCELEROMETER_H_
#define _ACCELEROMETER_H_
 
#include "driver/adc.h"
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#define ACC_ADC_WIDTH (adc_bits_width_t)(ADC_WIDTH_BIT_12) // ADC width of 12 Bits 2**12 - 1
#define X_AXIS (adc1_channel_t)(ADC1_CHANNEL_6) //X-axis adc channel 6
#define Y_AXIS (adc1_channel_t)(ADC1_CHANNEL_7) //Y-axis adc channel 7
#define Z_AXIS (adc1_channel_t)(ADC1_CHANNEL_4) //Z-axis adc channel 4
#define ACC_ADC_ATTEN (adc_atten_t)(ADC_ATTEN_DB_11) // ADC attenuation set at 11 for range of 2600mV
 
typedef struct
{
    adc_bits_width_t width;     
    adc1_channel_t xaxis;       
    adc1_channel_t yaxis;       
    adc1_channel_t zaxis;       
    adc_atten_t atten;          
} Accelerometer;
 
void adcInit(Accelerometer *acc);
 
int read_axis(Accelerometer *acc, int id);
 
#endif