utils.c File Reference

#include "utils/utils.h"
#include "sensors_reading/mpu6050/mpu6050_c.h"
#include "sensors_reading/sensors_reading.h"
#include <esp_err.h>
#include <esp_log.h>
#include <unistd.h>

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Functions
float	calculate_vertical_speed (float current_altitude, float last_altitude, int64_t current_ms, int64_t last_ms)
	Calculate the vertical speed of the rocket in meters per second (m/s).
esp_err_t	format_log_line (char *line_buf, size_t buff_size, int64_t ms, ROCKET_STATUS_T rocket_status, int32_t pressure, float altitude, float vertical_speed, float temperature, mpu6050_acceleration_t acc, mpu6050_rotation_t rot)
	Format the line that will be printed into the SD card file. This file contains all the flight recorded data.

Function Documentation

calculate_vertical_speed()

float calculate_vertical_speed	(	float	current_altitude,
		float	last_altitude,
		int64_t	current_ms,
		int64_t	last_ms )

Calculate the vertical speed of the rocket in meters per second (m/s).

Parameters

current_altitude	last recorded altitude in meters.
last_altitude	previous recorded altitude in meters.
current_ms	current miliseconds since system boot.
last_ms	miliseconds since system boot where the last_altitude was recorded.

Returns

float vertical speed of the rocket in meters per second (m/s).

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format_log_line()

esp_err_t format_log_line	(	char *	line_buf,
		size_t	buff_size,
		int64_t	ms,
		ROCKET_STATUS_T	rocket_status,
		int32_t	pressure,
		float	altitude,
		float	vertical_speed,
		float	temperature,
		mpu6050_acceleration_t	acc,
		mpu6050_rotation_t	rot )

Format the line that will be printed into the SD card file. This file contains all the flight recorded data.

Parameters

line_buf	pointer to the buffer where the line will be written.
buff_size	size of the buffer string in bytes.
ms	milliseconds from system bootup where the data was recorded.
rocket_status	rocket status.
pressure	recorded pressures.
altitude	recorded altitude.
vertical_speed	calculated vertical speed.
temperature	recorded temperature.
acc	recorded acceleration.
rot	recorded rotation speed.

Returns

esp_err_t ESP_OK on success.

< esp_err_t value indicating success (no error)

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