#include "ble/ble_c.h"
#include "esp_bt.h"
#include "esp_bt_main.h"
#include "esp_gap_ble_api.h"
#include "esp_gatt_common_api.h"
#include "esp_gattc_api.h"
#include "esp_gatts_api.h"
#include "esp_log.h"
#include "nvs_flash.h"
#include <string.h>

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Functions
esp_err_t	ble_init (void)
	Initializes BLE application with all the needed drivers and components.
void	ble_gatts_event_handler (esp_gatts_cb_event_t event, esp_gatt_if_t gatts_if, esp_ble_gatts_cb_param_t *param)
	Callback function for GATT services.
void	create_and_add_service (void)
	Create a and add service object.
void	add_characteristic (int identifier)
void	crete_characteristics (void)
	Create the characteristic.
esp_err_t	update_rocket_status (int value)
	Notify rocket status over BLE.
esp_err_t	update_rocket_altitude (float value)
	Notify altitude over BLE.
esp_err_t	update_rocket_speed (float value)
	Notify speed over BLE.
esp_err_t	update_rocket_pressure (int32_t value)
	Notify pressure over BLE.
esp_err_t	update_rocket_temperature (float value)
	Notify temperature over BLE.
esp_err_t	update_rocket_acc_x (float value)
	Notify new X-axis linear acceleration.
esp_err_t	update_rocket_acc_y (float value)
	Notify new Y-axis linear acceleration.
esp_err_t	update_rocket_acc_z (float value)
	Notify new Z-axis linear acceleration.
esp_err_t	update_rocket_rot_x (float value)
	Notify new X-axis angular acceleration.
esp_err_t	update_rocket_rot_y (float value)
	Notify new Y-axis angular acceleration.
esp_err_t	update_rocket_rot_z (float value)
	Notify new Z-axis angular acceleration.
esp_err_t	ble_notify_float (float value, uint16_t char_handler)
	Notify a float value.
esp_err_t	ble_notify_uint8 (uint8_t value, uint16_t char_handler)
	Notify a uint8_t value.

Variables
static uint16_t	char_handle_rocket_status = 0
static uint16_t	char_handle_rocket_altitude = 0
static uint16_t	char_handle_rocket_speed = 0
static uint16_t	char_handle_rocket_pressure = 0
static uint16_t	char_handle_rocket_temperature = 0
static uint16_t	char_handle_rocket_acc_x = 0
static uint16_t	char_handle_rocket_acc_y = 0
static uint16_t	char_handle_rocket_acc_z = 0
static uint16_t	char_handle_rocket_rot_x = 0
static uint16_t	char_handle_rocket_rot_y = 0
static uint16_t	char_handle_rocket_rot_z = 0
static int	registered_char_count = 0
static uint16_t	service_handle = 0
static esp_gatt_if_t	gatts_if_global = 0
static uint16_t	conn_id = 0
static bool	is_connected = false
static uint16_t	cccd_handle = 0

Function Documentation

◆ add_characteristic()

void add_characteristic ( int identifier )

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◆ ble_gatts_event_handler()

void ble_gatts_event_handler	(	esp_gatts_cb_event_t	event,
		esp_gatt_if_t	gatts_if,
		esp_ble_gatts_cb_param_t *	param )

Callback function for GATT services.

Parameters

event
gatts_if
param

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◆ ble_init()

esp_err_t ble_init ( void )

Initializes BLE application with all the needed drivers and components.

Returns: esp_err_t ESP_OK if success.

< Starting number of error codes

< NVS partition doesn't contain any empty pages. This may happen if NVS partition was truncated. Erase the whole partition and call nvs_flash_init again.

< Starting number of error codes

< NVS partition contains data in new format and cannot be recognized by this version of code

< esp_err_t value indicating success (no error)

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◆ ble_notify_float()

esp_err_t ble_notify_float	(	float	value,
		uint16_t	char_handler )

Notify a float value.

Parameters

value
char_handler

Returns: esp_err_t

< Generic esp_err_t code indicating failure

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◆ ble_notify_uint8()

esp_err_t ble_notify_uint8	(	uint8_t	value,
		uint16_t	char_handler )

Notify a uint8_t value.

Parameters

value
char_handler

Returns: esp_err_t

< Generic esp_err_t code indicating failure

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◆ create_and_add_service()

void create_and_add_service ( void )

Create a and add service object.

< esp_err_t value indicating success (no error)

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◆ crete_characteristics()

void crete_characteristics ( void )

Create the characteristic.

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◆ update_rocket_acc_x()

esp_err_t update_rocket_acc_x ( float value )

Notify new X-axis linear acceleration.

Parameters

value new X-axis linear acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_acc_y()

esp_err_t update_rocket_acc_y ( float value )

Notify new Y-axis linear acceleration.

Parameters

value new Y-axis linear acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_acc_z()

esp_err_t update_rocket_acc_z ( float value )

Notify new Z-axis linear acceleration.

Parameters

value new Z-axis linear acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_altitude()

esp_err_t update_rocket_altitude ( float value )

Notify altitude over BLE.

Parameters

value new altitude value.

Returns: esp_err_t

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◆ update_rocket_pressure()

esp_err_t update_rocket_pressure ( int32_t value )

Notify pressure over BLE.

Parameters

value new pressure value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_rot_x()

esp_err_t update_rocket_rot_x ( float value )

Notify new X-axis angular acceleration.

Parameters

value new X-axis angular acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_rot_y()

esp_err_t update_rocket_rot_y ( float value )

Notify new Y-axis angular acceleration.

Parameters

value new Y-axis angular acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_rot_z()

esp_err_t update_rocket_rot_z ( float value )

Notify new Z-axis angular acceleration.

Parameters

value new Z-axis angular acceleration value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_speed()

esp_err_t update_rocket_speed ( float value )

Notify speed over BLE.

Parameters

value new rocket speed value.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_status()

esp_err_t update_rocket_status ( int value )

Notify rocket status over BLE.

Parameters

value new rocket status.

Returns: esp_err_t ESP_OK if success.

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◆ update_rocket_temperature()

esp_err_t update_rocket_temperature ( float value )

Notify temperature over BLE.

Parameters

value new temperature value.

Returns: esp_err_t ESP_OK if success.

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Variable Documentation

◆ cccd_handle

uint16_t cccd_handle = 0

static

◆ char_handle_rocket_acc_x

uint16_t char_handle_rocket_acc_x = 0

static

◆ char_handle_rocket_acc_y

uint16_t char_handle_rocket_acc_y = 0

static

◆ char_handle_rocket_acc_z

uint16_t char_handle_rocket_acc_z = 0

static

◆ char_handle_rocket_altitude

uint16_t char_handle_rocket_altitude = 0

static

◆ char_handle_rocket_pressure

uint16_t char_handle_rocket_pressure = 0

static

◆ char_handle_rocket_rot_x

uint16_t char_handle_rocket_rot_x = 0

static

◆ char_handle_rocket_rot_y

uint16_t char_handle_rocket_rot_y = 0

static

◆ char_handle_rocket_rot_z

uint16_t char_handle_rocket_rot_z = 0

static

◆ char_handle_rocket_speed

uint16_t char_handle_rocket_speed = 0

static

◆ char_handle_rocket_status

uint16_t char_handle_rocket_status = 0

static

◆ char_handle_rocket_temperature

uint16_t char_handle_rocket_temperature = 0

static

◆ conn_id

uint16_t conn_id = 0

static

◆ gatts_if_global

esp_gatt_if_t gatts_if_global = 0

static

◆ is_connected

bool is_connected = false

static

◆ registered_char_count

int registered_char_count = 0

static

◆ service_handle

uint16_t service_handle = 0

static

Functions

Variables

Function Documentation

◆ add_characteristic()

◆ ble_gatts_event_handler()

◆ ble_init()

◆ ble_notify_float()

◆ ble_notify_uint8()

◆ create_and_add_service()

◆ crete_characteristics()

◆ update_rocket_acc_x()

◆ update_rocket_acc_y()

◆ update_rocket_acc_z()

◆ update_rocket_altitude()

◆ update_rocket_pressure()

◆ update_rocket_rot_x()

◆ update_rocket_rot_y()

◆ update_rocket_rot_z()

◆ update_rocket_speed()

◆ update_rocket_status()

◆ update_rocket_temperature()

Variable Documentation

◆ cccd_handle

◆ char_handle_rocket_acc_x

◆ char_handle_rocket_acc_y

◆ char_handle_rocket_acc_z

◆ char_handle_rocket_altitude

◆ char_handle_rocket_pressure

◆ char_handle_rocket_rot_x

◆ char_handle_rocket_rot_y

◆ char_handle_rocket_rot_z

◆ char_handle_rocket_speed

◆ char_handle_rocket_status

◆ char_handle_rocket_temperature

◆ conn_id

◆ gatts_if_global

◆ is_connected

◆ registered_char_count

◆ service_handle