drv_mb1242.c File Reference

#include <breezystm32.h>
#include <stdbool.h>
#include <stdint.h>
#include "drv_i2c.h"

Include dependency graph for drv_mb1242.c:

Go to the source code of this file.

Macros
#define	MB1242_DEFAULT_ADDRESS   0x70

Enumerations
enum	callack_type_t { START_MEAS_CB, READ_DATA_CB }
enum	sonar_state_t { START_MEAS, READ_DATA }

Functions
static void	cb (uint8_t result)
static void	convert ()
float	mb1242_async_read ()
void	mb1242_async_update ()
bool	mb1242_init ()
bool	mb1242_present ()

Variables
static uint8_t	buf_ [2]
static callack_type_t	callback_type_
static uint8_t	cmd_
static float	distance_
static uint32_t	distance_cm_
static uint32_t	last_update_time_ms_
static bool	new_data_ = false
static uint32_t	next_update_time_ms_
static bool	sensor_present_
static const uint8_t	START_MEASUREMENT_CMD = 0x51
static sonar_state_t	state_

Macro Definition Documentation

#define MB1242_DEFAULT_ADDRESS   0x70

Definition at line 29 of file drv_mb1242.c.

Enumeration Type Documentation

enum callack_type_t

Enumerator
START_MEAS_CB
READ_DATA_CB

Definition at line 47 of file drv_mb1242.c.

enum sonar_state_t

Enumerator
START_MEAS
READ_DATA

Definition at line 41 of file drv_mb1242.c.

Function Documentation

static void cb ( uint8_t  result )

static

Definition at line 105 of file drv_mb1242.c.

void convert ( )

static

Definition at line 125 of file drv_mb1242.c.

float mb1242_async_read

(

)

Definition at line 99 of file drv_mb1242.c.

void mb1242_async_update

(

)

Definition at line 76 of file drv_mb1242.c.

bool mb1242_init

(

)

Definition at line 57 of file drv_mb1242.c.

bool mb1242_present

(

)

Definition at line 69 of file drv_mb1242.c.

Variable Documentation

uint8_t buf_[2]

static

Definition at line 36 of file drv_mb1242.c.

callack_type_t callback_type_

static

Definition at line 52 of file drv_mb1242.c.

uint8_t cmd_

static

Definition at line 40 of file drv_mb1242.c.

float distance_

static

Definition at line 38 of file drv_mb1242.c.

uint32_t distance_cm_

static

Definition at line 37 of file drv_mb1242.c.

uint32_t last_update_time_ms_

static

Definition at line 34 of file drv_mb1242.c.

bool new_data_ = false

static

Definition at line 39 of file drv_mb1242.c.

uint32_t next_update_time_ms_

static

Definition at line 35 of file drv_mb1242.c.

bool sensor_present_

static

Definition at line 33 of file drv_mb1242.c.

const uint8_t START_MEASUREMENT_CMD = 0x51

static

Definition at line 31 of file drv_mb1242.c.

sonar_state_t state_

static

Definition at line 46 of file drv_mb1242.c.