ms5611.c File Reference

#include "ms5611.h"
#include <esp_idf_lib_helpers.h>
#include <esp_log.h>
#include <esp_system.h>
#include <ets_sys.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <stddef.h>

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Macros
#define	I2C_FREQ_HZ   400000
#define	CMD_CONVERT_D1   0x40
#define	CMD_CONVERT_D2   0x50
#define	CMD_ADC_READ   0x00
#define	CMD_RESET   0x1E
#define	PROM_ADDR_SENS   0xa2
#define	PROM_ADDR_OFF   0xa4
#define	PROM_ADDR_TCS   0xa6
#define	PROM_ADDR_TCO   0xa8
#define	PROM_ADDR_T_REF   0xaa
#define	PROM_ADDR_TEMPSENS   0xac
#define	CHECK(x)
#define	CHECK_ARG(VAL)

Functions
static esp_err_t	send_command (ms5611_t *dev, uint8_t cmd)
static uint16_t	shuffle (uint16_t val)
static esp_err_t	read_prom (ms5611_t *dev)
static esp_err_t	read_adc (ms5611_t *dev, uint32_t *result)
static void	wait_conversion (ms5611_t *dev)
static esp_err_t	get_raw_temperature (ms5611_t *dev, uint32_t *result)
static esp_err_t	get_raw_pressure (ms5611_t *dev, uint32_t *result)
static esp_err_t	ms5611_reset (ms5611_t *dev)
esp_err_t	ms5611_init_desc (ms5611_t *dev, uint8_t addr, i2c_port_t port, gpio_num_t sda_gpio, gpio_num_t scl_gpio)
	Initialize device descriptor.
esp_err_t	ms5611_free_desc (ms5611_t *dev)
	Free device descriptor.
esp_err_t	ms5611_init (ms5611_t *dev, ms5611_osr_t osr)
	Init MS5611-01BA03.
esp_err_t	ms5611_get_sensor_data (ms5611_t *dev, int32_t *pressure, float *temperature)
	Measure pressure and temperature.

Variables
static const char *	TAG = "ms5611"

Detailed Description

ESP-IDF driver for barometric pressure sensor MS5611-01BA03

Ported from esp-open-rtos

Copyright (c) 2016 Bernhard Guillon Bernh.nosp@m.ard..nosp@m.Guill.nosp@m.on@b.nosp@m.egu.o.nosp@m.rg
Copyright (c) 2018 Ruslan V. Uss uncle.nosp@m.rus@.nosp@m.gmail.nosp@m..com

BSD Licensed as described in the file LICENSE

Macro Definition Documentation

CHECK

#define CHECK

(

x

)

Value:

  do {                                                                         \
    esp_err_t __;                                                              \
    if ((__ = x) != ESP_OK)                                                    \
      return __;                                                               \
  } while (0)

CHECK_ARG

#define CHECK_ARG

(

VAL

)

Value:

  do {                                                                         \
    if (!(VAL))                                                                \
      return ESP_ERR_INVALID_ARG;                                              \
  } while (0)

CMD_ADC_READ

#define CMD_ADC_READ   0x00

CMD_CONVERT_D1

#define CMD_CONVERT_D1   0x40

CMD_CONVERT_D2

#define CMD_CONVERT_D2   0x50

CMD_RESET

#define CMD_RESET   0x1E

I2C_FREQ_HZ

#define I2C_FREQ_HZ   400000

PROM_ADDR_OFF

#define PROM_ADDR_OFF   0xa4

PROM_ADDR_SENS

#define PROM_ADDR_SENS   0xa2

PROM_ADDR_T_REF

#define PROM_ADDR_T_REF   0xaa

PROM_ADDR_TCO

#define PROM_ADDR_TCO   0xa8

PROM_ADDR_TCS

#define PROM_ADDR_TCS   0xa6

PROM_ADDR_TEMPSENS

#define PROM_ADDR_TEMPSENS   0xac

Function Documentation

get_raw_pressure()

esp_err_t get_raw_pressure ( ms5611_t * dev, uint32_t * result )

inlinestatic

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

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get_raw_temperature()

esp_err_t get_raw_temperature ( ms5611_t * dev, uint32_t * result )

inlinestatic

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

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ms5611_reset()

esp_err_t ms5611_reset ( ms5611_t * dev )

static

< esp_err_t value indicating success (no error)

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read_adc()

esp_err_t read_adc ( ms5611_t * dev, uint32_t * result )

static

< esp_err_t value indicating success (no error)

< Received response was invalid

< esp_err_t value indicating success (no error)

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read_prom()

esp_err_t read_prom ( ms5611_t * dev )

inlinestatic

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

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send_command()

esp_err_t send_command ( ms5611_t * dev, uint8_t cmd )

inlinestatic

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shuffle()

uint16_t shuffle ( uint16_t val )

inlinestatic

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wait_conversion()

void wait_conversion ( ms5611_t * dev )

static

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Variable Documentation

TAG

const char* TAG = "ms5611"

static