implementation for wrapper component to help setup and interface with temp sensor More...

#include <stdbool.h>
#include "ds18b20_wrapper.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_system.h"
#include "esp_log.h"
#include "owb.h"
#include "ds18b20.h"

Include dependency graph for ds18b20_wrapper.c:

Go to the source code of this file.

Macros
#define	GPIO_DS18B20_0 (CONFIG_TEMP_OWB_GPIO)
	the gpio pin to search for sensors on More...

#define	MAX_DEVICES (CONFIG_TEMP_MAX_DEVS)
	maximum number of devices to search for More...

#define	DS18B20_RESOLUTION (DS18B20_RESOLUTION_12_BIT)
	the resolution of the temp sensor More...

Functions
int	ds18b20_wrapped_init (void)
	init the sensor intitialises the onewire bus and finds and intialises ds18b20 sensors along the pin More...

void	ds18b20_wrapped_deinit (void)
	deinit the sensor cleans up and frees all of the devices and the onewire bus More...

void	ds18b20_wrapped_read (void)
	print the temps runs conversion on all the owb devices, waits for the conversion and then prints out the results when it receives them More...

void	ds18b20_wrapped_capture (float *results, int size)
	capture temps to results this function runs conversion on all the owb devices, waits for conversion to finish and then reads the temperatures into the provided results array More...

Variables
OneWireBus *	owb
	onewire bus pointer More...

int	num_devices = 0
	current number of devices found More...

DS18B20_Info *	devices [MAX_DEVICES] = {0}
	list of devices More...

owb_rmt_driver_info	rmt_driver_info
	the rmt driver info for communicating over the owb More...

Detailed Description

implementation for wrapper component to help setup and interface with temp sensor

Definition in file ds18b20_wrapper.c.

Macro Definition Documentation

◆ DS18B20_RESOLUTION

#define DS18B20_RESOLUTION (DS18B20_RESOLUTION_12_BIT)

the resolution of the temp sensor

Definition at line 48 of file ds18b20_wrapper.c.

◆ GPIO_DS18B20_0

#define GPIO_DS18B20_0 (CONFIG_TEMP_OWB_GPIO)

the gpio pin to search for sensors on

Definition at line 46 of file ds18b20_wrapper.c.

◆ MAX_DEVICES

#define MAX_DEVICES (CONFIG_TEMP_MAX_DEVS)

maximum number of devices to search for

Definition at line 47 of file ds18b20_wrapper.c.

Function Documentation

◆ ds18b20_wrapped_capture()

void ds18b20_wrapped_capture	(	float *	results,
		int	size
	)

capture temps to results this function runs conversion on all the owb devices, waits for conversion to finish and then reads the temperatures into the provided results array

Parameters

[in]	results	a pointer to the array to capture results to
[out]	results	the array pointer that has been populated with data
	size	the number of devices found and the size of the results array

Definition at line 248 of file ds18b20_wrapper.c.

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