hx711.c File Reference

#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <esp_timer.h>
#include <ets_sys.h>
#include <esp_idf_lib_helpers.h>
#include "hx711.h"

Include dependency graph for hx711.c:

Macros
#define	CHECK(x)
#define	CHECK_ARG(VAL)

Functions
esp_err_t	hx711_init (hx711_t *dev)
	Initialize device.
esp_err_t	hx711_power_down (hx711_t *dev, bool down)
	Set device power up/down.
esp_err_t	hx711_set_gain (hx711_t *dev, hx711_gain_t gain)
	Set device gain and channel.
esp_err_t	hx711_is_ready (hx711_t *dev, bool *ready)
	Check if device ready to send data.
esp_err_t	hx711_wait (hx711_t *dev, size_t timeout_ms)
	Wait for device to become ready.
esp_err_t	hx711_read_data (hx711_t *dev, int32_t *data)
	Read raw data from device.
esp_err_t	hx711_read_average (hx711_t *dev, size_t times, int32_t *data)
	Read average data.

Detailed Description

ESP-IDF driver for HX711 24-bit ADC for weigh scales

Copyright (c) 2019 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)