driver htu21d header file More...

#include <stdio.h>
#include <stdint.h>
#include <string.h>

Include dependency graph for driver_htu21d.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	htu21d_handle_s
	htu21d handle structure definition More...
struct	htu21d_info_s
	htu21d information structure definition More...

Macros
#define	DRIVER_HTU21D_LINK_INIT(HANDLE, STRUCTURE)
	initialize htu21d_handle_t structure
#define	DRIVER_HTU21D_LINK_IIC_INIT(HANDLE, FUC)
	link iic_init function
#define	DRIVER_HTU21D_LINK_IIC_DEINIT(HANDLE, FUC)
	link iic_deinit function
#define	DRIVER_HTU21D_LINK_IIC_WRITE_CMD(HANDLE, FUC)
	link iic_write_cmd function
#define	DRIVER_HTU21D_LINK_IIC_READ_CMD(HANDLE, FUC)
	link iic_read_cmd function
#define	DRIVER_HTU21D_LINK_IIC_WRITE(HANDLE, FUC)
	link iic_write function
#define	DRIVER_HTU21D_LINK_IIC_READ(HANDLE, FUC)
	link iic_read function
#define	DRIVER_HTU21D_LINK_IIC_READ_WITH_SCL(HANDLE, FUC)
	link iic_read_with_scl function
#define	DRIVER_HTU21D_LINK_DELAY_MS(HANDLE, FUC)
	link delay_ms function
#define	DRIVER_HTU21D_LINK_DEBUG_PRINT(HANDLE, FUC)
	link debug_print function

Typedefs
typedef struct htu21d_handle_s	htu21d_handle_t
	htu21d handle structure definition
typedef struct htu21d_info_s	htu21d_info_t
	htu21d information structure definition

Enumerations
enum	htu21d_bool_t { HTU21D_BOOL_FALSE = 0x00 , HTU21D_BOOL_TRUE = 0x01 }
	htu21d bool enumeration definition More...
enum	htu21d_mode_t { HTU21D_MODE_HOLD_MASTER = 0x00 , HTU21D_MODE_NO_HOLD_MASTER = 0x01 }
	htu21d mode enumeration definition More...
enum	htu21d_status_t { HTU21D_STATUS_OVER_2P25 = 0x00 , HTU21D_STATUS_LESS_2P25 = 0x01 }
	htu21d status enumeration definition More...
enum	htu21d_resolution_t { HTU21D_RESOLUTION_TEMP_11_BITS_RH_11_BITS = 0x03 , HTU21D_RESOLUTION_TEMP_12_BITS_RH_8_BITS = 0x01 , HTU21D_RESOLUTION_TEMP_13_BITS_RH_10_BITS = 0x02 , HTU21D_RESOLUTION_TEMP_14_BITS_RH_12_BITS = 0x00 }
	htu21d resolution enumeration definition More...

Functions
uint8_t	htu21d_info (htu21d_info_t *info)
	get chip's information
uint8_t	htu21d_init (htu21d_handle_t *handle)
	initialize the chip
uint8_t	htu21d_deinit (htu21d_handle_t *handle)
	close the chip
uint8_t	htu21d_set_mode (htu21d_handle_t *handle, htu21d_mode_t mode)
	set the chip mode
uint8_t	htu21d_get_mode (htu21d_handle_t handle, htu21d_mode_t mode)
	get the chip mode
uint8_t	htu21d_soft_reset (htu21d_handle_t *handle)
	soft reset
uint8_t	htu21d_read_temperature_humidity (htu21d_handle_t handle, uint16_t temperature_raw, float temperature_s, uint16_t humidity_raw, float *humidity_s)
	read the temperature and humidity data
uint8_t	htu21d_read_temperature (htu21d_handle_t handle, uint16_t temperature_raw, float *temperature_s)
	read the temperature data
uint8_t	htu21d_read_humidity (htu21d_handle_t handle, uint16_t humidity_raw, float *humidity_s)
	read the humidity data
uint8_t	htu21d_set_resolution (htu21d_handle_t *handle, htu21d_resolution_t resolution)
	set the resolution
uint8_t	htu21d_get_resolution (htu21d_handle_t handle, htu21d_resolution_t resolution)
	get the resolution
uint8_t	htu21d_get_battery_status (htu21d_handle_t handle, htu21d_status_t status)
	get the battery status
uint8_t	htu21d_set_heater (htu21d_handle_t *handle, htu21d_bool_t enable)
	enable or disable the heater
uint8_t	htu21d_get_heater (htu21d_handle_t handle, htu21d_bool_t enable)
	get the heater status
uint8_t	htu21d_set_disable_otp_reload (htu21d_handle_t *handle, htu21d_bool_t enable)
	enable or disable otp reload
uint8_t	htu21d_get_disable_otp_reload (htu21d_handle_t handle, htu21d_bool_t enable)
	get the disable otp reload status
uint8_t	htu21d_get_serial_number (htu21d_handle_t handle, uint64_t number)
	get the serial number
uint8_t	htu21d_set_reg (htu21d_handle_t handle, uint8_t buf, uint16_t len)
	set the chip register
uint8_t	htu21d_get_reg (htu21d_handle_t handle, uint8_t buf, uint16_t len)
	get the chip register

Detailed Description

driver htu21d header file

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Version: 1.0.0

Author: Shifeng Li

Date: 2022-10-31

history

Date	Version	Author	Description
2022/10/31	1.0	Shifeng Li	first upload

Definition in file driver_htu21d.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Detailed Description

history