driver veml7700 header file More...

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

Include dependency graph for driver_veml7700.h:

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

Data Structures
struct	veml7700_handle_s
	veml7700 handle structure definition More...
struct	veml7700_info_s
	veml7700 information structure definition More...

Macros
#define	VEML7700_AUTO_RANGE_HIGH_THRESHOLD 0xFF00U
	veml7700 auto range high threshold definition
#define	VEML7700_AUTO_RANGE_LOW_THRESHOLD 0x00FFU
	veml7700 auto range low threshold definition
#define	DRIVER_VEML7700_LINK_INIT(HANDLE, STRUCTURE)
	initialize veml7700_handle_t structure
#define	DRIVER_VEML7700_LINK_IIC_INIT(HANDLE, FUC)
	link iic_init function
#define	DRIVER_VEML7700_LINK_IIC_DEINIT(HANDLE, FUC)
	link iic_deinit function
#define	DRIVER_VEML7700_LINK_IIC_READ(HANDLE, FUC)
	link iic_read function
#define	DRIVER_VEML7700_LINK_IIC_WRITE(HANDLE, FUC)
	link iic_write function
#define	DRIVER_VEML7700_LINK_DELAY_MS(HANDLE, FUC)
	link delay_ms function
#define	DRIVER_VEML7700_LINK_DEBUG_PRINT(HANDLE, FUC)
	link debug_print function

Typedefs
typedef struct veml7700_handle_s	veml7700_handle_t
	veml7700 handle structure definition
typedef struct veml7700_info_s	veml7700_info_t
	veml7700 information structure definition

Enumerations
enum	veml7700_bool_t { VEML7700_BOOL_DISABLE = 0x0 , VEML7700_BOOL_ENABLE = 0x1 }
	veml7700 bool enumeration definition More...
enum	veml7700_als_gain_t { VEML7700_ALS_GAIN_1 = 0x0 , VEML7700_ALS_GAIN_2 = 0x1 , VEML7700_ALS_GAIN_1_DIV_8 = 0x2 , VEML7700_ALS_GAIN_1_DIV_4 = 0x3 }
	veml7700 als gain enumeration definition More...
enum	veml7700_als_integration_time_t { VEML7700_ALS_INTEGRATION_TIME_25MS = 0xC , VEML7700_ALS_INTEGRATION_TIME_50MS = 0x8 , VEML7700_ALS_INTEGRATION_TIME_100MS = 0x0 , VEML7700_ALS_INTEGRATION_TIME_200MS = 0x1 , VEML7700_ALS_INTEGRATION_TIME_400MS = 0x2 , VEML7700_ALS_INTEGRATION_TIME_800MS = 0x3 }
	veml7700 als integration time enumeration definition More...
enum	veml7700_als_persistence_t { VEML7700_ALS_PERSISTENCE_1 = 0x0 , VEML7700_ALS_PERSISTENCE_2 = 0x1 , VEML7700_ALS_PERSISTENCE_4 = 0x2 , VEML7700_ALS_PERSISTENCE_8 = 0x3 }
	veml7700 als persistence enumeration definition More...
enum	veml7700_als_mode_t { VEML7700_ALS_MODE_POWER_ON = 0x0 , VEML7700_ALS_MODE_SHUT_DOWN = 0x1 }
	veml7700 als mode enumeration definition More...
enum	veml7700_power_saving_mode_t { VEML7700_POWER_SAVING_MODE1 = 0x0 , VEML7700_POWER_SAVING_MODE2 = 0x1 , VEML7700_POWER_SAVING_MODE3 = 0x2 , VEML7700_POWER_SAVING_MODE4 = 0x3 }
	veml7700 power saving mode enumeration definition More...

Functions
uint8_t	veml7700_info (veml7700_info_t *info)
	get chip's information
uint8_t	veml7700_init (veml7700_handle_t *handle)
	initialize the chip
uint8_t	veml7700_deinit (veml7700_handle_t *handle)
	close the chip
uint8_t	veml7700_read_als (veml7700_handle_t handle, uint16_t raw, double *lux)
	read als channel
uint8_t	veml7700_read_white (veml7700_handle_t handle, uint16_t raw)
	read white channel
uint8_t	veml7700_set_auto_range (veml7700_handle_t *handle, veml7700_bool_t enable)
	set auto range
uint8_t	veml7700_get_auto_range (veml7700_handle_t handle, veml7700_bool_t enable)
	get auto range
uint8_t	veml7700_set_als_gain (veml7700_handle_t *handle, veml7700_als_gain_t gain)
	set als gain
uint8_t	veml7700_get_als_gain (veml7700_handle_t handle, veml7700_als_gain_t gain)
	get als gain
uint8_t	veml7700_set_als_integration_time (veml7700_handle_t *handle, veml7700_als_integration_time_t t)
	set als integration time
uint8_t	veml7700_get_als_integration_time (veml7700_handle_t handle, veml7700_als_integration_time_t t)
	get als integration time
uint8_t	veml7700_set_als_persistence (veml7700_handle_t *handle, veml7700_als_persistence_t persistence)
	set als persistence
uint8_t	veml7700_get_als_persistence (veml7700_handle_t handle, veml7700_als_persistence_t persistence)
	get als persistence
uint8_t	veml7700_set_als_interrupt (veml7700_handle_t *handle, veml7700_bool_t enable)
	enable or disable als interrupt
uint8_t	veml7700_get_als_interrupt (veml7700_handle_t handle, veml7700_bool_t enable)
	get als interrupt status
uint8_t	veml7700_set_als_mode (veml7700_handle_t *handle, veml7700_als_mode_t mode)
	set als mode
uint8_t	veml7700_get_als_mode (veml7700_handle_t handle, veml7700_als_mode_t mode)
	get als mode
uint8_t	veml7700_set_als_high_threshold (veml7700_handle_t *handle, uint16_t threshold)
	set als high threshold
uint8_t	veml7700_get_als_high_threshold (veml7700_handle_t handle, uint16_t threshold)
	get als high threshold
uint8_t	veml7700_set_als_low_threshold (veml7700_handle_t *handle, uint16_t threshold)
	set als low threshold
uint8_t	veml7700_get_als_low_threshold (veml7700_handle_t handle, uint16_t threshold)
	get als low threshold
uint8_t	veml7700_set_power_saving_mode (veml7700_handle_t *handle, veml7700_power_saving_mode_t mode)
	set power saving mode
uint8_t	veml7700_get_power_saving_mode (veml7700_handle_t handle, veml7700_power_saving_mode_t mode)
	get power saving mode
uint8_t	veml7700_set_power_saving (veml7700_handle_t *handle, veml7700_bool_t enable)
	enable or disable power saving
uint8_t	veml7700_get_power_saving (veml7700_handle_t handle, veml7700_bool_t enable)
	get power saving status
uint8_t	veml7700_get_interrupt_status (veml7700_handle_t handle, veml7700_bool_t low_threshold, veml7700_bool_t *high_threshold)
	get interrupt status
uint8_t	veml7700_set_reg (veml7700_handle_t *handle, uint8_t reg, uint16_t data)
	set the chip register
uint8_t	veml7700_get_reg (veml7700_handle_t handle, uint8_t reg, uint16_t data)
	get the chip register

Detailed Description

driver veml7700 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: 2025-11-30

history

Date	Version	Author	Description
2025/11/30	1.0	Shifeng Li	first upload

Definition in file driver_veml7700.h.

Data Structures

Macros

Typedefs

Enumerations

Functions

Detailed Description

history