driver_pcf8575.h File Reference

driver pcf8575 header file More...

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

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Data Structures
struct	pcf8575_handle_s
	pcf8575 handle structure definition More...
struct	pcf8575_info_s
	pcf8575 information structure definition More...

Macros
#define	DRIVER_PCF8575_LINK_INIT(HANDLE, STRUCTURE)
	initialize pcf8575_handle_t structure
#define	DRIVER_PCF8575_LINK_IIC_INIT(HANDLE, FUC)
	link iic_init function
#define	DRIVER_PCF8575_LINK_IIC_DEINIT(HANDLE, FUC)
	link iic_deinit function
#define	DRIVER_PCF8575_LINK_IIC_READ_COMMAND(HANDLE, FUC)
	link iic_read_cmd function
#define	DRIVER_PCF8575_LINK_IIC_WRITE_COMMAND(HANDLE, FUC)
	link iic_write_cmd function
#define	DRIVER_PCF8575_LINK_DELAY_MS(HANDLE, FUC)
	link delay_ms function
#define	DRIVER_PCF8575_LINK_DEBUG_PRINT(HANDLE, FUC)
	link debug_print function

Typedefs
typedef struct pcf8575_handle_s	pcf8575_handle_t
	pcf8575 handle structure definition
typedef struct pcf8575_info_s	pcf8575_info_t
	pcf8575 information structure definition

Enumerations
enum	pcf8575_address_t {   PCF8575_ADDRESS_A000 = 0 , PCF8575_ADDRESS_A001 = 1 , PCF8575_ADDRESS_A010 = 2 , PCF8575_ADDRESS_A011 = 3 ,   PCF8575_ADDRESS_A100 = 4 , PCF8575_ADDRESS_A101 = 5 , PCF8575_ADDRESS_A110 = 6 , PCF8575_ADDRESS_A111 = 7 }
	pcf8575 address enumeration definition More...
enum	pcf8575_pin_t {   PCF8575_PIN_00 = 0x08 , PCF8575_PIN_01 = 0x09 , PCF8575_PIN_02 = 0x0A , PCF8575_PIN_03 = 0x0B ,   PCF8575_PIN_04 = 0x0C , PCF8575_PIN_05 = 0x0D , PCF8575_PIN_06 = 0x0E , PCF8575_PIN_07 = 0x0F ,   PCF8575_PIN_10 = 0x00 , PCF8575_PIN_11 = 0x01 , PCF8575_PIN_12 = 0x02 , PCF8575_PIN_13 = 0x03 ,   PCF8575_PIN_14 = 0x04 , PCF8575_PIN_15 = 0x05 , PCF8575_PIN_16 = 0x06 , PCF8575_PIN_17 = 0x07 }
	pcf8575 pin enumeration definition More...
enum	pcf8575_pin_level_t { PCF8575_PIN_LEVEL_LOW = 0x00 , PCF8575_PIN_LEVEL_HIGH = 0x01 }
	pcf8575 pin enumeration definition More...

Functions
uint8_t	pcf8575_info (pcf8575_info_t *info)
	get chip's information
uint8_t	pcf8575_set_addr_pin (pcf8575_handle_t *handle, pcf8575_address_t addr_pin)
	set the address pin
uint8_t	pcf8575_get_addr_pin (pcf8575_handle_t *handle, pcf8575_address_t *addr_pin)
	get the address pin
uint8_t	pcf8575_init (pcf8575_handle_t *handle)
	initialize the chip
uint8_t	pcf8575_deinit (pcf8575_handle_t *handle)
	close the chip
uint8_t	pcf8575_read (pcf8575_handle_t *handle, pcf8575_pin_t pin, pcf8575_pin_level_t *level)
	read the pin
uint8_t	pcf8575_write (pcf8575_handle_t *handle, pcf8575_pin_t pin, pcf8575_pin_level_t level)
	write the pin
uint8_t	pcf8575_set_reg (pcf8575_handle_t *handle, uint8_t *buf, uint16_t len)
	set the chip register
uint8_t	pcf8575_get_reg (pcf8575_handle_t *handle, uint8_t *buf, uint16_t len)
	get the chip register

Detailed Description

driver pcf8575 header file

Copyright (c) 2015 - present LibDriver All rights reserved

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

2025-07-29

history

Date	Version	Author	Description
2025/07/29	1.0	Shifeng Li	first upload

Definition in file driver_pcf8575.h.