driver pca9548a source file More...

#include "driver_pca9548a.h"

Include dependency graph for driver_pca9548a.c:

Macros
#define	CHIP_NAME "NXP PCA9548A"
	chip information definition
#define	MANUFACTURER_NAME "NXP"
#define	SUPPLY_VOLTAGE_MIN 2.3f
#define	SUPPLY_VOLTAGE_MAX 5.5f
#define	MAX_CURRENT 100.0f
#define	TEMPERATURE_MIN -40.0f
#define	TEMPERATURE_MAX 85.0f
#define	DRIVER_VERSION 1000

Functions
uint8_t	pca9548a_set_addr_pin (pca9548a_handle_t *handle, pca9548a_address_t addr_pin)
	set the address pin
uint8_t	pca9548a_get_addr_pin (pca9548a_handle_t handle, pca9548a_address_t addr_pin)
	get the address pin
uint8_t	pca9548a_init (pca9548a_handle_t *handle)
	initialize the chip
uint8_t	pca9548a_deinit (pca9548a_handle_t *handle)
	close the chip
uint8_t	pca9548a_reset_bus (pca9548a_handle_t *handle)
	reset bus
uint8_t	pca9548a_set_channel (pca9548a_handle_t *handle, pca9548a_channel_t channel, pca9548a_bool_t enable)
	set channel
uint8_t	pca9548a_get_channel (pca9548a_handle_t handle, pca9548a_channel_t channel, pca9548a_bool_t enable)
	get channel
uint8_t	pca9548a_iic_read_command (pca9548a_handle_t handle, uint8_t addr, uint8_t buf, uint16_t len)
	iic read command
uint8_t	pca9548a_iic_write_command (pca9548a_handle_t handle, uint8_t addr, uint8_t buf, uint16_t len)
	iic write command
uint8_t	pca9548a_iic_read (pca9548a_handle_t handle, uint8_t addr, uint8_t reg, uint8_t buf, uint16_t len)
	iic read
uint8_t	pca9548a_iic_write (pca9548a_handle_t handle, uint8_t addr, uint8_t reg, uint8_t buf, uint16_t len)
	iic write
uint8_t	pca9548a_iic_read_address16 (pca9548a_handle_t handle, uint8_t addr, uint16_t reg, uint8_t buf, uint16_t len)
	iic read address16
uint8_t	pca9548a_iic_write_address16 (pca9548a_handle_t handle, uint8_t addr, uint16_t reg, uint8_t buf, uint16_t len)
	iic write address16
uint8_t	pca9548a_info (pca9548a_info_t *info)
	get chip's information

Detailed Description

driver pca9548a source 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: 2025-10-15

history

Date	Version	Author	Description
2025/10/15	1.0	Shifeng Li	first upload

Definition in file driver_pca9548a.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "NXP PCA9548A"

chip information definition

chip name

Definition at line 42 of file driver_pca9548a.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 1000

driver version

Definition at line 49 of file driver_pca9548a.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "NXP"

manufacturer name

Definition at line 43 of file driver_pca9548a.c.

◆ MAX_CURRENT

#define MAX_CURRENT 100.0f

chip max current

Definition at line 46 of file driver_pca9548a.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 45 of file driver_pca9548a.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 2.3f

chip min supply voltage

Definition at line 44 of file driver_pca9548a.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 85.0f

chip max operating temperature

Definition at line 48 of file driver_pca9548a.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 47 of file driver_pca9548a.c.

Macros

Functions