driver mcp4725 source file More...

#include "driver_mcp4725.h"
#include <math.h>

Include dependency graph for driver_mcp4725.c:

Macros
#define	CHIP_NAME "Microchip MCP4725"
	chip information definition
#define	MANUFACTURER_NAME "Microchip"
#define	SUPPLY_VOLTAGE_MIN 2.7f
#define	SUPPLY_VOLTAGE_MAX 5.5f
#define	MAX_CURRENT 0.4f
#define	TEMPERATURE_MIN -40.0f
#define	TEMPERATURE_MAX 125.0f
#define	DRIVER_VERSION 2000

Functions
uint8_t	mcp4725_init (mcp4725_handle_t *handle)
	initialize the chip
uint8_t	mcp4725_deinit (mcp4725_handle_t *handle)
	close the chip
uint8_t	mcp4725_set_addr_pin (mcp4725_handle_t *handle, mcp4725_address_t addr_pin)
	set the chip address pin
uint8_t	mcp4725_get_addr_pin (mcp4725_handle_t handle, mcp4725_address_t addr_pin)
	get the chip address pin
uint8_t	mcp4725_set_mode (mcp4725_handle_t *handle, mcp4725_mode_t mode)
	set the chip mode
uint8_t	mcp4725_get_mode (mcp4725_handle_t handle, mcp4725_mode_t mode)
	get the chip mode
uint8_t	mcp4725_set_power_mode (mcp4725_handle_t *handle, mcp4725_power_down_mode_t mode)
	set the chip power mode
uint8_t	mcp4725_get_power_mode (mcp4725_handle_t handle, mcp4725_power_down_mode_t mode)
	get the chip power mode
uint8_t	mcp4725_set_reference_voltage (mcp4725_handle_t *handle, float ref_voltage)
	set the chip reference voltage
uint8_t	mcp4725_get_reference_voltage (mcp4725_handle_t handle, float ref_voltage)
	get the chip reference voltage
uint8_t	mcp4725_read (mcp4725_handle_t handle, uint16_t value)
	read the dac value
uint8_t	mcp4725_write (mcp4725_handle_t *handle, uint16_t value)
	write the dac value
uint8_t	mcp4725_convert_to_register (mcp4725_handle_t handle, float s, uint16_t reg)
	convert the dac value to the register data
uint8_t	mcp4725_convert_to_data (mcp4725_handle_t handle, uint16_t reg, float s)
	convert the register data to the dac value
uint8_t	mcp4725_set_reg (mcp4725_handle_t handle, uint8_t buf, uint16_t len)
	set the chip register
uint8_t	mcp4725_get_reg (mcp4725_handle_t handle, uint8_t buf, uint16_t len)
	get the chip register
uint8_t	mcp4725_info (mcp4725_info_t *info)
	get chip's information

Detailed Description

driver mcp4725 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: 2.0.0

Author: Shifeng Li

Date: 2021-03-09

history

Date	Version	Author	Description
2021/03/09	2.0	Shifeng Li	format the code
2020/11/13	1.0	Shifeng Li	first upload

Definition in file driver_mcp4725.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "Microchip MCP4725"

chip information definition

chip name

Definition at line 44 of file driver_mcp4725.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 2000

driver version

Definition at line 51 of file driver_mcp4725.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "Microchip"

manufacturer name

Definition at line 45 of file driver_mcp4725.c.

◆ MAX_CURRENT

#define MAX_CURRENT 0.4f

chip max current

Definition at line 48 of file driver_mcp4725.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 47 of file driver_mcp4725.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 2.7f

chip min supply voltage

Definition at line 46 of file driver_mcp4725.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 125.0f

chip max operating temperature

Definition at line 50 of file driver_mcp4725.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 49 of file driver_mcp4725.c.

Macros

Functions