MCP4725.c File Reference

MCP4725 Driver. More...

#include "MCP4725.h"

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Functions
FctERR	MCP4725_Init (const uint8_t idx, I2C_HandleTypeDef *const hi2c, const uint16_t devAddress)
	Initialization of the MCP4725 peripheral.
FctERR	MCP4725_Init_Single (void)
	Initialization for MCP4725 peripheral.
FctERR	MCP4725_General_Call (I2C_HandleTypeDef *const hi2c, const uint8_t cmd)
	I2C general call for MCP4725.
FctERR	MCP4725_Write (I2C_slave_t *const pSlave, const uint8_t *data, const uint16_t nb)
	I2C Write function for MCP4725.
FctERR	MCP4725_Read (I2C_slave_t *const pSlave, uint8_t *data, const uint16_t nb)
	I2C Read function for MCP4725.

Detailed Description

MCP4725 Driver.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

MCP4725: 12-Bit Digital-to-Analog Converter with EEPROM Memory

Function Documentation

MCP4725_General_Call()

FctERR MCP4725_General_Call	(	I2C_HandleTypeDef *const	hi2c,
		const uint8_t	cmd )

I2C general call for MCP4725.

Parameters

[in]	hi2c	- pointer to general call I2C instance
[in]	cmd	- Command to send

Returns

FctERR - error code

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MCP4725_Init()

FctERR MCP4725_Init	(	const uint8_t	idx,
		I2C_HandleTypeDef *const	hi2c,
		const uint16_t	devAddress )

Initialization of the MCP4725 peripheral.

Parameters

[in]	idx	- MCP4725 index
[in]	hi2c	- pointer to MCP4725 I2C instance
[in]	devAddress	- MCP4725 device address

Returns

FctERR - error code

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MCP4725_Init_Single()

FctERR MCP4725_Init_Single

(

void

)

Initialization for MCP4725 peripheral.

Warning

In case multiple devices (defined by I2C_MCP4725_NB > 1), you shall use MCP4725_Init instead

Returns

FctERR - error code

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MCP4725_Read()

FctERR MCP4725_Read	(	I2C_slave_t *const	pSlave,
		uint8_t *	data,
		const uint16_t	nb )

I2C Read function for MCP4725.

Parameters

[in,out]	pSlave	- Pointer to I2C slave instance
[in,out]	data	- pointer to read to
[in]	nb	- Number of bytes to read

Returns

FctERR - error code

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MCP4725_Write()

FctERR MCP4725_Write	(	I2C_slave_t *const	pSlave,
		const uint8_t *	data,
		const uint16_t	nb )

I2C Write function for MCP4725.

Parameters

[in,out]	pSlave	- Pointer to I2C slave instance
[in]	data	- pointer to write from
[in]	nb	- Number of bytes to write

Returns

FctERR - error code

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