MB85RC256V.h File Reference

MB85RC256V FRAM Driver. More...

#include "sarmfsw.h"
#include "I2C_component.h"
#include "I2C_peripheral.h"
#include "MB85RC256V_proc.h"
#include "MB85RC256V_ex.h"

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Data Structures
struct	MB85RC256V_t
	MB85RC256V user interface struct. More...

Macros
#define	I2C_MB85RC256V_NB   1U
	Number of MB85RC256V peripherals.
#define	MB85RC256V_BASE_ADDR   0x50U
	MB85RC256V Base address.
#define	MB85RC256V_SIZE   0x8000U
	MB85RC256V size (in bytes)

Functions
FctERR	MB85RC256V_Init (const uint8_t idx, I2C_HandleTypeDef *const hi2c, const uint16_t devAddress)
	Initialization for MB85RC256V peripheral.
FctERR	MB85RC256V_Init_Single (void)
	Initialization for MB85RC256V peripheral.
FctERR	MB85RC256V_Write (MB85RC256V_t *const pCpnt, const uint8_t *data, const uint16_t addr, const uint16_t nb)
	I2C Write function for MB85RC256V.
FctERR	MB85RC256V_Read (MB85RC256V_t *const pCpnt, uint8_t *data, const uint16_t addr, const uint16_t nb)
	I2C Read function for MB85RC256V.
FctERR	MB85RC256V_Read_ID (MB85RC256V_t *const pCpnt, uint8_t *data)
	I2C Read ID function for MB85RC256V (reads 3 bytes)

Variables
MB85RC256V_t	MB85RC256V [I2C_MB85RC256V_NB]
	MB85RC256V User structure.

Detailed Description

MB85RC256V FRAM Driver.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

MB85RC256V: 256-Kbit (32K * 8) I2C Memory FRAM

Note

Legacy component: consider switching to I2CMEM component for new designs

Compatibility (tested):

• MB85RC256V
• FM24CL64B

Macro Definition Documentation

I2C_MB85RC256V_NB

#define I2C_MB85RC256V_NB   1U

Number of MB85RC256V peripherals.

Note

Define I2C_MB85RC256V_NB to enable multiple peripherals of this type

MB85RC256V_BASE_ADDR

#define MB85RC256V_BASE_ADDR   0x50U

MB85RC256V Base address.

Note

Define MB85RC256V_BASE_ADDR to change default device base address

MB85RC256V_SIZE

#define MB85RC256V_SIZE   0x8000U

MB85RC256V size (in bytes)

Function Documentation

MB85RC256V_Init()

FctERR MB85RC256V_Init	(	const uint8_t	idx,
		I2C_HandleTypeDef *const	hi2c,
		const uint16_t	devAddress )

Initialization for MB85RC256V peripheral.

Parameters

[in]	idx	- MB85RC256V index
[in]	hi2c	- pointer to MB85RC256V I2C instance
[in]	devAddress	- MB85RC256V device address

Returns

FctERR - error code

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MB85RC256V_Init_Single()

FctERR MB85RC256V_Init_Single

(

void

)

Initialization for MB85RC256V peripheral.

Warning

In case multiple devices (defined by I2C_MB85RC256V_NB > 1), you shall use MB85RC256V_Init instead

Returns

FctERR - error code

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MB85RC256V_Read()

FctERR MB85RC256V_Read	(	MB85RC256V_t *const	pCpnt,
		uint8_t *	data,
		const uint16_t	addr,
		const uint16_t	nb )

I2C Read function for MB85RC256V.

Parameters

[in]	pCpnt	- Pointer to MB85RC256V component
[in,out]	data	- pointer to read to
[in]	addr	- Address to read from
[in]	nb	- Number of bytes to read

Returns

FctERR - error code

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MB85RC256V_Read_ID()

FctERR MB85RC256V_Read_ID	(	MB85RC256V_t *const	pCpnt,
		uint8_t *	data )

I2C Read ID function for MB85RC256V (reads 3 bytes)

Parameters

[in]	pCpnt	- Pointer to MB85RC256V component
[in,out]	data	- pointer to read to

Returns

FctERR - error code

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MB85RC256V_Write()

FctERR MB85RC256V_Write	(	MB85RC256V_t *const	pCpnt,
		const uint8_t *	data,
		const uint16_t	addr,
		const uint16_t	nb )

I2C Write function for MB85RC256V.

Parameters

[in]	pCpnt	- Pointer to MB85RC256V component
[in]	data	- pointer to write from
[in]	addr	- Address to write to
[in]	nb	- Number of bytes to write

Returns

FctERR - error code

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Variable Documentation

MB85RC256V

MB85RC256V_t MB85RC256V[I2C_MB85RC256V_NB]

extern

MB85RC256V User structure.