EERAM 3v3 Click Driver

API for configuring and manipulating EERAM 3v3 Click driver. More...

Topics
	EERAM 3v3 Const
	List of Constants of EERAM 3v3 Click driver.
	EERAM 3v3 MikroBUS Map
	MikroBUS pin mapping of EERAM 3v3 Click driver.

Functions
void	eeram3v3_cfg_setup (eeram3v3_cfg_t *cfg)
	EERAM 3v3 configuration object setup function.
err_t	eeram3v3_init (eeram3v3_t *ctx, eeram3v3_cfg_t *cfg)
	EERAM 3v3 initialization function.
void	eeram3v3_generic_write (eeram3v3_t *ctx, uint8_t reg, uint8_t *tx_buf, uint8_t tx_len)
	EERAM 3v3 I2C writing function.
void	eeram3v3_generic_read (eeram3v3_t *ctx, uint8_t reg, uint8_t *rx_buf, uint8_t rx_len)
	EERAM 3v3 I2C reading function.
void	eeram3v3_status_write (eeram3v3_t *ctx, uint8_t command)
	EERAM 3v3 Click Status Write.
uint8_t	eeram3v3_status_read (eeram3v3_t *ctx)
	EERAM Click Status Read.
void	eeram3v3_read (eeram3v3_t *ctx, uint16_t address, uint8_t *data_out, uint8_t count_out)
	EERAM Click SRAM Read.
void	eeram3v3_write (eeram3v3_t *ctx, uint16_t address, uint8_t *data_in, uint8_t count_in)
	EERAM Click SRAM Write.

Detailed Description

API for configuring and manipulating EERAM 3v3 Click driver.

Any initialization code needed for MCU to function properly. Do not remove this line or clock might not be set correctly.

Function Documentation

eeram3v3_cfg_setup()

void eeram3v3_cfg_setup

(

eeram3v3_cfg_t *

cfg

)

EERAM 3v3 configuration object setup function.

This function initializes click configuration structure to initial values.

Parameters

[out]

cfg

: Click configuration structure. See eeram3v3_cfg_t object definition for detailed explanation.

Returns

Nothing.

Note

The all used pins will be set to unconnected state.

eeram3v3_generic_read()

void eeram3v3_generic_read	(	eeram3v3_t *	ctx,
		uint8_t	reg,
		uint8_t *	rx_buf,
		uint8_t	rx_len )

EERAM 3v3 I2C reading function.

This function reads a desired number of data bytes starting from the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See eeram3v3_t object definition for detailed explanation.
[in]	reg	: Start register address.
[out]	rx_buf	: Output read data.
[in]	rx_len	: Number of bytes to be read.

Returns

• 0 - Success,
• -1 - Error.

See #err_t definition for detailed explanation.

Note

None.

eeram3v3_generic_write()

void eeram3v3_generic_write	(	eeram3v3_t *	ctx,
		uint8_t	reg,
		uint8_t *	tx_buf,
		uint8_t	tx_len )

EERAM 3v3 I2C writing function.

This function writes a desired number of data bytes starting from the selected register by using I2C serial interface.

Parameters

[in]	ctx	: Click context object. See eeram3v3_t object definition for detailed explanation.
[in]	reg	: Start register address.
[in]	tx_buf	: Data to be written.
[in]	tx_len	: Number of bytes to be written.

Returns

• 0 - Success,
• -1 - Error.

See #err_t definition for detailed explanation.

Note

None.

eeram3v3_init()

err_t eeram3v3_init	(	eeram3v3_t *	ctx,
		eeram3v3_cfg_t *	cfg )

EERAM 3v3 initialization function.

This function initializes all necessary pins and peripherals used for this click board.

Parameters

[out]	ctx	: Click context object. See eeram3v3_t object definition for detailed explanation.
[in]	cfg	: Click configuration structure. See eeram3v3_cfg_t object definition for detailed explanation.

Returns

• 0 - Success,
• -1 - Error.

See #err_t definition for detailed explanation.

Note

None.

eeram3v3_read()

void eeram3v3_read	(	eeram3v3_t *	ctx,
		uint16_t	address,
		uint8_t *	data_out,
		uint8_t	count_out )

EERAM Click SRAM Read.

Reads the data from the selected SRAM address onwards.

Parameters

ctx	Click object.
address	SRAM 16 bit address.
data_out	Data buffer to be filled with read data.
count_out	Number of bytes to read.

Returns

• 0 - Success,
• -1 - Error.

Note

None.

eeram3v3_status_read()

uint8_t eeram3v3_status_read

(

eeram3v3_t *

ctx

)

EERAM Click Status Read.

Returns the state of the status register.

Parameters

ctx	Click object.

Returns

Value of the Status register.

Note

None.

eeram3v3_status_write()

void eeram3v3_status_write	(	eeram3v3_t *	ctx,
		uint8_t	command )

EERAM 3v3 Click Status Write.

Status register contains settings for write protection and auto-store function. Use this function to configure them.

Parameters

ctx	Click object.
command	Settings to be written to Status register.

Returns

Nothing.

Note

None.

eeram3v3_write()

void eeram3v3_write	(	eeram3v3_t *	ctx,
		uint16_t	address,
		uint8_t *	data_in,
		uint8_t	count_in )

EERAM Click SRAM Write.

Writes the data to SRAM memory array.

Parameters

ctx	Click object.
address	SRAM 16 bit address.
data_in	Write data.
count_in	Number of bytes to write.

Returns

Nothing.

Note

None.