i2c.h File Reference

I2C abstraction implementation for Midgard. More...

#include <c/common/types.h>
#include <stm32f7xx_hal.h>

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Classes
struct	i2c_t
	I2C handle type. More...

Functions
C_LINKAGE bool	yggdrasil_I2C_Init (i2c_t i2c)
	I2C initialization. More...
C_LINKAGE bool	yggdrasil_I2C_Deinit (i2c_t i2c)
	I2C deinitialization. More...
C_LINKAGE void	yggdrasil_I2C_Write (i2c_t i2c, u8 address, void *data, size_t size)
	I2C write. More...
C_LINKAGE void	yggdrasil_I2C_WriteRegister (i2c_t i2c, u8 address, u8 reg, void *data, size_t size)
	I2C write register. More...
C_LINKAGE void	yggdrasil_I2C_Read (i2c_t i2c, u8 address, void *data, size_t size)
	I2C read. More...
C_LINKAGE void	yggdrasil_I2C_ReadRegister (i2c_t i2c, u8 address, u8 reg, void *data, size_t size)
	I2C read register. More...

Detailed Description

I2C abstraction implementation for Midgard.

Author

Fabian Weber, Nikolaij Saegesser

Function Documentation

yggdrasil_I2C_Deinit()

C_LINKAGE bool yggdrasil_I2C_Deinit

(

i2c_t

i2c

)

I2C deinitialization.

Parameters

i2c	I2C handel

Returns

Success

Success

yggdrasil_I2C_Init()

C_LINKAGE bool yggdrasil_I2C_Init

(

i2c_t

i2c

)

I2C initialization.

Parameters

i2c	I2C handel

Returns

Success

Success

yggdrasil_I2C_Read()

C_LINKAGE void yggdrasil_I2C_Read	(	i2c_t	i2c,
		u8	address,
		void *	data,
		size_t	size
	)

I2C read.

Parameters

	i2c	I2C handle
	address	I2C device address
[out]	data	Received data
	size	Size of the data to receive

yggdrasil_I2C_ReadRegister()

C_LINKAGE void yggdrasil_I2C_ReadRegister	(	i2c_t	i2c,
		u8	address,
		u8	reg,
		void *	data,
		size_t	size
	)

I2C read register.

Parameters

	i2c	I2C handle
	address	I2C device address
	reg	I2C device register address
[out]	data	Received data
	size	Size of the data to receive

yggdrasil_I2C_Write()

C_LINKAGE void yggdrasil_I2C_Write	(	i2c_t	i2c,
		u8	address,
		void *	data,
		size_t	size
	)

I2C write.

Parameters

i2c	I2C handle
address	I2C device address
data	Data to transmit
size	Size of the data to transmit

yggdrasil_I2C_WriteRegister()

C_LINKAGE void yggdrasil_I2C_WriteRegister	(	i2c_t	i2c,
		u8	address,
		u8	reg,
		void *	data,
		size_t	size
	)

I2C write register.

Parameters

i2c	I2C handle
address	I2C device address
reg	I2C device register address
data	Data to transmit
size	Size of the data to transmit