I2C_component.c File Reference

Base I2C component. More...

#include "WDG_ex.h"
#include "I2C_component.h"

Include dependency graph for I2C_component.c:

Functions
void	I2C_slave_init (I2C_slave_t *const slave, I2C_HandleTypeDef *const hi2c, const uint16_t devAddress, const uint32_t timeout)
	I2C Slave device initialization.
void	I2C_set_slave_instance (I2C_slave_t *const slave, I2C_HandleTypeDef *const hi2c)
	I2C Slave device HAL instance change.
void	I2C_set_slave_address (I2C_slave_t *const slave, const uint16_t devAddress)
	I2C Slave device address change.
void	I2C_Watchdog_Refresh (void)
	I2C Watchdog refresh callback.

Detailed Description

Base I2C component.

Author

SMFSW

Copyright

MIT (c) 2017-2026, SMFSW

Warning

Components with a xxx_proc file can access I2C_slave_t instance through CPNT->cfg.slave_inst. Please keep in mind some components are somewhat custom and needs to be accesses through CPNT->cfg.slave_inst_xxx instead if needed.

Function Documentation

I2C_set_slave_address()

void I2C_set_slave_address	(	I2C_slave_t *const	slave,
		const uint16_t	devAddress )

I2C Slave device address change.

Parameters

[in,out]	slave	- pointer to I2C slave instance
[in]	devAddress	- Device Address

I2C_set_slave_instance()

void I2C_set_slave_instance	(	I2C_slave_t *const	slave,
		I2C_HandleTypeDef *const	hi2c )

I2C Slave device HAL instance change.

Parameters

[in,out]	slave	- pointer to I2C slave instance
[in]	hi2c	- pointer to HAL I2C instance

I2C_slave_init()

void I2C_slave_init	(	I2C_slave_t *const	slave,
		I2C_HandleTypeDef *const	hi2c,
		const uint16_t	devAddress,
		const uint32_t	timeout )

I2C Slave device initialization.

Parameters

[in,out]	slave	- pointer to I2C slave instance to initialize
[in]	hi2c	- pointer to HAL I2C instance
[in]	devAddress	- Device Address
[in]	timeout	- Transaction timeout

I2C_Watchdog_Refresh()

void I2C_Watchdog_Refresh

(

void

)

I2C Watchdog refresh callback.

Weak Functions

Function declared as weak, can be customly implemented in user code is specific actions needs to be taken (IWDG refreshed by default)

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