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Synchronous I2C Hardware Abstraction Layer for slave
Functions

Synchronous I2C Hardware Abstraction Layer for slave

Functions

void i2c_slave_mode (i2c_t *obj, int enable_slave)
 Configure I2C as slave or master.
int i2c_slave_receive (i2c_t *obj)
 Check to see if the I2C slave has been addressed.
int i2c_slave_read (i2c_t *obj, char *data, int length)
 Configure I2C as slave or master.
int i2c_slave_write (i2c_t *obj, const char *data, int length)
 Configure I2C as slave or master.
void i2c_slave_address (i2c_t *obj, int idx, uint32_t address, uint32_t mask)
 Configure I2C address.

Function Documentation

void i2c_slave_address ( i2c_t *  obj,
int  idx,
uint32_t  address,
uint32_t  mask 
)

Configure I2C address.

Parameters:
objThe I2C object
idxCurrently not used
addressThe address to be set
maskCurrently not used
void i2c_slave_mode ( i2c_t *  obj,
int  enable_slave 
)

Configure I2C as slave or master.

Parameters:
objThe I2C object
Returns:
non-zero if a value is available
int i2c_slave_read ( i2c_t *  obj,
char *  data,
int  length 
)

Configure I2C as slave or master.

Parameters:
objThe I2C object
Returns:
non-zero if a value is available
int i2c_slave_receive ( i2c_t *  obj )

Check to see if the I2C slave has been addressed.

Parameters:
objThe I2C object
Returns:
The status - 1 - read addresses, 2 - write to all slaves, 3 write addressed, 0 - the slave has not been addressed
int i2c_slave_write ( i2c_t *  obj,
const char *  data,
int  length 
)

Configure I2C as slave or master.

Parameters:
objThe I2C object
Returns:
non-zero if a value is available
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