twi_slave.h File Reference

TWI Slave driver for SAM. More...

#include "twi.h"
#include "sysclk.h"

Go to the source code of this file.

Macros
#define	twi_slave_disable(p_twi)
#define	twi_slave_enable(p_twi)

Typedefs
typedef Twi *	twi_slave_t
	This type can be used independently to refer to TWI slave module for the architecture used.

Functions
static void	twi_slave_setup (twi_slave_t p_twi, uint32_t dw_device_addr)

Detailed Description

TWI Slave driver for SAM.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

\cond ASF_LICENSE

Definition in file sam_twi/twi_slave.h.

Macro Definition Documentation

twi_slave_disable

#define twi_slave_disable

(

p_twi

)

Value:

twi_disable_slave_mode(p_twi)

Definition at line 91 of file sam_twi/twi_slave.h.

twi_slave_enable

#define twi_slave_enable

(

p_twi

)

Value:

twi_enable_slave_mode(p_twi)

Definition at line 89 of file sam_twi/twi_slave.h.

Function Documentation

twi_slave_setup()

void twi_slave_setup ( twi_slave_t p_twi, uint32_t dw_device_addr )

inlinestatic

Definition at line 45 of file sam_twi/twi_slave.h.

{
#if SAMG55
    if (p_twi == TWI0) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM0);
    } else if (p_twi == TWI1) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM1);
    } else if (p_twi == TWI2) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM2);
    } else if (p_twi == TWI3) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM3);
    } else if (p_twi == TWI4) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM4);
    } else if (p_twi == TWI5) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM5);
    } else if (p_twi == TWI6) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM6);
#ifdef _SAMG55_FLEXCOM7_INSTANCE_
    } else if (p_twi == TWI7) {
        sysclk_enable_peripheral_clock(ID_FLEXCOM7);
#endif /* _SAMG55_FLEXCOM7_INSTANCE_*/
    } else {
        // Do Nothing
    }
#else
#if (!(SAMG51 || SAMG53 || SAMG54))
    if (p_twi == TWI0) {
        sysclk_enable_peripheral_clock(ID_TWI0);
    } else
#endif
    if (p_twi == TWI1) {
        sysclk_enable_peripheral_clock(ID_TWI1);
#if (SAM4N || SAMG)
    } else if (p_twi == TWI2) {
        sysclk_enable_peripheral_clock(ID_TWI2);
#endif
    } else {
        // Do Nothing
    }
#endif
 
    twi_slave_init(p_twi, dw_device_addr);
}

References ID_TWI0, ID_TWI1, TWI0, TWI1, and twi_slave_init().