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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016 embedded brains GmbH. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <bsp/atsam-i2c.h>
#include <bsp/i2c.h>
/** TWI0 data pin */
#define PIN_TWI_TWD0 {PIO_PA3A_TWD0, PIOA, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/** TWI0 clock pin */
#define PIN_TWI_TWCK0 {PIO_PA4A_TWCK0, PIOA, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT}
/** TWI1 data pin */
#define PIN_TWI_TWD1 {PIO_PB4A_TWD1, PIOB, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT}
/** TWI1 clock pin */
#define PIN_TWI_TWCK1 {PIO_PB5A_TWCK1, PIOB, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT}
/** TWI2 data pin */
#define PIN_TWI_TWD2 {PIO_PD27C_TWD2, PIOD, ID_PIOD, PIO_PERIPH_C, PIO_DEFAULT}
/** TWI2 clock pin */
#define PIN_TWI_TWCK2 {PIO_PD28C_TWCK2, PIOD, ID_PIOD, PIO_PERIPH_C, PIO_DEFAULT}
int atsam_register_i2c_0(void)
{
static const Pin pins[] = {PIN_TWI_TWD0, PIN_TWI_TWCK0};
return i2c_bus_register_atsam(
ATSAM_I2C_0_BUS_PATH,
TWIHS0,
ID_TWIHS0,
pins);
}
int atsam_register_i2c_1(void)
{
static const Pin pins[] = {PIN_TWI_TWD1, PIN_TWI_TWCK1};
return i2c_bus_register_atsam(
ATSAM_I2C_1_BUS_PATH,
TWIHS1,
ID_TWIHS1,
pins);
}
int atsam_register_i2c_2(void)
{
static const Pin pins[] = {PIN_TWI_TWD2, PIN_TWI_TWCK2};
return i2c_bus_register_atsam(
ATSAM_I2C_2_BUS_PATH,
TWIHS2,
ID_TWIHS2,
pins);
}
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