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