54 lines
2.3 KiB
C
54 lines
2.3 KiB
C
/*
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* Copyright (c) 2012-2013, Robert Olsson <robert@radio-sensors.com>
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* All rights reserved.
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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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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef ENC28J60_AVR_H
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#define ENC28J60_AVR_H
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#define SPI_DDR DDRB /* Data Direction Register: Port B */
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#define SPI_PORT PORTB /* Serial Peripheral Interface */
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#define SPI_MOSI 2 /* PB2: Master Out Slave In */
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#define SPI_MISO 3 /* PB3: Master In Slave out */
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#define SPI_SCK 1 /* PB1: Serial Clock */
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#define CS_SPI_DDR DDRD /* Data Direction Register: Port B */
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#define CS_SPI_PORT PORTD /* Serial Peripheral Interface */
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#define SPI_CS 6 /* PD6: OW2_PIN, Chip Select */
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/* AVR specific's for enc28j60 */
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void enc28j60_arch_spi_init(void);
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uint8_t enc28j60_arch_spi_write(uint8_t data);
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uint8_t enc28j60_arch_spi_read(void);
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void enc28j60_arch_spi_select(void);
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void enc28j60_arch_spi_deselect(void);
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#endif /* ENC28J60_AVR_H */
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