nes-proj/platform/avr-rss2/dev/enc28j60_avr.h

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/*
* Copyright (c) 2012-2013, Robert Olsson <robert@radio-sensors.com>
* 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.
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 HOLDER 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.
*
*/
#ifndef ENC28J60_AVR_H
#define ENC28J60_AVR_H
#define SPI_DDR DDRB /* Data Direction Register: Port B */
#define SPI_PORT PORTB /* Serial Peripheral Interface */
#define SPI_MOSI 2 /* PB2: Master Out Slave In */
#define SPI_MISO 3 /* PB3: Master In Slave out */
#define SPI_SCK 1 /* PB1: Serial Clock */
#define CS_SPI_DDR DDRD /* Data Direction Register: Port B */
#define CS_SPI_PORT PORTD /* Serial Peripheral Interface */
#define SPI_CS 6 /* PD6: OW2_PIN, Chip Select */
/* AVR specific's for enc28j60 */
void enc28j60_arch_spi_init(void);
uint8_t enc28j60_arch_spi_write(uint8_t data);
uint8_t enc28j60_arch_spi_read(void);
void enc28j60_arch_spi_select(void);
void enc28j60_arch_spi_deselect(void);
#endif /* ENC28J60_AVR_H */