9be3848491
A device driver based on drivers/net/skeleton.c, which uses the W5500 in MACRAW mode (i.e. bypassing the integrated protocol stack). Signed-off-by: Michael Jung <michael.jung@secore.ly>
91 lines
3.3 KiB
C
91 lines
3.3 KiB
C
/****************************************************************************
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* include/nuttx/net/w5500.h
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* WIZnet W5500 Ethernet Controller
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_NET_W5500_H
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#define __INCLUDE_NUTTX_NET_W5500_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/spi/spi.h>
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef CONFIG_NET_W5500
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* This structure describes the lower-half interface provided by board-
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* specific logic.
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*/
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struct w5500_lower_s
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{
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uint32_t frequency; /* Frequency to use with SPI_SETFREQUENCY() */
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uint16_t spidevid; /* Index used with SPIDEV_ETHERNET() macro */
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enum spi_mode_e mode; /* SPI more for use with SPI_SETMODE() */
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/* Lower-half callbacks:
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*
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* attach() - Attach the W5500 interrupt to the driver interrupt handler.
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* enable() - Enable or disable the W5500 interrupt.
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* reset() - Set the RSTn pin to the provided state.
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*/
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int (*attach)(FAR const struct w5500_lower_s *lower, xcpt_t handler,
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FAR void *arg);
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void (*enable)(FAR const struct w5500_lower_s *lower, bool enable);
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void (*reset)(FAR const struct w5500_lower_s *lower, bool reset);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: w5500_initialize
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*
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* Description:
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* Initialize the Ethernet controller and driver
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*
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* Parameters:
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* spi - A reference to the platform's SPI driver for the W5500.
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* lower - The lower half driver instance for this W5500 chip.
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* devno - If more than one W5500 is supported, then this is the
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* zero based number that identifies the W5500.
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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* Assumptions:
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*
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****************************************************************************/
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int w5500_initialize(FAR struct spi_dev_s *spi_dev,
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FAR const struct w5500_lower_s *lower,
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unsigned int devno);
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#endif /* CONFIG_NET_W5500 */
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#endif /* __INCLUDE_NUTTX_NET_W5500_H */
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