2018-08-01 17:39:06 +00:00
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/******************************************************************************
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Copyright (c) 2014, Oliver Schmidt
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All rights reserved.
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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 are met:
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* 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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* 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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* Neither the name of the <organization> nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL OLIVER SCHMIDT BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************/
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#ifndef _W5100_H_
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#define _W5100_H_
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#ifndef __APPLE2ENH__
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#error W5100 auto-increment register access requires 65C02.
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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uint16_t w5100_data_request(bool do_send);
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void w5100_data_commit(bool do_send, uint16_t size);
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// After w5100_receive_request() every read operation returns the next byte
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// from the server.
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// After w5100_send_request() every write operation prepares the next byte
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// to be sent to the server.
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extern volatile uint8_t* w5100_data;
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2022-09-14 17:02:41 +00:00
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// Initialize this module after the IP65 TCP/IP stack has been initialized.
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// Return true if the (virtual) W5100 supports DNS Offloading.
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// https://github.com/a2retrosystems/uthernet2/wiki/Virtual-W5100-with-DNS
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bool w5100_init(uint8_t eth_init);
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2018-08-01 17:39:06 +00:00
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// Configure W5100 Ethernet controller with additional information from IP65
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// after the IP65 TCP/IP stack has been configured.
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2022-09-14 17:02:41 +00:00
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void w5100_config(void);
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// Connect to server with IP address <addr> on TCP port <port>.
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// Return true if the connection is established, return false otherwise.
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bool w5100_connect_addr(uint32_t addr, uint16_t port);
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2018-08-01 17:39:06 +00:00
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2022-09-14 17:02:41 +00:00
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// Connect to server with name <name>, <length> on TCP port <port> using
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// DNS Offloading.
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2018-08-01 17:39:06 +00:00
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// Return true if the connection is established, return false otherwise.
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2022-09-14 17:02:41 +00:00
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bool w5100_connect_name(const char* name, uint8_t length, uint16_t port);
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2018-08-01 17:39:06 +00:00
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// Check if still connected to server.
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// Return true if the connection is established, return false otherwise.
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bool w5100_connected(void);
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// Disconnect from server.
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void w5100_disconnect(void);
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// Request to receive data from the server.
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// Return maximum number of bytes to be received by reading from *w5100_data.
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#define w5100_receive_request() w5100_data_request(false)
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// Commit receiving of <size> bytes from server. <size> may be smaller than
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// the return value of w5100_receive_request(). Not commiting at all just
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// makes the next request receive the same data again.
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#define w5100_receive_commit(size) w5100_data_commit(false, (size))
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// Request to send data to the server.
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// Return maximum number of bytes to be send by writing to *w5100_data.
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#define w5100_send_request() w5100_data_request(true)
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// Commit sending of <size> bytes to server. <size> is usually smaller than
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// the return value of w5100_send_request(). Not commiting at all just turns
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// the w5100_send_request() - and the writes to *w5100_data - into NOPs.
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#define w5100_send_commit(size) w5100_data_commit(true, (size))
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#endif
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