ShineLAN-X: Growatt-Präfix aus Ordnername entfernt
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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co-authored by
Claude Sonnet 4.6
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commit
9b61f9780d
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/*
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UIPUdp.h - Arduino implementation of a uIP wrapper class.
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Copyright (c) 2013 Norbert Truchsess <norbert.truchsess@t-online.de>
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All rights reserved.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef UIPUDP_H
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#define UIPUDP_H
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#include <Arduino.h>
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#include <Udp.h>
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#include "utility/mempool.h"
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extern "C" {
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#include "utility/uip.h"
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}
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#define UIP_UDP_MAXDATALEN 1500
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#define UIP_UDP_PHYH_LEN UIP_LLH_LEN+UIP_IPUDPH_LEN
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#define UIP_UDP_MAXPACKETSIZE UIP_UDP_MAXDATALEN+UIP_UDP_PHYH_LEN
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typedef struct {
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memhandle packet = NOBLOCK;
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uip_ipaddr_t remote_ip;
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uint16_t remote_port = 0;
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} uip_udp_msg_rec_t;
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typedef struct {
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memaddress out_pos;
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uip_udp_msg_rec_t packet_next[UIP_UDP_BACKLOG];
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memhandle packet_in = NOBLOCK;
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memhandle packet_out = NOBLOCK;
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boolean send;
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uip_ipaddr_t remote_ip;
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uint16_t remote_port = 0;
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} uip_udp_userdata_t;
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class EthernetUDP : public UDP
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{
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private:
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struct uip_udp_conn *_uip_udp_conn;
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uip_udp_userdata_t appdata;
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public:
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EthernetUDP(); // Constructor
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uint8_t
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begin(uint16_t);// initialize, start listening on specified port. Returns 1 if successful, 0 if there are no sockets available to use
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void
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stop(); // Finish with the UDP socket
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// Sending UDP packets
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// Start building up a packet to send to the remote host specific in ip and port
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// Returns 1 if successful, 0 if there was a problem with the supplied IP address or port
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int
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beginPacket(IPAddress ip, uint16_t port);
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// Start building up a packet to send to the remote host specific in host and port
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// Returns 1 if successful, 0 if there was a problem resolving the hostname or port
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int
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beginPacket(const char *host, uint16_t port);
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// Finish off this packet and send it
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// Returns 1 if the packet was sent successfully, 0 if there was an error
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int
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endPacket();
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// Write a single byte into the packet
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size_t
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write(uint8_t);
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// Write size bytes from buffer into the packet
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size_t
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write(const uint8_t *buffer, size_t size);
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// flush() should send the data, but here endPacket does it
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void
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flush() {}; // in Print it is empty, UDP makes it pure virtual
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using Print::write;
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// Start processing the next available incoming packet
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// Returns the size of the packet in bytes, or 0 if no packets are available
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int
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parsePacket();
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// Number of bytes remaining in the current packet
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int
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available();
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// Read a single byte from the current packet
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int
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read();
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// Read up to len bytes from the current packet and place them into buffer
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// Returns the number of bytes read, or 0 if none are available
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int
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read(unsigned char* buffer, size_t len);
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// Read up to len characters from the current packet and place them into buffer
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// Returns the number of characters read, or 0 if none are available
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int
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read(char* buffer, size_t len)
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{
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return read((unsigned char*) buffer, len);
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}
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;
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// Return the next byte from the current packet without moving on to the next byte
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int
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peek();
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void
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discardReceived(); // former flush
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// Return the IP address of the host who sent the current incoming packet
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IPAddress
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remoteIP();
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// Return the port of the host who sent the current incoming packet
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uint16_t
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remotePort();
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private:
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friend void uipudp_appcall(void);
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friend class UIPEthernetClass;
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static void _send(struct uip_udp_conn *uip_udp_conn);
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static uint8_t _newBlock(uip_udp_msg_rec_t* blocks);
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static void _moveBlocks(uip_udp_msg_rec_t* blocks);
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static void _flushBlocks(uip_udp_msg_rec_t* blocks);
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};
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#endif
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