1d4d885276
Added E1.31 support Added more realtime options Attempted to fix welcome page not showing on fresh install
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*
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* E131.cpp
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*
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* Project: E131 - E.131 (sACN) library for Arduino
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* Copyright (c) 2015 Shelby Merrick
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* http://www.forkineye.com
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*
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* This program is provided free for you to use in any way that you wish,
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* subject to the laws and regulations where you are using it. Due diligence
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* is strongly suggested before using this code. Please give credit where due.
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*
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* The Author makes no warranty of any kind, express or implied, with regard
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* to this program or the documentation contained in this document. The
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* Author shall not be liable in any event for incidental or consequential
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* damages in connection with, or arising out of, the furnishing, performance
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* or use of these programs.
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*
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*/
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#include "E131.h"
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#include <string.h>
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/* E1.17 ACN Packet Identifier */
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const byte E131::ACN_ID[12] = { 0x41, 0x53, 0x43, 0x2d, 0x45, 0x31, 0x2e, 0x31, 0x37, 0x00, 0x00, 0x00 };
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/* Constructor */
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E131::E131() {
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#ifdef NO_DOUBLE_BUFFER
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memset(pbuff1.raw, 0, sizeof(pbuff1.raw));
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packet = &pbuff1;
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pwbuff = packet;
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#else
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memset(pbuff1.raw, 0, sizeof(pbuff1.raw));
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memset(pbuff2.raw, 0, sizeof(pbuff2.raw));
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packet = &pbuff1;
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pwbuff = &pbuff2;
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#endif
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stats.num_packets = 0;
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stats.packet_errors = 0;
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}
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void E131::initUnicast() {
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udp.begin(E131_DEFAULT_PORT);
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}
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void E131::initMulticast(uint16_t universe, uint8_t n) {
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IPAddress address = IPAddress(239, 255, ((universe >> 8) & 0xff),
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((universe >> 0) & 0xff));
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#ifdef ARDUINO_ARCH_ESP32
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ip4_addr_t ifaddr;
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ip4_addr_t multicast_addr;
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ifaddr.addr = static_cast<uint32_t>(WiFi.localIP());
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for (uint8_t i = 1; i < n; i++) {
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multicast_addr.addr = static_cast<uint32_t>(IPAddress(239, 255,
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(((universe + i) >> 8) & 0xff), (((universe + i) >> 0)
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& 0xff)));
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igmp_joingroup(&ifaddr, &multicast_addr);
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}
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udp.beginMulticast(address, E131_DEFAULT_PORT);
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#else
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ip_addr_t ifaddr;
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ip_addr_t multicast_addr;
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ifaddr.addr = static_cast<uint32_t>(WiFi.localIP());
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for (uint8_t i = 1; i < n; i++) {
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multicast_addr.addr = static_cast<uint32_t>(IPAddress(239, 255,
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(((universe + i) >> 8) & 0xff), (((universe + i) >> 0)
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& 0xff)));
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igmp_joingroup(&ifaddr, &multicast_addr);
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}
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udp.beginMulticast(WiFi.localIP(), address, E131_DEFAULT_PORT);
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#endif
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}
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void E131::begin(e131_listen_t type, uint16_t universe, uint8_t n) {
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if (type == E131_UNICAST)
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initUnicast();
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if (type == E131_MULTICAST)
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initMulticast(universe, n);
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}
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