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return Arduino platform ESP arch support to tree

This commit is contained in:
Kevin Matz 2021-05-28 14:04:55 -04:00
parent 8bb08d728d
commit 76eca2aebf
2 changed files with 136 additions and 0 deletions

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/*
receiver-esp.cpp
Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "sacn-receiver.h"
// ESP logging module
#include <Arduino.h>
#include <esp_log.h>
static const char* TAG = "EspReceiver";
namespace SACN {
EspReceiver::EspReceiver(UUID::uuid cid)
: Receiver(cid)
{
udp.onPacket(std::bind(&EspReceiver::UdpStreamHandler, this,
std::placeholders::_1));
}
void EspReceiver::subscribe(const uint16_t num) {
if (universe(num)) // already subscribed
return;
ESP_LOGI(TAG, "Subscribing to universe # %d", num);
Receiver::subscribe(num);
// listen multicast; works for unicast too
udp.listenMulticast(IPv4MulticastAddress(num),
ACN_SDT_MULTICAST_PORT);
}
void EspReceiver::unsubscribe(const uint16_t num) {
if (!universe(num)) // not subscribed
return;
ESP_LOGI(TAG, "Unubscribing from universe # %d", num);
Receiver::unsubscribe(num);
// AsyncUDP has no way to unsubscribe IGMP?
}
void EspReceiver::UdpStreamHandler(AsyncUDPPacket udp_packet) {
// Expecting IANA registered Session Data Transport traffic
if (!udp_packet.localPort() == ACN_SDT_MULTICAST_PORT)
return;
// wrap a PDU io stream around the AsyncUDPPacket data buffer
PDU::Stream stream(new PDU::pdu_stream(udp_packet.data(),
udp_packet.available()));
Appliance::UdpStreamHandler(stream);
}
} // SACN

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/*
receiver-esp.h
Copyright (c) 2020 Kevin Matz (kevin.matz@gmail.com)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#pragma once
#include <Arduino.h>
#include <IPAddress.h>
#include <IPv6Address.h>
#include <AsyncUDP.h>
#include "../../../sacn/receiver.h"
#include "../../../dmx/universe.h"
/*
Arduino specification additions to the sACN library
*/
namespace SACN {
// 9.3.1 Allocation of IPv4 Multicast Addresses
// Multicast addresses are from the IPv4 Local Scope.
inline IPAddress IPv4MulticastAddress(uint16_t universe) {
return IPAddress(239, 255, (universe >> 8), (universe & 0xff));
};
// 9.3.2 Allocation of IPv6 Multicast Addresses
inline IPv6Address IPv6MulticastAddress(uint16_t universe) {
IPv6Address address;
address.fromString("ff18::83:00:" +
String(universe >> 8, HEX) + ":" +
String(universe & 0xff, HEX));
return address;
};
class EspReceiver
: public SACN::Receiver
{
public:
EspReceiver(UUID::uuid = UUID::uuid());
virtual void subscribe(const uint16_t universe = 1);
virtual void unsubscribe(const uint16_t);
private:
AsyncUDP udp; // AsyncUDP
void UdpStreamHandler(AsyncUDPPacket); // UDP packet parser callback
};
} // SACN