38 lines
844 B
Markdown
38 lines
844 B
Markdown
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# espasyncudplistener
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ESP32 async udp listener
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## Example usage
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```C++
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#include <esp_log.h>
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#include <espwifiutils.h>
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#include <asyncudplistener.h>
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namespace {
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constexpr const char * const TAG = "MYAPP";
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} // namespace
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AsyncUdpListener udpListener;
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void setup()
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{
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constexpr const uint16_t listeningPort = 1234;
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if (!udpListener.listen(listeningPort))
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ESP_LOGE(TAG, "could not start listening on udp (port=%i)", listeningPort);
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}
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void handleUdpPacket(const UdpPacketWrapper &packet)
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{
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ESP_LOGI(TAG, "udp response from %s : \"%.*s\"",
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wifi_stack::toString(packet.remoteAddr()).c_str(),
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packet.data().size(), packet.data().data());
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// TODO: further processing of packet
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}
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void handleUdpPackets()
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{
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while (const auto &packet = udpListener.poll())
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handleUdpPacket(*packet);
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}
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```
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