48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
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/**
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* @file send-mp3.ino
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* @brief Example of sending an mp3 stream over Serial the AudioTools library.
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* We use xon/xoff to control the flow of the data.
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* I am using an ESP32 Dev Module for the test with the pins TX=17 and RX=16.
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*/
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#include "AudioTools.h"
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#include "AudioTools/Communication/AudioHttp.h"
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URLStream url("ssid", "password"); // or replace with ICYStream to get metadata
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StreamCopy copier(Serial1, url); // copy url to decoder
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// xon/xoff flow control
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const char xon = 17;
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const char xoff = 19;
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bool is_active = false;
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void setup() {
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Error);
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// setup serial data sink
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Serial2.begin(115200);
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// mp3 radio
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url.begin("http://stream.srg-ssr.ch/m/rsj/mp3_128", "audio/mp3");
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}
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// Determine if we can send data from the flow control sent by the receiver
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bool isActive() {
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char c = Serial2.read();
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switch (c) {
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case xon:
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is_active = true;
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break;
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case xoff:
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is_active = false;
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break;
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}
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return is_active;
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}
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void loop() {
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if (isActive()) {
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copier.copy();
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}
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} |