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use persistent connection for polling

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adnidor
2020-03-18 12:18:29 +01:00
parent ffc9accb6c
commit 12169da8bd
1 changed files with 26 additions and 29 deletions
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55
mpdclient.ino
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@@ -22,7 +22,7 @@ Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);
const char* ssid = "hiddennetworkforchromecast"; const char* ssid = "hiddennetworkforchromecast";
const char* password = "raisingelephantsissoutterlyboring"; const char* password = "raisingelephantsissoutterlyboring";
WiFiClient espClient; WiFiClient songinfoClient;
struct song_info { struct song_info {
String title; String title;
@@ -266,37 +266,34 @@ int get_player_info(player_info* player_info) {
} }
int get_song_info(song_info* song_info) { int get_song_info(song_info* song_info) {
WiFiClient client; if (!songinfoClient.connected()) {
Serial.println("reconnect");
if (!songinfoClient.connect(MPDHOST, MPDPORT)) {
display_error("mpd connect failed");
Serial.println("mpd connect failed");
songinfoClient.stop();
return 1;
}
}
if (client.connect(MPDHOST, MPDPORT)) { songinfoClient.print("currentsong\n");
Serial.println("connected");
client.print("currentsong\n");
while (client.connected() || client.available()) while (songinfoClient.connected() || songinfoClient.available())
{ {
if (client.available()) if (songinfoClient.available())
{ {
String line = client.readStringUntil('\n'); String line = songinfoClient.readStringUntil('\n');
if (line.startsWith("Title: ")) { if (line.startsWith("Title: ")) {
song_info->title = line.substring(7); song_info->title = line.substring(7);
}
else if (line.startsWith("Artist: ")) {
song_info->artist = line.substring(8);
}
else if (line.equals("OK")) {
client.stop();
}
}
} }
else if (line.startsWith("Artist: ")) {
client.stop(); song_info->artist = line.substring(8);
Serial.println("connection done"); }
} else if (line.equals("OK")) {
else { break;
display_error("mpd connect failed"); }
client.stop(); }
return 1; }
}
return 0; return 0;
} }