default to MQTT_PROTOCOL_LEVEL 4
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@ -119,13 +119,13 @@ int8_t Adafruit_MQTT::connect() {
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// Connect to the server.
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if (!connectServer())
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return -1;
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// Construct and send connect packet.
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uint8_t len = connectPacket(buffer);
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if (!sendPacket(buffer, len))
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return -1;
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// Read connect response packet and verify it
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// Read connect response packet and verify it
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len = readPacket(buffer, 4, CONNECT_TIMEOUT_MS);
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if (len != 4)
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return -1;
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@ -143,7 +143,7 @@ int8_t Adafruit_MQTT::connect() {
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uint8_t len = subscribePacket(buffer, subscriptions[i]->topic, subscriptions[i]->qos);
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if (!sendPacket(buffer, len))
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return -1;
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// Get SUBACK
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len = readPacket(buffer, 5, CONNECT_TIMEOUT_MS);
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DEBUG_PRINT(F("SUBACK:\t"));
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@ -29,7 +29,7 @@
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#endif
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// Uncomment/comment to turn on/off debug output messages.
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//#define MQTT_DEBUG
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#define MQTT_DEBUG
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// Set where debug messages will be printed.
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#define DEBUG_PRINTER Serial
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@ -45,7 +45,9 @@
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#define DEBUG_PRINTBUFFER(buffer, len) {}
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#endif
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#define MQTT_PROTOCOL_LEVEL 3
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#ifndef MQTT_PROTOCOL_LEVEL
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#define MQTT_PROTOCOL_LEVEL 4
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#endif
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#define MQTT_CTRL_CONNECT 0x01
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#define MQTT_CTRL_CONNECTACK 0x02
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