From a638c3cb7993d603ca891fdc4fe665202230e498 Mon Sep 17 00:00:00 2001
From: Dreaded_X <tim@huizinga.dev>
Date: Sun, 27 Aug 2023 04:11:17 +0200
Subject: [PATCH] Send MQTT message on connect and disconnect

---
 src/main.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index 3f5a1b1..6185e24 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -248,7 +248,7 @@ async fn main(spawner: Spawner) {
     config.add_max_subscribe_qos(rust_mqtt::packet::v5::publish_packet::QualityOfService::QoS1);
     config.add_client_id("pico");
     // Leads to InsufficientBufferSize error
-    // config.add_will("pico/test", b"disconnected", false);
+    config.add_will("pico/test", b"disconnected", false);
 
     let mut recv_buffer = [0; 4096];
     let mut write_buffer = [0; 4096];
@@ -259,6 +259,16 @@ async fn main(spawner: Spawner) {
     client.connect_to_broker().await.unwrap();
     info!("MQTT Connected!");
 
+    client
+        .send_message(
+            "pico/test",
+            b"connected",
+            rust_mqtt::packet::v5::publish_packet::QualityOfService::QoS0,
+            false,
+        )
+        .await
+        .unwrap();
+
     // Turn LED off when connected
     control.gpio_set(0, false).await;