From 1bf293803faa8e1a3a2d98a4e80ddb19bc2b35e1 Mon Sep 17 00:00:00 2001
From: Ohad Lutzky <ohad@lutzky.net>
Date: Sat, 21 Aug 2021 10:07:57 +0100
Subject: [PATCH] Add customizable DHCP hostname

---
 src/config.default.h |  2 ++
 src/src.ino          | 13 +++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/config.default.h b/src/config.default.h
index d0dbe8c..a170c2f 100644
--- a/src/config.default.h
+++ b/src/config.default.h
@@ -22,6 +22,8 @@
 #define WIFI_SSID ""
 // Wi-Fi password (required)
 #define WIFI_PASSWORD ""
+// Wi-Fi hostname (for DHCP, uncomment if non-default desired)
+// #define WIFI_HOSTNAME "my_host_name"
 // Wi-Fi static IPv4 address enabled or disabled (disable for DHCPv4)
 #define WIFI_IPV4_STATIC false
 // Wi-Fi static IPv4 address
diff --git a/src/src.ino b/src/src.ino
index 1bd045c..e7c5046 100644
--- a/src/src.ino
+++ b/src/src.ino
@@ -44,6 +44,7 @@ void setup_dht_sensor() {
 }
 
 void setup_wifi() {
+    WiFi.mode(WIFI_STA);
     char message[128];
     snprintf(message, 128, "Wi-Fi SSID: %s", WIFI_SSID);
     log(message);
@@ -70,6 +71,18 @@ void setup_wifi() {
     }
 
     log("Wi-Fi connecting ...");
+    #ifdef WIFI_HOSTNAME
+      snprintf(message, 128, "Initial hostname: %s", WiFi.hostname().c_str());
+      log(message);
+      log("Requesting hostname " WIFI_HOSTNAME);
+      if (!WiFi.hostname(WIFI_HOSTNAME)) {
+        log("Hostname request failed");
+      } else {
+        log("Hostname request succeeded");
+      }
+      snprintf(message, 128, "New hostname: %s", WiFi.hostname().c_str());
+      log(message);
+    #endif
     WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
     while (WiFi.status() != WL_CONNECTED) {
         log("Wi-Fi waiting ...", LogLevel::DEBUG);