From a0080b249d242527ee775f8b32bd54fbc8b07d40 Mon Sep 17 00:00:00 2001
From: acidburns <neon22@web.de>
Date: Sun, 1 Feb 2026 20:09:44 +0100
Subject: [PATCH] increase lora throughput and improve receiver display

---
 include/config.h   |  2 +-
 src/display_ui.cpp | 21 ++++++++++++++-------
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/include/config.h b/include/config.h
index 250e727..e977193 100644
--- a/include/config.h
+++ b/include/config.h
@@ -49,7 +49,7 @@ constexpr uint8_t PIN_METER_RX = 34;
 #define LORA_FREQUENCY_HZ 433E6
 #endif
 constexpr long LORA_FREQUENCY = LORA_FREQUENCY_HZ;
-constexpr uint8_t LORA_SPREADING_FACTOR = 12;
+constexpr uint8_t LORA_SPREADING_FACTOR = 10;
 constexpr long LORA_BANDWIDTH = 125E3;
 constexpr uint8_t LORA_CODING_RATE = 5;
 constexpr uint8_t LORA_SYNC_WORD = 0x34;
diff --git a/src/display_ui.cpp b/src/display_ui.cpp
index 3df8ecc..ac5a013 100644
--- a/src/display_ui.cpp
+++ b/src/display_ui.cpp
@@ -312,7 +312,15 @@ static void render_receiver_sender(uint8_t index) {
   display.setCursor(0, 0);
   uint8_t bat = status.has_data ? status.last_data.battery_percent : 0;
   if (status.has_data) {
-    display.printf("%s B%u", status.last_data.device_id, bat);
+    const char *device_id = status.last_data.device_id;
+    if (strlen(device_id) >= 4 && strncmp(device_id, "dd3-", 4) == 0) {
+      device_id += 4;
+    }
+    if (status.last_data.link_valid) {
+      display.printf("%s R:%d S:%.1f", device_id, status.last_data.link_rssi_dbm, status.last_data.link_snr_db);
+    } else {
+      display.printf("%s B%u", device_id, bat);
+    }
   } else {
     display.printf("%s B--", status.last_data.device_id);
   }
@@ -342,11 +350,7 @@ static void render_receiver_sender(uint8_t index) {
   display.setCursor(0, 48);
   display.printf("L2 %.0fW", status.last_data.phase_power_w[1]);
   display.setCursor(0, 56);
-  if (status.last_data.link_valid) {
-    display.printf("R:%d S:%.1f", status.last_data.link_rssi_dbm, status.last_data.link_snr_db);
-  } else {
-    display.printf("L3 %.0fW", status.last_data.phase_power_w[2]);
-  }
+  display.printf("L3 %.0fW", status.last_data.phase_power_w[2]);
   display.display();
 }
 
@@ -368,7 +372,10 @@ void display_tick() {
   bool ctrl_high = digitalRead(PIN_OLED_CTRL) == HIGH;
 
   bool in_boot_window = (millis() - g_boot_ms) < OLED_AUTO_OFF_MS;
-  if (in_boot_window) {
+  if (g_role == DeviceRole::Receiver) {
+    g_oled_on = true;
+    g_oled_off_start = 0;
+  } else if (in_boot_window) {
     g_oled_on = true;
   } else {
     if (ctrl_high) {