From 5aafa80fda65a70ced118d7b71457e6adb7a0484 Mon Sep 17 00:00:00 2001
From: Autofix <209348056+Autofix@users.noreply.github.com>
Date: Thu, 19 Feb 2026 17:10:35 +1100
Subject: [PATCH] Increase priority of UART interrupt for ESP32/S2/S3 targets
 only to Priority3 as it was becoming blocked when reading the buffered uart.

---
 src/main.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index cab3ffb..68c0b71 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -66,13 +66,14 @@ async fn main(spawner: Spawner) -> ! {
         .unwrap();
 
     // Set up software buffered UART to run in a higher priority InterruptExecutor
+    // Must be higher priority than esp_rtos (Priority1)
     let uart_buf = UART_BUF.init_with(BufferedUart::new);
     let software_interrupts = SoftwareInterruptControl::new(peripherals.SW_INTERRUPT);
     let interrupt_executor =
         INT_EXECUTOR.init_with(|| InterruptExecutor::new(software_interrupts.software_interrupt0));
     cfg_if::cfg_if! {
         if #[cfg(any(feature = "esp32", feature = "esp32s2", feature = "esp32s3"))] {
-            let interrupt_spawner = interrupt_executor.start(Priority::Priority1);
+            let interrupt_spawner = interrupt_executor.start(Priority::Priority3);
         } else {
             let interrupt_spawner = interrupt_executor.start(Priority::Priority10);
         }