From e7df12e40eff9b3785fcab0235c49cb60e566f5f Mon Sep 17 00:00:00 2001
From: Trail Mate Dev <dev@trailmate.local>
Date: Tue, 9 Jun 2026 10:36:33 +0800
Subject: [PATCH] Fix LR1121 radio RX IRQ handling

---
 platform/esp/arduino_common/src/app_tasks.cpp | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/platform/esp/arduino_common/src/app_tasks.cpp b/platform/esp/arduino_common/src/app_tasks.cpp
index 831964a2..a98a2fe2 100644
--- a/platform/esp/arduino_common/src/app_tasks.cpp
+++ b/platform/esp/arduino_common/src/app_tasks.cpp
@@ -33,6 +33,9 @@ uint32_t radio_rx_done_mask()
 #endif
 #if defined(RADIOLIB_SX128X_IRQ_RX_DONE)
     mask |= RADIOLIB_SX128X_IRQ_RX_DONE;
+#endif
+#if defined(ARDUINO_LILYGO_LORA_LR1121) && defined(RADIOLIB_LR11X0_IRQ_RX_DONE)
+    mask |= RADIOLIB_LR11X0_IRQ_RX_DONE;
 #endif
     return mask;
 }
@@ -57,6 +60,17 @@ uint32_t radio_terminal_irq_mask()
 #endif
 #if defined(RADIOLIB_SX128X_IRQ_TIMEOUT)
     mask |= RADIOLIB_SX128X_IRQ_TIMEOUT;
+#endif
+#if defined(ARDUINO_LILYGO_LORA_LR1121)
+#if defined(RADIOLIB_LR11X0_IRQ_CRC_ERR)
+    mask |= RADIOLIB_LR11X0_IRQ_CRC_ERR;
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_HEADER_ERR)
+    mask |= RADIOLIB_LR11X0_IRQ_HEADER_ERR;
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_TIMEOUT)
+    mask |= RADIOLIB_LR11X0_IRQ_TIMEOUT;
+#endif
 #endif
     return mask;
 }
@@ -126,6 +140,26 @@ const char* describe_irq_flags(uint32_t flags, char* buf, size_t len)
 #endif
 #if defined(RADIOLIB_SX128X_IRQ_PREAMBLE_DETECTED)
     append_irq_flag(buf, len, "PREAMBLE", (flags & RADIOLIB_SX128X_IRQ_PREAMBLE_DETECTED) != 0);
+#endif
+#if defined(ARDUINO_LILYGO_LORA_LR1121)
+#if defined(RADIOLIB_LR11X0_IRQ_RX_DONE)
+    append_irq_flag(buf, len, "RX_DONE", (flags & RADIOLIB_LR11X0_IRQ_RX_DONE) != 0);
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_CRC_ERR)
+    append_irq_flag(buf, len, "CRC_ERR", (flags & RADIOLIB_LR11X0_IRQ_CRC_ERR) != 0);
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_HEADER_ERR)
+    append_irq_flag(buf, len, "HEADER_ERR", (flags & RADIOLIB_LR11X0_IRQ_HEADER_ERR) != 0);
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_TIMEOUT)
+    append_irq_flag(buf, len, "TIMEOUT", (flags & RADIOLIB_LR11X0_IRQ_TIMEOUT) != 0);
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID)
+    append_irq_flag(buf, len, "SYNC_HDR", (flags & RADIOLIB_LR11X0_IRQ_SYNC_WORD_HEADER_VALID) != 0);
+#endif
+#if defined(RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED)
+    append_irq_flag(buf, len, "PREAMBLE", (flags & RADIOLIB_LR11X0_IRQ_PREAMBLE_DETECTED) != 0);
+#endif
 #endif
     if (buf[0] == '\0')
     {