From 49926786fe5207225c5b9baf304ff36c0c8a3162 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@redyak.com.au>
Date: Tue, 13 Feb 2024 16:10:59 +1100
Subject: [PATCH] lora sx127x: Implement missing syncword support.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
---
 micropython/lora/lora-sx127x/lora/sx127x.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/micropython/lora/lora-sx127x/lora/sx127x.py b/micropython/lora/lora-sx127x/lora/sx127x.py
index 3f94aaf0c..0226c9696 100644
--- a/micropython/lora/lora-sx127x/lora/sx127x.py
+++ b/micropython/lora/lora-sx127x/lora/sx127x.py
@@ -519,6 +519,9 @@ def configure(self, lora_cfg):
 
         self._reg_update(_REG_MODEM_CONFIG3, update_mask, modem_config3)
 
+        if "syncword" in lora_cfg:
+            self._reg_write(_REG_SYNC_WORD, lora_cfg["syncword"])
+
     def _reg_write(self, reg, value):
         self._cs(0)
         if isinstance(value, int):