From a3e808caaa1e6bc4dd62ae49d59edf056f7f9805 Mon Sep 17 00:00:00 2001
From: Eric Duminil <eric.duminil@gmail.com>
Date: Wed, 16 Feb 2022 17:03:09 +0100
Subject: [PATCH] Note
---
ampel-firmware/lorawan.cpp | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/ampel-firmware/lorawan.cpp b/ampel-firmware/lorawan.cpp
index c64819b..818c81c 100644
--- a/ampel-firmware/lorawan.cpp
+++ b/ampel-firmware/lorawan.cpp
@@ -104,13 +104,21 @@ namespace lorawan {
u1_t nwkKey[16];
u1_t artKey[16];
LMIC_getSessionKeys(&netid, &devaddr, nwkKey, artKey);
+ /**
+ * NOTE: This is experimental. Saving session to EEPROM seems like a good idea at first,
+ * to avoid joining every time the Ampel is started.
+ * But many other infos are needed too (e.g. a counter), and it wouldn't be wise
+ * to save the whole configuration every time data is sent via EEPROM.
+ *
+ * config::lora_session_saved can be set to false, and the Ampel will try to join again next time.
+ */
config::lora_session_saved = true;
config::lora_netid = netid;
config::lora_devaddr = devaddr;
memcpy(config::lorawan_nwk_key, nwkKey, 16);
memcpy(config::lorawan_art_key, artKey, 16);
config::save();
- //NOTE: Saving session to EEPROM seems like a good idea at first, but unfortunately: too much info is needed, and a counter would need to be save every single time data is sent.
+
Serial.print(F(" netid: "));
Serial.println(netid, DEC);
Serial.print(F(" devaddr: "));
--
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