From 7488566e3cbe4578b9967fec681bf79547f61324 Mon Sep 17 00:00:00 2001
From: Manuel Bleichenbacher <manuel.bleichenbacher@gmail.com>
Date: Wed, 3 Oct 2018 20:24:18 +0200
Subject: [PATCH] Add more regions, disable class B features

---
 Kconfig               | 15 ++++++++++++---
 esp_idf_lmic_config.h |  6 +++++-
 src/lmic/lmic.c       |  3 ++-
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/Kconfig b/Kconfig
index 5850a92..e4dd4d9 100644
--- a/Kconfig
+++ b/Kconfig
@@ -1,7 +1,7 @@
 menu "The Things Network"
 
 choice TTN_LORA_FREQ
-    prompt "TTN LoRa frequency"
+    prompt "TTN LoRa frequency / region"
     default TTN_LORA_FREQ_DISABLED
     help
         LoRa frequency must match the geographic region the device is operated in.
@@ -11,10 +11,19 @@ config TTN_LORA_FREQ_DISABLED
     bool "LoRa Disabled"
 
 config TTN_LORA_FREQ_EU_868
-    bool "868 MHz (Europe)"
+    bool "Europe (868 MHz)"
 
 config TTN_LORA_FREQ_US_915
-    bool "915 Mhz (North America)"
+    bool "North America (915 Mhz)"
+
+config TTN_LORA_FREQ_AU_921
+    bool "Australia (921 Mhz)"
+
+config TTN_LORA_FREQ_AS_923
+    bool "Asia (923 Mhz)"
+
+config TTN_LORA_FREQ_IN_866
+    bool "India (866 Mhz)"
 
 endchoice
 
diff --git a/esp_idf_lmic_config.h b/esp_idf_lmic_config.h
index ccb5510..2384279 100755
--- a/esp_idf_lmic_config.h
+++ b/esp_idf_lmic_config.h
@@ -58,4 +58,8 @@
 
 #if LMIC_DEBUG_LEVEL > 0 || LMIC_X_DEBUG_LEVEL > 0
 #include <stdio.h>
-#endif
\ No newline at end of file
+#endif
+
+#define DISABLE_PING
+
+#define DISABLE_BEACONS
diff --git a/src/lmic/lmic.c b/src/lmic/lmic.c
index 85970e6..d5d21b1 100755
--- a/src/lmic/lmic.c
+++ b/src/lmic/lmic.c
@@ -1715,7 +1715,8 @@ static void engineUpdate (void) {
 #endif // !DISABLE_JOIN
 
     ostime_t now    = os_getTime();
-    ostime_t rxtime = 0;
+    // ttn-esp32 change: suppress unused variable warning
+    ostime_t __attribute__((unused)) rxtime = 0;
     ostime_t txbeg  = 0;
 
 #if !defined(DISABLE_BEACONS)