display frequency band and sub band correctly even if they change in configuration

2 files changed, 9 insertions, 7 deletions

diff --git a/Mode/ModeJoin.cpp b/Mode/ModeJoin.cpp
index 681147b..3dc3c07 100644
--- a/Mode/ModeJoin.cpp
+++ b/Mode/ModeJoin.cpp
@@ -96,8 +96,10 @@ void ModeJoin::display() {
         _join.updateId(_dot->getNetworkName());
         _join.updateKey(_dot->getNetworkPassphrase());
     }
-    if (_band == mDot::FB_915)
+    if (_band == mDot::FB_915) {
+        _sub_band = _dot->getFrequencySubBand();
         _join.updateFsb(_sub_band);
+    }
     // mDot::DataRateStr returns format SF_XX - we only want to display the XX part
     _join.updateRate(_dot->DataRateStr(_data_rate).substr(3));
     _join.updatePower(_power);
diff --git a/main.cpp b/main.cpp
index b22def3..b63c61b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -112,19 +112,16 @@ int main() {
 void mainMenu() {
     bool mode_selected = false;
     std::string selected;
-    std::string product = "MTDOT-BOX/EVB ";
+    std::string product;
     
-    product += mDot::FrequencyBandStr(dot->getFrequencyBand()).substr(3);
-
     typedef enum {
-        demo = 2,
+        demo = 1,
         config,
         single,
         sweep
     } menu_items;
 
     std::string menu_strings[] = {
-        product,
         "Select Mode",
         "LoRa Demo",
         "Configuration",
@@ -139,10 +136,13 @@ void mainMenu() {
     items.push_back(menu_strings[sweep]);
 
     while (true) {
+        product = "MTDOT-BOX/EVB ";
+        product += mDot::FrequencyBandStr(dot->getFrequencyBand()).substr(3);
+
         // reset session between modes
         dot->resetNetworkSession();
         lora->resetActivityLed();
-        LayoutScrollSelect menu(lcd, items, menu_strings[0], menu_strings[1]);
+        LayoutScrollSelect menu(lcd, items, product, menu_strings[0]);
         menu.display();
 
         while (! mode_selected) {