KBD: Add function to tell if number keys are pressed

openrtx/include/interfaces/keyboard.h

@@ -71,6 +71,12 @@ static const uint8_t kbd_num_keys = 29;
  */
 static const uint16_t kbd_long_interval = OS_CFG_TICK_RATE_HZ * 0.7;
 
+/**
+ * Mask for the numeric keys in a key map
+ * Numeric keys: bit0->bit9 = 0x1FF
+ */
+static const uint32_t kbd_num_mask = 0x1FF;
+
 /**
  * Structure that represents a keyboard event payload
  * The maximum size of an event payload is 30 bits

openrtx/src/ui.c

@@ -432,6 +432,11 @@ bool _ui_drawLowBatteryScreen()
     return true;
 }
 
+bool _kbd_number_pressed(kbd_msg_t msg)
+{
+    return msg.keys & kbd_num_mask;
+}
+
 void ui_updateFSM(event_t event, bool *sync_rtx)
 {
     // Check if battery has enough charge to operate