some config optimizations

.vscode/arduino.json

@@ -1,6 +1,6 @@
 {
     "board": "bsfrance:avr:lora32u4",
-    "sketch": "crossbow\\crossbow.ino",
+    "sketch": "crossbow/crossbow.ino",
     "port": "COM3",
     "output": "../build"
 }

.vscode/c_cpp_properties.json

@@ -13,7 +13,8 @@
             },
             "intelliSenseMode": "msvc-x64",
             "cStandard": "c11",
-            "cppStandard": "c++17"
+            "cppStandard": "c++17",
+            "compilerPath": "/usr/bin/clang"
         },
         {
             "name": "Mac",

crossbow/config.h

@@ -1,12 +1,30 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+/*
+ *  Hardware type. Available types:
+ *  ARDUINO_AVR_FEATHER32U4
+ *  ARDUINO_SAMD_FEATHER_M0
+ */
+#define ARDUINO_AVR_FEATHER32U4
+
+/*
+ * TX or RX mode for hardware. Available types:
+ * DEVICE_MODE_TX
+ * DEVICE_MODE_RX
+ */
 #define DEVICE_MODE_TX
 // #define DEVICE_MODE_RX
 
-#define FEATURE_TX_OLED
+// #define FEATURE_TX_OLED
 // #define FORCE_TX_WITHOUT_INPUT
-// #define FEATURE_TX_INPUT_PPM
+
+/*
+ * Default mode of TX data input: SBUS
+ * Possible values:
+ * FEATURE_TX_INPUT_PPM
+ * FEATURE_TX_INPUT_SBUS
+ */
 #define FEATURE_TX_INPUT_SBUS
 
 // #define DEBUG_SERIAL

crossbow/configurations/config_tx_sbus.h

@@ -1,7 +1,7 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
-#define DEVICE_MODE_TX
+#define DEVICE_MODE TX
 
 #define FEATURE_TX_OLED
 #define FEATURE_TX_INPUT_SBUS