Use Serial1 for for rc on esp32-c3

.github/workflows/build.yml

@@ -25,6 +25,8 @@ jobs:
         path: flix/build
     - name: Build firmware for ESP32-S3
       run: make BOARD=esp32:esp32:esp32s3
+    - name: Build firmware for ESP32-C3
+      run: make BOARD=esp32:esp32:esp32c3
     - name: Check c_cpp_properties.json
       run: tools/check_c_cpp_properties.py
 

flix/rc.ino

@@ -6,7 +6,11 @@
 #include <SBUS.h>
 #include "util.h"
 
+#ifdef ESP32C3
+SBUS rc(Serial1);
+#else
 SBUS rc(Serial2);
+#endif
 
 uint16_t channels[16]; // raw rc channels
 float channelZero[16]; // calibration zero values