chore(CI): testing codecov

.github/workflows/ci.yml

@@ -63,3 +63,13 @@ jobs:
         echo "===== Decoder self-test ====="
         ./rtlsdr_wsprd -f 2m -c A1XYZ -l AB12CD -r ./signals/refSignalSnr0dB.iq
         ./rtlsdr_wsprd -f 2m -c A1XYZ -l AB12CD -t
+
+    - name: Codecov
+      run: |
+        echo "===== Codecov ====="
+        export EXTRA_CFLAGS="-coverage -O0 -Wall"
+        export EXTRA_LIBS="-coverage"
+        make clean all
+        ./rtlsdr_wsprd -f 2m -c A1XYZ -l AB12CD -t
+        gcov rtlsdr_wsprd.c
+        bash <(curl -s https://codecov.io/bash)

Makefile

@@ -1,6 +1,6 @@
 CC = clang
-CFLAGS = -O3 -std=gnu17
-LIBS = -lusb-1.0 -lrtlsdr -lpthread -lfftw3f -lcurl -lm
+CFLAGS = -std=gnu17 $(EXTRA_CFLAGS)
+LIBS = -lusb-1.0 -lrtlsdr -lpthread -lfftw3f -lcurl -lm $(EXTRA_LIBS)
 
 # Note
 #   gcc is a bit faster that clang on this app