🔨 Single precision float

buildroot/share/PlatformIO/scripts/STM32F1_build_flags.py

@@ -19,7 +19,6 @@ if __name__ == "__main__":
         "-fsigned-char",
         "-fno-move-loop-invariants",
         "-fno-strict-aliasing",
-        "-fsingle-precision-constant",
 
         "--specs=nano.specs",
         "--specs=nosys.specs",

buildroot/share/PlatformIO/scripts/common-cxxflags.py

@@ -14,7 +14,7 @@ if pioutil.is_pio_build():
         # "-Wno-sign-compare",
         "-fno-sized-deallocation"
     ]
-    if "teensy" not in env["PIOENV"]:
+    if "teensy" not in env["PIOENV"] and "esp32" not in env["PIOENV"]:
         cxxflags += ["-Wno-register"]
     env.Append(CXXFLAGS=cxxflags)
     env.Append(CFLAGS=["-Wno-implicit-function-declaration"])