project: Flush stdout on print from build python script.

Author: microbit-carlos

build_all.py

@@ -41,7 +41,7 @@ def clean_build(root_dir, hex_name, build_flags={}):
     os.environ["CXXFLAGS"] = ""
     for flag, value in build_flags.items():
         os.environ["CXXFLAGS"] += f" -D{flag}={value}"
-    print(f"\n{'#' * 80}\n# Building: {hex_name}\n{'#' * 80}")
+    print(f"\n{'#' * 80}\n# Building: {hex_name}\n{'#' * 80}", flush=True)
     # build() exits if any system call returns a non-zero exit code
     build(clean=True, verbose=False, parallelism=os.cpu_count())
 

source/main.cpp

@@ -312,7 +312,7 @@ int main() {
                 uBit.serial.send((uint8_t *)serial_data, serial_str_length, SYNC_SLEEP);
                 uBit.display.print(IMG_RUNNING);
             } else {
-                // Stale data, blink the waiting image until new data is received
+                // No new data received, blink the waiting image
                 static bool blink = true;
                 static uint32_t blink_count = 0;
                 if (blink_count++ % 30 == 0) {