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firmware/console/eficonsole.cpp

@@ -51,6 +51,14 @@ static void printUid() {
 }
 #endif
 
+/*
+ * I was a little bit surprised that we declare __attribute__((weak)) before returning type in a function definition.
+ * In the most sources this declaration is placed either before function name or after function parentheses, see:
+ * - https://gcc.gnu.org/onlinedocs/gcc-4.0.0/gcc/Function-Attributes.html#Function-Attributes
+ * - https://en.wikipedia.org/wiki/Weak_symbol
+ * But it looks like our manner of __attribute__((weak)) declaration works at well, and I hope it will not cause
+ * problems in the future.
+ */
 BOARD_WEAK void boardSayHello() {
 }