Prevent redundant writes and start implementing parser timeout

src/common/common.c

@@ -3,21 +3,8 @@
 
 #include <stdio.h>
 
-static void Puts(const char *str)
-{
-	while (*str != '\0') {
-		USART_Putc(*str++);
-	}
-}
-
-static void PrintArgs(const char *fmt, va_list ap)
-{
-	char msg[256];
-
-	vsnprintf(msg, sizeof(msg), fmt, ap);
-
-	Puts(msg);
-}
+static void Puts(const char *str);
+static void PrintArgs(const char *fmt, va_list ap);
 
 void Print(const char *fmt, ...)
 {
@@ -51,3 +38,19 @@ void Error(const char *fmt, ...)
 
 	// XXX: Force reset?
 }
+
+static void Puts(const char *str)
+{
+	while (*str != '\0') {
+		USART_Putc(*str++);
+	}
+}
+
+static void PrintArgs(const char *fmt, va_list ap)
+{
+	char msg[256];
+
+	vsnprintf(msg, sizeof(msg), fmt, ap);
+
+	Puts(msg);
+}