Change clock crystal to 18.432 MHz

tsb/clock.hpp

@@ -1,4 +1,4 @@
 #pragma once
 
-#define F_CPU 16000000
+#define F_CPU 18'432'000
 #include <util/delay.h>

tsb/main.cpp

@@ -12,7 +12,7 @@ constexpr auto REQUEST_CMD = '?';
 constexpr auto CONFIRM_CMD = '!';
 constexpr auto AUTO_BAUDING_CMD = '@';
 
-using uart_interface = uart::Hardware0<uart::Config<38400>, uart::Driven::BLOCKING>;
+using uart_interface = uart::Hardware0<uart::Config<115200>, uart::Driven::BLOCKING>;
 
 enum class State {
 	WAITING,