Add Notepad app (#1010)

* easier 'now', start adding text editor

* Adding scrolling to notepad

* Better scrolling

* Better scrolling, off-by-1 bugs

* MVP fit and finish

* Add tiny font and use in Notepad

* Font tweaking, tiny font cursor

* Fix warning

* Format changed files

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Co-authored-by: kallanreed <kallanreed@outlook.com>

firmware/application/rtc_time.hpp

@@ -24,12 +24,21 @@
 
 #include "signal.hpp"
 
+#include "lpc43xx_cpp.hpp"
+using namespace lpc43xx;
+
 namespace rtc_time {
 
 extern Signal<> signal_tick_second;
 
 void on_tick_second();
 
+/* Returns the current RTCTime from the RTC. */
+rtc::RTC now();
+
+/* Returns the current RTCTime from the RTC. */
+rtc::RTC now(rtc::RTC& out_datetime);
+
 } /* namespace rtc_time */
 
 #endif /*__RTC_TIME_H__*/