Switch to stdbool.h

- Add `#include <stdbool.h> to all files previously using the
   `TRUE`/`FALSE` macros
 - Replace all instances of `TRUE`/`FALSE` with `true`/`false`,
   respectively
 - Definitions of `TRUE`/`FALSE` macros retained in wiringPi.h for compatibility.

devLib/lcd.c

@@ -27,16 +27,12 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdarg.h>
+#include <stdbool.h>
 
 #include <wiringPi.h>
 
 #include "lcd.h"
 
-#ifndef	TRUE
-#  define	TRUE	(1==1)
-#  define	FALSE	(1==2)
-#endif
-
 // HD44780U Commands
 
 #define	LCD_CLEAR	0x01
@@ -483,9 +479,9 @@ int lcdInit (const int rows, const int cols, const int bits,
 
 // Rest of the initialisation sequence
 
-  lcdDisplay     (lcdFd, TRUE) ;
-  lcdCursor      (lcdFd, FALSE) ;
-  lcdCursorBlink (lcdFd, FALSE) ;
+  lcdDisplay     (lcdFd, true) ;
+  lcdCursor      (lcdFd, false) ;
+  lcdCursorBlink (lcdFd, false) ;
   lcdClear       (lcdFd) ;
 
   putCommand (lcd, LCD_ENTRY   | LCD_ENTRY_ID) ;