Use stdint.h to define the basic types.

libmaple/include/libmaple/libmaple_types.h

@@ -37,15 +37,17 @@
 extern "C" {
 #endif
 
-typedef unsigned char uint8;
-typedef unsigned short uint16;
-typedef unsigned int uint32;
-typedef unsigned long long uint64;
+#include <stdint.h>
 
-typedef signed char int8;
-typedef short int16;
-typedef int int32;
-typedef long long int64;
+typedef uint8_t uint8;
+typedef uint16_t uint16;
+typedef uint32_t uint32;
+typedef uint64_t uint64;
+
+typedef int8_t int8;
+typedef int16_t int16;
+typedef int32_t int32;
+typedef int64_t int64;
 
 typedef void (*voidFuncPtr)(void);
 typedef void (*voidArgumentFuncPtr)(void *);