minor fix

[hackover2013-badge-firmware.git] / sysdefs.h

diff --git a/sysdefs.h b/sysdefs.h
index bf79c8e..9b786b4 100644 (file)
--- a/sysdefs.h
+++ b/sysdefs.h
@@ -45,8 +45,13 @@
 
 // Stay compatible with ugly "windows" style
 #define BOOL bool
+
+#ifndef TRUE
 #define TRUE true
+#endif
+#ifndef FALSE
 #define FALSE false
+#endif
 
 typedef volatile uint8_t REG8;
 typedef volatile uint16_t REG16;