From b77e74cacd05812e67321b24e00528802a5b7ca1 Mon Sep 17 00:00:00 2001
From: Ben Blazak <benblazak.dev@gmail.com>
Date: Wed, 21 Mar 2012 16:51:42 -0700
Subject: [PATCH] doing something clever with macro prefixes, which didn't work

i'd like to keep it around in the history though, just for fun - :)
---
 src/keyboard/ergodox/teensy-2-0.h | 61 ++++++++++++++++++++-----------
 1 file changed, 40 insertions(+), 21 deletions(-)

diff --git a/src/keyboard/ergodox/teensy-2-0.h b/src/keyboard/ergodox/teensy-2-0.h
index 7415ab0..9e0ce9b 100644
--- a/src/keyboard/ergodox/teensy-2-0.h
+++ b/src/keyboard/ergodox/teensy-2-0.h
@@ -1,36 +1,55 @@
 /* ----------------------------------------------------------------------------
  * ergoDOX controller: Teensy 2.0 specific exports
  * ----------------------------------------------------------------------------
- * Copyright (c) 2012 Ben Blazak
- * Released under The MIT License (MIT) (see "license.md") at
- * <https://github.com/benblazak/ergodox-firmware>
+ * Copyright (c) 2012 Ben Blazak <benblazak.dev@gmail.com>
+ * Released under The MIT License (MIT) (see "license.md")
+ * Project located at <https://github.com/benblazak/ergodox-firmware>
  * ------------------------------------------------------------------------- */
 
 
-#include <avr/io.h>  // for the register macros
-
-
 #ifndef TEENSY_2_0_h
-#define TEENSY_2_0_h
+	#define TEENSY_2_0_h
 
+	#ifndef INCLUDE_PREFIX
+		#define INCLUDE_PREFIX teensy_
+	#endif
 
-// LED control
-#define TEENSY_LED1_ON             (OCR1A = 0xFF)
-#define TEENSY_LED1_OFF            (OCR1A = 0x00)
-#define TEENSY_LED1_SET(n)         (OCR1A = (uint8_t)(n))
-#define TEENSY_LED1_SET_PERCENT(n) (OCR1A = (uint8_t)((n) * 0xFF))
-#define TEENSY_LED2_ON             (OCR1B = 0xFF)
-#define TEENSY_LED2_OFF            (OCR1B = 0x00)
-#define TEENSY_LED2_SET(n)         (OCR1B = (uint8_t)(n))
-#define TEENSY_LED2_SET_PERCENT(n) (OCR1B = (uint8_t)((n) * 0xFF))
-#define TEENSY_LED3_ON             (OCR1C = 0xFF)
-#define TEENSY_LED3_OFF            (OCR1C = 0x00)
-#define TEENSY_LED3_SET(n)         (OCR1C = (uint8_t)(n))
-#define TEENSY_LED3_SET_PERCENT(n) (OCR1C = (uint8_t)((n) * 0xFF))
+	#define prefix(s) INCLUDE_PREFIX##s
+	#define pprefix(s) PRIVATE_INCLUDE_PREFIX##s
 
+	// --------------------------------------------------------------------
 
-void teensy_init(void);
+	#include <avr/io.h>  // for the register macros
 
+	// LED control
+	#define prefix(LED1_ON)             (OCR1A = 0xFF)
+	#define prefix(LED1_OFF)            (OCR1A = 0x00)
+	#define prefix(LED1_SET)(n)         (OCR1A = (uint8_t)(n))
+	#define prefix(LED1_SET_PERCENT)(n) (OCR1A = (uint8_t)((n) * 0xFF))
+	#define prefix(LED2_ON)             (OCR1B = 0xFF)
+	#define prefix(LED2_OFF)            (OCR1B = 0x00)
+	#define prefix(LED2_SET)(n)         (OCR1B = (uint8_t)(n))
+	#define prefix(LED2_SET_PERCENT)(n) (OCR1B = (uint8_t)((n) * 0xFF))
+	#define prefix(LED3_ON)             (OCR1C = 0xFF)
+	#define prefix(LED3_OFF)            (OCR1C = 0x00)
+	#define prefix(LED3_SET)(n)         (OCR1C = (uint8_t)(n))
+	#define prefix(LED3_SET_PERCENT)(n) (OCR1C = (uint8_t)((n) * 0xFF))
+
+	// --------------------------------------------------------------------
+
+	#ifdef PRIVATE_INCLUDE_PREFIX
+
+		void pprefix(init)(void)
+			__attribute__((alias ("teensy_init")));
+
+	#endif
+
+	// --------------------------------------------------------------------
+
+	#undef prefix
+	#undef pprefix
+	#undef INCLUDE_PREFIX
+	#undef PRIVATE_INCLUDE_PREFIX
 
 #endif