From 830fa4b755aac0eb2086eb3b5dbdd59dcd58b230 Mon Sep 17 00:00:00 2001
From: Joel Bodenmann <joel.bodenmann@hevs.ch>
Date: Sat, 13 Oct 2012 19:11:37 +0200
Subject: [PATCH] #error optimization

---
 drivers/gdisp/S6D1121/s6d1121_lld.c.h | 3 ---
 drivers/gdisp/SSD1289/ssd1289_lld.c.h | 3 ---
 include/gdisp.h                       | 4 ++++
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gdisp/S6D1121/s6d1121_lld.c.h b/drivers/gdisp/S6D1121/s6d1121_lld.c.h
index 6cc3017b..9d7223a9 100644
--- a/drivers/gdisp/S6D1121/s6d1121_lld.c.h
+++ b/drivers/gdisp/S6D1121/s6d1121_lld.c.h
@@ -172,9 +172,6 @@
 
 #elif defined(GDISP_USE_SPI)
 	#error "gdispS6d1121: GDISP_USE_SPI not implemented yet"
-
-#else
-	#error "gdispS6d1121: No known GDISP_USE_XXX has been defined"
 #endif
 
 static void lld_lcdSetCursor(coord_t x, coord_t y) {
diff --git a/drivers/gdisp/SSD1289/ssd1289_lld.c.h b/drivers/gdisp/SSD1289/ssd1289_lld.c.h
index 025ef6e7..8b7aef15 100644
--- a/drivers/gdisp/SSD1289/ssd1289_lld.c.h
+++ b/drivers/gdisp/SSD1289/ssd1289_lld.c.h
@@ -250,9 +250,6 @@
 
 #elif defined(GDISP_USE_SPI)
 	#error "gdispSsd1289: GDISP_USE_SPI not implemented yet"
-
-#else
-	#error "gdispSsd1289: No known GDISP_USE_XXX has been defined"
 #endif
 
 static __inline void lld_lcdDelay(uint16_t us) {
diff --git a/include/gdisp.h b/include/gdisp.h
index 8d79a5d3..b752e8bc 100644
--- a/include/gdisp.h
+++ b/include/gdisp.h
@@ -29,6 +29,10 @@
 
 #if HAL_USE_GDISP || defined(__DOXYGEN__)
 
+#ifndef GDISP_USE_GPIO || GDISP_USE_FSCM || GDISP_USE_SPI
+	#error "No known GDISP_USE_XXX has been defined"
+#endif
+
 /*===========================================================================*/
 /* Driver constants.														 */
 /*===========================================================================*/