Added type gOrientation to replace V2.x orientation_t, and values gOrientationX replace GDISP_ROTATE_X

52 files changed, 635 insertions, 635 deletions

diff --git a/drivers/gdisp/AlteraFramereader/gdisp_lld_alteraframereader.c b/drivers/gdisp/AlteraFramereader/gdisp_lld_alteraframereader.c
index 57856ee8..d9d32742 100644
--- a/drivers/gdisp/AlteraFramereader/gdisp_lld_alteraframereader.c
+++ b/drivers/gdisp/AlteraFramereader/gdisp_lld_alteraframereader.c
@@ -60,7 +60,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 	g->g.Height = SCREEN_HEIGHT;
 	g->g.Backlight = 100;
 	g->g.Contrast = 50;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->board = 0;
 	PRIV(g)->linelen = g->g.Width * sizeof(LLDCOLOR_TYPE);	// bytes per line
@@ -103,17 +103,17 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay* g)
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -131,17 +131,17 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g)
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -171,12 +171,12 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g)
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -184,9 +184,9 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g)
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -197,7 +197,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g)
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ED060SC4/gdisp_lld_ED060SC4.c b/drivers/gdisp/ED060SC4/gdisp_lld_ED060SC4.c
index 0e2e7599..a77445ba 100644
--- a/drivers/gdisp/ED060SC4/gdisp_lld_ED060SC4.c
+++ b/drivers/gdisp/ED060SC4/gdisp_lld_ED060SC4.c
@@ -448,7 +448,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 100;
 	g->g.Contrast = 100;
@@ -489,25 +489,25 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			bx = g->p.x / EINK_BLOCKWIDTH;
 			dx = g->p.x % EINK_BLOCKWIDTH;
 			by = g->p.y / EINK_BLOCKHEIGHT;
 			dy = g->p.y % EINK_BLOCKHEIGHT;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			bx = g->p.y / EINK_BLOCKWIDTH;
 			dx = g->p.y % EINK_BLOCKWIDTH;
 			by = (GDISP_SCREEN_HEIGHT-1 - g->p.x) / EINK_BLOCKHEIGHT;
 			dy = (GDISP_SCREEN_HEIGHT-1 - g->p.x) % EINK_BLOCKHEIGHT;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			bx = (GDISP_SCREEN_WIDTH-1 - g->p.x) / EINK_BLOCKWIDTH;
 			dx = (GDISP_SCREEN_WIDTH-1 - g->p.x) % EINK_BLOCKWIDTH;
 			by = (GDISP_SCREEN_HEIGHT-1 - g->p.y) / EINK_BLOCKHEIGHT;
 			dy = (GDISP_SCREEN_HEIGHT-1 - g->p.y) % EINK_BLOCKHEIGHT;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			bx = (GDISP_SCREEN_WIDTH-1 - g->p.y) / EINK_BLOCKWIDTH;
 			dx = (GDISP_SCREEN_WIDTH-1 - g->p.y) % EINK_BLOCKWIDTH;
 			by = g->p.x / EINK_BLOCKHEIGHT;
@@ -551,23 +551,23 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
+			case gOrientation180:
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 			
 		default:
diff --git a/drivers/gdisp/Fb24bpp/gdisp_lld_fb24bpp.c b/drivers/gdisp/Fb24bpp/gdisp_lld_fb24bpp.c
index 6aed9809..db6154b7 100644
--- a/drivers/gdisp/Fb24bpp/gdisp_lld_fb24bpp.c
+++ b/drivers/gdisp/Fb24bpp/gdisp_lld_fb24bpp.c
@@ -48,7 +48,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	((fbPriv *)g->priv)->fbi.linelen = 0;
 
 	// Initialize the GDISP structure
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->board = 0;							// preinitialize
 	board_init(g, &((fbPriv *)g->priv)->fbi);
@@ -68,17 +68,17 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -105,17 +105,17 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -149,12 +149,12 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -162,9 +162,9 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -175,7 +175,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/HX8347D/gdisp_lld_HX8347D.c b/drivers/gdisp/HX8347D/gdisp_lld_HX8347D.c
index 14aa981b..b64c05a8 100644
--- a/drivers/gdisp/HX8347D/gdisp_lld_HX8347D.c
+++ b/drivers/gdisp/HX8347D/gdisp_lld_HX8347D.c
@@ -148,7 +148,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -174,10 +174,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	LLDSPEC void gdisp_lld_control(GDisplay *g) {
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, HX8347D_REG_MAC, 0x08);                    /* Memory access control */
 					release_bus(g);
@@ -185,7 +185,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, HX8347D_REG_MAC, 0x68);                    /* Memory access control */
 					release_bus(g);
@@ -193,7 +193,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, HX8347D_REG_MAC, 0xc8);                    /* Memory access control */
 					release_bus(g);
@@ -201,7 +201,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, HX8347D_REG_MAC, 0xa8);                    /* Memory access control */
 					release_bus(g);
@@ -212,7 +212,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI9225/gdisp_lld_ili9225.c b/drivers/gdisp/ILI9225/gdisp_lld_ili9225.c
index 57b2a680..d1e71689 100644
--- a/drivers/gdisp/ILI9225/gdisp_lld_ili9225.c
+++ b/drivers/gdisp/ILI9225/gdisp_lld_ili9225.c
@@ -132,7 +132,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -142,14 +142,14 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, ILI9225_RAM_ADDR_SET1, g->p.x);
 			write_reg(g, ILI9225_RAM_ADDR_SET2, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, ILI9225_RAM_ADDR_SET1, g->p.y);
 			write_reg(g, ILI9225_RAM_ADDR_SET2, g->p.x);
 			break;
@@ -160,16 +160,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, ILI9225_HORIZONTAL_WINDOW_ADDR2, g->p.x);
 			write_reg(g, ILI9225_HORIZONTAL_WINDOW_ADDR1, g->p.x + g->p.cx - 1);
 			write_reg(g, ILI9225_VERTICAL_WINDOW_ADDR2, g->p.y);
 			write_reg(g, ILI9225_VERTICAL_WINDOW_ADDR1, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, ILI9225_HORIZONTAL_WINDOW_ADDR2, g->p.y);
 			write_reg(g, ILI9225_HORIZONTAL_WINDOW_ADDR1, g->p.y + g->p.cy - 1);
 			write_reg(g, ILI9225_VERTICAL_WINDOW_ADDR2, g->p.x);
@@ -190,12 +190,12 @@ LLDSPEC	void gdisp_lld_write_start(GDisplay *g) {
 	// save viewport
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			svx = g->p.x; svy = g->p.y; svcx = g->p.cx; svcy = g->p.cy;
 			break;
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			svx = g->p.y; svy = g->p.x; svcx = g->p.cy; svcy = g->p.cx;
 			break;
 	}
@@ -327,10 +327,10 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 		return;
 
 	case GDISP_CONTROL_ORIENTATION:
-		if (g->g.Orientation == (orientation_t)g->p.ptr)
+		if (g->g.Orientation == (gOrientation)g->p.ptr)
 			return;
-		switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0: // correct
+		switch((gOrientation)g->p.ptr) {
+			case gOrientation0: // correct
 				acquire_bus(g);
 				write_reg(g, ILI9225_DRIVER_OUTPUT_CTRL, 0x011C);
 				write_reg(g, ILI9225_ENTRY_MODE, 0x1030);
@@ -338,7 +338,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_reg(g, ILI9225_DRIVER_OUTPUT_CTRL, 0x031C);
 				write_reg(g, ILI9225_ENTRY_MODE, 0x1038);
@@ -346,7 +346,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_reg(g, ILI9225_DRIVER_OUTPUT_CTRL, 0x021C);
 				write_reg(g, ILI9225_ENTRY_MODE, 0x1030);
@@ -354,7 +354,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_reg(g, ILI9225_DRIVER_OUTPUT_CTRL, 0x001C);
 				write_reg(g, ILI9225_ENTRY_MODE, 0x1038);
@@ -365,7 +365,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 			default:
 				return;
 		}
-		g->g.Orientation = (orientation_t)g->p.ptr;
+		g->g.Orientation = (gOrientation)g->p.ptr;
 		return;
 	case GDISP_CONTROL_BACKLIGHT:
 		if ((unsigned)g->p.ptr > 100)
diff --git a/drivers/gdisp/ILI9320/gdisp_lld_ILI9320.c b/drivers/gdisp/ILI9320/gdisp_lld_ILI9320.c
index 96b12cfd..36bfa5b1 100644
--- a/drivers/gdisp/ILI9320/gdisp_lld_ILI9320.c
+++ b/drivers/gdisp/ILI9320/gdisp_lld_ILI9320.c
@@ -57,14 +57,14 @@
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x20, g->p.x);
 			write_reg(g, 0x21, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x20, g->p.y);
 			write_reg(g, 0x21, g->p.x);
 			break;
@@ -75,16 +75,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x50, g->p.x);
 			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
 			write_reg(g, 0x52, g->p.y);
 			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x50, g->p.y);
 			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
 			write_reg(g, 0x52, g->p.x);
@@ -186,7 +186,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
     /* Initialise the GDISP structure */
     g->g.Width = GDISP_SCREEN_WIDTH;
     g->g.Height = GDISP_SCREEN_HEIGHT;
-    g->g.Orientation = GDISP_ROTATE_0;
+    g->g.Orientation = gOrientation0;
     g->g.Powermode = gPowerOn;
     g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
     g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -310,10 +310,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				return;
 
 			case GDISP_CONTROL_ORIENTATION:
-				if (g->g.Orientation == (orientation_t)g->p.ptr)
+				if (g->g.Orientation == (gOrientation)g->p.ptr)
 					return;
-				switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+				switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -324,7 +324,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -335,7 +335,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -346,7 +346,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -360,7 +360,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 				}
-				g->g.Orientation = (orientation_t)g->p.ptr;
+				g->g.Orientation = (gOrientation)g->p.ptr;
 				return;
 
 	        case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI9325/gdisp_lld_ILI9325.c b/drivers/gdisp/ILI9325/gdisp_lld_ILI9325.c
index 37b25d4d..094870ac 100644
--- a/drivers/gdisp/ILI9325/gdisp_lld_ILI9325.c
+++ b/drivers/gdisp/ILI9325/gdisp_lld_ILI9325.c
@@ -58,14 +58,14 @@
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x20, g->p.x);
 			write_reg(g, 0x21, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x20, g->p.y);
 			write_reg(g, 0x21, g->p.x);
 			break;
@@ -76,16 +76,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay* g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x50, g->p.x);
 			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
 			write_reg(g, 0x52, g->p.y);
 			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x50, g->p.y);
 			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
 			write_reg(g, 0x52, g->p.x);
@@ -184,7 +184,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
     /* Initialise the GDISP structure */
     g->g.Width = GDISP_SCREEN_WIDTH;
     g->g.Height = GDISP_SCREEN_HEIGHT;
-    g->g.Orientation = GDISP_ROTATE_0;
+    g->g.Orientation = gOrientation0;
     g->g.Powermode = gPowerOn;
     g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
     g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -300,10 +300,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 			
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -313,7 +313,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -323,7 +323,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1038);
@@ -333,7 +333,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 	
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1030);
@@ -347,7 +347,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 			
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI9341/gdisp_lld_ILI9341.c b/drivers/gdisp/ILI9341/gdisp_lld_ILI9341.c
index 1ba14608..4062fe7d 100644
--- a/drivers/gdisp/ILI9341/gdisp_lld_ILI9341.c
+++ b/drivers/gdisp/ILI9341/gdisp_lld_ILI9341.c
@@ -227,7 +227,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -294,31 +294,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0x48);	/* X and Y axes non-inverted */
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0xE8);	/* Invert X and Y axes */
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0x88);		/* X and Y axes non-inverted */
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0x28);	/* Invert X and Y axes */
 				release_bus(g);
@@ -328,7 +328,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI9342/gdisp_lld_ILI9342.c b/drivers/gdisp/ILI9342/gdisp_lld_ILI9342.c
index c493e17d..56703570 100644
--- a/drivers/gdisp/ILI9342/gdisp_lld_ILI9342.c
+++ b/drivers/gdisp/ILI9342/gdisp_lld_ILI9342.c
@@ -231,7 +231,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -298,31 +298,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0x08);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0x68);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0xC8);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_reg(g, 0x36, 0xA8);
 				release_bus(g);
@@ -332,7 +332,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI93xx/gdisp_lld_ILI93xx.c b/drivers/gdisp/ILI93xx/gdisp_lld_ILI93xx.c
index bda49d60..c50015b9 100644
--- a/drivers/gdisp/ILI93xx/gdisp_lld_ILI93xx.c
+++ b/drivers/gdisp/ILI93xx/gdisp_lld_ILI93xx.c
@@ -63,14 +63,14 @@ static GFXINLINE uint16_t read_reg(GDisplay *g, uint32_t reg) {
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x20, g->p.x);
 			write_reg(g, 0x21, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x20, g->p.y);
 			write_reg(g, 0x21, g->p.x);
 			break;
@@ -81,16 +81,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay* g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x50, g->p.x);
 			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
 			write_reg(g, 0x52, g->p.y);
 			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x50, g->p.y);
 			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
 			write_reg(g, 0x52, g->p.x);
@@ -256,7 +256,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
    /* Initialise the GDISP structure */
    g->g.Width = GDISP_SCREEN_WIDTH;
    g->g.Height = GDISP_SCREEN_HEIGHT;
-   g->g.Orientation = GDISP_ROTATE_0;
+   g->g.Orientation = gOrientation0;
    g->g.Powermode = gPowerOn;
    g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
    g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -373,10 +373,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 			
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1030);
@@ -386,7 +386,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -396,7 +396,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -406,7 +406,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 	
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1038);
@@ -420,7 +420,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 			
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ILI9481/gdisp_lld_ILI9481.c b/drivers/gdisp/ILI9481/gdisp_lld_ILI9481.c
index 57465aac..79b5b743 100644
--- a/drivers/gdisp/ILI9481/gdisp_lld_ILI9481.c
+++ b/drivers/gdisp/ILI9481/gdisp_lld_ILI9481.c
@@ -193,7 +193,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -263,10 +263,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 
 				write_reg(g, 0xC0, 0x03);
@@ -276,7 +276,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 
 				write_reg(g, 0xC0, 0x02);
@@ -286,7 +286,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 
 				write_reg(g, 0xC0, 0x06);
@@ -296,7 +296,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 
 				write_reg(g, 0xC0, 0x07);
@@ -309,7 +309,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
         //case GDISP_CONTROL_BACKLIGHT:
 		//case GDISP_CONTROL_CONTRAST:
diff --git a/drivers/gdisp/ILI9488/gdisp_lld_ILI9488.c b/drivers/gdisp/ILI9488/gdisp_lld_ILI9488.c
index e32ab556..e176e52d 100644
--- a/drivers/gdisp/ILI9488/gdisp_lld_ILI9488.c
+++ b/drivers/gdisp/ILI9488/gdisp_lld_ILI9488.c
@@ -189,7 +189,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	// Initialise the GDISP structure
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -275,11 +275,11 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
 
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 
 			  write_index(g, 0x36);
@@ -290,7 +290,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
 
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 
         write_index(g, 0x36);
@@ -301,7 +301,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 
 			  write_index(g, 0x36);
@@ -312,7 +312,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
 
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 
         write_index(g, 0x36);
@@ -327,7 +327,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
       default:
diff --git a/drivers/gdisp/KS0108/gdisp_lld_KS0108.c b/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
index 35726d85..8d6a004f 100644
--- a/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
+++ b/drivers/gdisp/KS0108/gdisp_lld_KS0108.c
@@ -134,7 +134,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	// Initialise the GDISP structure
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -263,11 +263,11 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
 
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 
 				write_index(g, 0x36);
@@ -278,7 +278,7 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
 
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 
 				write_index(g, 0x36);
@@ -289,7 +289,7 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 
 				write_index(g, 0x36);
@@ -300,7 +300,7 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
 
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 
 				write_index(g, 0x36);
@@ -315,7 +315,7 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 				return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		default:
diff --git a/drivers/gdisp/LGDP4532/gdisp_lld_LGDP4532.c b/drivers/gdisp/LGDP4532/gdisp_lld_LGDP4532.c
index d94708e6..5683a847 100644
--- a/drivers/gdisp/LGDP4532/gdisp_lld_LGDP4532.c
+++ b/drivers/gdisp/LGDP4532/gdisp_lld_LGDP4532.c
@@ -58,14 +58,14 @@
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x20, g->p.x);
 			write_reg(g, 0x21, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x20, g->p.y);
 			write_reg(g, 0x21, g->p.x);
 			break;
@@ -76,16 +76,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay* g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x50, g->p.x);
 			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
 			write_reg(g, 0x52, g->p.y);
 			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x50, g->p.y);
 			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
 			write_reg(g, 0x52, g->p.x);
@@ -178,7 +178,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -294,10 +294,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 			
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1030);
@@ -307,7 +307,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -317,7 +317,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -327,7 +327,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 	
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1038);
@@ -341,7 +341,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 			
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/Nokia6610GE12/gdisp_lld_Nokia6610GE12.c b/drivers/gdisp/Nokia6610GE12/gdisp_lld_Nokia6610GE12.c
index 38cec2be..f76077b3 100644
--- a/drivers/gdisp/Nokia6610GE12/gdisp_lld_Nokia6610GE12.c
+++ b/drivers/gdisp/Nokia6610GE12/gdisp_lld_Nokia6610GE12.c
@@ -125,7 +125,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure to match */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -202,31 +202,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_reg(g, MADCTL, 0x00);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_reg(g, MADCTL, 0xA0);					// MY, MX, V, LAO, RGB, X, X, X
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_reg(g, MADCTL, 0xC0);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_reg(g, MADCTL, 0x60);
 				release_bus(g);
@@ -236,7 +236,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/Nokia6610GE8/gdisp_lld_Nokia6610GE8.c b/drivers/gdisp/Nokia6610GE8/gdisp_lld_Nokia6610GE8.c
index 977ad10a..b37b9a53 100644
--- a/drivers/gdisp/Nokia6610GE8/gdisp_lld_Nokia6610GE8.c
+++ b/drivers/gdisp/Nokia6610GE8/gdisp_lld_Nokia6610GE8.c
@@ -134,19 +134,19 @@
 		#if GDISP_NOKIA_ORIENTATION && GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x);			// Column address set
 				write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y);			// Page address set
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->p.y, GDISP_RAM_X_OFFSET+g->p.y);
 				write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET-1+g->g.Width-g->p.x, GDISP_RAM_Y_OFFSET-1+g->g.Width-g->p.x);
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				write_cmd2(g, CASET, GDISP_RAM_X_OFFSET-1+g->g.Width-g->p.x, GDISP_RAM_X_OFFSET-1+g->g.Width-g->p.x);
 				write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET-1+g->g.Height-g->p.y, GDISP_RAM_Y_OFFSET-1+g->g.Height-g->p.y);
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				write_cmd2(g, CASET, GDISP_RAM_X_OFFSET-1+g->g.Height-g->p.y, GDISP_RAM_X_OFFSET-1+g->g.Height-g->p.y);
 				write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->p.x, GDISP_RAM_Y_OFFSET+g->p.x);
 				break;
@@ -163,19 +163,19 @@ static GFXINLINE void set_viewport(GDisplay* g) {
 	#if GDISP_NOKIA_ORIENTATION && GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->p.x, GDISP_RAM_X_OFFSET+g->p.x+g->p.cx-1);			// Column address set
 			write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->p.y, GDISP_RAM_Y_OFFSET+g->p.y+g->p.cy-1);			// Page address set
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->p.y, GDISP_RAM_X_OFFSET+g->p.y+g->p.cy-1);
 			write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->g.Width-g->p.x-g->p.cx, GDISP_RAM_Y_OFFSET-1+g->g.Width-g->p.x);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->g.Width-g->p.x-g->p.cx, GDISP_RAM_X_OFFSET-1+g->g.Width-g->p.x);
 			write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->g.Height-g->p.y-g->p.cy, GDISP_RAM_Y_OFFSET-1+g->g.Height-g->p.y);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_cmd2(g, CASET, GDISP_RAM_X_OFFSET+g->g.Height-g->p.y-g->p.cy, GDISP_RAM_X_OFFSET-1+g->g.Height-g->p.y);
 			write_cmd2(g, PASET, GDISP_RAM_Y_OFFSET+g->p.x, GDISP_RAM_Y_OFFSET+g->p.x+g->p.cx-1);
 			break;
@@ -239,7 +239,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	set_backlight(g, GDISP_INITIAL_BACKLIGHT);
 
 	/* Initialise the GDISP structure to match */
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -373,10 +373,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		 */
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:		x = 0;			y = 0;			break;
-		case GDISP_ROTATE_90:		x = g->p.cx-1;	y = 0;			break;
-		case GDISP_ROTATE_180:		x = g->p.cx-1;	y = g->p.cy-1;	break;
-		case GDISP_ROTATE_270:		x = 0;			y = g->p.cy-1;	break;
+		case gOrientation0:		x = 0;			y = 0;			break;
+		case gOrientation90:		x = g->p.cx-1;	y = 0;			break;
+		case gOrientation180:		x = g->p.cx-1;	y = g->p.cy-1;	break;
+		case gOrientation270:		x = 0;			y = g->p.cy-1;	break;
 		}
 
 		#if !GDISP_PACKED_PIXELS
@@ -543,26 +543,26 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 		#if GDISP_NOKIA_ORIENTATION
 			case GDISP_CONTROL_ORIENTATION:
-				if (g->g.Orientation == (orientation_t)g->p.ptr)
+				if (g->g.Orientation == (gOrientation)g->p.ptr)
 					return;
 				acquire_bus(g);
-				switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+				switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					write_cmd3(g, DATCTL, 0x00, 0x00, 0x02);	// P1: page normal, column normal, scan in column direction
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					write_cmd3(g, DATCTL, 0x05, 0x00, 0x02);	// P1: page reverse, column normal, scan in page direction
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					write_cmd3(g, DATCTL, 0x03, 0x00, 0x02);	// P1: page reverse, column reverse, scan in column direction
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					write_cmd3(g, DATCTL, 0x06, 0x00, 0x02);	// P1: page normal, column reverse, scan in page direction
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
@@ -572,7 +572,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					return;
 				}
 				release_bus(g);
-				g->g.Orientation = (orientation_t)g->p.ptr;
+				g->g.Orientation = (gOrientation)g->p.ptr;
 				return;
 		#endif
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/PCD8544/gdisp_lld_PCD8544.c b/drivers/gdisp/PCD8544/gdisp_lld_PCD8544.c
index f05d7186..a81782db 100644
--- a/drivers/gdisp/PCD8544/gdisp_lld_PCD8544.c
+++ b/drivers/gdisp/PCD8544/gdisp_lld_PCD8544.c
@@ -86,7 +86,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -122,19 +122,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = g->p.y;
 				y = g->g.Width - g->p.x - 1;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width  - g->p.x - 1;
 				y = g->g.Height - g->p.y - 1;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - g->p.y - 1;
 				y = g->p.x;
 				break;
@@ -160,19 +160,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -203,12 +203,12 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -216,9 +216,9 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -229,7 +229,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c b/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
index ca2a16eb..bc8c14d6 100644
--- a/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
+++ b/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
@@ -96,7 +96,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -132,19 +132,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = g->p.y;
 				y = g->g.Width - g->p.x - 1;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width  - g->p.x - 1;
 				y = g->g.Height - g->p.y - 1;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - g->p.y - 1;
 				y = g->p.x;
 				break;
@@ -170,19 +170,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -213,12 +213,12 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -226,9 +226,9 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -239,7 +239,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/QImage/gdisp_lld_driver.c b/drivers/gdisp/QImage/gdisp_lld_driver.c
index c42bfbcd..3c8d71d0 100644
--- a/drivers/gdisp/QImage/gdisp_lld_driver.c
+++ b/drivers/gdisp/QImage/gdisp_lld_driver.c
@@ -39,7 +39,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g)
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
diff --git a/drivers/gdisp/R61505U/gdisp_lld_R61505U.c b/drivers/gdisp/R61505U/gdisp_lld_R61505U.c
index 1e18e1cd..c5b10d36 100644
--- a/drivers/gdisp/R61505U/gdisp_lld_R61505U.c
+++ b/drivers/gdisp/R61505U/gdisp_lld_R61505U.c
@@ -57,14 +57,14 @@
 static void set_cursor(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x20, g->p.x);
 			write_reg(g, 0x21, g->p.y);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x20, g->p.y);
 			write_reg(g, 0x21, g->p.x);
 			break;
@@ -75,16 +75,16 @@ static void set_cursor(GDisplay *g) {
 static void set_viewport(GDisplay *g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, 0x50, g->p.x);
 			write_reg(g, 0x51, g->p.x + g->p.cx - 1);
 			write_reg(g, 0x52, g->p.y);
 			write_reg(g, 0x53, g->p.y + g->p.cy - 1);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, 0x50, g->p.y);
 			write_reg(g, 0x51, g->p.y + g->p.cy - 1);
 			write_reg(g, 0x52, g->p.x);
@@ -194,7 +194,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
     /* Initialise the GDISP structure */
     g->g.Width = GDISP_SCREEN_WIDTH;
     g->g.Height = GDISP_SCREEN_HEIGHT;
-    g->g.Orientation = GDISP_ROTATE_0;
+    g->g.Orientation = gOrientation0;
     g->g.Powermode = gPowerOn;
     g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
     g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -318,10 +318,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				return;
 
 			case GDISP_CONTROL_ORIENTATION:
-				if (g->g.Orientation == (orientation_t)g->p.ptr)
+				if (g->g.Orientation == (gOrientation)g->p.ptr)
 					return;
-				switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+				switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -332,7 +332,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -343,7 +343,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0000);
 					write_reg(g, 0x03, 0x1030);
@@ -354,7 +354,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_reg(g, 0x01, 0x0100);
 					write_reg(g, 0x03, 0x1038);
@@ -368,7 +368,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 				}
-				g->g.Orientation = (orientation_t)g->p.ptr;
+				g->g.Orientation = (gOrientation)g->p.ptr;
 				return;
 
 	        case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/RA6963/gdisp_lld_RA6963.c b/drivers/gdisp/RA6963/gdisp_lld_RA6963.c
index 369eac8a..d440b621 100755
--- a/drivers/gdisp/RA6963/gdisp_lld_RA6963.c
+++ b/drivers/gdisp/RA6963/gdisp_lld_RA6963.c
@@ -202,7 +202,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
   // Initialise the GDISP structure

   g->g.Width = GDISP_SCREEN_WIDTH;

   g->g.Height = GDISP_SCREEN_HEIGHT;

-  g->g.Orientation = GDISP_ROTATE_0;

+  g->g.Orientation = gOrientation0;

   g->g.Powermode = gPowerOn;

   g->g.Backlight = GDISP_INITIAL_BACKLIGHT;

   g->g.Contrast = GDISP_INITIAL_CONTRAST;

@@ -349,11 +349,11 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
     return;

 

     case GDISP_CONTROL_ORIENTATION:

-    if (g->g.Orientation == (orientation_t)g->p.ptr)

+    if (g->g.Orientation == (gOrientation)g->p.ptr)

     return;

 

-    switch((orientation_t)g->p.ptr) {

-      case GDISP_ROTATE_0:

+    switch((gOrientation)g->p.ptr) {

+      case gOrientation0:

       acquire_bus(g);

 

       write_index(g, 0x36);

@@ -364,7 +364,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
       g->g.Width = GDISP_SCREEN_WIDTH;

       break;

 

-      case GDISP_ROTATE_90:

+      case gOrientation90:

       acquire_bus(g);

 

       write_index(g, 0x36);

@@ -375,7 +375,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
       g->g.Width = GDISP_SCREEN_HEIGHT;

       break;

 

-      case GDISP_ROTATE_180:

+      case gOrientation180:

       acquire_bus(g);

 

       write_index(g, 0x36);

@@ -386,7 +386,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
       g->g.Width = GDISP_SCREEN_WIDTH;

       break;

 

-      case GDISP_ROTATE_270:

+      case gOrientation270:

       acquire_bus(g);

 

       write_index(g, 0x36);

@@ -401,7 +401,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
       return;

     }

 

-    g->g.Orientation = (orientation_t)g->p.ptr;

+    g->g.Orientation = (gOrientation)g->p.ptr;

     return;

 

     default:

diff --git a/drivers/gdisp/RA8875/gdisp_lld_RA8875.c b/drivers/gdisp/RA8875/gdisp_lld_RA8875.c
index 95d4a11d..30f30b87 100644
--- a/drivers/gdisp/RA8875/gdisp_lld_RA8875.c
+++ b/drivers/gdisp/RA8875/gdisp_lld_RA8875.c
@@ -166,7 +166,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -221,31 +221,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if 0
 			case GDISP_CONTROL_ORIENTATION:
-				if (g->g.Orientation == (orientation_t)g->p.ptr)
+				if (g->g.Orientation == (gOrientation)g->p.ptr)
 					return;
-				switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+				switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					// TODO
 					release_bus(g);
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					// TODO
 					release_bus(g);
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					// TODO
 					release_bus(g);
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					// TODO
 					release_bus(g);
@@ -255,7 +255,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 				}
-				g->g.Orientation = (orientation_t)g->p.ptr;
+				g->g.Orientation = (gOrientation)g->p.ptr;
 				return;
 		#endif
 
diff --git a/drivers/gdisp/S6D1121/gdisp_lld_S6D1121.c b/drivers/gdisp/S6D1121/gdisp_lld_S6D1121.c
index 79b28c51..ec0a4320 100644
--- a/drivers/gdisp/S6D1121/gdisp_lld_S6D1121.c
+++ b/drivers/gdisp/S6D1121/gdisp_lld_S6D1121.c
@@ -58,19 +58,19 @@ static GFXINLINE void set_cursor(GDisplay *g) {
      */
     switch(g->g.Orientation) {
     	default:
-        case GDISP_ROTATE_0:
+        case gOrientation0:
             write_reg(g, 0x20, g->p.x & 0x00FF);
             write_reg(g, 0x21, g->p.y & 0x01FF);
             break;
-        case GDISP_ROTATE_90:
+        case gOrientation90:
             write_reg(g, 0x20, g->p.y & 0x00FF);
             write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.x) & 0x01FF);
             break;
-        case GDISP_ROTATE_180:
+        case gOrientation180:
             write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.x) & 0x00FF);
             write_reg(g, 0x21, (GDISP_SCREEN_HEIGHT - 1 - g->p.y) & 0x01FF);
             break;
-        case GDISP_ROTATE_270:
+        case gOrientation270:
             write_reg(g, 0x20, (GDISP_SCREEN_WIDTH - 1 - g->p.y) & 0x00FF);
             write_reg(g, 0x21, g->p.x & 0x01FF);
             break;
@@ -86,23 +86,23 @@ static GFXINLINE void set_viewport(GDisplay *g) {
 
     switch(g->g.Orientation) {
     	default:
-        case GDISP_ROTATE_0:
+        case gOrientation0:
             write_reg(g, 0x46, (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
             write_reg(g, 0x48, g->p.y & 0x01FF);
             write_reg(g, 0x47, (g->p.y + g->p.cy - 1) & 0x01FF);
             break;
-        case GDISP_ROTATE_90:
+        case gOrientation90:
             write_reg(g, 0x46, (((g->p.y + g->p.cy - 1) << 8) & 0xFF00) | (g->p.y & 0x00FF));
             write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x01FF);
             write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x01FF);
             break;
-        case GDISP_ROTATE_180:
+        case gOrientation180:
             write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x00FF) << 8) |
                                       ((GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x00FF));
             write_reg(g, 0x48, (GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x01FF);
             write_reg(g, 0x47, (GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x01FF);
             break;
-        case GDISP_ROTATE_270:
+        case gOrientation270:
             write_reg(g, 0x46, (((GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x00FF) << 8) |
                                       ((GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x00FF));
             write_reg(g, 0x48, g->p.x & 0x01FF);
@@ -203,7 +203,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -277,31 +277,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		#endif
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_reg(g, 0x03, 0b0011);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_reg(g, 0x03, 0b1001);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_reg(g, 0x03, 0b0000);
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_reg(g, 0x03, 0b1010);
 				release_bus(g);
@@ -311,7 +311,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/SPFD54124B/gdisp_lld_SPFD54124B.c b/drivers/gdisp/SPFD54124B/gdisp_lld_SPFD54124B.c
index 037a1265..c6b37c98 100644
--- a/drivers/gdisp/SPFD54124B/gdisp_lld_SPFD54124B.c
+++ b/drivers/gdisp/SPFD54124B/gdisp_lld_SPFD54124B.c
@@ -136,7 +136,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g)
 	// Initialise the GDISP structure to match 
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -208,11 +208,11 @@ LLDSPEC void gdisp_lld_control(GDisplay *g)
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
 
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
 					acquire_bus(g);
 					write_index(g, SPFD54124B_CMD_MADCTR);
 					write_index(g, 0x0100);
@@ -221,7 +221,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g)
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_90:
+				case gOrientation90:
 					acquire_bus(g);
 					write_index(g, SPFD54124B_CMD_MADCTR);
 					write_index(g, 0x01A0);
@@ -230,7 +230,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g)
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 
-				case GDISP_ROTATE_180:
+				case gOrientation180:
 					acquire_bus(g);
 					write_index(g, SPFD54124B_CMD_MADCTR);
 					write_index(g, 0x01C0);
@@ -239,7 +239,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g)
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					break;
 
-				case GDISP_ROTATE_270:
+				case gOrientation270:
 					acquire_bus(g);
 					write_index(g, SPFD54124B_CMD_MADCTR);
 					write_index(g, 0x0160);
@@ -249,11 +249,11 @@ LLDSPEC void gdisp_lld_control(GDisplay *g)
 					break;
 
 				default:
-					// GDISP_ROTATE_PORTRAIT and GDISP_ROTATE_LANDSCAPE are handled by the higher level code
+					// gOrientationPortrait and gOrientationLandscape are handled by the higher level code
 					return;
 			}
 
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 
 			return;
 	}
diff --git a/drivers/gdisp/SSD1289/gdisp_lld_SSD1289.c b/drivers/gdisp/SSD1289/gdisp_lld_SSD1289.c
index a573a70b..5f0e2a84 100644
--- a/drivers/gdisp/SSD1289/gdisp_lld_SSD1289.c
+++ b/drivers/gdisp/SSD1289/gdisp_lld_SSD1289.c
@@ -54,19 +54,19 @@ static void set_cursor(GDisplay *g) {
 	 */
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_reg(g, 0x4e, g->p.x & 0x00FF);
 			write_reg(g, 0x4f, g->p.y & 0x01FF);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_reg(g, 0x4e, g->p.y & 0x00FF);
 			write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF);
 			write_reg(g, 0x4f, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_reg(g, 0x4e, (GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF);
 			write_reg(g, 0x4f, g->p.x & 0x01FF);
 			break;
@@ -86,22 +86,22 @@ static void set_viewport(GDisplay* g) {
 	 */
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_reg(g, 0x44, (((g->p.x+g->p.cx-1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
 			write_reg(g, 0x45, g->p.y & 0x01FF);
 			write_reg(g, 0x46, (g->p.y+g->p.cy-1) & 0x01FF);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_reg(g, 0x44, (((g->p.y+g->p.cy-1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF));
 			write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.x+g->p.cx)) & 0x01FF);
 			write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.x) & 0x01FF);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH - (g->p.x+g->p.cx)) & 0x00FF));
 			write_reg(g, 0x45, (GDISP_SCREEN_HEIGHT-(g->p.y+g->p.cy)) & 0x01FF);
 			write_reg(g, 0x46, (GDISP_SCREEN_HEIGHT-1-g->p.y) & 0x01FF);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_reg(g, 0x44, (((GDISP_SCREEN_WIDTH-1-g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_WIDTH-(g->p.y+g->p.cy)) & 0x00FF));
 			write_reg(g, 0x45, g->p.x & 0x01FF);
 			write_reg(g, 0x46, (g->p.x+g->p.cx-1) & 0x01FF);
@@ -187,7 +187,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -310,10 +310,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				/* ID = 11 AM = 0 */
 				write_reg(g, 0x11, 0x6070);
@@ -321,7 +321,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				/* ID = 01 AM = 1 */
 				write_reg(g, 0x11, 0x6058);
@@ -329,7 +329,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				/* ID = 00 AM = 0 */
 				write_reg(g, 0x11, 0x6040);
@@ -337,7 +337,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				/* ID = 10 AM = 1 */
 				write_reg(g, 0x11, 0x6068);
@@ -348,7 +348,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
index ff907e6d..ac2cd05c 100644
--- a/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
+++ b/drivers/gdisp/SSD1306/gdisp_lld_SSD1306.c
@@ -130,7 +130,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -178,25 +178,25 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			sx = g->p.x;
 			ex = g->p.x + g->p.cx - 1;
 			sy = g->p.y;
 			ey = sy + g->p.cy - 1;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			sx = g->p.y;
 			ex = g->p.y + g->p.cy - 1;
 			sy = GDISP_SCREEN_HEIGHT - g->p.x - g->p.cx;
 			ey = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			sx = GDISP_SCREEN_WIDTH - g->p.x - g->p.cx;
 			ex = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			sy = GDISP_SCREEN_HEIGHT - g->p.y - g->p.cy;
 			ey = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			sx = GDISP_SCREEN_WIDTH - g->p.y - g->p.cy;
 			ex = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			sy = g->p.x;
@@ -240,19 +240,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -271,19 +271,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -318,24 +318,24 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
+			switch((gOrientation)g->p.ptr) {
 			/* Rotation is handled by the drawing routines */
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			case gOrientation0:
+			case gOrientation180:
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_CONTRAST:
diff --git a/drivers/gdisp/SSD1322/gdisp_lld_SSD1322.c b/drivers/gdisp/SSD1322/gdisp_lld_SSD1322.c
index 2a956687..9822c1e1 100644
--- a/drivers/gdisp/SSD1322/gdisp_lld_SSD1322.c
+++ b/drivers/gdisp/SSD1322/gdisp_lld_SSD1322.c
@@ -148,7 +148,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_180;
+	g->g.Orientation = gOrientation180;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -194,19 +194,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -225,19 +225,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -273,24 +273,24 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
+			switch((gOrientation)g->p.ptr) {
 			/* Rotation is handled by the drawing routines */
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			case gOrientation0:
+			case gOrientation180:
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 		}
 	}
diff --git a/drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c b/drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c
index 5080aeef..60d6c344 100644
--- a/drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c
+++ b/drivers/gdisp/SSD1331/gdisp_lld_SSD1331.c
@@ -120,7 +120,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -269,31 +269,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		/*
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
@@ -303,7 +303,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 		*/
 
diff --git a/drivers/gdisp/SSD1351/gdisp_lld_SSD1351.c b/drivers/gdisp/SSD1351/gdisp_lld_SSD1351.c
index 762eac19..03de499d 100644
--- a/drivers/gdisp/SSD1351/gdisp_lld_SSD1351.c
+++ b/drivers/gdisp/SSD1351/gdisp_lld_SSD1351.c
@@ -131,7 +131,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -209,31 +209,31 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				//TODO
 				release_bus(g);
@@ -243,7 +243,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/SSD1848/gdisp_lld_SSD1848.c b/drivers/gdisp/SSD1848/gdisp_lld_SSD1848.c
index e2b86968..0a41f13c 100644
--- a/drivers/gdisp/SSD1848/gdisp_lld_SSD1848.c
+++ b/drivers/gdisp/SSD1848/gdisp_lld_SSD1848.c
@@ -74,7 +74,7 @@ static void set_viewport (GDisplay* g)
     switch (g->g.Orientation)
     {
     default:
-    case GDISP_ROTATE_0:
+    case gOrientation0:
         spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
         spi_write_data2 (g, (uint8_t) (g->p.x / 8), (uint8_t) ((g->p.x + g->p.cx - 1) / 8));
         spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
@@ -82,7 +82,7 @@ static void set_viewport (GDisplay* g)
         spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
         break;
 
-    case GDISP_ROTATE_90:
+    case gOrientation90:
         spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
         spi_write_data2 (g, g->p.y, g->p.y + g->p.cy - 1);
         spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
@@ -90,7 +90,7 @@ static void set_viewport (GDisplay* g)
         spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
         break;
 
-    case GDISP_ROTATE_180:
+    case gOrientation180:
         spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
         spi_write_data2 (g, g->g.Width - g->p.x - g->p.cx, g->g.Width - 1 - g->p.x);
         spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
@@ -98,7 +98,7 @@ static void set_viewport (GDisplay* g)
         spi_write_cmd (g, SSD1848_WRITE_DISP_DATA);
         break;
 
-    case GDISP_ROTATE_270:
+    case gOrientation270:
         spi_write_cmd (g, SSD1848_HV_COLUMN_ADDRESS);
         spi_write_data2 (g, g->g.Height - g->p.y - g->p.cy, g->g.Height - 1 - g->p.y);
         spi_write_cmd (g, SSD1848_HV_PAGE_ADDRESS);
@@ -213,7 +213,7 @@ LLDSPEC gBool gdisp_lld_init (GDisplay *g)
     /* Initialise the GDISP structure */
     g->g.Width       = GDISP_SCREEN_WIDTH;
     g->g.Height      = GDISP_SCREEN_HEIGHT;
-    g->g.Orientation = GDISP_ROTATE_0;
+    g->g.Orientation = gOrientation0;
     g->g.Powermode   = gPowerOn;
     g->g.Backlight   = GDISP_INITIAL_BACKLIGHT;
     g->g.Contrast    = GDISP_INITIAL_CONTRAST;
@@ -405,22 +405,22 @@ LLDSPEC void gdisp_lld_draw_pixel (GDisplay *g)
     switch (g->g.Orientation)
     {
     default:
-    case GDISP_ROTATE_0:
+    case gOrientation0:
         x = g->p.x;
         y = g->p.y;
         break;
 
-    case GDISP_ROTATE_90:
+    case gOrientation90:
         x = g->p.y;
         y = GDISP_SCREEN_HEIGHT - 1 - g->p.x;
         break;
 
-    case GDISP_ROTATE_180:
+    case gOrientation180:
         x = GDISP_SCREEN_WIDTH - 1 - g->p.x;
         y = GDISP_SCREEN_HEIGHT - 1 - g->p.y;
         break;
 
-    case GDISP_ROTATE_270:
+    case gOrientation270:
         x = GDISP_SCREEN_WIDTH - 1 - g->p.y;
         y = g->p.x;
         break;
@@ -441,22 +441,22 @@ LLDSPEC gColor gdisp_lld_get_pixel_color (GDisplay *g)
     switch (g->g.Orientation)
     {
     default:
-    case GDISP_ROTATE_0:
+    case gOrientation0:
         x = g->p.x;
         y = g->p.y;
         break;
 
-    case GDISP_ROTATE_90:
+    case gOrientation90:
         x = g->p.y;
         y = GDISP_SCREEN_HEIGHT - 1 - g->p.x;
         break;
 
-    case GDISP_ROTATE_180:
+    case gOrientation180:
         x = GDISP_SCREEN_WIDTH - 1 - g->p.x;
         y = GDISP_SCREEN_HEIGHT - 1 - g->p.y;
         break;
 
-    case GDISP_ROTATE_270:
+    case gOrientation270:
         x = GDISP_SCREEN_WIDTH - 1 - g->p.y;
         y = g->p.x;
         break;
@@ -506,19 +506,19 @@ LLDSPEC void gdisp_lld_control (GDisplay *g)
         return;
 
     case GDISP_CONTROL_ORIENTATION:
-        if (g->g.Orientation == (orientation_t) g->p.ptr)
+        if (g->g.Orientation == (gOrientation) g->p.ptr)
             return;
-        switch ((orientation_t) g->p.ptr)
+        switch ((gOrientation) g->p.ptr)
         {
         /* Rotation is handled by the drawing routines */
-        case GDISP_ROTATE_0:
-        case GDISP_ROTATE_180:
+        case gOrientation0:
+        case gOrientation180:
             g->g.Height = GDISP_SCREEN_HEIGHT;
             g->g.Width  = GDISP_SCREEN_WIDTH;
             break;
 
-        case GDISP_ROTATE_90:
-        case GDISP_ROTATE_270:
+        case gOrientation90:
+        case gOrientation270:
             g->g.Height = GDISP_SCREEN_WIDTH;
             g->g.Width  = GDISP_SCREEN_HEIGHT;
             break;
@@ -526,7 +526,7 @@ LLDSPEC void gdisp_lld_control (GDisplay *g)
         default:
             return;
         }
-        g->g.Orientation = (orientation_t) g->p.ptr;
+        g->g.Orientation = (gOrientation) g->p.ptr;
         return;
 
     case GDISP_CONTROL_CONTRAST:
diff --git a/drivers/gdisp/SSD1963/gdisp_lld_SSD1963.c b/drivers/gdisp/SSD1963/gdisp_lld_SSD1963.c
index 64c67b70..cfaccb9f 100644
--- a/drivers/gdisp/SSD1963/gdisp_lld_SSD1963.c
+++ b/drivers/gdisp/SSD1963/gdisp_lld_SSD1963.c
@@ -79,7 +79,7 @@ typedef struct LCD_Parameters {
 static GFXINLINE void set_viewport(GDisplay* g) {
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_index(g, SSD1963_SET_COLUMN_ADDRESS);
 			write_data16(g, g->p.x);
 			write_data16(g, g->p.x+g->p.cx-1);
@@ -88,7 +88,7 @@ static GFXINLINE void set_viewport(GDisplay* g) {
 			write_data16(g, g->p.y+g->p.cy-1);
 			write_index(g, SSD1963_WRITE_MEMORY_START);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_index(g, SSD1963_SET_COLUMN_ADDRESS);
 			write_data16(g, g->p.y);
 			write_data16(g, g->p.y+g->p.cy-1);
@@ -97,7 +97,7 @@ static GFXINLINE void set_viewport(GDisplay* g) {
 			write_data16(g, g->g.Width-1 - g->p.x);
 			write_index(g, SSD1963_WRITE_MEMORY_START);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_index(g, SSD1963_SET_COLUMN_ADDRESS);
 			write_data16(g, g->g.Width - g->p.x - g->p.cx);
 			write_data16(g, g->g.Width-1 - g->p.x);
@@ -106,7 +106,7 @@ static GFXINLINE void set_viewport(GDisplay* g) {
 			write_data16(g, g->g.Height-1 - g->p.y);
 			write_index(g, SSD1963_WRITE_MEMORY_START);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_index(g, SSD1963_SET_COLUMN_ADDRESS);
 			write_data16(g, g->g.Height - g->p.y - g->p.cy);
 			write_data16(g, g->g.Height-1 - g->p.y);
@@ -267,7 +267,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = lcdp->width;
 	g->g.Height = lcdp->height;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -336,10 +336,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_index(g, SSD1963_SET_ADDRESS_MODE);
 				write_data(g, 0x00);
@@ -347,7 +347,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = ((LCD_Parameters *)g->priv)->height;
 				g->g.Width = ((LCD_Parameters *)g->priv)->width;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_index(g, SSD1963_SET_ADDRESS_MODE);
 				write_data(g, SSD1963_ADDR_MODE_PAGE_ADDR_ORDER | SSD1963_ADDR_MODE_PAG_COL_ADDR_ORDER );
@@ -355,7 +355,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = ((LCD_Parameters *)g->priv)->width;
 				g->g.Width = ((LCD_Parameters *)g->priv)->height;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_index(g, SSD1963_SET_ADDRESS_MODE);
 				write_data(g, SSD1963_ADDR_MODE_PAGE_ADDR_ORDER | SSD1963_ADDR_MODE_COL_ADDR_ORDER);
@@ -363,7 +363,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				g->g.Height = ((LCD_Parameters *)g->priv)->height;
 				g->g.Width = ((LCD_Parameters *)g->priv)->width;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_index(g, SSD1963_SET_ADDRESS_MODE);
 				write_data(g,  SSD1963_ADDR_MODE_COL_ADDR_ORDER | SSD1963_ADDR_MODE_PAG_COL_ADDR_ORDER );
@@ -374,7 +374,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/SSD2119/gdisp_lld_SSD2119.c b/drivers/gdisp/SSD2119/gdisp_lld_SSD2119.c
index 3d1a3693..6b0870cf 100644
--- a/drivers/gdisp/SSD2119/gdisp_lld_SSD2119.c
+++ b/drivers/gdisp/SSD2119/gdisp_lld_SSD2119.c
@@ -55,19 +55,19 @@ static void set_cursor(GDisplay* g) {
 	 */
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_reg(g, SSD2119_REG_X_RAM_ADDR, g->p.x & 0x01FF);
 			write_reg(g, SSD2119_REG_Y_RAM_ADDR, g->p.y & 0x00FF);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_reg(g, SSD2119_REG_X_RAM_ADDR, g->p.y & 0x01FF);
 			write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x00FF);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x01FF);
 			write_reg(g, SSD2119_REG_Y_RAM_ADDR, (GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x00FF);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_reg(g, SSD2119_REG_X_RAM_ADDR, (GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x01FF);
 			write_reg(g, SSD2119_REG_Y_RAM_ADDR, g->p.x & 0x00FF);
 			break;
@@ -86,22 +86,22 @@ static void set_viewport(GDisplay* g) {
 	 */
 	switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			write_reg(g, SSD2119_REG_V_RAM_POS,   (((g->p.y + g->p.cy - 1) << 8) & 0xFF00 ) | (g->p.y & 0x00FF));
 			write_reg(g, SSD2119_REG_H_RAM_START, (g->p.x & 0x01FF));
 			write_reg(g, SSD2119_REG_H_RAM_END,   (g->p.x + g->p.cx - 1) & 0x01FF);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			write_reg(g, SSD2119_REG_V_RAM_POS,   (((GDISP_SCREEN_HEIGHT-1 - g->p.x) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.x + g->p.cx)) & 0x00FF));
 			write_reg(g, SSD2119_REG_H_RAM_START, (g->p.y & 0x01FF));
 			write_reg(g, SSD2119_REG_H_RAM_END,   (g->p.y + g->p.cy - 1) & 0x01FF);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			write_reg(g, SSD2119_REG_V_RAM_POS,   (((GDISP_SCREEN_HEIGHT-1 - g->p.y) & 0x00FF) << 8) | ((GDISP_SCREEN_HEIGHT - (g->p.y + g->p.cy)) & 0x00FF));
 			write_reg(g, SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.x + g->p.cx)) & 0x01FF);
 			write_reg(g, SSD2119_REG_H_RAM_END,   (GDISP_SCREEN_WIDTH-1 - g->p.x) & 0x01FF);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			write_reg(g, SSD2119_REG_V_RAM_POS,   (((g->p.x + g->p.cx - 1) << 8) & 0xFF00 ) | (g->p.x & 0x00FF));
 			write_reg(g, SSD2119_REG_H_RAM_START, (GDISP_SCREEN_WIDTH - (g->p.y + g->p.cy)) & 0x01FF);
 			write_reg(g, SSD2119_REG_H_RAM_END,   (GDISP_SCREEN_WIDTH-1 - g->p.y) & 0x01FF);
@@ -228,7 +228,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -360,10 +360,10 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+			switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				/* ID = 11 AM = 0 */
 				write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6830);
@@ -371,7 +371,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				/* ID = 01 AM = 1 */
 				write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6818);
@@ -379,7 +379,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				/* ID = 00 AM = 0 */
 				write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6800);
@@ -387,7 +387,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				/* ID = 10 AM = 1 */
 				write_reg(g, SSD2119_REG_ENTRY_MODE, 0x6828);
@@ -398,7 +398,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
         case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/ST7565/gdisp_lld_ST7565.c b/drivers/gdisp/ST7565/gdisp_lld_ST7565.c
index 2b153230..a9200698 100644
--- a/drivers/gdisp/ST7565/gdisp_lld_ST7565.c
+++ b/drivers/gdisp/ST7565/gdisp_lld_ST7565.c
@@ -133,7 +133,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	// Initialise the GDISP structure
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -170,19 +170,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -201,19 +201,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			x = g->p.x;
 			break;
@@ -248,24 +248,24 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
+			switch((gOrientation)g->p.ptr) {
 			// Rotation is handled by the drawing routines
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			case gOrientation0:
+			case gOrientation180:
 				g->g.Height = GDISP_SCREEN_HEIGHT;
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				g->g.Height = GDISP_SCREEN_WIDTH;
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				break;
 			default:
 				return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_CONTRAST:
diff --git a/drivers/gdisp/ST7735/gdisp_lld_ST7735.c b/drivers/gdisp/ST7735/gdisp_lld_ST7735.c
index df4b75ef..bc6b8084 100644
--- a/drivers/gdisp/ST7735/gdisp_lld_ST7735.c
+++ b/drivers/gdisp/ST7735/gdisp_lld_ST7735.c
@@ -260,7 +260,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -344,10 +344,10 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 		return;
 
 	case GDISP_CONTROL_ORIENTATION:
-		if (g->g.Orientation == (orientation_t)g->p.ptr)
+		if (g->g.Orientation == (gOrientation)g->p.ptr)
 			return;
-		switch((orientation_t)g->p.ptr) {
-			case GDISP_ROTATE_0:
+		switch((gOrientation)g->p.ptr) {
+			case gOrientation0:
 				acquire_bus(g);
 				write_cmd(g, ST7735_MADCTL);
 				write_data_byte(g, 0xC0|ST7735_MADCTRL_COLOR);
@@ -355,7 +355,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				acquire_bus(g);
 				write_cmd(g, ST7735_MADCTL);
 				write_data_byte(g, 0xA0|ST7735_MADCTRL_COLOR);
@@ -363,7 +363,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_HEIGHT;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				acquire_bus(g);
 				write_cmd(g, ST7735_MADCTL);
 				write_data_byte(g, 0x00|ST7735_MADCTRL_COLOR);
@@ -371,7 +371,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 				g->g.Width = GDISP_SCREEN_WIDTH;
 				release_bus(g);
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				acquire_bus(g);
 				write_cmd(g, ST7735_MADCTL);
 				write_data_byte(g, 0x60|ST7735_MADCTRL_COLOR);
@@ -382,7 +382,7 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 			default:
 				return;
 		}
-		g->g.Orientation = (orientation_t)g->p.ptr;
+		g->g.Orientation = (gOrientation)g->p.ptr;
 		return;
 	case GDISP_CONTROL_BACKLIGHT:
 		if ((unsigned)g->p.ptr > 100)
diff --git a/drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c b/drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c
index 5d3a1380..dbd2d8e4 100644
--- a/drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c
+++ b/drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c
@@ -287,7 +287,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g) {
 	// Initialise the GDISP structure

 	g->g.Width = ((ltdcLayerConfig *)g->priv)->width;

 	g->g.Height = ((ltdcLayerConfig *)g->priv)->height;

-	g->g.Orientation = GDISP_ROTATE_0;

+	g->g.Orientation = gOrientation0;

 	g->g.Powermode = gPowerOn;

 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;

 	g->g.Contrast = GDISP_INITIAL_CONTRAST;

@@ -300,17 +300,17 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay* g) {
 

 	#if GDISP_NEED_CONTROL

 		switch(g->g.Orientation) {

-		case GDISP_ROTATE_0:

+		case gOrientation0:

 		default:

 			pos = PIXIL_POS(g, g->p.x, g->p.y);

 			break;

-		case GDISP_ROTATE_90:

+		case gOrientation90:

 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);

 			break;

-		case GDISP_ROTATE_180:

+		case gOrientation180:

 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);

 			break;

-		case GDISP_ROTATE_270:

+		case gOrientation270:

 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);

 			break;

 		}

@@ -338,17 +338,17 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 

 	#if GDISP_NEED_CONTROL

 		switch(g->g.Orientation) {

-		case GDISP_ROTATE_0:

+		case gOrientation0:

 		default:

 			pos = PIXIL_POS(g, g->p.x, g->p.y);

 			break;

-		case GDISP_ROTATE_90:

+		case gOrientation90:

 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);

 			break;

-		case GDISP_ROTATE_180:

+		case gOrientation180:

 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);

 			break;

-		case GDISP_ROTATE_270:

+		case gOrientation270:

 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);

 			break;

 		}

@@ -376,12 +376,12 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 	LLDSPEC void gdisp_lld_control(GDisplay* g) {

 		switch(g->p.x) {

 		case GDISP_CONTROL_ORIENTATION:

-			if (g->g.Orientation == (orientation_t)g->p.ptr)

+			if (g->g.Orientation == (gOrientation)g->p.ptr)

 				return;

-			switch((orientation_t)g->p.ptr) {

-				case GDISP_ROTATE_0:

-				case GDISP_ROTATE_180:

-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {

+			switch((gOrientation)g->p.ptr) {

+				case gOrientation0:

+				case gOrientation180:

+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {

 						gCoord		tmp;

 

 						tmp = g->g.Width;

@@ -389,9 +389,9 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 						g->g.Height = tmp;

 					}

 					break;

-				case GDISP_ROTATE_90:

-				case GDISP_ROTATE_270:

-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {

+				case gOrientation90:

+				case gOrientation270:

+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {

 						gCoord		tmp;

 

 						tmp = g->g.Width;

@@ -402,7 +402,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 				default:

 					return;

 			}

-			g->g.Orientation = (orientation_t)g->p.ptr;

+			g->g.Orientation = (gOrientation)g->p.ptr;

 			return;

 

 		case GDISP_CONTROL_BACKLIGHT:

@@ -452,23 +452,23 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 

 		#if GDISP_NEED_CONTROL

 			switch(g->g.Orientation) {

-			case GDISP_ROTATE_0:

+			case gOrientation0:

 			default:

 				pos = PIXIL_POS(g, g->p.x, g->p.y);

 				lineadd = g->g.Width - g->p.cx;

 				shape = (g->p.cx << 16) | (g->p.cy);

 				break;

-			case GDISP_ROTATE_90:

+			case gOrientation90:

 				pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-g->p.cx);

 				lineadd = g->g.Height - g->p.cy;

 				shape = (g->p.cy << 16) | (g->p.cx);

 				break;

-			case GDISP_ROTATE_180:

+			case gOrientation180:

 				pos = PIXIL_POS(g, g->g.Width-g->p.x-g->p.cx, g->g.Height-g->p.y-g->p.cy);

 				lineadd = g->g.Width - g->p.cx;

 				shape = (g->p.cx << 16) | (g->p.cy);

 				break;

-			case GDISP_ROTATE_270:

+			case gOrientation270:

 				pos = PIXIL_POS(g, g->g.Height-g->p.y-g->p.cy, g->p.x);

 				lineadd = g->g.Height - g->p.cy;

 				shape = (g->p.cy << 16) | (g->p.cx);

@@ -520,7 +520,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 		DMA2D->CR = DMA2D_CR_MODE_R2M | DMA2D_CR_START;

 	}

 

-	/* Oops - the DMA2D only supports GDISP_ROTATE_0.

+	/* Oops - the DMA2D only supports gOrientation0.

 	 *

 	 * Where the width is 1 we can trick it for other orientations.

 	 * That is worthwhile as a width of 1 is common. For other

@@ -531,7 +531,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay* g) {
 	 * other formats we also need to fall back to pixel pushing.

 	 *

 	 * As the code to actually do all that for other than the

-	 * simplest case (orientation == GDISP_ROTATE_0 and

+	 * simplest case (orientation == gOrientation0 and

 	 * GDISP_PIXELFORMAT == GDISP_LLD_PIXELFORMAT) is very complex

 	 * we will always pixel push for now. In practice that is OK as

 	 * access to the framebuffer is fast - probably faster than DMA2D.

diff --git a/drivers/gdisp/STM32LTDC/gdisp_lld_config.h b/drivers/gdisp/STM32LTDC/gdisp_lld_config.h
index 7777a1bc..2e3967c6 100644
--- a/drivers/gdisp/STM32LTDC/gdisp_lld_config.h
+++ b/drivers/gdisp/STM32LTDC/gdisp_lld_config.h
@@ -40,7 +40,7 @@
 	// DMA2D supports accelerated fills
  	#define GDISP_HARDWARE_FILLS		GFXON
 
-	// Accelerated bitfills are also possible but only for GDISP_ROTATE_0
+	// Accelerated bitfills are also possible but only for gOrientation0
 	//	and if no color translation is required (for now)
 	#if !GDISP_NEED_CONTROL && !defined(GDISP_PIXELFORMAT)
  		#define GDISP_HARDWARE_BITFILLS	GFXON
diff --git a/drivers/gdisp/TLS8204/gdisp_lld_TLS8204.c b/drivers/gdisp/TLS8204/gdisp_lld_TLS8204.c
index 80613719..128ffc5c 100644
--- a/drivers/gdisp/TLS8204/gdisp_lld_TLS8204.c
+++ b/drivers/gdisp/TLS8204/gdisp_lld_TLS8204.c
@@ -100,7 +100,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_TLS8204_WIDTH;
 	g->g.Height = GDISP_TLS8204_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -138,19 +138,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = g->p.y;
 				y = g->g.Width - g->p.x - 1;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width  - g->p.x - 1;
 				y = g->g.Height - g->p.y - 1;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - g->p.y - 1;
 				y = g->p.x;
 				break;
@@ -176,19 +176,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_TLS8204_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_TLS8204_WIDTH-1 - g->p.x;
 			y = GDISP_TLS8204_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_TLS8204_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -223,12 +223,12 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -236,9 +236,9 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -249,7 +249,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/TestStub/gdisp_lld_TestStub.c b/drivers/gdisp/TestStub/gdisp_lld_TestStub.c
index fa2fdc71..0fdd5314 100644
--- a/drivers/gdisp/TestStub/gdisp_lld_TestStub.c
+++ b/drivers/gdisp/TestStub/gdisp_lld_TestStub.c
@@ -33,7 +33,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
diff --git a/drivers/gdisp/UC1601s/gdisp_lld_UC1601s.c b/drivers/gdisp/UC1601s/gdisp_lld_UC1601s.c
index fb82f676..9b801ea5 100644
--- a/drivers/gdisp/UC1601s/gdisp_lld_UC1601s.c
+++ b/drivers/gdisp/UC1601s/gdisp_lld_UC1601s.c
@@ -107,7 +107,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -143,19 +143,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = g->p.y;
 				y = g->g.Width - g->p.x - 1;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width  - g->p.x - 1;
 				y = g->g.Height - g->p.y - 1;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - g->p.y - 1;
 				y = g->p.x;
 				break;
@@ -181,19 +181,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 			x = g->p.x;
 			y = g->p.y;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			x = g->p.y;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 			y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			x = GDISP_SCREEN_WIDTH-1 - g->p.y;
 			y = g->p.x;
 			break;
@@ -228,12 +228,12 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -241,9 +241,9 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -254,7 +254,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/UC1610/gdisp_lld_UC1610.c b/drivers/gdisp/UC1610/gdisp_lld_UC1610.c
index 123f3a32..e79173c2 100644
--- a/drivers/gdisp/UC1610/gdisp_lld_UC1610.c
+++ b/drivers/gdisp/UC1610/gdisp_lld_UC1610.c
@@ -124,7 +124,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
 	g->g.Contrast = GDISP_INITIAL_CONTRAST;
@@ -142,11 +142,11 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90 :
+			case gOrientation90 :
 				y = g->p.x;
 				x = g->p.y;
 				break;
-			case GDISP_ROTATE_270 :
+			case gOrientation270 :
 				y = g->p.x;
 				x = g->p.y;
 				break;
@@ -254,9 +254,9 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				return;
 
 			case GDISP_CONTROL_ORIENTATION:
-				if (g->g.Orientation == (orientation_t)g->p.ptr) { return; }
-				switch((orientation_t)g->p.ptr) {
-					case GDISP_ROTATE_0:
+				if (g->g.Orientation == (gOrientation)g->p.ptr) { return; }
+				switch((gOrientation)g->p.ptr) {
+					case gOrientation0:
 						g->g.Width  = GDISP_SCREEN_WIDTH;
 						g->g.Height = GDISP_SCREEN_HEIGHT;
 						cmdBuffer[0] = UC1610_SET_MAPPING_CONTROL;
@@ -265,7 +265,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						release_bus(g);
 						flush_screen(g);
 						break;
-					case GDISP_ROTATE_180:	// we can rotate 180° without modify screen buffer RAM(g)
+					case gOrientation180:	// we can rotate 180° without modify screen buffer RAM(g)
 						g->g.Width  = GDISP_SCREEN_WIDTH;
 						g->g.Height = GDISP_SCREEN_HEIGHT;
 						cmdBuffer[0] = UC1610_SET_MAPPING_CONTROL | UC1610_SET_MAPPING_CONTROL_MY_MASK | UC1610_SET_MAPPING_CONTROL_MX_MASK;
@@ -274,7 +274,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						release_bus(g);
 						flush_screen(g);
 						break;
-					case GDISP_ROTATE_90:	// needs clearing screen and updating RAM(g)
+					case gOrientation90:	// needs clearing screen and updating RAM(g)
 						g->g.Width  = GDISP_SCREEN_HEIGHT;
 						g->g.Height = GDISP_SCREEN_WIDTH;
 						cmdBuffer[0] = UC1610_SET_MAPPING_CONTROL | UC1610_SET_MAPPING_CONTROL_MX_MASK;
@@ -282,7 +282,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 						write_cmd(g, cmdBuffer, 1);
 						release_bus(g);
 						break;
-					case GDISP_ROTATE_270:	// needs clearing screen and updating RAM(g)
+					case gOrientation270:	// needs clearing screen and updating RAM(g)
 						g->g.Width  = GDISP_SCREEN_HEIGHT;
 						g->g.Height = GDISP_SCREEN_WIDTH;
 						cmdBuffer[0] = UC1610_SET_MAPPING_CONTROL | UC1610_SET_MAPPING_CONTROL_MY_MASK;
@@ -293,7 +293,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					default:
 						return;
 				}
-				g->g.Orientation = (orientation_t)g->p.ptr;
+				g->g.Orientation = (gOrientation)g->p.ptr;
 				return;
 
 			case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/gdisp/UC8173/gdisp_lld_UC8173.c b/drivers/gdisp/UC8173/gdisp_lld_UC8173.c
index 4a3c4ba4..6b860926 100644
--- a/drivers/gdisp/UC8173/gdisp_lld_UC8173.c
+++ b/drivers/gdisp/UC8173/gdisp_lld_UC8173.c
@@ -298,7 +298,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 	// Initialise the GDISP structure
 	g->g.Width = UC8173_WIDTH;
 	g->g.Height = UC8173_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 0;
 	g->g.Contrast = 0;
@@ -399,7 +399,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 		#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
 			switch(g->g.Orientation) {
 			default:
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 				#if FB_REVERSEAXIS_X
 					x = FB_WIDTH-1 - g->p.x;
 				#else
@@ -411,7 +411,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 					y = g->p.y;
 				#endif
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				#if FB_REVERSEAXIS_X
 					x = FB_WIDTH-1 - g->p.y;
 				#else
@@ -423,7 +423,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 					y = FB_HEIGHT-1 - g->p.x;
 				#endif
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				#if FB_REVERSEAXIS_X
 					x = g->p.x;
 				#else
@@ -435,7 +435,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay* g)
 					y = FB_HEIGHT-1 - g->p.y;
 				#endif
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				#if FB_REVERSEAXIS_X
 					x = g->p.y;
 				#else
diff --git a/drivers/gdisp/WS29EPD/gdisp_lld_WS29EPD.c b/drivers/gdisp/WS29EPD/gdisp_lld_WS29EPD.c
index b3f6a6cc..f1793ff4 100644
--- a/drivers/gdisp/WS29EPD/gdisp_lld_WS29EPD.c
+++ b/drivers/gdisp/WS29EPD/gdisp_lld_WS29EPD.c
@@ -104,7 +104,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	/* Initialise the GDISP structure */
 	g->g.Width = GDISP_SCREEN_WIDTH;
 	g->g.Height = GDISP_SCREEN_HEIGHT;
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	return gTrue;
 }
@@ -118,14 +118,14 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg(g, SET_RAM_X_CNT, g->p.x / WS29EPD_PPB);
 			write_reg_data(g, SET_RAM_Y_CNT, dataY, 2);
 			break;
 
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg(g, SET_RAM_Y_CNT, g->p.x / WS29EPD_PPB);
 			write_reg_data(g, SET_RAM_X_CNT, dataY, 2);
 			break;
@@ -147,13 +147,13 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		switch(g->g.Orientation) {
 		default:
-		case GDISP_ROTATE_0:
-		case GDISP_ROTATE_180:
+		case gOrientation0:
+		case gOrientation180:
 			write_reg_data(g, SET_RAM_X_ADR, dataX, 2);
 			write_reg_data(g, SET_RAM_Y_ADR, dataY, 4);
 			break;
-		case GDISP_ROTATE_90:
-		case GDISP_ROTATE_270:
+		case gOrientation90:
+		case gOrientation270:
 			write_reg_data(g, SET_RAM_X_ADR, dataY, 4);
 			write_reg_data(g, SET_RAM_Y_ADR, dataX, 2);
 			break;
@@ -167,19 +167,19 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 
 	switch(g->g.Orientation) {
 	default:
-	case GDISP_ROTATE_0:
+	case gOrientation0:
 		x = g->p.x;
 		y = g->p.y;
 		break;
-	case GDISP_ROTATE_90:
+	case gOrientation90:
 		x = g->p.y;
 		y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
 		break;
-	case GDISP_ROTATE_180:
+	case gOrientation180:
 		x = GDISP_SCREEN_WIDTH-1 - g->p.x;
 		y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 		break;
-	case GDISP_ROTATE_270:
+	case gOrientation270:
 		x = GDISP_SCREEN_HEIGHT-1 - g->p.y;
 		y = g->p.x;
 		break;
@@ -239,29 +239,29 @@ LLDSPEC void gdisp_lld_control(GDisplay *g) {
 		return;
 
   case GDISP_CONTROL_ORIENTATION:
-		if (g->g.Orientation == (orientation_t)g->p.ptr)
+		if (g->g.Orientation == (gOrientation)g->p.ptr)
 			return;
-		switch((orientation_t)g->p.ptr) {
-		case GDISP_ROTATE_0:
+		switch((gOrientation)g->p.ptr) {
+		case gOrientation0:
 			g->g.Height = GDISP_SCREEN_HEIGHT;
 			g->g.Width = GDISP_SCREEN_WIDTH;
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			g->g.Height = GDISP_SCREEN_WIDTH;
 			g->g.Width = GDISP_SCREEN_HEIGHT;
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			g->g.Height = GDISP_SCREEN_HEIGHT;
 			g->g.Width = GDISP_SCREEN_WIDTH;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			g->g.Height = GDISP_SCREEN_WIDTH;
 			g->g.Width = GDISP_SCREEN_HEIGHT;
 			break;
 		default:
 			return;
 		}
-		g->g.Orientation = (orientation_t)g->p.ptr;
+		g->g.Orientation = (gOrientation)g->p.ptr;
 		return;
 	default:
 		return;
diff --git a/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c b/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c
index fb09d1c9..ad46da3c 100644
--- a/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c
+++ b/drivers/gdisp/framebuffer/gdisp_lld_framebuffer.c
@@ -44,7 +44,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	((fbPriv *)g->priv)->fbi.linelen = 0;
 
 	// Initialize the GDISP structure
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->board = 0;							// preinitialize
 	board_init(g, &((fbPriv *)g->priv)->fbi);
@@ -63,17 +63,17 @@ LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g) {
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -90,17 +90,17 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 
 	#if GDISP_NEED_CONTROL
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			pos = PIXIL_POS(g, g->p.x, g->p.y);
 			break;
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			pos = PIXIL_POS(g, g->p.y, g->g.Width-g->p.x-1);
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			pos = PIXIL_POS(g, g->g.Width-g->p.x-1, g->g.Height-g->p.y-1);
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			pos = PIXIL_POS(g, g->g.Height-g->p.y-1, g->p.x);
 			break;
 		}
@@ -129,12 +129,12 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 			return;
 
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
-					if (g->g.Orientation == GDISP_ROTATE_90 || g->g.Orientation == GDISP_ROTATE_270) {
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
+					if (g->g.Orientation == gOrientation90 || g->g.Orientation == gOrientation270) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -142,9 +142,9 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 						g->g.Height = tmp;
 					}
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
-					if (g->g.Orientation == GDISP_ROTATE_0 || g->g.Orientation == GDISP_ROTATE_180) {
+				case gOrientation90:
+				case gOrientation270:
+					if (g->g.Orientation == gOrientation0 || g->g.Orientation == gOrientation180) {
 						gCoord		tmp;
 
 						tmp = g->g.Width;
@@ -155,7 +155,7 @@ LLDSPEC	gColor gdisp_lld_get_pixel_color(GDisplay *g) {
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 
 		case GDISP_CONTROL_BACKLIGHT:
diff --git a/drivers/ginput/touch/FT5x06/gmouse_lld_FT5x06.c b/drivers/ginput/touch/FT5x06/gmouse_lld_FT5x06.c
index aef4de42..bf34654a 100644
--- a/drivers/ginput/touch/FT5x06/gmouse_lld_FT5x06.c
+++ b/drivers/ginput/touch/FT5x06/gmouse_lld_FT5x06.c
@@ -77,13 +77,13 @@ static gBool read_xyz(GMouse* m, GMouseReading* pdr)
 			#if GDISP_NEED_CONTROL
 				switch(gdispGGetOrientation(m->display)) {
 				default:
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
+				case gOrientation0:
+				case gOrientation180:
 					pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
 					pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
+				case gOrientation90:
+				case gOrientation270:
 					pdr->x = gdispGGetHeight(m->display) - pdr->x / (4096/gdispGGetHeight(m->display));
 					pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
 					break;
diff --git a/drivers/ginput/touch/FT6x06/gmouse_lld_FT6x06.c b/drivers/ginput/touch/FT6x06/gmouse_lld_FT6x06.c
index 674a057a..eb563c43 100644
--- a/drivers/ginput/touch/FT6x06/gmouse_lld_FT6x06.c
+++ b/drivers/ginput/touch/FT6x06/gmouse_lld_FT6x06.c
@@ -77,13 +77,13 @@ static gBool read_xyz(GMouse* m, GMouseReading* pdr)
 			#if GDISP_NEED_CONTROL
 				switch(gdispGGetOrientation(m->display)) {
 				default:
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
+				case gOrientation0:
+				case gOrientation180:
 					pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
 					pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
+				case gOrientation90:
+				case gOrientation270:
 					pdr->x = gdispGGetHeight(m->display) - pdr->x / (4096/gdispGGetHeight(m->display));
 					pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
 					break;
diff --git a/drivers/ginput/touch/STMPE610/gmouse_lld_STMPE610.c b/drivers/ginput/touch/STMPE610/gmouse_lld_STMPE610.c
index 3d3acc55..39fe0a24 100644
--- a/drivers/ginput/touch/STMPE610/gmouse_lld_STMPE610.c
+++ b/drivers/ginput/touch/STMPE610/gmouse_lld_STMPE610.c
@@ -211,14 +211,14 @@ static gBool read_xyz(GMouse* m, GMouseReading* pdr)
 		#if GDISP_NEED_CONTROL
 			switch(gdispGGetOrientation(m->display)) {
 			default:
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			case gOrientation0:
+			case gOrientation180:
 			default:
 				pdr->x = pdr->x / (4096/gdispGGetWidth(m->display));
 				pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				pdr->x = pdr->x / (4096/gdispGGetHeight(m->display));
 				pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
 				break;
diff --git a/drivers/ginput/touch/STMPE811/gmouse_lld_STMPE811.c b/drivers/ginput/touch/STMPE811/gmouse_lld_STMPE811.c
index 6f8b442e..dca750c4 100644
--- a/drivers/ginput/touch/STMPE811/gmouse_lld_STMPE811.c
+++ b/drivers/ginput/touch/STMPE811/gmouse_lld_STMPE811.c
@@ -211,13 +211,13 @@ static gBool read_xyz(GMouse* m, GMouseReading* pdr)
 		#if GDISP_NEED_CONTROL
 			switch(gdispGGetOrientation(m->display)) {
 			default:
-			case GDISP_ROTATE_0:
-			case GDISP_ROTATE_180:
+			case gOrientation0:
+			case gOrientation180:
 				pdr->x = gdispGGetWidth(m->display) - pdr->x / (4096/gdispGGetWidth(m->display));
 				pdr->y = pdr->y / (4096/gdispGGetHeight(m->display));
 				break;
-			case GDISP_ROTATE_90:
-			case GDISP_ROTATE_270:
+			case gOrientation90:
+			case gOrientation270:
 				pdr->x = gdispGGetHeight(m->display) - pdr->x / (4096/gdispGGetHeight(m->display));
 				pdr->y = pdr->y / (4096/gdispGGetWidth(m->display));
 				break;
diff --git a/drivers/multiple/SDL/gdisp_lld_SDL.c b/drivers/multiple/SDL/gdisp_lld_SDL.c
index 6603ef7b..e594e649 100644
--- a/drivers/multiple/SDL/gdisp_lld_SDL.c
+++ b/drivers/multiple/SDL/gdisp_lld_SDL.c
@@ -372,7 +372,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 #if GINPUT_NEED_MOUSE
 	gdriverRegister((const GDriverVMT *)GMOUSE_DRIVER_VMT, g);
 #endif
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 100;
 
diff --git a/drivers/multiple/Win32/gdisp_lld_Win32.c b/drivers/multiple/Win32/gdisp_lld_Win32.c
index 6c0d7df2..fff7fd58 100644
--- a/drivers/multiple/Win32/gdisp_lld_Win32.c
+++ b/drivers/multiple/Win32/gdisp_lld_Win32.c
@@ -849,7 +849,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	}
 
 	// Initialise the GDISP structure
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 100;
 	g->g.Contrast = 50;
@@ -952,20 +952,20 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				x = priv->x;
 				y = priv->y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = priv->y;
 				y = g->g.Width - 1 - priv->x;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width - 1 - priv->x;
 				y = g->g.Height - 1 - priv->y;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - 1 - priv->y;
 				y = priv->x;
 				break;
@@ -1061,17 +1061,17 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		WaitForSingleObject(drawMutex, INFINITE);
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				color = GetPixel(priv->dcBuffer, priv->x, priv->y);
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				color = GetPixel(priv->dcBuffer, priv->y, g->g.Width - 1 - priv->x);
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				color = GetPixel(priv->dcBuffer, g->g.Width - 1 - priv->x, g->g.Height - 1 - priv->y);
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				color = GetPixel(priv->dcBuffer, g->g.Height - 1 - priv->y, priv->x);
 				break;
 			}
@@ -1109,20 +1109,20 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				x = g->p.x;
 				y = g->p.y;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				x = g->p.y;
 				y = g->g.Width - 1 - g->p.x;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				x = g->g.Width - 1 - g->p.x;
 				y = g->g.Height - 1 - g->p.y;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				x = g->g.Height - 1 - g->p.y;
 				y = g->p.x;
 				break;
@@ -1170,26 +1170,26 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				rect.top = g->p.y;
 				rect.bottom = rect.top + g->p.cy;
 				rect.left = g->p.x;
 				rect.right = rect.left + g->p.cx;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				rect.bottom = g->g.Width - g->p.x;
 				rect.top = rect.bottom - g->p.cx;
 				rect.left = g->p.y;
 				rect.right = rect.left + g->p.cy;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				rect.bottom = g->g.Height - g->p.y;
 				rect.top = rect.bottom - g->p.cy;
 				rect.right = g->g.Width - g->p.x;
 				rect.left = rect.right - g->p.cx;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				rect.top = g->p.x;
 				rect.bottom = rect.top + g->p.cx;
 				rect.right = g->g.Height - g->p.y;
@@ -1238,22 +1238,22 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		// Copy the bits we need
 		switch(g->g.Orientation) {
-		case GDISP_ROTATE_0:
+		case gOrientation0:
 		default:
 			return 0;					// not handled as it doesn't need to be.
-		case GDISP_ROTATE_90:
+		case gOrientation90:
 			for(src = buffer+g->p.x1, j = 0; j < g->p.cy; j++, src += g->p.x2 - g->p.cx) {
 				dst = dstbuf+sz-g->p.cy+j;
 				for(i = 0; i < g->p.cx; i++, dst -= g->p.cy)
 					*dst = *src++;
 			}
 			break;
-		case GDISP_ROTATE_180:
+		case gOrientation180:
 			for(dst = dstbuf+sz, src = buffer+g->p.x1, j = 0; j < g->p.cy; j++, src += g->p.x2 - g->p.cx)
 				for(i = 0; i < g->p.cx; i++)
 					*--dst = *src++;
 			break;
-		case GDISP_ROTATE_270:
+		case gOrientation270:
 			for(src = buffer+g->p.x1, j = 0; j < g->p.cy; j++, src += g->p.x2 - g->p.cx) {
 				dst = dstbuf+g->p.cy-j-1;
 				for(i = 0; i < g->p.cx; i++, dst += g->p.cy)
@@ -1298,7 +1298,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				bmpInfo.bV4SizeImage = (g->p.cy*g->p.x2) * sizeof(gPixel);
 				bmpInfo.bV4Width = g->p.x2;
@@ -1308,7 +1308,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				rect.left = g->p.x;
 				rect.right = rect.left+g->p.cx;
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				if (!(buffer = rotateimg(g, buffer))) return;
 				bmpInfo.bV4SizeImage = (g->p.cy*g->p.cx) * sizeof(gPixel);
 				bmpInfo.bV4Width = g->p.cy;
@@ -1318,7 +1318,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				rect.left = g->p.y;
 				rect.right = rect.left+g->p.cy;
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				if (!(buffer = rotateimg(g, buffer))) return;
 				bmpInfo.bV4SizeImage = (g->p.cy*g->p.cx) * sizeof(gPixel);
 				bmpInfo.bV4Width = g->p.cx;
@@ -1328,7 +1328,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				rect.right = g->g.Width - g->p.x;
 				rect.left = rect.right-g->p.cx;
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				if (!(buffer = rotateimg(g, buffer))) return;
 				bmpInfo.bV4SizeImage = (g->p.cy*g->p.cx) * sizeof(gPixel);
 				bmpInfo.bV4Width = g->p.cy;
@@ -1381,17 +1381,17 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		WaitForSingleObject(drawMutex, INFINITE);
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				color = GetPixel(priv->dcBuffer, g->p.x, g->p.y);
 				break;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				color = GetPixel(priv->dcBuffer, g->p.y, g->g.Width - 1 - g->p.x);
 				break;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				color = GetPixel(priv->dcBuffer, g->g.Width - 1 - g->p.x, g->g.Height - 1 - g->p.y);
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				color = GetPixel(priv->dcBuffer, g->g.Height - 1 - g->p.y, g->p.x);
 				break;
 			}
@@ -1414,7 +1414,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 
 		#if GDISP_NEED_CONTROL
 			switch(g->g.Orientation) {
-			case GDISP_ROTATE_0:
+			case gOrientation0:
 			default:
 				rect.top = g->p.y;
 				rect.bottom = rect.top+g->p.cy;
@@ -1422,14 +1422,14 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				rect.right = rect.left+g->p.cx;
 				lines = -g->p.y1;
 				goto vertical_scroll;
-			case GDISP_ROTATE_90:
+			case gOrientation90:
 				rect.bottom = g->g.Width - g->p.x;
 				rect.top = rect.bottom-g->p.cx;
 				rect.left = g->p.y;
 				rect.right = rect.left+g->p.cy;
 				lines = -g->p.y1;
 				goto horizontal_scroll;
-			case GDISP_ROTATE_180:
+			case gOrientation180:
 				rect.bottom = g->g.Height - g->p.y;
 				rect.top = rect.bottom-g->p.cy;
 				rect.right = g->g.Width - g->p.x;
@@ -1458,7 +1458,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 					#endif
 				}
 				break;
-			case GDISP_ROTATE_270:
+			case gOrientation270:
 				rect.top = g->p.x;
 				rect.bottom = rect.top+g->p.cx;
 				rect.right = g->g.Height - g->p.y;
@@ -1523,23 +1523,23 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	LLDSPEC void gdisp_lld_control(GDisplay *g) {
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
+				case gOrientation90:
+				case gOrientation270:
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			return;
 /*
 		case GDISP_CONTROL_POWER:
@@ -1574,19 +1574,19 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 				gCoord		t;
 
 				switch(gdispGGetOrientation(m->display)) {
-					case GDISP_ROTATE_0:
+					case gOrientation0:
 					default:
 						break;
-					case GDISP_ROTATE_90:
+					case gOrientation90:
 						t = pt->x;
 						pt->x = g->g.Width - 1 - pt->y;
 						pt->y = t;
 						break;
-					case GDISP_ROTATE_180:
+					case gOrientation180:
 						pt->x = g->g.Width - 1 - pt->x;
 						pt->y = g->g.Height - 1 - pt->y;
 						break;
-					case GDISP_ROTATE_270:
+					case gOrientation270:
 						t = pt->y;
 						pt->y = g->g.Height - 1 - pt->x;
 						pt->x = t;
diff --git a/drivers/multiple/X/gdisp_lld_X.c b/drivers/multiple/X/gdisp_lld_X.c
index 3f1c548c..7e5c85f9 100644
--- a/drivers/multiple/X/gdisp_lld_X.c
+++ b/drivers/multiple/X/gdisp_lld_X.c
@@ -397,7 +397,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		gfxSleepMilliseconds(100);
 
 	/* Initialise the GDISP structure to match */
-    g->g.Orientation = GDISP_ROTATE_0;
+    g->g.Orientation = gOrientation0;
     g->g.Powermode = gPowerOn;
     g->g.Backlight = 100;
     g->g.Contrast = 50;
diff --git a/drivers/multiple/uGFXnet/gdisp_lld_uGFXnet.c b/drivers/multiple/uGFXnet/gdisp_lld_uGFXnet.c
index 573e4bb0..d1f78fac 100644
--- a/drivers/multiple/uGFXnet/gdisp_lld_uGFXnet.c
+++ b/drivers/multiple/uGFXnet/gdisp_lld_uGFXnet.c
@@ -452,7 +452,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	#endif
 
 	// Initialise the GDISP structure
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 100;
 	g->g.Contrast = 50;
@@ -649,7 +649,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		// Check if we might support the code
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
 			break;
 		case GDISP_CONTROL_POWER:
@@ -689,21 +689,21 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		// Update the local stuff
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
+				case gOrientation90:
+				case gOrientation270:
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			break;
 		case GDISP_CONTROL_POWER:
 			g->g.Powermode = (gPowermode)g->p.ptr;
diff --git a/drivers/multiple/uGFXnetESP8266/gdisp_lld_uGFXnetESP8266.cpp b/drivers/multiple/uGFXnetESP8266/gdisp_lld_uGFXnetESP8266.cpp
index d94b0c34..e9221419 100644
--- a/drivers/multiple/uGFXnetESP8266/gdisp_lld_uGFXnetESP8266.cpp
+++ b/drivers/multiple/uGFXnetESP8266/gdisp_lld_uGFXnetESP8266.cpp
@@ -335,7 +335,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 	#endif
 
 	// Initialise the GDISP structure
-	g->g.Orientation = GDISP_ROTATE_0;
+	g->g.Orientation = gOrientation0;
 	g->g.Powermode = gPowerOn;
 	g->g.Backlight = 100;
 	g->g.Contrast = 50;
@@ -532,7 +532,7 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		// Check if we might support the code
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			if (g->g.Orientation == (orientation_t)g->p.ptr)
+			if (g->g.Orientation == (gOrientation)g->p.ptr)
 				return;
 			break;
 		case GDISP_CONTROL_POWER:
@@ -572,21 +572,21 @@ LLDSPEC gBool gdisp_lld_init(GDisplay *g) {
 		// Update the local stuff
 		switch(g->p.x) {
 		case GDISP_CONTROL_ORIENTATION:
-			switch((orientation_t)g->p.ptr) {
-				case GDISP_ROTATE_0:
-				case GDISP_ROTATE_180:
+			switch((gOrientation)g->p.ptr) {
+				case gOrientation0:
+				case gOrientation180:
 					g->g.Width = GDISP_SCREEN_WIDTH;
 					g->g.Height = GDISP_SCREEN_HEIGHT;
 					break;
-				case GDISP_ROTATE_90:
-				case GDISP_ROTATE_270:
+				case gOrientation90:
+				case gOrientation270:
 					g->g.Height = GDISP_SCREEN_WIDTH;
 					g->g.Width = GDISP_SCREEN_HEIGHT;
 					break;
 				default:
 					return;
 			}
-			g->g.Orientation = (orientation_t)g->p.ptr;
+			g->g.Orientation = (gOrientation)g->p.ptr;
 			break;
 		case GDISP_CONTROL_POWER:
 			g->g.Powermode = (gPowermode)g->p.ptr;