diff --git a/boards/base/FireBull-STM32F103-FB/board_SSD1289.h b/boards/base/FireBull-STM32F103-FB/board_SSD1289.h
index 99001e07..e7c07c70 100644
--- a/boards/base/FireBull-STM32F103-FB/board_SSD1289.h
+++ b/boards/base/FireBull-STM32F103-FB/board_SSD1289.h
@@ -113,6 +113,8 @@ static inline void setwritemode(GDisplay *g)
 }
 
 static inline uint16_t read_data(GDisplay *g) {
+	(void) g;
+
 	return palReadPort(GPIOE);
 }
 
diff --git a/docs/releases.txt b/docs/releases.txt
index e0c47c4a..31fe2843 100644
--- a/docs/releases.txt
+++ b/docs/releases.txt
@@ -10,6 +10,7 @@ FEATURE:	Added Linux-Framebuffer board definition
 FEATURE:	Added FatFS support for GFILE
 FEATURE:	Added gfileMount() and gfileUnmount()
 FEATURE:	Added gfileSync()
+FEATURE:	Added gwinDrawThickLine()
 
 
 *** Release 2.1 ***
diff --git a/drivers/gdisp/PCF8812/driver.mk b/drivers/gdisp/PCF8812/driver.mk
new file mode 100644
index 00000000..f2394eaf
--- /dev/null
+++ b/drivers/gdisp/PCF8812/driver.mk
@@ -0,0 +1,2 @@
+GFXINC += $(GFXLIB)/drivers/gdisp/PCF8812
+GFXSRC += $(GFXLIB)/drivers/gdisp/PCF8812/gdisp_lld_PCF8812.c
diff --git a/src/gos/ecos.h b/src/gos/ecos.h
index c24f3824..be9037b6 100644
--- a/src/gos/ecos.h
+++ b/src/gos/ecos.h
@@ -73,7 +73,7 @@ void gfxSleepMilliseconds(delaytime_t ms);
 void gfxSleepMicroseconds(delaytime_t ms);
 
 #define gfxAlloc(sz)					malloc(sz)
-#define gfxFree(ptr)					free(sz)
+#define gfxFree(ptr)					free(ptr)
 #define gfxRealloc(ptr, oldsz, newsz)	realloc(ptr, newsz)
 
 #define gfxSystemLock()					cyg_scheduler_lock()
diff --git a/src/gos/sys_make.mk b/src/gos/sys_make.mk
index 8ef22121..9e24f875 100644
--- a/src/gos/sys_make.mk
+++ b/src/gos/sys_make.mk
@@ -4,4 +4,5 @@ GFXSRC +=   $(GFXLIB)/src/gos/chibios.c	\
 			$(GFXLIB)/src/gos/linux.c \
 			$(GFXLIB)/src/gos/osx.c \
 			$(GFXLIB)/src/gos/raw32.c \
+			$(GFXLIB)/src/gos/ecos.c
 
diff --git a/src/gwin/gwin.c b/src/gwin/gwin.c
index e1625b13..ab2e2981 100644
--- a/src/gwin/gwin.c
+++ b/src/gwin/gwin.c
@@ -226,6 +226,12 @@ void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1) {
 	_gwinDrawEnd(gh);
 }
 
+void gwinDrawThickLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1, coord_t width, bool_t round) {
+	if (!_gwinDrawStart(gh)) return;
+	gdispGDrawThickLine(gh->display, gh->x+x0, gh->y+y0, gh->x+x1, gh->y+y1, gh->color, width, round);
+	_gwinDrawEnd(gh);
+}
+
 void gwinDrawBox(GHandle gh, coord_t x, coord_t y, coord_t cx, coord_t cy) {
 	if (!_gwinDrawStart(gh)) return;
 	gdispGDrawBox(gh->display, gh->x+x, gh->y+y, cx, cy, gh->color);
diff --git a/src/gwin/sys_defs.h b/src/gwin/sys_defs.h
index 830827b2..169b4498 100644
--- a/src/gwin/sys_defs.h
+++ b/src/gwin/sys_defs.h
@@ -600,6 +600,24 @@ extern "C" {
 	 */
 	void gwinDrawLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1);
 
+	/**
+	 * @brief	Draw a thick line in the window
+	 * @details	The line thickness is specified in pixels. The line ends can
+	 *		be selected to be either flat or round.
+	 * @note	Uses gdispGFillConvexPoly() internally to perform the drawing.
+	 * @note	Uses the current foreground color to draw the line
+	 * 
+	 * @param[in] gh		The window handle
+	 * @param[in] x0,y0		The start position
+	 * @param[in] x1,y1		The end position
+	 * @param[in] color		The color to use
+	 * @param[in] width		The width of the line
+	 * @param[in] round		Use round ends for the line
+	 * 
+	 * @api
+	 */
+	void gwinDrawThickLine(GHandle gh, coord_t x0, coord_t y0, coord_t x1, coord_t y1, coord_t width, bool_t round);
+
 	/**
 	 * @brief   Draw a box in the window
 	 * @note	Uses the current foreground color to draw the box