stm32f429i-disco: slightly interactive display demo with fonts and ve…

…ctor graphics

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "libopencm3"]
 	path = libopencm3
-	url = https://github.com/libopencm3/libopencm3.git
+	url = https://github.com/H2OBrain/libopencm3.git

examples/Makefile.rules

@@ -78,7 +78,7 @@ SCRIPT_DIR	= $(OPENCM3_DIR)/scripts
 ###############################################################################
 # C flags
 
-CFLAGS		+= -Os -g
+CFLAGS		?= -Os -g
 CFLAGS		+= -Wextra -Wshadow -Wimplicit-function-declaration
 CFLAGS		+= -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
 CFLAGS		+= -fno-common -ffunction-sections -fdata-sections

examples/stm32/f4/stm32f429i-discovery/lcd-ltdc-touch/Makefile

@@ -0,0 +1,13 @@
+OBJS     = clock.o gfx_locm3.o lcd_ili9341.o sdram.o fonts/Tamsyn5x9b_9.o fonts/Tamsyn5x9r_9.o
+OBJS    += i2c.o touchscreen_controller_stmpe811.o
+
+BINARY   = application
+
+CFLAGS   = -O0 -g
+
+# we use sin/cos from the library
+LDLIBS   = -lm
+
+LDSCRIPT = ../stm32f429i-discovery.ld
+
+include ../../Makefile.include

examples/stm32/f4/stm32f429i-discovery/lcd-ltdc-touch/README.md

@@ -0,0 +1,7 @@
+# README
+
+Small test with minimal graphics lib for ltdc graphics controller.
+
+Two additional python scripts are provided to create your own font and bitmap header files.
+
+06/01/16 H2OBrain