Add support for FreeRTOS into make system

boards/base/RaspberryPi/FreeRTOS/freertos_main.c

@@ -3,43 +3,23 @@
 
 #include "Drivers/interrupts.h"
 
-#include "gfx.h"
+extern int main(void);
 
-static void displayTask(void *pvParameters) {
-	coord_t		width, height;
-	// Get the screen size
-    width = gdispGetWidth();
-    height = gdispGetHeight();
-
-    // Code Here
-	gdispDrawBox(10, 10, width/2, height/2, Yellow);
-    gdispFillArea(width/2, height/2, width/2-10, height/2-10, Blue);
-    gdispDrawLine(5, 30, width-50, height-40, Red);
-
-	while(1)
-	{
-		vTaskDelay(1000);
-	}
-
-	return;
+static void mainTask(void *pvParameters) {
+	(void)	pvParameters;
+	main();
 }
 
 /**
  *	This is the systems main entry, some call it a boot thread.
- *
- *	-- Absolutely nothing wrong with this being called main(), just it doesn't have
- *	-- the same prototype as you'd see in a linux program.
  **/
-int main(void) {
+int FreeRTOS_Main(void) {
 
 	DisableInterrupts();
 	InitInterruptController();
 
-   // Initialize and clear the display
-   gfxInit();
-   
-   xTaskCreate(displayTask,
-			  (portCHAR *)"Display Task",
+   xTaskCreate(mainTask,
+			  (portCHAR *)"Main Task",
 			  128,
 			  NULL, 
 			  0, 

boards/base/RaspberryPi/FreeRTOS/startup.s

@@ -4,7 +4,7 @@
 .extern vFreeRTOS_ISR
 .extern vPortYieldProcessor
 .extern DisableInterrupts
-.extern main
+.extern FreeRTOS_Main
 	.section .init
 	.globl _start
 ;; 
@@ -79,7 +79,7 @@ zero_loop:
 	
 	
 	;@ 	mov	sp,#0x1000000
-	b main									;@ We're ready?? Lets start main execution!
+	b FreeRTOS_Main									;@ We're ready?? Lets start main execution!
 	.section .text
 
 undefined_instruction:

boards/base/RaspberryPi/example-FreeRTOS/Makefile

@@ -1,73 +1,55 @@
-# build environment
-PREFIX ?= /your compiler path/gcc-arm-none-eabi-4_8-2014q1
-ARCH ?= $(PREFIX)/bin/arm-none-eabi
+# Possible Targets:	all clean Debug cleanDebug Release cleanRelease
 
-CC = ${ARCH}-gcc
-CPP = ${ARCH}-g++
-AS = ${ARCH}-as
-LD = ${ARCH}-ld
-AR = ${ARCH}-ar
-OBJCOPY = ${ARCH}-objcopy
+##############################################################################################
+# Settings
+#
 
-PLATFORM = raspi
-LINKER_SCRIPT = raspberrypi.ld
+# General settings
+	# See $(GFXLIB)/tools/gmake_scripts/readme.txt for the list of variables
+	OPT_OS					= freertos
+	OPT_THUMB				= yes
+	OPT_LINK_OPTIMIZE		= yes
+	# For the raspberry pi we can either use the generic armv6 cpu or the highly optimized raspberrypi settings
+	OPT_CPU					= raspberrypi
 
-CFLAGS = -march=armv6z -g -Wall -Wextra
-ASFLAGS = -g 
+# uGFX settings
+	# See $(GFXLIB)/tools/gmake_scripts/library_ugfx.mk for the list of variables
+	GFXLIB					= ../uGFX
+	GFXBOARD				= RaspberryPi
+	GFXDEMO					= modules/gdisp/basics
 
-CFLAGS_FOR_TARGET = #-mcpu=arm1176jzf-s
-ASFLAGS_FOR_TARGET = #-mcpu=arm1176jzf-s
-LDFLAGS = #--error-unresolved-symbols
+# FreeRTOS settings
+ifeq ($(OPT_OS),freertos)
+	# See $(GFXLIB)/tools/gmake_scripts/os_freertos.mk for the list of variables
+	FREERTOS			= ../FreeRTOS
+	FREERTOS_BOARD		= RaspberryPi
+	FREERTOS_MODULES	= $(GFXLIB)/boards/base/RaspberryPi/FreeRTOS
+	FREERTOS_LDSCRIPT	= $(GFXLIB)/boards/base/RaspberryPi/FreeRTOS/raspberrypi.ld
+endif
 
-GFXLIB := ../uGFX
-include $(GFXLIB)/gfx.mk
-include $(GFXLIB)/drivers/gdisp/framebuffer/driver.mk
+##############################################################################################
+# Set these for your project
+#
 
-OSLIB := ../FreeRTOS
-MODULES := $(OSLIB)/Source/portable/GCC/RaspberryPi
-MODULES += $(OSLIB)/Source/portable/MemMang
-MODULES += $(OSLIB)/Source
-MODULES += Drivers
-
-SRC_DIR := $(MODULES)
-INC_DIR := $(addsuffix /include,$(SRC_DIR))
-BUILD_DIR := $(addsuffix /build,$(SRC_DIR))
-
-INCLUDEDIRS := $(OSLIB)/Source/portable/GCC/RaspberryPi
-INCLUDEDIRS += $(OSLIB)/Source/include
-INCLUDEDIRS += Drivers
-INCLUDEDIRS += $(GFXINC)
-
-INCLUDES := $(addprefix -I,$(INCLUDEDIRS))
-
-ASRC     := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.s))
-AOBJ     := $(ASRC:.s=.o)
-CSRC     := $(foreach sdir,$(SRC_DIR),$(wildcard $(sdir)/*.c))
-CSRC += $(GFXSRC)
-COBJ     := $(CSRC:.c=.o)
-
-vpath %.c $(SRC_DIR)
-vpath %.cpp $(SRC_DIR)
-vpath %.s $(SRC_DIR)
-
-%.o: %.c
-	$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c -o $*.o $<
-
-%.o: %.s
-	$(AS) $(ASFLAGS_FOR_TARGET) $(INCLUDES) $(ASFLAGS) -o $*.o $<
-
-OBJ = $(AOBJ) $(COBJ)
-
-bin/kernel.img: bin/kernel.elf
-	${OBJCOPY} -O binary $< $@
-
-bin/kernel.elf: LDFLAGS += -L "$(PREFIX)/lib/gcc/arm-none-eabi/4.8.3" -lgcc
-bin/kernel.elf: LDFLAGS += -L "$(PREFIX)/arm-none-eabi/lib" -lc
-bin/kernel.elf: $(OBJ)
-	${LD} $(OBJ) -Map bin/kernel.map -o $@ -T $(LINKER_SCRIPT) ${LDFLAGS}
-
-clean:
-	rm -f bin/*.elf bin/*.img bin/*.map $(OBJ)
+ARCH     = arm-none-eabi-
+SRCFLAGS = -ggdb -O0
+CFLAGS   =
+CXXFLAGS = -fno-rtti
+ASFLAGS  =
+LDFLAGS  =
 
+SRC      =
+OBJS     =
+DEFS     =
+LIBS     =
+INCPATH  =
+LIBPATH  =
 
+##############################################################################################
+# These should be at the end
+#
 
+include $(GFXLIB)/tools/gmake_scripts/library_ugfx.mk
+include $(GFXLIB)/tools/gmake_scripts/os_$(OPT_OS).mk
+include $(GFXLIB)/tools/gmake_scripts/compiler_gcc.mk
+# *** EOF ***

tools/gmake_scripts/cpu_armv6.mk

@@ -0,0 +1,18 @@
+#
+# This file is subject to the terms of the GFX License. If a copy of
+# the license was not distributed with this file, you can obtain one at:
+#
+#             http://ugfx.org/license.html
+#
+
+#
+# See readme.txt for the make API
+#
+
+# Requirements:
+#
+# NONE
+#
+
+SRCFLAGS += -march=armv6 -mfpu=vfp -mfloat-abi=hard
+LDFLAGS  += -march=armv6 -mfpu=vfp -mfloat-abi=hard

tools/gmake_scripts/cpu_raspberrypi.mk

@@ -0,0 +1,18 @@
+#
+# This file is subject to the terms of the GFX License. If a copy of
+# the license was not distributed with this file, you can obtain one at:
+#
+#             http://ugfx.org/license.html
+#
+
+#
+# See readme.txt for the make API
+#
+
+# Requirements:
+#
+# NONE
+#
+
+SRCFLAGS += -march=armv6zk -mcpu=arm1176jzf-s -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard
+LDFLAGS  += -march=armv6zk -mcpu=arm1176jzf-s -mtune=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard

tools/gmake_scripts/os_freertos.mk

@@ -0,0 +1,36 @@
+#
+# This file is subject to the terms of the GFX License. If a copy of
+# the license was not distributed with this file, you can obtain one at:
+#
+#             http://ugfx.org/license.html
+#
+
+# See readme.txt for the make API
+
+# Requirements:
+#
+# FREERTOS:			The location of the FreeRTOS code	eg FREERTOS=../FreeRTOS
+# FREERTOS_BOARD	The board name						eg FREERTOS_BOARD=RaspberryPi
+#
+
+# Optional:
+#
+# FREERTOS_MODULES	 A list of directories containing FreeRTOS source (eg drivers, startup etc) - default is ""
+# FREERTOS_LDSCRIPT  The loader script - default is ""
+#
+
+PATHLIST += FREERTOS
+
+FREERTOS_MODULES += $(FREERTOS)/Source/portable/GCC/$(FREERTOS_BOARD)
+FREERTOS_MODULES += $(FREERTOS)/Source/portable/MemMang
+FREERTOS_MODULES += $(FREERTOS)/Source
+
+INCPATH += $(FREERTOS)/Source/portable/GCC/$(FREERTOS_BOARD)	\
+           $(FREERTOS)/Source/include
+
+SRC     += $(foreach sdir,$(FREERTOS_MODULES),$(wildcard $(sdir)/*.s))
+SRC     += $(foreach sdir,$(FREERTOS_MODULES),$(wildcard $(sdir)/*.c))
+
+ifeq ($(LDSCRIPT),)
+  LDSCRIPT= $(FREERTOS_LDSCRIPT)
+endif

tools/gmake_scripts/readme.txt

@@ -16,7 +16,7 @@ OPT_COPY_EXE=no|yes				- Copy the final program to the local project directory -
 OPT_NONSTANDARD_FLAGS=no		- Turn off adding the standard compiler language flags - default no
 OPT_LINK_OPTIMIZE=no			- Remove unused code/data during link - default no
 OPT_OS=win32|win32.chibios|linux|osx|chibios|freertos|ecos|raw32|rawrtos	- Mandatory: The operating system
-OPT_CPU=x86|x64|stm32m4|at91sam7	- Add some cpu dependant flags
+OPT_CPU=x86|x64|stm32m4|at91sam7|armv6|raspberrypi	- Add some cpu dependant flags
 
 BUILDDIR						- Build Directory - default is ".build" or "bin/Debug" or "bin/Release" depending on the target
 PROJECT							- Project Name - default is the name of the project directory