Linux to posix conversion

Changed "linux" target to "posix". Most of the changes are shared with
QuRT and with OSX. The Linux specific parts are in for i2c which uses
<linux/i2c.h> and <linux/i2c-dev.h>.

There is also a check for __PX4_LINUX in mavlink for a tty ioctl that is
not supported.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

Makefile

@@ -100,8 +100,8 @@ endif
 ifeq ($(PX4_TARGET_OS),nuttx)
 include $(PX4_BASE)makefiles/firmware_nuttx.mk
 endif
-ifeq ($(PX4_TARGET_OS),linux)
-include $(PX4_BASE)makefiles/firmware_linux.mk
+ifeq ($(PX4_TARGET_OS),posix)
+include $(PX4_BASE)makefiles/firmware_posix.mk
 endif
 ifeq ($(PX4_TARGET_OS),qurt)
 include $(PX4_BASE)makefiles/firmware_qurt.mk
@@ -146,8 +146,8 @@ testbuild:
 	$(Q) (cd $(PX4_BASE) && $(MAKE) distclean && $(MAKE) archives && $(MAKE) -j8)
 	$(Q) (zip -r Firmware.zip $(PX4_BASE)/Images)
 
-linuxrun:
-	Tools/linux_run.sh
+posixrun:
+	Tools/posix_run.sh
 
 #
 # Unittest targets. Builds and runs the host-level

makefiles/README.txt

@@ -30,9 +30,9 @@ firmware_nuttx.mk
 
 	Called by firmware.mk to build NuttX based firmware.
 
-firmware_linux.mk
+firmware_posix.mk
 
-	Called by firmware.mk to build Linux (non-ROS) based firmware.
+	Called by firmware.mk to build POSIX (non-ROS) based firmware.
 
 module.mk
 
@@ -46,10 +46,10 @@ nuttx.mk
 	Called by ../Makefile to build or download the NuttX archives if 
 	PX4_TARGET_OS is set to "nuttx".
 
-linux.mk
+posix.mk
 
-	Called by ../Makefile to set Linux specific parameters if 
-	PX4_TARGET_OS is set to "linux".
+	Called by ../Makefile to set POSIX specific parameters if 
+	PX4_TARGET_OS is set to "posix".
 
 upload.mk
 

makefiles/firmware.mk

@@ -360,8 +360,8 @@ $(filter %.S.o,$(OBJS)): $(WORK_DIR)%.S.o: %.S $(GLOBAL_DEPS)
 ifeq ($(PX4_TARGET_OS),nuttx)
 include $(MK_DIR)/nuttx_romfs.mk
 endif
-ifeq ($(PX4_TARGET_OS),linux)
-include $(MK_DIR)/linux_elf.mk
+ifeq ($(PX4_TARGET_OS),posix)
+include $(MK_DIR)/posix_elf.mk
 endif
 ifeq ($(PX4_TARGET_OS),qurt)
 include $(MK_DIR)/qurt_elf.mk

makefiles/linux.mk → makefiles/posix.mk

@@ -36,5 +36,5 @@
 
 MODULES += \
 		platforms/common \
-		platforms/linux/px4_layer 
+		platforms/posix/px4_layer 
 

makefiles/linux/board_linux.mk → makefiles/posix/board_posix.mk

 #
-# Board-specific definitions for the Linux port of PX4
+# Board-specific definitions for the POSIX port of PX4
 #
 
 #
 # Configure the toolchain
 #
 CONFIG_ARCH			 = NATIVE
-CONFIG_BOARD			 = LINUXTEST
+CONFIG_BOARD			 = POSIXTEST
 
 include $(PX4_MK_DIR)/toolchain_native.mk

makefiles/linux/config_linux_default.mk → makefiles/posix/config_posix_default.mk

 #
-# Makefile for the Foo *default* configuration
+# Makefile for the POSIXTEST *default* configuration
 #
 
-#
-# Use the configuration's ROMFS.
-#
-#ROMFS_ROOT	 = $(PX4_BASE)/ROMFS/px4fmu_common
-
 #
 # Board support modules
 #
@@ -61,17 +56,17 @@ MODULES		+= lib/conversion
 #
 # Linux port
 #
-MODULES		+= platforms/linux/px4_layer
-MODULES		+= platforms/linux/drivers/accelsim
-MODULES		+= platforms/linux/drivers/gyrosim
-MODULES		+= platforms/linux/drivers/adcsim
-MODULES		+= platforms/linux/drivers/barosim
+MODULES		+= platforms/posix/px4_layer
+MODULES		+= platforms/posix/drivers/accelsim
+MODULES		+= platforms/posix/drivers/gyrosim
+MODULES		+= platforms/posix/drivers/adcsim
+MODULES		+= platforms/posix/drivers/barosim
 
 #
 # Unit tests
 #
-#MODULES		+= platforms/linux/tests/hello
-#MODULES		+= platforms/linux/tests/vcdev_test
-#MODULES		+= platforms/linux/tests/hrt_test
-#MODULES		+= platforms/linux/tests/wqueue
+#MODULES		+= platforms/posix/tests/hello
+#MODULES		+= platforms/posix/tests/vcdev_test
+#MODULES		+= platforms/posix/tests/hrt_test
+#MODULES		+= platforms/posix/tests/wqueue
 

makefiles/linux_elf.mk → makefiles/posix_elf.mk

@@ -30,7 +30,7 @@
 #
 
 #
-# Makefile for PX4 Linux based firmware images.
+# Makefile for PX4 POSIX based firmware images.
 #
 
 ################################################################################
@@ -56,9 +56,9 @@ $(PRODUCT_SHARED_PRELINK):	$(OBJS) $(MODULE_OBJS) $(LIBRARY_LIBS) $(GLOBAL_DEPS)
 $(PRODUCT_SHARED_LIB):		$(PRODUCT_SHARED_PRELINK)
 	$(call LINK_A,$@,$(PRODUCT_SHARED_PRELINK))
 
-MAIN = $(PX4_BASE)/src/platforms/linux/main.cpp
+MAIN = $(PX4_BASE)/src/platforms/posix/main.cpp
 $(WORK_DIR)mainapp: $(PRODUCT_SHARED_LIB)
-	$(PX4_BASE)/Tools/linux_apps.py > apps.h
+	$(PX4_BASE)/Tools/posix_apps.py > apps.h
 	$(call LINK,$@, -I. $(MAIN) $(PRODUCT_SHARED_LIB))
 
 #

makefiles/setup.mk

@@ -35,9 +35,9 @@
 
 export PX4_TARGET_OS 	 ?= nuttx
 
-# PX4_TARGET_OS	can be nuttx, linux, or qurt
+# PX4_TARGET_OS	can be nuttx, posix, or qurt
 ifeq ($(PX4_TARGET_OS),)
-$(error Use: make PX4_TARGET_OS=<target> where <target> is nuttx, linux, or qurt)
+$(error Use: make PX4_TARGET_OS=<target> where <target> is nuttx, posix, or qurt)
 endif
 
 #

makefiles/toolchain_hexagon.mk

@@ -181,7 +181,7 @@ AFLAGS			 = $(CFLAGS) -D__ASSEMBLY__ \
 			   $(EXTRADEFINES) \
 			   $(EXTRAAFLAGS)
 
-LDSCRIPT		 = $(PX4_BASE)/linux-configs/linuxtest/scripts/ld.script
+LDSCRIPT		 = $(PX4_BASE)/posix-configs/posixtest/scripts/ld.script
 # Flags we pass to the linker
 #
 LDFLAGS			+=  \

makefiles/toolchain_native.mk

 #
 #   Copyright (C) 2012-2014 PX4 Development Team. All rights reuint32_tserved.
 #
-#   2005 Modified for clang and GCC on Linux:
+#   2005 Modified for clang and GCC on POSIX:
 #        Author: Mark Charlebois <charlebm@gmail.com>
 #
 # Redistribution and use in source and binary forms, with or without
@@ -120,10 +120,10 @@ ifeq ($(CONFIG_BOARD),)
 $(error Board config does not define CONFIG_BOARD)
 endif
 ARCHDEFINES		+= -DCONFIG_ARCH_BOARD_$(CONFIG_BOARD) \
-			-D__PX4_LINUX \
+			-D__PX4_LINUX -D__PX4_POSIX \
 			-Dnoreturn_function= \
 			-I$(PX4_BASE)/src/lib/eigen \
-			-I$(PX4_BASE)/src/platforms/linux/include \
+			-I$(PX4_BASE)/src/platforms/posix/include \
 			-Wno-error=shadow
 
 # optimisation flags
@@ -250,7 +250,7 @@ AFLAGS			 = $(CFLAGS) -D__ASSEMBLY__ \
 			   $(EXTRADEFINES) \
 			   $(EXTRAAFLAGS)
 
-LDSCRIPT		 = $(PX4_BASE)/linux-configs/linuxtest/scripts/ld.script
+LDSCRIPT		 = $(PX4_BASE)/posix-configs/posixtest/scripts/ld.script
 # Flags we pass to the linker
 #
 LDFLAGS			+= $(EXTRALDFLAGS) \

makefiles/upload.mk

@@ -31,7 +31,7 @@ upload-serial-px4fmu-v2:	$(BUNDLE) $(UPLOADER)
 	$(Q) $(PYTHON) -u $(UPLOADER) --port $(SERIAL_PORTS) $(BUNDLE)
 
 upload-serial-aerocore:
-	openocd -f $(PX4_BASE)/makefiles/gumstix-aerocore.cfg -c 'init; reset halt; flash write_image erase $(PX4_BASE)/../Bootloader/px4aerocore_bl.bin 0x08000000; flash write_image erase $(PX4_BASE)/Build/aerocore_default.build/firmware.bin 0x08004000; reset run; exit'
+	openocd -f $(PX4_BASE)/makefiles/nuttx/gumstix-aerocore.cfg -c 'init; reset halt; flash write_image erase $(PX4_BASE)/../Bootloader/px4aerocore_bl.bin 0x08000000; flash write_image erase $(PX4_BASE)/Build/aerocore_default.build/firmware.bin 0x08004000; reset run; exit'
 
 upload-serial-px4-stm32f4discovery:	$(BUNDLE) $(UPLOADER)
 	$(Q) $(PYTHON) -u $(UPLOADER) --port $(SERIAL_PORTS) $(BUNDLE)