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>

src/drivers/blinkm/module.mk

@@ -40,7 +40,7 @@ MODULE_COMMAND	= blinkm
 ifeq ($(PX4_TARGET_OS),nuttx)
 SRCS		= blinkm_nuttx.cpp
 else
-SRCS		= blinkm_linux.cpp
+SRCS		= blinkm_posix.cpp
 endif
 
 MAXOPTIMIZATION	 = -Os

src/drivers/device/device.h

@@ -35,7 +35,7 @@
 
 #ifdef __PX4_NUTTX
 #include "device_nuttx.h"
-#elif defined (__PX4_LINUX)
+#elif defined (__PX4_POSIX)
 #include "vdev.h"
 #endif
 

src/drivers/device/i2c.h

@@ -35,5 +35,5 @@
 #ifdef __PX4_NUTTX
 #include "i2c_nuttx.h"
 #else
-#include "i2c_linux.h"
+#include "i2c_posix.h"
 #endif

src/drivers/device/i2c_posix.cpp

@@ -41,8 +41,10 @@
  */
 
 #include "i2c.h"
+#ifdef __PX4_LINUX
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
+#endif
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>

src/drivers/device/i2c_posix.h

@@ -43,8 +43,10 @@
 #include "vdev.h"
 
 #include <px4_i2c.h>
+#ifdef __PX4_LINUX
 #include <linux/i2c.h>
 #include <linux/i2c-dev.h>
+#endif
 #include <string>
 
 namespace device __EXPORT

src/drivers/device/module.mk

@@ -44,11 +44,11 @@ SRCS =		  \
 		  spi.cpp \
 		  ringbuffer.cpp
 endif
-ifeq ($(PX4_TARGET_OS),linux)
+ifeq ($(PX4_TARGET_OS),posix)
 SRCS =		  vdev.cpp \
 		  device.cpp \
 		  vdev_posix.cpp \
-		  i2c_linux.cpp  \
+		  i2c_posix.cpp  \
 		  sim.cpp \
 		  ringbuffer.cpp
 endif

src/drivers/drv_gpio.h

@@ -114,14 +114,14 @@
 /* no GPIO driver on the PX4_STM32F4DISCOVERY board */
 #endif
 
-#ifdef CONFIG_ARCH_BOARD_LINUXTEST
-/* no GPIO driver on the LINUXTEST board */
+#ifdef CONFIG_ARCH_BOARD_POSIXTEST
+/* no GPIO driver on the POSIXTEST board */
 #endif
 
 #if !defined(CONFIG_ARCH_BOARD_PX4IO_V1) && !defined(CONFIG_ARCH_BOARD_PX4IO_V2)  && \
 	!defined(CONFIG_ARCH_BOARD_PX4FMU_V1) && !defined(CONFIG_ARCH_BOARD_PX4FMU_V2) && \
 	!defined(CONFIG_ARCH_BOARD_AEROCORE) && !defined(CONFIG_ARCH_BOARD_PX4_STM32F4DISCOVERY) && \
-	!defined(CONFIG_ARCH_BOARD_LINUXTEST)
+	!defined(CONFIG_ARCH_BOARD_POSIXTEST)
 # error No CONFIG_ARCH_BOARD_xxxx set
 #endif
 /*

src/drivers/hil/module.mk

@@ -41,6 +41,6 @@ ifeq ($(PX4_TARGET_OS),nuttx)
 SRCS		= hil.cpp
 MAXOPTIMIZATION	 = -Os
 else
-SRCS		= hil_linux.cpp
+SRCS		= hil_posix.cpp
 endif
 

src/drivers/ms5611/module.mk

@@ -40,7 +40,7 @@ MODULE_COMMAND	= ms5611
 ifeq ($(PX4_TARGET_OS),nuttx)
 SRCS		= ms5611_nuttx.cpp ms5611_spi.cpp ms5611_i2c.cpp
 else
-SRCS		= ms5611_linux.cpp ms5611_spi.cpp ms5611_i2c.cpp ms5611_sim.cpp
+SRCS		= ms5611_posix.cpp ms5611_spi.cpp ms5611_i2c.cpp ms5611_sim.cpp
 endif
 
 MAXOPTIMIZATION	 = -Os

src/drivers/rgbled/module.mk

@@ -7,7 +7,7 @@ MODULE_COMMAND	 = rgbled
 ifeq ($(PX4_TARGET_OS),nuttx)
 SRCS		 = rgbled.cpp
 else
-SRCS		 = rgbled_linux.cpp
+SRCS		 = rgbled_posix.cpp
 endif
 
 MAXOPTIMIZATION	 = -Os