Linux: Minor fixes of error caught by gcc-4.9.1

- Missing static declarations for functions not used outside a file.

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

src/drivers/ms5611/ms5611_linux.cpp

@@ -37,6 +37,7 @@
  */
 
 #include <px4_config.h>
+#include <px4_defines.h>
 
 #include <sys/types.h>
 #include <stdint.h>

src/platforms/linux/main.cpp

@@ -72,7 +72,7 @@ void run_cmd(const vector<string> &appargs) {
 	}
 }
 
-void process_line(string &line)
+static void process_line(string &line)
 {
 	vector<string> appargs(5);
 

src/platforms/linux/vcdev_test/vcdevtest_example.cpp

@@ -51,7 +51,7 @@ using namespace device;
 
 #define TESTDEV "/dev/vdevex"
 
-int writer_main(int argc, char *argv[])
+static int writer_main(int argc, char *argv[])
 {
 	char buf[1] = { '1' };
 
@@ -97,7 +97,7 @@ VCDevExample::~VCDevExample() {
 	}
 }
 
-int test_pub_block(int fd, unsigned long blocked)
+static int test_pub_block(int fd, unsigned long blocked)
 {
 	int ret = px4_ioctl(fd, PX4_DEVIOCSPUBBLOCK, blocked);
 	if (ret < 0) {

src/platforms/px4_config.h

@@ -45,9 +45,6 @@
 #elif defined (__PX4_LINUX)
 #define CONFIG_NFILE_STREAMS 1
 
-extern long PX4_TICKS_PER_SEC;
-#define USEC2TICKS(x) (PX4_TICKS_PER_SEC*(long)x/1000000L)
-
 #define px4_errx(x, ...) errx(x, __VA_ARGS__)
 
 #endif

src/platforms/px4_defines.h

@@ -112,10 +112,16 @@ typedef param_t px4_param_t;
 #define _PX4_IOC(x,y) _IO(x,y)
 
 /* FIXME - Used to satisfy build */
-#define UNIQUE_ID       0x1FFF7A10  //STM DocID018909 Rev 8 Sect 39.1 (Unique device ID Register)
-#define USEC2TICK(x) 0
+//STM DocID018909 Rev 8 Sect 39.1 (Unique device ID Register)
+#define UNIQUE_ID       0x1FFF7A10  
 
-#define getreg32(a)	(*(volatile uint32_t *)(a))
+#define getreg32(a)    (*(volatile uint32_t *)(a))
+
+__BEGIN_DECLS
+extern long PX4_TICKS_PER_SEC;
+__END_DECLS
+
+#define USEC2TICK(x) (PX4_TICKS_PER_SEC*(long)x/1000000L)
 
 #endif