px4_log: remove __px4_log_level_current

- there is no way to change it at runtime
- it was implemented wrong (<= comparison disabled the PANIC log level)

src/platforms/posix/px4_layer/px4_log.c

@@ -4,7 +4,6 @@
 #include <execinfo.h>
 #endif
 
-__EXPORT int __px4_log_level_current = PX4_LOG_LEVEL_AT_RUN_TIME;
 
 __EXPORT const char *__px4_log_level_str[_PX4_LOG_LEVEL_PANIC + 1] = { "INFO", "DEBUG", "WARN", "ERROR", "PANIC" };
 __EXPORT const char *__px4_log_level_color[_PX4_LOG_LEVEL_PANIC + 1] =
@@ -33,7 +32,6 @@ void px4_backtrace()
 
 __EXPORT void px4_log_modulename(int level, const char *moduleName, const char *fmt, ...)
 {
-	if (level <= __px4_log_level_current) {
 	PX4_LOG_COLOR_START
 	printf(__px4__log_level_fmt __px4__log_level_arg(level));
 	PX4_LOG_COLOR_MODULE
@@ -45,6 +43,5 @@ __EXPORT void px4_log_modulename(int level, const char *moduleName, const char *
 	va_end(argptr);
 	PX4_LOG_COLOR_END
 	printf("\n");
-	}
 }
 

src/platforms/px4_log.h

@@ -130,7 +130,6 @@ __BEGIN_DECLS
 
 __EXPORT extern const char *__px4_log_level_str[_PX4_LOG_LEVEL_PANIC + 1];
 __EXPORT extern const char *__px4_log_level_color[_PX4_LOG_LEVEL_PANIC + 1];
-__EXPORT extern int __px4_log_level_current;
 __EXPORT extern void px4_backtrace(void);
 __EXPORT void px4_log_modulename(int level, const char *moduleName, const char *fmt, ...);
 
@@ -138,21 +137,18 @@ __END_DECLS
 
 #define PX4_BACKTRACE() px4_backtrace()
 
-// __px4_log_level_current will be initialized to PX4_LOG_LEVEL_AT_RUN_TIME
-#define PX4_LOG_LEVEL_AT_RUN_TIME	_PX4_LOG_LEVEL_ERROR
-
 /****************************************************************************
  * Implementation of log section formatting based on printf
  *
  * To write to a specific stream for each message type, open the streams and
  * set __px4__log_startline to something like:
- * 	if (level <= __px4_log_level_current) printf(_px4_fd[level],
+ * 	printf(_px4_fd[level],
  *
  * Additional behavior can be added using "{\" for __px4__log_startline and
  * "}" for __px4__log_endline and any other required setup or teardown steps
  ****************************************************************************/
 #define __px4__log_printcond(cond, ...)	    if (cond) printf(__VA_ARGS__)
-#define __px4__log_printline(level, ...)    if (level <= __px4_log_level_current) printf(__VA_ARGS__)
+#define __px4__log_printline(level, ...)    printf(__VA_ARGS__)
 
 
 #ifndef MODULE_NAME