log: Add a new debug level (4) for verbose I/O debug

[openocd] / src / helper / log.h

diff --git a/src/helper/log.h b/src/helper/log.h
index 6b938165b45e46ef9f4fb5d61e8d605f8c4d0f28..512bcc5126d5bd9563c52899f0873d90c2d1462d 100644 (file)
--- a/src/helper/log.h
+++ b/src/helper/log.h
@@ -46,6 +46,7 @@
  * LOG_LVL_WARNING - non-fatal errors, that may be resolved later
  * LOG_LVL_INFO - state information, etc.
  * LOG_LVL_DEBUG - debug statements, execution trace
+ * LOG_LVL_DEBUG_IO - verbose debug, low-level I/O trace
  */
 enum log_levels {
        LOG_LVL_SILENT = -3,
@@ -54,7 +55,8 @@ enum log_levels {
        LOG_LVL_ERROR = 0,
        LOG_LVL_WARNING = 1,
        LOG_LVL_INFO = 2,
-       LOG_LVL_DEBUG = 3
+       LOG_LVL_DEBUG = 3,
+       LOG_LVL_DEBUG_IO = 4,
 };
 
 void log_printf(enum log_levels level, const char *file, unsigned line,
@@ -102,6 +104,14 @@ extern int debug_level;
 
 #define LOG_LEVEL_IS(FOO)  ((debug_level) >= (FOO))
 
+#define LOG_DEBUG_IO(expr ...) \
+       do { \
+               if (debug_level >= LOG_LVL_DEBUG_IO) \
+                       log_printf_lf(LOG_LVL_DEBUG, \
+                               __FILE__, __LINE__, __func__, \
+                               expr); \
+       } while (0)
+
 #define LOG_DEBUG(expr ...) \
        do { \
                if (debug_level >= LOG_LVL_DEBUG) \