docs: Fix dot path error (merbanan#1369)

Author: OgreTransporter

CMakeLists.txt

@@ -182,6 +182,11 @@ if(BUILD_DOCUMENTATION)
 
     set(DOXYGEN_IN ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile.in)
     set(DOXYGEN_OUT ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile)
+    if(DOXYGEN_DOT_FOUND)
+        set(HAVE_DOT "YES")
+    else()
+        set(HAVE_DOT "NO")
+    endif()
 
     configure_file(${DOXYGEN_IN} ${DOXYGEN_OUT} @ONLY)
     message(STATUS "Doxygen build started")

Doxyfile.in

@@ -913,7 +913,7 @@ EXAMPLE_RECURSIVE      = NO
 # that contain images that are to be included in the documentation (see the
 # \image command).
 
-IMAGE_PATH             = images/
+IMAGE_PATH             =
 
 # The INPUT_FILTER tag can be used to specify a program that doxygen should
 # invoke to filter for each input file. Doxygen will invoke the filter program
@@ -2207,7 +2207,7 @@ HIDE_UNDOC_RELATIONS   = YES
 # set to NO
 # The default value is: NO.
 
-HAVE_DOT               = NO
+HAVE_DOT               = @HAVE_DOT@
 
 # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is allowed
 # to run in parallel. When set to 0 doxygen will base this on the number of
@@ -2385,7 +2385,7 @@ INTERACTIVE_SVG        = NO
 # found. If left blank, it is assumed the dot tool can be found in the path.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_PATH               = /usr/bin/dot
+DOT_PATH               = @DOXYGEN_DOT_PATH@
 
 # The DOTFILE_DIRS tag can be used to specify one or more directories that
 # contain dot files that are included in the documentation (see the \dotfile
@@ -2434,7 +2434,7 @@ PLANTUML_INCLUDE_PATH  =
 # Minimum value: 0, maximum value: 10000, default value: 50.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-DOT_GRAPH_MAX_NODES    = 50
+DOT_GRAPH_MAX_NODES    = 200
 
 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the graphs
 # generated by dot. A depth value of 3 means that only nodes reachable from the

include/pulse_detect.h

@@ -103,6 +103,7 @@ void pulse_detect_free(pulse_detect_t *pulse_detect);
 /// Set pulse detector level values.
 ///
 /// @param pulse_detect The pulse_detect instance
+/// @param use_mag_est Use magnitude instead of amplitude
 /// @param fixed_high_level Manual high level override, default is 0 (auto)
 /// @param min_high_level Minimum high level, default is -12 dB
 /// @param high_low_ratio Minimum signal noise ratio, default is 9 dB