From 59b720cfce05cf36992c3aa30bc245632abda73b Mon Sep 17 00:00:00 2001
From: c vw <dl1ycf@darc.de>
Date: Wed, 28 Apr 2021 17:01:45 +0200
Subject: [PATCH] Adapted the "MacOS no sleep" patch from Davide Gerhard.

---
 MacOS.c      | 13 +++++++++++++
 Makefile.mac |  6 ++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/MacOS.c b/MacOS.c
index 3fc19cf..12fb3e2 100644
--- a/MacOS.c
+++ b/MacOS.c
@@ -21,6 +21,8 @@
 #include <fcntl.h>
 #include <pwd.h>
 #include <uuid/uuid.h>
+#include <IOKit/IOKitLib.h>
+#include <IOKit/pwr_mgt/IOPMLib.h>
 
 void MacOSstartup(char *path) {
 //
@@ -54,6 +56,17 @@ void MacOSstartup(char *path) {
     struct stat st;
     int fdin, fdout;
     int rc;
+    static IOPMAssertionID keep_awake = 0;
+
+//
+//  This is to prevent "going to sleep" or activating the screen saver
+//  while piHPSDR is running
+//
+//  works from macOS 10.6 so should be enough
+//  no return check is needed
+ 
+    IOPMAssertionCreateWithName (kIOPMAssertionTypeNoDisplaySleep, kIOPMAssertionLevelOn,
+                                CFSTR ("piHPSDR"), &keep_awake);
 //
 //  If the current work dir is NOT "/", just do nothing
 //    
diff --git a/Makefile.mac b/Makefile.mac
index 5a5c237..584ba23 100644
--- a/Makefile.mac
+++ b/Makefile.mac
@@ -9,7 +9,7 @@ GIT_VERSION := $(shell git describe --abbrev=0 --tags)
 PURESIGNAL_INCLUDE=PURESIGNAL
 
 # uncomment the line to below include support local CW keyer
-LOCALCW_INCLUDE=LOCALCW
+#LOCALCW_INCLUDE=LOCALCW
 
 # uncomment the line below for SoapySDR
 #SOAPYSDR_INCLUDE=SOAPYSDR
@@ -143,6 +143,7 @@ GTKLIBS=`pkg-config --libs gtk+-3.0`
 
 AUDIO_OPTIONS=-DPORTAUDIO
 AUDIO_LIBS=-lportaudio
+MAC_LIBS=-framework IOKit
 
 OPTIONS=$(MIDI_OPTIONS) $(PURESIGNAL_OPTIONS) $(REMOTE_OPTIONS) $(USBOZY_OPTIONS) \
 	$(SOAPYSDR_OPTIONS) $(LOCALCW_OPTIONS) \
@@ -150,7 +151,8 @@ OPTIONS=$(MIDI_OPTIONS) $(PURESIGNAL_OPTIONS) $(REMOTE_OPTIONS) $(USBOZY_OPTIONS
         $(CONTROLLER2_OPTIONS) $(AUDIO_OPTIONS) \
 	-D GIT_DATE='"$(GIT_DATE)"' -D GIT_VERSION='"$(GIT_VERSION)"' $(DEBUG_OPTION)
 
-LIBS=     -lm -lwdsp -lpthread $(AUDIO_LIBS) $(USBOZY_LIBS) $(GTKLIBS) $(SOAPYSDRLIBS) $(STEMLAB_LIBS) $(MIDI_LIBS)
+LIBS=     -lm -lwdsp -lpthread $(MAC_LIBS) $(AUDIO_LIBS) $(USBOZY_LIBS) $(GTKLIBS) \
+		$(SOAPYSDRLIBS) $(STEMLAB_LIBS) $(MIDI_LIBS)
 INCLUDES=$(GTKINCLUDES)
 
 COMPILE=$(CC) $(CFLAGS) $(OPTIONS) $(INCLUDES)
-- 
2.45.2