From fb407961046dff6f79b788fd68ba3fa2280bac8e Mon Sep 17 00:00:00 2001
From: Daniel Li <daniel.d.wang.li@gmail.com>
Date: Thu, 21 Nov 2024 03:02:21 +0800
Subject: [PATCH] Add jetson orin nano support (#23)

---
 Makefile              |  7 +++++++
 build.sh              | 18 ++++++++++++------
 msposd.c              |  3 ++-
 osd/util/Render_x86.c | 15 ++++++++++++++-
 4 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/Makefile b/Makefile
index d266acb..4d524bb 100644
--- a/Makefile
+++ b/Makefile
@@ -34,6 +34,13 @@ star6e:
 	$(eval LIB = -lcam_os_wrapper -lm -lmi_rgn -lmi_sys -lmi_venc)
 	$(BUILD)
 
+jetson:
+	$(eval SDK = ./sdk/gk7205v300)
+	$(eval CFLAGS += -D_x86 -D_jetson)
+	$(eval LIB = -lcsfml-graphics -lcsfml-window -lcsfml-system `pkg-config --libs cairo x11` -lm)
+	$(eval BUILD = $(CC) $(SRCS) -I $(SDK)/include -L $(DRV) $(CFLAGS) $(LIB) -levent_core -O0 -g -o $(OUTPUT))
+	$(BUILD)
+
 x86:
 	$(eval SDK = ./sdk/gk7205v300)
 	$(eval CFLAGS += -D_x86)
diff --git a/build.sh b/build.sh
index 40fe101..4d64670 100755
--- a/build.sh
+++ b/build.sh
@@ -14,13 +14,16 @@ fi
 GCC=$PWD/toolchain/$CC/bin/arm-linux-gcc
 OUT=msposd_$1
 
-if [ ! -e toolchain/$CC ]; then
-	wget -c -q --show-progress $DL/$CC.tgz -P $PWD
-	mkdir -p toolchain/$CC
-	tar -xf $CC.tgz -C toolchain/$CC --strip-components=1 || exit 1
-	rm -f $CC.tgz
+if [[ "$1" != *"jetson"* && "$1" != *"x86"* ]]; then
+	if [ ! -e toolchain/$CC ]; then
+		wget -c -q --show-progress $DL/$CC.tgz -P $PWD
+		mkdir -p toolchain/$CC
+		tar -xf $CC.tgz -C toolchain/$CC --strip-components=1 || exit 1
+		rm -f $CC.tgz
+	fi
 fi
 
+
 if [ ! -e firmware ]; then
 	git clone https://github.com/openipc/firmware --depth=1
 fi
@@ -37,10 +40,13 @@ elif [ "$1" = "star6b0" ]; then
 elif [ "$1" = "star6e" ]; then
 	DRV=$PWD/firmware/general/package/sigmastar-osdrv-infinity6e/files/lib
 	make -B CC=$GCC DRV=$DRV TOOLCHAIN=$PWD/toolchain/$CC OUTPUT=$OUT $1
+elif [ "$1" = "jetson" ]; then
+	DRV=$PWD
+	make DRV=$DRV OUTPUT=$OUT $1
 elif [ "$1" = "x86" ]; then
 	DRV=$PWD
 	make DRV=$DRV OUTPUT=$OUT $1
 else
-	echo "Usage: $0 [goke|hisi|star6b0|star6e]"
+	echo "Usage: $0 [goke|hisi|star6b0|star6e|jetson|x86]"
 	exit 1
 fi
diff --git a/msposd.c b/msposd.c
index 4765e27..8b51a23 100644
--- a/msposd.c
+++ b/msposd.c
@@ -1200,6 +1200,7 @@ int main(int argc, char **argv)
 
 	printf("Ver: %s\n", VERSION_STRING);
 	int opt;
+	int r;
 	int long_index = 0;
 	int rc_channel_no = 0;
 
@@ -1255,7 +1256,7 @@ int main(int argc, char **argv)
 			break;
 
 		case 'r':
-			int r=atoi(optarg);
+			r=atoi(optarg);
 			if (r>100){
 				enable_fast_layout=true;
 				r=r%100;
diff --git a/osd/util/Render_x86.c b/osd/util/Render_x86.c
index 69ff4c5..4bc010c 100644
--- a/osd/util/Render_x86.c
+++ b/osd/util/Render_x86.c
@@ -73,7 +73,20 @@ int Init_x86(uint16_t *width, uint16_t *height) {
 #ifdef _DEBUG_x86
         forcefullscreen=false;
 #endif
-        
+    
+
+#ifdef _jetson
+        if (getenv("DISPLAY") == NULL) {
+            /*
+             * Use default display screen, especially launch from console
+             * ToDo: x86 linux should implement this code also, test needed.
+             */
+            setenv("DISPLAY", ":0", 1);
+        }
+#endif
+
+
+
         display = XOpenDisplay(NULL);
         if (!display) {
             fprintf(stderr, "Cannot open display\n");