From 68a70b347ecf276dc287baab35ef04c1eb1f2e96 Mon Sep 17 00:00:00 2001
From: Matthias Ringwald <matthias@ringwald.ch>
Date: Tue, 29 Aug 2023 19:18:09 +0200
Subject: [PATCH] example/hog_host_demo: setup GATT DB

---
 example/Makefile.inc    | 3 +++
 example/hog_host_demo.c | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/example/Makefile.inc b/example/Makefile.inc
index 2f2eafb62..eb110d086 100644
--- a/example/Makefile.inc
+++ b/example/Makefile.inc
@@ -263,6 +263,7 @@ EXAMPLES_GATT_FILES =           		\
 	gatt_counter.gatt           		\
 	gatt_device_information_query.gatt 	\
 	gatt_streamer_server.gatt   		\
+	hog_host_demo.gatt          		\
 	hog_keyboard_demo.gatt      		\
 	hog_mouse_demo.gatt         		\
 	le_credit_based_flow_control_mode_server.gatt 		\
@@ -346,6 +347,8 @@ hog_boot_host_demo: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_CLIENT_OBJ} hog_
 	${CC} $^ ${LDFLAGS} -o $@
 
 
+hog_host_demo.o: hog_host_demo.h hog_host_demo.c
+	${CC} ${CFLAGS} -c $(filter-out hog_host_demo.h,$^) -o $@
 
 hog_host_demo: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_CLIENT_OBJ} btstack_hid_parser.o btstack_hid.o hog_host_demo.o
 	${CC} $^ ${LDFLAGS} -o $@
diff --git a/example/hog_host_demo.c b/example/hog_host_demo.c
index 203d68e5e..eae6a29cd 100644
--- a/example/hog_host_demo.c
+++ b/example/hog_host_demo.c
@@ -55,6 +55,12 @@
 #include "btstack_config.h"
 #include "btstack.h"
 
+// hog_host_demo.gatt contains the declaration of the provided GATT Services + Characteristics
+// hog_host_demo.h    contains the binary representation of gatt_browser.gatt
+// it is generated by the build system by calling: $BTSTACK_ROOT/tool/compile_gatt.py hog_host_demo.gatt hog_host_demo.h
+// it needs to be regenerated when the GATT Database declared in gatt_browser.gatt file is modified
+#include "hog_host_demo.h"
+
 // TAG to store remote device address and type in TLV
 #define TLV_TAG_HOGD ((((uint32_t) 'H') << 24 ) | (((uint32_t) 'O') << 16) | (((uint32_t) 'G') << 8) | 'D')
 
@@ -512,6 +518,9 @@ int btstack_main(int argc, const char * argv[]){
     sm_init();
     gatt_client_init();
 
+    // setup ATT server - only needed if LE Peripheral does ATT queries on its own, e.g. Android and iOS
+    att_server_init(profile_data, NULL, NULL);
+
     hids_client_init(hid_descriptor_storage, sizeof(hid_descriptor_storage));
 
     /* LISTING_END */