From 8ea326e42945825de7549b353c895488f53a4e19 Mon Sep 17 00:00:00 2001
From: TheJackiMonster <thejackimonster@gmail.com>
Date: Wed, 5 Apr 2023 22:51:55 +0200
Subject: [PATCH] Specify languages and allow C++ usage

Signed-off-by: TheJackiMonster <thejackimonster@gmail.com>
---
 CMakeLists.txt                   |  2 +-
 examples/debug_d3/CMakeLists.txt |  2 +-
 examples/debug_d4/CMakeLists.txt |  2 +-
 interface_lib/CMakeLists.txt     |  2 +-
 interface_lib/include/device3.h  | 15 +++++++++++++++
 interface_lib/include/device4.h  | 15 +++++++++++++++
 6 files changed, 34 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index b1dfc02..c072cd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(nrealAirLinuxDriver)
+project(nrealAirLinuxDriver C)
 
 set(CMAKE_C_STANDARD 17)
 
diff --git a/examples/debug_d3/CMakeLists.txt b/examples/debug_d3/CMakeLists.txt
index 237edbd..939576f 100644
--- a/examples/debug_d3/CMakeLists.txt
+++ b/examples/debug_d3/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(nrealAirDebugD3)
+project(nrealAirDebugD3 C)
 
 set(CMAKE_C_STANDARD 17)
 
diff --git a/examples/debug_d4/CMakeLists.txt b/examples/debug_d4/CMakeLists.txt
index fbb52b9..0ddd4e3 100644
--- a/examples/debug_d4/CMakeLists.txt
+++ b/examples/debug_d4/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(nrealAirDebugD4)
+project(nrealAirDebugD4 C)
 
 set(CMAKE_C_STANDARD 17)
 
diff --git a/interface_lib/CMakeLists.txt b/interface_lib/CMakeLists.txt
index 7bfdef8..a77daa4 100644
--- a/interface_lib/CMakeLists.txt
+++ b/interface_lib/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16)
-project(nrealAirLibrary)
+project(nrealAirLibrary C)
 
 set(CMAKE_C_STANDARD 17)
 
diff --git a/interface_lib/include/device3.h b/interface_lib/include/device3.h
index e0602a8..23674be 100644
--- a/interface_lib/include/device3.h
+++ b/interface_lib/include/device3.h
@@ -23,8 +23,19 @@
 // THE SOFTWARE.
 //
 
+#ifndef __cplusplus
 #include <stdbool.h>
+#endif
+
+#ifndef __cplusplus
 #include <stdint.h>
+#else
+#include <cstdint.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 struct __attribute__((__packed__)) device3_packet_t {
 	uint8_t signature [2];
@@ -133,3 +144,7 @@ device3_quat_type device3_get_orientation(const device3_ahrs_type* ahrs);
 device3_vec3_type device3_get_euler(device3_quat_type quat);
 
 void device3_close(device3_type* device);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
diff --git a/interface_lib/include/device4.h b/interface_lib/include/device4.h
index 085f0e7..3d583c5 100644
--- a/interface_lib/include/device4.h
+++ b/interface_lib/include/device4.h
@@ -23,8 +23,15 @@
 // THE SOFTWARE.
 //
 
+#ifndef __cplusplus
 #include <stdbool.h>
+#endif
+
+#ifndef __cplusplus
 #include <stdint.h>
+#else
+#include <cstdint.h>
+#endif
 
 #define DEVICE4_ACTION_PASSIVE_POLL_START 	0b00010
 #define DEVICE4_ACTION_BRIGHTNESS_COMMAND 	0b00011
@@ -36,6 +43,10 @@
 #define DEVICE4_BUTTON_BRIGHTNESS_UP 	0x2
 #define DEVICE4_BUTTON_BRIGHTNESS_DOWN 	0x3
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct __attribute__((__packed__)) device4_packet_t {
 	uint8_t signature;
 	uint32_t checksum;
@@ -100,3 +111,7 @@ device4_type* device4_open(device4_event_callback callback);
 int device4_read(device4_type* device, int timeout);
 
 void device4_close(device4_type* device);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif