Add Arrowhead wrappers

barrier/optic_barrier_sw/CMakeLists.txt

@@ -2,6 +2,58 @@ cmake_minimum_required(VERSION 3.1.0)
 
 project(optic_barrier_sw)
 
+# Git versioning
+set(PRE_CONFIGURE_FILE "git.h.in")
+set(POST_CONFIGURE_FILE "git.h")
+
+# Check whether we have git
+execute_process(
+    COMMAND git --version
+    RESULT_VARIABLE GIT_CHECK
+)
+
+if("${GIT_CHECK}" EQUAL 0)
+    set(GIT_AVAILABLE true)
+else()
+    set(GIT_AVAILABLE false)
+endif()
+
+# Preset variables
+set(GIT_IS_DIRTY false)
+
+if(GIT_AVAILABLE)
+    # Git describe
+    execute_process(
+        COMMAND git describe --always --tags
+        OUTPUT_VARIABLE GIT_DESCRIBE
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    # Commit hash
+    execute_process(
+        COMMAND git log -1 --format=%h
+        OUTPUT_VARIABLE GIT_COMMIT_HASH
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+    # Dirty
+    execute_process(
+        COMMAND git status --porcelain -uno
+        RESULT_VARIABLE GIT_DIRTY
+    )
+
+    if ("${GIT_DIRTY}" STREQUAL "")
+        set(GIT_IS_DIRTY false)
+    else()
+        set(GIT_IS_DIRTY true)
+    endif()
+endif()
+
+get_filename_component(PRE_CONFIGURE_FILE "${PRE_CONFIGURE_FILE}" ABSOLUTE)
+get_filename_component(POST_CONFIGURE_FILE "${POST_CONFIGURE_FILE}" ABSOLUTE)
+
+configure_file("${PRE_CONFIGURE_FILE}" "${POST_CONFIGURE_FILE}" @ONLY)
+
 # If you want to use different compiler than arm-linux-gnueabihf-gcc, run cmake as:
 # cmake -DHARDCODE_C_COMPILER=NO -DCMAKE_C_COMPILER=...
 set(HARDCODE_C_COMPILER YES CACHE BOOL "Override user's (or default) value of CMAKE_C_COMPILER with 'arm-linux-gnueabihf-gcc'")

barrier/optic_barrier_sw/git.h.in

@@ -0,0 +1,7 @@
+#define GIT_AVAILABLE @GIT_AVAILABLE@
+
+#define GIT_DESCRIBE "@GIT_DESCRIBE@"
+
+#define GIT_COMMIT_HASH "@GIT_COMMIT_HASH@"
+
+#define GIT_IS_DIRTY @GIT_IS_DIRTY@

barrier/optic_barrier_sw/main.c

@@ -40,6 +40,8 @@
 #include "OLED_GUI.h"
 #include "Show_Lib.h"
 
+#include "git.h"
+
 #define BARRIER_SIGNAL 0     // 30
 #define UNIVERSAL_BUTTON1 19 // 24
 #define UNIVERSAL_BUTTON2 26 // 25
@@ -182,6 +184,19 @@ void update_display(enum screen screen)
     case EXIT: {
         GUI_DisString_EN(0, 0, "Hold 5s to exit", &Font12, FONT_BACKGROUND, WHITE);
 
+        char version[100];
+
+        if (GIT_AVAILABLE) {
+            if (GIT_IS_DIRTY) {
+                sprintf(version, "%s-dirty", GIT_DESCRIBE);
+            } else {
+                sprintf(version, "%s", GIT_DESCRIBE);
+            }
+        } else {
+            sprintf(version, "Unknown version");
+        }
+
+        GUI_DisString_EN(0, 3 * Font8.Height, version, &Font8, FONT_BACKGROUND, WHITE);
         break;
     }
     }