From 8e34fa936d4c5071eba6c82a8a6ed75005f7ca0e Mon Sep 17 00:00:00 2001
From: Thomas Hooge <thomas@hoogi.de>
Date: Wed, 9 Jul 2025 16:13:32 +0200
Subject: [PATCH] Add display library version info to page system

---
 extra_script.py.new          | 26 +++++++++++++++-----------
 lib/obp60task/PageSystem.cpp |  9 ++++++---
 lib/obp60task/extra_task.py  | 30 ++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 14 deletions(-)
 create mode 100644 lib/obp60task/extra_task.py

diff --git a/extra_script.py.new b/extra_script.py.new
index 31ae608..ae08e44 100644
--- a/extra_script.py.new
+++ b/extra_script.py.new
@@ -520,19 +520,23 @@ prebuild(env)
 board="PLATFORM_BOARD_%s"%env["BOARD"].replace("-","_").upper()
 print("Board=#%s#"%board)
 print("BuildFlags=%s"%(" ".join(env["BUILD_FLAGS"])))
-
-epdtype = "unknown"
-pcbvers = "unknown"
-for x in env["BUILD_FLAGS"]:
-    if x.startswith("-D HARDWARE_"):
-        pcbvers = x.split('_')[1]
-    if x.startswith("-D DISPLAY_"):
-        epdtype = x.split('_')[1]
-
 env.Append(
     LINKFLAGS=[ "-u", "custom_app_desc" ],
-    CPPDEFINES=[(board,"1"), ("BOARD", env["BOARD"]), ("EPDTYPE", epdtype),
-                ("PCBVERS", pcbvers)]
+    CPPDEFINES=[(board,"1")]
 )
 #script does not run on clean yet - maybe in the future
 env.AddPostAction("clean",cleangenerated)
+
+#look for extra task scripts and include them here
+for taskdir in userTaskDirs:
+    script = os.path.join(taskdir, "extra_task.py")
+    if os.path.isfile(script):
+        taskname = os.path.basename(os.path.normpath(taskdir))
+        print("#extra task script for '{}'".format(taskname))
+        with open(script) as fh:
+            try:
+                code = compile(fh.read(), task, 'exec')
+            except SyntaxError:
+                print("#ERROR: script does not compile")
+                continue
+            exec(code)
diff --git a/lib/obp60task/PageSystem.cpp b/lib/obp60task/PageSystem.cpp
index 7e58d15..417c1b0 100644
--- a/lib/obp60task/PageSystem.cpp
+++ b/lib/obp60task/PageSystem.cpp
@@ -17,6 +17,7 @@
 #define BOARDINFO STRINGIZE(BOARD)
 #define PCBINFO STRINGIZE(PCBVERS)
 #define DISPLAYINFO STRINGIZE(EPDTYPE)
+#define GXEPD2INFO STRINGIZE(GXEPD2VERS)
 
 /*
  * Special system page, called directly with fast key sequence 5,4
@@ -207,19 +208,21 @@ public:
 
             getdisplay().setCursor(8, 95);
             getdisplay().print("Firmware version: ");
-            getdisplay().setCursor(160, 95);
+            getdisplay().setCursor(150, 95);
             getdisplay().print(VERSINFO);
 
             getdisplay().setCursor(8, 113);
             getdisplay().print("Board version: ");
-            getdisplay().setCursor(160, 113);
+            getdisplay().setCursor(150, 113);
             getdisplay().print(BOARDINFO);
             getdisplay().print(String(" HW ") + String(PCBINFO));
 
             getdisplay().setCursor(8, 131);
             getdisplay().print("Display version: ");
-            getdisplay().setCursor(160, 131);
+            getdisplay().setCursor(150, 131);
             getdisplay().print(DISPLAYINFO);
+            getdisplay().print("; GxEPD2 v");
+            getdisplay().print(GXEPD2INFO);
 
             getdisplay().setCursor(8, 265);
 #ifdef BOARD_OBP60S3
diff --git a/lib/obp60task/extra_task.py b/lib/obp60task/extra_task.py
new file mode 100644
index 0000000..28e9980
--- /dev/null
+++ b/lib/obp60task/extra_task.py
@@ -0,0 +1,30 @@
+# PlatformIO extra script for obp60task
+
+epdtype = "unknown"
+pcbvers = "unknown"
+for x in env["BUILD_FLAGS"]:
+    if x.startswith("-D HARDWARE_"):
+        pcbvers = x.split('_')[1]
+    if x.startswith("-D DISPLAY_"):
+        epdtype = x.split('_')[1]
+
+propfilename = os.path.join(env["PROJECT_LIBDEPS_DIR"], env["PIOENV"], "GxEPD2/library.properties")
+properties = {}
+with open(propfilename, 'r') as file:
+    for line in file:
+        match = re.match(r'^([^=]+)=(.*)$', line)
+        if match:
+            key = match.group(1).strip()
+            value = match.group(2).strip()
+            properties[key] = value
+
+gxepd2vers = "unknown"
+try:
+    if properties["name"] == "GxEPD2":
+        gxepd2vers = properties["version"]
+except:
+    pass
+
+env["CPPDEFINES"].extend([("BOARD", env["BOARD"]), ("EPDTYPE", epdtype), ("PCBVERS", pcbvers), ("GXEPD2VERS", gxepd2vers)])
+
+print("added hardware info to CPPDEFINES")