Add feature to optionally apply patches to gateway code

lib/obp60task/extra_task.py

@@ -1,12 +1,21 @@
 # PlatformIO extra script for obp60task
 
+import subprocess
+
+patching = False
+
 epdtype = "unknown"
 pcbvers = "unknown"
 for x in env["BUILD_FLAGS"]:
-    if x.startswith("-D HARDWARE_"):
+    if not x.startswith('-D'):
+        continue
+    opt = x[2:].strip()
+    if opt.startswith("HARDWARE_"):
         pcbvers = x.split('_')[1]
-    if x.startswith("-D DISPLAY_"):
+    elif opt.startswith("DISPLAY_"):
         epdtype = x.split('_')[1]
+    elif opt == 'ENABLE_PATCHES':
+        patching = True
 
 propfilename = os.path.join(env["PROJECT_LIBDEPS_DIR"], env["PIOENV"], "GxEPD2/library.properties")
 properties = {}
@@ -28,3 +37,20 @@ except:
 env["CPPDEFINES"].extend([("BOARD", env["BOARD"]), ("EPDTYPE", epdtype), ("PCBVERS", pcbvers), ("GXEPD2VERS", gxepd2vers)])
 
 print("added hardware info to CPPDEFINES")
+
+if patching:
+    # apply patches to gateway code
+    print("applying gateway patches")
+    patchdir = os.path.join(os.path.dirname(script), "patches")
+    if not os.path.isdir(patchdir):
+        print("patchdir not found, no patches applied")
+    else:
+        patchfiles = [f for f in os.listdir(patchdir)]
+        for p in patchfiles:
+            patch = os.path.join(patchdir, p)
+            print(f"applying {patch}")
+            res = subprocess.run(["git", "apply", patch], capture_output=True, text=True)
+            if res.returncode != 0:
+                print(res.stderr)
+        else:
+            print("no patches found")

lib/obp60task/platformio.ini

@@ -58,6 +58,7 @@ build_flags=
 #    -D DISPLAY_GYE042A87            #alternativ E-Ink display from Genyo Optical, R10 2.2 ohm - medium 
 #    -D DISPLAY_SE0420NQ04           #alternativ E-Ink display from SID Technology, R10 2.2 ohm - bad (burn in effects)
 #    -D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good
+#    -D ENABLE_PATCHES               #enable patching of gateway code
     ${env.build_flags}
 #CONFIG_ESP_TASK_WDT_TIMEOUT_S = 10 #Task Watchdog timeout period (seconds) [1...60] 5 default
 upload_port = /dev/ttyACM0          #OBP60 download via USB-C direct
@@ -108,6 +109,7 @@ build_flags=
     #-D DISPLAY_ZJY400300-042CAAMFGN #alternativ E-Ink display from ZZE Technology, R10 2.2 ohm - very good   
     -D LIPO_ACCU_1200               #Hardware extension, LiPo accu 3,7V 1200mAh
     -D VOLTAGE_SENSOR               #Hardware extension, LiPo voltage sensor with two resistors
+    #-D ENABLE_PATCHES               #enable patching of gateway code
     ${env.build_flags}
 upload_port = /dev/ttyUSB0          #OBP40 download via external USB/Serail converter
 upload_protocol = esptool           #firmware upload via USB OTG seriell, by first upload need to set the ESP32-S3 in the upload mode with shortcut GND to Pin27