added firmware/git rev script

platformio.ini

@@ -68,5 +68,6 @@ build_flags =
 extra_scripts = 
     pre:./src/frontend/assembly.py
     pre:./src/scripts/modify_fastaccelstepper.py
+    pre:./src/scripts/git_revision.py
 
 ; board_build.partitions = default_8MB.csv

src/scripts/git_revision.py

@@ -0,0 +1,22 @@
+import subprocess
+
+revision = (
+    subprocess.check_output(["git", "rev-parse", "HEAD"])
+    .strip()
+    .decode("utf-8")[:7]
+)
+
+def modify_system_task_h():
+    result = ""
+    with open("./src/system_task.h", 'r') as file:
+        for line in file:
+            if "String firmware_ =" in line:
+                result += f"    String firmware_ = \"{revision}\";\n"
+            else:
+                result += line
+
+    with open("./src/system_task.h", 'w') as output:
+        output.write(result)
+
+
+modify_system_task_h()

src/system_task.cpp

@@ -76,6 +76,7 @@ void SystemTask::loadSettings() {
         serial_ = getSerialNumber();
         settings_["serial_"] = serial_;
     }
+    firmware_ = getOrDefault("firmware_", firmware_);
     system_wake_time_ = getOrDefault("system_wake_time_", system_wake_time_);
     system_sleep_time_ = getOrDefault("system_sleep_time_", system_sleep_time_);
 

src/system_task.h

@@ -24,8 +24,8 @@ class SystemTask: public Task {
     String serial_      = "";
     // String manufacturer_ = "";
     // String model_ = "";
-    // String firmware_ = "0.1.1";
-    int system_wake_time_  = SYSTEM_WAKE_DURATION;          // ms
+    String firmware_ = "d0e7373";
+    int system_wake_time_  = SYSTEM_WAKE_DURATION;         // ms
     int system_sleep_time_ = SYSTEM_SLEEP_DURTION * 1000;  // us
 
     bool button_pressed_        = false;