working now with wifi HTTP server to pull down log files; TODO get real time at start-up for log names, fix RTC if batteries need replacement, adopt ChatGPT recommendations. Consider higher precision time?

exercises/18_GPS_Field_QA/scripts/set_build_epoch.py

@@ -0,0 +1,13 @@
+import time
+Import("env")
+
+epoch = int(time.time())
+utc_tag = time.strftime("%Y%m%d_%H%M%S_z", time.gmtime(epoch))
+
+env.Append(
+    CPPDEFINES=[
+        ("FW_BUILD_EPOCH", str(epoch)),
+        ("FW_BUILD_UTC", '\"%s\"' % utc_tag),
+    ]
+)
+