Curate the garbage collector

hiveeyes · Jul 21, 2019 · a591a03 · a591a03
1 parent fc2cef1
commit a591a03
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -63,6 +63,7 @@ Development
 - Improve tooling and inline documentation
 - Add option ``main.fastboot`` for skipping LTE modem teardown
   for faster development iterations
+- Curate the garbage collector
 
 
 2019-06-22 0.5.1

diff --git a/terkin/datalogger.py b/terkin/datalogger.py
@@ -174,6 +174,9 @@ def loop(self):
         # Read sensors.
         readings = self.read_sensors()
 
+        # Run the garbage collector.
+        self.device.run_gc()
+
         # Transmit data.
         self.transmit_readings(readings)
 

diff --git a/terkin/device.py b/terkin/device.py
@@ -99,11 +99,17 @@ def start_rtc(self):
 
     def run_gc(self):
         """
-        Run a garbage collection.
+        Curate the garbage collector.
         https://docs.pycom.io/firmwareapi/micropython/gc.html
+
+        For a "quick fix", issue the following periodically.
+        https://community.hiveeyes.org/t/timing-things-on-micropython-for-esp32/2329/9
         """
         import gc
+        log.info('Start curating the garbage collector')
         gc.collect()
+        gc.threshold(gc.mem_free() // 4 + gc.mem_alloc())
+        log.info('Curating the garbage collector finished')
 
     def configure_rgb_led(self):
         """