apps: steps: Add a history graph

The steplogger records steps but currently there is no way to see the data
recorded on the device itself. Make a first attempt at graphing the
step data.

Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/wasp/steplogger.py b/wasp/steplogger.py
index eb5946d..c008d8e 100644
--- a/wasp/steplogger.py
+++ b/wasp/steplogger.py
@@ -58,7 +58,7 @@ class StepIterator:
             self._f = None
 
 class StepLogger:
-    def __init__(self):
+    def __init__(self, manager):
         self._data = array.array('H', (0,) * DUMP_LENGTH)
         self._steps = wasp.watch.accel.steps
 
@@ -69,7 +69,7 @@ class StepLogger:
 
         # Queue a tick
         self._t = int(wasp.watch.rtc.time()) // TICK_PERIOD * TICK_PERIOD
-        wasp.system.set_alarm(self._t + TICK_PERIOD, self._tick)
+        manager.set_alarm(self._t + TICK_PERIOD, self._tick)
 
     def _tick(self):
         """Capture the current step count in N minute intervals.