From: Joey Castillo <joeycastillo@utexas.edu>
Date: Wed, 1 Dec 2021 23:57:03 +0000 (-0500)
Subject: movement: fix off-by-one error in accelerometer test face
X-Git-Url: https://git.earman.xyz/?a=commitdiff_plain;h=8723c70033b8b62151a7fd25a7671ff2359b9d88;p=sensor-watch.git

movement: fix off-by-one error in accelerometer test face
---

diff --git a/movement/watch_faces/demos/lis2dh_logging_face.c b/movement/watch_faces/demos/lis2dh_logging_face.c
index 367564d..0e4383c 100644
--- a/movement/watch_faces/demos/lis2dh_logging_face.c
+++ b/movement/watch_faces/demos/lis2dh_logging_face.c
@@ -14,6 +14,7 @@
 
 void _lis2dh_logging_face_log_data(lis2dh_logger_state_t *logger_state) {
     watch_date_time date_time = watch_rtc_get_date_time();
+    date_time.unit.hour = (date_time.unit.hour + 23) % 24; // log this as the number of events in the previous hour
     size_t pos = logger_state->data_points % LIS2DH_LOGGING_NUM_DATA_POINTS;
     logger_state->data[pos].timestamp.reg = date_time.reg;
     logger_state->data[pos].interrupts = logger_state->interrupts_this_hour;