summaryrefslogtreecommitdiffstats
path: root/watch-library/shared
diff options
context:
space:
mode:
authorJoey Castillo <joeycastillo@utexas.edu>2022-02-12 23:10:49 -0500
committerJoey Castillo <joeycastillo@utexas.edu>2022-02-13 11:25:28 -0500
commitdf3db080219476a16e4231a03cad9e53af311fe4 (patch)
treecd270dc546f8d758fe93738d94c2cdceaaca035a /watch-library/shared
parentee95229e19ea56680828bb57e366729e6f95d079 (diff)
downloadSensor-Watch-df3db080219476a16e4231a03cad9e53af311fe4.tar.gz
Sensor-Watch-df3db080219476a16e4231a03cad9e53af311fe4.tar.bz2
Sensor-Watch-df3db080219476a16e4231a03cad9e53af311fe4.zip
sleep / deepsleep: update low power numbers
Diffstat (limited to 'watch-library/shared')
-rw-r--r--watch-library/shared/watch/watch_deepsleep.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/watch-library/shared/watch/watch_deepsleep.h b/watch-library/shared/watch/watch_deepsleep.h
index 56d75478..f3ba7091 100644
--- a/watch-library/shared/watch/watch_deepsleep.h
+++ b/watch-library/shared/watch/watch_deepsleep.h
@@ -116,8 +116,9 @@ uint32_t watch_get_backup_data(uint8_t reg);
* Note that to wake from either the ALARM button, the A2 interrupt or the A4 interrupt, you
* must first configure this by calling watch_register_extwake_callback.
*
- * You can estimate the power consumption of this mode to be on the order of 30 microwatts
- * (about 10 µA at 3 V).
+ * Power consumption depends on temperature, but as a rough estimate, this mode will consume:
+ * * 6.0 ~ 7.5µA while at normal room temperatures
+ * * 9.5µA while worn on a wrist (temperature ≈ 31° C)
*/
void watch_enter_sleep_mode(void);
@@ -129,7 +130,7 @@ void watch_enter_sleep_mode(void);
* an external wake pin.
*
* All notes from watch_enter_sleep_mode apply here, except for power consumption. You can estimate
- * the power consumption of this mode to be on the order of 12 microwatts (about 4µA at 3 V).
+ * the power consumption of this mode to be on the order of 4µA at room temperature.
*/
void watch_enter_deep_sleep_mode(void);