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movement: reset tick to 1 Hz between watch faces (fixes #36)

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This commit is contained in:
Joey Castillo
2022-01-19 11:16:10 -05:00
parent fb71be55ee
commit 138b3d0c5e
12 changed files with 8 additions and 17 deletions
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7
movement/README.md
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@@ -17,7 +17,7 @@ You can implement a watch face using just four functions:
* `watch_face_loop`
* `watch_face_resign`
A fifth optional function, `watch_face_wants_background_task`, has not yet had its implementation ironed out, but it will be added to the guide at a later date.
A fifth optional function, `watch_face_wants_background_task`, will be added to the guide at a later date. You may omit it.
To create a new watch face, you should create a new C header and source file in the watch-faces folder (i.e. for a watch face that displays moon phases: `moon_phase_face.h`, `moon_phase_face.c`), and implement these functions with your own unique prefix (i.e. `moon_phase_face_setup`). Then declare your watch face in your header file as follows:
@@ -61,7 +61,7 @@ You should set up a switch statement that handles, at the very least, the `EVENT
### watch_face_resign
This function is called just before your watch face goes off screen. You should disable any peripherals you enabled in `watch_face_activate`. If you requested a tick frequency other than 1 Hz at any point in your code, **you must reset it to 1 Hz when you resign**. The watch_face_resign function is passed the same settings and context as the other functions.
This function is called just before your watch face goes off screen. You should disable any peripherals you enabled in `watch_face_activate`. The watch_face_resign function is passed the same settings and context as the other functions.
Putting it into practice: the Pulsometer watch face
---------------------------------------------------
@@ -242,13 +242,12 @@ case EVENT_TIMEOUT:
#### Watch Face Resignation
The resign function doesn't have to do much here; it just resets the tick frequency to 1 Hz.
The resign function doesn't have anything to do; it just has to be there.
```c
void pulsometer_face_resign(movement_settings_t *settings, void *context) {
(void) settings;
(void) context;
movement_request_tick_frequency(1);
}
```