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feat(ble): Support perhipheral battery levels.

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* Add ability to fetch and report peripheral battery levels
  on split centrals.
* Add additional support for adding a new Battery Level
  service to split centrals that exposes fetched peripheral
  battery levels to connected hosts.

Co-authored-by: Peter Johanson <peter@peterjohanson.com>
This commit is contained in:
Gabor Hornyak
2022-03-29 21:20:52 +00:00
committed by Pete Johanson
parent d35311af97
commit 0e2f94b73b
9 changed files with 299 additions and 21 deletions
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10
app/include/zmk/events/battery_state_changed.h
View File

@@ -14,4 +14,12 @@ struct zmk_battery_state_changed {
uint8_t state_of_charge;
};
ZMK_EVENT_DECLARE(zmk_battery_state_changed);
ZMK_EVENT_DECLARE(zmk_battery_state_changed);
struct zmk_peripheral_battery_state_changed {
uint8_t source;
// TODO: Other battery channels
uint8_t state_of_charge;
};
ZMK_EVENT_DECLARE(zmk_peripheral_battery_state_changed);

6
app/include/zmk/split/bluetooth/central.h
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@@ -16,3 +16,9 @@ int zmk_split_bt_invoke_behavior(uint8_t source, struct zmk_behavior_binding *bi
int zmk_split_bt_update_hid_indicator(zmk_hid_indicators_t indicators);
#endif // IS_ENABLED(CONFIG_ZMK_SPLIT_PERIPHERAL_HID_INDICATORS)
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_CENTRAL_BATTERY_LEVEL_FETCHING)
int zmk_split_get_peripheral_battery_level(uint8_t source, uint8_t *level);
#endif // IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_CENTRAL_BATTERY_LEVEL_FETCHING)