feat(split): Add peripheral is bonded/connected to central

For easy use by displays and indicators it would be helpful to be able to see if any peripheral at an index is connected and bonded
ReFil · Mar 21, 2024 · f1017f3 · f1017f3
1 parent 931a36f
commit f1017f3
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Showing 4 changed files with 28 additions and 1 deletion.
diff --git a/app/include/zmk/ble.h b/app/include/zmk/ble.h
@@ -38,4 +38,5 @@ int zmk_ble_unpair_all(void);
 
 #if IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
 int zmk_ble_put_peripheral_addr(const bt_addr_le_t *addr);
+bt_addr_le_t *zmk_ble_get_peripheral_addr(uint8_t index);
 #endif /* IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL) */
diff --git a/app/include/zmk/split/bluetooth/central.h b/app/include/zmk/split/bluetooth/central.h
@@ -21,4 +21,6 @@ int zmk_split_bt_update_hid_indicator(zmk_hid_indicators_t indicators);
 
 int zmk_split_get_peripheral_battery_level(uint8_t source, uint8_t *level);
 
-#endif // IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_CENTRAL_BATTERY_LEVEL_FETCHING)
+#endif // IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_CENTRAL_BATTERY_LEVEL_FETCHING)
+bool zmk_split_bt_central_peripheral_is_connected(uint8_t index);
+bool zmk_split_bt_central_peripheral_is_bonded(uint8_t index);
diff --git a/app/src/ble.c b/app/src/ble.c
@@ -357,6 +357,14 @@ int zmk_ble_put_peripheral_addr(const bt_addr_le_t *addr) {
     return -ENOMEM;
 }
 
+bt_addr_le_t *zmk_ble_get_peripheral_addr(uint8_t index) {
+    if (index < ZMK_SPLIT_BLE_PERIPHERAL_COUNT) {
+        return &peripheral_addrs[index];
+    }
+    // Peripheral index out of range
+    return (bt_addr_le_t *)BT_ADDR_LE_NONE;
+}
+
 #endif /* IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL) */
 
 #if IS_ENABLED(CONFIG_SETTINGS)

diff --git a/app/src/split/bluetooth/central.c b/app/src/split/bluetooth/central.c
@@ -743,6 +743,22 @@ static struct bt_conn_cb conn_callbacks = {
     .disconnected = split_central_disconnected,
 };
 
+bool zmk_split_bt_central_peripheral_is_connected(uint8_t index) {
+    // If index is out of range always not connected
+    if (index >= ZMK_SPLIT_BLE_PERIPHERAL_COUNT)
+        return false;
+    else
+        return (peripherals[index].state == PERIPHERAL_SLOT_STATE_CONNECTED);
+}
+
+bool zmk_split_bt_central_peripheral_is_bonded(uint8_t index) {
+    // If index is out of range always not bonded
+    if (index >= ZMK_SPLIT_BLE_PERIPHERAL_COUNT)
+        return false;
+    else
+        return (bt_addr_le_cmp(zmk_ble_get_peripheral_addr(index), BT_ADDR_LE_ANY) == 0);
+}
+
 K_THREAD_STACK_DEFINE(split_central_split_run_q_stack,
                       CONFIG_ZMK_SPLIT_BLE_CENTRAL_SPLIT_RUN_STACK_SIZE);