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refactor(split): allow central to define connection parameters #1807

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merged 1 commit into from
Jun 20, 2023
Merged

refactor(split): allow central to define connection parameters #1807

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17 changes: 15 additions & 2 deletions app/src/split/bluetooth/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,18 @@ config ZMK_SPLIT_BLE_CENTRAL_SPLIT_RUN_QUEUE_SIZE
int "Max number of behavior run events to queue to send to the peripheral(s)"
default 5

config ZMK_SPLIT_BLE_PREF_INT
int "Connection interval to use for split central/peripheral connection"
default 6

config ZMK_SPLIT_BLE_PREF_LATENCY
int "Latency to use for split central/peripheral connection"
default 30

config ZMK_SPLIT_BLE_PREF_TIMEOUT
int "Supervision timeout to use for split central/peripheral connection"
default 400

endif # ZMK_SPLIT_ROLE_CENTRAL

if !ZMK_SPLIT_ROLE_CENTRAL
Expand All @@ -58,8 +70,9 @@ config BT_MAX_PAIRED
config BT_MAX_CONN
default 1

config BT_PERIPHERAL_PREF_MAX_INT
default 6
# Allow central to specify connection parameters.
config BT_GAP_AUTO_UPDATE_CONN_PARAMS
default n

#!ZMK_SPLIT_ROLE_CENTRAL
endif
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4 changes: 3 additions & 1 deletion app/src/split/bluetooth/central.c
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Original file line number Diff line number Diff line change
Expand Up @@ -383,7 +383,9 @@ static bool split_central_eir_found(const bt_addr_le_t *addr) {
struct peripheral_slot *slot = &peripherals[slot_idx];

LOG_DBG("Initiating new connnection");
struct bt_le_conn_param *param = BT_LE_CONN_PARAM(0x0006, 0x0006, 30, 400);
struct bt_le_conn_param *param =
BT_LE_CONN_PARAM(CONFIG_ZMK_SPLIT_BLE_PREF_INT, CONFIG_ZMK_SPLIT_BLE_PREF_INT,
CONFIG_ZMK_SPLIT_BLE_PREF_LATENCY, CONFIG_ZMK_SPLIT_BLE_PREF_TIMEOUT);
err = bt_conn_le_create(addr, BT_CONN_LE_CREATE_CONN, param, &slot->conn);
if (err < 0) {
LOG_ERR("Create conn failed (err %d) (create conn? 0x%04x)", err, BT_HCI_OP_LE_CREATE_CONN);
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