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Merge pull request #70 from Nicell/split/2m-phy 

Split connection parameter adjustments and 2M PHY added
This commit is contained in:
Pete Johanson 2020-08-06 11:11:48 -04:00 committed by GitHub
parent 81090d9af0 370cfcc59f
commit fd381e8117
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 38 additions and 2 deletions
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1
app/Kconfig
View File

@ -88,6 +88,7 @@ config ZMK_SPLIT_BLE
bool "Split keyboard support via BLE transport"
depends on ZMK_BLE
default y
select BT_USER_PHY_UPDATE
if ZMK_SPLIT_BLE

25
app/src/ble.c
View File

@ -37,7 +37,11 @@ static void connected(struct bt_conn *conn, u8_t err)
printk("Connected %s\n", addr);
bt_conn_le_param_update(conn, BT_LE_CONN_PARAM(0x0006, 0x000c, 5, 400));
bt_conn_le_param_update(conn, BT_LE_CONN_PARAM(0x0006, 0x000c, 30, 400));
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
bt_conn_le_phy_update(conn, BT_CONN_LE_PHY_PARAM_2M);
#endif
if (bt_conn_set_security(conn, BT_SECURITY_L2))
{
@ -72,10 +76,29 @@ static void security_changed(struct bt_conn *conn, bt_security_t level,
}
}
#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
static bool le_param_req(struct bt_conn *conn, struct bt_le_conn_param *param) {
static struct bt_conn_info info;
bt_conn_get_info(conn, &info);
/* This captures a param change from central half of a split board connection
to stop default params from getting set over the top of our preferred ones */
if (info.role == BT_CONN_ROLE_MASTER && (param->interval_min != 6 || param->latency != 30)) {
return false;
}
return true;
}
#endif
static struct bt_conn_cb conn_callbacks = {
.connected = connected,
.disconnected = disconnected,
.security_changed = security_changed,
#if !IS_ENABLED(CONFIG_ZMK_SPLIT_BLE_ROLE_PERIPHERAL)
.le_param_req = le_param_req,
#endif
};
static void auth_passkey_display(struct bt_conn *conn, unsigned int passkey)

14
app/src/split/bluetooth/central.c
View File

@ -149,6 +149,12 @@ static void split_central_process_connection(struct bt_conn *conn) {
return;
}
}
struct bt_conn_info info;
bt_conn_get_info(conn, &info);
LOG_DBG("New connection params: Interval: %d, Latency: %d, PHY: %d", info.le.interval, info.le.latency, info.le.phy->rx_phy);
}
static bool split_central_eir_found(struct bt_data *data, void *user_data)
@ -199,13 +205,19 @@ static bool split_central_eir_found(struct bt_data *data, void *user_data)
LOG_DBG("Found existing connection");
split_central_process_connection(default_conn);
} else {
param = BT_LE_CONN_PARAM(0x0006, 0x000c, 5, 400);
param = BT_LE_CONN_PARAM(0x0006, 0x0006, 30, 400);
err = bt_conn_le_create(addr, BT_CONN_LE_CREATE_CONN,
param, &default_conn);
if (err) {
LOG_ERR("Create conn failed (err %d)", err);
start_scan();
}
err = bt_conn_le_phy_update(default_conn, BT_CONN_LE_PHY_PARAM_2M);
if (err) {
LOG_ERR("Update phy conn failed (err %d)", err);
start_scan();
}
}
return false;