diff options
Diffstat (limited to 'extmod/nimble/modbluetooth_nimble.c')
| -rw-r--r-- | extmod/nimble/modbluetooth_nimble.c | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/extmod/nimble/modbluetooth_nimble.c b/extmod/nimble/modbluetooth_nimble.c index 9ca90b6024..c0d6d64cfc 100644 --- a/extmod/nimble/modbluetooth_nimble.c +++ b/extmod/nimble/modbluetooth_nimble.c @@ -288,9 +288,17 @@ STATIC int gap_event_cb(struct ble_gap_event *event, void *arg) { // Map "done/ack" to 0, otherwise pass the status directly. mp_bluetooth_gatts_on_indicate_complete(event->notify_tx.conn_handle, event->notify_tx.attr_handle, event->notify_tx.status == BLE_HS_EDONE ? 0 : event->notify_tx.status); } + break; } - } + case BLE_GAP_EVENT_MTU: { + if (event->mtu.channel_id == BLE_L2CAP_CID_ATT) { + DEBUG_printf("gap_event_cb: mtu update: conn_handle=%d cid=%d mtu=%d\n", event->mtu.conn_handle, event->mtu.channel_id, event->mtu.value); + mp_bluetooth_gatts_on_mtu_exchanged(event->mtu.conn_handle, event->mtu.value); + } + break; + } + } return 0; } @@ -637,7 +645,7 @@ int mp_bluetooth_gatts_register_service_begin(bool append) { return 0; } -int mp_bluetooth_gatts_register_service_end() { +int mp_bluetooth_gatts_register_service_end(void) { int ret = ble_gatts_start(); if (ret != 0) { return ble_hs_err_to_errno(ret); @@ -769,6 +777,23 @@ int mp_bluetooth_gatts_set_buffer(uint16_t value_handle, size_t len, bool append return mp_bluetooth_gatts_db_resize(MP_STATE_PORT(bluetooth_nimble_root_pointers)->gatts_db, value_handle, len, append); } +int mp_bluetooth_get_preferred_mtu(void) { + if (!mp_bluetooth_is_active()) { + mp_raise_OSError(ERRNO_BLUETOOTH_NOT_ACTIVE); + } + return ble_att_preferred_mtu(); +} + +int mp_bluetooth_set_preferred_mtu(uint16_t mtu) { + if (!mp_bluetooth_is_active()) { + return ERRNO_BLUETOOTH_NOT_ACTIVE; + } + if (ble_att_set_preferred_mtu(mtu)) { + return MP_EINVAL; + } + return 0; +} + #if MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE STATIC void gattc_on_data_available(uint8_t event, uint16_t conn_handle, uint16_t value_handle, const struct os_mbuf *om) { @@ -884,6 +909,14 @@ STATIC int peripheral_gap_event_cb(struct ble_gap_event *event, void *arg) { // TODO break; + case BLE_GAP_EVENT_MTU: { + if (event->mtu.channel_id == BLE_L2CAP_CID_ATT) { + DEBUG_printf("peripheral_gap_event_cb: mtu update: conn_handle=%d cid=%d mtu=%d\n", event->mtu.conn_handle, event->mtu.channel_id, event->mtu.value); + mp_bluetooth_gatts_on_mtu_exchanged(event->mtu.conn_handle, event->mtu.value); + } + break; + } + default: break; } @@ -1042,6 +1075,13 @@ int mp_bluetooth_gattc_write(uint16_t conn_handle, uint16_t value_handle, const return ble_hs_err_to_errno(err); } +int mp_bluetooth_gattc_exchange_mtu(uint16_t conn_handle) { + DEBUG_printf("mp_bluetooth_exchange_mtu: conn_handle=%d mtu=%d\n", conn_handle, ble_att_preferred_mtu()); + + // Using NULL callback (we'll get notified in gap_event_cb instead). + return ble_hs_err_to_errno(ble_gattc_exchange_mtu(conn_handle, NULL, NULL)); +} + #endif // MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE #endif // MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE |