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WIP: Get bluetooth services handles #7754

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WIP: Get bluetooth services handles #7754

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293166f
Add function to convert to Nimble uuid and get the services handle
Sep 7, 2021
c0ab63f
Extmod/bluetooth: Generic function to get services handles
Sep 9, 2021
8a3290f
Remove unused and not generic imports
Sep 9, 2021
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11 changes: 11 additions & 0 deletions extmod/modbluetooth.c
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Original file line number Diff line number Diff line change
Expand Up @@ -628,6 +628,16 @@ STATIC mp_obj_t bluetooth_ble_gatts_register_services(mp_obj_t self_in, mp_obj_t
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(bluetooth_ble_gatts_register_services_obj, bluetooth_ble_gatts_register_services);

STATIC mp_obj_t bluetooth_ble_gatts_get_service_handle(mp_obj_t self_in, mp_obj_t service_uuid_in){
(void)self_in;

const mp_obj_bluetooth_uuid_t *service_uuid = MP_OBJ_TO_PTR(service_uuid_in);
uint16_t service_handle = mp_bluetooth_ble_gatts_get_service_handle(service_uuid);

return mp_obj_new_int(service_handle);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(bluetooth_ble_gatts_get_service_handle_obj, bluetooth_ble_gatts_get_service_handle);

#if MICROPY_PY_BLUETOOTH_ENABLE_CENTRAL_MODE
STATIC mp_obj_t bluetooth_ble_gap_connect(size_t n_args, const mp_obj_t *args) {
uint8_t addr_type = mp_obj_get_int(args[1]);
Expand Down Expand Up @@ -935,6 +945,7 @@ STATIC const mp_rom_map_elem_t bluetooth_ble_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_gatts_notify), MP_ROM_PTR(&bluetooth_ble_gatts_notify_obj) },
{ MP_ROM_QSTR(MP_QSTR_gatts_indicate), MP_ROM_PTR(&bluetooth_ble_gatts_indicate_obj) },
{ MP_ROM_QSTR(MP_QSTR_gatts_set_buffer), MP_ROM_PTR(&bluetooth_ble_gatts_set_buffer_obj) },
{ MP_ROM_QSTR(MP_QSTR_gatts_get_service_handle), MP_ROM_PTR(&bluetooth_ble_gatts_get_service_handle_obj) },
#if MICROPY_PY_BLUETOOTH_ENABLE_GATT_CLIENT
// GATT Client
{ MP_ROM_QSTR(MP_QSTR_gattc_discover_services), MP_ROM_PTR(&bluetooth_ble_gattc_discover_services_obj) },
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3 changes: 3 additions & 0 deletions extmod/modbluetooth.h
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Expand Up @@ -347,6 +347,9 @@ int mp_bluetooth_gatts_indicate(uint16_t conn_handle, uint16_t value_handle);
// Append-mode means that remote writes will append and local reads will clear after reading.
int mp_bluetooth_gatts_set_buffer(uint16_t value_handle, size_t len, bool append);

// Return the value handle of a service identified from its uuid.
uint16_t mp_bluetooth_ble_gatts_get_service_handle(const mp_obj_bluetooth_uuid_t *service_uuid_in);

// Disconnect from a central or peripheral.
int mp_bluetooth_gap_disconnect(uint16_t conn_handle);

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9 changes: 9 additions & 0 deletions extmod/nimble/modbluetooth_nimble.c
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Expand Up @@ -1075,6 +1075,15 @@ int mp_bluetooth_set_preferred_mtu(uint16_t mtu) {
return 0;
}

uint16_t mp_bluetooth_ble_gatts_get_service_handle(const mp_obj_bluetooth_uuid_t *service_uuid_in){
const ble_uuid_t *service_nimble_uuid = create_nimble_uuid(service_uuid_in, NULL);
uint16_t service_handle = 0;

ble_gatts_find_svc(service_nimble_uuid, &service_handle);

return service_handle;
}

#if MICROPY_PY_BLUETOOTH_ENABLE_PAIRING_BONDING
int mp_bluetooth_gap_pair(uint16_t conn_handle) {
DEBUG_printf("mp_bluetooth_gap_pair: conn_handle=%d\n", conn_handle);
Expand Down