130 lines
5.2 KiB
C
130 lines
5.2 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020 Dan Halbert for Adafruit Industries
|
|
* Copyright (c) 2018 Artur Pacholec
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include "py/runtime.h"
|
|
#include "shared-bindings/_bleio/__init__.h"
|
|
#include "shared-bindings/_bleio/Characteristic.h"
|
|
#include "shared-bindings/_bleio/Descriptor.h"
|
|
#include "shared-bindings/_bleio/Service.h"
|
|
#include "shared-bindings/_bleio/Adapter.h"
|
|
|
|
uint32_t _common_hal_bleio_service_construct(bleio_service_obj_t *self, bleio_uuid_obj_t *uuid, bool is_secondary, mp_obj_list_t * characteristic_list) {
|
|
self->uuid = uuid;
|
|
self->characteristic_list = characteristic_list;
|
|
self->is_remote = false;
|
|
self->connection = NULL;
|
|
self->is_secondary = is_secondary;
|
|
|
|
vm_used_ble = true;
|
|
|
|
self->handle = bleio_adapter_add_attribute(&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(self));
|
|
self->start_handle = self->handle;
|
|
self->end_handle = self->handle;
|
|
if (self->handle == BLE_GATT_HANDLE_INVALID) {
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void common_hal_bleio_service_construct(bleio_service_obj_t *self, bleio_uuid_obj_t *uuid, bool is_secondary) {
|
|
if (_common_hal_bleio_service_construct(self, uuid, is_secondary,
|
|
mp_obj_new_list(0, NULL)) != 0) {
|
|
mp_raise_RuntimeError(translate("Failed to add service"));
|
|
}
|
|
}
|
|
|
|
void bleio_service_from_connection(bleio_service_obj_t *self, mp_obj_t connection) {
|
|
self->handle = 0xFFFF;
|
|
self->uuid = NULL;
|
|
self->characteristic_list = mp_obj_new_list(0, NULL);
|
|
self->is_remote = true;
|
|
self->is_secondary = false;
|
|
self->connection = connection;
|
|
}
|
|
|
|
bleio_uuid_obj_t *common_hal_bleio_service_get_uuid(bleio_service_obj_t *self) {
|
|
return self->uuid;
|
|
}
|
|
|
|
mp_obj_tuple_t *common_hal_bleio_service_get_characteristics(bleio_service_obj_t *self) {
|
|
return mp_obj_new_tuple(self->characteristic_list->len, self->characteristic_list->items);
|
|
}
|
|
|
|
bool common_hal_bleio_service_get_is_remote(bleio_service_obj_t *self) {
|
|
return self->is_remote;
|
|
}
|
|
|
|
bool common_hal_bleio_service_get_is_secondary(bleio_service_obj_t *self) {
|
|
return self->is_secondary;
|
|
}
|
|
|
|
void common_hal_bleio_service_add_characteristic(bleio_service_obj_t *self,
|
|
bleio_characteristic_obj_t *characteristic,
|
|
mp_buffer_info_t *initial_value_bufinfo) {
|
|
|
|
if (self->handle != common_hal_bleio_adapter_obj.last_added_service_handle) {
|
|
mp_raise_bleio_BluetoothError(
|
|
translate("Characteristic can only be added to most recently added service"));
|
|
}
|
|
characteristic->decl_handle = bleio_adapter_add_attribute(
|
|
&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(characteristic));
|
|
// This is the value handle.
|
|
characteristic->handle = bleio_adapter_add_attribute(
|
|
&common_hal_bleio_adapter_obj, MP_OBJ_TO_PTR(characteristic));
|
|
|
|
self->end_handle = characteristic->handle;
|
|
|
|
if (characteristic->props & (CHAR_PROP_NOTIFY | CHAR_PROP_INDICATE)) {
|
|
// We need a CCCD if this characteristic is doing notify or indicate.
|
|
bleio_descriptor_obj_t *cccd = m_new_obj(bleio_descriptor_obj_t);
|
|
cccd->base.type = &bleio_descriptor_type;
|
|
|
|
uint16_t zero = 0;
|
|
mp_buffer_info_t zero_cccd_value = {
|
|
.buf = &zero,
|
|
.len = sizeof(zero),
|
|
};
|
|
|
|
common_hal_bleio_descriptor_construct(
|
|
cccd,
|
|
characteristic,
|
|
&cccd_uuid, // 0x2902
|
|
SECURITY_MODE_OPEN, // CCCD read perm
|
|
characteristic->read_perm, // Make CCCD write perm match characteristic read perm.
|
|
2, // 2 bytes
|
|
true, // fixed length
|
|
&zero_cccd_value // Initial value is 0.
|
|
);
|
|
|
|
// Adds CCCD to attribute table, and also extends self->end_handle to include the CCCD.
|
|
common_hal_bleio_characteristic_add_descriptor(characteristic, cccd);
|
|
characteristic->cccd = cccd;
|
|
}
|
|
|
|
mp_obj_list_append(self->characteristic_list, MP_OBJ_FROM_PTR(characteristic));
|
|
}
|