circuitpython/ports/espressif/common-hal/_bleio/Characteristic.c
2022-01-26 17:07:20 -08:00

128 lines
5.1 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 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 <string.h>
#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 "common-hal/_bleio/Adapter.h"
// #include "common-hal/_bleio/bonding.h"
void common_hal_bleio_characteristic_construct(bleio_characteristic_obj_t *self, bleio_service_obj_t *service,
uint16_t handle, bleio_uuid_obj_t *uuid, bleio_characteristic_properties_t props,
bleio_attribute_security_mode_t read_perm, bleio_attribute_security_mode_t write_perm,
mp_int_t max_length, bool fixed_length, mp_buffer_info_t *initial_value_bufinfo,
const char *user_description) {
mp_raise_NotImplementedError(NULL);
self->service = service;
self->uuid = uuid;
self->handle = BLEIO_HANDLE_INVALID;
self->props = props;
self->read_perm = read_perm;
self->write_perm = write_perm;
self->initial_value_len = 0;
self->initial_value = NULL;
if (initial_value_bufinfo != NULL) {
// Copy the initial value if it's on the heap. Otherwise it's internal and we may not be able
// to allocate.
self->initial_value_len = initial_value_bufinfo->len;
if (gc_alloc_possible()) {
if (gc_nbytes(initial_value_bufinfo->buf) > 0) {
uint8_t *initial_value = m_malloc(self->initial_value_len, false);
memcpy(initial_value, initial_value_bufinfo->buf, self->initial_value_len);
self->initial_value = initial_value;
} else {
self->initial_value = initial_value_bufinfo->buf;
}
self->descriptor_list = mp_obj_new_list(0, NULL);
} else {
self->initial_value = initial_value_bufinfo->buf;
self->descriptor_list = NULL;
}
}
// const mp_int_t max_length_max = fixed_length ? BLE_GATTS_FIX_ATTR_LEN_MAX : BLE_GATTS_VAR_ATTR_LEN_MAX;
// if (max_length < 0 || max_length > max_length_max) {
// mp_raise_ValueError_varg(translate("max_length must be 0-%d when fixed_length is %s"),
// max_length_max, fixed_length ? "True" : "False");
// }
// TODO: Implement this.
self->max_length = max_length;
self->fixed_length = fixed_length;
if (service->is_remote) {
self->handle = handle;
} else {
common_hal_bleio_service_add_characteristic(self->service, self, initial_value_bufinfo, user_description);
}
}
mp_obj_tuple_t *common_hal_bleio_characteristic_get_descriptors(bleio_characteristic_obj_t *self) {
if (self->descriptor_list == NULL) {
return mp_const_empty_tuple;
}
return mp_obj_new_tuple(self->descriptor_list->len, self->descriptor_list->items);
}
bleio_service_obj_t *common_hal_bleio_characteristic_get_service(bleio_characteristic_obj_t *self) {
return self->service;
}
size_t common_hal_bleio_characteristic_get_value(bleio_characteristic_obj_t *self, uint8_t *buf, size_t len) {
// TODO: Implement this.
return 0;
}
size_t common_hal_bleio_characteristic_get_max_length(bleio_characteristic_obj_t *self) {
return self->max_length;
}
void common_hal_bleio_characteristic_set_value(bleio_characteristic_obj_t *self, mp_buffer_info_t *bufinfo) {
// TODO: Implement this.
}
bleio_uuid_obj_t *common_hal_bleio_characteristic_get_uuid(bleio_characteristic_obj_t *self) {
return self->uuid;
}
bleio_characteristic_properties_t common_hal_bleio_characteristic_get_properties(bleio_characteristic_obj_t *self) {
return self->props;
}
void common_hal_bleio_characteristic_add_descriptor(bleio_characteristic_obj_t *self, bleio_descriptor_obj_t *descriptor) {
// TODO: Implement this.
}
void common_hal_bleio_characteristic_set_cccd(bleio_characteristic_obj_t *self, bool notify, bool indicate) {
// TODO: Implement this.
}