circuitpython/ports/espressif/common-hal/_bleio/CharacteristicBuffer.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2019 Dan Halbert for Adafruit Industries
 *
 * 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 <stdio.h>

#include "shared/runtime/interrupt_char.h"
#include "py/runtime.h"
#include "py/stream.h"

#include "shared-bindings/_bleio/__init__.h"
#include "shared-bindings/_bleio/Connection.h"
#include "supervisor/shared/tick.h"
#include "common-hal/_bleio/CharacteristicBuffer.h"
#include "shared-bindings/_bleio/CharacteristicBuffer.h"

void _common_hal_bleio_characteristic_buffer_construct(bleio_characteristic_buffer_obj_t *self,
    bleio_characteristic_obj_t *characteristic,
    mp_float_t timeout,
    uint8_t *buffer, size_t buffer_size,
    void *static_handler_entry) {

    mp_raise_NotImplementedError(NULL);

    self->characteristic = characteristic;
    self->timeout_ms = timeout * 1000;

    self->ringbuf.buf = (uint8_t *)buffer;
    self->ringbuf.size = buffer_size;
    self->ringbuf.iget = 0;
    self->ringbuf.iput = 0;

}

// Assumes that timeout and buffer_size have been validated before call.
void common_hal_bleio_characteristic_buffer_construct(bleio_characteristic_buffer_obj_t *self,
    bleio_characteristic_obj_t *characteristic,
    mp_float_t timeout,
    size_t buffer_size) {
    uint8_t *buffer = m_malloc(buffer_size, true);
    _common_hal_bleio_characteristic_buffer_construct(self, characteristic, timeout, buffer, buffer_size, NULL);
}

uint32_t common_hal_bleio_characteristic_buffer_read(bleio_characteristic_buffer_obj_t *self, uint8_t *data, size_t len, int *errcode) {
    // TODO: Implement this.
    return 0;
}

uint32_t common_hal_bleio_characteristic_buffer_rx_characters_available(bleio_characteristic_buffer_obj_t *self) {
    // TODO: Implement this.
    return 0;
}

void common_hal_bleio_characteristic_buffer_clear_rx_buffer(bleio_characteristic_buffer_obj_t *self) {
    // TODO: Implement this.
}

bool common_hal_bleio_characteristic_buffer_deinited(bleio_characteristic_buffer_obj_t *self) {
    return self->characteristic == NULL;
}

void common_hal_bleio_characteristic_buffer_deinit(bleio_characteristic_buffer_obj_t *self) {
    // TODO: Implement this.
}

bool common_hal_bleio_characteristic_buffer_connected(bleio_characteristic_buffer_obj_t *self) {
    return self->characteristic != NULL &&
           self->characteristic->service != NULL &&
           (!self->characteristic->service->is_remote ||
               (self->characteristic->service->connection != MP_OBJ_NULL &&
                   common_hal_bleio_connection_get_connected(self->characteristic->service->connection)));
}