99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "ble.h"
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#include "ble_drv.h"
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#include "ble_hci.h"
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#include "nrf_soc.h"
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#include "py/runtime.h"
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#include "common-hal/bleio/Broadcaster.h"
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#include "shared-bindings/bleio/Adapter.h"
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#include "shared-bindings/bleio/Broadcaster.h"
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static uint8_t m_adv_handle = BLE_GAP_ADV_SET_HANDLE_NOT_SET;
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void common_hal_bleio_broadcaster_construct(bleio_broadcaster_obj_t *self, mp_float_t interval) {
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common_hal_bleio_adapter_set_enabled(true); // TODO -- Do this somewhere else maybe bleio __init__
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const mp_float_t min = BLE_GAP_ADV_INTERVAL_MIN * ADV_INTERVAL_UNIT_FLOAT_SECS;
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const mp_float_t max = BLE_GAP_ADV_INTERVAL_MAX * ADV_INTERVAL_UNIT_FLOAT_SECS;
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if (interval < min || interval > max) {
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// Would like to print range using the constants above, but vargs would convert to double.
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mp_raise_ValueError(translate("interval not in range 0.0020 to 10.24"));
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}
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self->interval = interval;
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}
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void common_hal_bleio_broadcaster_start_advertising(bleio_broadcaster_obj_t *self, mp_buffer_info_t *data) {
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uint32_t err_code;
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if (data->len >= BLE_GAP_ADV_SET_DATA_SIZE_MAX) {
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mp_raise_ValueError(translate("Data too large for advertisement packet"));
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}
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memcpy(self->adv_data, data->buf, data->len);
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ble_gap_adv_params_t m_adv_params = {
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.interval = (uint32_t) (self->interval / ADV_INTERVAL_UNIT_FLOAT_SECS),
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.properties.type = BLE_GAP_ADV_TYPE_NONCONNECTABLE_SCANNABLE_UNDIRECTED,
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.duration = BLE_GAP_ADV_TIMEOUT_GENERAL_UNLIMITED,
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.filter_policy = BLE_GAP_ADV_FP_ANY,
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.primary_phy = BLE_GAP_PHY_1MBPS,
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};
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common_hal_bleio_broadcaster_stop_advertising(self);
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const ble_gap_adv_data_t ble_gap_adv_data = {
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.adv_data.p_data = self->adv_data,
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.adv_data.len = data->len,
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};
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err_code = sd_ble_gap_adv_set_configure(&m_adv_handle, &ble_gap_adv_data, &m_adv_params);
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if (err_code == NRF_SUCCESS) {
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err_code = sd_ble_gap_adv_start(m_adv_handle, BLE_CONN_CFG_TAG_CUSTOM);
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}
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg_varg(translate("Failed to start advertising, err 0x%04x"), err_code);
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}
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}
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void common_hal_bleio_broadcaster_stop_advertising(bleio_broadcaster_obj_t *self) {
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if (m_adv_handle == BLE_GAP_ADV_SET_HANDLE_NOT_SET) {
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return;
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}
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const uint32_t err_code = sd_ble_gap_adv_stop(m_adv_handle);
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if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE)) {
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mp_raise_OSError_msg_varg(translate("Failed to stop advertising, err 0x%04x"), err_code);
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}
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}
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