104 lines
3.7 KiB
C
104 lines
3.7 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) 2019 Dan Halbert for Adafruit Industries
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* Copyright (c) 2018 Artur Pacholec
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* Copyright (c) 2016 Glenn Ruben Bakke
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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_drv.h"
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#include "ble_gap.h"
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#include "py/mphal.h"
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#include "py/objlist.h"
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#include "py/runtime.h"
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#include "shared-bindings/bleio/Adapter.h"
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#include "shared-bindings/bleio/ScanEntry.h"
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#include "shared-bindings/bleio/Scanner.h"
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#include "shared-module/bleio/ScanEntry.h"
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static uint8_t m_scan_buffer_data[BLE_GAP_SCAN_BUFFER_MIN];
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static ble_data_t m_scan_buffer = {
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m_scan_buffer_data,
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BLE_GAP_SCAN_BUFFER_MIN
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};
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STATIC void on_ble_evt(ble_evt_t *ble_evt, void *scanner_in) {
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bleio_scanner_obj_t *scanner = (bleio_scanner_obj_t*)scanner_in;
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ble_gap_evt_adv_report_t *report = &ble_evt->evt.gap_evt.params.adv_report;
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if (ble_evt->header.evt_id != BLE_GAP_EVT_ADV_REPORT) {
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return;
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}
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bleio_scanentry_obj_t *entry = m_new_obj(bleio_scanentry_obj_t);
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entry->base.type = &bleio_scanentry_type;
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entry->rssi = report->rssi;
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memcpy(entry->address.bytes, report->data.p_data, NUM_BLEIO_ADDRESS_BYTES);
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entry->address.type = report->peer_addr.addr_type;
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entry->data = mp_obj_new_bytes(report->data.p_data, report->data.len);
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mp_obj_list_append(scanner->adv_reports, entry);
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const uint32_t err_code = sd_ble_gap_scan_start(NULL, &m_scan_buffer);
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg_varg(translate("Failed to continue scanning, err 0x%04x"), err_code);
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}
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}
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void common_hal_bleio_scanner_construct(bleio_scanner_obj_t *self) {
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self->adv_reports = mp_obj_new_list(0, NULL);
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}
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void common_hal_bleio_scanner_scan(bleio_scanner_obj_t *self, mp_float_t timeout, mp_float_t interval, mp_float_t window) {
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common_hal_bleio_adapter_set_enabled(true);
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ble_drv_add_event_handler(on_ble_evt, self);
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ble_gap_scan_params_t scan_params = {
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.interval = SEC_TO_UNITS(interval, UNIT_0_625_MS),
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.window = SEC_TO_UNITS(window, UNIT_0_625_MS),
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.scan_phys = BLE_GAP_PHY_1MBPS,
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};
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// Empty the advertising reports list.
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mp_obj_list_clear(self->adv_reports);
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uint32_t err_code;
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err_code = sd_ble_gap_scan_start(&scan_params, &m_scan_buffer);
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if (err_code != NRF_SUCCESS) {
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mp_raise_OSError_msg_varg(translate("Failed to start scanning, err 0x%04x"), err_code);
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}
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mp_hal_delay_ms(timeout * 1000);
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sd_ble_gap_scan_stop();
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}
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mp_obj_t common_hal_bleio_scanner_get_adv_reports(bleio_scanner_obj_t *self) {
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return self->adv_reports;
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}
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