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91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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* Copyright (C) 2019 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup examples
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* @{
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*
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* @file
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* @brief Example for using NimBLE as a BLE scanner
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "timex.h"
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#include "ztimer.h"
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#include "shell.h"
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#include "shell_commands.h"
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#include "nimble_scanner.h"
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#include "nimble_scanlist.h"
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/* default scan duration (1s) */
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#define DEFAULT_DURATION_MS (1 * MS_PER_SEC)
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int _cmd_scan(int argc, char **argv)
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{
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uint32_t timeout = DEFAULT_DURATION_MS;
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if ((argc == 2) && (memcmp(argv[1], "help", 4) == 0)) {
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printf("usage: %s [timeout in ms]\n", argv[0]);
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return 0;
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}
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if (argc >= 2) {
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timeout = atoi(argv[1]);
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}
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nimble_scanlist_clear();
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printf("Scanning for %"PRIu32" ms now ...", timeout);
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nimble_scanner_set_scan_duration(timeout);
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nimble_scanner_start();
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ztimer_sleep(ZTIMER_MSEC, timeout);
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puts(" done\n\nResults:");
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nimble_scanlist_print();
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puts("");
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return 0;
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}
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static const shell_command_t _commands[] = {
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{ "scan", "trigger a BLE scan", _cmd_scan },
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{ NULL, NULL, NULL }
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};
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int main(void)
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{
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puts("NimBLE Scanner Example Application");
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puts("Type `scan help` for more information");
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/* in this example, we want Nimble to scan 'full time', so we set the
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* window equal the interval */
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struct ble_gap_disc_params scan_params = {
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.itvl = BLE_GAP_LIM_DISC_SCAN_INT,
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.window = BLE_GAP_LIM_DISC_SCAN_WINDOW,
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.filter_policy = 0, /* don't use */
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.limited = 0, /* no limited discovery */
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.passive = 0, /* no passive scanning */
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. filter_duplicates = 0, /* no duplicate filtering */
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};
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/* initialize the nimble scanner */
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nimble_scanlist_init();
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nimble_scanner_init(&scan_params, nimble_scanlist_update);
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/* start shell */
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char line_buf[SHELL_DEFAULT_BUFSIZE];
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shell_run(_commands, line_buf, SHELL_DEFAULT_BUFSIZE);
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return 0;
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}
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