mirror of
https://github.com/bluekitchen/btstack.git
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103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
/*
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* Copyright (C) 2014 BlueKitchen GmbH
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* 4. Any redistribution, use, or modification is done solely for
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* personal benefit and not for any commercial purpose or for
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* monetary gain.
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*
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* THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
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* RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Please inquire about commercial licensing options at
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* contact@bluekitchen-gmbh.com
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*
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*/
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// *****************************************************************************
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//
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// Minimal test sending / receiving SCO packets
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//
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// *****************************************************************************
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#include <stdint.h>
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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 "hci_cmds.h"
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#include "hci.h"
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#include "debug.h"
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uint16_t sco_handle = 0;
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static void try_send_sco(void){
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if (!sco_handle) return;
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if (!hci_can_send_sco_packet_now(sco_handle)) {
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printf("try_send_sco, cannot send now\n");
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return;
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}
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const int frames_per_packet = 20;
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hci_reserve_packet_buffer();
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uint8_t * sco_packet = hci_get_outgoing_packet_buffer();
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// set handle + flags
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bt_store_16(sco_packet, 0, sco_handle);
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// set len
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sco_packet[2] = frames_per_packet;
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int i;
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for (i=0;i<frames_per_packet;i++){
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sco_packet[3+i] = i;
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}
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hci_send_sco_packet_buffer(frames_per_packet+3);
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}
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static void packet_handler(uint8_t packet_type, uint8_t * packet, uint16_t event_size){
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switch (packet[0]) {
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case BTSTACK_EVENT_STATE:
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if (packet[2] != HCI_STATE_WORKING) break;
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// request loopback mode
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hci_send_cmd(&hci_write_loopback_mode, 1);
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break;
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case HCI_EVENT_CONNECTION_COMPLETE:
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if (packet[11]) break;
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sco_handle = READ_BT_16(packet, 3);
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printf("SCO handle 0x%04x\n", sco_handle);
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try_send_sco();
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break;
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default:
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try_send_sco();
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break;
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}
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}
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int btstack_main(int argc, const char * argv[]);
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int btstack_main(int argc, const char * argv[]){
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hci_register_packet_handler(&packet_handler);
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// turn on!
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hci_power_control(HCI_POWER_ON);
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return 0;
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}
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