mirror of
https://github.com/bluekitchen/btstack.git
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254 lines
8.3 KiB
C
254 lines
8.3 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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// ant + spp demo - it provides a SPP port and and sends a counter every second
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// - it also listens on ANT channel 33,1,1
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//
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// it doesn't use the LCD to get down to a minimal memory footpring
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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 <msp430x54x.h>
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#include "btstack_chipset_cc256x.h"
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#include "hal_board.h"
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#include "hal_compat.h"
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#include "hal_usb.h"
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#include "ant_cmds.h"
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#include "hci_cmd.h"
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#include "btstack_run_loop.h"
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#include "classic/sdp_util.h"
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#include "btstack_util.h"
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#include "hci.h"
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#include "l2cap.h"
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#include "btstack_memory.h"
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#include "classic/btstack_link_key_db.h"
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#include "classic/rfcomm.h"
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#include "classic/sdp.h"
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#include "btstack_config.h"
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#define HEARTBEAT_PERIOD_MS 1000
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static uint8_t rfcomm_channel_nr = 1;
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static uint16_t rfcomm_channel_id = 0;
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static uint8_t spp_service_buffer[100];
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static btstack_packet_callback_registration_t hci_event_callback_registration;
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// Bluetooth logic
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static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
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bd_addr_t event_addr;
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uint8_t rfcomm_channel_nr;
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uint16_t mtu;
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uint8_t event_code;
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// uint8_t channel;
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uint8_t message_id;
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switch (packet_type) {
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case HCI_EVENT_PACKET:
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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) {
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printf("BTstack is up and running\n");
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// start ANT init
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ant_send_cmd(&ant_reset);
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}
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break;
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case HCI_EVENT_COMMAND_COMPLETE:
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if (COMMAND_COMPLETE_EVENT(packet, hci_read_bd_addr)){
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bt_flip_addr(event_addr, &packet[6]);
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printf("BD-ADDR: %s\n\r", bd_addr_to_str(event_addr));
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break;
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}
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break;
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case HCI_EVENT_LINK_KEY_REQUEST:
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// deny link key request
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printf("Link key request\n\r");
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bt_flip_addr(event_addr, &packet[2]);
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hci_send_cmd(&hci_link_key_request_negative_reply, &event_addr);
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break;
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case HCI_EVENT_PIN_CODE_REQUEST:
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// inform about pin code request
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printf("Pin code request - using '0000'\n\r");
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bt_flip_addr(event_addr, &packet[2]);
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hci_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000");
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break;
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case RFCOMM_EVENT_INCOMING_CONNECTION:
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// data: event (8), len(8), address(48), channel (8), rfcomm_cid (16)
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bt_flip_addr(event_addr, &packet[2]);
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rfcomm_channel_nr = packet[8];
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rfcomm_channel_id = little_endian_read_16(packet, 9);
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printf("RFCOMM channel %u requested for %s\n\r", rfcomm_channel_nr, bd_addr_to_str(event_addr));
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rfcomm_accept_connection(rfcomm_channel_id);
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break;
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case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE:
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// data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16)
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if (packet[2]) {
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printf("RFCOMM channel open failed, status %u\n\r", packet[2]);
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} else {
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rfcomm_channel_id = little_endian_read_16(packet, 12);
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mtu = little_endian_read_16(packet, 14);
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printf("\n\rRFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n\r", rfcomm_channel_id, mtu);
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}
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break;
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case RFCOMM_EVENT_CHANNEL_CLOSED:
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rfcomm_channel_id = 0;
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break;
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case 0xff: // vendor specific -> ANT
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// vendor specific ant message
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if (packet[2] != 0x00) break;
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if (packet[3] != 0x05) break;
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event_code = packet[7];
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printf("ANT Event: ");
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printf_hexdump(packet, size);
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switch(event_code){
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case MESG_STARTUP_MESG_ID:
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// 2. assign channel
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ant_send_cmd(&ant_assign_channel, 0, 0x00, 0);
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break;
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case MESG_RESPONSE_EVENT_ID:
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// channel = packet[8];
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message_id = packet[9];
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switch (message_id){
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case MESG_ASSIGN_CHANNEL_ID:
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// 3. set channel ID
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ant_send_cmd(&ant_channel_id, 0, 33, 1, 1);
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break;
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case MESG_CHANNEL_ID_ID:
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// 4. open channel
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ant_send_cmd(&ant_open_channel, 0);
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}
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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static void heartbeat_handler(struct btstack_timer_source *ts){
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if (rfcomm_channel_id){
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static int counter = 0;
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char lineBuffer[30];
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sprintf(lineBuffer, "BTstack counter %04u\n\r", ++counter);
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printf(lineBuffer);
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if (rfcomm_can_send_packet_now(rfcomm_channel_id)){
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int err = rfcomm_send(rfcomm_channel_id, (uint8_t*) lineBuffer, strlen(lineBuffer));
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if (err) {
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printf("rfcomm_send -> error %d", err);
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}
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}
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}
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btstack_run_loop_set_timer(ts, HEARTBEAT_PERIOD_MS);
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btstack_run_loop_add_timer(ts);
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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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// register for HCI events
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hci_event_callback_registration.callback = &packet_handler;
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hci_add_event_handler(&hci_event_callback_registration);
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// init L2CAP
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l2cap_init();
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// init RFCOMM
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rfcomm_init();
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rfcomm_register_service(packet_handler, rfcomm_channel_nr, 100); // reserved channel, mtu=100
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// init SDP, create record for SPP and register with SDP
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sdp_init();
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memset(spp_service_buffer, 0, sizeof(spp_service_buffer));
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sdp_create_spp_service( (uint8_t*) spp_service_buffer, 0x10001, 1, "SPP Counter");
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printf("SDP service buffer size: %u\n\r", (uint16_t) de_get_len((uint8_t*) spp_service_buffer));
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sdp_register_service(spp_service_buffer);
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// set one-shot timer
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btstack_timer_source_t heartbeat;
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heartbeat.process = &heartbeat_handler;
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btstack_run_loop_set_timer(&heartbeat, HEARTBEAT_PERIOD_MS);
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btstack_run_loop_add_timer(&heartbeat);
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// set local name
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gap_set_local_name("BlueMSP-Demo");
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// make discoverable
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hci_discoverable_control(1);
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printf("Run...\n\r");
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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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