/* * Copyright (C) 2014 BlueKitchen GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the copyright holders nor the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * 4. Any redistribution, use, or modification is done solely for * personal benefit and not for any commercial purpose or for * monetary gain. * * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Please inquire about commercial licensing options at * contact@bluekitchen-gmbh.com * */ #define BTSTACK_FILE__ "rfcomm_echo.c" /* * rfcomm_echo.c */ #include #include #include #include #include #include #include #include #include #include "btstack_client.h" #include "classic/sdp_util.h" #ifdef _WIN32 #include "btstack_run_loop_windows.h" #else #include "btstack_run_loop_posix.h" #endif // input from command line arguments bd_addr_t addr = { }; hci_con_handle_t con_handle; uint16_t mtu; char pin[17]; int counter = 0; uint16_t rfcomm_channel_nr; uint16_t rfcomm_channel_id; uint8_t service_buffer[150]; void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ bd_addr_t event_addr; switch (packet_type) { case RFCOMM_DATA_PACKET: printf("Received RFCOMM data on channel id %u, size %u\n", channel, size); printf_hexdump(packet, size); bt_send_rfcomm(channel, packet, size); break; case HCI_EVENT_PACKET: switch (hci_event_packet_get_type(packet)) { case BTSTACK_EVENT_POWERON_FAILED: // handle HCI init failure printf("HCI Init failed - make sure you have turned off Bluetooth in the System Settings\n"); exit(1); break; case BTSTACK_EVENT_STATE: // bt stack activated, get started if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING){ // get persistent RFCOMM channel printf("HCI_STATE_WORKING\n"); bt_send_cmd(&rfcomm_persistent_channel_for_service_cmd, "ch.ringwald.btstack.rfcomm_echo2"); } break; case DAEMON_EVENT_RFCOMM_PERSISTENT_CHANNEL: rfcomm_channel_nr = packet[3]; printf("RFCOMM channel %u was assigned by BTdaemon\n", rfcomm_channel_nr); bt_send_cmd(&rfcomm_register_service_cmd, rfcomm_channel_nr, 0xffff); // reserved channel, mtu limited by l2cap break; case DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED: printf("DAEMON_EVENT_RFCOMM_SERVICE_REGISTERED channel: %u, status: 0x%02x\n", packet[3], packet[2]); // register SDP for our SPP spp_create_sdp_record((uint8_t*)service_buffer, 0x10001, rfcomm_channel_nr, "SPP ECHO"); bt_send_cmd(&sdp_register_service_record_cmd, service_buffer); bt_send_cmd(&btstack_set_discoverable, 1); break; case HCI_EVENT_PIN_CODE_REQUEST: // inform about pin code request printf("Using PIN 0000\n"); hci_event_pin_code_request_get_bd_addr(packet, event_addr); bt_send_cmd(&hci_pin_code_request_reply, &event_addr, 4, "0000"); break; case RFCOMM_EVENT_INCOMING_CONNECTION: // data: event (8), len(8), address(48), channel (8), rfcomm_cid (16) rfcomm_event_incoming_connection_get_bd_addr(packet, event_addr); rfcomm_channel_nr = rfcomm_event_incoming_connection_get_server_channel(packet); rfcomm_channel_id = rfcomm_event_incoming_connection_get_rfcomm_cid(packet); printf("RFCOMM channel %u requested for %s\n", rfcomm_channel_nr, bd_addr_to_str(event_addr)); bt_send_cmd(&rfcomm_accept_connection_cmd, rfcomm_channel_id); break; case RFCOMM_EVENT_CHANNEL_OPENED: // data: event(8), len(8), status (8), address (48), server channel(8), rfcomm_cid(16), max frame size(16) if (rfcomm_event_channel_opened_get_status(packet)) { printf("RFCOMM channel open failed, status %u\n", rfcomm_event_channel_opened_get_status(packet)); } else { rfcomm_channel_id = rfcomm_event_channel_opened_get_rfcomm_cid(packet); mtu = rfcomm_event_channel_opened_get_max_frame_size(packet); printf("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n", rfcomm_channel_id, mtu); } break; case HCI_EVENT_DISCONNECTION_COMPLETE: // connection closed -> quit test app printf("Basebank connection closed\n"); break; default: break; } break; default: break; } } int main (int argc, const char * argv[]){ #ifdef _WIN32 btstack_run_loop_init(btstack_run_loop_windows_get_instance()); #else btstack_run_loop_init(btstack_run_loop_posix_get_instance()); #endif int err = bt_open(); if (err) { fprintf(stderr,"Failed to open connection to BTdaemon, err %d\n",err); return 1; } bt_register_packet_handler(packet_handler); bt_send_cmd(&btstack_set_power_mode, HCI_POWER_ON ); btstack_run_loop_execute(); bt_close(); return 0; }