/* * 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 MATTHIAS * RINGWALD 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 * */ // ***************************************************************************** // // minimal setup for SDP client over USB or UART // // ***************************************************************************** #include "btstack-config.h" #include #include #include #include #include "hci_cmds.h" #include "run_loop.h" #include "hci.h" #include "btstack_memory.h" #include "hci_dump.h" #include "l2cap.h" #include "classic/sdp_query_rfcomm.h" #include "classic/rfcomm.h" #define NUM_ROWS 25 #define NUM_COLS 40 typedef enum { W4_SDP_RESULT, W4_SDP_COMPLETE, W4_RFCOMM_CHANNEL, DONE } state_t; #define DATA_VOLUME (1000 * 1000) // configuration area { static bd_addr_t remote = {0x84, 0x38, 0x35, 0x65, 0xD1, 0x15}; // address of remote device static const char * spp_service_name_prefix = "Bluetooth-Incoming"; // default on OS X // configuration area } static uint8_t test_data[NUM_ROWS * NUM_COLS]; static uint16_t test_data_len = sizeof(test_data); static uint8_t channel_nr = 0; static uint16_t mtu; static uint16_t rfcomm_cid = 0; static uint32_t data_to_send = DATA_VOLUME; static state_t state = W4_SDP_RESULT; static void create_test_data(void){ int x,y; for (y=0;y error 0X%02x", err); return; } if (data_to_send < test_data_len){ rfcomm_disconnect_internal(rfcomm_cid); rfcomm_cid = 0; state = DONE; printf("SPP Streamer: enough data send, closing DLC\n"); return; } data_to_send -= test_data_len; } static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){ // printf("packet_handler type %u, packet[0] %x\n", packet_type, packet[0]); if (packet_type != HCI_EVENT_PACKET) return; uint8_t event = packet[0]; switch (event) { case BTSTACK_EVENT_STATE: // bt stack activated, get started if (packet[2] == HCI_STATE_WORKING){ sdp_query_rfcomm_channel_and_name_for_uuid(remote, SDP_PublicBrowseGroup); } break; case RFCOMM_EVENT_OPEN_CHANNEL_COMPLETE: // data: event(8), len(8), status (8), address (48), handle(16), server channel(8), rfcomm_cid(16), max frame size(16) if (packet[2]) { printf("RFCOMM channel open failed, status %u\n", packet[2]); } else { // data: event(8), len(8), status (8), address (48), handle (16), server channel(8), rfcomm_cid(16), max frame size(16) rfcomm_cid = READ_BT_16(packet, 12); mtu = READ_BT_16(packet, 14); printf("RFCOMM channel open succeeded. New RFCOMM Channel ID %u, max frame size %u\n", rfcomm_cid, mtu); if ((test_data_len > mtu)) { test_data_len = mtu; } if (rfcomm_can_send_packet_now(rfcomm_cid)) send_packet(); break; } break; case DAEMON_EVENT_HCI_PACKET_SENT: case RFCOMM_EVENT_CREDITS: if (rfcomm_can_send_packet_now(rfcomm_cid)) send_packet(); break; default: break; } } static void handle_found_service(char * name, uint8_t port){ printf("APP: Service name: '%s', RFCOMM port %u\n", name, port); if (strncmp(name, spp_service_name_prefix, strlen(spp_service_name_prefix)) != 0) return; printf("APP: matches requested SPP Service Name\n"); channel_nr = port; state = W4_SDP_COMPLETE; } static void handle_query_rfcomm_event(sdp_query_event_t * event, void * context){ sdp_query_rfcomm_service_event_t * ve; switch (event->type){ case SDP_QUERY_RFCOMM_SERVICE: ve = (sdp_query_rfcomm_service_event_t*) event; handle_found_service((char*) ve->service_name, ve->channel_nr); break; case SDP_QUERY_COMPLETE: if (state != W4_SDP_COMPLETE){ printf("Requested SPP Service %s not found \n", spp_service_name_prefix); break; } // connect printf("Requested SPP Service found, creating RFCOMM channel\n"); state = W4_RFCOMM_CHANNEL; rfcomm_create_channel_internal(NULL, remote, channel_nr); break; default: break; } } int btstack_main(int argc, const char * argv[]); int btstack_main(int argc, const char * argv[]){ create_test_data(); printf("Client HCI init done\r\n"); // init L2CAP l2cap_init(); l2cap_register_packet_handler(packet_handler); rfcomm_register_packet_handler(packet_handler); sdp_query_rfcomm_register_callback(handle_query_rfcomm_event, NULL); // turn on! hci_power_control(HCI_POWER_ON); return 0; }