mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-01-09 15:39:08 +00:00
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
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//*****************************************************************************
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//
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// minimal setup for SDP client over USB or UART
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//
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//*****************************************************************************
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#include "btstack-config.h"
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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 "sdp_parser.h"
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#include "sdp_client.h"
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#include "sdp_query_util.h"
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#include <btstack/hci_cmds.h>
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#include <btstack/run_loop.h>
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#include "hci.h"
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#include "btstack_memory.h"
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#include "hci_dump.h"
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#include "l2cap.h"
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#include "sdp_parser.h"
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int record_id = -1;
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int attribute_id = -1;
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static uint8_t attribute_value[1000];
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static const int attribute_value_buffer_size = sizeof(attribute_value);
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static bd_addr_t remote = {0x04,0x0C,0xCE,0xE4,0x85,0xD3};
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static void handle_sdp_client_query_result(sdp_query_event_t * event);
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static void packet_handler (void * connection, uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
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printf("packet_handler type %u, packet[0] %x\n", packet_type, packet[0]);
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if (packet_type != HCI_EVENT_PACKET) return;
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uint8_t event = packet[0];
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switch (event) {
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case BTSTACK_EVENT_STATE:
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// bt stack activated, get started
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if (packet[2] == HCI_STATE_WORKING){
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sdp_general_query_for_uuid(remote, 0x1002);
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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 btstack_setup(){
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/// GET STARTED ///
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btstack_memory_init();
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run_loop_init(RUN_LOOP_POSIX);
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hci_dump_open("/tmp/hci_dump_sdp_general_query.pklg", HCI_DUMP_PACKETLOGGER);
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hci_transport_t * transport = hci_transport_usb_instance();
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hci_uart_config_t * config = NULL;
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bt_control_t * control = NULL;
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remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
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hci_init(transport, config, control, remote_db);
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printf("Client HCI init done\r\n");
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// init L2CAP
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l2cap_init();
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l2cap_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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}
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static void assertBuffer(int size){
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if (size > attribute_value_buffer_size){
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printf("SDP attribute value buffer size exceeded: available %d, required %d", attribute_value_buffer_size, size);
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}
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}
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static void handle_sdp_client_query_result(sdp_query_event_t * event){
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sdp_query_attribute_value_event_t * ve;
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sdp_query_complete_event_t * ce;
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switch (event->type){
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case SDP_QUERY_ATTRIBUTE_VALUE:
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ve = (sdp_query_attribute_value_event_t*) event;
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// handle new record
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if (ve->record_id != record_id){
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record_id = ve->record_id;
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printf("\n---\nRecord nr. %u\n", record_id);
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}
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assertBuffer(ve->attribute_length);
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attribute_value[ve->data_offset] = ve->data;
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if ((uint16_t)(ve->data_offset+1) == ve->attribute_length){
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printf("Attribute 0x%04x: ", ve->attribute_id);
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de_dump_data_element(attribute_value);
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}
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break;
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case SDP_QUERY_COMPLETE:
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ce = (sdp_query_complete_event_t*) event;
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printf("General query done with status %d.\n\n", ce->status);
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break;
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}
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}
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int main(void){
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sdp_parser_init();
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sdp_parser_register_callback(handle_sdp_client_query_result);
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btstack_setup();
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// go!
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run_loop_execute();
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return 0;
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}
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