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added POSIX/libusb example of general SDP query

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matthias.ringwald@gmail.com 2013-06-10 21:30:25 +00:00
parent a927c2a180
commit ad8a3deb4d
2 changed files with 139 additions and 4 deletions
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10
example/libusb/Makefile
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@ -23,7 +23,6 @@ COMMON = \
${BTSTACK_ROOT}/src/remote_device_db_memory.c \
${BTSTACK_ROOT}/src/sdp_util.c \
${BTSTACK_ROOT}/src/utils.c \
${BTSTACK_ROOT}/src/sdp_query_rfcomm.c \
${BTSTACK_ROOT}/src/sdp_parser.c \
${BTSTACK_ROOT}/src/sdp_client.c \
@ -38,10 +37,13 @@ COMMON_OBJ = $(COMMON:.c=.o)
# create firmware image from common objects and example source file
all: sdp_rfcomm_query
all: sdp_rfcomm_query general_sdp_query
#spp-usb l2cap-server-usb l2cap-client-usb l2cap-server-uart l2cap-client-uart
sdp_rfcomm_query: ${CORE_OBJ} ${COMMON_OBJ} sdp_rfcomm_query.c
sdp_rfcomm_query: ${CORE_OBJ} ${COMMON_OBJ} ${BTSTACK_ROOT}/src/sdp_query_rfcomm.c sdp_rfcomm_query.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
general_sdp_query: ${CORE_OBJ} ${COMMON_OBJ} general_sdp_query.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
spp: ${CORE_OBJ} ${COMMON_OBJ} spp-usb.o
@ -54,7 +56,7 @@ l2cap_client: ${CORE_OBJ} ${COMMON_OBJ} l2cap-client.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
clean:
rm -f l2cap_server l2cap_client spp sdp_rfcomm_query *.o *.out *.hex ../driver/*.o ${BTSTACK_ROOT}/src/*.o
rm -f sdp_rfcomm_query general_sdp_query l2cap_server l2cap_client spp *.o *.out *.hex ../driver/*.o ${BTSTACK_ROOT}/src/*.o
rm -f ${BTSTACK_ROOT}/chipset-cc256x/*.o
rm -rf *.dSYM

133
example/libusb/general_sdp_query.c Normal file
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@ -0,0 +1,133 @@
//*****************************************************************************
//
// minimal setup for SDP client over USB or UART
//
//*****************************************************************************
#include "config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sdp_parser.h"
#include "sdp_client.h"
#include <btstack/hci_cmds.h>
#include <btstack/run_loop.h>
#include "hci.h"
#include "btstack_memory.h"
#include "hci_dump.h"
#include "l2cap.h"
static bd_addr_t remote = {0x04,0x0C,0xCE,0xE4,0x85,0xD3};
static void handle_general_sdp_parser_event(sdp_parser_event_t * event);
static const uint8_t des_attributeIDList[] = {0x35, 0x05, 0x0A, 0x00, 0x01, 0xff, 0xff}; // Arribute: 0x0001 - 0xffff
static const uint8_t des_serviceSearchPattern[] = {0x35, 0x03, 0x19, 0x10, 0x02};
static void general_query(bd_addr_t remote_dev){
sdp_parser_init();
sdp_parser_register_callback(handle_general_sdp_parser_event);
sdp_client_query(remote, (uint8_t*)&des_serviceSearchPattern, (uint8_t*)&des_attributeIDList[0]);
}
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){
general_query(remote);
}
break;
default:
break;
}
}
static void btstack_setup(){
/// GET STARTED ///
btstack_memory_init();
run_loop_init(RUN_LOOP_POSIX);
hci_dump_open("/tmp/hci_dump_sdp_client.pklg", HCI_DUMP_PACKETLOGGER);
hci_transport_t * transport = hci_transport_usb_instance();
hci_uart_config_t * config = NULL;
bt_control_t * control = NULL;
remote_device_db_t * remote_db = (remote_device_db_t *) &remote_device_db_memory;
hci_init(transport, config, control, remote_db);
printf("Client HCI init done\r\n");
// init L2CAP
l2cap_init();
l2cap_register_packet_handler(packet_handler);
// turn on!
hci_power_control(HCI_POWER_ON);
}
uint16_t attribute_id = -1;
uint16_t record_id = -1;
uint8_t * attribute_value = NULL;
int attribute_value_buffer_size = 0;
void assertBuffer(int size){
if (size > attribute_value_buffer_size){
attribute_value_buffer_size *= 2;
attribute_value = (uint8_t *) realloc(attribute_value, attribute_value_buffer_size);
}
}
static void handle_general_sdp_parser_event(sdp_parser_event_t * event){
sdp_parser_attribute_value_event_t * ve;
sdp_parser_complete_event_t * ce;
switch (event->type){
case SDP_PARSER_ATTRIBUTE_VALUE:
ve = (sdp_parser_attribute_value_event_t*) event;
// handle new record
if (ve->record_id != record_id){
record_id = ve->record_id;
printf("\n---\nRecord nr. %u\n", record_id);
}
assertBuffer(ve->attribute_length);
attribute_value[ve->data_offset] = ve->data;
if ((uint16_t)(ve->data_offset+1) == ve->attribute_length){
printf("Attribute 0x%04x: ", ve->attribute_id);
de_dump_data_element(attribute_value);
}
break;
case SDP_PARSER_COMPLETE:
ce = (sdp_parser_complete_event_t*) event;
printf("General query done with status %d.\n\n", ce->status);
break;
}
}
int main(void){
attribute_value_buffer_size = 1000;
attribute_value = (uint8_t*) malloc(attribute_value_buffer_size);
record_id = -1;
sdp_parser_init();
sdp_parser_register_callback(handle_general_sdp_parser_event);
btstack_setup();
// go!
run_loop_execute();
return 0;
}