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le_streamer: setup GATT over BR/EDR

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This commit is contained in:
Matthias Ringwald 2019-06-20 12:02:09 +02:00
parent 6bee1f95fc
commit 32324834e4
2 changed files with 20 additions and 4 deletions
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3
example/Makefile.inc
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@ -238,9 +238,6 @@ sdp_bnep_query: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} sdp_bnep_
spp_counter: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} spp_counter.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
le_counter: le_counter.h ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} battery_service_server.o le_counter.c
${CC} $(filter-out le_counter.h,$^) ${CFLAGS} ${LDFLAGS} -o $@
att_delayed_response: att_delayed_response.h ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} att_delayed_response.c
${CC} $(filter-out att_delayed_response.h,$^) ${CFLAGS} ${LDFLAGS} -o $@

21
example/le_streamer.c
View File

@ -71,6 +71,7 @@
#define REPORT_INTERVAL_MS 3000
#define MAX_NR_CONNECTIONS 3
static void hci_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void att_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static int att_write_callback(hci_con_handle_t con_handle, uint16_t att_handle, uint16_t transaction_mode, uint16_t offset, uint8_t *buffer, uint16_t buffer_size);
@ -105,6 +106,10 @@ static le_streamer_connection_t le_streamer_connections[MAX_NR_CONNECTIONS];
// round robin sending
static int connection_index;
#ifdef ENABLE_GATT_OVER_CLASSIC
static uint8_t gatt_service_buffer[70];
#endif
static void init_connections(void){
// track connections
int i;
@ -149,6 +154,20 @@ static void le_streamer_setup(void){
// setup SM: Display only
sm_init();
#ifdef ENABLE_GATT_OVER_CLASSIC
// init SDP, create record for GATT and register with SDP
sdp_init();
memset(gatt_service_buffer, 0, sizeof(gatt_service_buffer));
gatt_create_sdp_record(gatt_service_buffer, 0x10001, ATT_SERVICE_GATT_SERVICE_START_HANDLE, ATT_SERVICE_GATT_SERVICE_END_HANDLE);
sdp_register_service(gatt_service_buffer);
printf("SDP service record size: %u\n", de_get_len(gatt_service_buffer));
// configure Classic GAP
gap_set_local_name("GATT Streamer BR/EDR 00:00:00:00:00:00");
gap_ssp_set_io_capability(SSP_IO_CAPABILITY_DISPLAY_YES_NO);
gap_discoverable_control(1);
#endif
// setup ATT server
att_server_init(profile_data, NULL, att_write_callback);
@ -285,8 +304,8 @@ static void att_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *
context = connection_for_conn_handle(HCI_CON_HANDLE_INVALID);
if (!context) break;
context->counter = 'A';
context->test_data_len = ATT_DEFAULT_MTU - 3;
context->connection_handle = att_event_connected_get_handle(packet);
context->test_data_len = btstack_min(att_server_get_mtu(context->connection_handle) - 3, sizeof(context->test_data));
printf("%c: ATT connected, handle %04x, test data len %u\n", context->name, context->connection_handle, context->test_data_len);
break;
case ATT_EVENT_MTU_EXCHANGE_COMPLETE: