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example: rename le_data_channel examples into le_credit_based_flow_control_mode

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This commit is contained in:
Matthias Ringwald 2021-11-20 22:51:15 +01:00
parent 40b92a9edc
commit 284d66bc61
15 changed files with 155 additions and 163 deletions
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4
doc/manual/markdown_create_examples.py
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@ -42,12 +42,12 @@ list_of_examples = {
["gatt_battery_query"], ["gatt_device_information_query"], ["gatt_heart_rate_client"], ["gatt_battery_query"], ["gatt_device_information_query"], ["gatt_heart_rate_client"],
["nordic_spp_le_counter"], ["nordic_spp_le_streamer"], ["ublox_spp_le_counter"], ["nordic_spp_le_counter"], ["nordic_spp_le_streamer"], ["ublox_spp_le_counter"],
["sm_pairing_central"], ["sm_pairing_peripheral"], ["sm_pairing_central"], ["sm_pairing_peripheral"],
["le_data_channel_client"], ["le_data_channel_server"], ["le_credit_based_flow_control_mode_client"], ["le_credit_based_flow_control_mode_server"],
["att_delayed_response"], ["ancs_client_demo"], ["le_mitm"]], ["att_delayed_response"], ["ancs_client_demo"], ["le_mitm"]],
"Networking" : [["pan_lwip_http_server"], ["panu_demo"]], "Networking" : [["pan_lwip_http_server"], ["panu_demo"]],
"Performance" : [["le_streamer_client"], ["gatt_streamer_server"], ["le_data_channel_client"], ["le_data_channel_server"], ["spp_streamer_client"], ["spp_streamer"]], "Performance" : [["le_streamer_client"], ["gatt_streamer_server"], ["le_credit_based_flow_control_mode_client"], ["le_credit_based_flow_control_mode_server"], ["spp_streamer_client"], ["spp_streamer"]],
"Phone Book Access" : [["pbap_client_demo"]], "Phone Book Access" : [["pbap_client_demo"]],
"SDP Queries" : [["sdp_general_query"], ["sdp_rfcomm_query"], ["sdp_bnep_query"]], "SDP Queries" : [["sdp_general_query"], ["sdp_rfcomm_query"], ["sdp_bnep_query"]],

14
example/Makefile.inc
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@ -231,8 +231,8 @@ EXAMPLES_LE_ONLY= \
hog_host_demo \ hog_host_demo \
hog_keyboard_demo \ hog_keyboard_demo \
hog_mouse_demo \ hog_mouse_demo \
le_data_channel_client \ le_credit_based_flow_control_mode_client \
le_data_channel_server \ le_credit_based_flow_control_mode_server \
le_mitm \ le_mitm \
le_streamer_client \ le_streamer_client \
mesh_node_demo \ mesh_node_demo \
@ -262,7 +262,7 @@ EXAMPLES_GATT_FILES = \
gatt_streamer_server.gatt \ gatt_streamer_server.gatt \
hog_keyboard_demo.gatt \ hog_keyboard_demo.gatt \
hog_mouse_demo.gatt \ hog_mouse_demo.gatt \
le_data_channel_server.gatt \ le_credit_based_flow_control_mode_server.gatt \
nordic_spp_le_counter.gatt \ nordic_spp_le_counter.gatt \
nordic_spp_le_streamer.gatt \ nordic_spp_le_streamer.gatt \
sm_pairing_central.gatt \ sm_pairing_central.gatt \
@ -492,14 +492,14 @@ avrcp_browsing_client: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} ${SDP_CLIENT} ${
dut_mode_classic: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} dut_mode_classic.c dut_mode_classic: ${CORE_OBJ} ${COMMON_OBJ} ${CLASSIC_OBJ} dut_mode_classic.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@ ${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
le_data_channel_client: ${CORE_OBJ} ${COMMON_OBJ} le_data_channel_client.c le_credit_based_flow_control_mode_client: ${CORE_OBJ} ${COMMON_OBJ} le_credit_based_flow_control_mode_client.c
${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@ ${CC} $^ ${CFLAGS} ${LDFLAGS} -o $@
le_data_channel_server.o: le_data_channel_server.h le_data_channel_server.c le_credit_based_flow_control_mode_server.o: le_credit_based_flow_control_mode_server.h le_credit_based_flow_control_mode_server.c
${CC} ${CFLAGS} -c $(filter-out le_data_channel_server.h,$^) -o $@ ${CC} ${CFLAGS} -c $(filter-out le_credit_based_flow_control_mode_server.h,$^) -o $@
le_data_channel_server: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} le_data_channel_server.o le_credit_based_flow_control_mode_server: ${CORE_OBJ} ${COMMON_OBJ} ${ATT_OBJ} ${GATT_SERVER_OBJ} le_credit_based_flow_control_mode_server.o
${CC} $^ ${LDFLAGS} -o $@ ${CC} $^ ${LDFLAGS} -o $@

82
example/le_data_channel_client.c → example/le_credit_based_flow_control_mode_client.c
View File

@ -35,13 +35,13 @@
* *
*/ */
#define BTSTACK_FILE__ "le_data_channel_client.c" #define BTSTACK_FILE__ "le_credit_based_flow_control_mode_client.c"
// ***************************************************************************** // *****************************************************************************
/* EXAMPLE_START(le_data_channel_client): LE Data Channel Client - Send Data over L2CAP /* EXAMPLE_START(le_credit_based_flow_control_mode_client): LE Credit-Based Flow-Control Mode Client - Send Data over L2CAP
* *
* @text Connects to 'LE Data Channel' and streams data * @text Connects to 'LE CBM Server' and streams data
* via LE Data Channel == LE Connection-Oriented Channel == LE Credit-based Connection * via L2CAP Channel in LE Credit-Based Flow-Control Mode (CBM)
*/ */
// ***************************************************************************** // *****************************************************************************
@ -71,14 +71,14 @@ static bd_addr_t cmdline_addr;
static int cmdline_addr_found = 0; static int cmdline_addr_found = 0;
// addr and type of device with correct name // addr and type of device with correct name
static bd_addr_t le_data_channel_addr; static bd_addr_t le_cbm_server_addr;
static bd_addr_type_t le_data_channel_addr_type; static bd_addr_type_t le_cbm_server_addr_type;
static hci_con_handle_t connection_handle; static hci_con_handle_t connection_handle;
static btstack_packet_callback_registration_t hci_event_callback_registration; static btstack_packet_callback_registration_t hci_event_callback_registration;
static btstack_packet_callback_registration_t sm_event_callback_registration; static btstack_packet_callback_registration_t sm_event_callback_registration;
static uint8_t data_channel_buffer[TEST_PACKET_SIZE]; static uint8_t cbm_receive_buffer[TEST_PACKET_SIZE];
/* /*
* @section Track throughput * @section Track throughput
@ -101,16 +101,16 @@ typedef struct {
int test_data_len; int test_data_len;
uint32_t test_data_sent; uint32_t test_data_sent;
uint32_t test_data_start; uint32_t test_data_start;
} le_data_channel_connection_t; } le_cbm_connection_t;
static le_data_channel_connection_t le_data_channel_connection; static le_cbm_connection_t le_cbm_connection;
static void test_reset(le_data_channel_connection_t * context){ static void test_reset(le_cbm_connection_t * context){
context->test_data_start = btstack_run_loop_get_time_ms(); context->test_data_start = btstack_run_loop_get_time_ms();
context->test_data_sent = 0; context->test_data_sent = 0;
} }
static void test_track_data(le_data_channel_connection_t * context, int bytes_transferred){ static void test_track_data(le_cbm_connection_t * context, int bytes_transferred){
context->test_data_sent += bytes_transferred; context->test_data_sent += bytes_transferred;
// evaluate // evaluate
uint32_t now = btstack_run_loop_get_time_ms(); uint32_t now = btstack_run_loop_get_time_ms();
@ -167,24 +167,24 @@ static int advertisement_report_contains_name(const char * name, uint8_t * adver
static void streamer(void){ static void streamer(void){
// create test data // create test data
le_data_channel_connection.counter++; le_cbm_connection.counter++;
if (le_data_channel_connection.counter > 'Z') le_data_channel_connection.counter = 'A'; if (le_cbm_connection.counter > 'Z') le_cbm_connection.counter = 'A';
memset(le_data_channel_connection.test_data, le_data_channel_connection.counter, le_data_channel_connection.test_data_len); memset(le_cbm_connection.test_data, le_cbm_connection.counter, le_cbm_connection.test_data_len);
// send // send
l2cap_cbm_send_data(le_data_channel_connection.cid, (uint8_t *) le_data_channel_connection.test_data, le_data_channel_connection.test_data_len); l2cap_cbm_send_data(le_cbm_connection.cid, (uint8_t *) le_cbm_connection.test_data, le_cbm_connection.test_data_len);
// track // track
test_track_data(&le_data_channel_connection, le_data_channel_connection.test_data_len); test_track_data(&le_cbm_connection, le_cbm_connection.test_data_len);
// request another packet // request another packet
l2cap_cbm_request_can_send_now_event(le_data_channel_connection.cid); l2cap_cbm_request_can_send_now_event(le_cbm_connection.cid);
} }
/* LISTING_END */ /* LISTING_END */
#endif #endif
// Either connect to remote specified on command line or start scan for device with "LE Data Channel" in advertisement // Either connect to remote specified on command line or start scan for device with "LE CBM Server" in advertisement
static void le_data_channel_client_start(void){ static void le_cbm_client_start(void){
if (cmdline_addr_found){ if (cmdline_addr_found){
printf("Connect to %s\n", bd_addr_to_str(cmdline_addr)); printf("Connect to %s\n", bd_addr_to_str(cmdline_addr));
state = TC_W4_CONNECT; state = TC_W4_CONNECT;
@ -214,7 +214,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
case BTSTACK_EVENT_STATE: case BTSTACK_EVENT_STATE:
// BTstack activated, get started // BTstack activated, get started
if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING) { if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING) {
le_data_channel_client_start(); le_cbm_client_start();
} else { } else {
state = TC_OFF; state = TC_OFF;
} }
@ -222,15 +222,15 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
case GAP_EVENT_ADVERTISING_REPORT: case GAP_EVENT_ADVERTISING_REPORT:
if (state != TC_W4_SCAN_RESULT) return; if (state != TC_W4_SCAN_RESULT) return;
// check name in advertisement // check name in advertisement
if (!advertisement_report_contains_name("LE Data Channel", packet)) return; if (!advertisement_report_contains_name("LE CBM Server", packet)) return;
// store address and type // store address and type
gap_event_advertising_report_get_address(packet, le_data_channel_addr); gap_event_advertising_report_get_address(packet, le_cbm_server_addr);
le_data_channel_addr_type = gap_event_advertising_report_get_address_type(packet); le_cbm_server_addr_type = gap_event_advertising_report_get_address_type(packet);
// stop scanning, and connect to the device // stop scanning, and connect to the device
state = TC_W4_CONNECT; state = TC_W4_CONNECT;
gap_stop_scan(); gap_stop_scan();
printf("Stop scan. Connect to device with addr %s.\n", bd_addr_to_str(le_data_channel_addr)); printf("Stop scan. Connect to device with addr %s.\n", bd_addr_to_str(le_cbm_server_addr));
gap_connect(le_data_channel_addr,le_data_channel_addr_type); gap_connect(le_cbm_server_addr, le_cbm_server_addr_type);
break; break;
case HCI_EVENT_LE_META: case HCI_EVENT_LE_META:
// wait for connection complete // wait for connection complete
@ -243,19 +243,19 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
printf("Connection Latency: %u\n", hci_subevent_le_connection_complete_get_conn_latency(packet)); printf("Connection Latency: %u\n", hci_subevent_le_connection_complete_get_conn_latency(packet));
// initialize gatt client context with handle, and add it to the list of active clients // initialize gatt client context with handle, and add it to the list of active clients
// query primary services // query primary services
printf("Connect to performance test channel.\n"); printf("Connect to performance test service.\n");
state = TC_W4_CHANNEL; state = TC_W4_CHANNEL;
l2cap_cbm_create_channel(&packet_handler, connection_handle, TSPX_le_psm, data_channel_buffer, l2cap_cbm_create_channel(&packet_handler, connection_handle, TSPX_le_psm, cbm_receive_buffer,
sizeof(data_channel_buffer), L2CAP_LE_AUTOMATIC_CREDITS, LEVEL_0, &le_data_channel_connection.cid); sizeof(cbm_receive_buffer), L2CAP_LE_AUTOMATIC_CREDITS, LEVEL_0, &le_cbm_connection.cid);
break; break;
case HCI_EVENT_DISCONNECTION_COMPLETE: case HCI_EVENT_DISCONNECTION_COMPLETE:
if (cmdline_addr_found){ if (cmdline_addr_found){
printf("Disconnected %s\n", bd_addr_to_str(cmdline_addr)); printf("Disconnected %s\n", bd_addr_to_str(cmdline_addr));
return; return;
} }
printf("Disconnected %s\n", bd_addr_to_str(le_data_channel_addr)); printf("Disconnected %s\n", bd_addr_to_str(le_cbm_server_addr));
if (state == TC_OFF) break; if (state == TC_OFF) break;
le_data_channel_client_start(); le_cbm_client_start();
break; break;
case L2CAP_EVENT_CBM_CHANNEL_OPENED: case L2CAP_EVENT_CBM_CHANNEL_OPENED:
// inform about new l2cap connection // inform about new l2cap connection
@ -265,19 +265,19 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
handle = l2cap_event_le_channel_opened_get_handle(packet); handle = l2cap_event_le_channel_opened_get_handle(packet);
status = l2cap_event_le_channel_opened_get_status(packet); status = l2cap_event_le_channel_opened_get_status(packet);
if (status == ERROR_CODE_SUCCESS) { if (status == ERROR_CODE_SUCCESS) {
printf("L2CAP: LE Data Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n", printf("L2CAP: CBM Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
bd_addr_to_str(event_address), handle, psm, cid, little_endian_read_16(packet, 15)); bd_addr_to_str(event_address), handle, psm, cid, little_endian_read_16(packet, 15));
le_data_channel_connection.cid = cid; le_cbm_connection.cid = cid;
le_data_channel_connection.connection_handle = handle; le_cbm_connection.connection_handle = handle;
le_data_channel_connection.test_data_len = btstack_min(l2cap_event_le_channel_opened_get_remote_mtu(packet), sizeof(le_data_channel_connection.test_data)); le_cbm_connection.test_data_len = btstack_min(l2cap_event_le_channel_opened_get_remote_mtu(packet), sizeof(le_cbm_connection.test_data));
state = TC_TEST_DATA; state = TC_TEST_DATA;
printf("Test packet size: %u\n", le_data_channel_connection.test_data_len); printf("Test packet size: %u\n", le_cbm_connection.test_data_len);
test_reset(&le_data_channel_connection); test_reset(&le_cbm_connection);
#ifdef TEST_STREAM_DATA #ifdef TEST_STREAM_DATA
l2cap_cbm_request_can_send_now_event(le_data_channel_connection.cid); l2cap_cbm_request_can_send_now_event(le_cbm_connection.cid);
#endif #endif
} else { } else {
printf("L2CAP: LE Data Channel connection to device %s failed. status code 0x%02x\n", bd_addr_to_str(event_address), status); printf("L2CAP: Connection to device %s failed. status code 0x%02x\n", bd_addr_to_str(event_address), status);
} }
break; break;
@ -289,7 +289,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
case L2CAP_EVENT_CBM_CHANNEL_CLOSED: case L2CAP_EVENT_CBM_CHANNEL_CLOSED:
cid = l2cap_event_le_channel_closed_get_local_cid(packet); cid = l2cap_event_le_channel_closed_get_local_cid(packet);
printf("L2CAP: LE Data Channel closed 0x%02x\n", cid); printf("L2CAP: Channel closed 0x%02x\n", cid);
break; break;
default: default:
@ -298,7 +298,7 @@ static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packe
break; break;
case L2CAP_DATA_PACKET: case L2CAP_DATA_PACKET:
test_track_data(&le_data_channel_connection, size); test_track_data(&le_cbm_connection, size);
break; break;
default: default:
@ -337,7 +337,7 @@ static void sm_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *p
#ifdef HAVE_BTSTACK_STDIN #ifdef HAVE_BTSTACK_STDIN
static void usage(const char *name){ static void usage(const char *name){
fprintf(stderr, "Usage: %s [-a|--address aa:bb:cc:dd:ee:ff]\n", name); fprintf(stderr, "Usage: %s [-a|--address aa:bb:cc:dd:ee:ff]\n", name);
fprintf(stderr, "If no argument is provided, LE Data Channel Client will start scanning and connect to the first device named 'LE Data Channel'.\n"); fprintf(stderr, "If no argument is provided, LE CBM Client will start scanning and connect to the first device named 'LE CBM Server'.\n");
fprintf(stderr, "To connect to a specific device use argument [-a].\n\n"); fprintf(stderr, "To connect to a specific device use argument [-a].\n\n");
} }
#endif #endif

158
example/le_data_channel_server.c → example/le_credit_based_flow_control_mode_server.c
View File

@ -35,12 +35,12 @@
* *
*/ */
#define BTSTACK_FILE__ "le_data_channel_server.c" #define BTSTACK_FILE__ "le_credit_based_flow_control_mode_server.c"
// ***************************************************************************** // *****************************************************************************
/* EXAMPLE_START(le_data_channel): LE Data Channel Server - Receive data over L2CAP /* EXAMPLE_START(le_credit_based_flow_control_mode_server): LE Credit-Based Flow-Control Mode Server - Receive data over L2CAP
* *
* @text iOS 11 and newer supports LE Data Channels for fast transfer over LE * @text iOS 11 and newer supports L2CAP channels in LE Credit-Based Flow-Control Mode for fast transfer over LE
* [https://github.com/bluekitchen/CBL2CAPChannel-Demo](Basic iOS example on GitHub) * [https://github.com/bluekitchen/CBL2CAPChannel-Demo](Basic iOS example on GitHub)
*/ */
// ***************************************************************************** // *****************************************************************************
@ -52,7 +52,7 @@
#include <string.h> #include <string.h>
#include "btstack.h" #include "btstack.h"
#include "le_data_channel_server.h" #include "le_credit_based_flow_control_mode_server.h"
// #define TEST_STREAM_DATA // #define TEST_STREAM_DATA
#define TEST_PACKET_SIZE 1000 #define TEST_PACKET_SIZE 1000
@ -69,7 +69,7 @@ const uint8_t adv_data[] = {
// Flags general discoverable, BR/EDR not supported // Flags general discoverable, BR/EDR not supported
0x02, 0x01, 0x06, 0x02, 0x01, 0x06,
// Name // Name
0x10, 0x09, 'L', 'E', ' ', 'D', 'a', 't', 'a', ' ', 'C', 'h', 'a', 'n', 'n', 'e', 'l', 0x0E, 0x09, 'L', 'E', ' ', 'C', 'B', 'M', ' ', 'S', 'e', 'r', 'v', 'e', 'r',
}; };
const uint8_t adv_data_len = sizeof(adv_data); const uint8_t adv_data_len = sizeof(adv_data);
@ -87,63 +87,13 @@ typedef struct {
int test_data_len; int test_data_len;
uint32_t test_data_sent; uint32_t test_data_sent;
uint32_t test_data_start; uint32_t test_data_start;
} le_data_channel_connection_t; } le_cbm_connection_t;
static le_data_channel_connection_t le_data_channel_connection; static le_cbm_connection_t le_cbm_connection;
static uint16_t initial_credits = L2CAP_LE_AUTOMATIC_CREDITS; static uint16_t initial_credits = L2CAP_LE_AUTOMATIC_CREDITS;
static uint8_t data_channel_buffer[TEST_PACKET_SIZE]; static uint8_t data_channel_buffer[TEST_PACKET_SIZE];
/* @section Main Application Setup
*
* @text Listing MainConfiguration shows main application code.
* It initializes L2CAP, the Security Manager, and configures the ATT Server with the pre-compiled
* ATT Database generated from $le_data_channel.gatt$. Finally, it configures the advertisements
* and boots the Bluetooth stack.
*/
/* LISTING_START(MainConfiguration): Init L2CAP, SM, ATT Server, and enable advertisements */
static void le_data_channel_setup(void){
l2cap_init();
// setup le device db
le_device_db_init();
// setup SM: Display only
sm_init();
// setup ATT server: iOS disconnects if ATT MTU Exchange fails
att_server_init(profile_data, NULL, NULL);
// register for HCI events
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// register for SM events
sm_event_callback_registration.callback = &sm_packet_handler;
sm_add_event_handler(&sm_event_callback_registration);
// register for L2CAP events
l2cap_event_callback_registration.callback = &packet_handler;
l2cap_add_event_handler(&l2cap_event_callback_registration);
// le data channel setup
l2cap_cbm_register_service(&packet_handler, TSPX_le_psm, LEVEL_0);
// setup advertisements
uint16_t adv_int_min = 0x0030;
uint16_t adv_int_max = 0x0030;
uint8_t adv_type = 0;
bd_addr_t null_addr;
memset(null_addr, 0, 6);
gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00);
gap_advertisements_set_data(adv_data_len, (uint8_t*) adv_data);
gap_advertisements_enable(1);
}
/* LISTING_END */
/* /*
* @section Track throughput * @section Track throughput
* @text We calculate the throughput by setting a start time and measuring the amount of * @text We calculate the throughput by setting a start time and measuring the amount of
@ -153,12 +103,12 @@ static void le_data_channel_setup(void){
/* LISTING_START(tracking): Tracking throughput */ /* LISTING_START(tracking): Tracking throughput */
static void test_reset(le_data_channel_connection_t * context){ static void test_reset(le_cbm_connection_t * context){
context->test_data_start = btstack_run_loop_get_time_ms(); context->test_data_start = btstack_run_loop_get_time_ms();
context->test_data_sent = 0; context->test_data_sent = 0;
} }
static void test_track_data(le_data_channel_connection_t * context, int bytes_transferred){ static void test_track_data(le_cbm_connection_t * context, int bytes_transferred){
context->test_data_sent += bytes_transferred; context->test_data_sent += bytes_transferred;
// evaluate // evaluate
uint32_t now = btstack_run_loop_get_time_ms(); uint32_t now = btstack_run_loop_get_time_ms();
@ -231,34 +181,34 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case BTSTACK_EVENT_STATE: case BTSTACK_EVENT_STATE:
// BTstack activated, get started // BTstack activated, get started
if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING) { if (btstack_event_state_get_state(packet) == HCI_STATE_WORKING) {
printf("To start the streaming, please run the le_data_channel_client example on other device.\n"); printf("To start streaming, please run the le_credit_based_flow_control_mode_client example on other device.\n");
} }
break; break;
case HCI_EVENT_DISCONNECTION_COMPLETE: case HCI_EVENT_DISCONNECTION_COMPLETE:
// free connection // free connection
printf("%c: Disconnect, reason %02x\n", le_data_channel_connection.name, hci_event_disconnection_complete_get_reason(packet)); printf("%c: Disconnect, reason %02x\n", le_cbm_connection.name, hci_event_disconnection_complete_get_reason(packet));
le_data_channel_connection.connection_handle = HCI_CON_HANDLE_INVALID; le_cbm_connection.connection_handle = HCI_CON_HANDLE_INVALID;
break; break;
case HCI_EVENT_LE_META: case HCI_EVENT_LE_META:
switch (hci_event_le_meta_get_subevent_code(packet)) { switch (hci_event_le_meta_get_subevent_code(packet)) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE: case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
// print connection parameters (without using float operations) // print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet); conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet);
printf("%c: Connection Interval: %u.%02u ms\n", le_data_channel_connection.name, conn_interval * 125 / 100, 25 * (conn_interval & 3)); printf("%c: Connection Interval: %u.%02u ms\n", le_cbm_connection.name, conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("%c: Connection Latency: %u\n", le_data_channel_connection.name, hci_subevent_le_connection_complete_get_conn_latency(packet)); printf("%c: Connection Latency: %u\n", le_cbm_connection.name, hci_subevent_le_connection_complete_get_conn_latency(packet));
// min con interval 15 ms - supported from iOS 11 // min con interval 15 ms - supported from iOS 11
gap_request_connection_parameter_update(le_data_channel_connection.connection_handle, 12, 12, 0, 0x0048); gap_request_connection_parameter_update(le_cbm_connection.connection_handle, 12, 12, 0, 0x0048);
printf("Connected, requesting conn param update for handle 0x%04x\n", le_data_channel_connection.connection_handle); printf("Connected, requesting conn param update for handle 0x%04x\n", le_cbm_connection.connection_handle);
// //
test_reset(&le_data_channel_connection); test_reset(&le_cbm_connection);
break; break;
case HCI_SUBEVENT_LE_CONNECTION_UPDATE_COMPLETE: case HCI_SUBEVENT_LE_CONNECTION_UPDATE_COMPLETE:
// print connection parameters (without using float operations) // print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_update_complete_get_conn_interval(packet); conn_interval = hci_subevent_le_connection_update_complete_get_conn_interval(packet);
printf("LE Connection Update:\n"); printf("LE Connection Update:\n");
printf("%c: Connection Interval: %u.%02u ms\n", le_data_channel_connection.name, conn_interval * 125 / 100, 25 * (conn_interval & 3)); printf("%c: Connection Interval: %u.%02u ms\n", le_cbm_connection.name, conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("%c: Connection Latency: %u\n", le_data_channel_connection.name, hci_subevent_le_connection_update_complete_get_conn_latency(packet)); printf("%c: Connection Latency: %u\n", le_cbm_connection.name, hci_subevent_le_connection_update_complete_get_conn_latency(packet));
break; break;
default: default:
break; break;
@ -269,13 +219,13 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
printf("L2CAP Connection Parameter Update Complete, response: %x\n", l2cap_event_connection_parameter_update_response_get_result(packet)); printf("L2CAP Connection Parameter Update Complete, response: %x\n", l2cap_event_connection_parameter_update_response_get_result(packet));
break; break;
// LE Data Channels // LE Credit-based Flow-Control Mode
case L2CAP_EVENT_CBM_INCOMING_CONNECTION: case L2CAP_EVENT_CBM_INCOMING_CONNECTION:
psm = l2cap_event_le_incoming_connection_get_psm(packet); psm = l2cap_event_le_incoming_connection_get_psm(packet);
cid = l2cap_event_le_incoming_connection_get_local_cid(packet); cid = l2cap_event_le_incoming_connection_get_local_cid(packet);
if (psm != TSPX_le_psm) break; if (psm != TSPX_le_psm) break;
printf("L2CAP: Accepting incoming LE connection request for 0x%02x, PSM %02x\n", cid, psm); printf("L2CAP: Accepting incoming connection request for 0x%02x, PSM %02x\n", cid, psm);
l2cap_cbm_accept_connection(cid, data_channel_buffer, sizeof(data_channel_buffer), initial_credits); l2cap_cbm_accept_connection(cid, data_channel_buffer, sizeof(data_channel_buffer), initial_credits);
break; break;
@ -287,26 +237,26 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
handle = l2cap_event_le_channel_opened_get_handle(packet); handle = l2cap_event_le_channel_opened_get_handle(packet);
status = l2cap_event_le_channel_opened_get_status(packet); status = l2cap_event_le_channel_opened_get_status(packet);
if (status == ERROR_CODE_SUCCESS) { if (status == ERROR_CODE_SUCCESS) {
printf("L2CAP: LE Data Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n", printf("L2CAP: Channel successfully opened: %s, handle 0x%02x, psm 0x%02x, local cid 0x%02x, remote cid 0x%02x\n",
bd_addr_to_str(event_address), handle, psm, cid, little_endian_read_16(packet, 15)); bd_addr_to_str(event_address), handle, psm, cid, little_endian_read_16(packet, 15));
// setup new // setup new
le_data_channel_connection.counter = 'A'; le_cbm_connection.counter = 'A';
le_data_channel_connection.cid = cid; le_cbm_connection.cid = cid;
le_data_channel_connection.connection_handle = handle; le_cbm_connection.connection_handle = handle;
le_data_channel_connection.test_data_len = btstack_min(l2cap_event_le_channel_opened_get_remote_mtu(packet), sizeof(le_data_channel_connection.test_data)); le_cbm_connection.test_data_len = btstack_min(l2cap_event_le_channel_opened_get_remote_mtu(packet), sizeof(le_cbm_connection.test_data));
printf("Test packet size: %u\n", le_data_channel_connection.test_data_len); printf("Test packet size: %u\n", le_cbm_connection.test_data_len);
test_reset(&le_data_channel_connection); test_reset(&le_cbm_connection);
#ifdef TEST_STREAM_DATA #ifdef TEST_STREAM_DATA
l2cap_cbm_request_can_send_now_event(le_data_channel_connection.cid); l2cap_cbm_request_can_send_now_event(le_data_channel_connection.cid);
#endif #endif
} else { } else {
printf("L2CAP: LE Data Channel connection to device %s failed. status code %u\n", bd_addr_to_str(event_address), status); printf("L2CAP: Connection to device %s failed. status code %u\n", bd_addr_to_str(event_address), status);
} }
break; break;
case L2CAP_EVENT_CBM_CHANNEL_CLOSED: case L2CAP_EVENT_CBM_CHANNEL_CLOSED:
printf("L2CAP: LE Data Channel closed\n"); printf("L2CAP: Channel closed\n");
le_data_channel_connection.cid = 0; le_cbm_connection.cid = 0;
break; break;
#ifdef TEST_STREAM_DATA #ifdef TEST_STREAM_DATA
@ -321,7 +271,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
break; break;
case L2CAP_DATA_PACKET: case L2CAP_DATA_PACKET:
test_track_data(&le_data_channel_connection, size); test_track_data(&le_cbm_connection, size);
break; break;
default: default:
@ -357,10 +307,52 @@ static void sm_packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *p
} }
} }
/* @section Main Application Setup
*
* @text Listing MainConfiguration shows main application code.
* It initializes L2CAP, the Security Manager, and configures the ATT Server with the pre-compiled
* ATT Database generated from $le_credit_based_flow_control_mode_server.gatt$. Finally, it configures the advertisements
* and boots the Bluetooth stack.
*/
int btstack_main(void); int btstack_main(void);
int btstack_main(void) int btstack_main(void)
{ {
le_data_channel_setup(); l2cap_init();
// setup le device db
le_device_db_init();
// setup SM: Display only
sm_init();
// setup ATT server: iOS disconnects if ATT MTU Exchange fails
att_server_init(profile_data, NULL, NULL);
// register for HCI events
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// register for SM events
sm_event_callback_registration.callback = &sm_packet_handler;
sm_add_event_handler(&sm_event_callback_registration);
// register for L2CAP events
l2cap_event_callback_registration.callback = &packet_handler;
l2cap_add_event_handler(&l2cap_event_callback_registration);
// le data channel setup
l2cap_cbm_register_service(&packet_handler, TSPX_le_psm, LEVEL_0);
// setup advertisements
uint16_t adv_int_min = 0x0030;
uint16_t adv_int_max = 0x0030;
uint8_t adv_type = 0;
bd_addr_t null_addr;
memset(null_addr, 0, 6);
gap_advertisements_set_params(adv_int_min, adv_int_max, adv_type, 0, null_addr, 0x07, 0x00);
gap_advertisements_set_data(adv_data_len, (uint8_t *) adv_data);
gap_advertisements_enable(1);
// turn on! // turn on!
hci_power_control(HCI_POWER_ON); hci_power_control(HCI_POWER_ON);

0
example/le_data_channel_server.gatt → example/le_credit_based_flow_control_mode_server.gatt
View File

6
port/archive/posix-h5-bcm/.gitignore vendored
View File

@ -44,9 +44,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_client le_streamer_client

6
port/libusb-intel/.gitignore vendored
View File

@ -48,9 +48,9 @@ l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_counter_work le_counter_work
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_client le_streamer_client

6
port/libusb/.gitignore vendored
View File

@ -55,9 +55,9 @@ l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_counter_work le_counter_work
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_mitm le_mitm
le_streamer le_streamer
le_streamer.h le_streamer.h

6
port/posix-h4-atwilc3000/.gitignore vendored
View File

@ -39,9 +39,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_client le_streamer_client

6
port/posix-h4-da14581/.gitignore vendored
View File

@ -54,9 +54,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_and_counter_client le_streamer_and_counter_client

6
port/posix-h4-da14585/.gitignore vendored
View File

@ -54,9 +54,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_and_counter_client le_streamer_and_counter_client

6
port/posix-h4-zephyr/.gitignore vendored
View File

@ -54,9 +54,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_and_counter_client le_streamer_and_counter_client

6
port/posix-h4/.gitignore vendored
View File

@ -54,9 +54,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_and_counter_client le_streamer_and_counter_client

6
port/posix-h5/.gitignore vendored
View File

@ -54,9 +54,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_and_counter_client le_streamer_and_counter_client

6
port/raspi/.gitignore vendored
View File

@ -44,9 +44,9 @@ hsp_hs_test
l2cap_test l2cap_test
le_counter le_counter
le_counter.h le_counter.h
le_data_channel_client le_credit_based_flow_control_mode_client
le_data_channel_server le_credit_based_flow_control_mode_server
le_data_channel_server.h le_credit_based_flow_control_mode_server.h
le_streamer le_streamer
le_streamer.h le_streamer.h
le_streamer_client le_streamer_client