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example/le_streamer: print connection interval and connection latency on connect

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This commit is contained in:
Matthias Ringwald 2017-06-27 12:14:45 +02:00
parent e67b545f69
commit 8e46c84798
3 changed files with 16 additions and 2 deletions
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5
example/le_streamer.c
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@ -166,6 +166,7 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
UNUSED(size);
int mtu;
uint16_t conn_interval;
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
@ -177,6 +178,10 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
test_data_len = ATT_DEFAULT_MTU - 3;
connection_handle = hci_subevent_le_connection_complete_get_connection_handle(packet);
// print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet);
printf("Connection Interval: %u.%02u ms\n", conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("Connection Latency: %u\n", hci_subevent_le_connection_complete_get_conn_latency(packet)); break;
// min con interval 20 ms
// gap_request_connection_parameter_update(connection_handle, 0x10, 0x18, 0, 0x0048);
// printf("Connected, requesting conn param update for handle 0x%04x\n", connection_handle);

5
example/le_streamer_client.c
View File

@ -185,6 +185,7 @@ static void hci_event_handler(uint8_t packet_type, uint16_t channel, uint8_t *pa
if (packet_type != HCI_EVENT_PACKET) return;
uint16_t conn_interval;
uint8_t event = hci_event_packet_get_type(packet);
switch (event) {
case BTSTACK_EVENT_STATE:
@ -219,6 +220,10 @@ static void hci_event_handler(uint8_t packet_type, uint16_t channel, uint8_t *pa
if (hci_event_le_meta_get_subevent_code(packet) != HCI_SUBEVENT_LE_CONNECTION_COMPLETE) break;
if (state != TC_W4_CONNECT) return;
connection_handle = hci_subevent_le_connection_complete_get_connection_handle(packet);
// print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet);
printf("Connection Interval: %u.%02u ms\n", conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("Connection Latency: %u\n", hci_subevent_le_connection_complete_get_conn_latency(packet)); break;
// initialize gatt client context with handle, and add it to the list of active clients
// query primary services
printf("Search for LE Streamer service.\n");

8
example/spp_and_le_streamer.c
View File

@ -194,7 +194,8 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
bd_addr_t event_addr;
uint8_t rfcomm_channel_nr;
uint16_t conn_interval;
switch (packet_type) {
case HCI_EVENT_PACKET:
switch (hci_event_packet_get_type(packet)) {
@ -226,7 +227,10 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
le_test_data_len = ATT_DEFAULT_MTU - 3;
le_connection_handle = hci_subevent_le_connection_complete_get_connection_handle(packet);
break;
// print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet);
printf("Connection Interval: %u.%02u ms\n", conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("Connection Latency: %u\n", hci_subevent_le_connection_complete_get_conn_latency(packet)); break;
}
break;