mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-24 22:43:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

hog_mouse_demo: print connection parameter changes

Browse Source
This commit is contained in:
Matthias Ringwald 2017-10-02 12:30:01 +02:00
parent 1fcd10b705
commit 0830ab8fee
1 changed files with 32 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
example/hog_mouse_demo.c
View File

@ -120,7 +120,9 @@ static void hog_mouse_setup(void){
hci_event_callback_registration.callback = &packet_handler;
hci_add_event_handler(&hci_event_callback_registration);
// setup l2cap and register for connection parameter updates
l2cap_init();
l2cap_register_packet_handler(&packet_handler);
// setup le device db
le_device_db_init();
@ -285,6 +287,7 @@ static void hid_embedded_start_mousing(void){
static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size){
UNUSED(channel);
UNUSED(size);
uint16_t conn_interval;
switch (packet_type) {
case HCI_EVENT_PACKET:
@ -303,6 +306,29 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
case SM_EVENT_PASSKEY_DISPLAY_NUMBER:
printf("Display Passkey: %"PRIu32"\n", sm_event_passkey_display_number_get_passkey(packet));
break;
case L2CAP_EVENT_CONNECTION_PARAMETER_UPDATE_RESPONSE:
printf("L2CAP Connection Parameter Update Complete, response: %x\n", l2cap_event_connection_parameter_update_response_get_result(packet));
break;
case HCI_EVENT_LE_META:
switch (hci_event_le_meta_get_subevent_code(packet)) {
case HCI_SUBEVENT_LE_CONNECTION_COMPLETE:
// print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_complete_get_conn_interval(packet);
printf("LE Connection Complete:\n");
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;
case HCI_SUBEVENT_LE_CONNECTION_UPDATE_COMPLETE:
// print connection parameters (without using float operations)
conn_interval = hci_subevent_le_connection_update_complete_get_conn_interval(packet);
printf("LE Connection Update:\n");
printf("- Connection Interval: %u.%02u ms\n", conn_interval * 125 / 100, 25 * (conn_interval & 3));
printf("- Connection Latency: %u\n", hci_subevent_le_connection_update_complete_get_conn_latency(packet));
break;
default:
break;
}
break;
case HCI_EVENT_HIDS_META:
switch (hci_event_hids_meta_get_subevent_code(packet)){
case HIDS_SUBEVENT_INPUT_REPORT_ENABLE:
@ -311,6 +337,12 @@ static void packet_handler (uint8_t packet_type, uint16_t channel, uint8_t *pack
#ifndef HAVE_BTSTACK_STDIN
hid_embedded_start_mousing();
#endif
// request connection param update via L2CAP following Apple Bluetooth Design Guidelines
// gap_request_connection_parameter_update(con_handle, 12, 12, 4, 100); // 15 ms, 4, 1s
// directly update connection params via HCI following Apple Bluetooth Design Guidelines
// gap_update_connection_parameters(con_handle, 12, 12, 4, 100); // 60-75 ms, 4, 1s
break;
case HIDS_SUBEVENT_BOOT_KEYBOARD_INPUT_REPORT_ENABLE:
con_handle = hids_subevent_input_report_enable_get_con_handle(packet);