WIP Refactor ble advertising

Refactor ble advertising based on ble standards and conventions.
Changes are based on the bleprph example code, bluetooth docs, and nimble docs.
This commit is contained in:
James A. Jerkins 2021-08-29 15:50:04 -05:00
parent df8ea7fe52
commit be31f417db
4 changed files with 67 additions and 46 deletions

View file

@ -92,6 +92,9 @@ set(SDK_SOURCE_FILES
set(TINYCRYPT_SRC
libs/mynewt-nimble/ext/tinycrypt/src/aes_encrypt.c
libs/mynewt-nimble/ext/tinycrypt/src/utils.c
libs/mynewt-nimble/ext/tinycrypt/src/cmac_mode.c
libs/mynewt-nimble/ext/tinycrypt/src/ecc.c
libs/mynewt-nimble/ext/tinycrypt/src/ecc_dh.c
)
set(NIMBLE_SRC
@ -104,6 +107,10 @@ set(NIMBLE_SRC
libs/mynewt-nimble/nimble/host/src/ble_l2cap.c
libs/mynewt-nimble/nimble/host/src/ble_hs_mbuf.c
libs/mynewt-nimble/nimble/host/src/ble_sm.c
libs/mynewt-nimble/nimble/host/src/ble_sm_cmd.c
libs/mynewt-nimble/nimble/host/src/ble_sm_lgcy.c
libs/mynewt-nimble/nimble/host/src/ble_sm_alg.c
libs/mynewt-nimble/nimble/host/src/ble_sm_sc.c
libs/mynewt-nimble/nimble/host/src/ble_gap.c
libs/mynewt-nimble/nimble/host/src/ble_gatts.c
libs/mynewt-nimble/nimble/host/src/ble_gattc.c
@ -127,10 +134,6 @@ set(NIMBLE_SRC
libs/mynewt-nimble/nimble/host/src/ble_hs_atomic.c
libs/mynewt-nimble/nimble/host/src/ble_hs_adv.c
libs/mynewt-nimble/nimble/host/src/ble_hs_flow.c
libs/mynewt-nimble/nimble/host/src/ble_sm.c
libs/mynewt-nimble/nimble/host/src/ble_sm_cmd.c
libs/mynewt-nimble/nimble/host/src/ble_sm_lgcy.c
libs/mynewt-nimble/nimble/host/src/ble_sm_alg.c
libs/mynewt-nimble/nimble/host/src/ble_hs_mqueue.c
libs/mynewt-nimble/nimble/host/src/ble_hs_stop.c
libs/mynewt-nimble/nimble/host/src/ble_hs_startup.c

View file

@ -42,6 +42,19 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
serviceDiscovery({&currentTimeClient, &alertNotificationClient}) {
}
void nimble_on_reset(int reason) {
NRF_LOG_INFO("Resetting state; reason=%d\n", reason);
}
void nimble_on_sync(void) {
int rc;
rc = ble_hs_util_ensure_addr(0);
ASSERT(rc == 0);
nptr->StartAdvertising();
}
int GAPEventCallback(struct ble_gap_event* event, void* arg) {
auto nimbleController = static_cast<NimbleController*>(arg);
return nimbleController->OnGAPEvent(event);
@ -51,6 +64,10 @@ void NimbleController::Init() {
while (!ble_hs_synced()) {
}
nptr = this;
ble_hs_cfg.reset_cb = nimble_on_reset;
ble_hs_cfg.sync_cb = nimble_on_sync;
ble_svc_gap_init();
ble_svc_gatt_init();
@ -64,28 +81,31 @@ void NimbleController::Init() {
batteryInformationService.Init();
immediateAlertService.Init();
heartRateService.Init();
int res;
res = ble_hs_util_ensure_addr(0);
ASSERT(res == 0);
res = ble_hs_id_infer_auto(0, &addrType);
ASSERT(res == 0);
res = ble_svc_gap_device_name_set(deviceName);
ASSERT(res == 0);
int rc;
rc = ble_hs_util_ensure_addr(0);
ASSERT(rc == 0);
rc = ble_hs_id_infer_auto(0, &addrType);
ASSERT(rc == 0);
rc = ble_svc_gap_device_name_set(deviceName);
ASSERT(rc == 0);
rc = ble_svc_gap_device_appearance_set(0xC2);
ASSERT(rc == 0);
Pinetime::Controllers::Ble::BleAddress address;
res = ble_hs_id_copy_addr(addrType, address.data(), nullptr);
ASSERT(res == 0);
rc = ble_hs_id_copy_addr(addrType, address.data(), nullptr);
ASSERT(rc == 0);
bleController.AddressType((addrType == 0) ? Ble::AddressTypes::Public : Ble::AddressTypes::Random);
bleController.Address(std::move(address));
res = ble_gatts_start();
ASSERT(res == 0);
rc = ble_gatts_start();
ASSERT(rc == 0);
if (!ble_gap_adv_active() && !bleController.IsConnected())
StartAdvertising();
}
void NimbleController::StartAdvertising() {
if (bleController.IsConnected() || ble_gap_conn_active() || ble_gap_adv_active())
return;
ble_svc_gap_device_name_set(deviceName);
int rc;
/* set adv parameters */
struct ble_gap_adv_params adv_params;
@ -104,9 +124,6 @@ void NimbleController::StartAdvertising() {
adv_params.disc_mode = BLE_GAP_DISC_MODE_GEN;
fields.flags = BLE_HS_ADV_F_DISC_GEN | BLE_HS_ADV_F_BREDR_UNSUP;
// fields.uuids128 = BLE_UUID128(BLE_UUID128_DECLARE(
// 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
// 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff));
fields.uuids128 = &dfuServiceUuid;
fields.num_uuids128 = 1;
fields.uuids128_is_complete = 1;
@ -116,27 +133,24 @@ void NimbleController::StartAdvertising() {
rsp_fields.name_len = strlen(deviceName);
rsp_fields.name_is_complete = 1;
ble_gap_adv_set_fields(&fields);
// ASSERT(res == 0); // TODO this one sometimes fails with error 22 (notsync)
rc = ble_gap_adv_set_fields(&fields);
ASSERT(rc == 0);
ble_gap_adv_rsp_set_fields(&rsp_fields);
// ASSERT(res == 0);
rc = ble_gap_adv_rsp_set_fields(&rsp_fields);
ASSERT(rc == 0);
ble_gap_adv_start(addrType, NULL, 180000, &adv_params, GAPEventCallback, this);
// ASSERT(res == 0);// TODO I've disabled these ASSERT as they sometime asserts and reset the mcu.
// For now, the advertising is restarted as soon as it ends. There may be a race condition
// that prevent the advertising from restarting reliably.
// I remove the assert to prevent this uncesseray crash, but in the long term, the management of
// the advertising should be improve (better error handling, and advertise for 3 minutes after
// the application has been woken up, for example.
rc = ble_gap_adv_start(addrType, NULL, 5000, &adv_params, GAPEventCallback, this);
ASSERT(rc == 0);
}
int NimbleController::OnGAPEvent(ble_gap_event* event) {
switch (event->type) {
case BLE_GAP_EVENT_ADV_COMPLETE:
NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_ADV_COMPLETE");
NRF_LOG_INFO("advertise complete; reason=%dn status=%d", event->adv_complete.reason, event->connect.status);
NRF_LOG_INFO("reason=%d; status=%d", event->adv_complete.reason, event->connect.status);
StartAdvertising();
break;
case BLE_GAP_EVENT_CONNECT: {
NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_CONNECT");
@ -145,18 +159,19 @@ int NimbleController::OnGAPEvent(ble_gap_event* event) {
if (event->connect.status != 0) {
/* Connection failed; resume advertising. */
StartAdvertising();
bleController.Disconnect();
StartAdvertising();
} else {
connectionHandle = event->connect.conn_handle;
bleController.Connect();
systemTask.PushMessage(Pinetime::System::Messages::BleConnected);
connectionHandle = event->connect.conn_handle;
// Service discovery is deffered via systemtask
// Service discovery is deferred via systemtask
}
} break;
case BLE_GAP_EVENT_DISCONNECT:
NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_DISCONNECT");
NRF_LOG_INFO("disconnect; reason=%d", event->disconnect.reason);
NRF_LOG_INFO("disconnect reason=%d", event->disconnect.reason);
/* Connection terminated; resume advertising. */
currentTimeClient.Reset();
@ -165,15 +180,18 @@ int NimbleController::OnGAPEvent(ble_gap_event* event) {
bleController.Disconnect();
StartAdvertising();
break;
case BLE_GAP_EVENT_CONN_UPDATE:
NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_CONN_UPDATE");
/* The central has updated the connection parameters. */
NRF_LOG_INFO("connection updated; status=%d ", event->conn_update.status);
NRF_LOG_INFO("update status=%d ", event->conn_update.status);
break;
case BLE_GAP_EVENT_ENC_CHANGE:
/* Encryption has been enabled or disabled for this connection. */
NRF_LOG_INFO("encryption change event; status=%d ", event->enc_change.status);
return 0;
break;
case BLE_GAP_EVENT_SUBSCRIBE:
NRF_LOG_INFO("subscribe event; conn_handle=%d attr_handle=%d "
"reason=%d prevn=%d curn=%d previ=%d curi=???\n",
@ -183,10 +201,11 @@ int NimbleController::OnGAPEvent(ble_gap_event* event) {
event->subscribe.prev_notify,
event->subscribe.cur_notify,
event->subscribe.prev_indicate);
return 0;
break;
case BLE_GAP_EVENT_MTU:
NRF_LOG_INFO("mtu update event; conn_handle=%d cid=%d mtu=%d\n", event->mtu.conn_handle, event->mtu.channel_id, event->mtu.value);
return 0;
break;
case BLE_GAP_EVENT_REPEAT_PAIRING: {
/* We already have a bond with the peer, but it is attempting to
@ -217,8 +236,7 @@ int NimbleController::OnGAPEvent(ble_gap_event* event) {
notifSize);
alertNotificationClient.OnNotification(event);
return 0;
}
} break;
/* Attribute data is contained in event->notify_rx.attr_data. */
default:

View file

@ -101,5 +101,7 @@ namespace Pinetime {
ServiceDiscovery serviceDiscovery;
};
static NimbleController* nptr;
}
}

View file

@ -120,7 +120,6 @@ void SystemTask::Work() {
fs.Init();
nimbleController.Init();
nimbleController.StartAdvertising();
lcd.Init();
twiMaster.Init();
@ -226,7 +225,6 @@ void SystemTask::Work() {
touchPanel.Wakeup();
}
nimbleController.StartAdvertising();
xTimerStart(dimTimer, 0);
spiNorFlash.Wakeup();
lcd.Wakeup();