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WIP Refactor ble advertising

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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
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11
src/CMakeLists.txt
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

98
src/components/ble/NimbleController.cpp
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:

2
src/components/ble/NimbleController.h
View file

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

2
src/systemtask/SystemTask.cpp
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();