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Fix Back being trapped on the connecting popup (all three connect flows)

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BT Inspector, BLE HID Host and Sensor Dashboard showed a "Connecting..." /
"Discovering..." popup whose Back handler ignored the key, so if a connect or
service discovery ran long the user was stuck until it timed out. Back on that
popup now sets a cancel flag and returns to the scan list immediately; the
worker thread notices the flag when its current operation finishes, drops the
half-made connection and resumes scanning, and the completion handler ignores
the cancelled result instead of jumping into the device/readings view.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LEaD4ZeAfvWLBUxXp8G11r
This commit is contained in:
andy
2026-09-10 23:48:11 +01:00
co-authored by Claude Fable 5.1
parent 45f3caffd8
commit 02f799cf9c
3 changed files with 66 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files
ble_sensor/ble_sensor.c
+23 -6
View File
@@ -70,9 +70,12 @@ typedef struct {
BcService services[BC_MAX_SERVICES];
BcChar chars[BC_MAX_CHARS];
bool connected_ok;
volatile bool cancel;
char setup_msg[40];
} App;
static App* s_app; // for the popup Back callback (popup view ctx isn't the App)
static const char* dev_label(const BcDevice* d) {
return d->name[0] ? d->name : "(no name)";
}
@@ -139,9 +142,15 @@ static int32_t worker_thread(void* ctx) {
JobType job;
while(furi_message_queue_get(app->jobs, &job, FuriWaitForever) == FuriStatusOk) {
if(job == JobQuit) break;
if(job == JobConnect)
app->connected_ok = bc_connect(app->bc, &app->dev, 8000) && sensor_setup(app);
else if(job == JobDisconnect) {
if(job == JobConnect) {
bool ok = bc_connect(app->bc, &app->dev, 8000) && sensor_setup(app);
if(app->cancel) { // user pressed Back while we were busy
if(bc_is_connected(app->bc)) bc_disconnect(app->bc);
bc_scan_start(app->bc);
ok = false;
}
app->connected_ok = ok;
} else if(job == JobDisconnect) {
bc_disconnect(app->bc);
bc_scan_start(app->bc);
}
@@ -288,9 +297,11 @@ static uint32_t scan_exit(void* ctx) {
UNUSED(ctx);
return VIEW_NONE;
}
static uint32_t stay_popup(void* ctx) {
static uint32_t connecting_back(void* ctx) {
UNUSED(ctx);
return ViewPopup;
s_app->cancel = true; // worker will drop the half-made connection
s_app->cur = ViewScan;
return ViewScan;
}
static void popup_cb(void* ctx) {
@@ -343,6 +354,7 @@ static bool custom_cb(void* ctx, uint32_t event) {
popup_set_context(app->popup, app);
popup_set_header(app->popup, "Connecting...", 64, 26, AlignCenter, AlignCenter);
popup_set_text(app->popup, dev_label(&app->dev), 64, 40, AlignCenter, AlignCenter);
app->cancel = false;
app->cur = ViewPopup;
view_dispatcher_switch_to_view(app->vd, ViewPopup);
furi_message_queue_put(app->jobs, &(JobType){JobConnect}, 0);
@@ -350,6 +362,10 @@ static bool custom_cb(void* ctx, uint32_t event) {
} break;
case EvtNotify: on_notify(app); break;
case EvtJobDone:
if(app->cancel) { // user already backed out to the scan list
app->cancel = false;
break;
}
if(app->connected_ok) {
with_view_model(
app->readings_view, ReadingsModel * m,
@@ -383,6 +399,7 @@ int32_t ble_sensor_app(void* p) {
UNUSED(p);
App* app = malloc(sizeof(App));
memset(app, 0, sizeof(App));
s_app = app;
app->gui = furi_record_open(RECORD_GUI);
app->jobs = furi_message_queue_alloc(8, sizeof(JobType));
app->notify_q = furi_message_queue_alloc(16, sizeof(NotifyMsg));
@@ -410,7 +427,7 @@ int32_t ble_sensor_app(void* p) {
view_dispatcher_add_view(app->vd, ViewReadings, app->readings_view);
app->popup = popup_alloc();
view_set_previous_callback(popup_get_view(app->popup), stay_popup);
view_set_previous_callback(popup_get_view(app->popup), connecting_back);
view_dispatcher_add_view(app->vd, ViewPopup, popup_get_view(app->popup));
app->timer = furi_timer_alloc(timer_cb, FuriTimerTypePeriodic, app);