unleashed-firmware/applications/bt/bt_service/bt.c
gornekich 7170864fe4
[FL-1976] BLE HID (#852)
* ble: prototype ble hid
* ble: add HID service and characteristics
* debug tools: add ble keyboard app
* ble: change appearance
* ble: working keyboard
* bt: introduce furi-hal-bt-hid
* bt: restart hid service on each keyboard app enter
* bt: introduce switch profile
* bt: add profile to ble glue
* bt: working profile switch
* bt: introduce bt serial profile, rework API
* bt: rewotk HID profile
* bt: rework gap with profile configuration
* bt: move change profile routine to furi hal bt
* bt: change switch profile API to blocking
* bt: move battery update to furi hal bt
* bt: cleanup
* bt: add support for f6 target
* bt: update documentation
* bt: clean up code
* bt: remove NO OUTPUT setting
* bt: set numeric comparison pairing in BLE HID
* bt: support f6 target
* bt: set mac address in profile configuration
* bt: set advertise name in profile config
* bt: rework with furi thread
* bt: support f6 target
* bt: clear hci command buffer on core2 restart
* bt: correct thread kill sequence
* bt: fix freertos functions calls
* bt: add some enterprise delays fo correct memory free
* bt: code cleanup
* bt: change terminate -> stop
* bt: fix memory leakage

Co-authored-by: あく <alleteam@gmail.com>
2021-12-08 14:28:01 +03:00

304 lines
12 KiB
C
Executable file

#include "bt_i.h"
#include "battery_service.h"
#include "bt_keys_storage.h"
#define TAG "BtSrv"
#define BT_RPC_EVENT_BUFF_SENT (1UL << 0)
#define BT_RPC_EVENT_DISCONNECTED (1UL << 1)
#define BT_RPC_EVENT_ALL (BT_RPC_EVENT_BUFF_SENT | BT_RPC_EVENT_DISCONNECTED)
static void bt_draw_statusbar_callback(Canvas* canvas, void* context) {
furi_assert(context);
Bt* bt = context;
if(bt->status == BtStatusAdvertising) {
canvas_draw_icon(canvas, 0, 0, &I_Bluetooth_5x8);
} else if(bt->status == BtStatusConnected) {
canvas_draw_icon(canvas, 0, 0, &I_BT_Pair_9x8);
}
}
static ViewPort* bt_statusbar_view_port_alloc(Bt* bt) {
ViewPort* statusbar_view_port = view_port_alloc();
view_port_set_width(statusbar_view_port, 5);
view_port_draw_callback_set(statusbar_view_port, bt_draw_statusbar_callback, bt);
view_port_enabled_set(statusbar_view_port, false);
return statusbar_view_port;
}
static void bt_pin_code_show_event_handler(Bt* bt, uint32_t pin) {
furi_assert(bt);
string_t pin_str;
dialog_message_set_icon(bt->dialog_message, &I_BLE_Pairing_128x64, 0, 0);
string_init_printf(pin_str, "Pairing code\n%06d", pin);
dialog_message_set_text(
bt->dialog_message, string_get_cstr(pin_str), 64, 4, AlignCenter, AlignTop);
dialog_message_set_buttons(bt->dialog_message, "Quit", NULL, NULL);
dialog_message_show(bt->dialogs, bt->dialog_message);
string_clear(pin_str);
}
static bool bt_pin_code_verify_event_handler(Bt* bt, uint32_t pin) {
furi_assert(bt);
string_t pin_str;
dialog_message_set_icon(bt->dialog_message, &I_BLE_Pairing_128x64, 0, 0);
string_init_printf(pin_str, "Verify code\n%06d", pin);
dialog_message_set_text(
bt->dialog_message, string_get_cstr(pin_str), 64, 4, AlignCenter, AlignTop);
dialog_message_set_buttons(bt->dialog_message, "Cancel", "Ok", NULL);
DialogMessageButton button = dialog_message_show(bt->dialogs, bt->dialog_message);
string_clear(pin_str);
return button == DialogMessageButtonCenter;
}
static void bt_battery_level_changed_callback(const void* _event, void* context) {
furi_assert(_event);
furi_assert(context);
Bt* bt = context;
const PowerEvent* event = _event;
if(event->type == PowerEventTypeBatteryLevelChanged) {
BtMessage message = {
.type = BtMessageTypeUpdateBatteryLevel,
.data.battery_level = event->data.battery_level};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
}
}
Bt* bt_alloc() {
Bt* bt = furi_alloc(sizeof(Bt));
// Init default maximum packet size
bt->max_packet_size = FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX;
bt->profile = BtProfileSerial;
// Load settings
if(!bt_settings_load(&bt->bt_settings)) {
bt_settings_save(&bt->bt_settings);
}
// Alloc queue
bt->message_queue = osMessageQueueNew(8, sizeof(BtMessage), NULL);
// Setup statusbar view port
bt->statusbar_view_port = bt_statusbar_view_port_alloc(bt);
// Gui
bt->gui = furi_record_open("gui");
gui_add_view_port(bt->gui, bt->statusbar_view_port, GuiLayerStatusBarLeft);
// Dialogs
bt->dialogs = furi_record_open("dialogs");
bt->dialog_message = dialog_message_alloc();
// Power
bt->power = furi_record_open("power");
FuriPubSub* power_pubsub = power_get_pubsub(bt->power);
furi_pubsub_subscribe(power_pubsub, bt_battery_level_changed_callback, bt);
// RPC
bt->rpc = furi_record_open("rpc");
bt->rpc_event = osEventFlagsNew(NULL);
// API evnent
bt->api_event = osEventFlagsNew(NULL);
return bt;
}
// Called from GAP thread from Serial service
static uint16_t bt_serial_event_callback(SerialServiceEvent event, void* context) {
furi_assert(context);
Bt* bt = context;
uint16_t ret = 0;
if(event.event == SerialServiceEventTypeDataReceived) {
size_t bytes_processed =
rpc_session_feed(bt->rpc_session, event.data.buffer, event.data.size, 1000);
if(bytes_processed != event.data.size) {
FURI_LOG_E(
TAG, "Only %d of %d bytes processed by RPC", bytes_processed, event.data.size);
}
ret = rpc_session_get_available_size(bt->rpc_session);
} else if(event.event == SerialServiceEventTypeDataSent) {
osEventFlagsSet(bt->rpc_event, BT_RPC_EVENT_BUFF_SENT);
}
return ret;
}
// Called from RPC thread
static void bt_rpc_send_bytes_callback(void* context, uint8_t* bytes, size_t bytes_len) {
furi_assert(context);
Bt* bt = context;
osEventFlagsClear(bt->rpc_event, BT_RPC_EVENT_ALL);
size_t bytes_sent = 0;
while(bytes_sent < bytes_len) {
size_t bytes_remain = bytes_len - bytes_sent;
if(bytes_remain > FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX) {
furi_hal_bt_serial_tx(&bytes[bytes_sent], FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX);
bytes_sent += FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX;
} else {
furi_hal_bt_serial_tx(&bytes[bytes_sent], bytes_remain);
bytes_sent += bytes_remain;
}
uint32_t event_flag =
osEventFlagsWait(bt->rpc_event, BT_RPC_EVENT_ALL, osFlagsWaitAny, osWaitForever);
if(event_flag & BT_RPC_EVENT_DISCONNECTED) {
break;
}
}
}
// Called from GAP thread
static bool bt_on_gap_event_callback(BleEvent event, void* context) {
furi_assert(context);
Bt* bt = context;
bool ret = false;
if(event.type == BleEventTypeConnected) {
// Update status bar
bt->status = BtStatusConnected;
BtMessage message = {.type = BtMessageTypeUpdateStatusbar};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
if(bt->profile == BtProfileSerial) {
// Open RPC session
FURI_LOG_I(TAG, "Open RPC connection");
bt->rpc_session = rpc_session_open(bt->rpc);
rpc_session_set_send_bytes_callback(bt->rpc_session, bt_rpc_send_bytes_callback);
rpc_session_set_buffer_is_empty_callback(
bt->rpc_session, furi_hal_bt_serial_notify_buffer_is_empty);
rpc_session_set_context(bt->rpc_session, bt);
furi_hal_bt_serial_set_event_callback(RPC_BUFFER_SIZE, bt_serial_event_callback, bt);
}
// Update battery level
PowerInfo info;
power_get_info(bt->power, &info);
message.type = BtMessageTypeUpdateBatteryLevel;
message.data.battery_level = info.charge;
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
ret = true;
} else if(event.type == BleEventTypeDisconnected) {
if(bt->profile == BtProfileSerial && bt->rpc_session) {
FURI_LOG_I(TAG, "Close RPC connection");
osEventFlagsSet(bt->rpc_event, BT_RPC_EVENT_DISCONNECTED);
rpc_session_close(bt->rpc_session);
furi_hal_bt_serial_set_event_callback(0, NULL, NULL);
bt->rpc_session = NULL;
}
ret = true;
} else if(event.type == BleEventTypeStartAdvertising) {
bt->status = BtStatusAdvertising;
BtMessage message = {.type = BtMessageTypeUpdateStatusbar};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
ret = true;
} else if(event.type == BleEventTypeStopAdvertising) {
bt->status = BtStatusOff;
BtMessage message = {.type = BtMessageTypeUpdateStatusbar};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
ret = true;
} else if(event.type == BleEventTypePinCodeShow) {
BtMessage message = {
.type = BtMessageTypePinCodeShow, .data.pin_code = event.data.pin_code};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
ret = true;
} else if(event.type == BleEventTypePinCodeVerify) {
ret = bt_pin_code_verify_event_handler(bt, event.data.pin_code);
} else if(event.type == BleEventTypeUpdateMTU) {
bt->max_packet_size = event.data.max_packet_size;
ret = true;
}
return ret;
}
static void bt_on_key_storage_change_callback(uint8_t* addr, uint16_t size, void* context) {
furi_assert(context);
Bt* bt = context;
FURI_LOG_I(TAG, "Changed addr start: %08lX, size changed: %d", addr, size);
BtMessage message = {.type = BtMessageTypeKeysStorageUpdated};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
}
static void bt_statusbar_update(Bt* bt) {
if(bt->status == BtStatusAdvertising) {
view_port_set_width(bt->statusbar_view_port, icon_get_width(&I_Bluetooth_5x8));
view_port_enabled_set(bt->statusbar_view_port, true);
} else if(bt->status == BtStatusConnected) {
view_port_set_width(bt->statusbar_view_port, icon_get_width(&I_BT_Pair_9x8));
view_port_enabled_set(bt->statusbar_view_port, true);
} else {
view_port_enabled_set(bt->statusbar_view_port, false);
}
}
static void bt_change_profile(Bt* bt, BtMessage* message) {
if(bt->profile == BtProfileSerial && bt->rpc_session) {
FURI_LOG_I(TAG, "Close RPC connection");
osEventFlagsSet(bt->rpc_event, BT_RPC_EVENT_DISCONNECTED);
rpc_session_close(bt->rpc_session);
furi_hal_bt_serial_set_event_callback(0, NULL, NULL);
bt->rpc_session = NULL;
}
FuriHalBtProfile furi_profile;
if(message->data.profile == BtProfileHidKeyboard) {
furi_profile = FuriHalBtProfileHidKeyboard;
} else {
furi_profile = FuriHalBtProfileSerial;
}
if(furi_hal_bt_change_app(furi_profile, bt_on_gap_event_callback, bt)) {
FURI_LOG_I(TAG, "Bt App started");
if(bt->bt_settings.enabled) {
furi_hal_bt_start_advertising();
}
furi_hal_bt_set_key_storage_change_callback(bt_on_key_storage_change_callback, bt);
bt->profile = message->data.profile;
*message->result = true;
} else {
FURI_LOG_E(TAG, "Failed to start Bt App");
*message->result = false;
}
osEventFlagsSet(bt->api_event, BT_API_UNLOCK_EVENT);
}
int32_t bt_srv() {
Bt* bt = bt_alloc();
furi_record_create("bt", bt);
// Read keys
if(!bt_load_key_storage(bt)) {
FURI_LOG_W(TAG, "Failed to load bonding keys");
}
// Start BLE stack
if(furi_hal_bt_start_app(FuriHalBtProfileSerial, bt_on_gap_event_callback, bt)) {
FURI_LOG_I(TAG, "BLE stack started");
if(bt->bt_settings.enabled) {
furi_hal_bt_start_advertising();
}
furi_hal_bt_set_key_storage_change_callback(bt_on_key_storage_change_callback, bt);
} else {
FURI_LOG_E(TAG, "BT App start failed");
}
// Update statusbar
bt_statusbar_update(bt);
BtMessage message;
while(1) {
furi_check(osMessageQueueGet(bt->message_queue, &message, NULL, osWaitForever) == osOK);
if(message.type == BtMessageTypeUpdateStatusbar) {
// Update statusbar
bt_statusbar_update(bt);
} else if(message.type == BtMessageTypeUpdateBatteryLevel) {
// Update battery level
furi_hal_bt_update_battery_level(message.data.battery_level);
} else if(message.type == BtMessageTypePinCodeShow) {
// Display PIN code
bt_pin_code_show_event_handler(bt, message.data.pin_code);
} else if(message.type == BtMessageTypeKeysStorageUpdated) {
bt_save_key_storage(bt);
} else if(message.type == BtMessageTypeSetProfile) {
bt_change_profile(bt, &message);
}
}
return 0;
}