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Created wifi-module (#663)

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- Moved WiFi logic from `TactilityKernel/` to `wifi-module`
- Created commandline app to control Wi-Fi
- Update `tactility.py` to v6.1.0 so it can be executed directly
This commit is contained in:
Ken Van Hoeylandt 2026-09-26 18:31:31 +02:00 committed by GitHub
parent 7c508bbaa0
commit 33898ddc4e
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45 changed files with 2059 additions and 1424 deletions
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3
Buildscripts/release-sdk-modules.txt
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@ -7,4 +7,5 @@ http-module
lvgl-module
lvgl-window-manager-module
service-module
graphics-module
graphics-module
wifi-module

1
CMakeLists.txt
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@ -149,6 +149,7 @@ if (NOT DEFINED ENV{ESP_IDF_VERSION})
add_subdirectory(Modules/posix-symbols-module)
add_subdirectory(Modules/pthread-module)
add_subdirectory(Modules/service-module)
add_subdirectory(Modules/wifi-module)
add_subdirectory(Modules/app-module)
add_subdirectory(Modules/coreutils-module)
add_subdirectory(Modules/app-posix-module)

2
Documentation/ideas.md
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@ -10,7 +10,6 @@
- coreutils apps: Only emit colour escapes when stdout is the terminal (command_support.h color() function)
- CrashDiagnostics shouldn't show a QR when there's no callstack
- Move USB host task stacks to SPIRAM when available: esp32_usbhost*.cpp
- Get rid of WiFi service (Wifi.cpp/h) in Tactility.cpp
- Add bold fonts for e-ink readability improvement
- Improve Setup: Add keyboard/keypad navigation explanation
- Drivers/audio-codec-module is not a module. Move it somewhere else. Or make it an actual module.
@ -23,6 +22,7 @@
## Medium Priority
- netutils-module: ping, wget, ifconfig, nslookup, etc.
- Core2: support power off via software
- Improve Setup: Show "Step done" screen
- Make it more clear to end-users that an SD card is required to run Tactility

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Modules/cpp-symbols-module/source/function_instantiations.cpp Normal file
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@ -0,0 +1,13 @@
// SPDX-License-Identifier: Apache-2.0
#include <functional>
#ifdef ESP_PLATFORM
// Out-of-line definitions for the std::function<long()> members that module.cpp exports.
// On ESP32, int32_t is long, so this is Thread::MainFunction. Nothing else is guaranteed to emit
// these, so they are explicitly instantiated here.
// Kept out of module.cpp: it declares these same symbols by their mangled names as extern "C".
template long std::function<long()>::operator()() const;
template std::function<long()>::function(const std::function<long()>&);
#endif

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Modules/wifi-module/CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.20)
include("${CMAKE_CURRENT_LIST_DIR}/../../Buildscripts/module.cmake")
file(GLOB_RECURSE SOURCE_FILES "source/*.c*")
tactility_add_module(wifi-module
SRCS ${SOURCE_FILES}
PRIV_INCLUDE_DIRS private/
INCLUDE_DIRS include/
REQUIRES TactilityKernel app-module service-module crypt-module
)

195
Modules/wifi-module/LICENSE-Apache-2.0.md Normal file
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@ -0,0 +1,195 @@
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Modules/wifi-module/README.md Normal file
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@ -0,0 +1,5 @@
# Wi-Fi Module
This module contains:
- Settings API and a commandline app to manage them.
- Service that manages auto-connect behaviour.

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Modules/wifi-module/include/wifi/module.h Normal file
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// SPDX-License-Identifier: Apache-2.0
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/** Registers and starts the Wi-Fi auto-connect service. */
extern struct Module wifi_module;
#ifdef __cplusplus
}
#endif

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Modules/wifi-module/include/wifi/wifi_autoconnect.h Normal file
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// SPDX-License-Identifier: Apache-2.0
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Pause auto-connect until the next connection attempt finishes or the radio is turned on.
* Call this before a user-initiated disconnect, so auto-connect doesn't immediately reconnect.
*/
void wifi_autoconnect_pause_until_connected(void);
#ifdef __cplusplus
}
#endif

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Modules/wifi-module/include/wifi/wifi_settings.h Normal file
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// SPDX-License-Identifier: Apache-2.0
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <tactility/error.h>
#ifdef __cplusplus
extern "C" {
#endif
/** 32 characters/octets, according to IEEE 802.11-2020 spec */
#define WIFI_SETTINGS_SSID_LIMIT 32
/** 64 characters/octets, according to IEEE 802.11-2020 spec */
#define WIFI_SETTINGS_PASSWORD_LIMIT 64
/** Default auto-connect setting for new access points */
#define WIFI_SETTINGS_AUTO_CONNECT_DEFAULT true
/** The persisted settings of an access point. */
struct WifiApSettings {
char ssid[WIFI_SETTINGS_SSID_LIMIT + 1];
char password[WIFI_SETTINGS_PASSWORD_LIMIT + 1];
bool auto_connect;
/** The Wi-Fi channel, or 0 for any */
int32_t channel;
};
/**
* @param[in] ssid the access point to look for
* @return true if settings exist for the provided SSID
*/
bool wifi_settings_contains(const char* ssid);
/**
* Load the settings for the provided SSID.
* @param[in] ssid the access point to look for
* @param[out] settings the loaded settings
* @retval ERROR_NOT_FOUND no settings exist for the SSID
* @retval ERROR_RESOURCE the settings could not be read or decrypted
* @retval ERROR_NONE on success
*/
error_t wifi_settings_load(const char* ssid, struct WifiApSettings* settings);
/**
* Save the settings of an access point. The password is stored encrypted.
* @param[in] settings the settings to save
* @retval ERROR_INVALID_ARGUMENT the SSID is empty
* @retval ERROR_RESOURCE the settings could not be written
* @retval ERROR_NONE on success
*/
error_t wifi_settings_save(const struct WifiApSettings* settings);
/**
* Remove settings that were saved previously.
* @param[in] ssid the access point to remove the settings for
* @retval ERROR_NOT_FOUND no settings exist for the SSID
* @retval ERROR_RESOURCE the settings could not be removed
* @retval ERROR_NONE on success
*/
error_t wifi_settings_remove(const char* ssid);
/**
* Iterate over the SSIDs of all saved access points.
* @param[in] context passed through to on_ssid, can be NULL
* @param[in] on_ssid called once per saved access point, return false to stop iterating
*/
void wifi_settings_for_each(void* context, bool (*on_ssid)(const char* ssid, void* context));
/**
* @param[in] enable whether to turn on the radio when booting
* @retval ERROR_RESOURCE the setting could not be written
* @retval ERROR_NONE on success
*/
error_t wifi_settings_set_enable_on_boot(bool enable);
/** @return true when the radio should be turned on when booting */
bool wifi_settings_get_enable_on_boot(void);
#ifdef __cplusplus
}
#endif

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Modules/wifi-module/private/wifi/private/wifi_service.h Normal file
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// SPDX-License-Identifier: Apache-2.0
#pragma once
#include <tactility/error.h>
#ifdef __cplusplus
extern "C" {
#endif
/** The service id, which also determines where the settings are stored */
#define WIFI_SERVICE_ID "tactility.wifi"
extern const struct ServiceManifest wifi_service_manifest;
/** The "wifi" command-line app */
extern const struct AppManifest wifi_command_manifest;
/** Imports the "*.ap.properties" files from the "provisioning" directory in the data path. */
void wifi_provisioning_import(void);
/**
* Create a directory and its missing parents.
* @retval ERROR_RESOURCE a directory could not be created
* @retval ERROR_NONE on success
*/
error_t wifi_ensure_directory_exists(const char* path);
#ifdef __cplusplus
}
#endif

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// SPDX-License-Identifier: Apache-2.0
#include <wifi/module.h>
#include <wifi/private/wifi_service.h>
#include <app/manager.h>
#include <app/manifest.h>
#include <service/manager.h>
#include <tactility/error.h>
#include <tactility/module.h>
extern "C" {
static error_t start() {
error_t error = app_manager_add(&wifi_command_manifest);
if (error != ERROR_NONE) {
return error;
}
error = service_manager_add(&wifi_service_manifest, /*auto_start=*/true);
if (error != ERROR_NONE) {
app_manager_remove(wifi_command_manifest.id);
}
return error;
}
static error_t stop() {
error_t error = service_manager_stop(wifi_service_manifest.id);
if (error != ERROR_NONE && error != ERROR_NOT_FOUND) {
return error;
}
error = service_manager_remove(wifi_service_manifest.id);
if (error != ERROR_NONE) {
return error;
}
return app_manager_remove(wifi_command_manifest.id);
}
Module wifi_module = {
.name = "wifi",
.start = start,
.stop = stop,
.drivers = nullptr,
.symbols = nullptr,
.internal = nullptr,
};
}

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Modules/wifi-module/source/wifi_autoconnect.cpp Normal file
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// SPDX-License-Identifier: Apache-2.0
#include <wifi/wifi_autoconnect.h>
#include <wifi/wifi_settings.h>
#include <wifi/private/wifi_service.h>
#include <service/manifest.h>
#include <tactility/concurrent/task_event_group.h>
#include <tactility/concurrent/thread.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <tactility/system_event.h>
#include <tactility/time.h>
#include <tactility/wifi_auto_scan.h>
#include <atomic>
#include <new>
constexpr auto* TAG = "wifi_autoconnect";
constexpr size_t SCAN_RECORD_LIMIT = 16;
constexpr size_t THREAD_STACK_SIZE = 5120;
constexpr TickType_t AUTO_SCAN_INTERVAL = pdMS_TO_TICKS(10000);
// Scan more often than AUTO_SCAN_INTERVAL in case of startup or scan lock failure
constexpr TickType_t AUTO_SCAN_POLL_INTERVAL = pdMS_TO_TICKS(2000);
// Set by wifi_autoconnect_pause_until_connected(), cleared by a connection result or the radio turning on.
// Distinct from external_scan_pause: the two must not clobber each other, otherwise a caller's explicit
// pause (e.g. AutoScanPauseGuard during a co-processor OTA) can be silently cleared by an unrelated
// connection attempt finishing.
static std::atomic<bool> pause_until_connected {false};
// Only set/cleared through wifi_auto_scan_set_paused()
static std::atomic<bool> external_scan_pause {false};
struct WifiAutoConnect {
Device* device = nullptr;
// All work (wifi events, periodic scans, boot) runs on this thread, so the ESP-IDF esp_event
// task never runs any of it.
Thread* thread = nullptr;
std::atomic<bool> running {false};
TaskEventGroup event_group {};
WifiEventSubscription wifi_event_sub {};
bool wifi_event_subscribed = false;
uint32_t stop_bit = 0;
uint32_t boot_completed_bit = 0;
bool boot_event_subscribed = false;
bool has_scanned = false;
TickType_t last_scan_time = 0;
};
static bool is_radio_on(WifiAutoConnect* data) {
WifiRadioState radio = WIFI_RADIO_STATE_OFF;
return wifi_get_radio_state(data->device, &radio) == ERROR_NONE && radio == WIFI_RADIO_STATE_ON;
}
static bool is_station_active(WifiAutoConnect* data) {
WifiStationState station = WIFI_STATION_STATE_DISCONNECTED;
return wifi_get_station_state(data->device, &station) == ERROR_NONE && station != WIFI_STATION_STATE_DISCONNECTED;
}
static bool is_paused() {
return pause_until_connected.load() || external_scan_pause.load();
}
static bool find_auto_connect_ap(WifiAutoConnect* data, WifiApSettings* out) {
WifiApRecord records[SCAN_RECORD_LIMIT];
size_t count = SCAN_RECORD_LIMIT;
if (wifi_get_scan_results(data->device, records, &count) != ERROR_NONE) {
return false;
}
for (size_t i = 0; i < count; i++) {
if (!wifi_settings_contains(records[i].ssid)) {
continue;
}
if (wifi_settings_load(records[i].ssid, out) != ERROR_NONE) {
LOG_E(TAG, "Failed to load credentials for ssid %s", records[i].ssid);
} else if (out->auto_connect) {
return true;
}
}
return false;
}
static void auto_connect(WifiAutoConnect* data) {
// This runs on every SCAN_FINISHED, not just this service's own scans (e.g. WifiManage re-scans
// on show), so it must honor the pauses. The radio-off check matters because a scan that was
// already in flight can finish after the user turns the radio off.
if (is_paused() || !is_radio_on(data)) {
return;
}
// Already connected or connecting (including a manual attempt by an app): reconnecting would
// override that attempt, or force a pointless disconnect/reconnect blip.
if (is_station_active(data)) {
return;
}
WifiApSettings target;
if (find_auto_connect_ap(data, &target)) {
LOG_I(TAG, "Auto-connecting to %s", target.ssid);
error_t result = wifi_station_connect(data->device, target.ssid, target.password, target.channel);
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to auto-connect (%s)", error_to_string(result));
}
}
}
static void scan_if_needed(WifiAutoConnect* data) {
if (is_paused() || !is_radio_on(data) || is_station_active(data) || wifi_is_scanning(data->device)) {
return;
}
TickType_t now = get_ticks();
if (data->has_scanned && (now - data->last_scan_time) < AUTO_SCAN_INTERVAL) {
return;
}
data->has_scanned = true;
data->last_scan_time = now;
error_t result = wifi_scan(data->device);
if (result != ERROR_NONE) {
LOG_I(TAG, "Can't start scan (%s)", error_to_string(result));
}
}
static void on_wifi_event(WifiAutoConnect* data, const WifiEvent& event) {
switch (event.type) {
case WIFI_EVENT_TYPE_RADIO_STATE_CHANGED:
if (event.radio_state == WIFI_RADIO_STATE_ON) {
// Resume auto-connect and scan right away
pause_until_connected = false;
data->has_scanned = false;
}
break;
case WIFI_EVENT_TYPE_SCAN_FINISHED:
auto_connect(data);
break;
case WIFI_EVENT_TYPE_STATION_STATE_CHANGED:
if (event.station_state == WIFI_STATION_STATE_DISCONNECTED) {
// Don't touch pause_until_connected here: a deliberate disconnect sets it and relies
// on it staying set until a new connection is established.
NetworkDisconnectedEvent disconnected_event = { .device = data->device };
system_event_emit(KERNEL_EVENT_NETWORK_DISCONNECTED, &disconnected_event, sizeof(disconnected_event));
}
break;
case WIFI_EVENT_TYPE_STATION_CONNECTION_RESULT:
// A finished attempt (manual or automatic) ends the pause, so a failed manual attempt
// lets auto-connect try other saved access points.
pause_until_connected = false;
break;
default:
break;
}
}
static void on_boot_completed(WifiAutoConnect* data) {
wifi_provisioning_import();
if (wifi_settings_get_enable_on_boot()) {
LOG_I(TAG, "Auto-enabling WiFi");
if (wifi_set_radio_on(data->device) != ERROR_NONE) {
LOG_E(TAG, "Failed to enable WiFi radio");
}
}
}
static int32_t thread_main(void* context) {
auto* data = static_cast<WifiAutoConnect*>(context);
while (data->running.load()) {
uint32_t flags = 0;
task_event_group_wait_any(&data->event_group, &flags, AUTO_SCAN_POLL_INTERVAL);
if (!data->running.load()) {
break;
}
if ((flags & data->boot_completed_bit) != 0) {
on_boot_completed(data);
}
WifiEvent event {};
while (wifi_event_poll(&data->wifi_event_sub, &event) == ERROR_NONE) {
on_wifi_event(data, event);
}
scan_if_needed(data);
}
return 0;
}
static void on_boot_completed_event(SystemEvent* /*event*/, void* context) {
auto* data = static_cast<WifiAutoConnect*>(context);
task_event_group_signal(&data->event_group, data->boot_completed_bit);
}
static void set_external_scan_paused(bool paused) {
LOG_I(TAG, "set_external_scan_paused(%d)", (int)paused);
external_scan_pause = paused;
}
static void* create_service(const ServiceManifest* /*manifest*/) {
return new (std::nothrow) WifiAutoConnect();
}
static void destroy_service(const ServiceManifest* /*manifest*/, void* data) {
delete static_cast<WifiAutoConnect*>(data);
}
static void release_resources(WifiAutoConnect* data) {
if (data->boot_event_subscribed) {
system_event_callback_remove(KERNEL_EVENT_BOOT_COMPLETED, on_boot_completed_event);
data->boot_event_subscribed = false;
}
if (data->wifi_event_subscribed) {
wifi_event_unsubscribe(data->device, &data->wifi_event_sub);
data->wifi_event_subscribed = false;
}
task_event_group_destruct(&data->event_group);
device_stop(data->device);
device_put(data->device);
data->device = nullptr;
}
static error_t on_start(ServiceInstance* /*instance*/, void* context) {
auto* data = static_cast<WifiAutoConnect*>(context);
wifi_auto_scan_set_paused_function(set_external_scan_paused);
Device* device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return ERROR_NONE;
}
if (device_start(device) != ERROR_NONE) {
LOG_E(TAG, "Failed to start WiFi device");
device_put(device);
return ERROR_NONE;
}
data->device = device;
task_event_group_construct(&data->event_group);
if (task_event_group_claim_bit(&data->event_group, &data->stop_bit) != ERROR_NONE ||
task_event_group_claim_bit(&data->event_group, &data->boot_completed_bit) != ERROR_NONE) {
release_resources(data);
return ERROR_RESOURCE;
}
if (wifi_event_subscribe(device, &data->wifi_event_sub, &data->event_group) == ERROR_NONE) {
data->wifi_event_subscribed = true;
} else {
LOG_E(TAG, "Failed to subscribe to WiFi events");
}
if (system_event_callback_add(KERNEL_EVENT_BOOT_COMPLETED, on_boot_completed_event, data) == ERROR_NONE) {
data->boot_event_subscribed = true;
}
data->running = true;
data->thread = thread_alloc_full("wifi-autoconnect", THREAD_STACK_SIZE, thread_main, data, -1);
if (data->thread == nullptr || thread_start(data->thread) != ERROR_NONE) {
data->running = false;
if (data->thread != nullptr) {
thread_free(data->thread);
data->thread = nullptr;
}
release_resources(data);
return ERROR_RESOURCE;
}
return ERROR_NONE;
}
static void on_stop(ServiceInstance* /*instance*/, void* context) {
auto* data = static_cast<WifiAutoConnect*>(context);
if (data->device != nullptr) {
data->running = false;
task_event_group_signal(&data->event_group, data->stop_bit);
thread_join(data->thread, portMAX_DELAY, pdMS_TO_TICKS(10));
thread_free(data->thread);
data->thread = nullptr;
if (is_radio_on(data)) {
wifi_set_radio_off(data->device);
}
release_resources(data);
}
pause_until_connected = false;
wifi_auto_scan_set_paused_function(nullptr);
}
extern "C" {
void wifi_autoconnect_pause_until_connected(void) {
LOG_I(TAG, "wifi_autoconnect_pause_until_connected()");
pause_until_connected = true;
}
const ServiceManifest wifi_service_manifest = {
.id = WIFI_SERVICE_ID,
.create_service = create_service,
.destroy_service = destroy_service,
.on_start = on_start,
.on_stop = on_stop,
};
}

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// SPDX-License-Identifier: Apache-2.0
#include <wifi/wifi_autoconnect.h>
#include <wifi/wifi_settings.h>
#include <wifi/private/wifi_service.h>
#include <app/manifest.h>
#include <tactility/concurrent/task_event_group.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/time.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
constexpr size_t SCAN_RECORD_LIMIT = 32;
constexpr TickType_t SCAN_TIMEOUT = pdMS_TO_TICKS(15000);
constexpr TickType_t CONNECT_TIMEOUT = pdMS_TO_TICKS(20000);
constexpr TickType_t DISCONNECT_TIMEOUT = pdMS_TO_TICKS(5000);
static void print_usage() {
printf(
"usage: wifi <command>\n"
" status\n"
" radio on|off\n"
" scan\n"
" connect -s <ssid> [-p <password>] [-c <channel>] [--no-save]\n"
" disconnect\n"
" forget -s <ssid>\n"
" saved\n"
);
}
static int report_error(const char* action, error_t error) {
printf("wifi: %s failed: %s\n", action, error_to_string(error));
return 1;
}
static const char* radio_state_to_string(WifiRadioState state) {
switch (state) {
case WIFI_RADIO_STATE_OFF: return "off";
case WIFI_RADIO_STATE_ON_PENDING: return "turning on";
case WIFI_RADIO_STATE_ON: return "on";
case WIFI_RADIO_STATE_OFF_PENDING: return "turning off";
}
return "unknown";
}
static const char* station_state_to_string(WifiStationState state) {
switch (state) {
case WIFI_STATION_STATE_DISCONNECTED: return "disconnected";
case WIFI_STATION_STATE_CONNECTION_PENDING: return "connecting";
case WIFI_STATION_STATE_CONNECTED: return "connected";
}
return "unknown";
}
static const char* connection_error_to_string(WifiStationConnectionError error) {
switch (error) {
case WIFI_STATION_CONNECTION_ERROR_NONE: return "none";
case WIFI_STATION_CONNECTION_ERROR_WRONG_CREDENTIALS: return "wrong credentials";
case WIFI_STATION_CONNECTION_ERROR_TIMEOUT: return "timeout";
case WIFI_STATION_CONNECTION_ERROR_TARGET_NOT_FOUND: return "access point not found";
}
return "unknown";
}
/**
* Subscribes to the device's events, runs the action and waits for an event that matches.
* The action runs after subscribing, so an event it causes can't be missed.
* @retval ERROR_TIMEOUT no matching event arrived in time
*/
static error_t run_and_wait(
Device* device,
error_t (*action)(Device* device, void* context),
void* context,
bool (*matches)(const WifiEvent& event),
TickType_t timeout,
WifiEvent* out_event
) {
TaskEventGroup event_group {};
task_event_group_construct(&event_group);
WifiEventSubscription subscription {};
error_t error = wifi_event_subscribe(device, &subscription, &event_group);
if (error != ERROR_NONE) {
task_event_group_destruct(&event_group);
return error;
}
error = action(device, context);
if (error == ERROR_NONE) {
error = ERROR_TIMEOUT;
TickType_t start = get_ticks();
TickType_t elapsed = 0;
while (error == ERROR_TIMEOUT && elapsed < timeout) {
task_event_group_wait_any(&event_group, nullptr, timeout - elapsed);
WifiEvent event {};
while (wifi_event_poll(&subscription, &event) == ERROR_NONE) {
if (matches(event)) {
*out_event = event;
error = ERROR_NONE;
break;
}
}
elapsed = get_ticks() - start;
}
}
wifi_event_unsubscribe(device, &subscription);
task_event_group_destruct(&event_group);
return error;
}
static int command_status(Device* device) {
WifiRadioState radio_state = WIFI_RADIO_STATE_OFF;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
wifi_get_radio_state(device, &radio_state);
wifi_get_station_state(device, &station_state);
printf("radio: %s\n", radio_state_to_string(radio_state));
if (radio_state != WIFI_RADIO_STATE_ON) {
return 0;
}
printf("station: %s\n", station_state_to_string(station_state));
if (station_state == WIFI_STATION_STATE_DISCONNECTED) {
return 0;
}
char ssid[33] = {};
if (wifi_station_get_target_ssid(device, ssid) == ERROR_NONE) {
printf("ssid: %s\n", ssid);
}
if (station_state == WIFI_STATION_STATE_CONNECTED) {
char ip[16] = {};
if (wifi_station_get_ipv4_address(device, ip) == ERROR_NONE) {
printf("ip: %s\n", ip);
}
int32_t rssi = 0;
if (wifi_station_get_rssi(device, &rssi) == ERROR_NONE) {
printf("rssi: %ld dBm\n", static_cast<long>(rssi));
}
}
return 0;
}
static int command_radio(Device* device, int argc, char* argv[]) {
if (argc != 3 || (strcmp(argv[2], "on") != 0 && strcmp(argv[2], "off") != 0)) {
printf("usage: wifi radio on|off\n");
return 1;
}
bool on = strcmp(argv[2], "on") == 0;
error_t error = on ? wifi_set_radio_on(device) : wifi_set_radio_off(device);
if (error != ERROR_NONE) {
return report_error(on ? "radio on" : "radio off", error);
}
printf("radio: %s\n", on ? "on" : "off");
return 0;
}
static void print_scan_record(const WifiApRecord& record) {
const char* auth = record.authentication_type == WIFI_AUTHENTICATION_TYPE_OPEN ? "open" : "secured";
const char* saved = wifi_settings_contains(record.ssid) ? "*" : "";
printf("%-32s %4d dBm ch %2ld %-7s %s\n", record.ssid, record.rssi, static_cast<long>(record.channel), auth, saved);
}
static int command_scan(Device* device) {
error_t error = wifi_set_radio_on(device);
if (error != ERROR_NONE) {
return report_error("radio on", error);
}
WifiEvent event {};
error = run_and_wait(
device,
[](Device* device, void*) {
// A scan that is already running also ends with SCAN_FINISHED
return wifi_is_scanning(device) ? ERROR_NONE : wifi_scan(device);
},
nullptr,
[](const WifiEvent& event) { return event.type == WIFI_EVENT_TYPE_SCAN_FINISHED; },
SCAN_TIMEOUT,
&event
);
if (error != ERROR_NONE) {
return report_error("scan", error);
}
WifiApRecord records[SCAN_RECORD_LIMIT];
size_t count = SCAN_RECORD_LIMIT;
error = wifi_get_scan_results(device, records, &count);
if (error != ERROR_NONE) {
return report_error("scan", error);
}
if (count == 0) {
printf("No access points found\n");
return 0;
}
for (size_t i = 0; i < count; i++) {
print_scan_record(records[i]);
}
printf("(* = saved)\n");
return 0;
}
static error_t disconnect_and_wait(Device* device) {
WifiEvent event {};
return run_and_wait(
device,
[](Device* device, void*) { return wifi_station_disconnect(device); },
nullptr,
[](const WifiEvent& event) {
return event.type == WIFI_EVENT_TYPE_STATION_STATE_CHANGED && event.station_state == WIFI_STATION_STATE_DISCONNECTED;
},
DISCONNECT_TIMEOUT,
&event
);
}
static int command_connect(Device* device, int argc, char* argv[]) {
const char* ssid = nullptr;
const char* password = nullptr;
const char* channel = nullptr;
bool save = true;
for (int i = 2; i < argc; i++) {
if (strcmp(argv[i], "-s") == 0 && i + 1 < argc) {
ssid = argv[++i];
} else if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) {
password = argv[++i];
} else if (strcmp(argv[i], "-c") == 0 && i + 1 < argc) {
channel = argv[++i];
} else if (strcmp(argv[i], "--no-save") == 0) {
save = false;
} else {
ssid = nullptr;
break;
}
}
if (ssid == nullptr) {
printf("usage: wifi connect -s <ssid> [-p <password>] [-c <channel>] [--no-save]\n");
return 1;
}
if (strlen(ssid) == 0 || strlen(ssid) > WIFI_SETTINGS_SSID_LIMIT) {
printf("wifi: SSID must be 1 to %d characters\n", WIFI_SETTINGS_SSID_LIMIT);
return 1;
}
if (password != nullptr && strlen(password) > WIFI_SETTINGS_PASSWORD_LIMIT) {
printf("wifi: password must be at most %d characters\n", WIFI_SETTINGS_PASSWORD_LIMIT);
return 1;
}
WifiApSettings settings {};
bool from_saved_settings = password == nullptr && wifi_settings_load(ssid, &settings) == ERROR_NONE;
if (!from_saved_settings) {
strcpy(settings.ssid, ssid);
strcpy(settings.password, password != nullptr ? password : "");
settings.auto_connect = WIFI_SETTINGS_AUTO_CONNECT_DEFAULT;
settings.channel = 0;
}
if (channel != nullptr) {
settings.channel = static_cast<int32_t>(strtol(channel, nullptr, 10));
}
error_t error = wifi_set_radio_on(device);
if (error != ERROR_NONE) {
return report_error("radio on", error);
}
// Keeps auto-connect out of the way until this attempt finishes
wifi_autoconnect_pause_until_connected();
// Disconnecting first keeps the old connection's disconnect from being reported as the result of this attempt
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
wifi_get_station_state(device, &station_state);
if (station_state != WIFI_STATION_STATE_DISCONNECTED) {
error = disconnect_and_wait(device);
if (error != ERROR_NONE) {
return report_error("disconnect", error);
}
}
printf("Connecting to %s...\n", settings.ssid);
WifiEvent event {};
error = run_and_wait(
device,
[](Device* device, void* context) {
auto* settings = static_cast<const WifiApSettings*>(context);
return wifi_station_connect(device, settings->ssid, settings->password, settings->channel);
},
&settings,
[](const WifiEvent& event) { return event.type == WIFI_EVENT_TYPE_STATION_CONNECTION_RESULT; },
CONNECT_TIMEOUT,
&event
);
if (error != ERROR_NONE) {
return report_error("connect", error);
}
if (event.connection_error != WIFI_STATION_CONNECTION_ERROR_NONE) {
printf("wifi: connect failed: %s\n", connection_error_to_string(event.connection_error));
return 1;
}
printf("Connected to %s\n", settings.ssid);
if (save && !from_saved_settings) {
error = wifi_settings_save(&settings);
if (error != ERROR_NONE) {
return report_error("saving credentials", error);
}
printf("Credentials saved\n");
}
return 0;
}
static int command_disconnect(Device* device) {
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
wifi_get_station_state(device, &station_state);
if (station_state == WIFI_STATION_STATE_DISCONNECTED) {
printf("Not connected\n");
return 0;
}
// Keeps auto-connect from immediately reconnecting
wifi_autoconnect_pause_until_connected();
error_t error = disconnect_and_wait(device);
if (error != ERROR_NONE) {
return report_error("disconnect", error);
}
printf("Disconnected\n");
return 0;
}
static int command_forget(int argc, char* argv[]) {
if (argc != 4 || strcmp(argv[2], "-s") != 0) {
printf("usage: wifi forget -s <ssid>\n");
return 1;
}
error_t error = wifi_settings_remove(argv[3]);
if (error == ERROR_NOT_FOUND) {
printf("wifi: %s is not saved\n", argv[3]);
return 1;
} else if (error != ERROR_NONE) {
return report_error("forget", error);
}
printf("Removed %s\n", argv[3]);
return 0;
}
static int command_saved() {
size_t count = 0;
wifi_settings_for_each(&count, [](const char* ssid, void* context) {
printf("%s\n", ssid);
(*static_cast<size_t*>(context))++;
return true;
});
if (count == 0) {
printf("No saved access points\n");
}
return 0;
}
static int run_device_command(const char* command, int argc, char* argv[]) {
Device* device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &device) != ERROR_NONE) {
printf("wifi: No WiFi device found\n");
return 1;
}
int result;
if (strcmp(command, "status") == 0) {
result = command_status(device);
} else if (strcmp(command, "radio") == 0) {
result = command_radio(device, argc, argv);
} else if (strcmp(command, "scan") == 0) {
result = command_scan(device);
} else if (strcmp(command, "connect") == 0) {
result = command_connect(device, argc, argv);
} else {
result = command_disconnect(device);
}
device_put(device);
return result;
}
static int32_t wifi_command_main(int argc, char* argv[]) {
if (argc < 2 || strcmp(argv[1], "help") == 0) {
print_usage();
return 0;
}
const char* command = argv[1];
if (strcmp(command, "forget") == 0) {
return command_forget(argc, argv);
} else if (strcmp(command, "saved") == 0) {
return command_saved();
} else if (
strcmp(command, "status") == 0 ||
strcmp(command, "radio") == 0 ||
strcmp(command, "scan") == 0 ||
strcmp(command, "connect") == 0 ||
strcmp(command, "disconnect") == 0
) {
return run_device_command(command, argc, argv);
}
printf("wifi: unknown command: %s\n", command);
print_usage();
return 1;
}
extern "C" {
const AppManifest wifi_command_manifest = {
.id = "wifi",
.name = "wifi",
.category = APP_CATEGORY_SYSTEM,
.location = { .type = APP_LOCATION_MEMORY, .location = reinterpret_cast<void*>(wifi_command_main) },
.flags = APP_MANIFEST_FLAG_HIDDEN | APP_MANIFEST_FLAG_HEADLESS,
.stack = { .depth = 5120, .desired_memory_capability = 0 },
};
}

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// SPDX-License-Identifier: Apache-2.0
#include <wifi/wifi_settings.h>
#include <wifi/private/wifi_service.h>
#include <tactility/log.h>
#include <tactility/paths.h>
#include <tactility/properties_file.h>
#include <dirent.h>
#include <sys/stat.h>
#include <cstdio>
#include <cstdlib>
#include <cstring>
constexpr auto* TAG = "wifi_provisioning";
constexpr auto* AP_FILE_SUFFIX = ".ap.properties";
constexpr auto* AP_PROPERTIES_KEY_SSID = "ssid";
constexpr auto* AP_PROPERTIES_KEY_PASSWORD = "password";
constexpr auto* AP_PROPERTIES_KEY_AUTO_CONNECT = "autoConnect";
constexpr auto* AP_PROPERTIES_KEY_CHANNEL = "channel";
constexpr auto* AP_PROPERTIES_KEY_AUTO_REMOVE = "autoRemovePropertiesFile";
static bool ends_with(const char* text, const char* suffix) {
size_t text_length = strlen(text);
size_t suffix_length = strlen(suffix);
return text_length >= suffix_length && strcmp(text + text_length - suffix_length, suffix) == 0;
}
static void import_ap(const char* path) {
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
LOG_E(TAG, "Failed to load AP properties at %s", path);
return;
}
WifiApSettings settings = {
.ssid = {},
.password = {},
.auto_connect = true,
.channel = 0
};
char value[16];
bool auto_remove = false;
bool valid = properties_file_get(file, AP_PROPERTIES_KEY_SSID, settings.ssid, sizeof(settings.ssid)) == ERROR_NONE;
if (valid) {
// A missing password means an open network
if (properties_file_get(file, AP_PROPERTIES_KEY_PASSWORD, settings.password, sizeof(settings.password)) == ERROR_BUFFER_OVERFLOW) {
valid = false;
}
if (properties_file_get(file, AP_PROPERTIES_KEY_AUTO_CONNECT, value, sizeof(value)) == ERROR_NONE) {
settings.auto_connect = strcmp(value, "true") == 0;
}
if (properties_file_get(file, AP_PROPERTIES_KEY_CHANNEL, value, sizeof(value)) == ERROR_NONE) {
settings.channel = static_cast<int32_t>(strtol(value, nullptr, 10));
}
if (properties_file_get(file, AP_PROPERTIES_KEY_AUTO_REMOVE, value, sizeof(value)) == ERROR_NONE) {
auto_remove = strcmp(value, "true") == 0;
}
}
properties_file_close(file);
if (!valid) {
LOG_E(TAG, "%s is missing a valid ssid or has an invalid password", path);
return;
}
if (!wifi_settings_contains(settings.ssid)) {
if (wifi_settings_save(&settings) != ERROR_NONE) {
LOG_E(TAG, "Failed to save settings for %s", settings.ssid);
} else {
LOG_I(TAG, "Imported %s from %s", settings.ssid, path);
}
}
if (auto_remove) {
if (remove(path) != 0) {
LOG_E(TAG, "Failed to auto-remove %s", path);
} else {
LOG_I(TAG, "Auto-removed %s", path);
}
}
}
extern "C" {
void wifi_provisioning_import(void) {
char data_path[FILE_MAX_PATH_STRING_LENGTH];
if (paths_get_data_path(data_path, sizeof(data_path)) != ERROR_NONE) {
LOG_I(TAG, "Skip provisioning: no data path");
return;
}
char provisioning_path[FILE_MAX_PATH_STRING_LENGTH];
int written = snprintf(provisioning_path, sizeof(provisioning_path), "%s/provisioning", data_path);
if (written < 0 || static_cast<size_t>(written) >= sizeof(provisioning_path)) {
return;
}
DIR* dir = opendir(provisioning_path);
if (dir == nullptr) {
LOG_I(TAG, "Skip provisioning: no files at %s", provisioning_path);
return;
}
bool found = false;
dirent* entry;
while ((entry = readdir(dir)) != nullptr) {
if (!ends_with(entry->d_name, AP_FILE_SUFFIX)) {
continue;
}
char file_path[FILE_MAX_PATH_STRING_LENGTH];
written = snprintf(file_path, sizeof(file_path), "%s/%s", provisioning_path, entry->d_name);
if (written < 0 || static_cast<size_t>(written) >= sizeof(file_path)) {
continue;
}
struct stat file_stat {};
if (stat(file_path, &file_stat) == 0 && S_ISREG(file_stat.st_mode)) {
found = true;
import_ap(file_path);
}
}
closedir(dir);
if (!found) {
LOG_W(TAG, "No AP files found at %s", provisioning_path);
}
}
}

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// SPDX-License-Identifier: Apache-2.0
#include <wifi/wifi_settings.h>
#include <wifi/private/wifi_service.h>
#include <crypt/crypt.h>
#include <service/paths.h>
#include <tactility/log.h>
#include <tactility/paths.h>
#include <tactility/properties_file.h>
#include <dirent.h>
#include <sys/stat.h>
#include <cerrno>
#include <cstdio>
#include <cstdlib>
#include <cstring>
constexpr auto* TAG = "wifi_settings";
constexpr auto* AP_FILE_SUFFIX = ".ap.properties";
constexpr auto* AP_PROPERTIES_KEY_SSID = "ssid";
constexpr auto* AP_PROPERTIES_KEY_PASSWORD = "password";
constexpr auto* AP_PROPERTIES_KEY_AUTO_CONNECT = "autoConnect";
constexpr auto* AP_PROPERTIES_KEY_CHANNEL = "channel";
constexpr auto* SETTINGS_FILE_NAME = "settings.properties";
constexpr auto* SETTINGS_KEY_ENABLE_ON_BOOT = "enableOnBoot";
constexpr size_t CRYPT_BLOCK_SIZE = 16;
// The password is padded to a multiple of the block size before encryption
constexpr size_t ENCRYPTED_PASSWORD_LIMIT = ((WIFI_SETTINGS_PASSWORD_LIMIT + CRYPT_BLOCK_SIZE - 1) / CRYPT_BLOCK_SIZE) * CRYPT_BLOCK_SIZE;
constexpr size_t ENCRYPTED_PASSWORD_HEX_LIMIT = ENCRYPTED_PASSWORD_LIMIT * 2;
static bool enable_on_boot_cached = false;
static bool enable_on_boot = false;
static bool is_file(const char* path) {
struct stat path_stat {};
return stat(path, &path_stat) == 0 && S_ISREG(path_stat.st_mode);
}
error_t wifi_ensure_directory_exists(const char* path) {
char buffer[FILE_MAX_PATH_STRING_LENGTH];
if (strlen(path) >= sizeof(buffer)) {
return ERROR_BUFFER_OVERFLOW;
}
strcpy(buffer, path);
for (char* p = buffer + 1; *p != '\0'; p++) {
if (*p == '/') {
*p = '\0';
if (mkdir(buffer, 0755) != 0 && errno != EEXIST) {
return ERROR_RESOURCE;
}
*p = '/';
}
}
if (mkdir(buffer, 0755) != 0 && errno != EEXIST) {
return ERROR_RESOURCE;
}
return ERROR_NONE;
}
// TODO: The SSID could contain invalid filename characters (e.g. "/", "\" and more)
static error_t get_ap_file_path(const char* ssid, char* out_path, size_t out_path_size) {
char directory[FILE_MAX_PATH_STRING_LENGTH];
error_t error = service_paths_get_user_data_directory(WIFI_SERVICE_ID, directory, sizeof(directory));
if (error != ERROR_NONE) {
return error;
}
int written = snprintf(out_path, out_path_size, "%s/%s%s", directory, ssid, AP_FILE_SUFFIX);
if (written < 0 || static_cast<size_t>(written) >= out_path_size) {
return ERROR_BUFFER_OVERFLOW;
}
return ERROR_NONE;
}
// The IV is derived from the SSID rather than the password/ciphertext, because the SSID is the one
// value that's known and identical at both encrypt time (save) and decrypt time (load).
static bool encrypt_password(const char* ssid, const char* password, char out_hex[ENCRYPTED_PASSWORD_HEX_LIMIT + 1]) {
const size_t length = strlen(password);
const size_t encrypted_length = ((length + CRYPT_BLOCK_SIZE - 1) / CRYPT_BLOCK_SIZE) * CRYPT_BLOCK_SIZE;
uint8_t padded_password[ENCRYPTED_PASSWORD_LIMIT] = {};
memcpy(padded_password, password, length);
uint8_t encrypted[ENCRYPTED_PASSWORD_LIMIT];
uint8_t iv[16];
crypt_get_iv(ssid, strlen(ssid), iv);
if (crypt_encrypt(iv, padded_password, encrypted, encrypted_length) != 0) {
LOG_E(TAG, "Failed to encrypt");
return false;
}
for (size_t i = 0; i < encrypted_length; i++) {
snprintf(&out_hex[i * 2], 3, "%02x", encrypted[i]);
}
out_hex[encrypted_length * 2] = '\0';
return true;
}
static bool decrypt_password(const char* ssid, const char* hex, char out_password[WIFI_SETTINGS_PASSWORD_LIMIT + 1]) {
const size_t hex_length = strlen(hex);
if (hex_length % 2 != 0 || hex_length > ENCRYPTED_PASSWORD_HEX_LIMIT) {
LOG_E(TAG, "Invalid encrypted password length");
return false;
}
const size_t encrypted_length = hex_length / 2;
uint8_t encrypted[ENCRYPTED_PASSWORD_LIMIT];
char byte_hex[3] = {};
for (size_t i = 0; i < encrypted_length; i++) {
byte_hex[0] = hex[i * 2];
byte_hex[1] = hex[i * 2 + 1];
encrypted[i] = static_cast<uint8_t>(strtoul(byte_hex, nullptr, 16));
}
uint8_t iv[16];
crypt_get_iv(ssid, strlen(ssid), iv);
// Space for the null terminator
uint8_t decrypted[ENCRYPTED_PASSWORD_LIMIT + 1] = {};
int result = crypt_decrypt(iv, encrypted, decrypted, encrypted_length);
if (result != 0) {
LOG_E(TAG, "Failed to decrypt credentials for \"%s\": %d", ssid, result);
return false;
}
strncpy(out_password, reinterpret_cast<char*>(decrypted), WIFI_SETTINGS_PASSWORD_LIMIT);
out_password[WIFI_SETTINGS_PASSWORD_LIMIT] = '\0';
return true;
}
extern "C" {
bool wifi_settings_contains(const char* ssid) {
char path[FILE_MAX_PATH_STRING_LENGTH];
return get_ap_file_path(ssid, path, sizeof(path)) == ERROR_NONE && is_file(path);
}
error_t wifi_settings_load(const char* ssid, WifiApSettings* settings) {
char path[FILE_MAX_PATH_STRING_LENGTH];
error_t error = get_ap_file_path(ssid, path, sizeof(path));
if (error != ERROR_NONE) {
return error;
}
if (!is_file(path)) {
return ERROR_NOT_FOUND;
}
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
LOG_E(TAG, "Failed to load properties from %s", path);
return ERROR_RESOURCE;
}
WifiApSettings loaded = {
.ssid = {},
.password = {},
.auto_connect = true,
.channel = 0
};
char value[ENCRYPTED_PASSWORD_HEX_LIMIT + 1];
error = ERROR_NONE;
if (properties_file_get(file, AP_PROPERTIES_KEY_SSID, loaded.ssid, sizeof(loaded.ssid)) != ERROR_NONE) {
LOG_E(TAG, "File does not contain a valid SSID: %s", path);
error = ERROR_RESOURCE;
} else if (properties_file_get(file, AP_PROPERTIES_KEY_PASSWORD, value, sizeof(value)) == ERROR_NONE &&
value[0] != '\0' &&
!decrypt_password(ssid, value, loaded.password)) {
LOG_E(TAG, "Failed to decrypt password from %s", path);
error = ERROR_RESOURCE;
} else {
if (properties_file_get(file, AP_PROPERTIES_KEY_AUTO_CONNECT, value, sizeof(value)) == ERROR_NONE) {
loaded.auto_connect = strcmp(value, "true") == 0;
}
if (properties_file_get(file, AP_PROPERTIES_KEY_CHANNEL, value, sizeof(value)) == ERROR_NONE) {
loaded.channel = static_cast<int32_t>(strtol(value, nullptr, 10));
}
}
properties_file_close(file);
if (error == ERROR_NONE) {
*settings = loaded;
}
return error;
}
error_t wifi_settings_save(const WifiApSettings* settings) {
if (settings->ssid[0] == '\0') {
return ERROR_INVALID_ARGUMENT;
}
char directory[FILE_MAX_PATH_STRING_LENGTH];
char path[FILE_MAX_PATH_STRING_LENGTH];
if (service_paths_get_user_data_directory(WIFI_SERVICE_ID, directory, sizeof(directory)) != ERROR_NONE ||
get_ap_file_path(settings->ssid, path, sizeof(path)) != ERROR_NONE) {
return ERROR_RESOURCE;
}
if (wifi_ensure_directory_exists(directory) != ERROR_NONE) {
LOG_E(TAG, "Failed to create %s", directory);
return ERROR_RESOURCE;
}
char password_encrypted[ENCRYPTED_PASSWORD_HEX_LIMIT + 1] = {};
if (settings->password[0] != '\0' && !encrypt_password(settings->ssid, settings->password, password_encrypted)) {
return ERROR_RESOURCE;
}
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
LOG_E(TAG, "Failed to open %s", path);
return ERROR_RESOURCE;
}
char channel[12];
snprintf(channel, sizeof(channel), "%ld", static_cast<long>(settings->channel));
properties_file_set(file, AP_PROPERTIES_KEY_SSID, settings->ssid);
properties_file_set(file, AP_PROPERTIES_KEY_PASSWORD, password_encrypted);
properties_file_set(file, AP_PROPERTIES_KEY_AUTO_CONNECT, settings->auto_connect ? "true" : "false");
properties_file_set(file, AP_PROPERTIES_KEY_CHANNEL, channel);
return properties_file_close(file);
}
error_t wifi_settings_remove(const char* ssid) {
char path[FILE_MAX_PATH_STRING_LENGTH];
error_t error = get_ap_file_path(ssid, path, sizeof(path));
if (error != ERROR_NONE) {
return error;
}
if (!is_file(path)) {
return ERROR_NOT_FOUND;
}
return remove(path) == 0 ? ERROR_NONE : ERROR_RESOURCE;
}
void wifi_settings_for_each(void* context, bool (*on_ssid)(const char* ssid, void* context)) {
char directory[FILE_MAX_PATH_STRING_LENGTH];
if (service_paths_get_user_data_directory(WIFI_SERVICE_ID, directory, sizeof(directory)) != ERROR_NONE) {
return;
}
DIR* dir = opendir(directory);
if (dir == nullptr) {
return; // No settings saved yet
}
const size_t suffix_length = strlen(AP_FILE_SUFFIX);
dirent* entry;
while ((entry = readdir(dir)) != nullptr) {
size_t name_length = strlen(entry->d_name);
if (name_length <= suffix_length || strcmp(entry->d_name + name_length - suffix_length, AP_FILE_SUFFIX) != 0) {
continue;
}
char path[FILE_MAX_PATH_STRING_LENGTH];
int written = snprintf(path, sizeof(path), "%s/%s", directory, entry->d_name);
if (written < 0 || static_cast<size_t>(written) >= sizeof(path) || !is_file(path)) {
continue;
}
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
continue;
}
char ssid[WIFI_SETTINGS_SSID_LIMIT + 1];
bool has_ssid = properties_file_get(file, AP_PROPERTIES_KEY_SSID, ssid, sizeof(ssid)) == ERROR_NONE;
properties_file_close(file);
if (has_ssid && !on_ssid(ssid, context)) {
break;
}
}
closedir(dir);
}
error_t wifi_settings_set_enable_on_boot(bool enable) {
enable_on_boot = enable;
enable_on_boot_cached = true;
char directory[FILE_MAX_PATH_STRING_LENGTH];
char path[FILE_MAX_PATH_STRING_LENGTH];
if (service_paths_get_user_data_directory(WIFI_SERVICE_ID, directory, sizeof(directory)) != ERROR_NONE ||
service_paths_get_user_data_path(WIFI_SERVICE_ID, SETTINGS_FILE_NAME, path, sizeof(path)) != ERROR_NONE) {
return ERROR_RESOURCE;
}
if (wifi_ensure_directory_exists(directory) != ERROR_NONE) {
LOG_E(TAG, "Failed to create %s", directory);
return ERROR_RESOURCE;
}
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
LOG_E(TAG, "Failed to open %s", path);
return ERROR_RESOURCE;
}
properties_file_set(file, SETTINGS_KEY_ENABLE_ON_BOOT, enable ? "true" : "false");
return properties_file_close(file);
}
bool wifi_settings_get_enable_on_boot(void) {
if (enable_on_boot_cached) {
return enable_on_boot;
}
char path[FILE_MAX_PATH_STRING_LENGTH];
if (service_paths_get_user_data_path(WIFI_SERVICE_ID, SETTINGS_FILE_NAME, path, sizeof(path)) != ERROR_NONE || !is_file(path)) {
return enable_on_boot;
}
PropertiesFile* file = properties_file_open(path);
if (file == nullptr) {
LOG_I(TAG, "Failed to load settings, using defaults");
return enable_on_boot;
}
char value[8];
if (properties_file_get(file, SETTINGS_KEY_ENABLE_ON_BOOT, value, sizeof(value)) == ERROR_NONE) {
enable_on_boot = strcmp(value, "true") == 0;
enable_on_boot_cached = true;
} else {
LOG_I(TAG, "Failed to load settings, using defaults");
}
properties_file_close(file);
return enable_on_boot;
}
}

1
Tactility/CMakeLists.txt
View File

@ -45,6 +45,7 @@ list(APPEND REQUIRES_LIST
gps-generic-module
gps-meshtastic-module
service-module
wifi-module
# Libraries/*
lv_screenshot
minitar

94
Tactility/Include/Tactility/service/wifi/Wifi.h
View File

@ -1,94 +0,0 @@
#pragma once
#include <Tactility/PubSub.h>
#include <memory>
#include <string>
#include <vector>
#include <tactility/drivers/wifi.h>
#include "WifiApSettings.h"
namespace tt::service::wifi {
/** The kernel wifi driver's event type: a WifiEventType tag plus a union
* payload (radio_state/station_state/access_point_state/connection_error
* depending on the tag). See tactility/drivers/wifi.h. */
using WifiEvent = ::WifiEvent;
enum class RadioState {
OnPending,
On,
ConnectionPending,
ConnectionActive,
OffPending,
Off,
};
/** @return Get the current radio state */
RadioState getRadioState();
/** For logging purposes */
const char* radioStateToString(RadioState state);
/**
* @brief Request scanning update. Returns immediately. Results are through pubsub.
*/
void scan();
/** @return true if wifi is actively scanning */
bool isScanning();
/** @return true the ssid name or empty string */
std::string getConnectionTarget();
/** @return the access points from the last scan (if any). It only contains public APs. */
std::vector<WifiApRecord> getScanResults();
/**
* @brief Overrides the default scan result size of 16.
* @param[in] records the record limit for the scan result (84 bytes per record!)
*/
void setScanRecords(uint16_t records);
/**
* @brief Enable/disable the radio. Ignores input if desired state matches current state.
* @param[in] enabled
*/
void setEnabled(bool enabled);
/**
* @return the IPv4 address or empty string
*/
std::string getIp();
/**
* @brief Connect to a network. Disconnects any existing connection.
* Returns immediately but runs in the background. Results are through pubsub.
* @param[in] ap
* @param[in] remember whether to save the ap data to the settings upon successful connection
*/
void connect(const settings::WifiApSettings& ap, bool remember);
/** @brief Disconnect from the access point. Doesn't have any effect when not connected. */
void disconnect();
/** @return true if the connection isn't unencrypted. */
bool isConnectionSecure();
/**
* @brief Suspend or resume the periodic background auto-connect scan.
* @param[in] paused when true, the auto-connect timer stops issuing scans until resumed.
* Intended for narrow, short-lived windows where any WiFi/co-processor traffic would be
* unsafe (e.g. a known co-processor reboot in progress) - callers must resume when done.
* Independent of the internal connect()/disconnect() auto-connect pause bookkeeping: only
* a matching setAutoScanPaused(false) clears this, it is never cleared implicitly by a
* connection succeeding/failing or the radio being enabled.
*/
void setAutoScanPaused(bool paused);
/** @return the RSSI value (negative number) or return 1 when not connected. */
int getRssi();
} // namespace

58
Tactility/Include/Tactility/service/wifi/WifiApSettings.h
View File

@ -1,58 +0,0 @@
#pragma once
#include <string>
namespace tt::service::wifi::settings {
/**
* This struct is stored as-is into NVS flash.
*
* The SSID and secret are increased by 1 byte to facilitate string null termination.
* This makes it easier to use the char array as a string in various places.
*/
struct WifiApSettings {
std::string ssid;
std::string password;
bool autoConnect;
int32_t channel;
WifiApSettings(
std::string ssid,
std::string password,
bool autoConnect = true,
int32_t channel = 0
) : ssid(ssid), password(password), autoConnect(autoConnect), channel(channel) {}
WifiApSettings() : ssid(""), password(""), autoConnect(true), channel(0) {}
};
/**
* Check if settings exist for the provided SSID
* @param[in] ssid the access point to look for
* @return true if the settings exist
*/
bool contains(const std::string& ssid);
/**
* Load the settings for the provided SSID
* @param[in] ssid the access point to look for
* @param[out] settings the output settings
* @return true if the settings were loaded successfully
*/
bool load(const std::string& ssid, WifiApSettings& settings);
/**
* Save settings
* @param settings the settings to save
* @return true when the settings were saved successfully
*/
bool save(const WifiApSettings& settings);
/**
* Remove settings that were saved previously.
* @param ssid the name of the SSID for the settings to remove
* @return true when settings were found and removed
*/
bool remove(const std::string& ssid);
} // namespace

8
Tactility/Include/Tactility/service/wifi/WifiGlobals.h
View File

@ -1,8 +0,0 @@
#pragma once
#define TT_WIFI_AUTO_CONNECT true // Default setting for new Wi-Fi entries
#define TT_WIFI_SCAN_RECORD_LIMIT 16 // default, can be overridden
#define TT_WIFI_SSID_LIMIT 32 // 32 characters/octets, according to IEEE 802.11-2020 spec
#define TT_WIFI_CREDENTIALS_PASSWORD_LIMIT 64 // 64 characters/octets, according to IEEE 802.11-2020 spec

9
Tactility/Include/Tactility/service/wifi/WifiSettings.h
View File

@ -1,9 +0,0 @@
#pragma once
namespace tt::service::wifi::settings {
void setEnableOnBoot(bool enable);
bool shouldEnableOnBoot();
} // namespace

23
Tactility/Private/Tactility/app/wifimanage/State.h
View File

@ -1,8 +1,12 @@
#pragma once
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/RecursiveMutex.h>
#include <tactility/drivers/wifi.h>
#include <string>
#include <vector>
namespace tt::app::wifimanage {
/**
@ -13,7 +17,9 @@ class State final {
RecursiveMutex mutex;
bool scanning = false;
bool scannedAfterRadioOn = false;
service::wifi::RadioState radioState;
WifiRadioState radioState = WIFI_RADIO_STATE_OFF;
WifiStationState stationState = WIFI_STATION_STATE_DISCONNECTED;
std::string connectionTarget;
std::vector<WifiApRecord> apRecords;
std::string connectSsid;
@ -25,10 +31,17 @@ public:
bool hasScannedAfterRadioOn() const { return scannedAfterRadioOn; }
void setRadioState(service::wifi::RadioState state);
service::wifi::RadioState getRadioState() const;
void setRadioState(WifiRadioState state);
WifiRadioState getRadioState() const;
void updateApRecords();
void setStationState(WifiStationState state);
WifiStationState getStationState() const;
/** @param[in] ssid the SSID the station is connected or connecting to, or an empty string */
void setConnectionTarget(const std::string& ssid);
std::string getConnectionTarget() const;
void updateApRecords(Device* device);
template <std::invocable<const std::vector<WifiApRecord>&> Func>
void withApRecords(Func&& onApRecords) const {

1
Tactility/Private/Tactility/app/wifimanage/WifiManagePrivate.h
View File

@ -5,7 +5,6 @@
#include <Tactility/PubSub.h>
#include <Tactility/Mutex.h>
#include <Tactility/service/wifi/Wifi.h>
// Context (the app's actual runtime state) is defined inside WifiManage.cpp's own anonymous
// namespace - View.cpp doesn't need it (Bindings*/State* pointers and a raw appInstanceId are

10
Tactility/Private/Tactility/service/wifi/WifiBootSplashInit.h
View File

@ -1,10 +0,0 @@
#pragma once
namespace tt::service::wifi {
/**
* Called during boot, this function loads WiFi settings from SD card (when available).
*/
void bootSplashInit();
}

10
Tactility/Private/Tactility/service/wifi/WifiPrivate.h
View File

@ -1,10 +0,0 @@
#pragma once
#include <Tactility/service/ServiceContext.h>
#include <memory>
namespace tt::service::wifi {
std::shared_ptr<ServiceContext> findServiceContext();
}

4
Tactility/Source/Tactility.cpp
View File

@ -63,6 +63,7 @@
#include <freertos/module.h>
#include <gps/module.h>
#include <wifi/module.h>
#include <gps_generic/module.h>
#include <gps_meshtastic/module.h>
#include <graphics/module.h>
@ -130,7 +131,6 @@ namespace service {
// Primary
namespace audio { extern const ServiceManifest manifest; }
namespace autorotate { extern const ServiceManifest manifest; }
namespace wifi { extern const ServiceManifest manifest; }
namespace development { extern const ServiceManifest manifest; }
#if defined(CONFIG_SOC_WIFI_SUPPORTED) || defined(CONFIG_ESP_HOSTED_ENABLED)
namespace espnow { extern const ServiceManifest manifest; }
@ -335,7 +335,7 @@ static void registerAndStartServices() {
if (device_exists_of_type(&AUDIO_STREAM_TYPE)) {
addService(service::audio::manifest);
}
addService(service::wifi::manifest);
check(module_ensure_started(&wifi_module) == ERROR_NONE);
addService(service::development::manifest);
addService(service::webserver::manifest);

12
Tactility/Source/app/apphub/AppHubApp.cpp
View File

@ -4,7 +4,6 @@
#include <Tactility/app/apphub/AppHubEntry.h>
#include <Tactility/app/apphubdetails/AppHubDetailsApp.h>
#include <Tactility/file/File.h>
#include <Tactility/service/wifi/Wifi.h>
#include <app/event.h>
#include <app/manager.h>
@ -16,6 +15,8 @@
#include <lvgl_window_manager/window_manager.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl/lvgl.h>
@ -174,7 +175,14 @@ void refresh(Context* ctx) {
lv_obj_add_flag(ctx->refreshButton, LV_OBJ_FLAG_HIDDEN);
lvgl_unlock();
if (service::wifi::getRadioState() != service::wifi::RadioState::ConnectionActive) {
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_get_station_state(wifi_device, &station_state);
device_put(wifi_device);
}
if (station_state != WIFI_STATION_STATE_CONNECTED) {
lvgl_lock();
showNoInternet(ctx);
lvgl_unlock();

17
Tactility/Source/app/development/Development.cpp
View File

@ -3,7 +3,6 @@
#include <Tactility/lvgl/Style.h>
#include <Tactility/service/development/DevelopmentService.h>
#include <Tactility/service/development/DevelopmentSettings.h>
#include <Tactility/service/wifi/Wifi.h>
#include <app/event.h>
#include <app/manager.h>
@ -14,6 +13,8 @@
#include <lvgl_window_manager/window_manager.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl.h>
@ -78,13 +79,21 @@ void onEnableOnBootSwitchChanged(lv_event_t* event) {
}
void updateViewState(Context* ctx) {
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
char ip[16] = {};
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_get_station_state(wifi_device, &station_state);
wifi_station_get_ipv4_address(wifi_device, ip);
device_put(wifi_device);
}
if (!ctx->service->isEnabled()) {
lv_label_set_text(ctx->statusLabel, "Service disabled");
} else if (service::wifi::getRadioState() != service::wifi::RadioState::ConnectionActive) {
} else if (station_state != WIFI_STATION_STATE_CONNECTED) {
lv_label_set_text(ctx->statusLabel, "Waiting for connection...");
} else { // enabled and connected to wifi
auto ip = service::wifi::getIp();
if (ip.empty()) {
if (ip[0] == '\0') {
lv_label_set_text(ctx->statusLabel, "Waiting for IP...");
} else {
const std::string status = std::format("Available at {}", ip);

12
Tactility/Source/app/setup/Setup.cpp
View File

@ -6,7 +6,7 @@
#include <Tactility/app/timezone/TimeZone.h>
#include <Tactility/app/wifimanage/WifiManage.h>
#include <Tactility/file/File.h>
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/Tactility.h>
#include <app/event.h>
#include <app/manager.h>
@ -17,6 +17,8 @@
#include <lvgl_window_manager/window_manager.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl/fonts.h>
@ -221,7 +223,13 @@ int32_t appMain(int argc, char* argv[]) {
.title = "Wi-Fi Setup",
.description = "Let's connect to a Wi-Fi access point.",
.run = [&ctx] {
service::wifi::setEnabled(true);
getMainDispatcher().dispatch([] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_set_radio_on(wifi_device);
device_put(wifi_device);
}
});
ctx.pendingStepDialogId = wifimanage::start(ctx.appInstanceId);
}
}

12
Tactility/Source/app/webserversettings/WebServerSettings.cpp
View File

@ -1,7 +1,6 @@
#include <Tactility/Tactility.h>
#include <Tactility/settings/WebServerSettings.h>
#include <Tactility/service/webserver/WebServerService.h>
#include <Tactility/service/wifi/Wifi.h>
#include <app/event.h>
#include <app/manager.h>
@ -11,6 +10,8 @@
#include <lvgl_window_manager/window_manager.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl.h>
@ -164,8 +165,13 @@ void updateUrlDisplay(Context* ctx) {
url += "192.168.4.1";
} else {
// Station mode - try to get actual IP
std::string ip = service::wifi::getIp();
if (!ip.empty()) {
char ip[16] = {};
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_station_get_ipv4_address(wifi_device, ip);
device_put(wifi_device);
}
if (ip[0] != '\0') {
url += ip;
} else {
url = "Not connected";

102
Tactility/Source/app/wifiapsettings/WifiApSettings.cpp
View File

@ -1,7 +1,6 @@
#include <Tactility/app/alertdialog/AlertDialog.h>
#include <Tactility/lvgl/Style.h>
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/service/wifi/WifiApSettings.h>
#include <Tactility/Tactility.h>
#include <app/event.h>
#include <app/manager.h>
@ -11,11 +10,15 @@
#include <lvgl_window_manager/window_manager.h>
#include <wifi/wifi_autoconnect.h>
#include <wifi/wifi_settings.h>
#include <lvgl/lvgl.h>
#include <lvgl/widgets/toolbar.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
namespace tt::app::wifiapsettings {
@ -46,6 +49,53 @@ struct Context {
void updateViews(Context* ctx);
/** Turns the radio on when needed and connects. Runs on the main dispatcher, as turning the radio on blocks. */
void connectToAp(const WifiApSettings& ap) {
getMainDispatcher().dispatch([ap] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = wifi_set_radio_on(wifi_device);
if (result == ERROR_NONE) {
result = wifi_station_connect(wifi_device, ap.ssid, ap.password, ap.channel);
}
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to connect (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
void disconnectFromAp() {
// Keeps auto-connect from immediately reconnecting
wifi_autoconnect_pause_until_connected();
getMainDispatcher().dispatch([] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = wifi_station_disconnect(wifi_device);
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to disconnect (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
/** @return true when the station is connected to this app's SSID */
bool isConnectedToSsid(Context* ctx) {
if (ctx->wifiDevice == nullptr) return false;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
char ssid[33] = {};
return wifi_get_station_state(ctx->wifiDevice, &station_state) == ERROR_NONE &&
station_state == WIFI_STATION_STATE_CONNECTED &&
wifi_station_get_target_ssid(ctx->wifiDevice, ssid) == ERROR_NONE &&
ctx->ssid == ssid;
}
void onBackPressed(lv_event_t* event) {
auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
app_event_emit_close(ctx->appInstanceId);
@ -61,10 +111,10 @@ void onToggleAutoConnect(lv_event_t* event) {
auto* enable_switch = static_cast<lv_obj_t*>(lv_event_get_target(event));
bool is_on = lv_obj_has_state(enable_switch, LV_STATE_CHECKED);
service::wifi::settings::WifiApSettings settings;
if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
settings.autoConnect = is_on;
if (!service::wifi::settings::save(settings)) {
WifiApSettings settings;
if (wifi_settings_load(ctx->ssid.c_str(), &settings) == ERROR_NONE) {
settings.auto_connect = is_on;
if (wifi_settings_save(&settings) != ERROR_NONE) {
LOG_E(TAG, "Failed to save settings");
}
} else {
@ -74,22 +124,23 @@ void onToggleAutoConnect(lv_event_t* event) {
void onPressConnect(lv_event_t* event) {
auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
service::wifi::settings::WifiApSettings settings;
if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
WifiApSettings settings;
if (wifi_settings_load(ctx->ssid.c_str(), &settings) == ERROR_NONE) {
auto* button = lv_event_get_target_obj(event);
lv_obj_add_state(button, LV_STATE_DISABLED);
service::wifi::connect(settings, false);
connectToAp(settings);
}
}
void onPressDisconnect(lv_event_t*) {
if (service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive) {
service::wifi::disconnect();
void onPressDisconnect(lv_event_t* event) {
auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
if (isConnectedToSsid(ctx)) {
disconnectFromAp();
}
}
void updateConnectButton(Context* ctx) {
if (service::wifi::getConnectionTarget() == ctx->ssid && service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive) {
if (isConnectedToSsid(ctx)) {
lv_obj_remove_flag(ctx->disconnectButton, LV_OBJ_FLAG_HIDDEN);
lv_obj_add_flag(ctx->connectButton, LV_OBJ_FLAG_HIDDEN);
lv_obj_remove_state(ctx->disconnectButton, LV_STATE_DISABLED);
@ -101,19 +152,23 @@ void updateConnectButton(Context* ctx) {
}
void updateBusySpinner(Context* ctx) {
if (service::wifi::getRadioState() == service::wifi::RadioState::ConnectionPending) {
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
if (ctx->wifiDevice != nullptr) {
wifi_get_station_state(ctx->wifiDevice, &station_state);
}
if (station_state == WIFI_STATION_STATE_CONNECTION_PENDING) {
lv_obj_remove_flag(ctx->busySpinner, LV_OBJ_FLAG_HIDDEN);
} else {
lv_obj_add_flag(ctx->busySpinner, LV_OBJ_FLAG_HIDDEN);
}
}
// Touches the filesystem (service::wifi::settings::load()) - callers must not run this on the
// Touches the filesystem (wifi_settings_load()) - callers must not run this on the
// LVGL task (see updateViews()'s callers).
void updateAutoConnectSection(Context* ctx) {
service::wifi::settings::WifiApSettings settings;
if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
if (settings.autoConnect) {
WifiApSettings settings;
if (wifi_settings_load(ctx->ssid.c_str(), &settings) == ERROR_NONE) {
if (settings.auto_connect) {
lv_obj_add_state(ctx->autoConnectSwitch, LV_STATE_CHECKED);
} else {
lv_obj_remove_state(ctx->autoConnectSwitch, LV_STATE_CHECKED);
@ -241,7 +296,7 @@ int32_t appMain(int argc, char* argv[]) {
WindowId window = window_manager_create_ext(appInstanceId, createWidgets, destroyWidgets, &ctx);
// The file-I/O-touching part of the view (updateAutoConnectSection()'s settings::load())
// The file-I/O-touching part of the view (updateAutoConnectSection()'s wifi_settings_load())
// runs here, on this app's own task, not the LVGL task createWidgets()
requestViewUpdate(&ctx);
@ -269,15 +324,12 @@ int32_t appMain(int argc, char* argv[]) {
break;
case APP_EVENT_RESULT:
if (event.result.launch_id == ctx.forgetDialogId && event.result.result == 0) { // 0 = Yes
if (!service::wifi::settings::remove(ctx.ssid.c_str())) {
if (wifi_settings_remove(ctx.ssid.c_str()) != ERROR_NONE) {
LOG_E(TAG, "Failed to remove SSID");
} else {
LOG_I(TAG, "Removed SSID");
if (
service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive &&
service::wifi::getConnectionTarget() == ctx.ssid
) {
service::wifi::disconnect();
if (isConnectedToSsid(&ctx)) {
disconnectFromAp();
}
shouldClose = true;
}

50
Tactility/Source/app/wificonnect/WifiConnect.cpp
View File

@ -1,8 +1,6 @@
#include <Tactility/app/wificonnect/WifiConnect.h>
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/service/wifi/WifiApSettings.h>
#include <Tactility/service/wifi/WifiGlobals.h>
#include <Tactility/Tactility.h>
#include <app/event.h>
#include <app/manager.h>
@ -12,12 +10,15 @@
#include <lvgl_window_manager/window_manager.h>
#include <wifi/wifi_settings.h>
#include <lvgl/lvgl.h>
#include <lvgl/widgets/spinner.h>
#include <lvgl/widgets/toolbar.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl.h>
@ -39,6 +40,9 @@ struct Context {
bool connecting = false;
bool connectionError = false;
// The access point of the pending connection attempt, saved when it succeeds and rememberAp is set
WifiApSettings pendingAp;
bool rememberAp = false;
lv_obj_t* ssid_textarea = nullptr;
lv_obj_t* ssid_error = nullptr;
@ -73,6 +77,14 @@ void onWifiEvent(Context* ctx, WifiEvent event) {
if (ctx->connecting) {
ctx->connecting = false;
shouldClose = true;
if (ctx->rememberAp) {
// Dispatch it, so file IO doesn't block the UI
getMainDispatcher().dispatch([ap = ctx->pendingAp] {
if (wifi_settings_save(&ap) != ERROR_NONE) {
LOG_E(TAG, "Failed to store credentials");
}
});
}
}
} else {
if (ctx->connecting) {
@ -133,7 +145,7 @@ void onConnectPressed(lv_event_t* event) {
const char* ssid = lv_textarea_get_text(ctx->ssid_textarea);
size_t ssid_len = strlen(ssid);
if (ssid_len > TT_WIFI_SSID_LIMIT) {
if (ssid_len > WIFI_SETTINGS_SSID_LIMIT) {
LOG_E(TAG, "SSID too long");
lv_label_set_text(ctx->ssid_error, "SSID too long");
lv_obj_remove_flag(ctx->ssid_error, LV_OBJ_FLAG_HIDDEN);
@ -142,7 +154,7 @@ void onConnectPressed(lv_event_t* event) {
const char* password = lv_textarea_get_text(ctx->password_textarea);
size_t password_len = strlen(password);
if (password_len > TT_WIFI_CREDENTIALS_PASSWORD_LIMIT) {
if (password_len > WIFI_SETTINGS_PASSWORD_LIMIT) {
LOG_E(TAG, "Password too long");
lv_label_set_text(ctx->password_error, "Password too long");
lv_obj_remove_flag(ctx->password_error, LV_OBJ_FLAG_HIDDEN);
@ -153,14 +165,32 @@ void onConnectPressed(lv_event_t* event) {
setLoading(ctx, true);
service::wifi::settings::WifiApSettings settings;
settings.password = password;
settings.ssid = ssid;
// Lengths were validated above
WifiApSettings settings {};
strcpy(settings.ssid, ssid);
strcpy(settings.password, password);
settings.channel = 0;
settings.autoConnect = TT_WIFI_AUTO_CONNECT; // No UI yet, so use global setting
settings.auto_connect = WIFI_SETTINGS_AUTO_CONNECT_DEFAULT; // No UI yet, so use global setting
ctx->connecting = true;
service::wifi::connect(settings, store);
ctx->pendingAp = settings;
ctx->rememberAp = store;
getMainDispatcher().dispatch([settings] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = wifi_set_radio_on(wifi_device);
if (result == ERROR_NONE) {
result = wifi_station_connect(wifi_device, settings.ssid, settings.password, settings.channel);
}
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to connect (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
void createBottomButtons(Context* ctx, lv_obj_t* parent) {

45
Tactility/Source/app/wifimanage/State.cpp
View File

@ -2,6 +2,8 @@
namespace tt::app::wifimanage {
constexpr size_t SCAN_RECORD_LIMIT = 16;
void State::setScanning(bool isScanning) {
mutex.lock();
scanning = isScanning;
@ -9,22 +11,48 @@ void State::setScanning(bool isScanning) {
mutex.unlock();
}
void State::setRadioState(service::wifi::RadioState state) {
void State::setRadioState(WifiRadioState state) {
mutex.lock();
radioState = state;
if (radioState == service::wifi::RadioState::Off) {
if (radioState == WIFI_RADIO_STATE_OFF) {
scannedAfterRadioOn = false;
}
mutex.unlock();
}
service::wifi::RadioState State::getRadioState() const {
WifiRadioState State::getRadioState() const {
mutex.lock();
auto result = radioState;
mutex.unlock();
return result;
}
void State::setStationState(WifiStationState state) {
mutex.lock();
stationState = state;
mutex.unlock();
}
WifiStationState State::getStationState() const {
mutex.lock();
auto result = stationState;
mutex.unlock();
return result;
}
void State::setConnectionTarget(const std::string& ssid) {
mutex.lock();
connectionTarget = ssid;
mutex.unlock();
}
std::string State::getConnectionTarget() const {
mutex.lock();
auto result = connectionTarget;
mutex.unlock();
return result;
}
bool State::isScanning() const {
mutex.lock();
bool result = scanning;
@ -32,9 +60,16 @@ bool State::isScanning() const {
return result;
}
void State::updateApRecords() {
void State::updateApRecords(Device* device) {
std::vector<WifiApRecord> records(SCAN_RECORD_LIMIT);
size_t count = records.size();
if (device == nullptr || wifi_get_scan_results(device, records.data(), &count) != ERROR_NONE) {
count = 0;
}
records.resize(count);
mutex.lock();
apRecords = service::wifi::getScanResults();
apRecords = std::move(records);
mutex.unlock();
}

56
Tactility/Source/app/wifimanage/View.cpp
View File

@ -6,8 +6,6 @@
#include <Tactility/app/wifimanage/View.h>
#include <Tactility/app/wifimanage/WifiManagePrivate.h>
#include <Tactility/lvgl/Style.h>
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/service/wifi/WifiSettings.h>
#include <Tactility/Tactility.h>
#include <app/event.h>
@ -16,6 +14,8 @@
#include <tactility/log.h>
#include <lvgl/lvgl.h>
#include <wifi/wifi_settings.h>
namespace tt::app::wifimanage {
constexpr auto* TAG = "WifiManageView";
@ -49,7 +49,7 @@ static void onEnableOnBootSwitchChanged(lv_event_t* event) {
bool is_on = lv_obj_has_state(enable_switch, LV_STATE_CHECKED);
// Dispatch it, so file IO doesn't block the UI
getMainDispatcher().dispatch([is_on] {
service::wifi::settings::setEnableOnBoot(is_on);
wifi_settings_set_enable_on_boot(is_on);
});
}
@ -80,7 +80,7 @@ void View::connect(lv_event_t* event) {
LOG_I(TAG, "Clicked %zu/%zu", index, ap_records.size() - 1);
std::string ssid = ap_records[index].ssid;
LOG_I(TAG, "Clicked AP: %s", ssid.c_str());
std::string connection_target = service::wifi::getConnectionTarget();
std::string connection_target = self->state->getConnectionTarget();
if (connection_target == ssid) {
self->bindings->onDisconnect();
} else {
@ -117,7 +117,7 @@ void View::createSsidListItem(const WifiApRecord& record, bool isConnecting, siz
const auto label = std::format("{} {}{}%", std::string(record.ssid), auth_info, percentage);
auto* button = lv_list_add_button(networks_list, nullptr, label.c_str());
lv_obj_set_user_data(button, reinterpret_cast<void*>(index));
if (service::wifi::settings::contains(record.ssid)) {
if (wifi_settings_contains(record.ssid)) {
lv_obj_add_event_cb(button, showDetails, LV_EVENT_SHORT_CLICKED, this);
} else {
lv_obj_add_event_cb(button, connect, LV_EVENT_SHORT_CLICKED, this);
@ -130,19 +130,10 @@ void View::updateConnectToHidden() {
return;
}
using enum service::wifi::RadioState;
switch (state->getRadioState()) {
case On:
case ConnectionPending:
case ConnectionActive:
lv_obj_remove_flag(connect_to_hidden, LV_OBJ_FLAG_HIDDEN);
break;
case OnPending:
case OffPending:
case Off:
lv_obj_add_flag(connect_to_hidden, LV_OBJ_FLAG_HIDDEN);
break;
if (state->getRadioState() == WIFI_RADIO_STATE_ON) {
lv_obj_remove_flag(connect_to_hidden, LV_OBJ_FLAG_HIDDEN);
} else {
lv_obj_add_flag(connect_to_hidden, LV_OBJ_FLAG_HIDDEN);
}
}
@ -174,19 +165,17 @@ void View::updateNetworkList() {
updateEnableOnBootToggle();
switch (state->getRadioState()) {
using enum service::wifi::RadioState;
case OnPending:
case On:
case ConnectionPending:
case ConnectionActive: {
case WIFI_RADIO_STATE_ON_PENDING:
case WIFI_RADIO_STATE_ON: {
std::string connection_target = service::wifi::getConnectionTarget();
std::string connection_target = state->getConnectionTarget();
auto station_state = state->getStationState();
// Make safe copy
auto ap_records = state->getApRecords();
bool is_connected = !connection_target.empty() &&
state->getRadioState() == ConnectionActive;
station_state == WIFI_STATION_STATE_CONNECTED;
bool added_connected = false;
if (is_connected && !ap_records.empty()) {
for (int i = 0; i < ap_records.size(); ++i) {
@ -208,7 +197,7 @@ void View::updateNetworkList() {
if (!used_ssids.contains(record.ssid)) {
bool connection_target_match = (record.ssid == connection_target);
bool is_connecting = connection_target_match
&& state->getRadioState() == ConnectionPending &&
&& station_state == WIFI_STATION_STATE_CONNECTION_PENDING &&
!connection_target.empty();
bool skip = connection_target_match && added_connected;
if (!skip) {
@ -245,7 +234,7 @@ void View::updateNetworkList() {
}
void View::updateScanning() {
if (state->getRadioState() == service::wifi::RadioState::On && state->isScanning()) {
if (state->getRadioState() == WIFI_RADIO_STATE_ON && state->getStationState() == WIFI_STATION_STATE_DISCONNECTED && state->isScanning()) {
lv_obj_remove_flag(scanning_spinner, LV_OBJ_FLAG_HIDDEN);
} else {
lv_obj_add_flag(scanning_spinner, LV_OBJ_FLAG_HIDDEN);
@ -255,21 +244,18 @@ void View::updateScanning() {
void View::updateWifiToggle() {
lv_obj_clear_state(enable_switch, LV_STATE_ANY);
switch (state->getRadioState()) {
using enum service::wifi::RadioState;
case On:
case ConnectionPending:
case ConnectionActive:
case WIFI_RADIO_STATE_ON:
lv_obj_add_state(enable_switch, LV_STATE_CHECKED);
break;
case OnPending:
case WIFI_RADIO_STATE_ON_PENDING:
lv_obj_add_state(enable_switch, LV_STATE_CHECKED);
lv_obj_add_state(enable_switch, LV_STATE_DISABLED);
break;
case Off:
case WIFI_RADIO_STATE_OFF:
lv_obj_remove_state(enable_switch, LV_STATE_CHECKED);
lv_obj_remove_state(enable_switch, LV_STATE_DISABLED);
break;
case OffPending:
case WIFI_RADIO_STATE_OFF_PENDING:
lv_obj_remove_state(enable_switch, LV_STATE_CHECKED);
lv_obj_add_state(enable_switch, LV_STATE_DISABLED);
break;
@ -279,7 +265,7 @@ void View::updateWifiToggle() {
void View::updateEnableOnBootToggle() {
if (enable_on_boot_switch != nullptr) {
lv_obj_clear_state(enable_on_boot_switch, LV_STATE_ANY);
if (service::wifi::settings::shouldEnableOnBoot()) {
if (wifi_settings_get_enable_on_boot()) {
lv_obj_add_state(enable_on_boot_switch, LV_STATE_CHECKED);
} else {
lv_obj_remove_state(enable_on_boot_switch, LV_STATE_CHECKED);

126
Tactility/Source/app/wifimanage/WifiManage.cpp
View File

@ -3,6 +3,7 @@
#include <Tactility/app/wifiapsettings/WifiApSettings.h>
#include <Tactility/app/wificonnect/WifiConnect.h>
#include <Tactility/Tactility.h>
#include <app/event.h>
#include <app/manager.h>
@ -12,8 +13,12 @@
#include <lvgl_window_manager/window_manager.h>
#include <wifi/wifi_autoconnect.h>
#include <wifi/wifi_settings.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <lvgl/lvgl.h>
@ -47,11 +52,47 @@ struct Context {
};
/** Turns the radio on when needed and connects. Runs on the main dispatcher, as turning the radio on blocks. */
static void connectToAp(const WifiApSettings& ap) {
getMainDispatcher().dispatch([ap] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = wifi_set_radio_on(wifi_device);
if (result == ERROR_NONE) {
result = wifi_station_connect(wifi_device, ap.ssid, ap.password, ap.channel);
}
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to connect (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
static void disconnectFromAp() {
// Keeps auto-connect from immediately reconnecting
wifi_autoconnect_pause_until_connected();
getMainDispatcher().dispatch([] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = wifi_station_disconnect(wifi_device);
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to disconnect (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
static void onConnect(const std::string& ssid) {
service::wifi::settings::WifiApSettings settings;
if (service::wifi::settings::load(ssid, settings)) {
WifiApSettings settings;
if (wifi_settings_load(ssid.c_str(), &settings) == ERROR_NONE) {
LOG_I(TAG, "Connecting with known credentials");
service::wifi::connect(settings, false);
connectToAp(settings);
} else {
LOG_I(TAG, "Starting connection dialog");
wificonnect::start(ssid);
@ -63,11 +104,22 @@ static void onShowApSettings(const std::string& ssid) {
}
static void onDisconnect() {
service::wifi::disconnect();
disconnectFromAp();
}
static void onWifiToggled(bool enabled) {
service::wifi::setEnabled(enabled);
getMainDispatcher().dispatch([enabled] {
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
return;
}
error_t result = enabled ? wifi_set_radio_on(wifi_device) : wifi_set_radio_off(wifi_device);
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to set radio state (%s)", error_to_string(result));
}
device_put(wifi_device);
});
}
static void onConnectToHidden() {
@ -85,21 +137,43 @@ void updateView(Context* ctx) {
lvgl_unlock();
}
void onWifiEvent(Context* ctx, WifiEvent event) {
auto radio_state = service::wifi::getRadioState();
LOG_I(TAG, "Update with state %s", service::wifi::radioStateToString(radio_state));
void updateStateFromDevice(Context* ctx) {
WifiRadioState radio_state = WIFI_RADIO_STATE_OFF;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
char ssid[33] = {};
wifi_get_radio_state(ctx->wifiDevice, &radio_state);
wifi_get_station_state(ctx->wifiDevice, &station_state);
if (station_state != WIFI_STATION_STATE_DISCONNECTED) {
wifi_station_get_target_ssid(ctx->wifiDevice, ssid);
}
ctx->state.setRadioState(radio_state);
ctx->state.setStationState(station_state);
ctx->state.setConnectionTarget(ssid);
}
void scanIfIdle(Context* ctx) {
if (!wifi_is_scanning(ctx->wifiDevice)) {
error_t result = wifi_scan(ctx->wifiDevice);
if (result != ERROR_NONE) {
LOG_I(TAG, "Can't start scan (%s)", error_to_string(result));
}
}
}
void onWifiEvent(Context* ctx, WifiEvent event) {
updateStateFromDevice(ctx);
LOG_I(TAG, "Update with radio state %d, station state %d", (int)ctx->state.getRadioState(), (int)ctx->state.getStationState());
switch (event.type) {
case WIFI_EVENT_TYPE_SCAN_STARTED:
ctx->state.setScanning(true);
break;
case WIFI_EVENT_TYPE_SCAN_FINISHED:
ctx->state.setScanning(false);
ctx->state.updateApRecords();
ctx->state.updateApRecords(ctx->wifiDevice);
break;
case WIFI_EVENT_TYPE_RADIO_STATE_CHANGED:
if (event.radio_state == WIFI_RADIO_STATE_ON && !service::wifi::isScanning()) {
service::wifi::scan();
if (event.radio_state == WIFI_RADIO_STATE_ON) {
scanIfIdle(ctx);
}
break;
default:
@ -136,11 +210,6 @@ int32_t appMain(int argc, char* argv[]) {
.onConnectToHidden = onConnectToHidden
};
// State update (it has its own locking)
ctx.state.setRadioState(service::wifi::getRadioState());
ctx.state.setScanning(service::wifi::isScanning());
ctx.state.updateApRecords();
TaskEventGroup event_group {};
task_event_group_construct(&event_group);
ctx.eventGroup = &event_group;
@ -163,20 +232,17 @@ int32_t appMain(int argc, char* argv[]) {
LOG_W(TAG, "No WiFi device found");
}
// State update (it has its own locking)
if (ctx.wifiDevice != nullptr) {
updateStateFromDevice(&ctx);
ctx.state.setScanning(wifi_is_scanning(ctx.wifiDevice));
ctx.state.updateApRecords(ctx.wifiDevice);
}
WindowId window = window_manager_create_ext(appInstanceId, createWidgets, destroyWidgets, &ctx);
service::wifi::RadioState radio_state = service::wifi::getRadioState();
bool can_scan = radio_state == service::wifi::RadioState::On ||
radio_state == service::wifi::RadioState::ConnectionPending ||
radio_state == service::wifi::RadioState::ConnectionActive;
std::string connection_target = service::wifi::getConnectionTarget();
LOG_I(TAG, "Radio: %s, Scanning: %d, Connected to: %s, Can scan: %d",
service::wifi::radioStateToString(radio_state),
(int)service::wifi::isScanning(),
connection_target.empty() ? "(none)" : connection_target.c_str(),
(int)can_scan);
if (can_scan && !service::wifi::isScanning()) {
service::wifi::scan();
if (ctx.wifiDevice != nullptr && ctx.state.getRadioState() == WIFI_RADIO_STATE_ON) {
scanIfIdle(&ctx);
}
bool shouldClose = false;
@ -195,6 +261,10 @@ int32_t appMain(int argc, char* argv[]) {
if (device_get_first_by_type(&WIFI_TYPE, &retry_device) == ERROR_NONE) {
if (wifi_event_subscribe(retry_device, &ctx.wifiEventSub, &event_group) == ERROR_NONE) {
ctx.wifiDevice = retry_device;
updateStateFromDevice(&ctx);
ctx.state.setScanning(wifi_is_scanning(ctx.wifiDevice));
ctx.state.updateApRecords(ctx.wifiDevice);
ctx.needsRefresh = true;
} else {
device_put(retry_device);
}

16
Tactility/Source/service/espnow/EspNowBackendNative.cpp
View File

@ -5,11 +5,12 @@
#if defined(CONFIG_SOC_WIFI_SUPPORTED) && !defined(CONFIG_ESP_HOSTED_ENABLED)
#include <Tactility/service/espnow/EspNowBackend.h>
#include <Tactility/service/wifi/Wifi.h>
#include <esp_now.h>
#include <esp_wifi.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
namespace tt::service::espnow::backend {
@ -23,8 +24,15 @@ static uint8_t savedProtocolBitmap = 0;
static bool deinitWifi();
static bool initWifi(const EspNowConfig& config) {
auto wifi_state = wifi::getRadioState();
bool wifi_already_running = (wifi_state != wifi::RadioState::Off && wifi_state != wifi::RadioState::OffPending);
WifiRadioState radio_state = WIFI_RADIO_STATE_OFF;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_get_radio_state(wifi_device, &radio_state);
wifi_get_station_state(wifi_device, &station_state);
device_put(wifi_device);
}
bool wifi_already_running = (radio_state != WIFI_RADIO_STATE_OFF && radio_state != WIFI_RADIO_STATE_OFF_PENDING);
wifi_mode_t mode;
if (config.mode == Mode::Station) {
@ -70,7 +78,7 @@ static bool initWifi(const EspNowConfig& config) {
return false;
}
} else if (config.channel != 0 &&
wifi_state != wifi::RadioState::ConnectionActive && wifi_state != wifi::RadioState::ConnectionPending) {
station_state == WIFI_STATION_STATE_DISCONNECTED) {
// WifiService already owns the radio but isn't associated to an AP: an unassociated STA's
// operating channel is otherwise left undefined/wherever it last scanned to, which silently
// breaks ESP-NOW (esp_now_send() reports success but nothing reaches a peer sitting on a

49
Tactility/Source/service/statusbar/Statusbar.cpp
View File

@ -6,7 +6,6 @@
#include <Tactility/service/ServiceContext.h>
#include <Tactility/service/ServicePaths.h>
#include <Tactility/service/ServiceRegistration.h>
#include <Tactility/service/wifi/Wifi.h>
#include <tactility/check.h>
#include <tactility/device.h>
@ -18,6 +17,7 @@
#include <tactility/drivers/usb_host_hid.h>
#include <tactility/drivers/usb_host_midi.h>
#include <tactility/drivers/usb_host_msc.h>
#include <tactility/drivers/wifi.h>
#include <tactility/filesystem/file_system.h>
#include <tactility/log.h>
@ -49,23 +49,35 @@ const char* getWifiStatusIconForRssi(int rssi) {
}
}
static const char* getWifiStatusIcon(wifi::RadioState state) {
int rssi;
switch (state) {
using enum wifi::RadioState;
case On:
case OnPending:
case ConnectionPending:
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_0_BAR;
case OffPending:
case Off:
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_OFF;
case ConnectionActive:
rssi = wifi::getRssi();
return getWifiStatusIconForRssi(rssi);
default:
check(false, "not implemented");
static const char* getWifiStatusIcon() {
Device* device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &device) != ERROR_NONE) {
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_OFF;
}
WifiRadioState radio_state = WIFI_RADIO_STATE_OFF;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
int32_t rssi = 1;
wifi_get_radio_state(device, &radio_state);
wifi_get_station_state(device, &station_state);
if (station_state == WIFI_STATION_STATE_CONNECTED) {
wifi_station_get_rssi(device, &rssi);
}
device_put(device);
switch (radio_state) {
case WIFI_RADIO_STATE_OFF:
case WIFI_RADIO_STATE_OFF_PENDING:
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_OFF;
case WIFI_RADIO_STATE_ON_PENDING:
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_0_BAR;
case WIFI_RADIO_STATE_ON:
if (station_state == WIFI_STATION_STATE_CONNECTED) {
return getWifiStatusIconForRssi(rssi);
}
return LVGL_ICON_STATUSBAR_SIGNAL_WIFI_0_BAR;
}
check(false, "not implemented");
}
static const char* getBluetoothStatusIcon(tt::bluetooth::RadioState state, bool scanning, bool connected) {
@ -207,8 +219,7 @@ class StatusbarService final : public Service {
}
void updateWifiIcon() {
wifi::RadioState radio_state = wifi::getRadioState();
const char* desired_icon = getWifiStatusIcon(radio_state);
const char* desired_icon = getWifiStatusIcon();
if (wifi_last_icon != desired_icon) {
if (desired_icon != nullptr) {
lvgl::statusbar_icon_set_image(wifi_icon_id, desired_icon);

60
Tactility/Source/service/webserver/WebServerService.cpp
View File

@ -15,9 +15,10 @@
#include <Tactility/network/HttpServerReq.h>
#include <Tactility/network/HttpdReq.h>
#include <Tactility/network/Url.h>
#include <Tactility/service/wifi/Wifi.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/filesystem/file_system.h>
#include <tactility/log.h>
@ -1433,14 +1434,17 @@ error_t WebServerService::handleApiAppsInstall(HttpServerRequest* request, void*
}
// Helper to convert radio state to string
static const char* radioStateToJsonString(wifi::RadioState state) {
switch (state) {
case wifi::RadioState::On: return "on";
case wifi::RadioState::OnPending: return "turning_on";
case wifi::RadioState::Off: return "off";
case wifi::RadioState::OffPending: return "turning_off";
case wifi::RadioState::ConnectionPending: return "connecting";
case wifi::RadioState::ConnectionActive: return "connected";
static const char* radioStateToJsonString(WifiRadioState radioState, WifiStationState stationState) {
switch (radioState) {
case WIFI_RADIO_STATE_ON:
switch (stationState) {
case WIFI_STATION_STATE_CONNECTION_PENDING: return "connecting";
case WIFI_STATION_STATE_CONNECTED: return "connected";
default: return "on";
}
case WIFI_RADIO_STATE_ON_PENDING: return "turning_on";
case WIFI_RADIO_STATE_OFF: return "off";
case WIFI_RADIO_STATE_OFF_PENDING: return "turning_off";
default: return "unknown";
}
}
@ -1449,15 +1453,41 @@ static const char* radioStateToJsonString(wifi::RadioState state) {
error_t WebServerService::handleApiWifi(HttpServerRequest* request, void*) {
LOG_I(TAG, "GET /api/wifi");
auto state = wifi::getRadioState();
auto ip = wifi::getIp();
auto ssid = wifi::getConnectionTarget();
auto rssi = wifi::getRssi();
bool secure = wifi::isConnectionSecure();
WifiRadioState radio_state = WIFI_RADIO_STATE_OFF;
WifiStationState station_state = WIFI_STATION_STATE_DISCONNECTED;
char ip[16] = {};
char ssid[33] = {};
int32_t rssi = 1;
bool secure = false;
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
wifi_get_radio_state(wifi_device, &radio_state);
wifi_get_station_state(wifi_device, &station_state);
if (station_state != WIFI_STATION_STATE_DISCONNECTED) {
wifi_station_get_target_ssid(wifi_device, ssid);
}
if (station_state == WIFI_STATION_STATE_CONNECTED) {
wifi_station_get_ipv4_address(wifi_device, ip);
wifi_station_get_rssi(wifi_device, &rssi);
// The driver doesn't report the active connection's authentication, so derive it from the last scan
WifiApRecord records[16];
size_t record_count = std::size(records);
if (wifi_get_scan_results(wifi_device, records, &record_count) == ERROR_NONE) {
for (size_t i = 0; i < record_count; ++i) {
if (strcmp(records[i].ssid, ssid) == 0) {
secure = records[i].authentication_type != WIFI_AUTHENTICATION_TYPE_OPEN;
break;
}
}
}
}
device_put(wifi_device);
}
std::ostringstream json;
json << "{";
json << "\"state\":\"" << radioStateToJsonString(state) << "\",";
json << "\"state\":\"" << radioStateToJsonString(radio_state, station_state) << "\",";
json << "\"ip\":\"" << escapeJson(ip) << "\",";
json << "\"ssid\":\"" << escapeJson(ssid) << "\",";
json << "\"rssi\":" << rssi << ",";

593
Tactility/Source/service/wifi/Wifi.cpp
View File

@ -1,593 +0,0 @@
#include <Tactility/service/wifi/Wifi.h>
#include <Tactility/CoreDefines.h>
#include <Tactility/LogMessages.h>
#include <Tactility/RecursiveMutex.h>
#include <Tactility/Tactility.h>
#include <Tactility/Thread.h>
#include <Tactility/Timer.h>
#include <Tactility/service/Service.h>
#include <Tactility/service/ServiceManifest.h>
#include <Tactility/service/ServiceRegistration.h>
#include <Tactility/service/wifi/WifiBootSplashInit.h>
#include <Tactility/service/wifi/WifiGlobals.h>
#include <tactility/check.h>
#include <tactility/device.h>
#include <tactility/drivers/wifi.h>
#include <tactility/log.h>
#include <tactility/system_event.h>
#include <tactility/time.h>
#include <tactility/wifi_auto_scan.h>
#include <algorithm>
#include <atomic>
namespace tt::service::wifi {
constexpr auto* TAG = "WifiService";
constexpr auto AUTO_SCAN_INTERVAL = 10000; // ms
const char* radioStateToString(RadioState state) {
switch (state) {
using enum RadioState;
case OnPending:
return TT_STRINGIFY(OnPending);
case On:
return TT_STRINGIFY(On);
case ConnectionPending:
return TT_STRINGIFY(ConnectionPending);
case ConnectionActive:
return TT_STRINGIFY(ConnectionActive);
case OffPending:
return TT_STRINGIFY(OffPending);
case Off:
return TT_STRINGIFY(Off);
}
check(false, "not implemented");
}
extern const ServiceManifest manifest;
std::shared_ptr<ServiceContext> findServiceContext() {
return findServiceContextById(manifest.id);
}
namespace {
// Everything below wraps a TactilityKernel WIFI_TYPE device: the driver owns
// the radio state, station state and scan results, this file only tracks the
// bits the kernel driver doesn't (in-flight connection target/credentials,
// auto-connect bookkeeping).
/** State lives for the entire process; only ever (re)initialized by onStart(). */
struct WifiServiceState {
Device* device = nullptr;
RecursiveMutex mutex;
bool secureConnection = false;
// Internal: set by connect()/disconnect() while a manual attempt is in flight, cleared on
// connection success/failure. Distinct from externalScanPause below - the two must not
// clobber each other, otherwise a caller's explicit pause (e.g. AutoScanPauseGuard during a
// co-processor OTA) can be silently cleared by an unrelated connect/disconnect finishing.
bool pauseAutoConnect = false;
// External: only setAutoScanPaused() may set/clear this. Read alongside pauseAutoConnect to
// gate scan scheduling (both must be false to scan).
std::atomic<bool> externalScanPause{false};
bool connectionTargetRemember = false;
settings::WifiApSettings connectionTarget;
uint16_t scanRecordLimit = TT_WIFI_SCAN_RECORD_LIMIT;
TickType_t lastScanTime = MAX_TICKS;
std::unique_ptr<Timer> autoConnectTimer;
bool bootEventSubscribed = false;
// Dedicated consumer for WifiEvents, alive for the service's whole lifetime (started in
// onStart(), stopped in onStop() - see dispatchSetEnabled()'s comment on why this outlives
// radio on/off toggles): runs onWifiDeviceEvent() on its own stack instead of the ESP-IDF
// esp_event task's, by blocking in task_event_group_wait_any() rather than being called back
// directly from fire_event().
TaskEventGroup wifiEventGroup {};
WifiEventSubscription wifiEventSub {};
Thread* wifiEventThread = nullptr;
std::atomic<bool> wifiEventThreadRunning {false};
};
WifiServiceState state;
bool started = false;
void onWifiDeviceEvent(Device* device, ::WifiEvent event);
// ---- Helpers ----
// state.device is started (bookkeeping allocated) for the service's entire lifetime now - see
// dispatchSetEnabled()'s comment - so device_is_ready() no longer tracks radio-on state; query
// the driver directly instead.
bool isRadioOn() {
if (state.device == nullptr) return false;
WifiRadioState radio = WIFI_RADIO_STATE_OFF;
return wifi_get_radio_state(state.device, &radio) == ERROR_NONE && radio == WIFI_RADIO_STATE_ON;
}
RadioState combineRadioState(WifiRadioState radio, WifiStationState station) {
switch (radio) {
case WIFI_RADIO_STATE_OFF: return RadioState::Off;
case WIFI_RADIO_STATE_ON_PENDING: return RadioState::OnPending;
case WIFI_RADIO_STATE_OFF_PENDING: return RadioState::OffPending;
case WIFI_RADIO_STATE_ON:
switch (station) {
case WIFI_STATION_STATE_CONNECTION_PENDING: return RadioState::ConnectionPending;
case WIFI_STATION_STATE_CONNECTED: return RadioState::ConnectionActive;
case WIFI_STATION_STATE_DISCONNECTED: default: return RadioState::On;
}
}
return RadioState::Off;
}
// ---- WifiEvent consumer thread ----
// Runs onWifiDeviceEvent() on its own stack (see WifiServiceState::wifiEventGroup's comment).
constexpr configSTACK_DEPTH_TYPE WIFI_EVENT_THREAD_STACK_SIZE = 4096;
int32_t wifiEventThreadMain() {
// The 250ms timeout only bounds how promptly a stop request (wifiEventThreadRunning going
// false) is noticed; a real event still wakes this immediately regardless, since
// task_event_group_wait_any() returns as soon as the bit is signalled, whichever comes first.
while (state.wifiEventThreadRunning.load()) {
task_event_group_wait_any(&state.wifiEventGroup, nullptr, pdMS_TO_TICKS(250));
WifiEvent event {};
while (wifi_event_poll(&state.wifiEventSub, &event) == ERROR_NONE) {
onWifiDeviceEvent(state.device, event);
}
}
return 0;
}
bool startWifiEventThread() {
task_event_group_construct(&state.wifiEventGroup);
if (wifi_event_subscribe(state.device, &state.wifiEventSub, &state.wifiEventGroup) != ERROR_NONE) {
task_event_group_destruct(&state.wifiEventGroup);
return false;
}
state.wifiEventThreadRunning = true;
state.wifiEventThread = new Thread("wifi-events", WIFI_EVENT_THREAD_STACK_SIZE, [] { return wifiEventThreadMain(); });
state.wifiEventThread->start();
return true;
}
void stopWifiEventThread() {
if (state.wifiEventThread == nullptr) return;
state.wifiEventThreadRunning = false;
state.wifiEventThread->join();
delete state.wifiEventThread;
state.wifiEventThread = nullptr;
wifi_event_unsubscribe(state.device, &state.wifiEventSub);
task_event_group_destruct(&state.wifiEventGroup);
}
// ---- Dispatched work (runs on the main task) ----
// state.device is started (device_start()) once, in onStart(), and never stopped until onStop() -
// this only toggles the radio itself, so the wifi-events thread (and any app subscribed directly
// to the driver) stays subscribed across on/off toggles instead of having to resubscribe.
void dispatchSetEnabled(bool enabled) {
LOG_I(TAG, "dispatchSetEnabled(%d)", (int)enabled);
if (!started || state.device == nullptr) return;
if (enabled == isRadioOn()) {
LOG_W(TAG, "Can't enable/disable from current state");
return;
}
if (enabled) {
if (wifi_set_radio_on(state.device) != ERROR_NONE) {
LOG_E(TAG, "Failed to enable WiFi radio");
return;
}
state.pauseAutoConnect = false;
state.lastScanTime = 0;
} else {
if (wifi_set_radio_off(state.device) != ERROR_NONE) {
LOG_E(TAG, "Failed to disable WiFi radio");
return;
}
state.secureConnection = false;
}
}
void dispatchScan() {
LOG_I(TAG, "dispatchScan()");
if (!started || state.device == nullptr || !isRadioOn()) return;
state.lastScanTime = get_ticks();
error_t result = wifi_scan(state.device);
if (result != ERROR_NONE) {
LOG_I(TAG, "Can't start scan (%s)", error_to_string(result));
}
}
void dispatchConnect() {
LOG_I(TAG, "dispatchConnect()");
if (!started || state.device == nullptr) return;
settings::WifiApSettings target;
{
auto lock = state.mutex.asScopedLock();
if (!lock.lock(50 / portTICK_PERIOD_MS)) {
LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED_FMT, "dispatchConnect()");
return;
}
target = state.connectionTarget;
}
LOG_I(TAG, "Connecting to %s", target.ssid.c_str());
wifi_station_connect(state.device, target.ssid.c_str(), target.password.c_str(), target.channel);
}
void dispatchDisconnect() {
LOG_I(TAG, "dispatchDisconnect()");
if (!started || state.device == nullptr) return;
error_t result = wifi_station_disconnect(state.device);
if (result != ERROR_NONE) {
LOG_E(TAG, "Failed to disconnect (%s)", error_to_string(result));
}
// The Disconnected event arrives asynchronously via onWifiDeviceEvent().
}
bool findAutoConnectAp(settings::WifiApSettings& out) {
for (const auto& record : getScanResults()) {
if (settings::contains(record.ssid)) {
settings::WifiApSettings loaded;
if (settings::load(record.ssid, loaded)) {
if (loaded.autoConnect) {
out = loaded;
return true;
}
} else {
LOG_E(TAG, "Failed to load credentials for ssid %s", record.ssid);
}
}
}
return false;
}
void dispatchAutoConnect() {
LOG_I(TAG, "dispatchAutoConnect()");
if (state.pauseAutoConnect || state.externalScanPause.load() || !isRadioOn()) {
// A manual disconnect() or an in-progress manual connect() has paused
// auto-connect, or a caller (e.g. AutoScanPauseGuard) has externally paused it.
// This is called on every SCAN_FINISHED, not just the auto-connect timer's own
// scans (e.g. WifiManage re-scans on show), so it must honor the pause instead of
// reconnecting unconditionally. The radio-off check matters because a scan that was
// already in flight can finish after the user turns the radio off. Without it,
// connect() would call dispatchSetEnabled(true) and turn the radio back on.
return;
}
RadioState radio_state = getRadioState();
if (radio_state == RadioState::ConnectionActive || radio_state == RadioState::ConnectionPending) {
// Already connected (or connecting): reconnecting to the same AP would just
// force a pointless disconnect/reconnect blip, e.g. when WifiManage's
// on-show scan finishes while we're already on the saved auto-connect AP.
return;
}
settings::WifiApSettings target;
if (findAutoConnectAp(target)) {
LOG_I(TAG, "Auto-connecting to %s", target.ssid.c_str());
connect(target, false);
// connect() pauses auto-connect (it assumes a manual/user call); undo that
// since this call was automatic.
state.pauseAutoConnect = false;
}
}
bool shouldScanForAutoConnect() {
bool radio_scannable = getRadioState() == RadioState::On && !isScanning() &&
!state.pauseAutoConnect && !state.externalScanPause.load();
if (!radio_scannable) return false;
TickType_t current_time = get_ticks();
bool scan_time_has_looped = current_time < state.lastScanTime;
bool no_recent_scan = (current_time - state.lastScanTime) > (AUTO_SCAN_INTERVAL / portTICK_PERIOD_MS);
return scan_time_has_looped || no_recent_scan;
}
void onAutoConnectTimer() {
if (!started || state.device == nullptr) return;
if (shouldScanForAutoConnect()) {
getMainDispatcher().dispatch([] { dispatchScan(); });
}
}
// ---- Kernel driver event bridge ----
void onWifiDeviceEvent(Device* device, ::WifiEvent event) {
switch (event.type) {
case WIFI_EVENT_TYPE_SCAN_FINISHED:
getMainDispatcher().dispatch([] { dispatchAutoConnect(); });
break;
case WIFI_EVENT_TYPE_STATION_STATE_CHANGED:
if (event.station_state == WIFI_STATION_STATE_DISCONNECTED) {
// Don't touch pauseAutoConnect here: a deliberate disconnect() sets it
// and relies on it staying set until a new connection is established.
// Resetting it on every disconnect (including deliberate ones) would
// let auto-connect immediately reconnect the user. Attempts that fail
// while pending are unpaused via WIFI_EVENT_TYPE_STATION_CONNECTION_RESULT below.
NetworkDisconnectedEvent disconnected_event = { .device = device };
system_event_emit(KERNEL_EVENT_NETWORK_DISCONNECTED, &disconnected_event, sizeof(disconnected_event));
}
break;
case WIFI_EVENT_TYPE_STATION_CONNECTION_RESULT:
if (event.connection_error == WIFI_STATION_CONNECTION_ERROR_NONE) {
settings::WifiApSettings target;
bool remember;
{
auto lock = state.mutex.asScopedLock();
if (lock.lock(50 / portTICK_PERIOD_MS)) {
target = state.connectionTarget;
remember = state.connectionTargetRemember;
state.secureConnection = !target.password.empty();
} else {
remember = false;
}
}
{
auto lock = state.mutex.asScopedLock();
if (lock.lock(50 / portTICK_PERIOD_MS)) {
state.pauseAutoConnect = false;
}
}
LOG_I(TAG, "Connected to %s", target.ssid.c_str());
if (remember && !settings::save(target)) {
LOG_E(TAG, "Failed to store credentials");
}
} else {
// The pending connection attempt (which paused auto-connect via connect())
// failed; unpause so auto-connect can try other saved APs.
auto lock = state.mutex.asScopedLock();
if (lock.lock(50 / portTICK_PERIOD_MS)) {
state.pauseAutoConnect = false;
}
}
break;
default:
break;
}
}
void autoScanSetPaused(bool paused) {
LOG_I(TAG, "autoScanSetPaused(%d)", (int)paused);
state.externalScanPause = paused;
}
} // namespace
// region Public functions
RadioState getRadioState() {
if (!started || state.device == nullptr) {
return RadioState::Off;
}
WifiRadioState radio = WIFI_RADIO_STATE_OFF;
WifiStationState station = WIFI_STATION_STATE_DISCONNECTED;
wifi_get_radio_state(state.device, &radio);
wifi_get_station_state(state.device, &station);
return combineRadioState(radio, station);
}
std::string getConnectionTarget() {
RadioState radio_state = getRadioState();
if (radio_state != RadioState::ConnectionPending && radio_state != RadioState::ConnectionActive) {
return "";
}
char ssid[33] = {};
if (wifi_station_get_target_ssid(state.device, ssid) != ERROR_NONE) {
return "";
}
return { ssid };
}
void scan() {
LOG_I(TAG, "scan()");
if (!started || state.device == nullptr) return;
getMainDispatcher().dispatch([] { dispatchScan(); });
}
bool isScanning() {
if (!started || state.device == nullptr) return false;
return wifi_is_scanning(state.device);
}
void connect(const settings::WifiApSettings& ap, bool remember) {
LOG_I(TAG, "connect(%s, %d)", ap.ssid.c_str(), (int)remember);
if (!started || state.device == nullptr) return;
bool radio_off;
{
auto lock = state.mutex.asScopedLock();
if (!lock.lock(10 / portTICK_PERIOD_MS)) {
LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED);
return;
}
// Stop auto-connecting until the connection is established.
state.pauseAutoConnect = true;
state.connectionTarget = ap;
state.connectionTargetRemember = remember;
radio_off = !isRadioOn();
}
getMainDispatcher().dispatch([radio_off] {
if (radio_off) {
dispatchSetEnabled(true);
}
dispatchConnect();
});
}
void disconnect() {
LOG_I(TAG, "disconnect()");
if (!started || state.device == nullptr) return;
{
auto lock = state.mutex.asScopedLock();
if (!lock.lock(10 / portTICK_PERIOD_MS)) {
LOG_E(TAG, LOG_MESSAGE_MUTEX_LOCK_FAILED);
return;
}
state.connectionTarget = settings::WifiApSettings("", "");
// Manual disconnect (e.g. via app) should stop auto-connecting until a new connection is established.
state.pauseAutoConnect = true;
}
getMainDispatcher().dispatch([] { dispatchDisconnect(); });
}
void setAutoScanPaused(bool paused) {
autoScanSetPaused(paused);
}
void setScanRecords(uint16_t records) {
LOG_I(TAG, "setScanRecords(%u)", records);
if (!started) return;
auto lock = state.mutex.asScopedLock();
if (lock.lock(10 / portTICK_PERIOD_MS)) {
state.scanRecordLimit = records;
}
}
std::vector<WifiApRecord> getScanResults() {
std::vector<WifiApRecord> records;
if (!started || state.device == nullptr) return records;
records.resize(state.scanRecordLimit);
size_t count = records.size();
if (wifi_get_scan_results(state.device, records.data(), &count) != ERROR_NONE) {
records.clear();
return records;
}
records.resize(count);
return records;
}
void setEnabled(bool enabled) {
LOG_I(TAG, "setEnabled(%d)", (int)enabled);
if (!started || state.device == nullptr) return;
getMainDispatcher().dispatch([enabled] { dispatchSetEnabled(enabled); });
}
bool isConnectionSecure() {
return state.secureConnection;
}
int getRssi() {
if (!started || state.device == nullptr) return 1;
int32_t rssi = 0;
if (wifi_station_get_rssi(state.device, &rssi) == ERROR_NONE) {
return rssi;
}
return 1;
}
std::string getIp() {
if (!started || state.device == nullptr) return "";
char ipv4[16] = {};
if (wifi_station_get_ipv4_address(state.device, ipv4) != ERROR_NONE) {
return "";
}
return { ipv4 };
}
// endregion Public functions
namespace {
void onBootCompleted(struct SystemEvent* /*event*/, void* /*context*/) {
bootSplashInit();
}
class WifiService final : public Service {
public:
bool onStart(ServiceContext& /*service*/) override {
check(!started);
wifi_auto_scan_set_paused_function(autoScanSetPaused);
Device* wifi_device = nullptr;
if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) != ERROR_NONE) {
LOG_W(TAG, "No WiFi device found");
} else if (device_start(wifi_device) != ERROR_NONE) {
LOG_E(TAG, "Failed to start WiFi device");
device_put(wifi_device);
} else {
state.device = wifi_device;
if (!startWifiEventThread()) {
LOG_E(TAG, "Failed to subscribe to WiFi events");
}
}
if (system_event_callback_add(KERNEL_EVENT_BOOT_COMPLETED, onBootCompleted, nullptr) == ERROR_NONE) {
state.bootEventSubscribed = true;
}
auto timer_interval = std::min(2000, AUTO_SCAN_INTERVAL);
state.autoConnectTimer = std::make_unique<Timer>(Timer::Type::Periodic, timer_interval, [] { onAutoConnectTimer(); });
// We want to try and scan more often in case of startup or scan lock failure.
state.autoConnectTimer->start();
started = true;
return true;
}
void onStop(ServiceContext& /*service*/) override {
check(started);
started = false;
state.autoConnectTimer->stop();
state.autoConnectTimer = nullptr; // Must release as it holds a reference via its callback.
if (state.bootEventSubscribed) {
system_event_callback_remove(KERNEL_EVENT_BOOT_COMPLETED, onBootCompleted);
state.bootEventSubscribed = false;
}
if (state.device != nullptr) {
if (isRadioOn()) {
wifi_set_radio_off(state.device);
}
stopWifiEventThread();
device_stop(state.device);
device_put(state.device);
}
state.secureConnection = false;
state.pauseAutoConnect = false;
state.device = nullptr;
wifi_auto_scan_set_paused_function(nullptr);
}
};
} // namespace
extern const ServiceManifest manifest = {
.id = "tactility.wifi",
.createService = create<WifiService>
};
} // namespace tt::service::wifi

244
Tactility/Source/service/wifi/WifiApSettings.cpp
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@ -1,244 +0,0 @@
#include <Tactility/service/wifi/WifiPrivate.h>
#include <Tactility/service/wifi/WifiApSettings.h>
#include <Tactility/file/PropertiesFile.h>
#include <Tactility/file/File.h>
#include <crypt/crypt.h>
#include <Tactility/service/ServicePaths.h>
#include <tactility/log.h>
#include <cstring>
#include <format>
#include <iomanip>
#include <ranges>
#include <sstream>
#include <string>
namespace tt::service::wifi::settings {
constexpr auto* TAG = "WifiApSettings";
constexpr auto* AP_SETTINGS_FORMAT = "{}/{}.ap.properties";
constexpr auto* AP_PROPERTIES_KEY_SSID = "ssid";
constexpr auto* AP_PROPERTIES_KEY_PASSWORD = "password";
constexpr auto* AP_PROPERTIES_KEY_AUTO_CONNECT = "autoConnect";
constexpr auto* AP_PROPERTIES_KEY_CHANNEL = "channel";
std::string toHexString(const uint8_t *data, int length) {
std::stringstream stream;
stream << std::hex;
for( int i(0) ; i < length; ++i )
stream << std::setw(2) << std::setfill('0') << static_cast<int>(data[i]);
return stream.str();
}
bool readHex(const std::string& input, uint8_t* buffer, int length) {
if (input.size() / 2 != length) {
LOG_E(TAG, "readHex() length mismatch");
return false;
}
char hex[3] = { 0 };
for (int i = 0; i < length; i++) {
hex[0] = input[i * 2];
hex[1] = input[i * 2 + 1];
char* endptr;
buffer[i] = static_cast<uint8_t>(strtoul(hex, &endptr, 16));
}
return true;
}
// TODO: The SSID could contain invalid filename characters (e.g. "/", "\" and more) so we have to refactor this.
static std::string getApPropertiesFilePath(std::shared_ptr<ServicePaths> paths, const std::string& ssid) {
return std::format(AP_SETTINGS_FORMAT, paths->getUserDataDirectory(), ssid);
}
// The IV is derived from the SSID rather than the password/ciphertext, because the SSID is the one
// value that's known and identical at both encrypt time (save) and decrypt time (load).
static bool encrypt(const std::string& ssid, const std::string& plaintext, std::string& ciphertextOutput) {
uint8_t iv[16];
const auto length = plaintext.size();
constexpr size_t chunk_size = 16;
const auto encrypted_length = ((length / chunk_size) + (length % chunk_size ? 1 : 0)) * chunk_size;
// crypt_encrypt reads encrypted_length bytes, but plaintext.c_str() only guarantees length + 1 bytes,
// so pad the input into a zero-filled buffer of encrypted_length first to avoid reading past it.
auto* padded_plaintext = static_cast<uint8_t*>(calloc(encrypted_length, 1));
memcpy(padded_plaintext, plaintext.c_str(), length);
auto* buffer = static_cast<uint8_t*>(malloc(encrypted_length));
crypt_get_iv(ssid.c_str(), ssid.size(), iv);
if (crypt_encrypt(iv, padded_plaintext, buffer, encrypted_length) != 0) {
LOG_E(TAG, "Failed to encrypt");
free(padded_plaintext);
free(buffer);
return false;
}
free(padded_plaintext);
ciphertextOutput = toHexString(buffer, encrypted_length);
free(buffer);
return true;
}
static bool decrypt(const std::string& ssid, const std::string& ciphertextInput, std::string& plaintextOutput) {
assert(!ciphertextInput.empty());
assert(ciphertextInput.size() % 2 == 0);
auto* data = static_cast<uint8_t*>(malloc(ciphertextInput.size() / 2));
if (!readHex(ciphertextInput, data, ciphertextInput.size() / 2)) {
LOG_E(TAG, "Failed to read hex");
free(data);
return false;
}
uint8_t iv[16];
crypt_get_iv(ssid.c_str(), ssid.size(), iv);
auto result_length = ciphertextInput.size() / 2;
// Allocate correct length plus space for string null terminator
auto* result = static_cast<uint8_t*>(malloc(result_length + 1));
result[result_length] = 0;
int decrypt_result = crypt_decrypt(
iv,
data,
result,
ciphertextInput.size() / 2
);
free(data);
if (decrypt_result != 0) {
LOG_E(TAG, "Failed to decrypt credentials for \"%s\": %d", ssid.c_str(), decrypt_result);
free(result);
return false;
}
plaintextOutput = reinterpret_cast<char*>(result);
free(result);
return true;
}
bool contains(const std::string& ssid) {
auto service_context = findServiceContext();
if (service_context == nullptr) {
return false;
}
const auto file_path = getApPropertiesFilePath(service_context->getPaths(), ssid);
return file::isFile(file_path);
}
bool load(const std::string& ssid, WifiApSettings& apSettings) {
auto service_context = findServiceContext();
if (service_context == nullptr) {
LOG_E(TAG, "No service context");
return false;
}
const auto file_path = getApPropertiesFilePath(service_context->getPaths(), ssid);
if (!file::isFile(file_path)) {
LOG_E(TAG, "Not a file: %s", file_path.c_str());
return false;
}
std::map<std::string, std::string> map;
if (!file::loadPropertiesFile(file_path, map)) {
LOG_E(TAG, "Failed to load properties from %s", file_path.c_str());
return false;
}
// SSID is required
if (!map.contains(AP_PROPERTIES_KEY_SSID)) {
LOG_E(TAG, "File does not contain SSID: %s", file_path.c_str());
return false;
}
apSettings.ssid = map[AP_PROPERTIES_KEY_SSID];
assert(ssid == apSettings.ssid);
if (map.contains(AP_PROPERTIES_KEY_PASSWORD)) {
std::string password_decrypted;
const auto& encrypted_password = map[AP_PROPERTIES_KEY_PASSWORD];
if (encrypted_password.empty()) {
apSettings.password = "";
} else if (decrypt(ssid, encrypted_password, password_decrypted)) {
apSettings.password = password_decrypted;
} else {
LOG_E(TAG, "Failed to decrypt password from %s", file_path.c_str());
return false;
}
} else {
apSettings.password = "";
}
if (map.contains(AP_PROPERTIES_KEY_AUTO_CONNECT)) {
apSettings.autoConnect = (map[AP_PROPERTIES_KEY_AUTO_CONNECT] == "true");
} else {
apSettings.autoConnect = true;
}
if (map.contains(AP_PROPERTIES_KEY_CHANNEL)) {
apSettings.channel = std::stoi(map[AP_PROPERTIES_KEY_CHANNEL]);
} else {
apSettings.channel = 0;
}
return true;
}
bool save(const WifiApSettings& apSettings) {
if (apSettings.ssid.empty()) {
return false;
}
auto service_context = findServiceContext();
if (service_context == nullptr) {
return false;
}
const auto file_path = getApPropertiesFilePath(service_context->getPaths(), apSettings.ssid);
if (!file::findOrCreateParentDirectory(file_path, 0755)) {
LOG_E(TAG, "Failed to create %s", file_path.c_str());
return false;
}
std::map<std::string, std::string> map;
std::string password_encrypted;
if (!apSettings.password.empty()) {
if (!encrypt(apSettings.ssid, apSettings.password, password_encrypted)) {
return false;
}
} else {
password_encrypted = "";
}
map[AP_PROPERTIES_KEY_PASSWORD] = password_encrypted;
map[AP_PROPERTIES_KEY_SSID] = apSettings.ssid;
map[AP_PROPERTIES_KEY_AUTO_CONNECT] = apSettings.autoConnect ? "true" : "false";
map[AP_PROPERTIES_KEY_CHANNEL] = std::to_string(apSettings.channel);
return file::savePropertiesFile(file_path, map);
}
bool remove(const std::string& ssid) {
auto service_context = findServiceContext();
if (service_context == nullptr) {
return false;
}
const auto path = getApPropertiesFilePath(service_context->getPaths(), ssid);
if (!file::isFile(path)) {
return false;
}
return ::remove(path.c_str()) == 0;
}
}

146
Tactility/Source/service/wifi/WifiBootSplashInit.cpp
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@ -1,146 +0,0 @@
#include <Tactility/service/wifi/WifiBootSplashInit.h>
#include "Tactility/service/wifi/Wifi.h"
#include "Tactility/service/wifi/WifiSettings.h"
#include <Tactility/file/PropertiesFile.h>
#include <Tactility/MountPoints.h>
#include <Tactility/file/File.h>
#include <Tactility/service/wifi/WifiApSettings.h>
#include <Tactility/DeprecatedPaths.h>
#include <Tactility/Tactility.h>
#include <tactility/log.h>
#include <dirent.h>
#include <format>
#include <map>
#include <string>
#include <vector>
namespace tt::service::wifi {
constexpr auto* TAG = "WifiBootSplashInit";
constexpr auto* AP_PROPERTIES_KEY_SSID = "ssid";
constexpr auto* AP_PROPERTIES_KEY_PASSWORD = "password";
constexpr auto* AP_PROPERTIES_KEY_AUTO_CONNECT = "autoConnect";
constexpr auto* AP_PROPERTIES_KEY_CHANNEL = "channel";
constexpr auto* AP_PROPERTIES_KEY_AUTO_REMOVE = "autoRemovePropertiesFile";
struct ApProperties {
std::string ssid;
std::string password;
bool autoConnect;
int32_t channel;
bool autoRemovePropertiesFile;
};
static void importWifiAp(const std::string& filePath) {
std::map<std::string, std::string> map;
if (!file::loadPropertiesFile(filePath, map)) {
LOG_E(TAG, "Failed to load AP properties at %s", filePath.c_str());
return;
}
const auto ssid_iterator = map.find(AP_PROPERTIES_KEY_SSID);
if (ssid_iterator == map.end()) {
LOG_E(TAG, "%s is missing ssid", filePath.c_str());
return;
}
const auto ssid = ssid_iterator->second;
if (!settings::contains(ssid)) {
const auto password_iterator = map.find(AP_PROPERTIES_KEY_PASSWORD);
const auto password = password_iterator == map.end() ? "" : password_iterator->second;
const auto auto_connect_iterator = map.find(AP_PROPERTIES_KEY_AUTO_CONNECT);
const auto auto_connect = auto_connect_iterator == map.end() ? true : (auto_connect_iterator->second == "true");
const auto channel_iterator = map.find(AP_PROPERTIES_KEY_CHANNEL);
const auto channel = channel_iterator == map.end() ? 0 : std::stoi(channel_iterator->second);
settings::WifiApSettings settings(
ssid,
password,
auto_connect,
channel
);
if (!settings::save(settings)) {
LOG_E(TAG, "Failed to save settings for %s", ssid.c_str());
} else {
LOG_I(TAG, "Imported %s from %s", ssid.c_str(), filePath.c_str());
}
}
const auto auto_remove_iterator = map.find(AP_PROPERTIES_KEY_AUTO_REMOVE);
if (auto_remove_iterator != map.end() && auto_remove_iterator->second == "true") {
if (!remove(filePath.c_str())) {
LOG_E(TAG, "Failed to auto-remove %s", filePath.c_str());
} else {
LOG_I(TAG, "Auto-removed %s", filePath.c_str());
}
}
}
static void importWifiApSettingsFromDir(const std::string& path) {
std::vector<dirent> dirent_list;
if (file::scandir(path, dirent_list, [](const dirent* entry) {
switch (entry->d_type) {
case file::TT_DT_DIR:
case file::TT_DT_CHR:
case file::TT_DT_LNK:
return -1;
case file::TT_DT_REG:
default: {
std::string name = entry->d_name;
if (name.ends_with(".ap.properties")) {
return 0;
} else {
return -1;
}
}
}
}, nullptr) == 0) {
// keep original behavior: if scandir returns 0, give up silently
return;
}
if (dirent_list.empty()) {
LOG_W(TAG, "No AP files found at %s", path.c_str());
return;
}
for (auto& dirent : dirent_list) {
std::string absolute_path = std::format("{}/{}", path, dirent.d_name);
importWifiAp(absolute_path);
}
}
void bootSplashInit() {
LOG_I(TAG, "bootSplashInit dispatch");
getMainDispatcher().dispatch([] {
LOG_I(TAG, "bootSplashInit dispatch begin");
// Import any provisioning files placed on the system data partition.
const std::string provisioning_path = file::getChildPath(getDataPath(), "provisioning");
if (file::isDirectory(provisioning_path)) {
importWifiApSettingsFromDir(provisioning_path);
} else {
LOG_I(TAG, "Skip provisioning: no files at %s", provisioning_path.c_str());
}
// Dispatch WiFi on
if (settings::shouldEnableOnBoot()) {
LOG_I(TAG, "Auto-enabling WiFi");
getMainDispatcher().dispatch([] -> void { setEnabled(true); });
}
LOG_I(TAG, "bootSplashInit dispatch end");
});
}
}

84
Tactility/Source/service/wifi/WifiSettings.cpp
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@ -1,84 +0,0 @@
#include <Tactility/service/wifi/WifiSettings.h>
#include <Tactility/file/File.h>
#include <Tactility/file/PropertiesFile.h>
#include <Tactility/service/ServicePaths.h>
#include <Tactility/service/wifi/WifiPrivate.h>
#include <tactility/log.h>
namespace tt::service::wifi::settings {
constexpr auto* TAG = "WifiSettings";
constexpr auto* SETTINGS_KEY_ENABLE_ON_BOOT = "enableOnBoot";
struct WifiSettings {
bool enableOnBoot;
};
static WifiSettings cachedSettings {
.enableOnBoot = false
};
static bool cached = false;
static bool hasWifiSettingsFile(std::shared_ptr<ServiceContext> context) {
std::string settings_path = context->getPaths()->getUserDataPath("settings.properties");
return file::isFile(settings_path);
}
static bool load(std::shared_ptr<ServiceContext> context, WifiSettings& settings) {
std::map<std::string, std::string> map;
std::string settings_path = context->getPaths()->getUserDataPath("settings.properties");
if (!file::loadPropertiesFile(settings_path, map)) {
return false;
}
if (!map.contains(SETTINGS_KEY_ENABLE_ON_BOOT)) {
return false;
}
auto enable_on_boot_string = map[SETTINGS_KEY_ENABLE_ON_BOOT];
settings.enableOnBoot = (enable_on_boot_string == "true");
return true;
}
static bool save(std::shared_ptr<ServiceContext> context, const WifiSettings& settings) {
std::map<std::string, std::string> map;
map[SETTINGS_KEY_ENABLE_ON_BOOT] = settings.enableOnBoot ? "true" : "false";
std::string settings_path = context->getPaths()->getUserDataPath("settings.properties");
if (!file::findOrCreateParentDirectory(settings_path, 0755)) {
LOG_E(TAG, "Failed to create %s", settings_path.c_str());
return false;
}
return file::savePropertiesFile(settings_path, map);
}
WifiSettings getCachedOrLoad() {
if (!cached) {
auto context = findServiceContext();
if (context && hasWifiSettingsFile(context)) {
if (load(context, cachedSettings)) {
cached = true;
} else {
LOG_I(TAG, "Failed to load settings, using defaults");
}
}
}
return cachedSettings;
}
void setEnableOnBoot(bool enable) {
cachedSettings.enableOnBoot = enable;
auto context = findServiceContext();
if (context && !save(context, cachedSettings)) {
LOG_E(TAG, "Failed to save settings");
}
}
bool shouldEnableOnBoot() {
return getCachedOrLoad().enableOnBoot;
}
} // namespace

1
Tactility/Tests/CMakeLists.txt
View File

@ -56,6 +56,7 @@ target_link_libraries(TactilityTests PRIVATE
gps-generic-module
gps-meshtastic-module
service-module
wifi-module
lv_screenshot
minitar
lvgl

10
TactilityKernel/include/tactility/wifi_auto_scan.h
View File

@ -8,17 +8,17 @@ extern "C" {
#endif
/**
* @brief Suspend or resume WifiService's periodic background auto-connect scan.
* @brief Suspend or resume the wifi-module's periodic background auto-connect scan.
*
* Not a device operation - see tactility/drivers/wifi.h for the actual radio API. This exists
* for narrow, short-lived windows where any WiFi/co-processor traffic would be unsafe (e.g. a
* known co-processor reboot in progress during an OTA update) - callers must resume when done.
* Independent of WifiService's own internal connect()/disconnect() pause bookkeeping: it is
* Independent of wifi_autoconnect_pause_until_connected(): it is
* never cleared implicitly by a connection succeeding/failing or the radio being enabled, only a
* matching wifi_auto_scan_set_paused(false) clears it.
*
* The real implementation lives in the Tactility WiFi service
* (Tactility/Source/service/wifi/Wifi.cpp), a layer above TactilityKernel - TactilityKernel
* The real implementation lives in the wifi-module's auto-connect service
* (Modules/wifi-module/source/wifi_autoconnect.cpp), a layer above TactilityKernel - TactilityKernel
* can't call up into it directly (and mustn't link against it: TactilityKernelTests links
* TactilityKernel alone, without Tactility). Tactility registers its implementation at startup
* via wifi_auto_scan_set_paused_function(); until then (or on a build that never links Tactility, e.g. a
@ -29,7 +29,7 @@ extern "C" {
*/
void wifi_auto_scan_set_paused(bool paused);
/** @brief Register the real implementation. Called once by the Tactility WiFi service. */
/** @brief Register the real implementation. Called by the wifi-module auto-connect service. */
void wifi_auto_scan_set_paused_function(void (*set_paused)(bool paused));
#ifdef __cplusplus

4
Tests/SdkIntegration/tactility.py Normal file → Executable file
View File

@ -1,3 +1,5 @@
#!/usr/bin/env python3
import json
import os
import re
@ -12,7 +14,7 @@ import tarfile
from urllib.parse import urlparse
ttbuild_path = ".tactility"
ttbuild_version = "6.0.0"
ttbuild_version = "6.1.0"
ttbuild_cdn = "https://cdn.tactilityproject.org"
ttbuild_sdk_json_validity = 3600 # seconds
ttport = 6666