unleashed-firmware/applications/settings/expansion_settings_app/expansion_settings_app.c
Georgii Surkov e6f078eeb7
[FL-3759] Fix expansion protocol crash when fed lots of garbage (#3409)
* Fix crash caused by garbage input
* Add unit tests for garbage input
* Enable applications to disable and then restore expansion module support
* GPIO App: disable expansion on app start and re-enable on exit

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2024-01-30 22:54:25 +09:00

91 lines
2.8 KiB
C

#include "expansion_settings_app.h"
static const char* const expansion_uart_text[] = {
"USART",
"LPUART",
"None",
};
static void expansion_settings_app_uart_changed(VariableItem* item) {
ExpansionSettingsApp* app = variable_item_get_context(item);
const uint8_t index = variable_item_get_current_value_index(item);
variable_item_set_current_value_text(item, expansion_uart_text[index]);
app->settings.uart_index = index;
if(index < FuriHalSerialIdMax) {
expansion_set_listen_serial(app->expansion, index);
} else {
expansion_disable(app->expansion);
}
}
static uint32_t expansion_settings_app_exit(void* context) {
UNUSED(context);
return VIEW_NONE;
}
static ExpansionSettingsApp* expansion_settings_app_alloc() {
ExpansionSettingsApp* app = malloc(sizeof(ExpansionSettingsApp));
if(!expansion_settings_load(&app->settings)) {
expansion_settings_save(&app->settings);
}
app->gui = furi_record_open(RECORD_GUI);
app->expansion = furi_record_open(RECORD_EXPANSION);
app->view_dispatcher = view_dispatcher_alloc();
view_dispatcher_enable_queue(app->view_dispatcher);
view_dispatcher_set_event_callback_context(app->view_dispatcher, app);
view_dispatcher_attach_to_gui(app->view_dispatcher, app->gui, ViewDispatcherTypeFullscreen);
app->var_item_list = variable_item_list_alloc();
VariableItem* item;
uint8_t value_index;
item = variable_item_list_add(
app->var_item_list,
"Listen UART",
COUNT_OF(expansion_uart_text),
expansion_settings_app_uart_changed,
app);
value_index = app->settings.uart_index;
variable_item_set_current_value_index(item, value_index);
variable_item_set_current_value_text(item, expansion_uart_text[value_index]);
view_set_previous_callback(
variable_item_list_get_view(app->var_item_list), expansion_settings_app_exit);
view_dispatcher_add_view(
app->view_dispatcher,
ExpansionSettingsViewVarItemList,
variable_item_list_get_view(app->var_item_list));
view_dispatcher_switch_to_view(app->view_dispatcher, ExpansionSettingsViewVarItemList);
return app;
}
static void expansion_settings_app_free(ExpansionSettingsApp* app) {
furi_assert(app);
expansion_settings_save(&app->settings);
view_dispatcher_remove_view(app->view_dispatcher, ExpansionSettingsViewVarItemList);
variable_item_list_free(app->var_item_list);
view_dispatcher_free(app->view_dispatcher);
furi_record_close(RECORD_EXPANSION);
furi_record_close(RECORD_GUI);
free(app);
}
int32_t expansion_settings_app(void* p) {
UNUSED(p);
ExpansionSettingsApp* app = expansion_settings_app_alloc();
view_dispatcher_run(app->view_dispatcher);
expansion_settings_app_free(app);
return 0;
}