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unleashed-firmware/applications/plugins/playlist/playlist.c

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#include <furi.h>
#include <gui/gui.h>
#include <input/input.h>
#include <dialogs/dialogs.h>
#include <storage/storage.h>
#include <lib/toolbox/path.h>
#include <assets_icons.h>
#include <flipper_format/flipper_format_i.h>
#include <applications/main/subghz/subghz_i.h>
#include "flipper_format_stream.h"
#include "flipper_format_stream_i.h"
#include <lib/subghz/transmitter.h>
#include <lib/subghz/protocols/raw.h>
#include "playlist_file.h"
#include "canvas_helper.h"
#define PLAYLIST_FOLDER "/ext/subplaylist"
#define PLAYLIST_EXT ".txt"
#define TAG "Playlist"
#define STATE_NONE 0
#define STATE_OVERVIEW 1
#define STATE_SENDING 2
#define WIDTH 128
#define HEIGHT 64
typedef struct {
int current_count; // number of processed files
int total_count; // number of items in the playlist
int playlist_repetitions; // number of times to repeat the whole playlist
int current_playlist_repetition; // current playlist repetition
// last 3 files
FuriString* prev_0_path; // current file
FuriString* prev_1_path; // previous file
FuriString* prev_2_path; // previous previous file
FuriString* prev_3_path; // you get the idea
int state; // current state
ViewPort* view_port;
} DisplayMeta;
typedef struct {
FuriThread* thread;
Storage* storage;
FlipperFormat* format;
DisplayMeta* meta;
FuriString* file_path; // path to the playlist file
bool ctl_request_exit; // can be set to true if the worker should exit
bool ctl_pause; // can be set to true if the worker should pause
bool is_running; // indicates if the worker is running
} PlaylistWorker;
typedef struct {
FuriMutex* mutex;
FuriMessageQueue* input_queue;
ViewPort* view_port;
Gui* gui;
DisplayMeta* meta;
PlaylistWorker* worker;
FuriString* file_path; // Path to the playlist file
} Playlist;
////////////////////////////////////////////////////////////////////////////////
void meta_set_state(DisplayMeta* meta, int state) {
meta->state = state;
view_port_update(meta->view_port);
}
static FuriHalSubGhzPreset str_to_preset(FuriString* preset) {
if(furi_string_cmp_str(preset, "FuriHalSubGhzPresetOok270Async") == 0) {
return FuriHalSubGhzPresetOok270Async;
}
if(furi_string_cmp_str(preset, "FuriHalSubGhzPresetOok650Async") == 0) {
return FuriHalSubGhzPresetOok650Async;
}
if(furi_string_cmp_str(preset, "FuriHalSubGhzPreset2FSKDev238Async") == 0) {
return FuriHalSubGhzPreset2FSKDev238Async;
}
if(furi_string_cmp_str(preset, "FuriHalSubGhzPreset2FSKDev476Async") == 0) {
return FuriHalSubGhzPreset2FSKDev476Async;
}
if(furi_string_cmp_str(preset, "FuriHalSubGhzPresetMSK99_97KbAsync") == 0) {
return FuriHalSubGhzPresetMSK99_97KbAsync;
}
if(furi_string_cmp_str(preset, "FuriHalSubGhzPresetMSK99_97KbAsync") == 0) {
return FuriHalSubGhzPresetMSK99_97KbAsync;
}
return FuriHalSubGhzPresetCustom;
}
// -4: missing protocol
// -3: missing preset
// -2: transmit error
// -1: error
// 0: ok
// 1: resend
// 2: exited
static int playlist_worker_process(
PlaylistWorker* worker,
FlipperFormat* fff_file,
FlipperFormat* fff_data,
const char* path,
FuriString* preset,
FuriString* protocol) {
// actual sending of .sub file
if(!flipper_format_file_open_existing(fff_file, path)) {
FURI_LOG_E(TAG, " (TX) Failed to open %s", path);
return -1;
}
// read frequency or default to 433.92MHz
uint32_t frequency = 0;
if(!flipper_format_read_uint32(fff_file, "Frequency", &frequency, 1)) {
FURI_LOG_W(TAG, " (TX) Missing Frequency, defaulting to 433.92MHz");
frequency = 433920000;
}
if(!furi_hal_subghz_is_tx_allowed(frequency)) {
return -2;
}
// check if preset is present
if(!flipper_format_read_string(fff_file, "Preset", preset)) {
FURI_LOG_E(TAG, " (TX) Missing Preset");
return -3;
}
// check if protocol is present
if(!flipper_format_read_string(fff_file, "Protocol", protocol)) {
FURI_LOG_E(TAG, " (TX) Missing Protocol");
return -4;
}
if(!furi_string_cmp_str(protocol, "RAW")) {
subghz_protocol_raw_gen_fff_data(fff_data, path);
} else {
stream_copy_full(
flipper_format_get_raw_stream(fff_file), flipper_format_get_raw_stream(fff_data));
}
flipper_format_free(fff_file);
// (try to) send file
SubGhzEnvironment* environment = subghz_environment_alloc();
SubGhzTransmitter* transmitter =
subghz_transmitter_alloc_init(environment, furi_string_get_cstr(protocol));
subghz_transmitter_deserialize(transmitter, fff_data);
furi_hal_subghz_reset();
furi_hal_subghz_load_preset(str_to_preset(preset));
frequency = furi_hal_subghz_set_frequency_and_path(frequency);
FURI_LOG_D(TAG, " (TX) Start sending ...");
int status = 0;
furi_hal_subghz_start_async_tx(subghz_transmitter_yield, transmitter);
while(!furi_hal_subghz_is_async_tx_complete()) {
if(worker->ctl_request_exit) {
FURI_LOG_D(TAG, " (TX) Requested to exit. Cancelling sending...");
status = 2;
break;
}
if(worker->ctl_pause) {
FURI_LOG_D(TAG, " (TX) Requested to pause. Cancelling and resending...");
status = 1;
break;
}
furi_delay_ms(50);
}
FURI_LOG_D(TAG, " (TX) Done sending.");
furi_hal_subghz_stop_async_tx();
furi_hal_subghz_sleep();
subghz_transmitter_free(transmitter);
return status;
}
// true - the worker can continue
// false - the worker should exit
static bool playlist_worker_wait_pause(PlaylistWorker* worker) {
// wait if paused
while(worker->ctl_pause && !worker->ctl_request_exit) {
furi_delay_ms(50);
}
// exit loop if requested to stop
if(worker->ctl_request_exit) {
FURI_LOG_D(TAG, "Requested to exit. Exiting loop...");
return false;
}
return true;
}
static bool playlist_worker_play_playlist_once(
PlaylistWorker* worker,
Storage* storage,
FlipperFormat* fff_head,
FlipperFormat* fff_data,
FuriString* data,
FuriString* preset,
FuriString* protocol) {
//
if(!flipper_format_rewind(fff_head)) {
FURI_LOG_E(TAG, "Failed to rewind file");
return false;
}
while(flipper_format_read_string(fff_head, "sub", data)) {
if(!playlist_worker_wait_pause(worker)) {
break;
}
// update state to sending
meta_set_state(worker->meta, STATE_SENDING);
++worker->meta->current_count;
const char* str = furi_string_get_cstr(data);
// it's not fancy, but it works for now :)
furi_string_reset(worker->meta->prev_3_path);
furi_string_set(
worker->meta->prev_3_path, furi_string_get_cstr(worker->meta->prev_2_path));
furi_string_reset(worker->meta->prev_2_path);
furi_string_set(
worker->meta->prev_2_path, furi_string_get_cstr(worker->meta->prev_1_path));
furi_string_reset(worker->meta->prev_1_path);
furi_string_set(
worker->meta->prev_1_path, furi_string_get_cstr(worker->meta->prev_0_path));
furi_string_reset(worker->meta->prev_0_path);
furi_string_set(worker->meta->prev_0_path, str);
view_port_update(worker->meta->view_port);
for(int i = 0; i < 1; i++) {
if(!playlist_worker_wait_pause(worker)) {
break;
}
view_port_update(worker->meta->view_port);
FURI_LOG_D(TAG, "(worker) Sending %s", str);
FlipperFormat* fff_file = flipper_format_file_alloc(storage);
int status =
playlist_worker_process(worker, fff_file, fff_data, str, preset, protocol);
// if there was an error, fff_file is not already freed
if(status < 0) {
flipper_format_free(fff_file);
}
// re-send file is paused mid-send
if(status == 1) {
i -= 1;
// errored, skip to next file
} else if(status < 0) {
break;
// exited, exit loop
} else if(status == 2) {
return false;
}
}
} // end of loop
return true;
}
static int32_t playlist_worker_thread(void* ctx) {
Storage* storage = furi_record_open(RECORD_STORAGE);
FlipperFormat* fff_head = flipper_format_file_alloc(storage);
PlaylistWorker* worker = ctx;
if(!flipper_format_file_open_existing(fff_head, furi_string_get_cstr(worker->file_path))) {
FURI_LOG_E(TAG, "Failed to open %s", furi_string_get_cstr(worker->file_path));
worker->is_running = false;
furi_record_close(RECORD_STORAGE);
flipper_format_free(fff_head);
return 0;
}
playlist_worker_wait_pause(worker);
FlipperFormat* fff_data = flipper_format_string_alloc();
FuriString* data;
FuriString* preset;
FuriString* protocol;
data = furi_string_alloc();
preset = furi_string_alloc();
protocol = furi_string_alloc();
for(int i = 0; i < MAX(1, worker->meta->playlist_repetitions); i++) {
// infinite repetitions if playlist_repetitions is 0
if(worker->meta->playlist_repetitions <= 0) {
--i;
}
++worker->meta->current_playlist_repetition;
// send playlist
worker->meta->current_count = 0;
if(worker->ctl_request_exit) {
break;
}
FURI_LOG_D(
TAG,
"Sending playlist (i %d rep %d b %d)",
i,
worker->meta->current_playlist_repetition,
worker->meta->playlist_repetitions);
if(!playlist_worker_play_playlist_once(
worker, storage, fff_head, fff_data, data, preset, protocol)) {
break;
}
}
furi_record_close(RECORD_STORAGE);
flipper_format_free(fff_head);
furi_string_free(data);
furi_string_free(preset);
furi_string_free(protocol);
flipper_format_free(fff_data);
FURI_LOG_D(TAG, "Done reading. Read %d data lines.", worker->meta->current_count);
worker->is_running = false;
// update state to overview
meta_set_state(worker->meta, STATE_OVERVIEW);
return 0;
}
////////////////////////////////////////////////////////////////////////////////
void playlist_meta_reset(DisplayMeta* instance) {
instance->current_count = 0;
instance->current_playlist_repetition = 0;
furi_string_reset(instance->prev_0_path);
furi_string_reset(instance->prev_1_path);
furi_string_reset(instance->prev_2_path);
furi_string_reset(instance->prev_3_path);
}
DisplayMeta* playlist_meta_alloc() {
DisplayMeta* instance = malloc(sizeof(DisplayMeta));
instance->prev_0_path = furi_string_alloc();
instance->prev_1_path = furi_string_alloc();
instance->prev_2_path = furi_string_alloc();
instance->prev_3_path = furi_string_alloc();
playlist_meta_reset(instance);
instance->state = STATE_NONE;
instance->playlist_repetitions = 1;
return instance;
}
void playlist_meta_free(DisplayMeta* instance) {
furi_string_free(instance->prev_0_path);
furi_string_free(instance->prev_1_path);
furi_string_free(instance->prev_2_path);
furi_string_free(instance->prev_3_path);
free(instance);
}
////////////////////////////////////////////////////////////////////////////////
PlaylistWorker* playlist_worker_alloc(DisplayMeta* meta) {
PlaylistWorker* instance = malloc(sizeof(PlaylistWorker));
instance->thread = furi_thread_alloc();
furi_thread_set_name(instance->thread, "PlaylistWorker");
furi_thread_set_stack_size(instance->thread, 2048);
furi_thread_set_context(instance->thread, instance);
furi_thread_set_callback(instance->thread, playlist_worker_thread);
instance->meta = meta;
instance->ctl_pause = true; // require the user to manually start the worker
instance->file_path = furi_string_alloc();
return instance;
}
void playlist_worker_free(PlaylistWorker* instance) {
furi_assert(instance);
furi_thread_free(instance->thread);
furi_string_free(instance->file_path);
free(instance);
}
void playlist_worker_stop(PlaylistWorker* worker) {
furi_assert(worker);
furi_assert(worker->is_running);
worker->ctl_request_exit = true;
furi_thread_join(worker->thread);
}
bool playlist_worker_running(PlaylistWorker* worker) {
furi_assert(worker);
return worker->is_running;
}
void playlist_worker_start(PlaylistWorker* instance, const char* file_path) {
furi_assert(instance);
furi_assert(!instance->is_running);
furi_string_set(instance->file_path, file_path);
instance->is_running = true;
// reset meta (current/total)
playlist_meta_reset(instance->meta);
FURI_LOG_D(TAG, "Starting thread...");
furi_thread_start(instance->thread);
}
////////////////////////////////////////////////////////////////////////////////
static void render_callback(Canvas* canvas, void* ctx) {
Playlist* app = ctx;
furi_check(furi_mutex_acquire(app->mutex, FuriWaitForever) == FuriStatusOk);
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontSecondary);
FuriString* temp_str;
temp_str = furi_string_alloc();
switch(app->meta->state) {
case STATE_NONE:
canvas_set_font(canvas, FontPrimary);
canvas_draw_str_aligned(
canvas, WIDTH / 2, HEIGHT / 2, AlignCenter, AlignCenter, "No playlist loaded");
break;
case STATE_OVERVIEW:
// draw file name
{
path_extract_filename(app->file_path, temp_str, true);
canvas_set_font(canvas, FontPrimary);
draw_centered_boxed_str(canvas, 1, 1, 15, 6, furi_string_get_cstr(temp_str));
}
canvas_set_font(canvas, FontSecondary);
// draw loaded count
{
furi_string_printf(temp_str, "%d Items in playlist", app->meta->total_count);
canvas_draw_str_aligned(
canvas, 1, 19, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
if(app->meta->playlist_repetitions <= 0) {
furi_string_set(temp_str, "Repeat: inf");
} else if(app->meta->playlist_repetitions == 1) {
furi_string_set(temp_str, "Repeat: no");
} else {
furi_string_printf(temp_str, "Repeat: %dx", app->meta->playlist_repetitions);
}
canvas_draw_str_aligned(
canvas, 1, 29, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
}
// draw buttons
draw_corner_aligned(canvas, 40, 15, AlignCenter, AlignBottom);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(canvas, WIDTH / 2 - 7, HEIGHT - 11, AlignLeft, AlignTop, "Start");
canvas_draw_disc(canvas, WIDTH / 2 - 14, HEIGHT - 8, 3);
//
canvas_set_color(canvas, ColorBlack);
draw_corner_aligned(canvas, 20, 15, AlignLeft, AlignBottom);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(canvas, 4, HEIGHT - 11, AlignLeft, AlignTop, "R-");
//
canvas_set_color(canvas, ColorBlack);
draw_corner_aligned(canvas, 20, 15, AlignRight, AlignBottom);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(canvas, WIDTH - 4, HEIGHT - 11, AlignRight, AlignTop, "R+");
canvas_set_color(canvas, ColorBlack);
break;
case STATE_SENDING:
canvas_set_color(canvas, ColorBlack);
if(app->worker->ctl_pause) {
canvas_draw_icon(canvas, 2, HEIGHT - 8, &I_ButtonRight_4x7);
} else {
canvas_draw_box(canvas, 2, HEIGHT - 8, 2, 7);
canvas_draw_box(canvas, 5, HEIGHT - 8, 2, 7);
}
// draw progress text
{
canvas_set_font(canvas, FontSecondary);
furi_string_printf(
temp_str, "[%d/%d]", app->meta->current_count, app->meta->total_count);
canvas_draw_str_aligned(
canvas, 11, HEIGHT - 8, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
int h = canvas_string_width(canvas, furi_string_get_cstr(temp_str));
int xs = 11 + h + 2;
int w = WIDTH - xs - 1;
canvas_draw_box(canvas, xs, HEIGHT - 5, w, 1);
float progress = (float)app->meta->current_count / (float)app->meta->total_count;
int wp = (int)(progress * w);
canvas_draw_box(canvas, xs + wp - 1, HEIGHT - 7, 2, 5);
}
{
if(app->meta->playlist_repetitions <= 0) {
furi_string_printf(temp_str, "[%d/Inf]", app->meta->current_playlist_repetition);
} else {
furi_string_printf(
temp_str,
"[%d/%d]",
app->meta->current_playlist_repetition,
app->meta->playlist_repetitions);
}
canvas_set_color(canvas, ColorBlack);
int w = canvas_string_width(canvas, furi_string_get_cstr(temp_str));
draw_corner_aligned(canvas, w + 6, 13, AlignRight, AlignTop);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, WIDTH - 3, 3, AlignRight, AlignTop, furi_string_get_cstr(temp_str));
}
// draw last and current file
{
canvas_set_color(canvas, ColorBlack);
canvas_set_font(canvas, FontSecondary);
// current
if(!furi_string_empty(app->meta->prev_0_path)) {
path_extract_filename(app->meta->prev_0_path, temp_str, true);
int w = canvas_string_width(canvas, furi_string_get_cstr(temp_str));
canvas_set_color(canvas, ColorBlack);
canvas_draw_rbox(canvas, 1, 1, w + 4, 12, 2);
canvas_set_color(canvas, ColorWhite);
canvas_draw_str_aligned(
canvas, 3, 3, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
}
// last 3
canvas_set_color(canvas, ColorBlack);
if(!furi_string_empty(app->meta->prev_1_path)) {
path_extract_filename(app->meta->prev_1_path, temp_str, true);
canvas_draw_str_aligned(
canvas, 3, 15, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
}
if(!furi_string_empty(app->meta->prev_2_path)) {
path_extract_filename(app->meta->prev_2_path, temp_str, true);
canvas_draw_str_aligned(
canvas, 3, 26, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
}
if(!furi_string_empty(app->meta->prev_3_path)) {
path_extract_filename(app->meta->prev_3_path, temp_str, true);
canvas_draw_str_aligned(
canvas, 3, 37, AlignLeft, AlignTop, furi_string_get_cstr(temp_str));
}
}
break;
}
furi_string_free(temp_str);
furi_mutex_release(app->mutex);
}
static void input_callback(InputEvent* event, void* ctx) {
Playlist* app = ctx;
furi_message_queue_put(app->input_queue, event, 0);
}
////////////////////////////////////////////////////////////////////////////////
Playlist* playlist_alloc(DisplayMeta* meta) {
Playlist* app = malloc(sizeof(Playlist));
app->file_path = furi_string_alloc();
furi_string_set(app->file_path, PLAYLIST_FOLDER);
app->meta = meta;
app->worker = NULL;
app->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
app->input_queue = furi_message_queue_alloc(32, sizeof(InputEvent));
// view port
app->view_port = view_port_alloc();
view_port_draw_callback_set(app->view_port, render_callback, app);
view_port_input_callback_set(app->view_port, input_callback, app);
// gui
app->gui = furi_record_open(RECORD_GUI);
gui_add_view_port(app->gui, app->view_port, GuiLayerFullscreen);
return app;
}
void playlist_start_worker(Playlist* app, DisplayMeta* meta) {
app->worker = playlist_worker_alloc(meta);
// count playlist items
Storage* storage = furi_record_open(RECORD_STORAGE);
app->meta->total_count =
playlist_count_playlist_items(storage, furi_string_get_cstr(app->file_path));
furi_record_close(RECORD_STORAGE);
// start thread
playlist_worker_start(app->worker, furi_string_get_cstr(app->file_path));
}
void playlist_free(Playlist* app) {
furi_string_free(app->file_path);
gui_remove_view_port(app->gui, app->view_port);
furi_record_close(RECORD_GUI);
view_port_free(app->view_port);
furi_message_queue_free(app->input_queue);
furi_mutex_free(app->mutex);
playlist_meta_free(app->meta);
free(app);
}
int32_t playlist_app(void* p) {
UNUSED(p);
// create playlist folder
{
Storage* storage = furi_record_open(RECORD_STORAGE);
if(!storage_simply_mkdir(storage, PLAYLIST_FOLDER)) {
FURI_LOG_E(TAG, "Could not create folder %s", PLAYLIST_FOLDER);
}
furi_record_close(RECORD_STORAGE);
}
// create app
DisplayMeta* meta = playlist_meta_alloc();
Playlist* app = playlist_alloc(meta);
meta->view_port = app->view_port;
furi_hal_power_suppress_charge_enter();
// select playlist file
{
DialogsApp* dialogs = furi_record_open(RECORD_DIALOGS);
DialogsFileBrowserOptions browser_options;
dialog_file_browser_set_basic_options(&browser_options, PLAYLIST_EXT, &I_sub1_10px);
browser_options.hide_ext = false;
const bool res =
dialog_file_browser_show(dialogs, app->file_path, app->file_path, &browser_options);
furi_record_close(RECORD_DIALOGS);
// check if a file was selected
if(!res) {
FURI_LOG_E(TAG, "No file selected");
goto exit_cleanup;
}
}
////////////////////////////////////////////////////////////////////////////////
playlist_start_worker(app, meta);
meta_set_state(app->meta, STATE_OVERVIEW);
bool exit_loop = false;
InputEvent input;
while(1) { // close application if no file was selected
furi_check(
furi_message_queue_get(app->input_queue, &input, FuriWaitForever) == FuriStatusOk);
switch(input.key) {
case InputKeyLeft:
if(app->meta->state == STATE_OVERVIEW) {
if(input.type == InputTypeShort && app->meta->playlist_repetitions > 0) {
--app->meta->playlist_repetitions;
}
}
break;
case InputKeyRight:
if(app->meta->state == STATE_OVERVIEW) {
if(input.type == InputTypeShort) {
++app->meta->playlist_repetitions;
}
}
break;
case InputKeyOk:
if(input.type == InputTypeShort) {
// toggle pause state
if(!app->worker->is_running) {
app->worker->ctl_pause = false;
app->worker->ctl_request_exit = false;
playlist_worker_start(app->worker, furi_string_get_cstr(app->file_path));
} else {
app->worker->ctl_pause = !app->worker->ctl_pause;
}
}
break;
case InputKeyBack:
FURI_LOG_D(TAG, "Pressed Back button. Application will exit");
exit_loop = true;
break;
default:
break;
}
furi_mutex_release(app->mutex);
// exit application
if(exit_loop == true) {
break;
}
view_port_update(app->view_port);
}
exit_cleanup:
furi_hal_power_suppress_charge_exit();
if(app->worker != NULL) {
if(playlist_worker_running(app->worker)) {
FURI_LOG_D(TAG, "Thread is still running. Requesting thread to finish ...");
playlist_worker_stop(app->worker);
}
FURI_LOG_D(TAG, "Freeing Worker ...");
playlist_worker_free(app->worker);
}
FURI_LOG_D(TAG, "Freeing Playlist ...");
playlist_free(app);
return 0;
}
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