diff --git a/include/README b/include/README deleted file mode 100644 index 194dcd4..0000000 --- a/include/README +++ /dev/null @@ -1,39 +0,0 @@ - -This directory is intended for project header files. - -A header file is a file containing C declarations and macro definitions -to be shared between several project source files. You request the use of a -header file in your project source file (C, C++, etc) located in `src` folder -by including it, with the C preprocessing directive `#include'. - -```src/main.c - -#include "header.h" - -int main (void) -{ - ... -} -``` - -Including a header file produces the same results as copying the header file -into each source file that needs it. Such copying would be time-consuming -and error-prone. With a header file, the related declarations appear -in only one place. If they need to be changed, they can be changed in one -place, and programs that include the header file will automatically use the -new version when next recompiled. The header file eliminates the labor of -finding and changing all the copies as well as the risk that a failure to -find one copy will result in inconsistencies within a program. - -In C, the usual convention is to give header files names that end with `.h'. -It is most portable to use only letters, digits, dashes, and underscores in -header file names, and at most one dot. - -Read more about using header files in official GCC documentation: - -* Include Syntax -* Include Operation -* Once-Only Headers -* Computed Includes - -https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html diff --git a/include/config.h b/include/config.h index f57bf02..77ea9e0 100644 --- a/include/config.h +++ b/include/config.h @@ -38,3 +38,5 @@ #define VOLUME_MIN 0x60 #define VOLUME_MAX 0xC0 #define VOLUME_STEP 0x08 + +#define RFID_SCAN_INTERVAL 500 diff --git a/include/controller.h b/include/controller.h index b09f2c3..4727998 100644 --- a/include/controller.h +++ b/include/controller.h @@ -12,6 +12,7 @@ private: void _check_rfid(); void _check_serial(); Player* _player; + unsigned long _last_rfid_scan_at = 0; public: Controller(Player* p); void loop(); diff --git a/include/player.h b/include/player.h index 5122349..8f6592f 100644 --- a/include/player.h +++ b/include/player.h @@ -28,7 +28,8 @@ class Player { private: - enum state { uninitialized, idle, playing, stopping }; + enum state { uninitialized, idle, playing, stopping, + system_sound_while_playing, system_sound_while_stopped }; struct album_state { uint8_t index; uint32_t position; @@ -42,10 +43,12 @@ private: uint16_t _read_wram(uint16_t address); state _state = state::uninitialized; void _refill(); + bool _refill_needed(); void _flush_and_cancel(); void _flush(uint bytes); void _set_last_track(const char* album, uint8_t track, uint32_t position); std::map _last_tracks; + void _play_file(String filename, uint32_t offset); void _finish_playing(); void _finish_stopping(); void _mute(); @@ -56,6 +59,7 @@ private: SPISettings* _spi_settings = &_spi_settings_slow; std::list _files_in_dir(String dir); + String _find_album_dir(String album); File _file; uint8_t _buffer[32]; String _playing_album; @@ -74,6 +78,7 @@ public: bool play_album(String album); bool play_song(String album, uint8_t song_index, uint32_t offset=0); + void play_system_sound(String filename); void stop(); bool loop(); void set_volume(uint8_t vol, bool save = true); diff --git a/src/controller.cpp b/src/controller.cpp index 50a1ef5..8647190 100644 --- a/src/controller.cpp +++ b/src/controller.cpp @@ -13,7 +13,11 @@ Controller::Controller(Player* p) { } void Controller::loop() { - _check_rfid(); + unsigned long now = millis(); + if ((_last_rfid_scan_at < now - RFID_SCAN_INTERVAL) || (now < _last_rfid_scan_at)) { + _check_rfid(); + _last_rfid_scan_at = now; + } _check_serial(); } @@ -44,6 +48,8 @@ void Controller::_check_serial() { _player->vol_down(); } else if (c==' ') { _player->play_album("12345678"); + } else if (c=='q') { + _player->play_system_sound("12345678/Biene Maja.mp3"); } } } diff --git a/src/player.cpp b/src/player.cpp index 026c47f..d9cdd6f 100644 --- a/src/player.cpp +++ b/src/player.cpp @@ -164,6 +164,22 @@ void Player::track_prev() { play_song(_playing_album, _playing_index - 1); } +String Player::_find_album_dir(String id) { + String id_with_divider = id + " - "; + File root = SD.open("/"); + File entry; + String result = String(""); + while ((result.length()==0) && (entry = root.openNextFile())) { + String name = entry.name(); + if (entry.isDirectory() && (name.startsWith(id_with_divider) || name.equals(id))) { + result = name; + } + entry.close(); + } + root.close(); + return result; +} + std::list Player::_files_in_dir(String path) { Serial.printf("Examining folder %s...\n", path.c_str()); if (!path.startsWith("/")) path = String("/") + path; @@ -174,7 +190,13 @@ std::list Player::_files_in_dir(String path) { File entry; while (entry = dir.openNextFile()) { String filename = entry.name(); - if (!entry.isDirectory() && !filename.startsWith(".") && filename.endsWith(".mp3")) { + if (!entry.isDirectory() && + !filename.startsWith(".") && + ( filename.endsWith(".mp3") || + filename.endsWith(".ogg") || + filename.endsWith(".wma") || + filename.endsWith(".mp4") || + filename.endsWith(".mpa")) { //Serial.printf("Adding file %s\n", filename.c_str()); result.push_back(path + filename); } else { @@ -196,8 +218,15 @@ bool Player::play_album(String album) { bool Player::play_song(String album, uint8_t index, uint32_t skip_to) { if (_state != idle) return false; - Serial.printf("Playing song at index %d, offset %d of album %s\n", index, skip_to, album.c_str()); - std::list files = _files_in_dir(album); + Serial.printf("Trying to play song at index %d, offset %d of album %s\n", index, skip_to, album.c_str()); + String path = _find_album_dir(album); + if (path.length()==0) { + Serial.println("Could not find album."); + return false; + } else { + Serial.printf("Found album in dir '%s'.\n", path.c_str()); + } + std::list files = _files_in_dir(path); Serial.printf("Found %d songs in album\n", files.size()); if (index >= files.size()) { Serial.println("No matching file found - not playing."); @@ -206,24 +235,45 @@ bool Player::play_song(String album, uint8_t index, uint32_t skip_to) { //std::list::iterator it = files.begin(); //std::advance(it, index); String file = *(std::next(files.begin(), index)); - Serial.printf("Opening file %s for playback...\n", file.c_str()); + _state = playing; + _playing_album = album; + _playing_index = index; + _set_last_track(album.c_str(), index, skip_to); + _play_file(file, skip_to); + return true; +} +void Player::play_system_sound(String filename) { + //String file = String("/system/") + filename; + String file = filename; + if (!SD.exists(file)) { + Serial.printf("File %s does not exist!\n", file.c_str()); + return; + } + if (_state == playing) { + stop(); + _state = system_sound_while_playing; + } else { + _state = system_sound_while_stopped; + } + _play_file(file, 0); +} + +void Player::_play_file(String file, uint32_t file_offset) { + Serial.printf("play_file('%s', %d)\n", file.c_str(), file_offset); _file = SD.open(file); + if (!_file) return; Serial.println("Resetting SCI_DECODE_TIME..."); _write_control_register(SCI_DECODE_TIME, 0); Serial.println("Resetting SS_DO_NOT_JUMP..."); _write_control_register(SCI_STATUS, _read_control_register(SCI_STATUS) & ~SS_DO_NOT_JUMP); delay(100); - _state = playing; - _playing_album = album; - _playing_index = index; + _refills = 0; - _skip_to = skip_to; + _skip_to = file_offset; if (_skip_to>0) _mute(); Serial.println("Now playing."); - _set_last_track(album.c_str(), index, 0); - return true; } void Player::_flush(uint bytes) { @@ -260,9 +310,11 @@ void Player::_flush_and_cancel() { } void Player::stop() { - if (_state != playing) return; + if (_state != playing /* && _state != system_sound_while_playing && _state != system_sound_while_stopped*/) return; Serial.println("Stopping."); - _set_last_track(_playing_album.c_str(), _playing_index, (uint32_t)_file.position()); + if (_state == playing) { + _set_last_track(_playing_album.c_str(), _playing_index, (uint32_t)_file.position()); + } _state = stopping; _stop_delay = 0; _write_control_register(SCI_MODE, _read_control_register(SCI_MODE) | SM_CANCEL); @@ -298,6 +350,15 @@ void Player::_refill() { // File is over. Serial.println("EOF reached."); _finish_playing(); + if (_state == system_sound_while_playing) { + _finish_stopping(); + play_album(_playing_album); + return; + } else if (_state == system_sound_while_stopped) { + _finish_stopping(); + return; + } + _finish_stopping(); bool result = play_song(_playing_album, _playing_index + 1); if (!result) { @@ -324,8 +385,15 @@ void Player::_refill() { } } +bool Player::_refill_needed() { + return _state==playing || + _state==stopping || + _state==system_sound_while_playing || + _state==system_sound_while_stopped; +} + bool Player::loop() { - if (digitalRead(DREQ) && (_state==playing || _state==stopping)) { + if (digitalRead(DREQ) && _refill_needed()) { _refill(); return true; }