Communication Protocol
Protocol Command | Command | Data | Description | |
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SYSTEM_PLAYER_MODE | 0Dh | 1 Byte | Set Player mode on selected memory: | |
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| • Repeat / No Repeat | |
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| • | Play Single |
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| • | Play Dir |
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| • | Play Disk |
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| • Explorer Mode (see all file type for file transfer) | |
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SYSTEM_AUDIO_INPUT | 0Eh | 1 Byte | Enable Player Audio Input | |
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| • None - disable selected input | |
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| • | Mono Input |
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| • | Stereo Input |
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SYSTEM_ENTER_HID_MODE | 0Fh | No | Ask the Player to enter the HID mode: bridge USB - UART. | |
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| Table | Player Command | ||||||
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Protocol Command | Command |
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PLAYER_PLAY | 50h |
| No | If current file name is a MP3 file, play or resume pause selected |
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| MP3 file from Selected Memory. |
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| If current file name is a directory, enter this directory and select |
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| the first MP3. A new Play command is needed to play this new |
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| MP3 file. |
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PLAYER_STOP | 51h |
| No | Stop playing current MP3 file |
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PLAYER_PAUSE | 52h |
| No | Pause current MP3 file |
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PLAYER_NEXT | 53h |
| No | Select Next MP3file on Selected Memory |
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PLAYER_PREVIOUS | 54h |
| No | Select Previous MP3 file on Selected Memory |
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PLAYER_SETMARKERA | 55h |
| No | Set A marker for repeat AB feature |
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PLAYER_SETMARKERB | 56h |
| No | Set B marker for repeat AB feature |
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PLAYER_STOPAB | 57h |
| No | Stop AB repeat mode |
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PLAYER_GET_TIME | 58h |
| No | Get Playing time since beginning of the file. |
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PLAYER_GETINDEXNUMBER | 59h |
| No | Get Number of file in current directory or root directory. |
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PLAYER_ENTER_ROOT_DIR | 5Ah |
| No | Select the first MP3 files available in root directory. |
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PLAYER_SET_FILTER | 5Bh |
| No | Set filter to have no directory seen. |
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PLAYER_GET_FILE_LIST | 5Ch |
| No | Get file names list in current directory or root directory. |
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PLAYER_PLAY_INDEX | 5Dh |
| Yes | Play file selected by index. |
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| Table | |||||||
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Protocol Command | Command |
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FS_NEXT | 60h |
| No | Select next file from delected memory |
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FS_PREVIOUS | 61h |
| No | Select previous file from selected memory |
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FS_ENTER_DIR | 62h |
| No | Enter selected directory |
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FS_EXIT_DIR | 63h |
| No | Exit current directory |
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FS_GET_NAME | 64h |
| No | Get name of selected file or directory on selected memory |
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FS_FORMAT | 65h |
| No | Format in FAT16 on selected memory |
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| AT83SND2CMP3 User Guide | ||
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