2019-11-10 13:45:33 +00:00
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# Ports
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| Device | Port | Connected to |
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| ------ | ---- | ------------ |
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2019-11-11 04:32:41 +00:00
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| VS1053 | CS | 16 |
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| VS1053 | MISO | 19 |
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| VS1053 | MOSI | 23 |
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| VS1053 | SCK | 18 |
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| VS1053 | XCS | 4 |
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| VS1053 | XRESET | 0 |
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| VS1053 | XDCS | 2 |
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| VS1053 | DREQ | 15 |
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| RC522 | SDA | 17 |
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| RC522 | SCK | 18 |
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| RC522 | MOSI | 23 |
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| RC522 | MISO | 19 |
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| AMP_L | SD | 27 |
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| AMP_R | SD | 26 |
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| BTN_PREV | | 22 |
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| BTN_NEXT | | 33 |
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| BTN_VOL_UP | | 21 |
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| BTN_VOL_DOWN | | 32 |
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2019-11-10 13:45:33 +00:00
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Buttons pull to GND if pushed -> Internal Pull-Up needed!
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2019-11-14 19:42:02 +00:00
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# RFID stuff
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The mapping of rfid tags to files uses the ID of the
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tag. Create a file `ids.txt` in a folder containing
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one or more IDs will lead to the folder beginning to play
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when a tag with that id is on the reader.
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The ID should be a 8 character long, downcase string
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containing the ID in hexadecimal. E.g. `23b1aa7d`.
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## Special modes
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You can also save data on the tags to further manipulate
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the system. Position of the data is irrelevant, the whole
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tag will be searched.
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Using `[random]` will play the files in a random order.
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`[random:2]` will randomize everything except the first 2
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files. This can be useful for having the favorite song of
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your kids playing, but after that getting a bit of randomness.
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Using `[lock]` will turn this key into a key for the locking
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mode. Scanning the tag enables locking mode. The next album
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started will keep running until the end. Removing the tag
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will be deactivated, as are the buttons for prev and next
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track. You can disable locking mode by again scanning the
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lock tag again.
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