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#include <EEPROM.h>
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void save_current_layer(byte layer)
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{
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EEPROM.write(EEPROM_LAYER_LOCATION, layer);
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}
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byte load_current_layer()
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{
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byte layer = EEPROM.read(EEPROM_LAYER_LOCATION);
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if (layer >= LAYERS ) {
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return 0; // undefined positions get saved as 255
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}
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return layer;
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}
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