54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* vim: sw=2 ts=2 expandtab
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*
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* "THE PIZZA-WARE LICENSE" (derived from "THE BEER-WARE LICENCE"):
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* Thomas Kolb <cfr34k@tkolb.de> wrote this file. As long as you retain this
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* notice you can do whatever you want with this stuff. If we meet some day,
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* and you think this stuff is worth it, you can buy me a pizza in return.
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* - Thomas Kolb
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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#include <stdint.h>
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// configuration variables for musiclight2
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// networking
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#define HOST "192.168.42.1"
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#define PORT 2703
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// FFT transformation parameters
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#define FFT_EXPONENT 8 // ATTENTION: when you change this, run gen_lut.py with this value as argument
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#define BLOCK_LEN (1 << FFT_EXPONENT) // 2^FFT_EXPONENT
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#define SAMPLE_RATE 44100
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#define DATALEN (BLOCK_LEN / 2)
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// Number of parts in the sample buffer
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#define BUFFER_PARTS 2
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// Update rate for the led strip (in seconds)
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// Must be a little faster than the hardware update rate to ensure there’s
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// always a packet in the queue
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//#define LED_INTERVAL 0.01
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#define LED_INTERVAL (1.0/61.0)
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// frequency ranges for the base colors
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#define RED_MIN_FREQ 0
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#define RED_MAX_FREQ 400
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#define GREEN_MIN_FREQ 400
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#define GREEN_MAX_FREQ 4000
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#define BLUE_MIN_FREQ 4000
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#define BLUE_MAX_FREQ SAMPLE_RATE/2
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#define COLOR_MAX_REDUCTION_FACTOR 0.9998
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// sample data types
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typedef int16_t sample;
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typedef int64_t sample_sum;
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typedef double value_type;
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#endif // CONFIG_H
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