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26 lines
791 B
26 lines
791 B
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#ifndef _common_h
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#define _common_h
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inline long maplong(long x, long in_min, long in_max, long out_min, long out_max) {
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return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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inline float32_t mapfloat(float32_t val, float32_t in_min, float32_t in_max, float32_t out_min, float32_t out_max)
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{
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return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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inline float32_t mapfloat(int val, int in_min, int in_max, float32_t out_min, float32_t out_max)
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{
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return (val - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
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}
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#define constrain(amt, low, high) ({ \
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__typeof__(amt) _amt = (amt); \
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__typeof__(low) _low = (low); \
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__typeof__(high) _high = (high); \
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(_amt < _low) ? _low : ((_amt > _high) ? _high : _amt); \
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})
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#endif
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