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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | mjames | 1 | /* |
| 2 | * ap_math.h |
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| 3 | * |
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| 4 | * Created on: 31 Jan 2016 |
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| 5 | * Author: Mike |
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| 6 | */ |
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| 7 | |||
| 8 | #ifndef INC_AP_MATH_H_ |
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| 9 | #define INC_AP_MATH_H_ |
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| 10 | |||
| 11 | #define AP_K 256 |
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| 12 | #define AP_SCALE(x) ((x)/AP_K) |
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| 46 | mjames | 13 | |
| 14 | /* the number of steps in 90 degrees */ |
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| 15 | #define SINE_SCALING 4 |
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| 16 | #define SINE_STEPS (90*SINE_SCALING) |
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| 17 | |||
| 2 | mjames | 18 | extern void ap_init(void); |
| 19 | |||
| 20 | extern int ap_sin(int x); |
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| 21 | extern int ap_cos(int x); |
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| 22 | |||
| 23 | |||
| 24 | |||
| 25 | #endif /* INC_AP_MATH_H_ */ |