Mercurial > hg > beaglert
diff include/Utilities.h @ 7:ab396a08e962
Merge
author | Victor Zappi <victor.zappi@qmul.ac.uk> |
---|---|
date | Tue, 11 Nov 2014 15:31:01 +0000 |
parents | 09f03ac40fcc |
children | 6adb088196a7 |
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--- a/include/Utilities.h Tue Nov 11 15:25:37 2014 +0000 +++ b/include/Utilities.h Tue Nov 11 15:31:01 2014 +0000 @@ -8,6 +8,13 @@ #ifndef UTILITIES_H_ #define UTILITIES_H_ +// Macros for accessing the matrix values: usable _only_ within render() + +// Read an analog input from input pin p at frame f +#define analogRead(p, f) (matrixIn[(f)*8 + (p)]) +// Write an analog output frame at output pin p, frame f, to value v +#define analogWrite(p, f, v) (matrixOut[(f)*8 + (p)] = (uint16_t)(v)) + float map(float x, float in_min, float in_max, float out_min, float out_max); float constrain(float x, float min_val, float max_val);