annotate include/Utilities.h @ 15:901d205d1a3c
Updated to latest PRU library; external PRU file no longer needed. Also catch SIGTERM as well as SIGINT to clean up gracefully.
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andrewm |
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Sat, 07 Feb 2015 16:41:56 +0000 |
| parents |
6adb088196a7 |
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670be80463a3 |
| rev |
line source |
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1 /*
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2 * Utilities.h
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3 *
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4 * Created on: Oct 27, 2014
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5 * Author: parallels
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6 */
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7
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8 #ifndef UTILITIES_H_
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9 #define UTILITIES_H_
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10
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11 extern int gNumAudioChannels; // How many audio channels are present
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12 extern int gNumMatrixChannels; // How many matrix channels are present
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13
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14 // Macros for accessing the matrix values: usable _only_ within render()
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15
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16 // Read an analog input from input pin p at frame f
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17 #define analogRead(p, f) (matrixIn[(f)*gNumMatrixChannels + (p)])
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18 // Write an analog output frame at output pin p, frame f, to value v
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19 #define analogWrite(p, f, v) (matrixOut[(f)*gNumMatrixChannels + (p)] = (uint16_t)(v))
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20
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21 float map(float x, float in_min, float in_max, float out_min, float out_max);
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22 float constrain(float x, float min_val, float max_val);
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23
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24 #endif /* UTILITIES_H_ */
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