annotate include/Utilities.h @ 13:6adb088196a7

Fixed ADC bug; added a simple passthrough test
author andrewm
date Fri, 23 Jan 2015 15:17:09 +0000
parents 09f03ac40fcc
children 670be80463a3
rev   line source
andrewm@0 1 /*
andrewm@0 2 * Utilities.h
andrewm@0 3 *
andrewm@0 4 * Created on: Oct 27, 2014
andrewm@0 5 * Author: parallels
andrewm@0 6 */
andrewm@0 7
andrewm@0 8 #ifndef UTILITIES_H_
andrewm@0 9 #define UTILITIES_H_
andrewm@0 10
andrewm@13 11 extern int gNumAudioChannels; // How many audio channels are present
andrewm@13 12 extern int gNumMatrixChannels; // How many matrix channels are present
andrewm@13 13
andrewm@5 14 // Macros for accessing the matrix values: usable _only_ within render()
andrewm@5 15
andrewm@5 16 // Read an analog input from input pin p at frame f
andrewm@13 17 #define analogRead(p, f) (matrixIn[(f)*gNumMatrixChannels + (p)])
andrewm@5 18 // Write an analog output frame at output pin p, frame f, to value v
andrewm@13 19 #define analogWrite(p, f, v) (matrixOut[(f)*gNumMatrixChannels + (p)] = (uint16_t)(v))
andrewm@5 20
andrewm@0 21 float map(float x, float in_min, float in_max, float out_min, float out_max);
andrewm@0 22 float constrain(float x, float min_val, float max_val);
andrewm@0 23
andrewm@0 24 #endif /* UTILITIES_H_ */