comparison include/Utilities.h @ 19:c98863e63174 matrix_gpio

Renamed matrixGpio to digital and matrix to analog
author Giulio Moro <giuliomoro@yahoo.it>
date Thu, 30 Apr 2015 16:58:41 +0100
parents 31503d9de101
children 182ae9367104
comparison
equal deleted inserted replaced
18:31503d9de101 19:c98863e63174
7 7
8 #ifndef UTILITIES_H_ 8 #ifndef UTILITIES_H_
9 #define UTILITIES_H_ 9 #define UTILITIES_H_
10 10
11 extern int gNumAudioChannels; // How many audio channels are present 11 extern int gNumAudioChannels; // How many audio channels are present
12 extern int gNumMatrixChannels; // How many matrix channels are present 12 extern int gNumAnalogChannels; // How many analog channels are present
13 13
14 // Macros for accessing the matrix values: usable _only_ within render() 14 // Macros for accessing the analog values: usable _only_ within render()
15 15
16 // Read an analog input from input pin p at frame f 16 // Read an Analog input from input pin p at frame f
17 #define analogRead(p, f) (matrixIn[(f)*gNumMatrixChannels + (p)]) 17 #define AnalogRead(p, f) (analogIn[(f)*gNumAnalogChannels + (p)])
18 // Write an analog output frame at output pin p, frame f, to value v 18 // Write an Analog output frame at output pin p, frame f, to value v
19 #define analogWriteFrame(p, f, v) (matrixOut[(f)*gNumMatrixChannels + (p)] = (v)) 19 #define AnalogWriteFrame(p, f, v) (analogOut[(f)*gNumAnalogChannels + (p)] = (v))
20 #define analogWrite(pin, frame, value) \ 20 #define AnalogWrite(pin, frame, value) \
21 (({do {\ 21 (({do {\
22 for (int _privateI=(frame); _privateI<numMatrixFrames; _privateI++){ \ 22 for (int _privateI=(frame); _privateI<numAnalogFrames; _privateI++){ \
23 analogWriteFrame(pin,_privateI,value); \ 23 AnalogWriteFrame(pin,_privateI,value); \
24 }\ 24 }\
25 } while (0);}),(void)0)\ 25 } while (0);}),(void)0)\
26 26
27 #define setBit(word,bit) ((word)|(1<<(bit))) 27 #define setBit(word,bit) ((word)|(1<<(bit)))
28 #define clearBit(word,bit) ((word)&~(1<<(bit))) 28 #define clearBit(word,bit) ((word)&~(1<<(bit)))
29 #define getBit(word,bit) (((word)>>(bit))&1) 29 #define getBit(word,bit) (((word)>>(bit))&1)
30 #define changeBit(word,bit,value) ((clearBit((word),(bit))) | ((value)<<(bit))) 30 #define changeBit(word,bit,value) ((clearBit((word),(bit))) | ((value)<<(bit)))
31 //matrixGpio API: 31 //digital API:
32 #define setDigitalDirectionFrame(pin,frame,direction) matrixGpio[(frame)]=changeBit(matrixGpio[(frame)],(pin),(direction)) 32 #define setDigitalDirectionFrame(pin,frame,direction) digital[(frame)]=changeBit(digital[(frame)],(pin),(direction))
33 #define setDigitalDirection(pin,frame,direction) (for(int _privateI=(frame);_privateI<gNumGpioFrames;_privateI++) matrixGpio[_privateI]=changeBit(matrixGpio[(_privateI)],(pin),(direction))),void(0) 33 #define setDigitalDirection(pin,frame,direction) (for(int _privateI=(frame);_privateI<gNumGpioFrames;_privateI++) digital[_privateI]=changeBit(digital[(_privateI)],(pin),(direction))),void(0)
34 #define digitalWriteAll(frame,value) matrixGpio[(frame)]=0xffff0000*(!(!value)); 34 #define digitalWriteAll(frame,value) digital[(frame)]=0xffff0000*(!(!value));
35 //sets the bit in the high word, clears the bit in the low word (just in case the direction was not previously set) 35 //sets the bit in the high word, clears the bit in the low word (just in case the direction was not previously set)
36 #define digitalWriteFrame(pin, frame, value) matrixGpio[(frame)]=( changeBit(matrixGpio[(frame)], (pin+16), (value)) & (0xffffffff-(1<<(pin))) ) //could have been done with two subsequent assignments 36 #define digitalWriteFrame(pin, frame, value) digital[(frame)]=( changeBit(digital[(frame)], (pin+16), (value)) & (0xffffffff-(1<<(pin))) ) //could have been done with two subsequent assignments
37 #define digitalWrite(pin, frame, value) \ 37 #define digitalWrite(pin, frame, value) \
38 (({do {\ 38 (({do {\
39 for (int _privateI=(frame); _privateI<gNumMatrixGpioFrames; _privateI++) \ 39 for (int _privateI=(frame); _privateI<gNumDigitalFrames; _privateI++) \
40 digitalWriteFrame(pin,_privateI,value); \ 40 digitalWriteFrame(pin,_privateI,value); \
41 } while (0);}),(void)0)\ 41 } while (0);}),(void)0)\
42 42
43 #define digitalRead(pin, frame) ( getBit(matrixGpio[(frame)], pin+16) ) 43 #define digitalRead(pin, frame) ( getBit(digital[(frame)], pin+16) )
44 44
45 float map(float x, float in_min, float in_max, float out_min, float out_max); 45 float map(float x, float in_min, float in_max, float out_min, float out_max);
46 float constrain(float x, float min_val, float max_val); 46 float constrain(float x, float min_val, float max_val);
47 47
48 #endif /* UTILITIES_H_ */ 48 #endif /* UTILITIES_H_ */