RSeries astromech firmware
PinInterruptHandler.h
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1 #ifndef PinInterruptHandler_h
2 #define PinInterruptHandler_h
3 
4 #include "ReelTwo.h"
5 
6 class PinInterruptHandler
7 {
8 public:
9  void detachInterrupt(unsigned pin)
10  {
11  unsigned inum = digitalPinToInterrupt(pin);
12  ::detachInterrupt(inum);
13  handlerToISR(inum) = nullptr;
14  }
15 
16  bool attachInterrupt(unsigned pin)
17  {
18  uint8_t inum = digitalPinToInterrupt(pin);
19  // Serial.println("attachInterrupt pin="+String(pin)+" interrupt="+String(inum));
20  handlerToISR(inum) = this;
21  switch (inum) {
22  #define ATTACH_INTTERUPT(num) \
23  case num: \
24  ::attachInterrupt(inum, ISR_##num, CHANGE); \
25  break;
26  #ifdef __AVR__
27  ATTACH_INTTERUPT(0)
28  ATTACH_INTTERUPT(1)
29  ATTACH_INTTERUPT(2)
30  ATTACH_INTTERUPT(3)
31  ATTACH_INTTERUPT(4)
32  ATTACH_INTTERUPT(5)
33  ATTACH_INTTERUPT(6)
34  ATTACH_INTTERUPT(7)
35  ATTACH_INTTERUPT(8)
36  ATTACH_INTTERUPT(9)
37  ATTACH_INTTERUPT(10)
38  ATTACH_INTTERUPT(11)
39  ATTACH_INTTERUPT(12)
40  ATTACH_INTTERUPT(13)
41  ATTACH_INTTERUPT(14)
42  ATTACH_INTTERUPT(15)
43  ATTACH_INTTERUPT(16)
44  ATTACH_INTTERUPT(17)
45  ATTACH_INTTERUPT(18)
46  ATTACH_INTTERUPT(19)
47  #elif defined(ESP32)
48  ATTACH_INTTERUPT(0)
49  ATTACH_INTTERUPT(2)
50  ATTACH_INTTERUPT(4)
51  ATTACH_INTTERUPT(5)
52  ATTACH_INTTERUPT(12)
53  ATTACH_INTTERUPT(13)
54  ATTACH_INTTERUPT(14)
55  ATTACH_INTTERUPT(15)
56  ATTACH_INTTERUPT(16)
57  ATTACH_INTTERUPT(17)
58  ATTACH_INTTERUPT(18)
59  ATTACH_INTTERUPT(19)
60  ATTACH_INTTERUPT(21)
61  ATTACH_INTTERUPT(22)
62  ATTACH_INTTERUPT(23)
63  ATTACH_INTTERUPT(25)
64  ATTACH_INTTERUPT(26)
65  ATTACH_INTTERUPT(27)
66  ATTACH_INTTERUPT(32)
67  ATTACH_INTTERUPT(33)
68  ATTACH_INTTERUPT(34)
69  ATTACH_INTTERUPT(35)
70  ATTACH_INTTERUPT(36)
71  ATTACH_INTTERUPT(39)
72  #else
73  #error Not supported yet
74  #endif
75 
76  #undef ATTACH_INTTERUPT
77  default:
78  return false;
79  }
80  return true;
81  }
82 
83 protected:
84  virtual void interrupt() = 0;
85 
86 private:
87 #ifdef ESP32
88  #define MAX_ISR_COUNT 40
89 #else
90  #define MAX_ISR_COUNT 20
91 #endif
92  static PinInterruptHandler*& handlerToISR(int isr)
93  {
94  static PinInterruptHandler* sHandlers[MAX_ISR_COUNT+1];
95  return sHandlers[(isr >= 0 && isr < MAX_ISR_COUNT) ? isr+1 : 0];
96  }
97 
98  #define DEFINE_ISR_HANDLER(n) \
99  static void ISR_##n() \
100  { \
101  PinInterruptHandler* handler = handlerToISR(n); \
102  if (handler != nullptr) \
103  handler->interrupt(); \
104  }
105 
106 #ifdef __AVR__
107  DEFINE_ISR_HANDLER(0)
108  DEFINE_ISR_HANDLER(1)
109  DEFINE_ISR_HANDLER(2)
110  DEFINE_ISR_HANDLER(3)
111  DEFINE_ISR_HANDLER(4)
112  DEFINE_ISR_HANDLER(5)
113  DEFINE_ISR_HANDLER(6)
114  DEFINE_ISR_HANDLER(7)
115  DEFINE_ISR_HANDLER(8)
116  DEFINE_ISR_HANDLER(9)
117  DEFINE_ISR_HANDLER(10)
118  DEFINE_ISR_HANDLER(11)
119  DEFINE_ISR_HANDLER(12)
120  DEFINE_ISR_HANDLER(13)
121  DEFINE_ISR_HANDLER(14)
122  DEFINE_ISR_HANDLER(15)
123  DEFINE_ISR_HANDLER(16)
124  DEFINE_ISR_HANDLER(17)
125  DEFINE_ISR_HANDLER(18)
126  DEFINE_ISR_HANDLER(19)
127 #elif defined(ESP32)
128  DEFINE_ISR_HANDLER(0)
129  DEFINE_ISR_HANDLER(2)
130  DEFINE_ISR_HANDLER(4)
131  DEFINE_ISR_HANDLER(5)
132  DEFINE_ISR_HANDLER(12)
133  DEFINE_ISR_HANDLER(13)
134  DEFINE_ISR_HANDLER(14)
135  DEFINE_ISR_HANDLER(15)
136  DEFINE_ISR_HANDLER(16)
137  DEFINE_ISR_HANDLER(17)
138  DEFINE_ISR_HANDLER(18)
139  DEFINE_ISR_HANDLER(19)
140  DEFINE_ISR_HANDLER(21)
141  DEFINE_ISR_HANDLER(22)
142  DEFINE_ISR_HANDLER(23)
143  DEFINE_ISR_HANDLER(25)
144  DEFINE_ISR_HANDLER(26)
145  DEFINE_ISR_HANDLER(27)
146  DEFINE_ISR_HANDLER(32)
147  DEFINE_ISR_HANDLER(33)
148  DEFINE_ISR_HANDLER(34)
149  DEFINE_ISR_HANDLER(35)
150  DEFINE_ISR_HANDLER(36)
151  DEFINE_ISR_HANDLER(39)
152 #else
153  #error Not supported yet
154 #endif
155 #undef MAX_ISR_COUNT
156 };
157 #endif
ATTACH_INTTERUPT
#define ATTACH_INTTERUPT(num)
ReelTwo.h
PinInterruptHandler::detachInterrupt
void detachInterrupt(unsigned pin)
Definition: PinInterruptHandler.h:9
MAX_ISR_COUNT
#define MAX_ISR_COUNT
Definition: PinInterruptHandler.h:90
PinInterruptHandler::attachInterrupt
bool attachInterrupt(unsigned pin)
Definition: PinInterruptHandler.h:16
PinInterruptHandler
Definition: PinInterruptHandler.h:6
DEFINE_ISR_HANDLER
#define DEFINE_ISR_HANDLER(n)
Definition: PinInterruptHandler.h:98
PinInterruptHandler::interrupt
virtual void interrupt()=0