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  1. #include <iostream>
  2.  
  3. class TwoWire
  4. {
  5. private:
  6.     static void (*user_onReceive)(size_t);
  7.  
  8. public:
  9.     TwoWire();
  10.     void begin();
  11.     virtual int read(void);
  12.     void onReceive(void (*)(int));
  13.     void onReceive(void (*)(size_t));
  14. };
  15.  
  16. void (*TwoWire::user_onReceive)(size_t);
  17.  
  18. TwoWire::TwoWire() {}
  19.  
  20. void TwoWire::begin()
  21. {
  22.     if (user_onReceive)
  23.     {
  24.         user_onReceive(123);
  25.     }
  26. }
  27.  
  28. int TwoWire::read(void)
  29. {
  30.     return 12;
  31. }
  32.  
  33. void TwoWire::onReceive(void (*function)(int))
  34. {
  35.     user_onReceive = reinterpret_cast<void(*)(size_t)>(function);
  36. }
  37.  
  38. void TwoWire::onReceive(void (*function)(size_t))
  39. {
  40.     user_onReceive = function;
  41. }
  42.  
  43. TwoWire Wire;
  44.  
  45.  
  46. class hardwire {
  47.   private:
  48.   inline static uint8_t _rx = 0;
  49.  
  50.   public:
  51.   void hardwireStart(){
  52.     Wire.onReceive(hardwireReceive);
  53.     Wire.begin();
  54.   }
  55.  
  56.   static void hardwireReceive(int bytes){
  57.     _rx = Wire.read();
  58.     printf("_rx = %d,  bytes = %d", _rx, bytes);
  59.   }
  60. };
  61.  
  62.  
  63. hardwire chip;
  64.  
  65. int main()
  66. {
  67. 	chip.hardwireStart();
  68.  
  69. 	return 0;
  70. }
Success #stdin #stdout 0.01s 5392KB
comments (?)
stdin 
Standard input is empty
stdout 
_rx = 12,  bytes = 123
https://ideone.com/2aKiJr
language:
C++ 4.3.2 (gcc-4.3.2)
created:
4 years ago
visibility:
secret

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