DS2890.cpp

#include "OneWireHub.h"
#include "DS2890.h"

//#define DEBUG_DS2890

DS2890::DS2890(byte ID1, byte ID2, byte ID3, byte ID4, byte ID5, byte ID6, byte ID7): OneWireItem(ID1, ID2, ID3, ID4, ID5, ID6, ID7){
    this->regs     = 0;
    this->potion   = 0;
}

bool DS2890::duty(OneWireHub * hub)
{
  uint16_t data;
  
  uint8_t done = hub->recv();    
  switch (done) {
    // WRITE POSITION
    case 0x0F:
      // get
      this->potion = hub->recv();

      // send
      hub->send( this->potion );
    
      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : WRITE POSITION: ");  
        Serial.println(this->potion, HEX);
      #endif  
    
      break;

    // WRITE CONTROL REGISTER
    case 0x55:
      // data
      this->regs = hub->recv();
      
      // send dara
      hub->send(this->regs);
    
      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : WRITE CONTROL REGISTER: ");  
        Serial.println(this->regs, HEX);
      #endif  
      
      break;
      
    // READ CONTROL REGISTER
    case 0xAA:
      // regs
      hub->send( this->regs );

      // send
      hub->send( this->potion );

      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : READ CONTROL REGISTER: "); 
        Serial.print(this->regs, HEX); 
        Serial.print("-");
        Serial.println(this->potion, HEX); 
      #endif  
      
      break;
    
    // READ POSITION
    case 0xF0:
      // regs
      hub->send( this->regs );

      // send
      hub->send( this->potion );

      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : READ POSITION: ");
        Serial.print(this->regs, HEX); 
        Serial.print("-");
        Serial.println(this->potion, HEX); 
      #endif  
      
      break;
    
    // INCREMENT
    case 0xC3:
      if (this->potion < 0xFF) this->potion = this->potion + 1;
      
      // send
      hub->send( this->potion );
      
      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : INCREMENT");
      #endif  
    
      break;

    // DECREMENT
    case 0x99:
      if (this->potion > 0x00) this->potion = this->potion - 1;
      
      // send
      hub->send( this->potion );
      
      #ifdef DEBUG_DS2890
        Serial.print("DS2890 : DECREMENT");
      #endif  
    
      break;
      
    default:    
      #ifdef DEBUG_hint
        Serial.print("DS2890=");
        Serial.println(done, HEX);
      #endif  
      break;    
  }
  
  return TRUE;
}