#include <avrpins.h>
#include <max3421e.h>
#include <usbhost.h>
#include <usb_ch9.h>
#include <Usb.h>
#include <usbhub.h>
#include <avr/pgmspace.h>
#include <address.h>

#include <cdcacm.h>

#include <printhex.h>
#include <message.h>
#include <hexdump.h>
#include <parsetools.h>

#include "pgmstrings.h"  

class ACMAsyncOper : public CDCAsyncOper
{
public:
    virtual uint8_t OnInit(ACM *pacm);
};

uint8_t ACMAsyncOper::OnInit(ACM *pacm)
{
    uint8_t rcode;
    // Set DTR = 1 RTS=1
    rcode = pacm->SetControlLineState(3);

    if (rcode)
    {
        ErrorMessage<uint8_t>(PSTR("SetControlLineState"), rcode);
        return rcode;
    }

    LINE_CODING	lc;
    lc.dwDTERate	= 115200;	
    lc.bCharFormat	= 0;
    lc.bParityType	= 0;
    lc.bDataBits	= 8;	
	
    rcode = pacm->SetLineCoding(&lc);

    if (rcode)
        ErrorMessage<uint8_t>(PSTR("SetLineCoding"), rcode);
            
    return rcode;
}

USB     Usb;
//USBHub     Hub(&Usb);
ACMAsyncOper  AsyncOper;
ACM           Acm(&Usb, &AsyncOper);

void setup()
{
  Serial.begin( 115200 );
  Serial.println("Start");

  if (Usb.Init() == -1)
      Serial.println("OSCOKIRQ failed to assert");
      
  delay( 200 ); 
}

void loop()
{
    Usb.Task();
  
    if( Usb.getUsbTaskState() == USB_STATE_RUNNING )
    {  
       uint8_t rcode;
       
       /* reading the keyboard */
       if(Serial.available()) {
         uint8_t data= Serial.read();
         /* sending to the phone */
         rcode = Acm.SndData(1, &data);
         if (rcode)
            ErrorMessage<uint8_t>(PSTR("SndData"), rcode);
       }//if(Serial.available()...

       delay(50);
       
        /* reading the phone */
        /* buffer size must be larger than max.packet size */
        uint8_t  buf[32];           
        uint16_t rcvd = 32;
        rcode = Acm.RcvData(&rcvd, buf);
         if (rcode && rcode != hrNAK)
            ErrorMessage<uint8_t>(PSTR("Ret"), rcode);
            
            if( rcvd ) { //more than zero bytes received
              for(uint16_t i=0; i < rcvd; i++ ) {
                Serial.print(buf[i]); //printing on the screen
              }              
            }
        delay(10);            
    }//if( Usb.getUsbTaskState() == USB_STATE_RUNNING..    
}