w5100.c

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//*****************************************************************************
//
//
//*****************************************************************************

#include "w5100.h"

#if   (_WIZCHIP_ == 5100)

void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
{
   WIZCHIP_CRITICAL_ENTER();
   WIZCHIP.CS._select();

#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
   WIZCHIP.IF.SPI._write_byte(0xF0);
   WIZCHIP.IF.SPI._write_byte((AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF) >>  0);
   WIZCHIP.IF.SPI._write_byte(wb);    // Data write (write 1byte data)
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
   //M20150601 : Rename the function for integrating with ioLibrary
   //WIZCHIP.IF.BUS._write_byte(AddrSel,wb);
   WIZCHIP.IF.BUS._write_data(AddrSel,wb);
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )

   //add indirect bus 
   //M20150601 : Rename the function for integrating with ioLibrary
   //WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   //WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));    
   //WIZCHIP.IF.BUS._write_byte(IDM_DR,wb);
   WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));  
   WIZCHIP.IF.BUS._write_data(IDM_DR,wb);
#else
   #error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!"
#endif

   WIZCHIP.CS._deselect();
   WIZCHIP_CRITICAL_EXIT();
}
uint8_t  WIZCHIP_READ(uint32_t AddrSel)
{
   uint8_t ret;

   WIZCHIP_CRITICAL_ENTER();
   WIZCHIP.CS._select();

#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
   WIZCHIP.IF.SPI._write_byte(0x0F);
   WIZCHIP.IF.SPI._write_byte((AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF) >>  0);
   ret = WIZCHIP.IF.SPI._read_byte(); 
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
   //M20150601 : Rename the function for integrating with ioLibrary
   //ret = WIZCHIP.IF.BUS._read_byte(AddrSel);
   ret = WIZCHIP.IF.BUS._read_data(AddrSel);   
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )

   //add indirect bus
   //M20150601 : Rename the function for integrating with ioLibrary
   //WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   //WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));    
   //ret = WIZCHIP.IF.BUS._read_byte(IDM_DR);
   WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));  
   ret = WIZCHIP.IF.BUS._read_data(IDM_DR);

#else
   #error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!"   
#endif

   WIZCHIP.CS._deselect();
   WIZCHIP_CRITICAL_EXIT();
   return ret;
}


void WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
{
   uint16_t i = 0;

   WIZCHIP_CRITICAL_ENTER();
   WIZCHIP.CS._select();   //M20150601 : Moved here.

#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
  for(i = 0; i < len; i++)
  {
     //M20160715 : Depricated "M20150601 : Remove _select() to top-side"
     //            CS should be controlled every SPI frames
     WIZCHIP.CS._select();
     WIZCHIP.IF.SPI._write_byte(0xF0);
     WIZCHIP.IF.SPI._write_byte((((uint16_t)(AddrSel+i)) & 0xFF00) >>  8);
     WIZCHIP.IF.SPI._write_byte((((uint16_t)(AddrSel+i)) & 0x00FF) >>  0);
     WIZCHIP.IF.SPI._write_byte(pBuf[i]);    // Data write (write 1byte data)
     //M20160715 : Depricated "M20150601 : Remove _select() to top-side"
      WIZCHIP.CS._deselect();
  }
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
   for(i = 0; i < len; i++)
   //M20150601 : Rename the function for integrating with ioLibrary  
   //  WIZCHIP.IF.BUS._write_byte(AddrSel+i,pBuf[i]);  
       WIZCHIP.IF.BUS._write_data(AddrSel+i,pBuf[i]);  
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
   //M20150601 : Rename the function for integrating with ioLibrary  
   /*
   WIZCHIP_WRITE(MR,WIZCHIP_READ(MR) | MR_AI);     
   WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));
   for(i = 0 ; i < len; i++)
      WIZCHIP.IF.BUS._write_byte(IDM_DR,pBuf[i]);
   WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) & ~MR_AI);   
   */
   setMR(getMR()|MR_AI);     
   WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));
   for(i = 0 ; i < len; i++)
      WIZCHIP.IF.BUS._write_data(IDM_DR,pBuf[i]);
   setMR(getMR() & ~MR_AI);   

#else
   #error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!!"
#endif
   
   WIZCHIP.CS._deselect();  //M20150601 : Moved here.
   WIZCHIP_CRITICAL_EXIT();
}

void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
{
   uint16_t i = 0;
   WIZCHIP_CRITICAL_ENTER();
   WIZCHIP.CS._select();   //M20150601 : Moved here.
   
   #if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
   for(i = 0; i < len; i++)
   {
     //M20160715 : Depricated "M20150601 : Remove _select() to top-side"
     //            CS should be controlled every SPI frames
     WIZCHIP.CS._select();
      WIZCHIP.IF.SPI._write_byte(0x0F);
      WIZCHIP.IF.SPI._write_byte((uint16_t)((AddrSel+i) & 0xFF00) >>  8);
      WIZCHIP.IF.SPI._write_byte((uint16_t)((AddrSel+i) & 0x00FF) >>  0);
      pBuf[i] = WIZCHIP.IF.SPI._read_byte(); 
     //M20160715 : Depricated "M20150601 : Remove _select() to top-side"
      WIZCHIP.CS._deselect();
   }
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
   for(i = 0 ; i < len; i++)
   //M20150601 : Rename the function for integrating with ioLibrary  
   // pBuf[i]   = WIZCHIP.IF.BUS._read_byte(AddrSel+i);
      pBuf[i]   = WIZCHIP.IF.BUS._read_data(AddrSel+i);
#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
   //M20150601 : Rename the function for integrating with ioLibrary  
   /*
   WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) | MR_AI);    
   WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));  
   for(i = 0 ; i < len; i++)
      pBuf[i]   = WIZCHIP.IF.BUS._read_byte(IDM_DR);
   WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) & ~MR_AI); 
   */
   setMR(getMR() | MR_AI);
   WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >>  8);
   WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));  
   for(i = 0 ; i < len; i++)
      pBuf[i]   = WIZCHIP.IF.BUS._read_data(IDM_DR);
   setMR(getMR() & ~MR_AI); 
   
#else
   #error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!!"
#endif

   WIZCHIP.CS._deselect();    //M20150601 : Moved Here.
   WIZCHIP_CRITICAL_EXIT();
}

// Socket N regsiter IO function //

uint16_t getSn_TX_FSR(uint8_t sn)
{
   uint16_t val=0,val1=0;
   do
   {
      val1 = WIZCHIP_READ(Sn_TX_FSR(sn));
      val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
      if (val1 != 0)
      {
        val = WIZCHIP_READ(Sn_TX_FSR(sn));
        val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
      }
   }while (val != val1);
   return val;
}


uint16_t getSn_RX_RSR(uint8_t sn)
{
   uint16_t val=0,val1=0;
   do
   {
      val1 = WIZCHIP_READ(Sn_RX_RSR(sn));
      val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
      if (val1 != 0)
      {
        val = WIZCHIP_READ(Sn_RX_RSR(sn));
        val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
      }
   }while (val != val1);
   return val;
}

// Sn_TXBUF & Sn_RXBUF IO function //
uint32_t getSn_RxBASE(uint8_t sn)
{
   int8_t  i;
#if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
   uint32_t rxbase = _W5100_IO_BASE_ + _WIZCHIP_IO_RXBUF_;
#else   
   uint32_t rxbase = _WIZCHIP_IO_RXBUF_;
#endif   
   for(i = 0; i < sn; i++)
      rxbase += getSn_RxMAX(i);

   return rxbase;
}

uint32_t getSn_TxBASE(uint8_t sn)
{
   int8_t  i;
#if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
   uint32_t txbase = _W5100_IO_BASE_ + _WIZCHIP_IO_TXBUF_;
#else   
   uint32_t txbase = _WIZCHIP_IO_TXBUF_;
#endif   
   for(i = 0; i < sn; i++)
      txbase += getSn_TxMAX(i);
   return txbase;
}

void wiz_send_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
{
  uint16_t ptr;
  uint16_t size;
  uint16_t dst_mask;
  uint16_t dst_ptr;

  ptr = getSn_TX_WR(sn);

  dst_mask = ptr & getSn_TxMASK(sn);
  dst_ptr = getSn_TxBASE(sn) + dst_mask;
  
  if (dst_mask + len > getSn_TxMAX(sn)) 
  {
    size = getSn_TxMAX(sn) - dst_mask;
    WIZCHIP_WRITE_BUF(dst_ptr, wizdata, size);
    wizdata += size;
    size = len - size;
    dst_ptr = getSn_TxBASE(sn);
    WIZCHIP_WRITE_BUF(dst_ptr, wizdata, size);
  } 
  else
  {
    WIZCHIP_WRITE_BUF(dst_ptr, wizdata, len);
  }

  ptr += len;

  setSn_TX_WR(sn, ptr);  
}


void wiz_recv_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
{
  uint16_t ptr;
  uint16_t size;
  uint16_t src_mask;
  uint16_t src_ptr;

  ptr = getSn_RX_RD(sn);
  
  src_mask = (uint32_t)ptr & getSn_RxMASK(sn);
  src_ptr = (getSn_RxBASE(sn) + src_mask);

  
  if( (src_mask + len) > getSn_RxMAX(sn) ) 
  {
    size = getSn_RxMAX(sn) - src_mask;
    WIZCHIP_READ_BUF((uint32_t)src_ptr, (uint8_t*)wizdata, size);
    wizdata += size;
    size = len - size;
    src_ptr = getSn_RxBASE(sn);
    WIZCHIP_READ_BUF(src_ptr, (uint8_t*)wizdata, size);
  } 
  else
  {
    WIZCHIP_READ_BUF(src_ptr, (uint8_t*)wizdata, len);
  }
    
  ptr += len;
  
  setSn_RX_RD(sn, ptr);
}

void wiz_recv_ignore(uint8_t sn, uint16_t len)
{
  uint16_t ptr;

  ptr = getSn_RX_RD(sn);
  
  ptr += len;
  setSn_RX_RD(sn,ptr);
}

#endif