Socket APIs: Ethernet/W5100/w5100.c Source File

Wiznet Socket API

Socket APIs
 //*****************************************************************************
 //
 //
 //*****************************************************************************
 
 #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
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