Raphael Kwon
W5500 Driver
Diff: w5500.c
- Revision:
- 0:4f25c0dc00f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/w5500.c Tue Feb 18 05:25:12 2014 +0000
@@ -0,0 +1,353 @@
+//*****************************************************************************
+//
+//! \file w5500.c
+//! \brief W5500 HAL Interface.
+//! \version 1.0.0
+//! \date 2013/10/01
+//! \par Revision history
+//! <2013/10/01> 1st Release
+//! \author MidnightCow
+//! \copyright
+//!
+//! Copyright (c) 2013, WIZnet Co., LTD.
+//! All rights reserved.
+//!
+//! Redistribution and use in source and binary forms, with or without
+//! modification, are permitted provided that the following conditions
+//! are met:
+//!
+//! * Redistributions of source code must retain the above copyright
+//! notice, this list of conditions and the following disclaimer.
+//! * Redistributions in binary form must reproduce the above copyright
+//! notice, this list of conditions and the following disclaimer in the
+//! documentation and/or other materials provided with the distribution.
+//! * Neither the name of the <ORGANIZATION> nor the names of its
+//! contributors may be used to endorse or promote products derived
+//! from this software without specific prior written permission.
+//!
+//! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+//! AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+//! IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+//! ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+//! LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+//! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+//! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+//! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+//! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+//! THE POSSIBILITY OF SUCH DAMAGE.
+//
+//*****************************************************************************
+#include <stdio.h>
+#include "w5500.h"
+
+
+#define _W5500_SPI_VDM_OP_ 0x00
+#define _W5500_SPI_FDM_OP_LEN1_ 0x01
+#define _W5500_SPI_FDM_OP_LEN2_ 0x02
+#define _W5500_SPI_FDM_OP_LEN4_ 0x03
+
+////////////////////////////////////////////////////
+
+uint8_t WIZCHIP_READ(uint32_t AddrSel)
+{
+ uint8_t ret;
+
+ WIZCHIP_CRITICAL_ENTER();
+ WIZCHIP.CS._select();
+
+#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
+
+ #if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_VDM_ )
+ AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_);
+ #elif( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_FDM_ )
+ AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_FDM_OP_LEN1_);
+ #else
+ #error "Unsupported _WIZCHIP_IO_SPI_ in W5500 !!!"
+ #endif
+
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ ret = WIZCHIP.IF.SPI._read_byte();
+
+#elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
+
+ #if (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
+
+ #elif(_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_)
+
+ #else
+ #error "Unsupported _WIZCHIP_IO_MODE_BUS_ in W5500 !!!"
+ #endif
+#else
+ #error "Unknown _WIZCHIP_IO_MODE_ in W5000. !!!"
+#endif
+
+ WIZCHIP.CS._deselect();
+ WIZCHIP_CRITICAL_EXIT();
+ return ret;
+}
+
+void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
+{
+ WIZCHIP_CRITICAL_ENTER();
+ WIZCHIP.CS._select();
+
+#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
+
+ #if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_VDM_ )
+ AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_);
+ #elif( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_FDM_ )
+ AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_FDM_OP_LEN1_);
+ #else
+ #error "Unsupported _WIZCHIP_IO_SPI_ in W5500 !!!"
+ #endif
+
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ WIZCHIP.IF.SPI._write_byte(wb);
+
+#elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
+
+ #if (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
+
+ #elif(_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_)
+
+ #else
+ #error "Unsupported _WIZCHIP_IO_MODE_BUS_ in W5500 !!!"
+ #endif
+#else
+ #error "Unknown _WIZCHIP_IO_MODE_ in W5500. !!!"
+#endif
+
+ WIZCHIP.CS._deselect();
+ WIZCHIP_CRITICAL_EXIT();
+}
+
+void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
+{
+ uint16_t i = 0;
+ uint16_t j = 0;
+ WIZCHIP_CRITICAL_ENTER();
+ WIZCHIP.CS._select();
+
+#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
+
+ #if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_VDM_ )
+ AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ for(i = 0; i < len; i++)
+ pBuf[i] = WIZCHIP.IF.SPI._read_byte();
+ #elif( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_FDM_ )
+ AddrSel |= (_W5500_SPI_READ_ | _W5500_SPI_FDM_OP_LEN4_);
+ for(i = 0; i < len/4; i++)
+ {
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ pBuf[i*4] = WIZCHIP.IF.SPI._read_byte();
+ pBuf[i*4+1] = WIZCHIP.IF.SPI._read_byte();
+ pBuf[i*4+2] = WIZCHIP.IF.SPI._read_byte();
+ pBuf[i*4+3] = WIZCHIP.IF.SPI._read_byte();
+ //AddrSel += (4 << 8); // offset address + 4
+ AddrSel = WIZCHIP_OFFSET_INC(AddrSel,4);
+ }
+ len %= 4; // for the rest data
+ if(len)
+ {
+ AddrSel -= 1; // change _W5500_SPI_FDM_OP_LEN4_ to _W5500_SPI_FDM_OP_LEN2_
+ i *= 4;
+ for(j = 0; j < len/2 ; j++)
+ {
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ pBuf[i] = WIZCHIP.IF.SPI._read_byte();
+ pBuf[i+1] = WIZCHIP.IF.SPI._read_byte();
+ i += 2;
+ //AddrSel += (2 << 8); // offset address + 2
+ AddrSel = WIZCHIP_OFFSET_INC(AddrSel,2);
+ }
+ len %= 2;
+ if(len)
+ {
+ AddrSel -= 1; // change _W5500_SPI_FDM_OP_LEN2_ to _W5500_SPI_FDM_OP_LEN1_
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ pBuf[i] = WIZCHIP.IF.SPI._read_byte();
+ }
+ }
+ #else
+ #error "Unsupported _WIZCHIP_IO_SPI_ in W5500 !!!"
+ #endif
+
+#elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
+
+ #if (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
+
+ #elif(_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_)
+
+ #else
+ #error "Unsupported _WIZCHIP_IO_MODE_BUS_ in W5500 !!!"
+ #endif
+#else
+ #error "Unknown _WIZCHIP_IO_MODE_ in W5500. !!!!"
+#endif
+
+ WIZCHIP.CS._deselect();
+ WIZCHIP_CRITICAL_EXIT();
+}
+
+void WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
+{
+ uint16_t i = 0;
+ uint16_t j = 0;
+ WIZCHIP_CRITICAL_ENTER();
+ WIZCHIP.CS._select();
+
+#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
+
+ #if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_VDM_ )
+ AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ for(i = 0; i < len; i++)
+ WIZCHIP.IF.SPI._write_byte(pBuf[i]);
+ #elif( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_SPI_FDM_ )
+ AddrSel |= (_W5500_SPI_WRITE_ | _W5500_SPI_FDM_OP_LEN4_);
+ for(i = 0; i < len/4; i++)
+ {
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ WIZCHIP.IF.SPI._write_byte(pBuf[i*4] );
+ WIZCHIP.IF.SPI._write_byte(pBuf[i*4+1]);
+ WIZCHIP.IF.SPI._write_byte(pBuf[i*4+2]);
+ WIZCHIP.IF.SPI._write_byte(pBuf[i*4+3]);
+ //AddrSel += (4 << 8); // offset address + 4
+ AddrSel = WIZCHIP_OFFSET_INC(AddrSel,4);
+ }
+ len %= 4; // for the rest data
+ if(len)
+ {
+ AddrSel -= 1; // change _W5500_SPI_FDM_OP_LEN4_ to _W5500_SPI_FDM_OP_LEN2_
+ i *= 4;
+ for(j = 0; j < len/2 ; j++)
+ {
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ WIZCHIP.IF.SPI._write_byte(pBuf[i] );
+ WIZCHIP.IF.SPI._write_byte(pBuf[i+1]);
+ i += 2;
+ //AddrSel += (2 << 8); // offset address + 2
+ AddrSel = WIZCHIP_OFFSET_INC(AddrSel, 2);
+ }
+ len %= 2;
+ if(len)
+ {
+ AddrSel -= 1; // change _W5500_SPI_FDM_OP_LEN2_ to _W5500_SPI_FDM_OP_LEN1_
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF0000) >> 16);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >> 8);
+ WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >> 0);
+ WIZCHIP.IF.SPI._write_byte(pBuf[i]);
+ }
+ }
+ #else
+ #error "Unsupported _WIZCHIP_IO_SPI_ in W5500 !!!"
+ #endif
+
+#elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
+
+ #if (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
+
+ #elif(_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_)
+
+ #else
+ #error "Unsupported _WIZCHIP_IO_MODE_BUS_ in W5500 !!!"
+ #endif
+#else
+ #error "Unknown _WIZCHIP_IO_MODE_ in W5500. !!!!"
+#endif
+
+ WIZCHIP.CS._deselect();
+ WIZCHIP_CRITICAL_EXIT();
+}
+
+
+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;
+}
+
+void wiz_send_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
+{
+ uint16_t ptr = 0;
+ uint32_t addrsel = 0;
+ if(len == 0) return;
+ ptr = getSn_TX_WR(sn);
+
+ addrsel = (ptr << 8) + (WIZCHIP_TXBUF_BLOCK(sn) << 3);
+ WIZCHIP_WRITE_BUF(addrsel,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 = 0;
+ uint32_t addrsel = 0;
+
+ if(len == 0) return;
+ ptr = getSn_RX_RD(sn);
+ addrsel = (ptr << 8) + (WIZCHIP_RXBUF_BLOCK(sn) << 3);
+
+ WIZCHIP_READ_BUF(addrsel, wizdata, len);
+ ptr += len;
+
+ setSn_RX_RD(sn,ptr);
+}
+
+
+void wiz_recv_ignore(uint8_t sn, uint16_t len)
+{
+ uint16_t ptr = 0;
+ ptr = getSn_RX_RD(sn);
+ ptr += len;
+ setSn_RX_RD(sn,ptr);
+}