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This commit is contained in:
386
Ethernet/W5100/w5100.c
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386
Ethernet/W5100/w5100.c
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//*****************************************************************************
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//
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//! \file w5100.c
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//! \brief W5100 HAL Interface.
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//! \version 1.0.0
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//! \date 2013/10/21
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//! \par Revision history
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//! <2013/10/21> 1st Release
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//! \author MidnightCow
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//!
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//! Copyright (c) 2013, WIZnet Co., LTD.
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//! All rights reserved.
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//!
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//! Redistribution and use in source and binary forms, with or without
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//! modification, are permitted provided that the following conditions
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//! are met:
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//!
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//! * Redistributions of source code must retain the above copyright
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//! notice, this list of conditions and the following disclaimer.
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//! * Redistributions in binary form must reproduce the above copyright
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//! notice, this list of conditions and the following disclaimer in the
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//! documentation and/or other materials provided with the distribution.
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//! * Neither the name of the <ORGANIZATION> nor the names of its
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//! contributors may be used to endorse or promote products derived
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//! from this software without specific prior written permission.
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//!
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//! THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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//! AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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//! IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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//! ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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//! LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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//! CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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//! SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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//! INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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//! CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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//! ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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//! THE POSSIBILITY OF SUCH DAMAGE.
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//
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//*****************************************************************************
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#include "w5100.h"
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#if (_WIZCHIP_ == 5100)
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/**
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@brief This function writes the data into W5100 registers.
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*/
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void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
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{
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WIZCHIP_CRITICAL_ENTER();
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WIZCHIP.CS._select();
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#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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WIZCHIP.IF.SPI._write_byte(0xF0);
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WIZCHIP.IF.SPI._write_byte((AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF) >> 0);
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WIZCHIP.IF.SPI._write_byte(wb); // Data write (write 1byte data)
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
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//M20150601 : Rename the function for integrating with ioLibrary
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//WIZCHIP.IF.BUS._write_byte(AddrSel,wb);
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WIZCHIP.IF.BUS._write_data(AddrSel,wb);
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
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//add indirect bus
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//M20150601 : Rename the function for integrating with ioLibrary
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//WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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//WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));
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//WIZCHIP.IF.BUS._write_byte(IDM_DR,wb);
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WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));
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WIZCHIP.IF.BUS._write_data(IDM_DR,wb);
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#else
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#error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!"
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#endif
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WIZCHIP.CS._deselect();
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WIZCHIP_CRITICAL_EXIT();
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}
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/**
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@brief This function reads the value from W5100 registers.
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*/
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uint8_t WIZCHIP_READ(uint32_t AddrSel)
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{
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uint8_t ret;
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WIZCHIP_CRITICAL_ENTER();
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WIZCHIP.CS._select();
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#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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WIZCHIP.IF.SPI._write_byte(0x0F);
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WIZCHIP.IF.SPI._write_byte((AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.SPI._write_byte((AddrSel & 0x00FF) >> 0);
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ret = WIZCHIP.IF.SPI._read_byte();
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
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//M20150601 : Rename the function for integrating with ioLibrary
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//ret = WIZCHIP.IF.BUS._read_byte(AddrSel);
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ret = WIZCHIP.IF.BUS._read_data(AddrSel);
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
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//add indirect bus
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//M20150601 : Rename the function for integrating with ioLibrary
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//WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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//WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));
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//ret = WIZCHIP.IF.BUS._read_byte(IDM_DR);
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WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));
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ret = WIZCHIP.IF.BUS._read_data(IDM_DR);
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#else
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#error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!"
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#endif
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WIZCHIP.CS._deselect();
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WIZCHIP_CRITICAL_EXIT();
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return ret;
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}
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/**
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@brief This function writes into W5100 memory(Buffer)
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*/
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void WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
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{
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uint16_t i = 0;
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WIZCHIP_CRITICAL_ENTER();
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WIZCHIP.CS._select(); //M20150601 : Moved here.
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#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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for(i = 0; i < len; i++)
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{
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//M20160715 : Depricated "M20150601 : Remove _select() to top-side"
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// CS should be controlled every SPI frames
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WIZCHIP.CS._select();
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WIZCHIP.IF.SPI._write_byte(0xF0);
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WIZCHIP.IF.SPI._write_byte((((uint16_t)(AddrSel+i)) & 0xFF00) >> 8);
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WIZCHIP.IF.SPI._write_byte((((uint16_t)(AddrSel+i)) & 0x00FF) >> 0);
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WIZCHIP.IF.SPI._write_byte(pBuf[i]); // Data write (write 1byte data)
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//M20160715 : Depricated "M20150601 : Remove _select() to top-side"
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WIZCHIP.CS._deselect();
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}
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
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for(i = 0; i < len; i++)
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//M20150601 : Rename the function for integrating with ioLibrary
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// WIZCHIP.IF.BUS._write_byte(AddrSel+i,pBuf[i]);
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WIZCHIP.IF.BUS._write_data(AddrSel+i,pBuf[i]);
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
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//M20150601 : Rename the function for integrating with ioLibrary
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/*
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WIZCHIP_WRITE(MR,WIZCHIP_READ(MR) | MR_AI);
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WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));
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for(i = 0 ; i < len; i++)
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WIZCHIP.IF.BUS._write_byte(IDM_DR,pBuf[i]);
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WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) & ~MR_AI);
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*/
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setMR(getMR()|MR_AI);
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WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));
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for(i = 0 ; i < len; i++)
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WIZCHIP.IF.BUS._write_data(IDM_DR,pBuf[i]);
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setMR(getMR() & ~MR_AI);
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#else
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#error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!!"
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#endif
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WIZCHIP.CS._deselect(); //M20150601 : Moved here.
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WIZCHIP_CRITICAL_EXIT();
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}
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/**
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@brief This function reads into W5100 memory(Buffer)
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*/
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void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
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{
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uint16_t i = 0;
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WIZCHIP_CRITICAL_ENTER();
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WIZCHIP.CS._select(); //M20150601 : Moved here.
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#if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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for(i = 0; i < len; i++)
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{
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//M20160715 : Depricated "M20150601 : Remove _select() to top-side"
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// CS should be controlled every SPI frames
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WIZCHIP.CS._select();
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WIZCHIP.IF.SPI._write_byte(0x0F);
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WIZCHIP.IF.SPI._write_byte((uint16_t)((AddrSel+i) & 0xFF00) >> 8);
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WIZCHIP.IF.SPI._write_byte((uint16_t)((AddrSel+i) & 0x00FF) >> 0);
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pBuf[i] = WIZCHIP.IF.SPI._read_byte();
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//M20160715 : Depricated "M20150601 : Remove _select() to top-side"
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WIZCHIP.CS._deselect();
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}
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_) )
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for(i = 0 ; i < len; i++)
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//M20150601 : Rename the function for integrating with ioLibrary
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// pBuf[i] = WIZCHIP.IF.BUS._read_byte(AddrSel+i);
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pBuf[i] = WIZCHIP.IF.BUS._read_data(AddrSel+i);
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#elif ( (_WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_INDIR_) )
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//M20150601 : Rename the function for integrating with ioLibrary
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/*
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WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) | MR_AI);
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WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x00FF));
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for(i = 0 ; i < len; i++)
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pBuf[i] = WIZCHIP.IF.BUS._read_byte(IDM_DR);
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WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) & ~MR_AI);
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*/
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setMR(getMR() | MR_AI);
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WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0xFF00) >> 8);
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WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x00FF));
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for(i = 0 ; i < len; i++)
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pBuf[i] = WIZCHIP.IF.BUS._read_data(IDM_DR);
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setMR(getMR() & ~MR_AI);
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#else
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#error "Unknown _WIZCHIP_IO_MODE_ in W5100. !!!!"
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#endif
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WIZCHIP.CS._deselect(); //M20150601 : Moved Here.
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WIZCHIP_CRITICAL_EXIT();
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}
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///////////////////////////////////
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// Socket N regsiter IO function //
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///////////////////////////////////
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uint16_t getSn_TX_FSR(uint8_t sn)
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{
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uint16_t val=0,val1=0;
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do
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{
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val1 = WIZCHIP_READ(Sn_TX_FSR(sn));
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val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
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if (val1 != 0)
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{
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val = WIZCHIP_READ(Sn_TX_FSR(sn));
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val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_TX_FSR(sn),1));
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}
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}while (val != val1);
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return val;
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}
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uint16_t getSn_RX_RSR(uint8_t sn)
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{
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uint16_t val=0,val1=0;
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do
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{
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val1 = WIZCHIP_READ(Sn_RX_RSR(sn));
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val1 = (val1 << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
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if (val1 != 0)
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{
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val = WIZCHIP_READ(Sn_RX_RSR(sn));
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val = (val << 8) + WIZCHIP_READ(WIZCHIP_OFFSET_INC(Sn_RX_RSR(sn),1));
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}
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}while (val != val1);
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return val;
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}
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/////////////////////////////////////
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// Sn_TXBUF & Sn_RXBUF IO function //
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/////////////////////////////////////
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uint32_t getSn_RxBASE(uint8_t sn)
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{
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int8_t i;
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#if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
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uint32_t rxbase = _W5100_IO_BASE_ + _WIZCHIP_IO_RXBUF_;
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#else
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uint32_t rxbase = _WIZCHIP_IO_RXBUF_;
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#endif
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for(i = 0; i < sn; i++)
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rxbase += getSn_RxMAX(i);
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return rxbase;
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}
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uint32_t getSn_TxBASE(uint8_t sn)
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{
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int8_t i;
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#if ( _WIZCHIP_IO_MODE_ == _WIZCHIP_IO_MODE_BUS_DIR_)
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uint32_t txbase = _W5100_IO_BASE_ + _WIZCHIP_IO_TXBUF_;
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#else
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uint32_t txbase = _WIZCHIP_IO_TXBUF_;
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#endif
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for(i = 0; i < sn; i++)
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txbase += getSn_TxMAX(i);
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return txbase;
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}
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/**
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@brief This function is being called by send() and sendto() function also. for copy the data form application buffer to Transmite buffer of the chip.
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This function read the Tx write pointer register and after copy the data in buffer update the Tx write pointer
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register. User should read upper byte first and lower byte later to get proper value.
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And this function is being used for copy the data form application buffer to Transmite
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buffer of the chip. It calculate the actual physical address where one has to write
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the data in transmite buffer. Here also take care of the condition while it exceed
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the Tx memory uper-bound of socket.
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*/
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void wiz_send_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
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{
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uint16_t ptr;
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uint16_t size;
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uint16_t dst_mask;
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uint16_t dst_ptr;
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ptr = getSn_TX_WR(sn);
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dst_mask = ptr & getSn_TxMASK(sn);
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dst_ptr = getSn_TxBASE(sn) + dst_mask;
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if (dst_mask + len > getSn_TxMAX(sn))
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{
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size = getSn_TxMAX(sn) - dst_mask;
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WIZCHIP_WRITE_BUF(dst_ptr, wizdata, size);
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wizdata += size;
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size = len - size;
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dst_ptr = getSn_TxBASE(sn);
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WIZCHIP_WRITE_BUF(dst_ptr, wizdata, size);
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}
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else
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{
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WIZCHIP_WRITE_BUF(dst_ptr, wizdata, len);
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}
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ptr += len;
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setSn_TX_WR(sn, ptr);
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}
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/**
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@brief This function is being called by recv() also. This function is being used for copy the data form Receive buffer of the chip to application buffer.
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This function read the Rx read pointer register
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and after copy the data from receive buffer update the Rx write pointer register.
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User should read upper byte first and lower byte later to get proper value.
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It calculate the actual physical address where one has to read
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the data from Receive buffer. Here also take care of the condition while it exceed
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the Rx memory uper-bound of socket.
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*/
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void wiz_recv_data(uint8_t sn, uint8_t *wizdata, uint16_t len)
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{
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uint16_t ptr;
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uint16_t size;
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uint16_t src_mask;
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uint16_t src_ptr;
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ptr = getSn_RX_RD(sn);
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src_mask = (uint32_t)ptr & getSn_RxMASK(sn);
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src_ptr = (getSn_RxBASE(sn) + src_mask);
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if( (src_mask + len) > getSn_RxMAX(sn) )
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{
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size = getSn_RxMAX(sn) - src_mask;
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WIZCHIP_READ_BUF((uint32_t)src_ptr, (uint8_t*)wizdata, size);
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wizdata += size;
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size = len - size;
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src_ptr = getSn_RxBASE(sn);
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WIZCHIP_READ_BUF(src_ptr, (uint8_t*)wizdata, size);
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}
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else
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{
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WIZCHIP_READ_BUF(src_ptr, (uint8_t*)wizdata, len);
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}
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ptr += len;
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setSn_RX_RD(sn, ptr);
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}
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void wiz_recv_ignore(uint8_t sn, uint16_t len)
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{
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uint16_t ptr;
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ptr = getSn_RX_RD(sn);
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ptr += len;
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setSn_RX_RD(sn,ptr);
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}
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#endif
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