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			354 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
			
		
		
	
	
			354 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
| //*****************************************************************************
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| //
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| //! \file w5200.c
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| //! \brief W5200 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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| 
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| #include "w5200.h"
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| 
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| #if   (_WIZCHIP_ == 5200)
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| /**
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| @brief  This function writes the data into W5200 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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| 
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| #if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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|    WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >>  0);
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|    WIZCHIP.IF.SPI._write_byte(_W5200_SPI_WRITE_);  // Data write command and Write data length upper
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|    WIZCHIP.IF.SPI._write_byte(0x01);  // Write data length lower
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|    WIZCHIP.IF.SPI._write_byte(wb);    // Data write (write 1byte data)
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| 
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| #elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
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| 
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|    //add indirect bus 
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|    //M20150601 : Rename the function for integrating with W5300
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|    //WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0x0000FF00) >>  8);
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|    //WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x000000FF));	
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|    //WIZCHIP.IF.BUS._write_byte(IDM_DR,wb);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x000000FF));	
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|    WIZCHIP.IF.BUS._write_data(IDM_DR,wb);
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| 
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| #else
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|    #error "Unknown _WIZCHIP_IO_MODE_ in W5200. !!!"
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| #endif
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| 
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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 W5200 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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| 
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|    WIZCHIP_CRITICAL_ENTER();
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|    WIZCHIP.CS._select();
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| 
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| #if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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|    WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >>  0);
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|    WIZCHIP.IF.SPI._write_byte(_W5200_SPI_READ_);                             // Read data length upper    
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|    WIZCHIP.IF.SPI._write_byte(0x01);                             // Data length lower  
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|    ret = WIZCHIP.IF.SPI._read_byte(); 
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| 
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| #elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
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| 
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|    //add indirect bus
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|    //M20150601 : Rename the function for integrating with W5300
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|    //WIZCHIP.IF.BUS._write_byte(IDM_AR0,(AddrSel & 0x0000FF00) >>  8);
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|    //WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x000000FF));	
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|    //ret = WIZCHIP.IF.BUS._read_byte(IDM_DR);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR0,(AddrSel & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x000000FF));	
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|    ret = WIZCHIP.IF.BUS._read_data(IDM_DR);
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|    	
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| #else
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|    #error "Unknown _WIZCHIP_IO_MODE_ in W5200. !!!"   
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| #endif
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| 
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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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| 
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| /**
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| @brief  This function writes into W5200 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();
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| 
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| #if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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|   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >>  8);
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|   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >>  0);
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|   WIZCHIP.IF.SPI._write_byte(_W5200_SPI_WRITE_ | ((len & 0x7F00) >> 8));         // Write data op code and length upper    
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|   WIZCHIP.IF.SPI._write_byte((len & 0x00FF) >> 0);         // length lower
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|   for(i = 0; i < len; i++)
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|      WIZCHIP.IF.SPI._write_byte(pBuf[i]);
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| 
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| #elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
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|    //M20150601 : Rename the function for integrating with W5300
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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 & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x000000FF));
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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 & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x000000FF));
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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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|    WIZCHIP_WRITE(MR, WIZCHIP_READ(MR) & ~MR_AI);   
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| #else
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|    #error "Unknown _WIZCHIP_IO_MODE_ in W5200. !!!!"
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| #endif
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| 
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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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| /**
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| @brief  This function reads into W5200 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();
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| 
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| #if( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_SPI_))
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|   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x0000FF00) >>  8);
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|   WIZCHIP.IF.SPI._write_byte((AddrSel & 0x000000FF) >>  0);
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|   WIZCHIP.IF.SPI._write_byte( _W5200_SPI_READ_ | ((len & 0x7F00) >> 8));         // Write data op code and length upper    
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|   WIZCHIP.IF.SPI._write_byte((len & 0x00FF) >> 0);         // length lower
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|   for(i = 0; i < len; i++)
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|     pBuf[i] = WIZCHIP.IF.SPI._read_byte();
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|  
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| #elif ( (_WIZCHIP_IO_MODE_ & _WIZCHIP_IO_MODE_BUS_) )
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|    //M20150601 : Rename the function for integrating with W5300
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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 & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_byte(IDM_AR1,(AddrSel & 0x000000FF));	
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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 & 0x0000FF00) >>  8);
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|    WIZCHIP.IF.BUS._write_data(IDM_AR1,(AddrSel & 0x000000FF));	
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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 W5200. !!!!"
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| #endif
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| 
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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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| ///////////////////////////////////
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| // Socket N regsiter IO function //
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| ///////////////////////////////////
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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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| 
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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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| /////////////////////////////////////
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| // Sn_TXBUF & Sn_RXBUF IO function //
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| /////////////////////////////////////
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| 
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| uint16_t getSn_RxBASE(uint8_t sn)
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| {
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|    int8_t  i;
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|    uint16_t rxbase = _WIZCHIP_IO_RXBUF_;
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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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| 
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| uint16_t getSn_TxBASE(uint8_t sn)
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| {
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|    int8_t  i;
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|    uint16_t txbase = _WIZCHIP_IO_TXBUF_;
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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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| /**
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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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| 
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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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| */
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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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|   
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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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|   uint8_t * dst_ptr;
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| 
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|   ptr = getSn_TX_WR(sn);
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| 
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| 
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|   dst_mask = (uint32_t)ptr & getSn_TxMASK(sn);
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|   dst_ptr = (uint8_t*)((uint32_t)getSn_TxBASE(sn) + dst_mask);
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|   
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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((uint32_t)dst_ptr, wizdata, size);
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|     wizdata += size;
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|     size = len - size;
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|     dst_ptr = (uint8_t*)((uint32_t)getSn_TxBASE(sn));
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|     WIZCHIP_WRITE_BUF((uint32_t)dst_ptr, wizdata, size);
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|   } 
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|   else
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|   {
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|     WIZCHIP_WRITE_BUF((uint32_t)dst_ptr, wizdata, len);
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|   }
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| 
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|   ptr += len;
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| 
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|   setSn_TX_WR(sn, ptr);  
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| }
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| 
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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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| 
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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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|   uint8_t * src_ptr;
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| 
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|   ptr = getSn_RX_RD(sn);
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|   
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|   src_mask = (uint32_t)ptr & getSn_RxMASK(sn);
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|   src_ptr = (uint8_t *)((uint32_t)getSn_RxBASE(sn) + src_mask);
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|   
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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 = (uint8_t*)((uint32_t)getSn_RxBASE(sn));
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|     WIZCHIP_READ_BUF((uint32_t)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((uint32_t)src_ptr, (uint8_t*)wizdata, len);
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|   }
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|     
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|   ptr += len;
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|   
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|   setSn_RX_RD(sn, ptr);
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| }
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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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| 
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|   ptr = getSn_RX_RD(sn);
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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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| 
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| #endif
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