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//*****************************************************************************
//
//! \file w5500.cpp
//! \brief W5500 HAL Interface.
//! \version 1.0.2
//! \date 2013/10/21
//! \par Revision history
//! <2015/02/05> Notice
//! The version history is not updated after this point.
//! Download the latest version directly from GitHub. Please visit the our GitHub repository for ioLibrary.
//! >> https://github.com/Wiznet/ioLibrary_Driver
//! <2014/05/01> V1.0.2
//! 1. Implicit type casting -> Explicit type casting. Refer to M20140501
//! Fixed the problem on porting into under 32bit MCU
//! Issued by Mathias ClauBen, wizwiki forum ID Think01 and bobh
//! Thank for your interesting and serious advices.
//! <2013/12/20> V1.0.1
//! 1. Remove warning
//! 2. WIZCHIP_READ_BUF WIZCHIP_WRITE_BUF in case _WIZCHIP_IO_MODE_SPI_FDM_
//! for loop optimized(removed). refer to M20131220
//! <2013/10/21> 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 "w5500.h"
#include "WizSpi.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)
{
WizSpi::AssertSS();
WizSpi::SendAddress(AddrSel | (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_));
const uint8_t ret = WizSpi::ExchangeByte(0xFF, true);
WizSpi::ReleaseSS();
return ret;
}
void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
{
WizSpi::AssertSS();
WizSpi::SendAddress(AddrSel | (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_));
WizSpi::ExchangeByte(wb, true);
WizSpi::ReleaseSS();
}
void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
{
WizSpi::AssertSS();
WizSpi::SendAddress(AddrSel | (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_));
WizSpi::ReadBurst(pBuf, len);
WizSpi::ReleaseSS();
}
void WIZCHIP_WRITE_BUF(uint32_t AddrSel, const uint8_t* pBuf, uint16_t len)
{
WizSpi::AssertSS();
WizSpi::SendAddress(AddrSel | (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_));
WizSpi::SendBurst(pBuf, len);
WizSpi::ReleaseSS();
}
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, const uint8_t *wizdata, uint16_t len)
{
if (len != 0)
{
uint16_t ptr = getSn_TX_WR(sn);
uint32_t addrsel = ((uint32_t)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)
{
if (len != 0)
{
uint16_t ptr = getSn_RX_RD(sn);
uint32_t addrsel = ((uint32_t)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 = getSn_RX_RD(sn);
ptr += len;
setSn_RX_RD(sn,ptr);
}
// End
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