diff options
Diffstat (limited to 'src/DuetNG/DuetEthernet/Wiznet/Ethernet/W5500/w5500.cpp')
| -rw-r--r-- | src/DuetNG/DuetEthernet/Wiznet/Ethernet/W5500/w5500.cpp | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/DuetNG/DuetEthernet/Wiznet/Ethernet/W5500/w5500.cpp b/src/DuetNG/DuetEthernet/Wiznet/Ethernet/W5500/w5500.cpp new file mode 100644 index 00000000..7447386b --- /dev/null +++ b/src/DuetNG/DuetEthernet/Wiznet/Ethernet/W5500/w5500.cpp @@ -0,0 +1,165 @@ +//***************************************************************************** +// +//! \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" + +#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) +{ + SpiAssertSS(); + SpiSendAddress(AddrSel | (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_)); + const uint8_t ret = SpiReadByte(); + SpiReleaseSS(); + return ret; +} + +void WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb ) +{ + SpiAssertSS(); + SpiSendAddress(AddrSel | (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_)); + SpiSendByte(wb); + SpiReleaseSS(); +} + +void WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len) +{ + SpiAssertSS(); + SpiSendAddress(AddrSel | (_W5500_SPI_READ_ | _W5500_SPI_VDM_OP_)); + SpiReadBurst(pBuf, len); + SpiReleaseSS(); +} + +void WIZCHIP_WRITE_BUF(uint32_t AddrSel, const uint8_t* pBuf, uint16_t len) +{ + SpiAssertSS(); + SpiSendAddress(AddrSel | (_W5500_SPI_WRITE_ | _W5500_SPI_VDM_OP_)); + SpiSendBurst(pBuf, len); + SpiReleaseSS(); +} + + +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) +{ + 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 |