Diff: Ethernet/W5500/w5500.c

Revision:

0:2513c6696bdc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ethernet/W5500/w5500.c	Fri Dec 13 07:35:58 2013 +0000
@@ -0,0 +1,170 @@
+/* Wiznet W5500 Library
+ * Copyright (c) 2013, WIZnet Co., LTD.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include "w5500.h"
+
+
+////////////////////////////////////////////////////
+
+uint8_t  WIZCHIP_READ(uint32_t AddrSel)
+{
+   uint8_t ret;
+
+   WIZCHIP_CRITICAL_ENTER();
+   WIZCHIP.CS._select();
+
+   AddrSel |= (_W5500_SPI_READ_);
+
+   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();
+
+   WIZCHIP.CS._deselect();
+   WIZCHIP_CRITICAL_EXIT();
+   return ret;
+}
+
+void     WIZCHIP_WRITE(uint32_t AddrSel, uint8_t wb )
+{
+    WIZCHIP_CRITICAL_ENTER();
+   WIZCHIP.CS._select();
+
+   AddrSel |= (_W5500_SPI_WRITE_);
+
+   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);
+
+   WIZCHIP.CS._deselect();
+   WIZCHIP_CRITICAL_EXIT();
+}
+         
+void     WIZCHIP_READ_BUF (uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
+{
+   uint16_t i = 0;
+   
+   WIZCHIP_CRITICAL_ENTER();
+   WIZCHIP.CS._select();
+
+    AddrSel |= (_W5500_SPI_READ_);
+    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();
+  
+   WIZCHIP.CS._deselect();
+   WIZCHIP_CRITICAL_EXIT();
+}
+
+void     WIZCHIP_WRITE_BUF(uint32_t AddrSel, uint8_t* pBuf, uint16_t len)
+{
+   uint16_t i = 0;
+   
+   WIZCHIP_CRITICAL_ENTER();
+   WIZCHIP.CS._select();
+
+      AddrSel |= (_W5500_SPI_WRITE_ );
+      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]);
+
+   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);
+}