Diff: dev-enc28j60/tapdev.cpp

Revision:

0:685224d2f66d

Child:

3:a2715e9c7737

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dev-enc28j60/tapdev.cpp	Sat Jun 14 16:02:21 2014 +0000
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2001, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. 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.
+ *
+ * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ *
+ * Author: Adam Dunkels <adam@sics.se>
+ *
+ * $Id: tapdev.c,v 1.8 2006/06/07 08:39:58 adam Exp $
+ */
+
+#include "mbed.h"
+
+#include "enc28j60.h"
+#include "uip.h"
+
+#if defined(TARGET_LPC1768)
+SPI spi(p11, p12, p13); // mosi, miso, sclk
+ENC28J60 enc28j60(&spi, p14, p15); // cs, int
+#elif defined(TARGET_LPC1114)
+SPI spi(dp2, dp1, dp6); // mosi, miso, sclk
+ENC28J60 enc28j60(&spi, dp25, dp26); // cs, int
+#else
+#error no defined tapdev.
+#endif
+
+/*---------------------------------------------------------------------------*/
+void
+tapdev_init(void)
+{
+	enc28j60.init();
+}
+/*---------------------------------------------------------------------------*/
+unsigned int
+tapdev_read(void)
+{
+	unsigned int len;
+	len = enc28j60.packetReceive(UIP_BUFSIZE, (u8 *)uip_buf);
+	return len;
+}
+/*---------------------------------------------------------------------------*/
+void
+tapdev_send(void)
+{
+	if(uip_len <= 40 + UIP_LLH_LEN){
+		enc28j60.packetSend(uip_len, (u8 *)uip_buf);
+	}else{
+		enc28j60.packetSend2(54, (u8 *)uip_buf, uip_len -40 - UIP_LLH_LEN, (u8 *)uip_appdata);
+	}
+}
+/*---------------------------------------------------------------------------*/