Diff: targets/hal/TARGET_ARM_SSG/TARGET_MPS2/SDK/mps2_ethernet_api.c

Revision:

580:3c14cb9b87c5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/hal/TARGET_ARM_SSG/TARGET_MPS2/SDK/mps2_ethernet_api.c	Thu Jul 02 16:15:09 2015 +0100
@@ -0,0 +1,127 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2015 ARM Limited
+ *
+ * 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 <string.h>
+
+#include "mps2_ethernet_api.h"
+#include "cmsis.h"
+#include "mbed_interface.h"
+#include "toolchain.h"
+#include "mbed_error.h"
+#include "ETH_MPS2.h"
+#include "wait_api.h"
+
+#define TX_PKT_SIZE 256
+#define RX_PKT_SIZE 300
+
+// Types
+#undef FALSE
+#undef TRUE
+#define FALSE   0
+#define TRUE    1
+
+
+int smsc9220_check_id(void)
+{
+    int error;
+    unsigned int id;
+    error = 0;
+
+    id = smsc9220_read_id();
+
+    // If bottom and top halves of the word are the same
+    if(((id >> 16) & 0xFFFF) == (id & 0xFFFF)) {
+        error = 1;
+        return error;
+    }
+    switch(((id >> 16) & 0xFFFF)) {
+        case 0x9220:
+            break;
+
+        default:
+            error = 1;
+            break;
+    }
+
+    return error;
+}
+
+int smsc9220_check_macaddress(void)
+{
+    int error;
+    const unsigned int mac_valid_high = 0xC00A;
+    const unsigned int mac_valid_low = 0x00F70200;
+    unsigned int mac_low;
+    unsigned int mac_high;
+
+    error = 0;
+
+    // Read current mac address.
+    smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high);
+    smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low);
+
+    // Writing temporary address:
+    smsc9220_mac_regwrite(SMSC9220_MAC_ADDRH, mac_valid_high);
+    smsc9220_mac_regwrite(SMSC9220_MAC_ADDRL, mac_valid_low);
+
+    // Verify write was correct:
+    smsc9220_mac_regread(SMSC9220_MAC_ADDRH, &mac_high);
+    smsc9220_mac_regread(SMSC9220_MAC_ADDRL, &mac_low);
+
+
+    if(mac_high != mac_valid_high || mac_low != mac_valid_low) {
+        error = TRUE;
+        return error;
+    }
+
+    return error;
+}
+
+
+/*----------------------------------------------------------------------------
+  Ethernet Device initialize
+ *----------------------------------------------------------------------------*/
+
+int ethernet_transmission(unsigned char * pkt, unsigned int length)
+{
+	smsc9220_xmit_packet(pkt, length);
+	return 0;
+}
+
+int ethernet_reception(unsigned int *recvbuf, unsigned int *index) 
+{
+	return smsc9220_recv_packet((unsigned int *)recvbuf, index);
+}
+
+int ethernet_mac_address(char *mac) 
+{
+    return smsc9220_check_macaddress();
+}
+
+unsigned int ethernet_check_ready(void)
+{
+	return smsc9220_check_ready();
+}
+
+unsigned int ethernet_intf()
+{
+  unsigned int txfifo_inf;
+ 
+	txfifo_inf = SMSC9220->TX_FIFO_INF;
+	
+	return txfifo_inf;
+
+}
+