Diff: capi/mbed_interface.c

Revision:

2:143cac498751

Parent:

0:fd0d7bdfcdc2

--- a/capi/mbed_interface.c	Thu Nov 29 15:41:14 2012 +0000
+++ b/capi/mbed_interface.c	Mon Feb 18 11:44:18 2013 +0000
@@ -1,23 +1,17 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2006-2012 ARM Limited
+ * Copyright (c) 2006-2013 ARM Limited
  *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * 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
  *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
+ *     http://www.apache.org/licenses/LICENSE-2.0
  *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
+ * 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 "mbed_interface.h"
@@ -26,6 +20,9 @@
 #include "wait_api.h"
 #include "semihost_api.h"
 #include "error.h"
+#include "toolchain.h"
+
+#if DEVICE_SEMIHOST
 
 // return true if a debugger is attached, indicating mbed interface is connected
 int mbed_interface_connected(void) {
@@ -34,15 +31,15 @@
 
 int mbed_interface_reset(void) {
     if (mbed_interface_connected()) {
-        semihost_reset(); 
+        semihost_reset();
         return 0;
     } else {
         return -1;
     }
 }
 
-int mbed_interface_uid(char *uid) __attribute__((weak));
-int mbed_interface_uid(char *uid) {
+WEAK int mbed_interface_uid(char *uid);
+WEAK int mbed_interface_uid(char *uid) {
     if (mbed_interface_connected()) {
         return semihost_uid(uid); // Returns 0 if successful, -1 on failure
     } else {
@@ -60,7 +57,6 @@
 }
 
 int mbed_interface_powerdown(void) {
-    mbed_interface_disconnect();
     if (mbed_interface_connected()) {
         return semihost_powerdown();
     } else {
@@ -68,36 +64,44 @@
     }
 }
 
-void mbed_mac_address(char *mac) __attribute__((weak));
-void mbed_mac_address(char *mac) {
-    char uid[33];
-    int i;
-    
-    // if we have a UID, extract the MAC
-    if (mbed_interface_uid(uid) == 0) {
-        char *p = uid + 20;
-        for (i=0; i<6; i++) {
-            int byte;
-            sscanf(p, "%2x", &byte);
-            mac[i] = byte;
-            p += 2;
-        }
-    } else {  // else return a default MAC
-        mac[0] = 0x00;
-        mac[1] = 0x02;
-        mac[2] = 0xF7;
-        mac[3] = 0xF0;
-        mac[4] = 0x00;
-        mac[5] = 0x00;
-    }
-}
-
 // for backward compatibility
 void mbed_reset(void) {
     mbed_interface_reset();
 }
 
-int mbed_uid(char *uid) __attribute__((weak));
-int mbed_uid(char *uid) {
+WEAK int mbed_uid(char *uid);
+WEAK int mbed_uid(char *uid) {
     return mbed_interface_uid(uid);
 }
+#endif
+
+WEAK void mbed_mac_address(char *mac);
+WEAK void mbed_mac_address(char *mac) {
+#if DEVICE_SEMIHOST
+    char uid[DEVICE_ID_LENGTH + 1];
+    int i;
+    
+    // if we have a UID, extract the MAC
+    if (mbed_interface_uid(uid) == 0) {
+        char *p = uid;
+#if defined(DEVICE_MAC_OFFSET)
+        p += DEVICE_MAC_OFFSET;
+#endif
+        for (i=0; i<6; i++) {
+            int byte;
+            sscanf(p, "%2x", &byte);
+            mac[i] = byte;
+            p += 2;
+        }
+    } else {  // else return a default MAC
+#endif
+        mac[0] = 0x00;
+        mac[1] = 0x02;
+        mac[2] = 0xF7;
+        mac[3] = 0xF0;
+        mac[4] = 0x00;
+        mac[5] = 0x00;
+#if DEVICE_SEMIHOST
+    }
+#endif
+}