Differences

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--- en:c2_board_identification [2016/03/16 10:23]
joy.cho [Android]
+++ en:c2_board_identification [2016/03/16 11:31] (current)
odroid [Ubuntu]
@@ Line 1: / Line 1: @@
 =========Board Identification =======
-under process
+To differentiate each C2 board, you can use 16-digit S/N or MAC that are written on C2 manufacturing line.
-===== Background =====
-(TODO)
 ===== Ubuntu =====
+Your kernel version should be 3.14.29-35 or higher to get the full 16 digit of unique ID.
 ==== Board Identification using usid ====
@@ Line 68: / Line 66: @@
 odroid@odroid64:~$ ip add | grep link/ether
     link/ether 00:12:34:56:78:9A brd ff:ff:ff:ff:ff:ff
+</code>
+==== S/N and MAC information on booting console ====
+If you need to confirm if the value that you read is right one, check booting log message on console.
+<code>
+U-Boot 2015.01-00076-gbeda694 (Mar 01 2016 - 10:35:37), Build: jenkins-s905_and8
+DRAM:  2 GiB
+Relocation Offset is: 76f41000
+-------------------------------------------------------------------------------------
+* Welcome to Hardkernel's ODROID-C2
+-------------------------------------------------------------------------------------
+CPU : AMLogic S905
+S/N : HKC2123456789ABC
+MAC : 00:12:34:56:78:9A
+BID : HKC2123456
+-------------------------------------------------------------------------------------
 </code>
@@ Line 88: / Line 104: @@
 HKC2123456789ABC
 </code>
+The native property_get method from a java app using jni can be a general and easy way.
+<file example>
+#include <cutils/perperties.h>
+void get_serialno(void) {
+    char serialno[16];
+    perperty_get("ro.serialno", serialno, "");
+    // or
+    perperty_get("ro.bootserialno", serialno, "");
+    .....
+}
+</file>