Doug Anson
Library for inclusion of main.cpp -forked
Dependents: df-2014-workshop-rfid-case-generator-k64f df-2014-rfid-case-gen-k64f-complete df-2014-rfid-case-gen-k64f-exercise
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EndpointMain
by 
Doug Anson
Revision 3:1d8589377a86, committed 2014-10-07
- Comitter:
- ansond
- Date:
- Tue Oct 07 18:42:47 2014 +0000
- Parent:
- 2:55b1877a3a14
- Commit message:
- updates for mac generation on K64F
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 55b1877a3a14 -r 1d8589377a86 main.cpp
--- a/main.cpp Fri Sep 26 04:34:23 2014 +0000
+++ b/main.cpp Tue Oct 07 18:42:47 2014 +0000
@@ -32,6 +32,30 @@
// StatusReporter
#include "StatusReporter.h"
+
+ #if _K64F_PLATFORM
+ // the K64F does not have a unique MAC address - so we must give it one...
+ extern "C" void mbed_mac_address(char *mac)
+ {
+ // Fetch word 0
+ uint32_t word0 = *(uint32_t *)0x40048060;
+ // Fetch word 1
+ // we only want bottom 16 bits of word1 (MAC bits 32-47)
+ // and bit 9 forced to 1, bit 8 forced to 0
+ // Locally administered MAC, reduced conflicts
+ // http://en.wikipedia.org/wiki/MAC_address
+ uint32_t word1 = *(uint32_t *)0x4004805C;
+ word1 |= 0x00000200;
+ word1 &= 0x0000FEFF;
+
+ mac[0] = (word1 & 0x000000ff);
+ mac[1] = (word1 & 0x0000ff00) >> 8;
+ mac[2] = (word0 & 0xff000000) >> 24;
+ mac[3] = (word0 & 0x00ff0000) >> 16;
+ mac[4] = (word0 & 0x0000ff00) >> 8;
+ mac[5] = (word0 & 0x000000ff);
+ }
+ #endif // _K64F_PLATFORM
// Main Task...
void mainTask(void const *v) {