Sam Grove / k64f_uuid

UUID read and print

Dependencies:   mbed

main.cpp@7:b66c459fd169, 2015-04-21 (annotated)

Committer:
sam_grove
Date:
Tue Apr 21 23:52:25 2015 +0000
Revision:
7:b66c459fd169
Parent:
6:3deacf18cc07
Child:
8:a9f1c2722cd9
update program to print UUID or MAC formatted UUID

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:496297783a79 1 #include "mbed.h"
sam_grove 0:496297783a79 2
sam_grove 4:dd6505971fd2 3 // new comment
sam_grove 4:dd6505971fd2 4
sam_grove 2:3d2e61cce12a 5 //#if defined(TARGET_K64F)
sam_grove 2:3d2e61cce12a 6 //#if defined(TARGET_LPC1768)
sam_grove 2:3d2e61cce12a 7 #if defined(TARGET_C027)
sam_grove 2:3d2e61cce12a 8 #error haha
sam_grove 2:3d2e61cce12a 9 #endif
sam_grove 2:3d2e61cce12a 10
sam_grove 7:b66c459fd169 11 int main()
sam_grove 7:b66c459fd169 12 {
sam_grove 7:b66c459fd169 13 unsigned int UUID_LOC_WORD0 = 0x40048060;
sam_grove 7:b66c459fd169 14 unsigned int UUID_LOC_WORD1 = 0x4004805C;
sam_grove 7:b66c459fd169 15
sam_grove 7:b66c459fd169 16 // Fetch word 0
sam_grove 7:b66c459fd169 17 uint32_t word0 = *(uint32_t *)UUID_LOC_WORD0;
sam_grove 7:b66c459fd169 18
sam_grove 7:b66c459fd169 19 // Fetch word 1
sam_grove 7:b66c459fd169 20 // we only want bottom 16 bits of word1 (MAC bits 32-47)
sam_grove 7:b66c459fd169 21 // and bit 9 forced to 1, bit 8 forced to 0
sam_grove 7:b66c459fd169 22 // Locally administered MAC, reduced conflicts
sam_grove 7:b66c459fd169 23 // http://en.wikipedia.org/wiki/MAC_address
sam_grove 7:b66c459fd169 24 uint32_t word1 = *(uint32_t *)UUID_LOC_WORD1;
sam_grove 7:b66c459fd169 25 //word1 |= 0x00000200;
sam_grove 7:b66c459fd169 26 //word1 &= 0x0000FEFF;
sam_grove 0:496297783a79 27
sam_grove 7:b66c459fd169 28 //printf("%4x%08x", word1, word0); // Device id must be in lower case
sam_grove 7:b66c459fd169 29 printf("%08x%08x", word1, word0); // Device id must be in lower case
sam_grove 7:b66c459fd169 30
sam_grove 7:b66c459fd169 31 while(1);
sam_grove 0:496297783a79 32 }
sam_grove 0:496297783a79 33