ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[NUC472] Adjust locally administered MAC address

pull/3918/head
cyliangtw 2017-03-09 21:05:50 +08:00
parent fa0f928de4
commit c58631bb71
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
features/FEATURE_LWIP/lwip-interface/lwip-eth/arch/TARGET_NUVOTON/TARGET_NUC472/nuc472_netif.c
View File

@ -100,6 +100,7 @@ struct ethernetif {
// Override mbed_mac_address of mbed_interface.c to provide ethernet devices with a semi-unique MAC address
void mbed_mac_address(char *mac)
{
uint32_t uID1;
// Fetch word 0
uint32_t word0 = *(uint32_t *)0x7F804; // 2KB Data Flash at 0x7F800
// Fetch word 1
@ -116,8 +117,9 @@ void mbed_mac_address(char *mac)
SYS_UnlockReg();
FMC_Open();
// = FMC_ReadUID(0);
word1 = FMC_ReadUID(1) >> 8;
word0 = ((FMC_ReadUID(0) >> 4) << 20) | (FMC_ReadUID(2) & 0xFFFFF);
uID1 = FMC_ReadUID(1);
word1 = (uID1 & 0x003FFFFF) | ((uID1 & 0x030000) << 6) >> 8;
word0 = ((FMC_ReadUID(0) >> 4) << 20) | ((uID1 & 0xFF)<<12) | (FMC_ReadUID(2) & 0xFFF);
/* Disable FMC ISP function */
FMC_Close();
/* Lock protected registers */