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Merge pull request #2812 from jeromecoutant/PR_Add_MAC 

[STM32 NUCLEO] Init MAC address
pull/2859/head
Sam Grove 2016-09-30 14:52:46 -05:00 committed by GitHub
parent 2dd55716e0 7ec5de8c78
commit d8e484d091
2 changed files with 47 additions and 1 deletions
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4
features/net/FEATURE_IPV4/lwip-interface/lwip-eth/arch/TARGET_STM/TARGET_STM32F4/TARGET_UBLOX_C029/stm32f4_eth_init.c
View File

@ -119,7 +119,7 @@ void HAL_ETH_MspDeInit(ETH_HandleTypeDef* heth)
}
}
void mbed_mac_address(char *mac)
uint8_t mbed_otp_mac_address(char *mac)
{
C029_OTP_Header *pFound = NULL;
C029_OTP_Header *pTemp = (C029_OTP_Header*)C029_OTP_START_ADDRESS;
@ -140,4 +140,6 @@ void mbed_mac_address(char *mac)
}
}
memcpy(mac, _macAddr, 6);
return 1;
}

44
features/net/FEATURE_IPV4/lwip-interface/lwip-eth/arch/TARGET_STM/stm32xx_emac.c
View File

@ -50,6 +50,8 @@ static err_t _eth_arch_netif_output_ipv6(struct netif *netif, struct pbuf *q, co
static err_t _eth_arch_low_level_output(struct netif *netif, struct pbuf *p);
static struct pbuf * _eth_arch_low_level_input(struct netif *netif);
__weak uint8_t mbed_otp_mac_address(char *mac);
void mbed_default_mac_address(char *mac);
/**
* Ethernet Rx Transfer completed callback
@ -468,3 +470,45 @@ void eth_arch_disable_interrupts(void)
{
NVIC_DisableIRQ(ETH_IRQn);
}
/** This returns a unique 6-byte MAC address, based on the device UID
* This function overrides hal/common/mbed_interface.c function
* @param mac A 6-byte array to write the MAC address
*/
void mbed_mac_address(char *mac) {
if (mbed_otp_mac_address(mac)) {
return;
} else {
mbed_default_mac_address(mac);
}
return;
}
__weak uint8_t mbed_otp_mac_address(char *mac) {
return 0;
}
void mbed_default_mac_address(char *mac) {
unsigned char ST_mac_addr[3] = {0x00, 0x80, 0xe1}; // default STMicro mac address
// Read unic id
#if defined (TARGET_STM32F2)
uint32_t word0 = *(uint32_t *)0x1FFF7A10;
#elif defined (TARGET_STM32F4)
uint32_t word0 = *(uint32_t *)0x1FFF7A10;
#elif defined (TARGET_STM32F7)
uint32_t word0 = *(uint32_t *)0x1FF0F420;
#else
#error MAC address can not be derived from target unique Id
#endif
mac[0] = ST_mac_addr[0];
mac[1] = ST_mac_addr[1];
mac[2] = ST_mac_addr[2];
mac[3] = (word0 & 0x00ff0000) >> 16;
mac[4] = (word0 & 0x0000ff00) >> 8;
mac[5] = (word0 & 0x000000ff);
return;
}