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Initialize addresses from CPU ID

dev/timer
Martin Lenders 9 years ago committed by Martine Lenders
parent
commit
30c92efa43
  1. 1
      Makefile.dep
  2. 44
      sys/auto_init/auto_init.c

1
Makefile.dep

@ -89,6 +89,7 @@ endif
ifneq (,$(filter net_if,$(USEMODULE)))
USEMODULE += transceiver
USEMODULE += net_help
USEMODULE += hashes
endif
ifneq (,$(filter ccn_lite,$(USEMODULE)))

44
sys/auto_init/auto_init.c

@ -64,11 +64,20 @@
#endif
#ifdef MODULE_NET_IF
#include "cpu-conf.h"
#include "cpu.h"
#include "kernel.h"
#include "net_if.h"
#include "transceiver.h"
#include "net_help.h"
#include "hashes.h"
#include "periph/cpuid.h"
#endif
#define ENABLE_DEBUG (0)
#if ENABLE_DEBUG
#define DEBUG_ENABLED
#endif
#include "debug.h"
#ifndef CONF_RADIO_ADDR
@ -141,16 +150,47 @@ void auto_init(void)
net_if_init();
if (transceivers != 0) {
#if CPUID_ID_LEN && defined(MODULE_HASHES)
uint8_t cpuid[CPUID_ID_LEN];
cpuid_get(cpuid);
#endif
transceiver_init(transceivers);
transceiver_start();
iface = net_if_init_interface(0, transceivers);
#if CPUID_ID_LEN && defined(MODULE_HASHES)
net_if_eui64_t eui64;
if (CPUID_ID_LEN < sizeof(net_if_eui64_t)) {
memset(&eui64, 0xff, sizeof(net_if_eui64_t));
}
memcpy(&eui64, djb2_hash(cpuid, CPUID_ID_LEN), sizeof(uint32_t));
net_if_set_eui64(iface, &eui64);
#ifdef DEBUG_ENABLED
DEBUG("Auto init radio long address on interface %d to ", iface);
for (size_t i = 0; i < 8; i++) {
printf("%02x ", eui64.uint8[i]);
}
DEBUG("\n");
#endif
#undef CONF_RADIO_ADDR
uint16_t hwaddr = HTONS(*((uint16_t *)(&cpuid)));
net_if_set_hardware_address(iface, hwaddr);
DEBUG("Auto init radio address on interface %d to 0x%04x\n", iface, hwaddr);
#else
if (net_if_set_src_address_mode(iface, NET_IF_TRANS_ADDR_M_SHORT)) {
DEBUG("Auto init source address mode to short on interface %d\n",
iface);
}
else {
net_if_set_hardware_address(iface, NET_IF_TRANS_ADDR_M_LONG);
net_if_set_src_address_mode(iface, NET_IF_TRANS_ADDR_M_LONG);
DEBUG("Auto init source address mode to long on interface %d\n",
iface);
}
@ -161,6 +201,8 @@ void auto_init(void)
net_if_set_hardware_address(iface, CONF_RADIO_ADDR);
}
#endif
if (net_if_get_pan_id(iface) <= 0) {
DEBUG("Auto init PAN ID on interface %d to 0x%04x\n", iface, CONF_PAN_ID);
DEBUG("Change this value at compile time with macro CONF_PAN_ID\n");

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