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atusb-eui64: add utility to read/write and EUI64 from/to the device EEPROM
Together with the new fw version (starting with version 0.3) it is now possible to set a permament EUI64 address into the devices EEPROM. The Linux driver will get updated to choose this address, if available, instead of using a randomly generated address.
This commit is contained in:
Stefan Schmidt
parent
15b15b9524
commit
55de8c6373
@ -12,7 +12,8 @@
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BEN_DIRS=atrf-gpio atrf-id atrf-path atrf-proxy atrf-reset \
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atrf-rssi atrf-trim atrf-txrx atrf-xmit atrf-xtal
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atrf-rssi atrf-trim atrf-txrx atrf-xmit atrf-xtal \
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atusb-eui64
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ifneq ($(wildcard ../install/lowpan-tools-0.2.2/include/ieee802154.h),)
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DIRTPAN := dirtpan
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16
tools/atusb-eui64/Makefile
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16
tools/atusb-eui64/Makefile
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@ -0,0 +1,16 @@
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#
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# atusb-eui64/Makefile - Build the ATUSB EUI64 EEPROM writing and readin utility
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#
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# Written 2015 by Stefan Schmidt
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# Copyright 2015 Stefan Schmidt
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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MAIN = atusb-eui64
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include ../Makefile.common
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238
tools/atusb-eui64/atusb-eui64.c
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238
tools/atusb-eui64/atusb-eui64.c
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@ -0,0 +1,238 @@
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#ifdef HAVE_USB
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/*
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* atusb-eui64/atusb-eui64.c - Read and write EUI64 address from/to EEPROM
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*
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* Written 2015, 2016 by Stefan Schmidt
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* Copyright 2015, 2016 Stefan Schmidt
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*
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* Based on atrf-id with following copyright:
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* Written 2010-2011, 2013 by Werner Almesberger
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* Copyright 2010-2011, 2013 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <usb.h>
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#include "atusb/ep0.h"
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#include "atrf.h"
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#define FROM_DEV ATUSB_FROM_DEV(0)
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#define TO_DEV ATUSB_TO_DEV(0)
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#define EUI64_LEN 8
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#define BUF_SIZE 256
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static int get_eui64(usb_dev_handle *dev, void *data, int size)
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{
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int res;
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res = usb_control_msg(dev, FROM_DEV, ATUSB_EUI64_READ, 0, 0, data,
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size, 1000);
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if (res < 0)
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fprintf(stderr, "ATUSB_EUI64_READ: %s\n", usb_strerror());
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return res;
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}
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static int set_eui64(usb_dev_handle *dev, void *data, int size)
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{
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int res;
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res = usb_control_msg(dev, TO_DEV, ATUSB_EUI64_WRITE, 0, 0, data, size,
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1000);
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if (res < 0)
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fprintf(stderr, "ATUSB_EUI64_WRITE: %s\n", usb_strerror());
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return res;
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}
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static int get_id(usb_dev_handle *dev, void *data, int size)
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{
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int res;
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res = usb_control_msg(dev, FROM_DEV, ATUSB_ID, 0, 0, data, size, 1000);
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if (res < 0)
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fprintf(stderr, "ATUSB_ID: %s\n", usb_strerror());
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return res;
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}
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static int get_protocol(usb_dev_handle *dev, uint8_t *major, uint8_t *minor,
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uint8_t *target)
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{
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uint8_t ids[3];
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if (get_id(dev, ids, 3) < 0)
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return -1;
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if (major)
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*major = ids[0];
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if (minor)
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*minor = ids[1];
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if (target)
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*target = ids[2];
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return 0;
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}
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static int get_build(usb_dev_handle *dev, char *buf, size_t size)
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{
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int res;
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res = usb_control_msg(dev, FROM_DEV, ATUSB_BUILD, 0, 0, buf, size,
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1000);
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if (res < 0)
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fprintf(stderr, "ATUSB_BUILD: %s\n", usb_strerror());
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return res;
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}
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static void show_usb_info(struct atrf_dsc *dsc, unsigned char *mac, int write)
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{
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usb_dev_handle *dev;
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const struct usb_device *device;
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uint8_t major, minor, target;
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const char *mcu;
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char buf[BUF_SIZE+1]; /* +1 for terminating \0 */
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char serial[BUF_SIZE];
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int len, i;
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uint8_t eui64[EUI64_LEN];
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dev = atrf_usb_handle(dsc);
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if (!dev)
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return;
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device = usb_device(dev);
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printf("Found ATUSB device (%04x:%04x) ",
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device->descriptor.idVendor, device->descriptor.idProduct);
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if (device->descriptor.iSerialNumber > 0)
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usb_get_string_simple(dev, device->descriptor.iSerialNumber,
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serial, BUF_SIZE);
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printf("with serial number %s\n", serial);
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if (get_protocol(dev, &major, &minor, &target) < 0)
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exit(1);
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switch (target) {
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case HW_TYPE_100813:
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case HW_TYPE_101216:
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mcu = "C8051F326";
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break;
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case HW_TYPE_110131:
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mcu = "ATmega32U2";
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break;
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default:
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mcu = "???";
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}
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printf("Firmware version %u.%u on hw %u (%s) ", major, minor, target,
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mcu);
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len = get_build(dev, buf, sizeof(buf)-1);
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if (len < 0)
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exit(1);
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buf[len] = 0;
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printf("build: %s\n", buf);
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if (target != HW_TYPE_110131) {
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printf("Firmware not able to set EUI64 on %s\n", mcu);
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exit(1);
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}
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if (major == 0 && minor < 3) {
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printf("Firmware to old. You need at least version 0.3\n");
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exit(1);
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}
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/* No new EUI64 is given, just read out */
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if (!write) {
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get_eui64(dev, eui64, EUI64_LEN);
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printf("Current EUI64 address from EEPROM: ");
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for (i = 0; i < EUI64_LEN; i++) {
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printf("%02x", eui64[EUI64_LEN - 1 - i]);
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if (i < EUI64_LEN -1)
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printf(":");
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}
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printf("\n");
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}
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/* We got a new EUI64 as argument, write it */
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if (write) {
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printf("Writing EUI64 address ");
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for (i = 0; i < EUI64_LEN; i++) {
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printf("%02x", mac[EUI64_LEN - 1 - i]);
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if (i < EUI64_LEN -1)
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printf(":");
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}
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printf(" to EEPROM\n");
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set_eui64(dev, mac, EUI64_LEN);
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}
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}
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/* Taken from wpan-tools/src/interface.c which is BSD licensed and written
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* by Alexander Aring
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*/
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static int extendedaddr_a2n(unsigned char *mac_addr, char *arg)
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{
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int i;
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for (i = 0; i < EUI64_LEN ; i++) {
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int temp;
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char *cp = strchr(arg, ':');
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if (cp) {
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*cp = 0;
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cp++;
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}
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if (sscanf(arg, "%x", &temp) != 1)
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return -1;
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if (temp < 0 || temp > 255)
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return -1;
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mac_addr[EUI64_LEN - 1 - i] = temp;
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if (!cp)
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break;
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arg = cp;
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}
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if (i < EUI64_LEN - 1)
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return -3;
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return 0;
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}
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static void usage(const char *name)
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{
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fprintf(stderr, "usage: %s [-a 00:11:22:33:44:55:66:77]\n", name);
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exit(1);
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}
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int main(int argc, char *const *argv)
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{
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uint8_t mac[EUI64_LEN];
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struct atrf_dsc *dsc;
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int c;
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int write = 0;
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while ((c = getopt(argc, argv, "a:")) != EOF)
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switch (c) {
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case 'a':
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extendedaddr_a2n(mac, optarg);
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write = 1;
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break;
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default:
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usage(*argv);
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}
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dsc = atrf_open(NULL);
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if (!dsc)
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return 1;
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show_usb_info(dsc, mac, write);
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atrf_close(dsc);
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return 0;
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}
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#endif /* HAVE_USB */
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