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atusb/fw: add EUI64 read and write fw interface to permanently set an EUI64

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The kernel driver will now ask for ATUSB_EUI64_READ during init and sets this
extended address if available. Use the atusb-eui64 utility from the tools folder
to read or set the permanent address.

After a new address is set the device will reset to make sure we are in a sane
state after the change.
This commit is contained in:
Stefan Schmidt 2015-06-07 00:28:03 +02:00
parent 55de8c6373
commit 583a7b72ee
2 changed files with 29 additions and 0 deletions
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25
atusb/fw/ep0.c
View File

@ -3,6 +3,7 @@
* *
* Written 2008-2011, 2013 by Werner Almesberger * Written 2008-2011, 2013 by Werner Almesberger
* Copyright 2008-2011, 2013 Werner Almesberger * Copyright 2008-2011, 2013 Werner Almesberger
* Copyright 2015-2016 Stefan Schmidt
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by * it under the terms of the GNU General Public License as published by
@ -16,6 +17,10 @@
#include <string.h> #include <string.h>
#include <avr/io.h> #include <avr/io.h>
#include <avr/eeprom.h>
#define F_CPU 8000000UL
#include <util/delay.h>
#ifndef NULL #ifndef NULL
#define NULL 0 #define NULL 0
@ -44,6 +49,14 @@ static uint8_t buf[MAX_PSDU+3]; /* command, PHDR, and LQI */
static uint8_t size; static uint8_t size;
static void do_eeprom_write(void *user)
{
int i;
for (i = 0; i < size; i++)
eeprom_update_byte((uint8_t*)i, buf[i]);
}
static void do_buf_write(void *user) static void do_buf_write(void *user)
{ {
uint8_t i; uint8_t i;
@ -246,6 +259,18 @@ static bool my_setup(const struct setup_request *setup)
return mac_rx(setup->wValue); return mac_rx(setup->wValue);
case ATUSB_TO_DEV(ATUSB_TX): case ATUSB_TO_DEV(ATUSB_TX):
return mac_tx(setup->wValue, setup->wIndex, setup->wLength); return mac_tx(setup->wValue, setup->wIndex, setup->wLength);
case ATUSB_TO_DEV(ATUSB_EUI64_WRITE):
debug("ATUSB_EUI64_WRITE\n");
usb_recv(&eps[0], buf, setup->wLength, do_eeprom_write, NULL);
_delay_ms(100);
reset_cpu();
return 1;
case ATUSB_FROM_DEV(ATUSB_EUI64_READ):
debug("ATUSB_EUI64_READ\n");
eeprom_read_block(buf, (const void*)0, 8);
usb_send(&eps[0], buf, 8, NULL, NULL);
return 1;
default: default:
error("Unrecognized SETUP: 0x%02x 0x%02x ...\n", error("Unrecognized SETUP: 0x%02x 0x%02x ...\n",

4
atusb/fw/include/atusb/atusb.h
View File

@ -46,6 +46,8 @@ enum atusb_requests {
ATUSB_SPI_WRITE2_SYNC, ATUSB_SPI_WRITE2_SYNC,
ATUSB_RX_MODE = 0x40, /* HardMAC group */ ATUSB_RX_MODE = 0x40, /* HardMAC group */
ATUSB_TX, ATUSB_TX,
ATUSB_EUI64_WRITE = 0x50, /* Parameter in EEPROM grp */
ATUSB_EUI64_READ,
}; };
/* /*
@ -77,6 +79,8 @@ enum atusb_requests {
* *
* host-> ATUSB_RX_MODE on - 0 * host-> ATUSB_RX_MODE on - 0
* host-> ATUSB_TX flags ack_seq #bytes * host-> ATUSB_TX flags ack_seq #bytes
* host-> ATUSB_EUI64_WRITE - - #bytes (8)
* ->host ATUSB_EUI64_READ - - #bytes (8)
*/ */
#define ATUSB_REQ_FROM_DEV (USB_TYPE_VENDOR | USB_DIR_IN) #define ATUSB_REQ_FROM_DEV (USB_TYPE_VENDOR | USB_DIR_IN)